1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002012022032042052062072082092102112122132142152162172182192202212222232242252262272282292302312322332342352362372382392402412422432442452462472482492502512522532542552562572582592602612622632642652662672682692702712722732742752762772782792802812822832842852862872882892902912922932942952962972982993003013023033043053063073083093103113123133143153163173183193203213223233243253263273283293303313323333343353363373383393403413423433443453463473483493503513523533543553563573583593603613623633643653663673683693703713723733743753763773783793803813823833843853863873883893903913923933943953963973983994004014024034044054064074084094104114124134144154164174184194204214224234244254264274284294304314324334344354364374384394404414424434444454464474484494504514524534544554564574584594604614624634644654664674684694704714724734744754764774784794804814824834844854864874884894904914924934944954964974984995005015025035045055065075085095105115125135145155165175185195205215225235245255265275285295305315325335345355365375385395405415425435445455465475485495505515525535545555565575585595605615625635645655665675685695705715725735745755765775785795805815825835845855865875885895905915925935945955965975985996006016026036046056066076086096106116126136146156166176186196206216226236246256266276286296306316326336346356366376386396406416426436446456466476486496506516526536546556566576586596606616626636646656666676686696706716726736746756766776786796806816826836846856866876886896906916926936946956966976986997007017027037047057067077087097107117127137147157167177187197207217227237247257267277287297307317327337347357367377387397407417427437447457467477487497507517527537547557567577587597607617627637647657667677687697707717727737747757767777787797807817827837847857867877887897907917927937947957967977987998008018028038048058068078088098108118128138148158168178188198208218228238248258268278288298308318328338348358368378388398408418428438448458468478488498508518528538548558568578588598608618628638648658668678688698708718728738748758768778788798808818828838848858868878888898908918928938948958968978988999009019029039049059069079089099109119129139149159169179189199209219229239249259269279289299309319329339349359369379389399409419429439449459469479489499509519529539549559569579589599609619629639649659669679689699709719729739749759769779789799809819829839849859869879889899909919929939949959969979989991000100110021003100410051006100710081009101010111012101310141015101610171018101910201021102210231024102510261027102810291030103110321033103410351036103710381039104010411042104310441045104610471048104910501051105210531054105510561057105810591060106110621063106410651066106710681069107010711072107310741075107610771078107910801081108210831084108510861087108810891090109110921093109410951096109710981099110011011102110311041105110611071108110911101111111211131114111511161117111811191120112111221123112411251126112711281129113011311132113311341135113611371138113911401141114211431144114511461147114811491150115111521153115411551156115711581159116011611162116311641165116611671168116911701171117211731174117511761177117811791180118111821183118411851186118711881189119011911192119311941195119611971198119912001201120212031204120512061207120812091210121112121213121412151216121712181219122012211222122312241225122612271228122912301231123212331234123512361237123812391240124112421243124412451246124712481249125012511252125312541255125612571258125912601261126212631264126512661267126812691270127112721273127412751276127712781279128012811282128312841285128612871288128912901291129212931294129512961297129812991300130113021303130413051306130713081309131013111312131313141315131613171318131913201321132213231324132513261327132813291330133113321333133413351336133713381339134013411342134313441345134613471348134913501351135213531354135513561357135813591360136113621363136413651366136713681369137013711372137313741375137613771378137913801381138213831384138513861387138813891390139113921393139413951396139713981399140014011402140314041405140614071408140914101411141214131414141514161417141814191420142114221423142414251426142714281429143014311432143314341435143614371438143914401441144214431444144514461447144814491450145114521453145414551456145714581459146014611462146314641465146614671468146914701471147214731474147514761477147814791480148114821483148414851486148714881489149014911492149314941495149614971498149915001501150215031504150515061507150815091510151115121513151415151516151715181519152015211522152315241525152615271528152915301531153215331534153515361537153815391540154115421543154415451546154715481549155015511552155315541555155615571558155915601561156215631564156515661567156815691570157115721573157415751576157715781579158015811582158315841585158615871588158915901591159215931594159515961597159815991600160116021603160416051606160716081609161016111612161316141615161616171618161916201621162216231624162516261627162816291630163116321633163416351636163716381639164016411642164316441645164616471648164916501651165216531654165516561657165816591660166116621663166416651666166716681669167016711672167316741675167616771678167916801681168216831684168516861687168816891690169116921693169416951696169716981699170017011702170317041705170617071708170917101711171217131714171517161717171817191720172117221723172417251726172717281729173017311732173317341735173617371738173917401741174217431744174517461747174817491750175117521753175417551756175717581759176017611762176317641765176617671768176917701771177217731774177517761777177817791780178117821783178417851786178717881789179017911792179317941795179617971798179918001801180218031804180518061807180818091810181118121813181418151816181718181819182018211822182318241825182618271828182918301831183218331834183518361837183818391840184118421843184418451846184718481849185018511852185318541855185618571858185918601861186218631864186518661867186818691870187118721873187418751876187718781879188018811882188318841885188618871888188918901891189218931894189518961897189818991900190119021903190419051906190719081909191019111912191319141915191619171918191919201921192219231924192519261927192819291930193119321933193419351936193719381939194019411942194319441945194619471948194919501951195219531954195519561957195819591960196119621963196419651966196719681969197019711972197319741975197619771978197919801981198219831984198519861987198819891990199119921993199419951996199719981999200020012002200320042005200620072008200920102011201220132014201520162017201820192020202120222023202420252026202720282029203020312032203320342035203620372038203920402041204220432044204520462047204820492050205120522053205420552056205720582059206020612062206320642065206620672068206920702071207220732074207520762077207820792080208120822083208420852086208720882089209020912092209320942095209620972098209921002101210221032104210521062107210821092110211121122113211421152116211721182119212021212122212321242125212621272128212921302131213221332134213521362137213821392140214121422143214421452146214721482149215021512152215321542155215621572158215921602161216221632164216521662167216821692170217121722173217421752176217721782179218021812182218321842185218621872188218921902191219221932194219521962197219821992200220122022203220422052206220722082209221022112212221322142215221622172218221922202221222222232224222522262227222822292230223122322233223422352236223722382239224022412242224322442245224622472248224922502251225222532254225522562257225822592260226122622263226422652266226722682269227022712272227322742275227622772278227922802281228222832284228522862287228822892290229122922293229422952296229722982299230023012302230323042305230623072308230923102311231223132314231523162317231823192320232123222323232423252326232723282329233023312332233323342335233623372338233923402341234223432344234523462347234823492350235123522353235423552356235723582359236023612362236323642365236623672368236923702371237223732374237523762377237823792380238123822383238423852386238723882389239023912392239323942395239623972398239924002401240224032404240524062407240824092410241124122413241424152416241724182419242024212422242324242425242624272428242924302431243224332434243524362437243824392440244124422443244424452446244724482449245024512452245324542455245624572458245924602461246224632464246524662467246824692470247124722473247424752476247724782479248024812482248324842485248624872488248924902491249224932494249524962497249824992500250125022503250425052506250725082509251025112512251325142515251625172518251925202521252225232524252525262527252825292530253125322533253425352536253725382539254025412542254325442545254625472548254925502551255225532554255525562557255825592560256125622563256425652566256725682569257025712572257325742575257625772578257925802581258225832584258525862587258825892590259125922593259425952596259725982599260026012602260326042605260626072608260926102611261226132614261526162617261826192620262126222623262426252626262726282629263026312632263326342635263626372638263926402641264226432644264526462647264826492650265126522653265426552656265726582659266026612662266326642665266626672668266926702671267226732674267526762677267826792680268126822683268426852686268726882689269026912692269326942695269626972698269927002701270227032704270527062707270827092710271127122713271427152716271727182719272027212722272327242725272627272728272927302731273227332734273527362737273827392740274127422743274427452746274727482749275027512752275327542755275627572758275927602761276227632764276527662767276827692770277127722773277427752776277727782779278027812782278327842785278627872788278927902791279227932794279527962797279827992800280128022803280428052806280728082809281028112812281328142815281628172818281928202821282228232824282528262827282828292830283128322833283428352836283728382839284028412842284328442845284628472848284928502851285228532854285528562857285828592860286128622863286428652866286728682869287028712872287328742875287628772878287928802881288228832884288528862887288828892890289128922893289428952896289728982899290029012902290329042905290629072908290929102911291229132914291529162917291829192920292129222923292429252926292729282929293029312932293329342935293629372938293929402941294229432944294529462947294829492950295129522953295429552956295729582959296029612962296329642965296629672968296929702971297229732974297529762977297829792980298129822983298429852986298729882989299029912992299329942995299629972998299930003001300230033004300530063007300830093010301130123013301430153016301730183019302030213022302330243025302630273028302930303031303230333034303530363037303830393040304130423043304430453046304730483049305030513052305330543055305630573058305930603061306230633064306530663067306830693070307130723073307430753076307730783079308030813082308330843085308630873088308930903091309230933094309530963097309830993100310131023103310431053106310731083109311031113112311331143115311631173118311931203121312231233124312531263127312831293130313131323133313431353136313731383139314031413142314331443145314631473148314931503151315231533154315531563157315831593160316131623163316431653166316731683169317031713172317331743175317631773178317931803181318231833184318531863187318831893190319131923193319431953196319731983199320032013202320332043205320632073208320932103211321232133214321532163217321832193220322132223223322432253226322732283229323032313232323332343235323632373238323932403241324232433244324532463247324832493250325132523253325432553256325732583259326032613262326332643265326632673268326932703271327232733274327532763277327832793280328132823283328432853286328732883289329032913292329332943295329632973298329933003301330233033304330533063307330833093310331133123313331433153316331733183319332033213322332333243325332633273328332933303331333233333334333533363337333833393340334133423343334433453346334733483349335033513352335333543355335633573358335933603361336233633364336533663367336833693370337133723373337433753376337733783379338033813382338333843385338633873388338933903391339233933394339533963397339833993400340134023403340434053406340734083409341034113412341334143415341634173418341934203421342234233424342534263427342834293430343134323433343434353436343734383439344034413442344334443445344634473448344934503451345234533454345534563457345834593460346134623463346434653466346734683469347034713472347334743475347634773478347934803481348234833484348534863487348834893490349134923493349434953496349734983499350035013502350335043505350635073508350935103511351235133514351535163517351835193520352135223523352435253526352735283529353035313532353335343535353635373538353935403541354235433544354535463547354835493550355135523553355435553556355735583559356035613562356335643565356635673568356935703571357235733574357535763577357835793580358135823583358435853586358735883589359035913592359335943595359635973598359936003601360236033604360536063607360836093610361136123613361436153616361736183619362036213622362336243625362636273628362936303631363236333634363536363637363836393640364136423643364436453646364736483649365036513652365336543655365636573658365936603661366236633664366536663667366836693670367136723673367436753676367736783679368036813682368336843685368636873688368936903691369236933694369536963697369836993700370137023703370437053706370737083709371037113712371337143715371637173718371937203721372237233724372537263727372837293730373137323733373437353736373737383739374037413742374337443745374637473748374937503751375237533754375537563757375837593760376137623763376437653766376737683769377037713772377337743775377637773778377937803781378237833784378537863787378837893790379137923793379437953796379737983799380038013802380338043805380638073808380938103811381238133814381538163817381838193820382138223823382438253826382738283829383038313832383338343835383638373838383938403841384238433844384538463847384838493850385138523853385438553856385738583859386038613862386338643865386638673868386938703871387238733874387538763877387838793880388138823883388438853886388738883889389038913892389338943895389638973898389939003901390239033904390539063907390839093910391139123913391439153916391739183919392039213922392339243925392639273928392939303931393239333934393539363937393839393940394139423943394439453946394739483949395039513952395339543955395639573958395939603961396239633964396539663967396839693970397139723973397439753976397739783979398039813982398339843985398639873988398939903991399239933994399539963997399839994000400140024003400440054006400740084009401040114012401340144015401640174018401940204021402240234024402540264027402840294030403140324033403440354036403740384039404040414042404340444045404640474048404940504051405240534054405540564057405840594060406140624063406440654066406740684069407040714072407340744075407640774078407940804081408240834084408540864087408840894090409140924093409440954096409740984099410041014102410341044105410641074108410941104111411241134114411541164117411841194120412141224123412441254126412741284129413041314132413341344135413641374138413941404141414241434144414541464147414841494150415141524153415441554156415741584159416041614162416341644165416641674168416941704171417241734174417541764177417841794180418141824183418441854186418741884189419041914192419341944195419641974198419942004201420242034204420542064207420842094210421142124213421442154216421742184219422042214222422342244225422642274228422942304231423242334234423542364237423842394240424142424243424442454246424742484249425042514252425342544255425642574258425942604261426242634264426542664267426842694270427142724273427442754276427742784279428042814282428342844285428642874288428942904291429242934294429542964297429842994300430143024303430443054306430743084309431043114312431343144315431643174318431943204321432243234324432543264327432843294330433143324333433443354336433743384339434043414342434343444345434643474348434943504351435243534354435543564357435843594360436143624363436443654366436743684369437043714372437343744375437643774378437943804381438243834384438543864387438843894390439143924393439443954396439743984399440044014402440344044405440644074408440944104411441244134414441544164417441844194420442144224423442444254426442744284429443044314432443344344435443644374438443944404441444244434444444544464447444844494450445144524453445444554456445744584459446044614462446344644465446644674468446944704471447244734474447544764477447844794480448144824483448444854486448744884489449044914492449344944495449644974498449945004501450245034504450545064507450845094510451145124513451445154516451745184519452045214522452345244525452645274528452945304531453245334534453545364537453845394540454145424543454445454546454745484549455045514552455345544555455645574558455945604561456245634564456545664567456845694570457145724573457445754576457745784579458045814582458345844585458645874588458945904591459245934594459545964597459845994600460146024603460446054606460746084609461046114612461346144615461646174618461946204621462246234624462546264627462846294630463146324633463446354636463746384639464046414642464346444645464646474648464946504651465246534654465546564657465846594660466146624663466446654666466746684669467046714672467346744675467646774678467946804681468246834684468546864687468846894690469146924693469446954696469746984699470047014702470347044705470647074708470947104711471247134714471547164717471847194720472147224723472447254726472747284729473047314732473347344735473647374738473947404741474247434744474547464747474847494750475147524753475447554756475747584759476047614762476347644765476647674768476947704771477247734774477547764777477847794780478147824783478447854786478747884789479047914792479347944795479647974798479948004801480248034804480548064807480848094810481148124813481448154816481748184819482048214822482348244825482648274828482948304831483248334834483548364837483848394840484148424843484448454846484748484849485048514852485348544855485648574858485948604861486248634864486548664867486848694870487148724873487448754876487748784879488048814882488348844885488648874888488948904891489248934894489548964897489848994900490149024903490449054906490749084909491049114912491349144915491649174918491949204921492249234924492549264927492849294930493149324933493449354936493749384939494049414942494349444945494649474948494949504951495249534954495549564957495849594960496149624963496449654966496749684969497049714972497349744975497649774978497949804981498249834984498549864987498849894990499149924993499449954996499749984999500050015002500350045005500650075008500950105011501250135014501550165017501850195020502150225023502450255026502750285029503050315032503350345035503650375038503950405041504250435044504550465047504850495050505150525053505450555056505750585059506050615062506350645065506650675068506950705071507250735074507550765077507850795080508150825083508450855086508750885089509050915092509350945095509650975098509951005101510251035104510551065107510851095110511151125113511451155116511751185119512051215122512351245125512651275128512951305131513251335134513551365137513851395140514151425143514451455146514751485149515051515152515351545155515651575158515951605161516251635164516551665167516851695170517151725173517451755176517751785179518051815182518351845185518651875188518951905191519251935194519551965197519851995200520152025203520452055206520752085209521052115212521352145215521652175218521952205221522252235224522552265227522852295230523152325233523452355236523752385239524052415242524352445245524652475248524952505251525252535254525552565257525852595260526152625263526452655266526752685269527052715272527352745275527652775278527952805281528252835284528552865287528852895290529152925293529452955296529752985299530053015302530353045305530653075308530953105311531253135314531553165317531853195320532153225323532453255326532753285329533053315332533353345335533653375338533953405341534253435344534553465347534853495350535153525353535453555356535753585359536053615362536353645365536653675368536953705371537253735374537553765377537853795380538153825383538453855386538753885389539053915392539353945395539653975398539954005401540254035404540554065407540854095410541154125413541454155416541754185419542054215422542354245425542654275428542954305431543254335434543554365437543854395440544154425443544454455446544754485449545054515452545354545455545654575458545954605461546254635464546554665467546854695470547154725473547454755476547754785479548054815482548354845485548654875488548954905491549254935494549554965497549854995500550155025503550455055506550755085509551055115512551355145515551655175518551955205521552255235524552555265527552855295530553155325533553455355536553755385539554055415542554355445545554655475548554955505551555255535554555555565557555855595560556155625563556455655566556755685569557055715572557355745575557655775578557955805581558255835584558555865587558855895590559155925593559455955596559755985599560056015602560356045605560656075608560956105611561256135614561556165617561856195620562156225623562456255626562756285629563056315632563356345635563656375638563956405641564256435644564556465647564856495650565156525653565456555656565756585659566056615662566356645665566656675668566956705671567256735674567556765677567856795680568156825683568456855686568756885689569056915692569356945695569656975698569957005701570257035704570557065707570857095710571157125713571457155716571757185719572057215722572357245725572657275728572957305731573257335734573557365737573857395740574157425743574457455746574757485749575057515752575357545755575657575758575957605761576257635764576557665767576857695770577157725773577457755776577757785779578057815782578357845785578657875788578957905791579257935794579557965797579857995800580158025803580458055806580758085809581058115812581358145815581658175818581958205821582258235824582558265827582858295830583158325833583458355836583758385839584058415842584358445845584658475848584958505851585258535854585558565857585858595860586158625863586458655866586758685869587058715872587358745875587658775878587958805881588258835884588558865887588858895890589158925893589458955896589758985899590059015902590359045905590659075908590959105911591259135914591559165917591859195920592159225923592459255926592759285929593059315932593359345935593659375938593959405941594259435944594559465947594859495950595159525953595459555956595759585959596059615962596359645965596659675968596959705971597259735974597559765977597859795980598159825983598459855986598759885989599059915992599359945995599659975998599960006001600260036004600560066007600860096010601160126013601460156016601760186019602060216022602360246025602660276028602960306031603260336034603560366037603860396040604160426043604460456046604760486049605060516052605360546055605660576058605960606061606260636064606560666067606860696070607160726073607460756076607760786079608060816082608360846085608660876088608960906091609260936094609560966097609860996100610161026103610461056106610761086109611061116112611361146115611661176118611961206121612261236124612561266127612861296130613161326133613461356136613761386139614061416142614361446145614661476148614961506151615261536154615561566157615861596160616161626163616461656166616761686169617061716172617361746175617661776178617961806181618261836184618561866187618861896190619161926193619461956196619761986199620062016202620362046205620662076208620962106211621262136214621562166217621862196220622162226223622462256226622762286229623062316232623362346235623662376238623962406241624262436244624562466247624862496250625162526253625462556256625762586259626062616262626362646265626662676268626962706271627262736274627562766277627862796280628162826283628462856286628762886289629062916292629362946295629662976298629963006301630263036304630563066307630863096310631163126313631463156316631763186319632063216322632363246325632663276328632963306331633263336334633563366337633863396340634163426343634463456346634763486349635063516352635363546355635663576358635963606361636263636364636563666367636863696370637163726373637463756376637763786379638063816382638363846385638663876388638963906391639263936394639563966397639863996400640164026403640464056406640764086409641064116412641364146415641664176418641964206421642264236424642564266427642864296430643164326433643464356436643764386439644064416442644364446445644664476448644964506451645264536454645564566457645864596460646164626463646464656466646764686469647064716472647364746475647664776478647964806481648264836484648564866487648864896490649164926493649464956496649764986499650065016502650365046505650665076508650965106511651265136514651565166517651865196520652165226523652465256526652765286529653065316532653365346535653665376538653965406541654265436544654565466547654865496550655165526553655465556556655765586559656065616562656365646565656665676568656965706571657265736574657565766577657865796580658165826583658465856586658765886589659065916592659365946595659665976598659966006601660266036604660566066607660866096610661166126613661466156616661766186619662066216622662366246625662666276628662966306631663266336634663566366637663866396640664166426643664466456646664766486649665066516652665366546655665666576658665966606661666266636664666566666667666866696670667166726673667466756676667766786679668066816682668366846685668666876688668966906691669266936694669566966697669866996700670167026703670467056706670767086709671067116712671367146715671667176718671967206721672267236724672567266727672867296730673167326733673467356736673767386739674067416742674367446745674667476748674967506751675267536754675567566757675867596760676167626763676467656766676767686769677067716772677367746775677667776778677967806781678267836784678567866787678867896790679167926793679467956796679767986799680068016802680368046805680668076808680968106811681268136814681568166817681868196820682168226823682468256826682768286829683068316832683368346835683668376838683968406841684268436844684568466847684868496850685168526853685468556856685768586859686068616862686368646865686668676868686968706871687268736874687568766877687868796880688168826883688468856886688768886889689068916892689368946895689668976898689969006901690269036904690569066907690869096910691169126913691469156916691769186919692069216922692369246925692669276928692969306931693269336934693569366937693869396940694169426943694469456946694769486949695069516952695369546955695669576958695969606961696269636964696569666967696869696970697169726973697469756976697769786979698069816982698369846985698669876988698969906991699269936994699569966997699869997000700170027003700470057006700770087009701070117012701370147015701670177018701970207021702270237024702570267027702870297030703170327033703470357036703770387039704070417042704370447045704670477048704970507051705270537054705570567057705870597060706170627063706470657066706770687069707070717072707370747075707670777078707970807081708270837084708570867087708870897090709170927093709470957096709770987099710071017102710371047105710671077108710971107111711271137114711571167117711871197120712171227123712471257126712771287129713071317132713371347135713671377138713971407141714271437144714571467147714871497150715171527153715471557156715771587159716071617162716371647165716671677168716971707171717271737174717571767177717871797180718171827183718471857186718771887189719071917192719371947195719671977198719972007201720272037204720572067207720872097210721172127213721472157216721772187219722072217222722372247225722672277228722972307231723272337234723572367237723872397240724172427243724472457246724772487249725072517252725372547255725672577258725972607261726272637264726572667267726872697270727172727273727472757276727772787279728072817282728372847285728672877288728972907291729272937294729572967297729872997300730173027303730473057306730773087309731073117312731373147315731673177318731973207321732273237324732573267327732873297330733173327333733473357336733773387339734073417342734373447345734673477348734973507351735273537354735573567357735873597360736173627363736473657366736773687369737073717372737373747375737673777378737973807381738273837384738573867387738873897390739173927393739473957396739773987399740074017402740374047405740674077408740974107411741274137414741574167417741874197420742174227423742474257426742774287429743074317432743374347435743674377438743974407441744274437444744574467447744874497450745174527453745474557456745774587459746074617462746374647465746674677468746974707471747274737474747574767477747874797480748174827483748474857486748774887489749074917492749374947495749674977498749975007501750275037504750575067507750875097510751175127513751475157516751775187519752075217522752375247525752675277528752975307531753275337534753575367537753875397540754175427543754475457546754775487549755075517552755375547555755675577558755975607561756275637564756575667567756875697570757175727573757475757576757775787579758075817582758375847585758675877588758975907591759275937594759575967597759875997600760176027603760476057606760776087609761076117612761376147615761676177618761976207621762276237624762576267627762876297630763176327633763476357636763776387639764076417642764376447645764676477648764976507651765276537654765576567657765876597660766176627663766476657666766776687669767076717672767376747675767676777678767976807681768276837684768576867687768876897690769176927693769476957696769776987699770077017702770377047705770677077708770977107711771277137714771577167717771877197720772177227723772477257726772777287729773077317732773377347735773677377738773977407741774277437744774577467747774877497750775177527753775477557756775777587759776077617762776377647765776677677768776977707771777277737774777577767777777877797780778177827783778477857786778777887789779077917792779377947795779677977798779978007801780278037804780578067807780878097810781178127813781478157816781778187819782078217822782378247825782678277828782978307831783278337834783578367837783878397840784178427843784478457846784778487849785078517852785378547855785678577858785978607861786278637864786578667867786878697870787178727873787478757876787778787879788078817882788378847885788678877888788978907891789278937894789578967897789878997900790179027903790479057906790779087909791079117912791379147915791679177918791979207921792279237924792579267927792879297930793179327933793479357936793779387939794079417942794379447945794679477948794979507951795279537954795579567957795879597960796179627963796479657966796779687969797079717972797379747975797679777978797979807981798279837984798579867987798879897990799179927993799479957996799779987999800080018002800380048005800680078008800980108011801280138014801580168017801880198020802180228023802480258026802780288029803080318032803380348035803680378038803980408041804280438044804580468047804880498050805180528053805480558056805780588059806080618062806380648065806680678068806980708071807280738074807580768077807880798080808180828083808480858086808780888089809080918092809380948095809680978098809981008101810281038104810581068107810881098110811181128113811481158116811781188119812081218122812381248125812681278128812981308131813281338134813581368137813881398140814181428143814481458146814781488149815081518152815381548155815681578158815981608161816281638164816581668167816881698170817181728173817481758176817781788179818081818182818381848185818681878188818981908191819281938194819581968197 |
- <?php //$id:$
- /**
- * This (abstract?) class defines the parent attributes and methods for the dokeos learnpaths and scorm
- * learnpaths. It is used by the scorm class as well as the dokeos_lp class.
- * @package dokeos.learnpath
- * @author Yannick Warnier <ywarnier@beeznest.org>
- * @license GNU/GPL - See Dokeos license directory for details
- */
- /**
- * Defines the learnpath parent class
- * @package dokeos.learnpath
- */
- class learnpath {
- var $attempt = 0; //the number for the current ID view
- var $cc; //course (code) this learnpath is located in
- var $current; //id of the current item the user is viewing
- var $current_score; //the score of the current item
- var $current_time_start; //the time the user loaded this resource (this does not mean he can see it yet)
- var $current_time_stop; //the time the user closed this resource
- var $default_status = 'not attempted';
- var $encoding = 'ISO-8859-1';
- var $error = '';
- var $extra_information = ''; //this string can be used by proprietary SCORM contents to store data about the current learnpath
- var $force_commit = false; //for SCORM only - if set to true, will send a scorm LMSCommit() request on each LMSSetValue()
- var $index; //the index of the active learnpath_item in $ordered_items array
- var $items = array();
- var $last; //item_id of last item viewed in the learning path
- var $last_item_seen = 0; //in case we have already come in this learnpath, reuse the last item seen if authorized
- var $license; //which license this course has been given - not used yet on 20060522
- var $lp_id; //DB ID for this learnpath
- var $lp_view_id; //DB ID for lp_view
- var $log_file; //file where to log learnpath API msg
- var $maker; //which maker has conceived the content (ENI, Articulate, ...)
- var $message = '';
- var $mode='embedded'; //holds the video display mode (fullscreen or embedded)
- var $name; //learnpath name (they generally have one)
- var $ordered_items = array(); //list of the learnpath items in the order they are to be read
- var $path = ''; //path inside the scorm directory (if scorm)
- var $theme; // the current theme of the learning path
-
- // Tells if all the items of the learnpath can be tried again. Defaults to "no" (=1)
- var $prevent_reinit = 1;
-
- // Describes the mode of progress bar display
- var $progress_bar_mode = '%';
-
- // Percentage progress as saved in the db
- var $progress_db = '0';
- var $proximity; //wether the content is distant or local or unknown
- var $refs_list = array(); //list of items by ref => db_id. Used only for prerequisites match.
- //!!!This array (refs_list) is built differently depending on the nature of the LP.
- //If SCORM, uses ref, if Dokeos, uses id to keep a unique value
- var $type; //type of learnpath. Could be 'dokeos', 'scorm', 'scorm2004', 'aicc', ...
- //TODO check if this type variable is useful here (instead of just in the controller script)
- var $user_id; //ID of the user that is viewing/using the course
- var $update_queue = array();
- var $scorm_debug = 0;
-
- var $arrMenu = array(); //array for the menu items
- var $debug = 0; //logging level
- /**
- * Class constructor. Needs a database handler, a course code and a learnpath id from the database.
- * Also builds the list of items into $this->items.
- * @param string Course code
- * @param integer Learnpath ID
- * @param integer User ID
- * @return boolean True on success, false on error
- */
- function learnpath($course, $lp_id, $user_id) {
- //check params
- //check course code
- if($this->debug>0){error_log('New LP - In learnpath::learnpath('.$course.','.$lp_id.','.$user_id.')',0);}
- if(empty($course)){
- $this->error = 'Course code is empty';
- return false;
- }
- else
- {
- $main_table = Database::get_main_table(TABLE_MAIN_COURSE);
- //$course = Database::escape_string($course);
- $course = $this->escape_string($course);
- $sql = "SELECT * FROM $main_table WHERE code = '$course'";
- if($this->debug>2){error_log('New LP - learnpath::learnpath() '.__LINE__.' - Querying course: '.$sql,0);}
- //$res = Database::query($sql);
- $res = api_sql_query($sql);
- if(Database::num_rows($res)>0)
- {
- $this->cc = $course;
- }
- else
- {
- $this->error = 'Course code does not exist in database ('.$sql.')';
- return false;
- }
- }
- //check learnpath ID
- if(empty($lp_id))
- {
- $this->error = 'Learnpath ID is empty';
- return false;
- }
- else
- {
- //TODO make it flexible to use any course_code (still using env course code here)
- $lp_table = Database::get_course_table('lp');
- //$id = Database::escape_integer($id);
- $lp_id = $this->escape_string($lp_id);
- $sql = "SELECT * FROM $lp_table WHERE id = '$lp_id'";
- if($this->debug>2){error_log('New LP - learnpath::learnpath() '.__LINE__.' - Querying lp: '.$sql,0);}
- //$res = Database::query($sql);
- $res = api_sql_query($sql);
- if(Database::num_rows($res)>0)
- {
- $this->lp_id = $lp_id;
- $row = Database::fetch_array($res);
- $this->type = $row['lp_type'];
- $this->name = stripslashes($row['name']);
- $this->encoding = $row['default_encoding'];
- $this->proximity = $row['content_local'];
- $this->theme = $row['theme'];
- $this->maker = $row['content_maker'];
- $this->prevent_reinit = $row['prevent_reinit'];
- $this->license = $row['content_license'];
- $this->scorm_debug = $row['debug'];
- $this->js_lib = $row['js_lib'];
- $this->path = $row['path'];
- if($this->type == 2){
- if($row['force_commit'] == 1){
- $this->force_commit = true;
- }
- }
- $this->mode = $row['default_view_mod'];
- }
- else
- {
- $this->error = 'Learnpath ID does not exist in database ('.$sql.')';
- return false;
- }
- }
- //check user ID
- if(empty($user_id)){
- $this->error = 'User ID is empty';
- return false;
- }
- else
- {
- //$main_table = Database::get_main_user_table();
- $main_table = Database::get_main_table(TABLE_MAIN_USER);
- //$user_id = Database::escape_integer($user_id);
- $user_id = $this->escape_string($user_id);
- $sql = "SELECT * FROM $main_table WHERE user_id = '$user_id'";
- if($this->debug>2){error_log('New LP - learnpath::learnpath() '.__LINE__.' - Querying user: '.$sql,0);}
- //$res = Database::query($sql);
- $res = api_sql_query($sql);
- if(Database::num_rows($res)>0)
- {
- $this->user_id = $user_id;
- }
- else
- {
- $this->error = 'User ID does not exist in database ('.$sql.')';
- return false;
- }
- }
- //end of variables checking
-
- //now get the latest attempt from this user on this LP, if available, otherwise create a new one
- $lp_table = Database::get_course_table(TABLE_LP_VIEW);
- //selecting by view_count descending allows to get the highest view_count first
- $sql = "SELECT * FROM $lp_table WHERE lp_id = '$lp_id' AND user_id = '$user_id' ORDER BY view_count DESC";
- if($this->debug>2){error_log('New LP - learnpath::learnpath() '.__LINE__.' - querying lp_view: '.$sql,0);}
- //$res = Database::query($sql);
- $res = api_sql_query($sql);
- $view_id = 0; //used later to query lp_item_view
- if(Database::num_rows($res)>0)
- {
- if($this->debug>2){error_log('New LP - learnpath::learnpath() '.__LINE__.' - Found previous view',0);}
- $row = Database::fetch_array($res);
- $this->attempt = $row['view_count'];
- $this->lp_view_id = $row['id'];
- $this->last_item_seen = $row['last_item'];
- $this->progress_db = $row['progress'];
- }
- else
- {
- if($this->debug>2){error_log('New LP - learnpath::learnpath() '.__LINE__.' - NOT Found previous view',0);}
- $this->attempt = 1;
- $sql_ins = "INSERT INTO $lp_table (lp_id,user_id,view_count) VALUES ($lp_id,$user_id,1)";
- $res_ins = api_sql_query($sql_ins);
- $this->lp_view_id = Database::get_last_insert_id();
- if($this->debug>2){error_log('New LP - learnpath::learnpath() '.__LINE__.' - inserting new lp_view: '.$sql_ins,0);}
- }
- //initialise items
- $lp_item_table = Database::get_course_table(TABLE_LP_ITEM);
- $sql = "SELECT * FROM $lp_item_table WHERE lp_id = '".$this->lp_id."' ORDER BY parent_item_id, display_order";
- $res = api_sql_query($sql);
-
- while($row = Database::fetch_array($res))
- {
- $oItem = '';
- //$this->ordered_items[] = $row['id'];
- switch($this->type){
-
- case 3: //aicc
- $oItem = new aiccItem('db',$row['id']);
- if(is_object($oItem)){
- $my_item_id = $oItem->get_id();
- $oItem->set_lp_view($this->lp_view_id);
- $oItem->set_prevent_reinit($this->prevent_reinit);
- // Don't use reference here as the next loop will make the pointed object change
- $this->items[$my_item_id] = $oItem;
- $this->refs_list[$oItem->ref]=$my_item_id;
- if($this->debug>2){error_log('New LP - learnpath::learnpath() - aicc object with id '.$my_item_id.' set in items[]',0);}
- }
- break;
- case 2:
- require_once('scorm.class.php');
- require_once('scormItem.class.php');
- $oItem = new scormItem('db',$row['id']);
- if(is_object($oItem)){
- $my_item_id = $oItem->get_id();
- $oItem->set_lp_view($this->lp_view_id);
- $oItem->set_prevent_reinit($this->prevent_reinit);
- // Don't use reference here as the next loop will make the pointed object change
- $this->items[$my_item_id] = $oItem;
- $this->refs_list[$oItem->ref]=$my_item_id;
- if($this->debug>2){error_log('New LP - object with id '.$my_item_id.' set in items[]',0);}
- }
- break;
- case 1:
- default:
- require_once('learnpathItem.class.php');
- $oItem = new learnpathItem($row['id'],$user_id);
- if(is_object($oItem)){
- $my_item_id = $oItem->get_id();
- //$oItem->set_lp_view($this->lp_view_id); moved down to when we are sure the item_view exists
- $oItem->set_prevent_reinit($this->prevent_reinit);
- // Don't use reference here as the next loop will make the pointed object change
- $this->items[$my_item_id] = $oItem;
- $this->refs_list[$my_item_id]=$my_item_id;
- if($this->debug>2){error_log('New LP - learnpath::learnpath() '.__LINE__.' - object with id '.$my_item_id.' set in items[]',0);}
- }
- break;
- }
- //items is a list of pointers to all items, classified by DB ID, not SCO id
- if($row['parent_item_id'] == 0 OR empty($this->items[$row['parent_item_id']])){
- $this->items[$row['id']]->set_level(0);
- }else{
- $level = $this->items[$row['parent_item_id']]->get_level()+1;
- $this->items[$row['id']]->set_level($level);
- if(is_object($this->items[$row['parent_item_id']])){
- //items is a list of pointers from item DB ids to item objects
- $this->items[$row['parent_item_id']]->add_child($row['id']);
- }else{
- if($this->debug>2){error_log('New LP - learnpath::learnpath() '.__LINE__.' - The parent item ('.$row['parent_item_id'].') of item '.$row['id'].' could not be found',0);}
- }
- }
- //get last viewing vars
- $lp_item_view_table = Database::get_course_table(TABLE_LP_ITEM_VIEW);
- //this query should only return one or zero result
- $sql = "SELECT * " .
- "FROM $lp_item_view_table " .
- "WHERE lp_view_id = ".$this->lp_view_id." " .
- "AND lp_item_id = ".$row['id']." ORDER BY view_count DESC ";
- if($this->debug>2){error_log('New LP - learnpath::learnpath() - Selecting item_views: '.$sql,0);}
- //get the item status
- $res2 = api_sql_query($sql);
- if(Database::num_rows($res2)>0)
- {
- //if this learnpath has already been used by this user, get his last attempt count and
- //the last item seen back into this object
- //$max = 0;
- $row2 = Database::fetch_array($res2);
- if($this->debug>2){error_log('New LP - learnpath::learnpath() - Got item_view: '.print_r($row2,true),0);}
- $this->items[$row['id']]->set_status($row2['status']);
- if(empty($row2['status'])){
- $this->items[$row['id']]->set_status($this->default_status);
- }
- //$this->attempt = $row['view_count'];
- //$this->last_item = $row['id'];
- }
- else //no item found in lp_item_view for this view
- {
- //first attempt from this user. Set attempt to 1 and last_item to 0 (first item available)
- //TODO if the learnpath has not got attempts activated, always use attempt '1'
- //$this->attempt = 1;
- //$this->last_item = 0;
- $this->items[$row['id']]->set_status($this->default_status);
- //Add that row to the lp_item_view table so that we have something to show in the stats page
- $sql_ins = "INSERT INTO $lp_item_view_table " .
- "(lp_item_id, lp_view_id, view_count, status) VALUES " .
- "(".$row['id'].",".$this->lp_view_id.",1,'not attempted')";
- if($this->debug>2){error_log('New LP - learnpath::learnpath() '.__LINE__.' - Inserting blank item_view : '.$sql_ins,0);}
- $res_ins = api_sql_query($sql_ins);
- }
- //setting the view in the item object
- $this->items[$row['id']]->set_lp_view($this->lp_view_id);
- }
- $this->ordered_items = $this->get_flat_ordered_items_list($this->get_id(),0);
- $this->max_ordered_items = 0;
- foreach($this->ordered_items as $index=>$dummy){
- if($index > $this->max_ordered_items AND !empty($dummy)){
- $this->max_ordered_items = $index;
- }
- }
- //TODO define the current item better
- $this->first();
- if($this->debug>2){error_log('New LP - learnpath::learnpath() '.__LINE__.' - End of learnpath constructor for learnpath '.$this->get_id(),0);}
- }
-
- /**
- * Function rewritten based on old_add_item() from Yannick Warnier. Due the fact that users can decide where the item should come, I had to overlook this function and
- * I found it better to rewrite it. Old function is still available. Added also the possibility to add a description.
- *
- * @param int $parent
- * @param int $previous
- * @param string $type
- * @param int $id
- * @param string $title
- * @param string $description
- * @return int
- */
- function add_item($parent, $previous, $type = 'dokeos_chapter', $id, $title, $description, $prerequisites=0)
- {
- if($this->debug>0){error_log('New LP - In learnpath::add_item('.$parent.','.$previous.','.$type.','.$id.','.$title.')',0);}
-
- $tbl_lp_item = Database::get_course_table('lp_item');
- $parent = intval($parent);
- $previous = intval($previous);
- $type = $this->escape_string($type);
- $id = intval($id);
- $title = $this->escape_string(htmlentities($title));
- $description = $this->escape_string(htmlentities($description));
-
- $sql_count = "
- SELECT COUNT(id) AS num
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->get_id() . " AND
- parent_item_id = " . $parent;
-
- $res_count = api_sql_query($sql_count, __FILE__, __LINE__);
- $row = Database::fetch_array($res_count);
-
- $num = $row['num'];
-
- if($num > 0)
- {
- if($previous == 0)
- {
- $sql = "
- SELECT
- id,
- next_item_id,
- display_order
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->get_id() . " AND
- parent_item_id = " . $parent . " AND
- previous_item_id = 0 OR previous_item_id=".$parent;
-
- $result = api_sql_query($sql, __FILE__, __LINE__);
- $row = Database::fetch_array($result);
-
- $tmp_previous = 0;
- $next = $row['id'];
- $display_order = 0;
- }
- else
- {
- $previous = (int) $previous;
-
- $sql = "
- SELECT
- id,
- previous_item_id,
- next_item_id,
- display_order
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->get_id() . " AND
- id = " . $previous;
-
- $result = api_sql_query($sql, __FILE__, __LINE__);
- $row = Database::fetch_array($result);
-
- $tmp_previous = $row['id'];
- $next = $row['next_item_id'];
-
- $display_order = $row['display_order'];
- }
- }
- else
- {
- $tmp_previous = 0;
- $next = 0;
- $display_order = 0;
- }
-
- $new_item_id = -1;
- $id = $this->escape_string($id);
-
- if($type == 'quiz')
- {
- $sql = 'SELECT SUM(ponderation)
- FROM '.Database :: get_course_table(TABLE_QUIZ_QUESTION).' as quiz_question
- INNER JOIN '.Database :: get_course_table(TABLE_QUIZ_TEST_QUESTION).' as quiz_rel_question
- ON quiz_question.id = quiz_rel_question.question_id
- AND quiz_rel_question.exercice_id = '.$id;
- $rsQuiz = api_sql_query($sql, __FILE__, __LINE__);
- $max_score = mysql_result($rsQuiz, 0, 0);
- }
- else
- {
- $max_score = 100;
- }
-
- if($prerequisites!=0){
- $sql_ins = "
- INSERT INTO " . $tbl_lp_item . " (
- lp_id,
- item_type,
- ref,
- title,
- description,
- path,
- max_score,
- parent_item_id,
- previous_item_id,
- next_item_id,
- display_order,
- prerequisite
- ) VALUES (
- " . $this->get_id() . ",
- '" . $type . "',
- '',
- '" . $title . "',
- '" . $description . "',
- '" . $id . "',
- '" . $max_score. "',
- " . $parent . ",
- " . $previous . ",
- " . $next . ",
- " . ($display_order + 1) . ",
- " . $prerequisites . "
- )";
- }
-
- else{
- //insert new item
- $sql_ins = "
- INSERT INTO " . $tbl_lp_item . " (
- lp_id,
- item_type,
- ref,
- title,
- description,
- path,
- max_score,
- parent_item_id,
- previous_item_id,
- next_item_id,
- display_order
- ) VALUES (
- " . $this->get_id() . ",
- '" . $type . "',
- '',
- '" . $title . "',
- '" . $description . "',
- '" . $id . "',
- '" . $max_score. "',
- " . $parent . ",
- " . $previous . ",
- " . $next . ",
- " . ($display_order + 1) . "
- )";
- }
-
- if($this->debug>2){error_log('New LP - Inserting dokeos_chapter: '.$sql_ins,0);}
- $res_ins = api_sql_query($sql_ins, __FILE__, __LINE__);
-
- if($res_ins > 0)
- {
- $new_item_id = Database::get_last_insert_id($res_ins);
-
- //update the item that should come after the new item
- $sql_update_next = "
- UPDATE " . $tbl_lp_item . "
- SET previous_item_id = " . $new_item_id . "
- WHERE id = " . $next;
-
- $res_update_next = api_sql_query($sql_update_next, __FILE__, __LINE__);
-
- //update the item that should be before the new item
- $sql_update_previous = "
- UPDATE " . $tbl_lp_item . "
- SET next_item_id = " . $new_item_id . "
- WHERE id = " . $tmp_previous;
-
- $res_update_previous = api_sql_query($sql_update_previous, __FILE__, __LINE__);
-
- //update all the items after the new item
- $sql_update_order = "
- UPDATE " . $tbl_lp_item . "
- SET display_order = display_order + 1
- WHERE
- lp_id = " . $this->get_id() . " AND
- id <> " . $new_item_id . " AND
- parent_item_id = " . $parent . " AND
- display_order > " . $display_order;
-
- $res_update_previous = api_sql_query($sql_update_order, __FILE__, __LINE__);
-
- //update the item that should come after the new item
- $sql_update_ref = "
- UPDATE " . $tbl_lp_item . "
- SET ref = " . $new_item_id . "
- WHERE id = " . $new_item_id;
-
- api_sql_query($sql_update_ref, __FILE__, __LINE__);
-
- }
-
- return $new_item_id;
- }
-
- /**
- * Static admin function allowing addition of a learnpath to a course.
- * @param string Course code
- * @param string Learnpath name
- * @param string Learnpath description string, if provided
- * @param string Type of learnpath (default = 'guess', others = 'dokeos', 'aicc',...)
- * @param string Type of files origin (default = 'zip', others = 'dir','web_dir',...)
- * @param string Zip file containing the learnpath or directory containing the learnpath
- * @return integer The new learnpath ID on success, 0 on failure
- */
- function add_lp($course,$name,$description='',$learnpath='guess',$origin='zip',$zipname='')
- {
- //if($this->debug>0){error_log('New LP - In learnpath::add_lp()',0);}
- //TODO
- $tbl_lp = Database::get_course_table('lp');
- //check course code exists
- //check lp_name doesn't exist, otherwise append something
- $i = 0;
- $name = learnpath::escape_string(htmlentities($name)); //Kevin Van Den Haute: added htmlentities()
- $check_name = "SELECT * FROM $tbl_lp WHERE name = '$name'";
- //if($this->debug>2){error_log('New LP - Checking the name for new LP: '.$check_name,0);}
- $res_name = api_sql_query($check_name);
- while(Database::num_rows($res_name)){
- //there is already one such name, update the current one a bit
- $i++;
- $name = $name.' - '.$i;
- $check_name = "SELECT * FROM $tbl_lp WHERE name = '$name'";
- //if($this->debug>2){error_log('New LP - Checking the name for new LP: '.$check_name,0);}
- $res_name = api_sql_query($check_name);
- }
- //new name does not exist yet; keep it
- //escape description
- $description = learnpath::escape_string(htmlentities($description)); //Kevin: added htmlentities()
- $type = 1;
- switch($learnpath){
- case 'guess':
- break;
- case 'dokeos':
- $type = 1;
- break;
- case 'aicc':
- break;
- }
- switch($origin){
- case 'zip':
- //check zipname string. If empty, we are currently creating a new Dokeos learnpath
- break;
- case 'manual':
- default:
- $get_max = "SELECT MAX(display_order) FROM $tbl_lp";
- $res_max = api_sql_query($get_max);
- if(Database::num_rows($res_max)<1){
- $dsp = 1;
- }else{
- $row = Database::fetch_array($res_max);
- $dsp = $row[0]+1;
- }
- $sql_insert = "INSERT INTO $tbl_lp " .
- "(lp_type,name,description,path,default_view_mod," .
- "default_encoding,display_order,content_maker," .
- "content_local,js_lib) " .
- "VALUES ($type,'$name','$description','','embedded'," .
- "'UTF-8','$dsp','Dokeos'," .
- "'local','')";
- //if($this->debug>2){error_log('New LP - Inserting new lp '.$sql_insert,0);}
- $res_insert = api_sql_query($sql_insert);
- $id = Database::get_last_insert_id();
- if($id>0){
- //insert into item_property
- api_item_property_update(api_get_course_info(),TOOL_LEARNPATH,$id,'LearnpathAdded',api_get_user_id());
- return $id;
- }
- break;
- }
- }
- /**
- * Appends a message to the message attribute
- * @param string Message to append.
- */
- function append_message($string)
- {
- if($this->debug>0){error_log('New LP - In learnpath::append_message()',0);}
- $this->message .= $string;
- }
- /**
- * Autocompletes the parents of an item in case it's been completed or passed
- * @param integer Optional ID of the item from which to look for parents
- */
- function autocomplete_parents($item)
- {
- if($this->debug>0){error_log('New LP - In learnpath::autocomplete_parents()',0);}
- if(empty($item)){
- $item = $this->current;
- }
- $parent_id = $this->items[$item]->get_parent();
- if($this->debug>2){error_log('New LP - autocompleting parent of item '.$item.' (item '.$parent_id.')',0);}
- if(is_object($this->items[$item]) and !empty($parent_id))
- {//if $item points to an object and there is a parent
- if($this->debug>2){error_log('New LP - '.$item.' is an item, proceed',0);}
- $current_item =& $this->items[$item];
- $parent =& $this->items[$parent_id]; //get the parent
- //new experiment including failed and browsed in completed status
- $current_status = $current_item->get_status();
- if($current_item->is_done() || $current_status=='browsed' || $current_status=='failed')
- {
- //if the current item is completed or passes or succeeded
- $completed = true;
- if($this->debug>2){error_log('New LP - Status of current item is alright',0);}
- foreach($parent->get_children() as $child)
- {
- //check all his brothers (his parent's children) for completion status
- if($child!= $item)
- {
- if($this->debug>2){error_log('New LP - Looking at brother with ID '.$child.', status is '.$this->items[$child]->get_status(),0);}
- //if($this->items[$child]->status_is(array('completed','passed','succeeded')))
- //Trying completing parents of failed and browsed items as well
- if($this->items[$child]->status_is(array('completed','passed','succeeded','browsed','failed')))
- {
- //keep completion status to true
- }else{
- if($this->debug>2){error_log('New LP - Found one incomplete child of '.$parent_id.': '.$child.' is '.$this->items[$child]->get_status(),0);}
- $completed = false;
- }
- }
- }
- if($completed == true)
- { //if all the children were completed
- $parent->set_status('completed');
- $parent->save(false,$this->prerequisites_match($parent->get_id()));
- $this->update_queue[$parent->get_id()] = $parent->get_status();
- if($this->debug>2){error_log('New LP - Added parent to update queue '.print_r($this->update_queue,true),0);}
- $this->autocomplete_parents($parent->get_id()); //recursive call
- }
- }else{
- //error_log('New LP - status of current item is not enough to get bothered with it',0);
- }
- }
- }
- /**
- * Autosaves the current results into the database for the whole learnpath
- */
- function autosave()
- {
- if($this->debug>0){error_log('New LP - In learnpath::autosave()',0);}
- //TODO add aditionnal save operations for the learnpath itself
- }
- /**
- * Clears the message attribute
- */
- function clear_message()
- {
- if($this->debug>0){error_log('New LP - In learnpath::clear_message()',0);}
- $this->message = '';
- }
- /**
- * Closes the current resource
- *
- * Stops the timer
- * Saves into the database if required
- * Clears the current resource data from this object
- * @return boolean True on success, false on failure
- */
- function close()
- {
- if($this->debug>0){error_log('New LP - In learnpath::close()',0);}
- if(empty($this->lp_id))
- {
- $this->error = 'Trying to close this learnpath but no ID is set';
- return false;
- }
- $this->current_time_stop = time();
- if($this->save)
- {
- $learnpath_view_table = Database::get_course_table(TABLE_LP_VIEW);
- /*
- $sql = "UPDATE $learnpath_view_table " .
- "SET " .
- "stop_time = ".$this->current_time_stop.", " .
- "score = ".$this->current_score.", ".
- "WHERE learnpath_id = '".$this->lp_id."'";
- //$res = Database::query($sql);
- $res = api_sql_query($res);
- if(mysql_affected_rows($res)<1)
- {
- $this->error = 'Could not update learnpath_view table while closing learnpath';
- return false;
- }
- */
- }
- $this->ordered_items = array();
- $this->index=0;
- unset($this->lp_id);
- //unset other stuff
- return true;
- }
- /**
- * Static admin function allowing removal of a learnpath
- * @param string Course code
- * @param integer Learnpath ID
- * @param string Whether to delete data or keep it (default: 'keep', others: 'remove')
- * @return boolean True on success, false on failure (might change that to return number of elements deleted)
- */
- function delete($course=null,$id=null,$delete='keep')
- {
- //TODO implement a way of getting this to work when the current object is not set
- //In clear: implement this in the item class as well (abstract class) and use the given ID in queries
- //if(empty($course)){$course = api_get_course_id();}
- //if(empty($id)){$id = $this->get_id();}
- //If an ID is specifically given and the current LP is not the same,
- //prevent delete
- if(!empty($id) && ($id != $this->lp_id)){return false;}
-
- //if($this->debug>0){error_log('New LP - In learnpath::delete()',0);}
- foreach($this->items as $id => $dummy)
- {
- $this->items[$id]->delete();
- }
- $lp = Database::get_course_table('lp');
- $lp_view = Database::get_course_table('lp_view');
- $sql_del_view = "DELETE FROM $lp_view WHERE lp_id = ".$this->lp_id;
- //if($this->debug>2){error_log('New LP - Deleting views bound to lp '.$this->lp_id.': '.$sql_del_view,0);}
- $res_del_view = api_sql_query($sql_del_view);
- $this->toggle_publish($this->lp_id,'i');
- //if($this->debug>2){error_log('New LP - Deleting lp '.$this->lp_id.' of type '.$this->type,0);}
- if($this->type == 2 OR $this->type==3){
- //this is a scorm learning path, delete the files as well
- $sql = "SELECT path FROM $lp WHERE id = ".$this->lp_id;
- $res = api_sql_query($sql);
- if(Database::num_rows($res)>0){
- $row = Database::fetch_array($res);
- $path = $row['path'];
- $sql = "SELECT id FROM $lp WHERE path = '$path' AND id != ".$this->lp_id;
- $res = api_sql_query($sql);
- if(Database::num_rows($res)>0)
- { //another learning path uses this directory, so don't delete it
- if($this->debug>2){error_log('New LP - In learnpath::delete(), found other LP using path '.$path.', keeping directory',0);}
- }else{
- //no other LP uses that directory, delete it
- $course_rel_dir = api_get_course_path().'/scorm/'; //scorm dir web path starting from /courses
- $course_scorm_dir = api_get_path(SYS_COURSE_PATH).$course_rel_dir; //absolute system path for this course
- if($delete == 'remove' && is_dir($course_scorm_dir.$path) and !empty($course_scorm_dir)){
- if($this->debug>2){error_log('New LP - In learnpath::delete(), found SCORM, deleting directory: '.$course_scorm_dir.$path,0);}
- exec('rm -rf '.$course_scorm_dir.$path);
- }
- }
- }
- }
- $sql_del_lp = "DELETE FROM $lp WHERE id = ".$this->lp_id;
- //if($this->debug>2){error_log('New LP - Deleting lp '.$this->lp_id.': '.$sql_del_lp,0);}
- $res_del_lp = api_sql_query($sql_del_lp);
- $this->update_display_order();//updates the display order of all lps
- api_item_property_update(api_get_course_info(),TOOL_LEARNPATH,$this->lp_id,'delete',api_get_user_id());
- //TODO: also delete items and item-views
- }
- /**
- * Removes all the children of one item - dangerous!
- * @param integer Element ID of which children have to be removed
- * @return integer Total number of children removed
- */
- function delete_children_items($id){
- if($this->debug>0){error_log('New LP - In learnpath::delete_children_items('.$id.')',0);}
- $num = 0;
- if(empty($id) || $id != strval(intval($id))){return false;}
- $lp_item = Database::get_course_table('lp_item');
- $sql = "SELECT * FROM $lp_item WHERE parent_item_id = $id";
- $res = api_sql_query($sql);
- while($row = Database::fetch_array($res)){
- $num += $this->delete_children_items($row['id']);
- $sql_del = "DELETE FROM $lp_item WHERE id = ".$row['id'];
- $res_del = api_sql_query($sql_del);
- $num++;
- }
- return $num;
- }
- /**
- * Removes an item from the current learnpath
- * @param integer Elem ID (0 if first)
- * @param integer Whether to remove the resource/data from the system or leave it (default: 'keep', others 'remove')
- * @return integer Number of elements moved
- * @todo implement resource removal
- */
- function delete_item($id, $remove='keep')
- {
- if($this->debug>0){error_log('New LP - In learnpath::delete_item()',0);}
- //TODO - implement the resource removal
- if(empty($id) || $id != strval(intval($id))){return false;}
- //first select item to get previous, next, and display order
- $lp_item = Database::get_course_table('lp_item');
- $sql_sel = "SELECT * FROM $lp_item WHERE id = $id";
- $res_sel = api_sql_query($sql_sel,__FILE__,__LINE__);
- if(Database::num_rows($res_sel)<1){return false;}
- $row = Database::fetch_array($res_sel);
- $previous = $row['previous_item_id'];
- $next = $row['next_item_id'];
- $display = $row['display_order'];
- $parent = $row['parent_item_id'];
- $lp = $row['lp_id'];
- //delete children items
- $num = $this->delete_children_items($id);
- if($this->debug>2){error_log('New LP - learnpath::delete_item() - deleted '.$num.' children of element '.$id,0);}
- //now delete the item
- $sql_del = "DELETE FROM $lp_item WHERE id = $id";
- if($this->debug>2){error_log('New LP - Deleting item: '.$sql_del,0);}
- $res_del = api_sql_query($sql_del,__FILE__,__LINE__);
- //now update surrounding items
- $sql_upd = "UPDATE $lp_item SET next_item_id = $next WHERE id = $previous";
- $res_upd = api_sql_query($sql_upd,__FILE__,__LINE__);
- $sql_upd = "UPDATE $lp_item SET previous_item_id = $previous WHERE id = $next";
- $res_upd = api_sql_query($sql_upd,__FILE__,__LINE__);
- //now update all following items with new display order
- $sql_all = "UPDATE $lp_item SET display_order = display_order-1 WHERE lp_id = $lp AND parent_item_id = $parent AND display_order > $display";
- $res_all = api_sql_query($sql_all,__FILE__,__LINE__);
- }
- /**
- * Updates an item's content in place
- * @param integer Element ID
- * @param string New content
- * @return boolean True on success, false on error
- */
- function edit_item($id, $parent, $previous, $title, $description, $prerequisites=0)
- {
- if($this->debug > 0){error_log('New LP - In learnpath::edit_item()', 0);}
- if(empty($id) or ($id != strval(intval($id))) or empty($title)){ return false; }
-
- $tbl_lp_item = Database::get_course_table('lp_item');
-
- $sql_select = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE id = " . $id;
- $res_select = api_sql_query($sql_select, __FILE__, __LINE__);
- $row_select = Database::fetch_array($res_select);
-
- $same_parent = ($row_select['parent_item_id'] == $parent) ? true : false;
- $same_previous = ($row_select['previous_item_id'] == $previous) ? true : false;
-
- if($same_parent && $same_previous)
- {
- //only update title and description
- $sql_update = "
- UPDATE " . $tbl_lp_item . "
- SET
- title = '" . $this->escape_string(htmlentities($title)) . "',
- prerequisite = '".$prerequisites."',
- description = '" . $this->escape_string(htmlentities($description)) . "'
- WHERE id = " . $id;
- $res_update = api_sql_query($sql_update, __FILE__, __LINE__);
- }
- else
- {
- $old_parent = $row_select['parent_item_id'];
- $old_previous = $row_select['previous_item_id'];
- $old_next = $row_select['next_item_id'];
- $old_order = $row_select['display_order'];
- $old_prerequisite= $row_select['prerequisite'];
-
- /* BEGIN -- virtually remove the current item id */
- /* for the next and previous item it is like the current item doesn't exist anymore */
-
- if($old_previous != 0)
- {
- $sql_update_next = "
- UPDATE " . $tbl_lp_item . "
- SET next_item_id = " . $old_next . "
- WHERE id = " . $old_previous;
- $res_update_next = api_sql_query($sql_update_next, __FILE__, __LINE__);
- //echo '<p>' . $sql_update_next . '</p>';
- }
-
- if($old_next != 0)
- {
- $sql_update_previous = "
- UPDATE " . $tbl_lp_item . "
- SET previous_item_id = " . $old_previous . "
- WHERE id = " . $old_next;
- $res_update_previous = api_sql_query($sql_update_previous, __FILE__, __LINE__);
-
- //echo '<p>' . $sql_update_previous . '</p>';
- }
-
- //display_order - 1 for every item with a display_order bigger then the display_order of the current item
- $sql_update_order = "
- UPDATE " . $tbl_lp_item . "
- SET display_order = display_order - 1
- WHERE
- display_order > " . $old_order . " AND
- parent_item_id = " . $old_parent;
- $res_update_order = api_sql_query($sql_update_order, __FILE__, __LINE__);
-
- //echo '<p>' . $sql_update_order . '</p>';
-
- /* END -- virtually remove the current item id */
-
- /* BEGIN -- update the current item id to his new location */
-
- if($previous == 0)
- {
- //select the data of the item that should come after the current item
- $sql_select_old = "
- SELECT
- id,
- display_order
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->lp_id . " AND
- parent_item_id = " . $parent . " AND
- previous_item_id = " . $previous;
- $res_select_old = api_sql_query($sql_select_old, __FILE__, __LINE__);
- $row_select_old = Database::fetch_array($res_select_old);
-
- //echo '<p>' . $sql_select_old . '</p>';
-
- //if the new parent didn't have children before
- if(Database::num_rows($res_select_old) == 0)
- {
- $new_next = 0;
- $new_order = 1;
- }
- else
- {
- $new_next = $row_select_old['id'];
- $new_order = $row_select_old['display_order'];
- }
-
- //echo 'New next_item_id of current item: ' . $new_next . '<br />';
- //echo 'New previous_item_id of current item: ' . $previous . '<br />';
- //echo 'New display_order of current item: ' . $new_order . '<br />';
-
-
- }
- else
- {
- //select the data of the item that should come before the current item
- $sql_select_old = "
- SELECT
- next_item_id,
- display_order
- FROM " . $tbl_lp_item . "
- WHERE id = " . $previous;
- $res_select_old = api_sql_query($sql_select_old, __FILE__, __LINE__);
- $row_select_old = Database::fetch_array($res_select_old);
-
- //echo '<p>' . $sql_select_old . '</p>';
-
- //echo 'New next_item_id of current item: ' . $row_select_old['next_item_id'] . '<br />';
- //echo 'New previous_item_id of current item: ' . $previous . '<br />';
- //echo 'New display_order of current item: ' . ($row_select_old['display_order'] + 1) . '<br />';
-
- $new_next = $row_select_old['next_item_id'];
- $new_order = $row_select_old['display_order'] + 1;
- }
-
- //update the current item with the new data
- $sql_update = "
- UPDATE " . $tbl_lp_item . "
- SET
- title = '" . $this->escape_string(htmlentities($title)) . "',
- description = '" . $this->escape_string(htmlentities($description)) . "',
- parent_item_id = " . $parent . ",
- previous_item_id = " . $previous . ",
- next_item_id = " . $new_next . ",
- display_order = " . $new_order . "
- WHERE id = " . $id;
- $res_update_next = api_sql_query($sql_update, __FILE__, __LINE__);
- //echo '<p>' . $sql_update . '</p>';
-
- if($previous != 0)
- {
- //update the previous item's next_item_id
- $sql_update_previous = "
- UPDATE " . $tbl_lp_item . "
- SET next_item_id = " . $id . "
- WHERE id = " . $previous;
- $res_update_next = api_sql_query($sql_update_previous, __FILE__, __LINE__);
- //echo '<p>' . $sql_update_previous . '</p>';
- }
-
- if($new_next != 0)
- {
- //update the next item's previous_item_id
- $sql_update_next = "
- UPDATE " . $tbl_lp_item . "
- SET previous_item_id = " . $id . "
- WHERE id = " . $new_next;
- $res_update_next = api_sql_query($sql_update_next, __FILE__, __LINE__);
- //echo '<p>' . $sql_update_next . '</p>';
- }
-
- if($old_prerequisite!=$prerequisites){
- $sql_update_next = "
- UPDATE " . $tbl_lp_item . "
- SET prerequisite = " . $prerequisites . "
- WHERE id = " . $id;
- $res_update_next = api_sql_query($sql_update_next, __FILE__, __LINE__);
- }
-
- //update all the items with the same or a bigger display_order than
- //the current item
- $sql_update_order = "
- UPDATE " . $tbl_lp_item . "
- SET display_order = display_order + 1
- WHERE
- lp_id = " . $this->get_id() . " AND
- id <> " . $id . " AND
- parent_item_id = " . $parent . " AND
- display_order >= " . $new_order;
-
- $res_update_next = api_sql_query($sql_update_order, __FILE__, __LINE__);
- //echo '<p>' . $sql_update_order . '</p>';
-
- /* END -- update the current item id to his new location */
- }
- }
-
- /**
- * Updates an item's prereq in place
- * @param integer Element ID
- * @param string Prerequisite Element ID
- *
- * @param string Prerequisite item type
- *
- * @param string Prerequisite min score
- *
- * @param string Prerequisite max score
- * @return boolean True on success, false on error
- */
- function edit_item_prereq($id, $prerequisite_id, $mastery_score = 0, $max_score = 100)
- {
- if($this->debug>0){error_log('New LP - In learnpath::edit_item_prereq('.$id.','.$prerequisite_id.','.$mastery_score.','.$max_score.')',0);}
- if(empty($id) or ($id != strval(intval($id))) or empty($prerequisite_id)){ return false; }
- $prerequisite_id = $this->escape_string($prerequisite_id);
- $tbl_lp_item = Database::get_course_table('lp_item');
-
- if(!is_numeric($mastery_score) || $mastery_score < 0)
- $mastery_score = 0;
-
- if(!is_numeric($max_score) || $max_score < 0)
- $max_score = 100;
-
- if($mastery_score > $max_score)
- $max_score = $mastery_score;
-
- if(!is_numeric($prerequisite_id))
- $prerequisite_id = 'NULL';
-
- $sql_upd = "
- UPDATE " . $tbl_lp_item . "
- SET prerequisite = ".$prerequisite_id." WHERE id = ".$id;
- $res_upd = api_sql_query($sql_upd ,__FILE__, __LINE__);
- if($prerequisite_id!='NULL' && $prerequisite_id!='')
- {
- $sql_upd = " UPDATE ".$tbl_lp_item." SET
- mastery_score = " . $mastery_score .
- //", max_score = " . $max_score . " " . //max score cannot be changed in the form anyway - see display_item_prerequisites_form()
- " WHERE ref = '" . $prerequisite_id."'" ; //will this be enough to ensure unicity?
-
- $res_upd = api_sql_query($sql_upd ,__FILE__, __LINE__);
- }
- //TODO update the item object (can be ignored for now because refreshed)
- return true;
- }
- /**
- * Escapes a string with the available database escape function
- * @param string String to escape
- * @return string String escaped
- */
- function escape_string($string){
- //if($this->debug>0){error_log('New LP - In learnpath::escape_string('.$string.')',0);}
- return mysql_real_escape_string($string);
- }
- /**
- * Static admin function exporting a learnpath into a zip file
- * @param string Export type (scorm, zip, cd)
- * @param string Course code
- * @param integer Learnpath ID
- * @param string Zip file name
- * @return string Zip file path (or false on error)
- */
- function export_lp($type, $course, $id, $zipname)
- {
- //if($this->debug>0){error_log('New LP - In learnpath::export_lp()',0);}
- //TODO
- if(empty($type) OR empty($course) OR empty($id) OR empty($zipname)){return false;}
- $url = '';
- switch($type){
- case 'scorm':
-
- break;
- case 'zip':
- break;
- case 'cdrom':
- break;
- }
- return $url;
- }
- /**
- * Gets all the chapters belonging to the same parent as the item/chapter given
- * Can also be called as abstract method
- * @param integer Item ID
- * @return array A list of all the "brother items" (or an empty array on failure)
- */
- function get_brother_chapters($id){
- if($this->debug>0){error_log('New LP - In learnpath::get_brother_chapters()',0);}
- if(empty($id) OR $id != strval(intval($id))){ return array();}
- $lp_item = Database::get_course_table('lp_item');
- $sql_parent = "SELECT * FROM $lp_item WHERE id = $id AND item_type='dokeos_chapter'";
- $res_parent = api_sql_query($sql_parent,__FILE__,__LINE__);
- if(Database::num_rows($res_parent)>0){
- $row_parent = Database::fetch_array($res_parent);
- $parent = $row_parent['parent_item_id'];
- $sql_bros = "SELECT * FROM $lp_item WHERE parent_item_id = $parent AND id = $id AND item_type='dokeos_chapter' ORDER BY display_order";
- $res_bros = api_sql_query($sql_bros,__FILE__,__LINE__);
- $list = array();
- while ($row_bro = Database::fetch_array($res_bros)){
- $list[] = $row_bro;
- }
- return $list;
- }
- return array();
- }
- /**
- * Gets all the items belonging to the same parent as the item given
- * Can also be called as abstract method
- * @param integer Item ID
- * @return array A list of all the "brother items" (or an empty array on failure)
- */
- function get_brother_items($id){
- if($this->debug>0){error_log('New LP - In learnpath::get_brother_items('.$id.')',0);}
- if(empty($id) OR $id != strval(intval($id))){ return array();}
- $lp_item = Database::get_course_table('lp_item');
- $sql_parent = "SELECT * FROM $lp_item WHERE id = $id";
- $res_parent = api_sql_query($sql_parent,__FILE__,__LINE__);
- if(Database::num_rows($res_parent)>0){
- $row_parent = Database::fetch_array($res_parent);
- $parent = $row_parent['parent_item_id'];
- $sql_bros = "SELECT * FROM $lp_item WHERE parent_item_id = $parent ORDER BY display_order";
- $res_bros = api_sql_query($sql_bros,__FILE__,__LINE__);
- $list = array();
- while ($row_bro = Database::fetch_array($res_bros)){
- $list[] = $row_bro;
- }
- return $list;
- }
- return array();
- }
- /**
- * Gets the number of items currently completed
- * @return integer The number of items currently completed
- */
- function get_complete_items_count()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_complete_items_count()',0);}
- $i = 0;
- foreach($this->items as $id => $dummy){
- //if($this->items[$id]->status_is(array('completed','passed','succeeded'))){
- //Trying failed and browsed considered "progressed" as well
- if($this->items[$id]->status_is(array('completed','passed','succeeded','browsed','failed'))&&$this->items[$id]->get_type()!='dokeos_chapter'&&$this->items[$id]->get_type()!='dir'){
- $i++;
- }
- }
- return $i;
- }
- /**
- * Gets the current item ID
- * @return integer The current learnpath item id
- */
- function get_current_item_id()
- {
- $current = 0;
- if($this->debug>0){error_log('New LP - In learnpath::get_current_item_id()',0);}
- if(!empty($this->current))
- {
- $current = $this->current;
- }
- if($this->debug>2){error_log('New LP - In learnpath::get_current_item_id() - Returning '.$current,0);}
- return $current;
- }
- /**
- * Gets the total number of items available for viewing in this SCORM
- * @return integer The total number of items
- */
- function get_total_items_count()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_total_items_count()',0);}
- return count($this->items);
- }
- /**
- * Gets the total number of items available for viewing in this SCORM but without chapters
- * @return integer The total no-chapters number of items
- */
- function get_total_items_count_without_chapters()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_total_items_count_without_chapters()',0);}
- $total=0;
- foreach($this->items as $temp=>$temp2){
- if(!in_array($temp2->get_type(), array('dokeos_chapter','chapter','dir'))) $total++;
- }
- return $total;
- }
- /**
- * Gets the first element URL.
- * @return string URL to load into the viewer
- */
- function first()
- {
- if($this->debug>0){error_log('New LP - In learnpath::first()',0);}
- //test if the last_item_seen exists and is not a dir
- if(!empty($this->last_item_seen)
- && !empty($this->items[$this->last_item_seen])
- && $this->items[$this->last_item_seen]->get_type() != 'dir'
- && $this->items[$this->last_item_seen]->get_type() != 'dokeos_chapter'
- && $this->items[$this->last_item_seen]->is_done() != true
- ){
- if($this->debug>2){error_log('New LP - In learnpath::first() - Last item seen is '.$this->last_item_seen.' of type '.$this->items[$this->last_item_seen]->get_type(),0);}
- $index = -1;
- foreach($this->ordered_items as $myindex => $item_id){
- if($item_id == $this->last_item_seen){
- $index = $myindex;
- break;
- }
- }
- if($index==-1){
- //index hasn't changed, so item not found - panic (this shouldn't happen)
- if($this->debug>2){error_log('New LP - Last item ('.$this->last_item_seen.') was found in items but not in ordered_items, panic!',0);}
- return false;
- }else{
- $this->last = $this->last_item_seen;
- $this->current = $this->last_item_seen;
- $this->index = $index;
- }
- }else{
- if($this->debug>2){error_log('New LP - In learnpath::first() - No last item seen',0);}
- $index = 0;
- //loop through all ordered items and stop at the first item that is
- //not a directory *and* that has not been completed yet
- while (!empty($this->ordered_items[$index])
- AND
- is_a($this->items[$this->ordered_items[$index]],'learnpathItem')
- AND
- (
- $this->items[$this->ordered_items[$index]]->get_type() == 'dir'
- OR $this->items[$this->ordered_items[$index]]->get_type() == 'dokeos_chapter'
- OR $this->items[$this->ordered_items[$index]]->is_done() === true
- )
- AND $index < $this->max_ordered_items)
- {
- $index ++;
- }
- $this->last = $this->current;
- //current is
- $this->current = $this->ordered_items[$index];
- $this->index = $index;
- if($this->debug>2){error_log('New LP - In learnpath::first() - No last item seen. New last = '.$this->last.'('.$this->ordered_items[$index].')',0);}
- }
- if($this->debug>2){error_log('New LP - In learnpath::first() - First item is '.$this->get_current_item_id());}
- }
- /**
- * Gets the information about an item in a format usable as JavaScript to update
- * the JS API by just printing this content into the <head> section of the message frame
- * @param integer Item ID
- * @return string
- */
- function get_js_info($item_id=''){
- if($this->debug>0){error_log('New LP - In learnpath::get_js_info('.$item_id.')',0);}
- $info = '';
- $item_id = $this->escape_string($item_id);
- if(!empty($item_id) && is_object($this->items[$item_id])){
- //if item is defined, return values from DB
- $oItem = $this->items[$item_id];
- $info .= '<script language="javascript">';
- $info .= "top.set_score(".$oItem->get_score().");\n";
- $info .= "top.set_max(".$oItem->get_max().");\n";
- $info .= "top.set_min(".$oItem->get_min().");\n";
- $info .= "top.set_lesson_status('".$oItem->get_status()."');";
- $info .= "top.set_session_time('".$oItem->get_scorm_time('js')."');";
- $info .= "top.set_suspend_data('".$oItem->get_suspend_data()."');";
- $info .= "top.set_saved_lesson_status('".$oItem->get_status()."');";
- $info .= "top.set_flag_synchronized();";
- $info .= '</script>';
- if($this->debug>2){error_log('New LP - in learnpath::get_js_info('.$item_id.') - returning: '.$info,0);}
- return $info;
- }else{
- //if item_id is empty, just update to default SCORM data
- $info .= '<script language="javascript">';
- $info .= "top.set_score(".learnpathItem::get_score().");\n";
- $info .= "top.set_max(".learnpathItem::get_max().");\n";
- $info .= "top.set_min(".learnpathItem::get_min().");\n";
- $info .= "top.set_lesson_status('".learnpathItem::get_status()."');";
- $info .= "top.set_session_time('".learnpathItem::get_scorm_time('js')."');";
- $info .= "top.set_suspend_data('".learnpathItem::get_suspend_data()."');";
- $info .= "top.set_saved_lesson_status('".learnpathItem::get_status()."');";
- $info .= "top.set_flag_synchronized();";
- $info .= '</script>';
- if($this->debug>2){error_log('New LP - in learnpath::get_js_info('.$item_id.') - returning: '.$info,0);}
- return $info;
- }
- }
- /**
- * Gets the js library from the database
- * @return string The name of the javascript library to be used
- */
- function get_js_lib(){
- $lib = '';
- if(!empty($this->js_lib)){
- $lib = $this->js_lib;
- }
- return $lib;
- }
- /**
- * Gets the learnpath database ID
- * @return integer Learnpath ID in the lp table
- */
- function get_id()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_id()',0);}
- if(!empty($this->lp_id))
- {
- return $this->lp_id;
- }else{
- return 0;
- }
- }
- /**
- * Gets the last element URL.
- * @return string URL to load into the viewer
- */
- function get_last()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_last()',0);}
- $this->index = count($this->ordered_items)-1;
- return $this->ordered_items[$this->index];
- }
- /**
- * Gets the navigation bar for the learnpath display screen
- * @return string The HTML string to use as a navigation bar
- */
- function get_navigation_bar()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_navigation_bar()',0);}
- //TODO find a good value for the following variables
- $file = '';
- $openDir = '';
- $edoceo = '';
- $time = 0;
- $navbar = '';
- $RequestUri = '';
- $mycurrentitemid = $this->get_current_item_id();
- if($this->mode == 'fullscreen'){
- $navbar = '<table cellpadding="0" cellspacing="0" align="left">'."\n".
- ' <tr> '."\n" .
- ' <td>'."\n" .
- ' <div class="buttons">'."\n" .
- ' <a href="lp_controller.php?action=stats" onclick="window.parent.API.save_asset();return true;" target="content_name_blank" title="stats" id="stats_link"><img border="0" src="../img/lp_stats.gif" title="'.get_lang('ScormMystatus').'"></a> '."\n" .
- ' <a href="" onclick="dokeos_xajax_handler.switch_item('.$mycurrentitemid.',\'previous\');return false;" title="previous"><img border="0" src="../img/lp_leftarrow.gif" title="'.get_lang('ScormPrevious').'"></a> '."\n" .
- ' <a href="" onclick="dokeos_xajax_handler.switch_item('.$mycurrentitemid.',\'next\');return false;" title="next" ><img border="0" src="../img/lp_rightarrow.gif" title="'.get_lang('ScormNext').'"></a> '."\n" .
- ' <a href="lp_controller.php?action=mode&mode=embedded" target="_top" title="embedded mode"><img border="0" src="../img/view_choose.gif" title="'.get_lang('ScormExitFullScreen').'"></a>'."\n" .
- //' <a href="lp_controller.php?action=list" target="_top" title="learnpaths list"><img border="0" src="../img/exit.png" title="Exit"></a>'."\n" .
- ' </div>'."\n" .
- ' </td>'."\n" .
- ' </tr>'."\n" .
- '</table>'."\n" ;
-
- }else{
- $navbar = '<table cellpadding="0" cellspacing="0" align="left">'."\n".
- ' <tr> '."\n" .
- ' <td>'."\n" .
- ' <div class="buttons">'."\n" .
- ' <a href="lp_controller.php?action=stats" onclick="window.parent.API.save_asset();return true;" target="content_name" title="stats" id="stats_link"><img border="0" src="../img/lp_stats.gif" title="'.get_lang('ScormMystatus').'"></a> '."\n" .
- ' <a href="" onclick="dokeos_xajax_handler.switch_item('.$mycurrentitemid.',\'previous\');return false;" title="previous"><img border="0" src="../img/lp_leftarrow.gif" title="'.get_lang('ScormPrevious').'"></a> '."\n" .
- ' <a href="" onclick="dokeos_xajax_handler.switch_item('.$mycurrentitemid.',\'next\');return false;" title="next" ><img border="0" src="../img/lp_rightarrow.gif" title="'.get_lang('ScormNext').'"></a> '."\n" .
- ' <a href="lp_controller.php?action=mode&mode=fullscreen" target="_top" title="fullscreen"><img border="0" src="../img/view_fullscreen.gif" width="18" height="18" title="'.get_lang('ScormFullScreen').'"></a>'."\n" .
- ' </div>'."\n" .
- ' </td>'."\n" .
- ' </tr>'."\n" .
- '</table>'."\n" ;
- }
- return $navbar;
- }
- /**
- * Gets the next resource in queue (url).
- * @return string URL to load into the viewer
- */
- function get_next_index()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_next_index()',0);}
- //TODO
- $index = $this->index;
- $index ++;
- if($this->debug>2){error_log('New LP - Now looking at ordered_items['.($index).'] - type is '.$this->items[$this->ordered_items[$index]]->type,0);}
- while(!empty($this->ordered_items[$index]) AND ($this->items[$this->ordered_items[$index]]->get_type() == 'dir' || $this->items[$this->ordered_items[$index]]->get_type() == 'dokeos_chapter') AND $index < $this->max_ordered_items)
- {
- $index ++;
- if($index == $this->max_ordered_items)
- {
- return $this->index;
- }
- }
- if(empty($this->ordered_items[$index])){
- return $this->index;
- }
- if($this->debug>2){error_log('New LP - index is now '.$index,0);}
- return $index;
- }
- /**
- * Gets item_id for the next element
- * @return integer Next item (DB) ID
- */
- function get_next_item_id()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_next_item_id()',0);}
- $new_index = $this->get_next_index();
- if(!empty($new_index))
- {
- if(isset($this->ordered_items[$new_index]))
- {
- if($this->debug>2){error_log('New LP - In learnpath::get_next_index() - Returning '.$this->ordered_items[$new_index],0);}
- return $this->ordered_items[$new_index];
- }
- }
- if($this->debug>2){error_log('New LP - In learnpath::get_next_index() - Problem - Returning 0',0);}
- return 0;
- }
- /**
- * Returns the package type ('scorm','aicc','scorm2004','dokeos','ppt'...)
- *
- * Generally, the package provided is in the form of a zip file, so the function
- * has been written to test a zip file. If not a zip, the function will return the
- * default return value: ''
- * @param string the path to the file
- * @param string the original name of the file
- * @return string 'scorm','aicc','scorm2004','dokeos' or '' if the package cannot be recognized
- */
- function get_package_type($file_path,$file_name){
-
- //get name of the zip file without the extension
- $file_info = pathinfo($file_name);
- $filename = $file_info['basename'];//name including extension
- $extension = $file_info['extension'];//extension only
-
- if(!empty($_POST['ppt2lp']) && !in_array($extension,array('dll','exe')))
- {
- return 'oogie';
- }
- if(!empty($_POST['woogie']) && !in_array($extension,array('dll','exe')))
- {
- return 'woogie';
- }
-
-
- $file_base_name = str_replace('.'.$extension,'',$filename); //filename without its extension
-
- $zipFile = new pclZip($file_path);
- // Check the zip content (real size and file extension)
- $zipContentArray = $zipFile->listContent();
- $package_type='';
- $at_root = false;
- $manifest = '';
- //the following loop should be stopped as soon as we found the right imsmanifest.xml (how to recognize it?)
- foreach($zipContentArray as $thisContent)
- {
- if ( preg_match('~.(php.*|phtml)$~i', $thisContent['filename']) )
- {
- //New behaviour: Don't do anything. These files will be removed in scorm::import_package
- }
- elseif(stristr($thisContent['filename'],'imsmanifest.xml')!==FALSE)
- {
- $manifest = $thisContent['filename']; //just the relative directory inside scorm/
- $package_type = 'scorm';
- break;//exit the foreach loop
- }
- elseif(preg_match('/aicc\//i',$thisContent['filename'])!=false)
- {//if found an aicc directory... (!= false means it cannot be false (error) or 0 (no match))
- $package_type='aicc';
- //break;//don't exit the loop, because if we find an imsmanifest afterwards, we want it, not the AICC
- }
- else
- {
- $package_type = '';
- }
- }
- return $package_type;
- }
- /**
- * Gets the previous resource in queue (url). Also initialises time values for this viewing
- * @return string URL to load into the viewer
- */
- function get_previous_index()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_previous_index()',0);}
- $index = $this->index;
- if(isset($this->ordered_items[$index-1])){
- $index --;
- while(isset($this->ordered_items[$index]) AND ($this->items[$this->ordered_items[$index]]->get_type() == 'dir' || $this->items[$this->ordered_items[$index]]->get_type() == 'dokeos_chapter'))
- {
- $index --;
- if($index < 0){
- return $this->index;
- }
- }
- }else{
- if($this->debug>2){error_log('New LP - get_previous_index() - there was no previous index available, reusing '.$index,0);}
- //no previous item
- }
- return $index;
- }
- /**
- * Gets item_id for the next element
- * @return integer Previous item (DB) ID
- */
- function get_previous_item_id()
- {
- $new_index = $this->get_previous_index();
- return $this->ordered_items[$new_index];
- }
- /**
- * Gets the progress value from the progress_db attribute
- * @return integer Current progress value
- */
- function get_progress()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_progress()',0);}
- if(!empty($this->progress_db))
- {
- return $this->progress_db;
- }
- return 0;
- }
- /**
- * Gets the progress value from the progress field in the database (allows use as abstract method)
- * @param integer Learnpath ID
- * @param integer User ID
- * @param string Mode of display ('%','abs' or 'both')
- * @return integer Current progress value as found in the database
- */
- function get_db_progress($lp_id,$user_id,$mode='%', $course_db='')
- {
- //if($this->debug>0){error_log('New LP - In learnpath::get_db_progress()',0);}
- $table = Database::get_course_table('lp_view', $course_db);
- $sql = "SELECT * FROM $table WHERE lp_id = $lp_id AND user_id = $user_id";
- $res = api_sql_query($sql,__FILE__,__LINE__);
- $view_id = 0;
- if(Database::num_rows($res)>0)
- {
- $row = Database::fetch_array($res);
- $progress = $row['progress'];
- $view_id = $row['id'];
- }
- if(!$progress)
- {
- $progress = '0';
- }
- if($mode == '%')
- {
- return $progress.'%';
- }
- else
- {
- //get the number of items completed and the number of items total
- $tbl = Database::get_course_table('lp_item', $course_db);
- $sql = "SELECT count(*) FROM $tbl WHERE lp_id = ".$lp_id."
- AND item_type NOT IN('dokeos_chapter','chapter','dir')";
- $res = api_sql_query($sql);
- $row = Database::fetch_array($res);
- $total = $row[0];
- $tbl_item_view = Database::get_course_table('lp_item_view', $course_db);
- $tbl_item = Database::get_course_table('lp_item', $course_db);
-
- //$sql = "SELECT count(distinct(lp_item_id)) FROM $tbl WHERE lp_view_id = ".$view_id." AND status IN ('passed','completed','succeeded')";
- //trying as also counting browsed and failed items
- $sql = "SELECT count(distinct(lp_item_id))
- FROM $tbl_item_view as item_view
- INNER JOIN $tbl_item as item
- ON item.id = item_view.lp_item_id
- AND item_type NOT IN('dokeos_chapter','chapter','dir')
- WHERE lp_view_id = ".$view_id."
- AND status IN ('passed','completed','succeeded','browsed','failed')";
- $res = api_sql_query($sql, __FILE__, __LINE__);
- $row = Database::fetch_array($res);
- $completed = $row[0];
- if($mode == 'abs')
- {
- return $completed.'/'.$total;
- }
- elseif($mode == 'both')
- {
- if($progress<($completed/($total?$total:1)))
- {
- $progress = number_format(($completed/($total?$total:1))*100,0);
- }
- return $progress.'% ('.$completed.'/'.$total.')';
- }
- }
- return $progress;
- }
- /**
- * Gets a progress bar for the learnpath by counting the number of items in it and the number of items
- * completed so far.
- * @param string Mode in which we want the values
- * @param integer Progress value to display (optional but mandatory if used in abstract context)
- * @param string Text to display near the progress value (optional but mandatory in abstract context)
- * @return string HTML string containing the progress bar
- */
- function get_progress_bar($mode='',$percentage=-1,$text_add='')
- {
- global $lp_theme_css;
-
- // Setting up the CSS path of the current style if exists
- if (!empty($lp_theme_css))
- {
- $css_path=api_get_path(WEB_CODE_PATH).'css/'.$lp_theme_css.'/images/';
- }
- else
- {
- $css_path='../img/';
- }
-
- //if($this->debug>0){error_log('New LP - In learnpath::get_progress_bar()',0);}
- if(is_object($this) && ($percentage=='-1' OR $text_add==''))
- {
- list ($percentage, $text_add) = $this->get_progress_bar_text($mode);
- }
- $text = $percentage.$text_add;
- $size = str_replace('%','',$percentage);
- $output = ''
- //.htmlentities(get_lang('ScormCompstatus'),ENT_QUOTES,'ISO-8859-1')."<br />"
- .'<table border="0" cellpadding="0" cellspacing="0"><tr><td>'
- .'<img id="progress_img_limit_left" src="'.$css_path.'bar_1.gif" width="1" height="12">'
- .'<img id="progress_img_full" src="'.$css_path.'bar_1u.gif" width="'.$size.'px" height="12" id="full_portion">'
- .'<img id="progress_img_limit_middle" src="'.$css_path.'bar_1m.gif" width="1" height="12">';
-
- if($percentage <= 98)
- {
- $output .= '<img id="progress_img_empty" src="'.$css_path.'bar_1r.gif" width="'.(100-$size).'px" height="12" id="empty_portion">';
- }
- else
- {
- $output .= '<img id="progress_img_empty" src="'.$css_path.'bar_1r.gif" width="0" height="12" id="empty_portion">';
- }
-
- $output .= '<img id="progress_bar_img_limit_right" src="'.$css_path.'bar_1.gif" width="1" height="12"></td></tr></table>'
- .'<div class="progresstext" id="progress_text">'.$text.'</div>';
- return $output;
- }
- /**
- * Gets the progress bar info to display inside the progress bar. Also used by scorm_api.php
- * @param string Mode of display (can be '%' or 'abs').abs means we display a number of completed elements per total elements
- * //@param integer Additional steps to fake as completed
- * @return list Percentage or number and symbol (% or /xx)
- */
- function get_progress_bar_text($mode='',$add=0)
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_progress_bar_text()',0);}
- if(empty($mode)){$mode = $this->progress_bar_mode;}
- $total_items = $this->get_total_items_count_without_chapters();
- if($this->debug>2){error_log('New LP - Total items available in this learnpath: '.$total_items,0);}
- $i = $this->get_complete_items_count();
- if($this->debug>2){error_log('New LP - Items completed so far: '.$i,0);}
- if($add != 0){
- $i += $add;
- if($this->debug>2){error_log('New LP - Items completed so far (+modifier): '.$i,0);}
- }
- $text = '';
- if($i>$total_items){
- $i = $total_items;
- }
- if($mode == '%'){
- if($total_items>0){
- $percentage = ((float)$i/(float)$total_items)*100;
- }
- else
- {
- $percentage = 0;
- }
- $percentage = number_format($percentage,0);
- $text = '%';
- }elseif($mode == 'abs'){
- $percentage = $i;
- $text = '/'.$total_items;
- }
- return array($percentage,$text);
- }
- /**
- * Gets the progress bar mode
- * @return string The progress bar mode attribute
- */
- function get_progress_bar_mode()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_progress_bar_mode()',0);}
- if(!empty($this->progress_bar_mode))
- {
- return $this->progress_bar_mode;
- }else{
- return '%';
- }
- }
- /**
- * Gets the learnpath proximity (remote or local)
- * @return string Learnpath proximity
- */
- function get_proximity()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_proximity()',0);}
- if(!empty($this->proximity)){return $this->proximity;}else{return '';}
- }
-
- /**
- * Gets the learnpath theme (remote or local)
- * @return string Learnpath theme
- */
- function get_theme()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_theme()',0);}
- if(!empty($this->theme)){return $this->theme;}else{return '';}
- }
-
- /**
- * Generate a new prerequisites string for a given item. If this item was a sco and
- * its prerequisites were strings (instead of IDs), then transform those strings into
- * IDs, knowing that SCORM IDs are kept in the "ref" field of the lp_item table.
- * Prefix all item IDs that end-up in the prerequisites string by "ITEM_" to use the
- * same rule as the scorm_export() method
- * @param integer Item ID
- * @return string Prerequisites string ready for the export as SCORM
- */
- function get_scorm_prereq_string($item_id)
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_scorm_prereq_string()',0);}
- if(!is_object($this->items[$item_id])){return false;}
- $oItem = $this->items[$item_id];
- $prereq = $oItem->get_prereq_string();
- if(empty($prereq))
- {
- return '';
- }
- if(preg_match('/^\d+$/',$prereq) && is_object($this->items[$prereq]))
- { //if the prerequisite is a simple integer ID and this ID exists as an item ID,
- //then simply return it (with the ITEM_ prefix)
- return 'ITEM_'.$prereq;
- }
- else
- {
- if(isset($this->refs_list[$prereq]))
- {
- //it's a simple string item from which the ID can be found in the refs list
- //so we can transform it directly to an ID for export
- return 'ITEM_'.$this->refs_list[$prereq];
- }
- else
- {
- //last case, if it's a complex form, then find all the IDs (SCORM strings)
- //and replace them, one by one, by the internal IDs (dokeos db)
- //TODO modify the '*' replacement to replace the multiplier in front of it
- //by a space as well
- $find = array('&','|','~','=','<>','{','}','*','(',')');
- $replace = array(' ',' ',' ',' ',' ',' ',' ',' ',' ',' ');
- $prereq_mod = str_replace($find,$replace,$prereq);
- $ids = split(' ',$prereq_mod);
- foreach($ids as $id)
- {
- $id = trim($id);
- if(isset($this->refs_list[$id]))
- {
- $prereq = preg_replace('/[^a-zA-Z_0-9]('.$id.')[^a-zA-Z_0-9]/','ITEM_'.$this->refs_list[$id],$prereq);
- }
- }
- error_log('New LP - In learnpath::get_scorm_prereq_string(): returning modified string: '.$prereq,0);
- return $prereq;
- }
- }
- }
- /**
- * Returns the XML DOM document's node
- * @param resource Reference to a list of objects to search for the given ITEM_*
- * @param string The identifier to look for
- * @return mixed The reference to the element found with that identifier. False if not found
- */
- function get_scorm_xml_node(&$children,$id)
- {
- for($i=0;$i<$children->length;$i++){
- $item_temp = $children->item($i);
- if ($item_temp -> nodeName == 'item')
- {
- if($item_temp->getAttribute('identifier') == $id)
- {
- return $item_temp;
- }
- }
- $subchildren = $item_temp->childNodes;
- if($subchildren->length>0)
- {
- $val = $this->get_scorm_xml_node($subchildren,$id);
- if(is_object($val))
- {
- return $val;
- }
- }
- }
- return false;
- }
-
- /**
- * Returns a usable array of stats related to the current learnpath and user
- * @return array Well-formatted array containing status for the current learnpath
- */
- function get_stats()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_stats()',0);}
- //TODO
- }
- /**
- * Static method. Can be re-implemented by children. Gives an array of statistics for
- * the given course (for all learnpaths and all users)
- * @param string Course code
- * @return array Well-formatted array containing status for the course's learnpaths
- */
- function get_stats_course($course)
- {
- //if($this->debug>0){error_log('New LP - In learnpath::get_stats_course()',0);}
- //TODO
- }
- /**
- * Static method. Can be re-implemented by children. Gives an array of statistics for
- * the given course and learnpath (for all users)
- * @param string Course code
- * @param integer Learnpath ID
- * @return array Well-formatted array containing status for the specified learnpath
- */
- function get_stats_lp($course,$lp)
- {
- //if($this->debug>0){error_log('New LP - In learnpath::get_stats_lp()',0);}
- //TODO
- }
- /**
- * Static method. Can be re-implemented by children. Gives an array of statistics for
- * the given course, learnpath and user.
- * @param string Course code
- * @param integer Learnpath ID
- * @param integer User ID
- * @return array Well-formatted array containing status for the specified learnpath and user
- */
- function get_stats_lp_user($course,$lp,$user)
- {
- //if($this->debug>0){error_log('New LP - In learnpath::get_stats_lp_user()',0);}
- //TODO
- }
- /**
- * Static method. Can be re-implemented by children. Gives an array of statistics for
- * the given course and learnpath (for all users)
- * @param string Course code
- * @param integer User ID
- * @return array Well-formatted array containing status for the user's learnpaths
- */
- function get_stats_user($course,$user)
- {
- //if($this->debug>0){error_log('New LP - In learnpath::get_stats_user()',0);}
- //TODO
- }
- /**
- * Gets the status list for all LP's items
- * @return array Array of [index] => [item ID => current status]
- */
- function get_items_status_list(){
- if($this->debug>0){error_log('New LP - In learnpath::get_items_status_list()',0);}
- $list = array();
- foreach($this->ordered_items as $item_id)
- {
- $list[]= array($item_id => $this->items[$item_id]->get_status());
- }
- return $list;
- }
- /**
- * Return the number of interactions for the given learnpath Item View ID.
- * This method can be used as static.
- * @param integer Item View ID
- * @return integer Number of interactions
- */
- function get_interactions_count_from_db($lp_iv_id=0){
- if(empty($lp_iv_id)){return -1;}
- $table = Database::get_course_table('lp_iv_interaction');
- $sql = "SELECT count(*) FROM $table WHERE lp_iv_id = $lp_iv_id";
- $res = api_sql_query($sql,__FILE__,__LINE__);
- $row = Database::fetch_array($res);
- $num = $row[0];
- return $num;
- }
- /**
- * Return the interactions as an array for the given lp_iv_id.
- * This method can be used as static.
- * @param integer Learnpath Item View ID
- * @return array
- * @todo Translate labels
- */
- function get_iv_interactions_array($lp_iv_id=0){
- $list = array();
- $table = Database::get_course_table('lp_iv_interaction');
- $sql = "SELECT * FROM $table WHERE lp_iv_id = $lp_iv_id ORDER BY order_id ASC";
- $res = api_sql_query($sql,__FILE__,__LINE__);
- $num = Database::num_rows($res);
- if($num>0){
- $list[] = array(
- "order_id"=>htmlentities(get_lang('Order')),
- "id"=>htmlentities(get_lang('InteractionID')),
- "type"=>htmlentities(get_lang('Type')),
- "time"=>htmlentities(get_lang('TimeFinished')),
- "correct_responses"=>htmlentities(get_lang('CorrectAnswers')),
- "student_response"=>htmlentities(get_lang('StudentResponse')),
- "result"=>htmlentities(get_lang('Result')),
- "latency"=>htmlentities(get_lang('LatencyTimeSpent')));
- while ($row = Database::fetch_array($res)){
- $list[] = array(
- "order_id"=>($row['order_id']+1),
- "id"=>urldecode($row['interaction_id']),//urldecode because they often have %2F or stuff like that
- "type"=>$row['interaction_type'],
- "time"=>$row['completion_time'],
- //"correct_responses"=>$row['correct_responses'],
- //hide correct responses from students
- "correct_responses"=>'',
- "student_response"=>$row['student_response'],
- "result"=>$row['result'],
- "latency"=>$row['latency']);
- }
- }
- return $list;
- }
- /**
- * Return the number of objectives for the given learnpath Item View ID.
- * This method can be used as static.
- * @param integer Item View ID
- * @return integer Number of objectives
- */
- function get_objectives_count_from_db($lp_iv_id=0){
- if(empty($lp_iv_id)){return -1;}
- $table = Database::get_course_table('lp_iv_objective');
- $sql = "SELECT count(*) FROM $table WHERE lp_iv_id = $lp_iv_id";
- $res = api_sql_query($sql,__FILE__,__LINE__);
- $row = Database::fetch_array($res);
- $num = $row[0];
- return $num;
- }
- /**
- * Return the objectives as an array for the given lp_iv_id.
- * This method can be used as static.
- * @param integer Learnpath Item View ID
- * @return array
- * @todo Translate labels
- */
- function get_iv_objectives_array($lp_iv_id=0){
- $list = array();
- $table = Database::get_course_table('lp_iv_objective');
- $sql = "SELECT * FROM $table WHERE lp_iv_id = $lp_iv_id ORDER BY order_id ASC";
- $res = api_sql_query($sql,__FILE__,__LINE__);
- $num = Database::num_rows($res);
- if($num>0){
- $list[] = array(
- "order_id"=>htmlentities(get_lang('Order')),
- "objective_id"=>htmlentities(get_lang('ObjectiveID')),
- "score_raw"=>htmlentities(get_lang('ObjectiveRawScore')),
- "score_max"=>htmlentities(get_lang('ObjectiveMaxScore')),
- "score_min"=>htmlentities(get_lang('ObjectiveMinScore')),
- "status"=>htmlentities(get_lang('ObjectiveStatus')));
- while ($row = Database::fetch_array($res)){
- $list[] = array(
- "order_id"=>($row['order_id']+1),
- "objective_id"=>urldecode($row['objective_id']),//urldecode because they often have %2F or stuff like that
- "score_raw"=>$row['score_raw'],
- "score_max"=>$row['score_max'],
- "score_min"=>$row['score_min'],
- "status"=>$row['status']);
- }
- }
- return $list;
- }
- /**
- * Generate and return the table of contents for this learnpath. The (flat) table returned can be
- * used by get_html_toc() to be ready to display
- * @return array TOC as a table with 4 elements per row: title, link, status and level
- */
- function get_toc()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_toc()',0);}
- $toc = array();
- //echo "<pre>".print_r($this->items,true)."</pre>";
- foreach($this->ordered_items as $item_id)
- {
- if($this->debug>2){error_log('New LP - learnpath::get_toc(): getting info for item '.$item_id,0);}
- //TODO change this link generation and use new function instead
- $toc[] = array(
- 'id'=>$item_id,
- 'title'=>$this->items[$item_id]->get_title(),
- //'link'=>get_addedresource_link_in_learnpath('document',$item_id,1),
- 'status'=>$this->items[$item_id]->get_status(),
- 'level'=>$this->items[$item_id]->get_level(),
- 'type' =>$this->items[$item_id]->get_type(),
- 'description'=>$this->items[$item_id]->get_description(),
- );
- }
- if($this->debug>2){error_log('New LP - In learnpath::get_toc() - TOC array: '.print_r($toc,true),0);}
- return $toc;
- }
- /**
- * Gets the learning path type
- * @param boolean Return the name? If false, return the ID. Default is false.
- * @return mixed Type ID or name, depending on the parameter
- */
- function get_type($get_name = false)
- {
- $res = false;
- if($this->debug>0){error_log('New LP - In learnpath::get_type()',0);}
- if(!empty($this->type))
- {
- if($get_name)
- {
- //get it from the lp_type table in main db
- }else{
- $res = $this->type;
- }
- }
- if($this->debug>2){error_log('New LP - In learnpath::get_type() - Returning '.($res==false?'false':$res),0);}
- return $res;
- }
- /**
- * Gets the learning path type as static method
- * @param boolean Return the name? If false, return the ID. Default is false.
- * @return mixed Type ID or name, depending on the parameter
- */
- function get_type_static($lp_id=0)
- {
- $tbl_lp = Database::get_course_table('lp');
- $sql = "SELECT lp_type FROM $tbl_lp WHERE id = '".$lp_id."'";
- $res = api_sql_query($sql);
- if($res===false){ return null;}
- if(Database::num_rows($res)<=0){return null;}
- $row = Database::fetch_array($res);
- return $row['lp_type'];
- }
- /**
- * Gets a flat list of item IDs ordered for display (level by level ordered by order_display)
- * This method can be used as abstract and is recursive
- * @param integer Learnpath ID
- * @param integer Parent ID of the items to look for
- * @return mixed Ordered list of item IDs or false on error
- */
- function get_flat_ordered_items_list($lp,$parent=0){
- //if($this->debug>0){error_log('New LP - In learnpath::get_flat_ordered_items_list('.$lp.','.$parent.')',0);}
- $list = array();
- if(empty($lp)){return false;}
- $tbl_lp_item = Database::get_course_table('lp_item');
- $sql = "SELECT * FROM $tbl_lp_item WHERE lp_id = $lp AND parent_item_id = $parent ORDER BY display_order";
- $res = api_sql_query($sql,__FILE__,__LINE__);
- while($row = Database::fetch_array($res)){
- $sublist = learnpath::get_flat_ordered_items_list($lp,$row['id']);
- $list[] = $row['id'];
- foreach($sublist as $item){
- $list[] = $item;
- }
- }
- return $list;
- }
- /**
- * Uses the table generated by get_toc() and returns an HTML-formatted string ready to display
- * @return string HTML TOC ready to display
- */
- /*function get_html_toc()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_html_toc()',0);}
- $list = $this->get_toc();
- //echo $this->current;
- //$parent = $this->items[$this->current]->get_parent();
- //if(empty($parent)){$parent = $this->ordered_items[$this->items[$this->current]->get_previous_index()];}
- $html = '<div class="inner_lp_toc">'."\n" ;
- // " onchange=\"javascript:document.getElementById('toc_$parent').focus();\">\n";
- require_once('resourcelinker.inc.php');
-
- //temp variables
- $mycurrentitemid = $this->get_current_item_id();
-
- foreach($list as $item)
- {
- if($this->debug>2){error_log('New LP - learnpath::get_html_toc(): using item '.$item['id'],0);}
- //TODO complete this
- $icon_name = array('not attempted' => 'notattempted.png',
- 'incomplete' => 'incomplete.png',
- 'failed' => 'failed.png',
- 'completed' => 'completed.png',
- 'passed' => 'passed.png',
- 'succeeded' => 'succeeded.png',
- 'browsed' => 'completed.png');
-
- $style = 'scorm_item';
- if($item['id'] == $this->current){
- $style = 'scorm_item_highlight';
- }
- //the anchor will let us center the TOC on the currently viewed item &^D
- $html .= '<a name="atoc_'.$item['id'].'" /><div class="'.$style.'" style="padding-left: '.($item['level']/2).'em; padding-right:'.($item['level']/2).'em" id="toc_'.$item['id'].'" >' .
- '<img id="toc_img_'.$item['id'].'" class="scorm_status_img" src="'.$icon_name[$item['status']].'" alt="'.substr($item['status'],0,1).'" />';
-
- //$title = htmlspecialchars($item['title'],ENT_QUOTES,$this->encoding);
- $title = $item['title'];
- if(empty($title)){
- $title = rl_get_resource_name(api_get_course_id(),$this->get_id(),$item['id']);
- $title = htmlspecialchars($title,ENT_QUOTES,$this->encoding);
- }
- if(empty($title))$title = '-';
-
- if($item['type']!='dokeos_chapter' and $item['type']!='dir'){
- //$html .= "<a href='lp_controller.php?".api_get_cidReq()."&action=content&lp_id=".$this->get_id()."&item_id=".$item['id']."' target='lp_content_frame_name'>".$title."</a>" ;
- $url = $this->get_link('http',$item['id']);
- //$html .= '<a href="'.$url.'" target="content_name" onclick="top.load_item('.$item['id'].',\''.$url.'\');">'.$title.'</a>' ;
- //$html .= '<a href="" onclick="top.load_item('.$item['id'].',\''.$url.'\');return false;">'.$title.'</a>' ;
- $html .= '<a href="" onclick="dokeos_xajax_handler.switch_item(' .
- $mycurrentitemid.',' .
- $item['id'].');' .
- 'return false;" >'.$title.'</a>' ;
- }else{
- $html .= $title;
- }
- $html .= "</div>\n";
- }
- $html .= "</div>\n";
- return $html;
- }*/
-
-
- /**
- * Uses the table generated by get_toc() and returns an HTML-formatted string ready to display
- * @return string HTML TOC ready to display
- */
- function get_html_toc()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_html_toc()',0);}
- $list = $this->get_toc();
-
-
-
- //echo $this->current;
- //$parent = $this->items[$this->current]->get_parent();
- //if(empty($parent)){$parent = $this->ordered_items[$this->items[$this->current]->get_previous_index()];}
- $html .= '<div class="inner_lp_toc">'."\n" ;
- if(api_is_allowed_to_edit()){
- $mych = api_get_setting('platform_charset');
- $html.="<a href='lp_controller.php?".api_get_cidreq()."&action=build&lp_id=".$this->lp_id."' style='font-size: 11px' target='_parent'>".mb_convert_encoding(get_lang("Build"),$this->encoding,$mych)."</a>|<a style='font-size: 11px' href='lp_controller.php?".api_get_cidreq()."&action=admin_view&lp_id=".$this->lp_id."' target='_parent'>".mb_convert_encoding(get_lang("BasicOverview"),$this->encoding,$mych)."</a>|".mb_convert_encoding(get_lang("Display"),$this->encoding,$mych)."<br/><br/>";
- unset($mych);
- }
- // " onchange=\"javascript:document.getElementById('toc_$parent').focus();\">\n";
- require_once('resourcelinker.inc.php');
-
- //temp variables
- $mycurrentitemid = $this->get_current_item_id();
-
- foreach($list as $item)
- {
- if($this->debug>2){error_log('New LP - learnpath::get_html_toc(): using item '.$item['id'],0);}
- //TODO complete this
- $icon_name = array('not attempted' => 'notattempted.png',
- 'incomplete' => 'incomplete.png',
- 'failed' => 'failed.png',
- 'completed' => 'completed.png',
- 'passed' => 'passed.png',
- 'succeeded' => 'succeeded.png',
- 'browsed' => 'completed.png');
-
- $style = 'scorm_item';
- if($item['id'] == $this->current){
- $style = 'scorm_item_highlight';
- }
- //the anchor will let us center the TOC on the currently viewed item &^D
-
- if($item['type']!='dokeos_module' AND $item['type']!='dokeos_chapter'){
-
- $html .= '<a name="atoc_'.$item['id'].'" /><div class="'.$style.'" style="padding-left: '.($item['level']*1.5).'em; padding-right:'.($item['level']/2).'em" id="toc_'.$item['id'].'" title="'.$item['description'].'" >' .
- '';
-
- }
-
- else{
-
- $html .= '<div class="'.$style.'" style="padding-left: '.($item['level']*2).'em; padding-right:'.($item['level']*1.5).'em" id="toc_'.$item['id'].'" title="'.$item['description'].'" >' .
- '';
-
- }
-
- //$title = htmlspecialchars($item['title'],ENT_QUOTES,$this->encoding);
- $title = $item['title'];
- if(empty($title)){
- $title = rl_get_resource_name(api_get_course_id(),$this->get_id(),$item['id']);
- $title = htmlspecialchars($title,ENT_QUOTES,$this->encoding);
- }
- if(empty($title))$title = '-';
-
- if($item['type']!='dokeos_chapter' and $item['type']!='dir' AND $item['type']!='dokeos_module'){
- //$html .= "<a href='lp_controller.php?".api_get_cidreq()."&action=content&lp_id=".$this->get_id()."&item_id=".$item['id']."' target='lp_content_frame_name'>".$title."</a>" ;
- $url = $this->get_link('http',$item['id']);
- //$html .= '<a href="'.$url.'" target="content_name" onclick="top.load_item('.$item['id'].',\''.$url.'\');">'.$title.'</a>' ;
- //$html .= '<a href="" onclick="top.load_item('.$item['id'].',\''.$url.'\');return false;">'.$title.'</a>' ;
-
-
- $html .= '<a href="" onclick="dokeos_xajax_handler.switch_item(' .
- $mycurrentitemid.',' .
- $item['id'].');' .
- 'return false;" ><img align="absbottom" width="13" height="13" src="../img/lp_document.png"> '.stripslashes($title).'</a>' ;
-
-
- }
- elseif($item['type']=='dokeos_module' || $item['type']=='dokeos_chapter'){
- $html .= "<img align='absbottom' width='13' height='13' src='../img/lp_dokeos_module.png'> ".stripslashes($title);
- }
-
- elseif($item['type']=='dir'){
- $html .= stripslashes($title);
- }
- $html .= "<img id='toc_img_".$item['id']."' src='".$icon_name[$item['status']]."' alt='".substr($item['status'],0,1)."' /></div>\n";
- }
- $html .= "</div>\n";
- return $html;
- }
- /**
- * Gets the learnpath maker name - generally the editor's name
- * @return string Learnpath maker name
- */
- function get_maker()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_maker()',0);}
- if(!empty($this->maker)){return $this->maker;}else{return '';}
- }
- /**
- * Gets the user-friendly message stored in $this->message
- * @return string Message
- */
- function get_message(){
- if($this->debug>0){error_log('New LP - In learnpath::get_message()',0);}
- return $this->message;
- }
- /**
- * Gets the learnpath name/title
- * @return string Learnpath name/title
- */
- function get_name()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_name()',0);}
- if(!empty($this->name)){return $this->name;}else{return 'N/A';}
- }
- /**
- * Gets a link to the resource from the present location, depending on item ID.
- * @param string Type of link expected
- * @param integer Learnpath item ID
- * @return string Link to the lp_item resource
- */
- function get_link($type='http',$item_id=null)
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_link('.$type.','.$item_id.')',0);}
- if(empty($item_id))
- {
- if($this->debug>2){error_log('New LP - In learnpath::get_link() - no item id given in learnpath::get_link(), using current: '.$this->get_current_item_id(),0);}
- $item_id = $this->get_current_item_id();
- }
- if(empty($item_id)){
- if($this->debug>2){error_log('New LP - In learnpath::get_link() - no current item id found in learnpath object',0);}
- //still empty, this means there was no item_id given and we are not in an object context or
- //the object property is empty, return empty link
- $item_id = $this->first();
- return '';
- }
- $file = '';
- $lp_table = Database::get_course_table(TABLE_LP_MAIN);
- $lp_item_table = Database::get_course_table(TABLE_LP_ITEM);
- $sel = "SELECT l.lp_type as ltype, l.path as lpath, li.item_type as litype, li.path as lipath, li.parameters as liparams " .
- "FROM $lp_table l, $lp_item_table li WHERE li.id = $item_id AND li.lp_id = l.id";
- if($this->debug>2){error_log('New LP - In learnpath::get_link() - selecting item '.$sel,0);}
- $res = api_sql_query($sel);
- if(Database::num_rows($res)>0)
- {
- $row = Database::fetch_array($res);
- //var_dump($row);
- $lp_type = $row['ltype'];
- $lp_path = $row['lpath'];
- $lp_item_type = $row['litype'];
- $lp_item_path = $row['lipath'];
- $lp_item_params = $row['liparams'];
- if(empty($lp_item_params))
- {
- list($lp_item_path,$lp_item_params) = explode('?',$lp_item_path);
- }
- //$lp_item_params = '?'.$lp_item_params;
-
- //add ? if none - left commented to give freedom to scorm implementation
- //if(substr($lp_item_params,0,1)!='?'){
- // $lp_item_params = '?'.$lp_item_params;
- //}
- $sys_course_path = api_get_path(SYS_COURSE_PATH).api_get_course_path();
- if($type == 'http'){
- $course_path = api_get_path(WEB_COURSE_PATH).api_get_course_path(); //web path
- }else{
- $course_path = $sys_course_path; //system path
- }
- //now go through the specific cases to get the end of the path
- switch($lp_type){
- case 1:
- if($lp_item_type == 'dokeos_chapter'){
- $file = 'lp_content.php?type=dir';
- }else{
- require_once('resourcelinker.inc.php');
- $file = rl_get_resource_link_for_learnpath(api_get_course_id(),$this->get_id(),$item_id);
- $tmp_array=explode("/",$file);
- $document_name=$tmp_array[count($tmp_array)-1];
- if(strpos($document_name,'_DELETED_')){
- $file = 'blank.php?error=document_deleted';
- }
- }
- break;
- case 2:
- if($this->debug>2){error_log('New LP - In learnpath::get_link() '.__LINE__.' - Item type: '.$lp_item_type,0);}
- if($lp_item_type!='dir'){
- //Quite complex here:
- //we want to make sure 'http://' (and similar) links can
- //be loaded as is (withouth the Dokeos path in front) but
- //some contents use this form: resource.htm?resource=http://blablabla
- //which means we have to find a protocol at the path's start, otherwise
- //it should not be considered as an external URL
-
- //if($this->prerequisites_match($item_id)){
- if(preg_match('#^[a-zA-Z]{2,5}://#',$lp_item_path)!=0){
- if($this->debug>2){error_log('New LP - In learnpath::get_link() '.__LINE__.' - Found match for protocol in '.$lp_item_path,0);}
- //distant url, return as is
- $file = $lp_item_path;
- }else{
- if($this->debug>2){error_log('New LP - In learnpath::get_link() '.__LINE__.' - No starting protocol in '.$lp_item_path,0);}
- //prevent getting untranslatable urls
- $lp_item_path = preg_replace('/%2F/','/',$lp_item_path);
- $lp_item_path = preg_replace('/%3A/',':',$lp_item_path);
- //prepare the path
- $file = $course_path.'/scorm/'.$lp_path.'/'.$lp_item_path;
- //TODO fix this for urls with protocol header
- $file = str_replace('//','/',$file);
- $file = str_replace(':/','://',$file);
- if(substr($lp_path,-1)=='/')
- {
- $lp_path = substr($lp_path,0,-1);
- }
- if(!is_file(realpath($sys_course_path.'/scorm/'.$lp_path.'/'.$lp_item_path)))
- {//if file not found
- $decoded = html_entity_decode($lp_item_path);
- list($decoded) = explode('?',$decoded);
- if(!is_file(realpath($sys_course_path.'/scorm/'.$lp_path.'/'.$decoded)))
- {
- require_once('resourcelinker.inc.php');
- $file = rl_get_resource_link_for_learnpath(api_get_course_id(),$this->get_id(),$item_id);
- $tmp_array=explode("/",$file);
- $document_name=$tmp_array[count($tmp_array)-1];
- if(strpos($document_name,'_DELETED_')){
- $file = 'blank.php?error=document_deleted';
- }
- }
- else
- {
- $file = $course_path.'/scorm/'.$lp_path.'/'.$decoded;
- }
- }
- }
- //}else{
- //prerequisites did not match
- //$file = 'blank.php';
- //}
- //We want to use parameters if they were defined in the imsmanifest
- if($file!='blank.php')
- {
- $file.= $lp_item_params;
- }
- }else{
- $file = 'lp_content.php?type=dir';
- }
- break;
- case 3:
- if($this->debug>2){error_log('New LP - In learnpath::get_link() '.__LINE__.' - Item type: '.$lp_item_type,0);}
- //formatting AICC HACP append URL
- $aicc_append = '?aicc_sid='.urlencode(session_id()).'&aicc_url='.urlencode(api_get_path(WEB_CODE_PATH).'newscorm/aicc_hacp.php').'&';
- if($lp_item_type!='dir'){
- //Quite complex here:
- //we want to make sure 'http://' (and similar) links can
- //be loaded as is (withouth the Dokeos path in front) but
- //some contents use this form: resource.htm?resource=http://blablabla
- //which means we have to find a protocol at the path's start, otherwise
- //it should not be considered as an external URL
-
- if(preg_match('#^[a-zA-Z]{2,5}://#',$lp_item_path)!=0){
- if($this->debug>2){error_log('New LP - In learnpath::get_link() '.__LINE__.' - Found match for protocol in '.$lp_item_path,0);}
- //distant url, return as is
- $file = $lp_item_path;
- /*
- if(stristr($file,'<servername>')!==false){
- $file = str_replace('<servername>',$course_path.'/scorm/'.$lp_path.'/',$lp_item_path);
- }
- */
- $file .= $aicc_append;
- }else{
- if($this->debug>2){error_log('New LP - In learnpath::get_link() '.__LINE__.' - No starting protocol in '.$lp_item_path,0);}
- //prevent getting untranslatable urls
- $lp_item_path = preg_replace('/%2F/','/',$lp_item_path);
- $lp_item_path = preg_replace('/%3A/',':',$lp_item_path);
- //prepare the path - lp_path might be unusable because it includes the "aicc" subdir name
- $file = $course_path.'/scorm/'.$lp_path.'/'.$lp_item_path;
- //TODO fix this for urls with protocol header
- $file = str_replace('//','/',$file);
- $file = str_replace(':/','://',$file);
- $file .= $aicc_append;
- }
- }else{
- $file = 'lp_content.php?type=dir';
- }
- break;
- case 4:
- break;
- default:
- break;
- }
- }
- if($this->debug>2){error_log('New LP - In learnpath::get_link() - returning "'.$file.'" from get_link',0);}
- return $file;
- }
- /**
- * Gets the latest usable view or generate a new one
- * @param integer Optional attempt number. If none given, takes the highest from the lp_view table
- * @return integer DB lp_view id
- */
- function get_view($attempt_num=0)
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_view()',0);}
- $search = '';
- //use $attempt_num to enable multi-views management (disabled so far)
- if($attempt_num != 0 AND intval(strval($attempt_num)) == $attempt_num)
- {
- $search = 'AND view_count = '.$attempt_num;
- }
- //when missing $attempt_num, search for a unique lp_view record for this lp and user
- $lp_view_table = Database::get_course_table('lp_view');
- $sql = "SELECT id, view_count FROM $lp_view_table " .
- "WHERE lp_id = ".$this->get_id()." " .
- "AND user_id = ".$this->get_user_id()." " .
- $search .
- " ORDER BY view_count DESC";
- $res = api_sql_query($sql);
- if(Database::num_rows($res)>0)
- {
- $row = Database::fetch_array($res);
- $this->lp_view_id = $row['id'];
- }else{
- //no database record, create one
- $sql = "INSERT INTO $lp_view_table(lp_id,user_id,view_count)" .
- "VALUES (".$this->get_id().",".$this->get_user_id().",1)";
- $res = api_sql_query($sql);
- $id = Database::get_last_insert_id();
- $this->lp_view_id = $id;
- }
- return $this->lp_view_id;
- }
- /**
- * Gets the current view id
- * @return integer View ID (from lp_view)
- */
- function get_view_id()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_view_id()',0);}
- if(!empty($this->lp_view_id))
- {
- return $this->lp_view_id;
- }else{
- return 0;
- }
- }
- /**
- * Gets the update queue
- * @return array Array containing IDs of items to be updated by JavaScript
- */
- function get_update_queue()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_update_queue()',0);}
- return $this->update_queue;
- }
- /**
- * Gets the user ID
- * @return integer User ID
- */
- function get_user_id()
- {
- if($this->debug>0){error_log('New LP - In learnpath::get_user_id()',0);}
- if(!empty($this->user_id))
- {
- return $this->user_id;
- }else{
- return false;
- }
- }
- /**
- * Logs a message into a file
- * @param string Message to log
- * @return boolean True on success, false on error or if msg empty
- */
- function log($msg)
- {
- if($this->debug>0){error_log('New LP - In learnpath::log()',0);}
- //TODO
- $this->error .= $msg."\n";
- return true;
- }
- /**
- * Moves an item up and down at its level
- * @param integer Item to move up and down
- * @param string Direction 'up' or 'down'
- * @return integer New display order, or false on error
- */
- function move_item($id, $direction){
- if($this->debug>0){error_log('New LP - In learnpath::move_item('.$id.','.$direction.')',0);}
- if(empty($id) or empty($direction)){return false;}
- $tbl_lp_item = Database::get_course_table('lp_item');
- $sql_sel = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE id = " . $id;
- $res_sel = api_sql_query($sql_sel,__FILE__,__LINE__);
- //check if elem exists
- if(Database::num_rows($res_sel)<1){return false;}
- //gather data
- $row = Database::fetch_array($res_sel);
- $previous = $row['previous_item_id'];
- $next = $row['next_item_id'];
- $display = $row['display_order'];
- $parent = $row['parent_item_id'];
- $lp = $row['lp_id'];
- //update the item (switch with previous/next one)
- switch($direction)
- {
- case 'up':
- if($this->debug>2){error_log('Movement up detected',0);}
- if($display <= 1){/*do nothing*/}
- else{
- $sql_sel2 = "SELECT *
- FROM $tbl_lp_item
- WHERE id = $previous";
- if($this->debug>2){error_log('Selecting previous: '.$sql_sel2,0);}
- $res_sel2 = api_sql_query($sql_sel2,__FILE__,__LINE__);
- if(Database::num_rows($res_sel2)<1){$previous_previous = 0;}
- //gather data
- $row2 = Database::fetch_array($res_sel2);
- $previous_previous = $row2['previous_item_id'];
- //update previous_previous item (switch "next" with current)
- if($previous_previous != 0)
- {
- $sql_upd2 = "UPDATE $tbl_lp_item SET next_item_id = $id WHERE id = $previous_previous";
- if($this->debug>2){error_log($sql_upd2,0);}
- $res_upd2 = api_sql_query($sql_upd2);
- }
- //update previous item (switch with current)
- if($previous != 0)
- {
- $sql_upd2 = "UPDATE $tbl_lp_item SET next_item_id = $next, previous_item_id = $id, display_order = display_order +1 WHERE id = $previous";
- if($this->debug>2){error_log($sql_upd2,0);}
- $res_upd2 = api_sql_query($sql_upd2);
- }
- //update current item (switch with previous)
- if($id != 0){
- $sql_upd2 = "UPDATE $tbl_lp_item SET next_item_id = $previous, previous_item_id = $previous_previous, display_order = display_order-1 WHERE id = $id";
- if($this->debug>2){error_log($sql_upd2,0);}
- $res_upd2 = api_sql_query($sql_upd2);
- }
- //update next item (new previous item)
- if($next != 0){
- $sql_upd2 = "UPDATE $tbl_lp_item SET previous_item_id = $previous WHERE id = $next";
- if($this->debug>2){error_log($sql_upd2,0);}
- $res_upd2 = api_sql_query($sql_upd2);
- }
- $display = $display-1;
- }
- break;
- case 'down':
- if($this->debug>2){error_log('Movement down detected',0);}
- if($next == 0){/*do nothing*/}
- else{
- $sql_sel2 = "SELECT * FROM $tbl_lp_item WHERE id = $next";
- if($this->debug>2){error_log('Selecting next: '.$sql_sel2,0);}
- $res_sel2 = api_sql_query($sql_sel2,__FILE__,__LINE__);
- if(Database::num_rows($res_sel2)<1){$next_next = 0;}
- //gather data
- $row2 = Database::fetch_array($res_sel2);
- $next_next = $row2['next_item_id'];
- //update previous item (switch with current)
- if($previous != 0)
- {
- $sql_upd2 = "UPDATE $tbl_lp_item SET next_item_id = $next WHERE id = $previous";
- $res_upd2 = api_sql_query($sql_upd2);
- }
- //update current item (switch with previous)
- if($id != 0)
- {
- $sql_upd2 = "UPDATE $tbl_lp_item SET previous_item_id = $next, next_item_id = $next_next, display_order = display_order+1 WHERE id = $id";
- $res_upd2 = api_sql_query($sql_upd2);
- }
- //update next item (new previous item)
- if($next != 0)
- {
- $sql_upd2 = "UPDATE $tbl_lp_item SET previous_item_id = $previous, next_item_id = $id, display_order = display_order-1 WHERE id = $next";
- $res_upd2 = api_sql_query($sql_upd2);
- }
- //update next_next item (switch "previous" with current)
- if($next_next != 0)
- {
- $sql_upd2 = "UPDATE $tbl_lp_item SET previous_item_id = $id WHERE id = $next_next";
- $res_upd2 = api_sql_query($sql_upd2);
- }
- $display = $display+1;
- }
- break;
- default:
- return false;
- }
- return $display;
- }
- /**
- * Move a learnpath up (display_order)
- * @param integer Learnpath ID
- */
- function move_up($lp_id)
- {
- $lp_table = Database::get_course_table(TABLE_LP_MAIN);
- $sql = "SELECT * FROM $lp_table ORDER BY display_order";
- $res = api_sql_query($sql);
- if($res === false) return false;
- $lps = array();
- $lp_order = array();
- $num = Database::num_rows($res);
- //first check the order is correct, globally (might be wrong because
- //of versions < 1.8.4)
- if($num>0)
- {
- $i = 1;
- while($row = Database::fetch_array($res))
- {
- if($row['display_order'] != $i)
- { //if we find a gap in the order, we need to fix it
- $need_fix = true;
- $sql_u = "UPDATE $lp_table SET display_order = $i WHERE id = ".$row['id'];
- $res_u = api_sql_query($sql_u);
- }
- $row['display_order'] = $i;
- $lps[$row['id']] = $row;
- $lp_order[$i] = $row['id'];
- $i++;
- }
- }
- if($num>1) //if there's only one element, no need to sort
- {
- $order = $lps[$lp_id]['display_order'];
- if($order>1) //if it's the first element, no need to move up
- {
- $sql_u1 = "UPDATE $lp_table SET display_order = $order WHERE id = ".$lp_order[$order-1];
- $res_u1 = api_sql_query($sql_u1);
- $sql_u2 = "UPDATE $lp_table SET display_order = ".($order-1)." WHERE id = ".$lp_id;
- $res_u2 = api_sql_query($sql_u2);
- }
- }
- }
- /**
- * Move a learnpath down (display_order)
- * @param integer Learnpath ID
- */
- function move_down($lp_id)
- {
- $lp_table = Database::get_course_table(TABLE_LP_MAIN);
- $sql = "SELECT * FROM $lp_table ORDER BY display_order";
- $res = api_sql_query($sql);
- if($res === false) return false;
- $lps = array();
- $lp_order = array();
- $num = Database::num_rows($res);
- $max = 0;
- //first check the order is correct, globally (might be wrong because
- //of versions < 1.8.4)
- if($num>0)
- {
- $i = 1;
- while($row = Database::fetch_array($res))
- {
- $max = $i;
- if($row['display_order'] != $i)
- { //if we find a gap in the order, we need to fix it
- $need_fix = true;
- $sql_u = "UPDATE $lp_table SET display_order = $i WHERE id = ".$row['id'];
- $res_u = api_sql_query($sql_u);
- }
- $row['display_order'] = $i;
- $lps[$row['id']] = $row;
- $lp_order[$i] = $row['id'];
- $i++;
- }
- }
- if($num>1) //if there's only one element, no need to sort
- {
- $order = $lps[$lp_id]['display_order'];
- if($order<$max) //if it's the first element, no need to move up
- {
- $sql_u1 = "UPDATE $lp_table SET display_order = $order WHERE id = ".$lp_order[$order+1];
- $res_u1 = api_sql_query($sql_u1);
- $sql_u2 = "UPDATE $lp_table SET display_order = ".($order+1)." WHERE id = ".$lp_id;
- $res_u2 = api_sql_query($sql_u2);
- }
- }
- }
- /**
- * Updates learnpath attributes to point to the next element
- * The last part is similar to set_current_item but processing the other way around
- */
- function next()
- {
- if($this->debug>0){error_log('New LP - In learnpath::next()',0);}
- $this->last = $this->get_current_item_id();
- $this->items[$this->last]->save(false,$this->prerequisites_match($this->last));
- $this->autocomplete_parents($this->last);
- $new_index = $this->get_next_index();
- if($this->debug>2){error_log('New LP - New index: '.$new_index,0);}
- $this->index = $new_index;
- if($this->debug>2){error_log('New LP - Now having orderedlist['.$new_index.'] = '. $this->ordered_items[$new_index],0);}
- $this->current = $this->ordered_items[$new_index];
- if($this->debug>2){error_log('New LP - new item id is '.$this->current.'-'.$this->get_current_item_id(),0);}
- }
- /**
- * Open a resource = initialise all local variables relative to this resource. Depending on the child
- * class, this might be redefined to allow several behaviours depending on the document type.
- * @param integer Resource ID
- * @return boolean True on success, false otherwise
- */
- function open($id)
- {
- if($this->debug>0){error_log('New LP - In learnpath::open()',0);}
- //TODO
- //set the current resource attribute to this resource
- //switch on element type (redefine in child class?)
- //set status for this item to "opened"
- //start timer
- //initialise score
- $this->index = 0; //or = the last item seen (see $this->last)
- }
- /**
- * Check that all prerequisites are fulfilled. Returns true and an empty string on succes, returns false
- * and the prerequisite string on error.
- * This function is based on the rules for aicc_script language as described in the SCORM 1.2 CAM documentation page 108.
- * @param integer Optional item ID. If none given, uses the current open item.
- * @return boolean True if prerequisites are matched, false otherwise
- * @return string Empty string if true returned, prerequisites string otherwise.
- */
- function prerequisites_match($item = null)
- {
- if($this->debug>0){error_log('New LP - In learnpath::prerequisites_match()',0);}
- if(empty($item)){$item = $this->current;}
- if(is_object($this->items[$item]))
- {
- $prereq_string = $this->items[$item]->get_prereq_string();
- if(empty($prereq_string)){return true;}
- //clean spaces
- $prereq_string = str_replace(' ','',$prereq_string);
- if($this->debug>0){error_log('Found prereq_string: '.$prereq_string,0);}
- //now send to the parse_prereq() function that will check this component's prerequisites
- $result = $this->items[$item]->parse_prereq($prereq_string,$this->items,$this->refs_list,$this->get_user_id());
-
- if($result === false)
- {
- $this->set_error_msg($this->items[$item]->prereq_alert);
- }
- }else{
- $result = true;
- if($this->debug>1){error_log('New LP - $this->items['.$item.'] was not an object',0);}
- }
- if($this->debug>1){error_log('New LP - End of prerequisites_match(). Error message is now '.$this->error,0);}
- return $result;
- }
- /**
- * Updates learnpath attributes to point to the previous element
- * The last part is similar to set_current_item but processing the other way around
- */
- function previous()
- {
- if($this->debug>0){error_log('New LP - In learnpath::previous()',0);}
- $this->last = $this->get_current_item_id();
- $this->items[$this->last]->save(false,$this->prerequisites_match($this->last));
- $this->autocomplete_parents($this->last);
- $new_index = $this->get_previous_index();
- $this->index = $new_index;
- $this->current = $this->ordered_items[$new_index];
- }
- /**
- * Publishes a learnpath. This basically means show or hide the learnpath
- * to normal users.
- * Can be used as abstract
- * @param integer Learnpath ID
- * @param string New visibility
- */
- function toggle_visibility($lp_id,$set_visibility=1)
- {
- //if($this->debug>0){error_log('New LP - In learnpath::toggle_visibility()',0);}
- $action = 'visible';
- if($set_visibility != 1)
- {
- $action = 'invisible';
- }
- return api_item_property_update(api_get_course_info(),TOOL_LEARNPATH,$lp_id,$action,api_get_user_id());
- }
- /**
- * Publishes a learnpath. This basically means show or hide the learnpath
- * on the course homepage
- * Can be used as abstract
- * @param integer Learnpath ID
- * @param string New visibility
- */
- function toggle_publish($lp_id,$set_visibility='v')
- {
- //if($this->debug>0){error_log('New LP - In learnpath::toggle_publish()',0);}
- $tbl_lp = Database::get_course_table('lp');
- $sql="SELECT * FROM $tbl_lp where id=$lp_id";
- $result=api_sql_query($sql,__FILE__,__LINE__);
- $row=Database::fetch_array($result);
- $name=domesticate($row['name']);
- if($set_visibility == 'i') {
- $s=$name." ".get_lang('_no_published');
- $dialogBox=$s;
- $v=0;
- }
- if($set_visibility == 'v')
- {
- $s=$name." ".get_lang('_published');
- $dialogBox=$s;
- $v=1;
- }
- $tbl_tool = Database::get_course_table(TABLE_TOOL_LIST);
- $link = 'newscorm/lp_controller.php?action=view&lp_id='.$lp_id;
- $sql="SELECT * FROM $tbl_tool where name='$name' and image='scormbuilder.gif' and link LIKE '$link%'";
- $result=api_sql_query($sql,__FILE__,__LINE__);
- $num=Database::num_rows($result);
- $row2=Database::fetch_array($result);
- //if($this->debug>2){error_log('New LP - '.$sql.' - '.$num,0);}
- if(($set_visibility == 'i') && ($num>0))
- {
- $sql ="DELETE FROM $tbl_tool WHERE (name='$name' and image='scormbuilder.gif' and link LIKE '$link%')";
- }
- elseif(($set_visibility == 'v') && ($num==0))
- {
- $sql ="INSERT INTO $tbl_tool (name, link, image, visibility, admin, address, added_tool) VALUES ('$name','newscorm/lp_controller.php?action=view&lp_id=$lp_id','scormbuilder.gif','$v','0','pastillegris.gif',0)";
- }
- else
- {
- //parameter and database incompatible, do nothing
- }
- $result=api_sql_query($sql,__FILE__,__LINE__);
- //if($this->debug>2){error_log('New LP - Leaving learnpath::toggle_visibility: '.$sql,0);}
- }
- /**
- * Restart the whole learnpath. Return the URL of the first element.
- * Make sure the results are saved with anoter method. This method should probably be
- * redefined in children classes.
- * @return string URL to load in the viewer
- */
- function restart()
- {
- if($this->debug>0){error_log('New LP - In learnpath::restart()',0);}
- //TODO
- //call autosave method to save the current progress
- //$this->index = 0;
- $lp_view_table = Database::get_course_table('lp_view');
- $sql = "INSERT INTO $lp_view_table (lp_id, user_id, view_count) " .
- "VALUES (".$this->lp_id.",".$this->get_user_id().",".($this->attempt+1).")";
- if($this->debug>2){error_log('New LP - Inserting new lp_view for restart: '.$sql,0);}
- $res = api_sql_query($sql);
- if($view_id = Database::get_last_insert_id($res))
- {
- $this->lp_view_id = $view_id;
- $this->attempt = $this->attempt+1;
- }else{
- $this->error = 'Could not insert into item_view table...';
- return false;
- }
- $this->autocomplete_parents($this->current);
- foreach($this->items as $index=>$dummy){
- $this->items[$index]->restart();
- $this->items[$index]->set_lp_view($this->lp_view_id);
- }
- $this->first();
- return true;
- }
- /**
- * Saves the current item
- * @return boolean
- */
- function save_current(){
- if($this->debug>0){error_log('New LP - In learnpath::save_current()',0);}
- //TODO do a better check on the index pointing to the right item (it is supposed to be working
- // on $ordered_items[] but not sure it's always safe to use with $items[])
- if($this->debug>2){error_log('New LP - save_current() saving item '.$this->current,0);}
- if($this->debug>2){error_log(''.print_r($this->items,true),0);}
- if(is_object($this->items[$this->current])){
- //$res = $this->items[$this->current]->save(false);
- $res = $this->items[$this->current]->save(false,$this->prerequisites_match($this->current));
- $this->autocomplete_parents($this->current);
- $status = $this->items[$this->current]->get_status();
- $this->append_message('new_item_status: '.$status);
- $this->update_queue[$this->current] = $status;
- return $res;
- }
- return false;
- }
- /**
- * Saves the given item
- * @param integer Item ID. Optional (will take from $_REQUEST if null)
- * @param boolean Save from url params (true) or from current attributes (false). Optional. Defaults to true
- * @return boolean
- */
- function save_item($item_id=null,$from_outside=true){
- if($this->debug>0){error_log('New LP - In learnpath::save_item('.$item_id.','.$from_outside.')',0);}
- //TODO do a better check on the index pointing to the right item (it is supposed to be working
- // on $ordered_items[] but not sure it's always safe to use with $items[])
- if(empty($item_id)){
- $item_id = $this->escape_string($_REQUEST['id']);
- }
- if(empty($item_id))
- {
- $item_id = $this->get_current_item_id();
- }
- if($this->debug>2){error_log('New LP - save_current() saving item '.$item_id,0);}
- if(is_object($this->items[$item_id])){
- $res = $this->items[$item_id]->save($from_outside,$this->prerequisites_match($item_id));
- //$res = $this->items[$item_id]->save($from_outside);
- $this->autocomplete_parents($item_id);
- $status = $this->items[$item_id]->get_status();
- $this->append_message('new_item_status: '.$status);
- $this->update_queue[$item_id] = $status;
- return $res;
- }
- return false;
- }
- /**
- * Saves the last item seen's ID only in case
- */
- function save_last(){
- if($this->debug>0){error_log('New LP - In learnpath::save_last()',0);}
- $table = Database::get_course_table('lp_view');
- if(isset($this->current)){
- if($this->debug>2){error_log('New LP - Saving current item ('.$this->current.') for later review',0);}
- $sql = "UPDATE $table SET last_item = ".$this->get_current_item_id()." " .
- "WHERE lp_id = ".$this->get_id()." AND user_id = ".$this->get_user_id();
- if($this->debug>2){error_log('New LP - Saving last item seen : '.$sql,0);}
- $res = api_sql_query($sql,__FILE__,__LINE__);
- }
- //save progress
- list($progress,$text) = $this->get_progress_bar_text('%');
- if($progress>=0 AND $progress<=100){
- $progress= (int)$progress;
- $sql = "UPDATE $table SET progress = $progress " .
- "WHERE lp_id = ".$this->get_id()." AND " .
- "user_id = ".$this->get_user_id();
- $res = @mysql_query($sql); //ignore errors as some tables might not have the progress field just yet
- $this->progress_db = $progress;
- }
- }
- /**
- * Sets the current item ID (checks if valid and authorized first)
- * @param integer New item ID. If not given or not authorized, defaults to current
- */
- function set_current_item($item_id=null)
- {
- if($this->debug>0){error_log('New LP - In learnpath::set_current_item('.$item_id.')',0);}
- if(empty($item_id)){
- if($this->debug>2){error_log('New LP - No new current item given, ignore...',0);}
- //do nothing
- }else{
- if($this->debug>2){error_log('New LP - New current item given is '.$item_id.'...',0);}
- $item_id = $this->escape_string($item_id);
- //TODO check in database here
- $this->last = $this->current;
- $this->current = $item_id;
- //TODO update $this->index as well
- foreach($this->ordered_items as $index => $item)
- {
- if($item == $this->current)
- {
- $this->index = $index;
- break;
- }
- }
- if($this->debug>2){error_log('New LP - set_current_item('.$item_id.') done. Index is now : '.$this->index,0);}
- }
- }
- /**
- * Sets the encoding
- * @param string New encoding
- */
- function set_encoding($enc='ISO-8859-1'){
- if($this->debug>0){error_log('New LP - In learnpath::set_encoding()',0);}
- $enc = strtoupper($enc);
- $encodings = array('UTF-8','ISO-8859-1','ISO-8859-15','SHIFT-JIS');
- if(in_array($enc,$encodings)){
- $lp = $this->get_id();
- if($lp!=0){
- $tbl_lp = Database::get_course_table('lp');
- $sql = "UPDATE $tbl_lp SET default_encoding = '$enc' WHERE id = ".$lp;
- $res = api_sql_query($sql);
- return $res;
- }
- }
- return false;
- }
- /**
- * Sets the JS lib setting in the database directly.
- * This is the JavaScript library file this lp needs to load on startup
- * @param string Proximity setting
- */
- function set_jslib($lib=''){
- if($this->debug>0){error_log('New LP - In learnpath::set_jslib()',0);}
- $lp = $this->get_id();
- if($lp!=0){
- $tbl_lp = Database::get_course_table('lp');
- $sql = "UPDATE $tbl_lp SET js_lib = '$lib' WHERE id = ".$lp;
- $res = api_sql_query($sql);
- return $res;
- }else{
- return false;
- }
- }
- /**
- * Sets the name of the LP maker (publisher) (and save)
- * @param string Optional string giving the new content_maker of this learnpath
- */
- function set_maker($name=''){
- if($this->debug>0){error_log('New LP - In learnpath::set_maker()',0);}
- if(empty($name))return false;
-
- $this->maker = $this->escape_string($name);
- $lp_table = Database::get_course_table('lp');
- $lp_id = $this->get_id();
- $sql = "UPDATE $lp_table SET content_maker = '".$this->maker."' WHERE id = '$lp_id'";
- if($this->debug>2){error_log('New LP - lp updated with new content_maker : '.$this->maker,0);}
- //$res = Database::query($sql);
- $res = api_sql_query($sql);
- return true;
- }
- /**
- * Sets the name of the current learnpath (and save)
- * @param string Optional string giving the new name of this learnpath
- */
- function set_name($name=''){
- if($this->debug>0){error_log('New LP - In learnpath::set_name()',0);}
- if(empty($name))return false;
-
- $this->name = $this->escape_string($name);
- $lp_table = Database::get_course_table('lp');
- $lp_id = $this->get_id();
- $sql = "UPDATE $lp_table SET name = '".$this->name."' WHERE id = '$lp_id'";
- if($this->debug>2){error_log('New LP - lp updated with new name : '.$this->name,0);}
- //$res = Database::query($sql);
- $res = api_sql_query($sql, __FILE__, __LINE__);
-
- // if the lp is visible on the homepage, change his name there
- if(mysql_affected_rows())
- {
- $table = Database :: get_course_table(TABLE_TOOL_LIST);
- $sql = 'UPDATE '.$table.' SET
- name = "'.$this->name.'"
- WHERE link = "newscorm/lp_controller.php?action=view&lp_id='.$lp_id.'"';
- api_sql_query($sql, __FILE__, __LINE__);
- }
- return true;
- }
-
- /**
- * Sets the theme of the LP (local/remote) (and save)
- * @param string Optional string giving the new theme of this learnpath
- * @return bool returns true if theme name is not empty
- */
- function set_theme($name=''){
- if($this->debug>0){error_log('New LP - In learnpath::set_theme()',0);}
- if(empty($name))return false;
-
- $this->theme = $this->escape_string($name);
- $lp_table = Database::get_course_table('lp');
- $lp_id = $this->get_id();
- $sql = "UPDATE $lp_table SET theme = '".$this->theme."' WHERE id = '$lp_id'";
- if($this->debug>2){error_log('New LP - lp updated with new theme : '.$this->theme,0);}
- //$res = Database::query($sql);
- $res = api_sql_query($sql, __FILE__, __LINE__);
- return true;
- }
- /**
- * Sets the location/proximity of the LP (local/remote) (and save)
- * @param string Optional string giving the new location of this learnpath
- */
- function set_proximity($name=''){
- if($this->debug>0){error_log('New LP - In learnpath::set_proximity()',0);}
- if(empty($name))return false;
-
- $this->proximity = $this->escape_string($name);
- $lp_table = Database::get_course_table('lp');
- $lp_id = $this->get_id();
- $sql = "UPDATE $lp_table SET content_local = '".$this->proximity."' WHERE id = '$lp_id'";
- if($this->debug>2){error_log('New LP - lp updated with new proximity : '.$this->proximity,0);}
- //$res = Database::query($sql);
- $res = api_sql_query($sql, __FILE__, __LINE__);
- return true;
- }
- /**
- * Sets the previous item ID to a given ID. Generally, this should be set to the previous 'current' item
- * @param integer DB ID of the item
- */
- function set_previous_item($id)
- {
- if($this->debug>0){error_log('New LP - In learnpath::set_previous_item()',0);}
- $this->last = $id;
- }
- /**
- * Sets the object's error message
- * @param string Error message. If empty, reinits the error string
- * @return void
- */
- function set_error_msg($error='')
- {
- if($this->debug>0){error_log('New LP - In learnpath::set_error_msg()',0);}
- if(empty($error)){
- $this->error = '';
- }else{
- $this->error .= $error;
- }
- }
- /**
- * Launches the current item if not 'sco' (starts timer and make sure there is a record ready in the DB)
- *
- */
- function start_current_item($allow_new_attempt=false){
- if($this->debug>0){error_log('New LP - In learnpath::start_current_item()',0);}
- if($this->current != 0 AND
- is_object($this->items[$this->current]))
- {
- $type = $this->get_type();
- $item_type = $this->items[$this->current]->get_type();
- if(
- ($type == 2 && $item_type!='sco')
- OR
- ($type == 3 && $item_type!='au')
- OR
- ($type == 1 && $item_type!=TOOL_QUIZ && $item_type!=TOOL_HOTPOTATOES)
- )
- {
- $this->items[$this->current]->open($allow_new_attempt);
-
- $this->autocomplete_parents($this->current);
- $prereq_check = $this->prerequisites_match($this->current);
- $this->items[$this->current]->save(false,$prereq_check);
- //$this->update_queue[$this->last] = $this->items[$this->last]->get_status();
- }else{
- //if sco, then it is supposed to have been updated by some other call
- }
- }
- if($this->debug>0){error_log('New LP - End of learnpath::start_current_item()',0);}
- return true;
- }
- /**
- * Stops the processing and counters for the old item (as held in $this->last)
- * @param
- */
- function stop_previous_item(){
- if($this->debug>0){error_log('New LP - In learnpath::stop_previous_item()',0);}
- if($this->last != 0 AND $this->last!=$this->current AND is_object($this->items[$this->last]))
- {
- if($this->debug>2){error_log('New LP - In learnpath::stop_previous_item() - '.$this->last.' is object',0);}
- switch($this->get_type()){
- case '3':
- if($this->items[$this->last]->get_type()!='au')
- {
- if($this->debug>2){error_log('New LP - In learnpath::stop_previous_item() - '.$this->last.' in lp_type 3 is <> au',0);}
- $this->items[$this->last]->close();
- //$this->autocomplete_parents($this->last);
- //$this->update_queue[$this->last] = $this->items[$this->last]->get_status();
- }else{
- if($this->debug>2){error_log('New LP - In learnpath::stop_previous_item() - Item is an AU, saving is managed by AICC signals',0);}
- }
- case '2':
- if($this->items[$this->last]->get_type()!='sco')
- {
- if($this->debug>2){error_log('New LP - In learnpath::stop_previous_item() - '.$this->last.' in lp_type 2 is <> sco',0);}
- $this->items[$this->last]->close();
- //$this->autocomplete_parents($this->last);
- //$this->update_queue[$this->last] = $this->items[$this->last]->get_status();
- }else{
- if($this->debug>2){error_log('New LP - In learnpath::stop_previous_item() - Item is a SCO, saving is managed by SCO signals',0);}
- }
- break;
- case '1':
- default:
- if($this->debug>2){error_log('New LP - In learnpath::stop_previous_item() - '.$this->last.' in lp_type 1 is asset',0);}
- $this->items[$this->last]->close();
- break;
- }
- }else{
- if($this->debug>2){error_log('New LP - In learnpath::stop_previous_item() - No previous element found, ignoring...',0);}
- return false;
- }
- return true;
- }
- /**
- * Updates the default view mode from fullscreen to embedded and inversely
- * @return string The current default view mode ('fullscreen' or 'embedded')
- */
- function update_default_view_mode()
- {
- if($this->debug>0){error_log('New LP - In learnpath::update_default_view_mode()',0);}
- $lp_table = Database::get_course_table('lp');
- $sql = "SELECT * FROM $lp_table WHERE id = ".$this->get_id();
- $res = api_sql_query($sql);
- if(Database::num_rows($res)>0){
- $row = Database::fetch_array($res);
- $view_mode = $row['default_view_mod'];
- if($view_mode == 'fullscreen'){
- $view_mode = 'embedded';
- }elseif($view_mode == 'embedded'){
- $view_mode = 'fullscreen';
- }
- $sql = "UPDATE $lp_table SET default_view_mod = '$view_mode' WHERE id = ".$this->get_id();
- $res = api_sql_query($sql);
- $this->mode = $view_mode;
- return $view_mode;
- }else{
- if($this->debug>2){error_log('New LP - Problem in update_default_view() - could not find LP '.$this->get_id().' in DB',0);}
- }
- return -1;
- }
- /**
- * Updates the default behaviour about auto-commiting SCORM updates
- * @return boolean True if auto-commit has been set to 'on', false otherwise
- */
- function update_default_scorm_commit(){
- if($this->debug>0){error_log('New LP - In learnpath::update_default_scorm_commit()',0);}
- $lp_table = Database::get_course_table('lp');
- $sql = "SELECT * FROM $lp_table WHERE id = ".$this->get_id();
- $res = api_sql_query($sql);
- if(Database::num_rows($res)>0){
- $row = Database::fetch_array($res);
- $force = $row['force_commit'];
- if($force == 1){
- $force = 0;
- $force_return = false;
- }elseif($force == 0){
- $force = 1;
- $force_return = true;
- }
- $sql = "UPDATE $lp_table SET force_commit = $force WHERE id = ".$this->get_id();
- $res = api_sql_query($sql);
- $this->force_commit = $force_return;
- return $force_return;
- }else{
- if($this->debug>2){error_log('New LP - Problem in update_default_scorm_commit() - could not find LP '.$this->get_id().' in DB',0);}
- }
- return -1;
- }
- /**
- * Updates the order of learning paths (goes through all of them by order and fills the gaps)
- * @return bool True on success, false on failure
- */
- function update_display_order()
- {
- $lp_table = Database::get_course_table(TABLE_LP_MAIN);
- $sql = "SELECT * FROM $lp_table ORDER BY display_order";
- $res = api_sql_query($sql);
- if($res === false) return false;
- $lps = array();
- $lp_order = array();
- $num = Database::num_rows($res);
- //first check the order is correct, globally (might be wrong because
- //of versions < 1.8.4)
- if($num>0)
- {
- $i = 1;
- while($row = Database::fetch_array($res))
- {
- if($row['display_order'] != $i)
- { //if we find a gap in the order, we need to fix it
- $need_fix = true;
- $sql_u = "UPDATE $lp_table SET display_order = $i WHERE id = ".$row['id'];
- $res_u = api_sql_query($sql_u);
- }
- $i++;
- }
- }
- return true;
- }
- /**
- * Updates the "prevent_reinit" value that enables control on reinitialising items on second view
- * @return boolean True if prevent_reinit has been set to 'on', false otherwise (or 1 or 0 in this case)
- */
- function update_reinit(){
- if($this->debug>0){error_log('New LP - In learnpath::update_reinit()',0);}
- $lp_table = Database::get_course_table('lp');
- $sql = "SELECT * FROM $lp_table WHERE id = ".$this->get_id();
- $res = api_sql_query($sql);
- if(Database::num_rows($res)>0){
- $row = Database::fetch_array($res);
- $force = $row['prevent_reinit'];
- if($force == 1){
- $force = 0;
- }elseif($force == 0){
- $force = 1;
- }
- $sql = "UPDATE $lp_table SET prevent_reinit = $force WHERE id = ".$this->get_id();
- $res = api_sql_query($sql,__FILE__,__LINE__);
- $this->prevent_reinit = $force;
- return $force;
- }else{
- if($this->debug>2){error_log('New LP - Problem in update_reinit() - could not find LP '.$this->get_id().' in DB',0);}
- }
- return -1;
- }
- /**
- * Updates the "scorm_debug" value that shows or hide the debug window
- * @return boolean True if scorm_debug has been set to 'on', false otherwise (or 1 or 0 in this case)
- */
- function update_scorm_debug(){
- if($this->debug>0){error_log('New LP - In learnpath::update_scorm_debug()',0);}
- $lp_table = Database::get_course_table('lp');
- $sql = "SELECT * FROM $lp_table WHERE id = ".$this->get_id();
- $res = api_sql_query($sql);
- if(Database::num_rows($res)>0){
- $row = Database::fetch_array($res);
- $force = $row['debug'];
- if($force == 1){
- $force = 0;
- }elseif($force == 0){
- $force = 1;
- }
- $sql = "UPDATE $lp_table SET debug = $force WHERE id = ".$this->get_id();
- $res = api_sql_query($sql,__FILE__,__LINE__);
- $this->scorm_debug = $force;
- return $force;
- }else{
- if($this->debug>2){error_log('New LP - Problem in update_scorm_debug() - could not find LP '.$this->get_id().' in DB',0);}
- }
- return -1;
- }
-
- /**
- * Function that makes a call to the function sort_tree_array and create_tree_array
- *
- * @author Kevin Van Den Haute
- *
- * @param unknown_type $array
- */
- function tree_array($array)
- {
- $array = $this->sort_tree_array($array);
- $this->create_tree_array($array);
- }
- /**
- * Creates an array with the elements of the learning path tree in it
- *
- * @author Kevin Van Den Haute
- *
- * @param array $array
- * @param int $parent
- * @param int $depth
- * @param array $tmp
- */
- function create_tree_array($array, $parent = 0, $depth = -1, $tmp = array())
- {
- if(is_array($array))
- {
- for($i = 0; $i < count($array); $i++)
- {
- if($array[$i]['parent_item_id'] == $parent)
- {
- if(!in_array($array[$i]['parent_item_id'], $tmp))
- {
- $tmp[] = $array[$i]['parent_item_id'];
- $depth++;
- }
-
- $this->arrMenu[] = array(
- 'id' => $array[$i]['id'],
- 'item_type' => $array[$i]['item_type'],
- 'title' => $array[$i]['title'],
- 'path' => $array[$i]['path'],
- 'description' => $array[$i]['description'],
- 'parent_item_id' => $array[$i]['parent_item_id'],
- 'previous_item_id' => $array[$i]['previous_item_id'],
- 'next_item_id' => $array[$i]['next_item_id'],
- 'min_score' => $array[$i]['min_score'],
- 'max_score' => $array[$i]['max_score'],
- 'mastery_score' => $array[$i]['mastery_score'],
- 'display_order' => $array[$i]['display_order'],
- 'prerequisite' => $array[$i]['prerequisite'],
- 'depth' => $depth
- );
-
- $this->create_tree_array($array, $array[$i]['id'], $depth, $tmp);
- }
- }
- }
- }
-
- /**
- * Sorts a multi dimensional array by parent id and display order
- * @author Kevin Van Den Haute
- *
- * @param array $array (array with al the learning path items in it)
- *
- * @return array
- */
- function sort_tree_array($array)
- {
- foreach($array as $key => $row)
- {
- $parent[$key] = $row['parent_item_id'];
- $position[$key] = $row['display_order'];
- }
-
- if(count($array) > 0)
- array_multisort($parent, SORT_ASC, $position, SORT_ASC, $array);
-
- return $array;
- }
-
-
-
- /**
- * Function that creates a table structure with a learning path his modules, chapters and documents.
- * Also the actions for the modules, chapters and documents are in this table.
- *
- * @author Kevin Van Den Haute
- *
- * @param int $lp_id
- *
- * @return string
- */
- function overview()
- {
- $return = '';
-
- $tbl_lp_item = Database::get_course_table('lp_item');
-
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->lp_id;
-
- $result = api_sql_query($sql, __FILE__, __LINE__);
-
- $arrLP = array();
-
- while($row = Database::fetch_array($result))
- {
- $arrLP[] = array(
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => $row['title'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'display_order' => $row['display_order']);
- }
-
- $this->tree_array($arrLP);
-
- $arrLP = $this->arrMenu;
-
- unset($this->arrMenu);
-
- if(api_is_allowed_to_edit())
- $return .= '<p><a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=build&lp_id=' . $this->lp_id . '">'.get_lang("Advanced").'</a>|'.get_lang("BasicOverview").'|<a href="lp_controller.php?cidReq='.$_GET['cidReq'].'&action=view&lp_id='.$this->lp_id.'">'.get_lang("Display").'</a></p>';
-
- $return .= '<table class="data_table">' . "\n";
-
- $return .= "\t" . '<tr>' . "\n";
-
- $return .= "\t" . '<th width="75%">'.get_lang("Title").'</th>' . "\n";
- //$return .= "\t" . '<th>'.get_lang("Description").'</th>' . "\n";
- $return .= "\t" . '<th>'.get_lang("Move").'</th>' . "\n";
- $return .= "\t" . '<th>'.get_lang("Actions").'</th>' . "\n";
-
- $return .= "\t" . '</tr>' . "\n";
-
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($arrLP[$i]['description'] == '')
- $arrLP[$i]['description'] = ' ';
-
- if (($i % 2)==0) { $oddclass="row_odd"; } else { $oddclass="row_even"; }
-
- $return .= "\t" . '<tr class="'.$oddclass.'">' . "\n";
-
- $return .= "\t\t" . '<td style="padding-left:' . $arrLP[$i]['depth'] * 10 . 'px;"><img align="left" src="../img/lp_' . $arrLP[$i]['item_type'] . '.png" style="margin-right:3px;" />' . stripslashes($arrLP[$i]['title']) . '</td>' . "\n";
- //$return .= "\t\t" . '<td>' . stripslashes($arrLP[$i]['description']) . '</td>' . "\n";
-
- if(api_is_allowed_to_edit())
- {
- $return .= "\t\t" . '<td>' . "\n";
-
- if($arrLP[$i]['previous_item_id'] != 0)
- {
- $return .= "\t\t\t" . '<a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=move_item&direction=up&id=' . $arrLP[$i]['id'] . '&lp_id=' . $this->lp_id . '">';
- $return .= '<img alt="" src="../img/arrow_up_' . ($arrLP[$i]['depth'] % 3) . '.gif" />';
- $return .= '</a>' . "\n";
- }
- else
- $return .= "\t\t\t" . '<img alt="" src="../img/blanco.png" title="" />' . "\n";
-
- if($arrLP[$i]['next_item_id'] != 0)
- {
- $return .= "\t\t\t" . '<a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=move_item&direction=down&id=' . $arrLP[$i]['id'] . '&lp_id=' . $this->lp_id . '">';
- $return .= '<img src="../img/arrow_down_' . ($arrLP[$i]['depth'] % 3) . '.gif" />';
- $return .= '</a>' . "\n";
- }
- else
- $return .= "\t\t\t" . '<img alt="" src="../img/blanco.png" title="" />' . "\n";
-
- $return .= "\t\t" . '</td>' . "\n";
-
- $return .= "\t\t" . '<td>' . "\n";
-
- if($arrLP[$i]['item_type'] != 'dokeos_chapter' && $arrLP[$i]['item_type'] != 'dokeos_module')
- {
- $return .= "\t\t\t" . '<a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=edit_item&view=build&id=' . $arrLP[$i]['id'] . '&lp_id=' . $this->lp_id . '">';
- $return .= '<img alt="" src="../img/edit.gif" title="' . get_lang('_edit_learnpath_module') . '" />';
- $return .= '</a>' . "\n";
- }
- else
- {
- $return .= "\t\t\t" . '<a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=edit_item&id=' . $arrLP[$i]['id'] . '&lp_id=' . $this->lp_id . '">';
- $return .= '<img alt="" src="../img/edit.gif" title="' . get_lang('_edit_learnpath_module') . '" />';
- $return .= '</a>' . "\n";
- }
-
- $return .= "\t\t\t" . '<a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=delete_item&id=' . $arrLP[$i]['id'] . '&lp_id=' . $this->lp_id . '" onclick="return confirmation(\'' . $arrLP[$i]['title'] . '\');">';
- $return .= '<img alt="" src="../img/delete.gif" title="' . get_lang('_delete_learnpath_module') . '" />';
- $return .= '</a>' . "\n";
-
- $return .= "\t\t" . '</td>' . "\n";
- }
-
- $return .= "\t" . '</tr>' . "\n";
- }
-
- if(count($arrLP) == 0)
- {
- $return .= "\t" . '<tr>' . "\n";
- $return .= "\t\t" . '<td colspan="4">'.get_lang("NoItemsInLp").'</td>' . "\n";
- $return .= "\t" . '</tr>' . "\n";
- }
-
- $return .= '</table>' . "\n";
-
- return $return;
- }
-
- /**
- * This functions builds the LP tree based on data from the database.
- *
- * @return string
- * @uses dtree.js :: necessary javascript for building this tree
- */
- function build_tree()
- {
- $return = "<script type=\"text/javascript\">\n";
-
- $return .= "\tm = new dTree('m');\n\n";
-
- $return .= "\tm.config.folderLinks = true;\n";
- $return .= "\tm.config.useCookies = true;\n";
- $return .= "\tm.config.useIcons = true;\n";
- $return .= "\tm.config.useLines = true;\n";
- $return .= "\tm.config.useSelection = true;\n";
- $return .= "\tm.config.useStatustext = false;\n\n";
-
- $menu = 0;
- $parent = '';
-
- $return .= "\tm.add(" . $menu . ", -1, '" . addslashes($this->name) . "');\n";
-
- $tbl_lp_item = Database::get_course_table('lp_item');
-
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->lp_id;
-
- $result = api_sql_query($sql, __FILE__, __LINE__);
-
- $arrLP = array();
-
- while($row = Database::fetch_array($result))
- {
- if($this->encoding=='UTF-8')
- {
- $row['title'] = utf8_decode($row['title']);
- }
- $arrLP[] = array(
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => addslashes($row['title']),
- 'path' => $row['path'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'display_order' => $row['display_order']);
- }
-
- $this->tree_array($arrLP);
-
- $arrLP = $this->arrMenu;
-
- unset($this->arrMenu);
-
- for($i = 0; $i < count($arrLP); $i++)
- {
- $menu_page = api_get_self() . '?cidReq=' . $_GET['cidReq'] . '&action=view_item&id=' . $arrLP[$i]['id'] . '&lp_id=' . $_SESSION['oLP']->lp_id;
- if(file_exists("../img/lp_" . $arrLP[$i]['item_type'] . ".png"))
- {
- $return .= "\tm.add(" . $arrLP[$i]['id'] . ", " . $arrLP[$i]['parent_item_id'] . ", '" . stripslashes($arrLP[$i]['title']) . "', '" . $menu_page . "', '', '', '../img/lp_" . $arrLP[$i]['item_type'] . ".png', '../img/lp_" . $arrLP[$i]['item_type'] . ".png');\n";
- }
- else if(file_exists("../img/lp_" . $arrLP[$i]['item_type'] . ".gif"))
- {
- $return .= "\tm.add(" . $arrLP[$i]['id'] . ", " . $arrLP[$i]['parent_item_id'] . ", '" . stripslashes($arrLP[$i]['title']) . "', '" . $menu_page . "', '', '', '../img/lp_" . $arrLP[$i]['item_type'] . ".gif', '../img/lp_" . $arrLP[$i]['item_type'] . ".gif');\n";
- }
- else
- {
- $return .= "\tm.add(" . $arrLP[$i]['id'] . ", " . $arrLP[$i]['parent_item_id'] . ", '" . stripslashes($arrLP[$i]['title']) . "', '" . $menu_page . "', '', '', '../img/lp_document.png', '../img/lp_document.png');\n";
- }
- if($menu < $arrLP[$i]['id'])
- $menu = $arrLP[$i]['id'];
- }
-
- $return .= "\n\tdocument.write(m);\n";
- $return .= "\t if(!m.selectedNode) m.s(1);";
- $return .= "</script>\n";
-
- return $return;
- }
-
- /**
- * Create a new document //still needs some finetuning
- *
- * @param array $_course
- * @return string
- */
- function create_document($_course)
- {
- $dir = isset($_GET['dir']) ? $_GET['dir'] : $_POST['dir']; // please do not modify this dirname formatting
-
- if(strstr($dir, '..'))
- $dir = '/';
-
- if($dir[0] == '.')
- $dir = substr($dir, 1);
-
- if($dir[0] != '/')
- $dir = '/'.$dir;
-
- if($dir[strlen($dir) - 1] != '/')
- $dir .= '/';
-
- $filepath = api_get_path('SYS_COURSE_PATH') . $_course['path'] . '/document' . $dir;
-
- if(!is_dir($filepath))
- {
- $filepath = api_get_path('SYS_COURSE_PATH') . $_course['path'] . '/document/';
-
- $dir = '/';
- }
-
- //stripslashes before calling replace_dangerous_char() because $_POST['title']
- //is already escaped twice when it gets here
- $title = replace_dangerous_char(stripslashes($_POST['title']));
- $filename = $title;
- $content = $_POST['content_lp'];
-
- $tmp_filename = $filename;
-
- $i=0;
- while(file_exists($filepath . $tmp_filename . '.html'))
- $tmp_filename = $filename . '_' . ++$i;
-
- $filename = $tmp_filename . '.html';
-
- $content = stripslashes(text_filter($content));
-
- //if flv player, change absolute paht temporarely to prevent from erasing it in the following lines
- $content = str_replace('flv=h','flv=h|',$content);
- $content = str_replace('flv=/','flv=/|',$content);
-
- $content = str_replace(api_get_path('WEB_COURSE_PATH'), api_get_path(REL_PATH).'courses/', $content);
-
- // for flv player : change back the url to absolute
- $content = str_replace('flv=h|','flv=h',$content);
- $content = str_replace('flv=/|','flv=/',$content);
-
-
- // for flv player : to prevent edition problem with firefox, we have to use a strange tip (don't blame me please)
- $content = str_replace('</body>','<style type="text/css">body{}</style></body>',$content);
-
-
- if(!file_exists($filepath . $filename))
- {
- if($fp = @fopen($filepath . $filename, 'w'))
- {
- fputs($fp, $content);
- fclose($fp);
-
- $file_size = filesize($filepath . $filename);
- $save_file_path = $dir . $filename;
-
- $document_id = add_document($_course, $save_file_path, 'file', $file_size, $filename . '.html');
-
- if($document_id)
- {
- api_item_property_update($_course, TOOL_DOCUMENT, $document_id, 'DocumentAdded', api_get_user_id());
-
- //update parent folders
- //item_property_update_on_folder($_course, $_GET['dir'], $_user['user_id']);
-
- $new_comment = (isset($_POST['comment'])) ? trim($_POST['comment']) : '';
- $new_title = (isset($_POST['title'])) ? trim($_POST['title']) : '';
-
- if($new_comment || $new_title)
- {
- $tbl_doc = Database::get_course_table(TABLE_DOCUMENT);
- $ct = '';
-
- if($new_comment)
- $ct .= ", comment='" . $new_comment . "'";
-
- if($new_title)
- $ct .= ", title='" . $new_title . ".html '";
-
- $sql_update = "
- UPDATE " . $tbl_doc . "
- SET " . substr($ct, 1) . "
- WHERE id = " . $document_id;
- api_sql_query($sql_update, __FILE__, __LINE__);
- }
- }
-
- return $document_id;
- }
- }
- }
-
- /**
- * Enter description here...
- *
- * @param array $_course
- */
- function edit_document($_course)
- {
- global $_configuration;
-
-
- $dir = isset($_GET['dir']) ? $_GET['dir'] : $_POST['dir']; // please do not modify this dirname formatting
-
- if(strstr($dir, '..'))
- $dir = '/';
-
- if($dir[0] == '.')
- $dir = substr($dir, 1);
-
- if($dir[0] != '/')
- $dir = '/'.$dir;
-
- if($dir[strlen($dir) - 1] != '/')
- $dir .= '/';
-
- $filepath = api_get_path('SYS_COURSE_PATH') . $_course['path'] . '/document'.$dir;
-
- if(!is_dir($filepath))
- {
- $filepath = api_get_path('SYS_COURSE_PATH') . $_course['path'] . '/document/';
-
- $dir = '/';
- }
-
- $table_doc = Database::get_course_table(TABLE_DOCUMENT);
-
- $sql = "
- SELECT path
- FROM " . $table_doc . "
- WHERE id = " . $_POST['path'];
- $res = api_sql_query($sql, __FILE__, __LINE__);
- $row = Database::fetch_array($res);
- $content = stripslashes($_POST['content_lp']);
- $file = $filepath . $row['path'];
-
-
- if($fp = @fopen($file, 'w'))
- {
- $content = text_filter($content);
- $content = str_replace(api_get_path('WEB_COURSE_PATH'), $_configuration['url_append'].'/courses/', $content);
-
- fputs($fp, $content);
- fclose($fp);
- }
- }
-
- /**
- * Displays the selected item, with a panel for manipulating the item
- *
- * @param int $item_id
- * @param string $msg
- * @return string
- */
- function display_item($item_id, $iframe = true, $msg = '')
- {
- global $_course; //will disappear
-
- $return = '';
-
- if(is_numeric($item_id))
- {
- $tbl_lp_item = Database::get_course_table('lp_item');
- $tbl_doc = Database::get_course_table(TABLE_DOCUMENT);
-
- $sql = "
- SELECT
- lp.*
- FROM " . $tbl_lp_item . " as lp
- WHERE
- lp.id = " . $item_id;
-
- $result = api_sql_query($sql, __FILE__, __LINE__);
-
- while($row = Database::fetch_array($result))
- {
- $return .= $this->display_manipulate($item_id, $row['item_type']);
-
- $return .= '<div style="padding:10px;">';
-
- if($msg != '')
- $return .= $msg;
-
- if($this->encoding=='UTF-8')
- {
- $row['title'] = utf8_decode($row['title']);
- }
-
- $return .= '<p class="lp_title">' . stripslashes($row['title']) . '</p>';
- //$return .= '<p class="lp_text">' . ((trim($row['description']) == '') ? 'no description' : stripslashes($row['description'])) . '</p>';
-
- //$return .= '<hr />';
-
- if($row['item_type'] == TOOL_DOCUMENT)
- {
- $tbl_doc = Database :: get_course_table(TABLE_DOCUMENT);
- $sql_doc = "SELECT path FROM " . $tbl_doc . " WHERE id = " . $row['path'];
- $result=api_sql_query($sql_doc);
- $path_file=mysql_result($result,0,0);
- $path_parts = pathinfo($path_file);
-
- if(in_array($path_parts['extension'],array('html','txt','png', 'jpg', 'JPG', 'jpeg', 'JPEG', 'gif', 'swf')))
- {
- $return .= $this->display_document($row['path'], true, true);
- }
- }
-
- $return .= '</div>';
- }
- }
-
- return $return;
- }
-
- /**
- * Shows the needed forms for editing a specific item
- *
- * @param int $item_id
- * @return string
- */
- function display_edit_item($item_id)
- {
- global $_course; //will disappear
-
- $return = '';
-
- if(is_numeric($item_id))
- {
- $tbl_lp_item = Database::get_course_table('lp_item');
-
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE id = " . $item_id;
-
- $res = api_sql_query($sql, __FILE__, __LINE__);
- $row = Database::fetch_array($res);
- switch($row['item_type'])
- {
- case 'dokeos_chapter': case 'dir' : case 'asset' : case 'sco' :
- if(isset($_GET['view']) && $_GET['view'] == 'build')
- {
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_item_form($row['item_type'], get_lang("EditCurrentChapter").' :', 'edit', $item_id, $row);
- }
- else
- {
- $return .= $this->display_item_small_form($row['item_type'], get_lang("EditCurrentChapter").' :', $row);
- }
-
- break;
-
- case TOOL_DOCUMENT:
-
- $tbl_doc = Database::get_course_table(TABLE_DOCUMENT);
-
- $sql_step = "
- SELECT
- lp.*,
- doc.path as dir
- FROM " . $tbl_lp_item . " as lp
- LEFT JOIN " . $tbl_doc . " as doc ON doc.id = lp.path
- WHERE
- lp.id = " . $item_id;
- $res_step = api_sql_query($sql_step, __FILE__, __LINE__);
- $row_step = Database::fetch_array($res_step);
-
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_document_form('edit', $item_id, $row_step);
-
- break;
-
- case TOOL_LINK:
-
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_link_form('edit', $item_id, $row);
-
- break;
-
- case 'dokeos_module':
-
- if(isset($_GET['view']) && $_GET['view'] == 'build')
- {
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_item_form($row['item_type'], get_lang("EditCurrentModule").' :', 'edit', $item_id, $row);
- }
- else
- {
- $return .= $this->display_item_small_form($row['item_type'], get_lang("EditCurrentModule").' :', $row);
- }
-
- break;
-
- case TOOL_QUIZ:
-
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_quiz_form('edit', $item_id, $row);
-
- break;
-
- case TOOL_HOTPOTATOES:
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_hotpotatoes_form('edit', $item_id, $row);
- break;
-
-
- case TOOL_STUDENTPUBLICATION:
-
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_student_publication_form('edit', $item_id, $row);
-
- break;
-
- case TOOL_FORUM:
-
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_forum_form('edit', $item_id, $row);
-
- break;
-
- case TOOL_THREAD:
-
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_thread_form('edit', $item_id, $row);
-
- break;
- }
- }
-
- return $return;
- }
-
- /**
- * Function that displays a list with al the resources that could be added to the learning path
- *
- * @return string
- */
- function display_resources()
- {
- global $_course; //TODO: don't use globals
-
- $return = '<div style="margin:3px 10px;">' . "\n";
-
- $return .= '<p class="lp_title" style="margin-top:0;">'.get_lang("CreateNewStep").'</p>';
-
- $return .= '<div><a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=add_item&type=' . TOOL_DOCUMENT . '&lp_id=' . $_SESSION['oLP']->lp_id . '">'.get_lang("NewDocument").'</a></div>';
-
- $return .= '<p class="lp_title" style="margin-top:10px;">'.get_lang("UseAnExistingResource").'</p>';
-
- /* get all the docs */
- $return .= $this->get_documents();
-
- /* get all the exercises */
- $return .= $this->get_exercises();
-
- /* get all the links */
- $return .= $this->get_links();
-
- /* get al the student publications */
- $return .= $this->get_student_publications();
-
- /* get al the forums */
- $return .= $this->get_forums();
-
- $return .= '</div>' . "\n";
-
- return $return;
- }
-
- /**
- * Returns the extension of a document
- *
- * @param unknown_type $filename
- * @return unknown
- */
- function get_extension($filename)
- {
- $explode = explode('.', $filename);
-
- return $explode[count($explode) - 1];
- }
-
- /**
- * Displays a document by id
- *
- * @param unknown_type $id
- * @return unknown
- */
- function display_document($id, $show_title = false, $iframe = true, $edit_link = false)
- {
- global $_course; //temporary
-
- $return = '';
-
- $tbl_doc = Database::get_course_table(TABLE_DOCUMENT);
-
- $sql_doc = "
- SELECT *
- FROM " . $tbl_doc . "
- WHERE id = " . $id;
- $res_doc = api_sql_query($sql_doc, __FILE__, __LINE__);
- $row_doc = Database::fetch_array($res_doc);
-
- //if($show_title)
- //$return .= '<p class="lp_title">' . $row_doc['title'] . ($edit_link ? ' [ <a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=add_item&type=' . TOOL_DOCUMENT . '&file=' . $_GET['file'] . '&edit=true&lp_id=' . $_GET['lp_id'] . '">Edit this document</a> ]' : '') . '</p>';
-
- //TODO: add a path filter
- if($iframe){
- $return .= '<iframe frameborder="0" src="' . api_get_path(WEB_COURSE_PATH) . $_course['path'] . '/document' . str_replace('%2F','/',urlencode($row_doc['path'])) . '?'.api_get_cidreq().'" style="background:#FFFFFF; border:1px solid #CCCCCC; height:490px; width:100%; margin-top: 20px;"></iframe>';
- }
- else{
- $return .= file_get_contents(api_get_path(SYS_COURSE_PATH) . $_course['path'] . '/document' . $row_doc['path']);
- }
-
- return $return;
- }
-
- /**
- * Enter description here...
- *
- * @param unknown_type $action
- * @param unknown_type $id
- * @param unknown_type $extra_info
- * @return unknown
- */
- function display_quiz_form($action = 'add', $id = 0, $extra_info = '')
- {
-
- $tbl_lp_item = Database::get_course_table(TABLE_LP_ITEM);
- $tbl_quiz = Database::get_course_table(TABLE_QUIZ_TEST);
-
- if($id != 0 && is_array($extra_info))
- {
- $item_title = stripslashes($extra_info['title']);
- $item_description = stripslashes($extra_info['description']);
- }
- elseif(is_numeric($extra_info))
- {
- $sql_quiz = "
- SELECT
- title,
- description
- FROM " . $tbl_quiz . "
- WHERE id = " . $extra_info;
-
- $result = api_sql_query($sql_quiz, __FILE__, __LINE__);
- $row = Database::fetch_array($result);
-
- $item_title = $row['title'];
- $item_description = $row['description'];
- }
- else
- {
- $item_title = '';
- $item_description = '';
- }
-
- $return = '<div style="margin:3px 10px;">';
-
- if($id != 0 && is_array($extra_info))
- $parent = $extra_info['parent_item_id'];
- else
- $parent = 0;
-
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->lp_id;
-
- $result = api_sql_query($sql, __FILE__, __LINE__);
-
- $arrLP = array();
-
- while($row = Database::fetch_array($result))
- {
- $arrLP[] = array(
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => $row['title'],
- 'path' => $row['path'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'display_order' => $row['display_order'],
- 'prerequisite' => $row['prerequisite']);
- }
-
- $this->tree_array($arrLP);
-
- $arrLP = $this->arrMenu;
-
- unset($this->arrMenu);
-
- if($action == 'add')
- $return .= '<p class="lp_title">'.get_lang("CreateTheExercise").' :</p>' . "\n";
- elseif($action == 'move')
- $return .= '<p class="lp_title">'.get_lang("MoveTheCurrentExercise").' :</p>' . "\n";
- else
- $return .= '<p class="lp_title">'.get_lang("EditCurrentExecice").' :</p>' . "\n";
-
- if(isset($_GET['edit']) && $_GET['edit'] == 'true')
- {
- $return .= '<div class="lp_message" style="margin-bottom:15px;">';
-
- $return .= '<p class="lp_title">'.get_lang("Warning").' !</p>';
- $return .= get_lang("WarningEditingDocument");
-
- $return .= '</div>';
- }
-
- $return .= '<form method="POST">' . "\n";
-
- $return .= "\t" . '<table cellpadding="0" cellspacing="0" class="lp_form">' . "\n";
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idParent">'.get_lang("Parent").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input">' . "\n";
-
- $return .= "\t\t\t\t" . '<select id="idParent" name="parent" onchange="load_cbo(this.value);" size="1">';
-
- $return .= "\t\t\t\t\t" . '<option class="top" value="0">' . $this->name . '</option>';
-
- $arrHide = array($id);
-
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($action != 'add')
- {
- if(($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') && !in_array($arrLP[$i]['id'], $arrHide) && !in_array($arrLP[$i]['parent_item_id'], $arrHide))
- {
- $return .= "\t\t\t\t\t" . '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . html_entity_decode(stripslashes($arrLP[$i]['title'])) . '</option>';
- }
- else
- {
- $arrHide[] = $arrLP[$i]['id'];
- }
- }
- else
- {
- if($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir')
- $return .= "\t\t\t\t\t" . '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . html_entity_decode(stripslashes($arrLP[$i]['title'])) . '</option>';
- }
- }
-
- reset($arrLP);
-
- $return .= "\t\t\t\t" . '</select>';
-
- $return .= "\t\t\t" . '</td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idPosition">'.get_lang("Position").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input">' . "\n";
-
- $return .= "\t\t\t\t" . '<select id="idPosition" name="previous" size="1">';
-
- $return .= "\t\t\t\t\t" . '<option class="top" value="0">First position</option>';
-
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id)
- {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $selected = 'selected="selected" ';
- elseif($action == 'add')
- $selected = 'selected="selected" ';
- else
- $selected = '';
-
- $return .= "\t\t\t\t\t" . '<option ' . $selected . 'value="' . $arrLP[$i]['id'] . '">'.get_lang("After").' "' . html_entity_decode(stripslashes($arrLP[$i]['title'])) . '"</option>';
- }
- }
-
- $return .= "\t\t\t\t" . '</select>';
-
- $return .= "\t\t\t" . '</td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- if($action != 'move')
- {
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idTitle">'.get_lang("Title").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><input id="idTitle" name="title" type="text" value="' . $item_title . '" /></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
-
- $id_prerequisite=0;
- foreach($arrLP as $key=>$value){
- if($value['id']==$id){
- $id_prerequisite=$value['prerequisite'];
- break;
- }
- }
-
- $arrHide=array();
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter')
- {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $s_selected_position=$arrLP[$i]['id'];
- elseif($action == 'add')
- $s_selected_position=0;
- $arrHide[$arrLP[$i]['id']]['value']=html_entity_decode(stripslashes($arrLP[$i]['title']));
-
- }
- }
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idPrerequisites">'.get_lang("Prerequisites").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><select name="prerequisites" id="prerequisites" style="background:#F8F8F8; border:1px solid #999999; font-family:Arial, Verdana, Helvetica, sans-serif; font-size:12px; width:300px;"><option value="0">'.get_lang("NoPrerequisites").'</option>';
-
- foreach($arrHide as $key => $value){
- if($key==$s_selected_position && $action == 'add'){
- $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
- }
- elseif($key==$id_prerequisite && $action == 'edit'){
- $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
- }
- else{
- $return .= '<option value="'.$key.'">'.$value['value'].'</option>';
- }
- }
-
- $return .= "</select></td>";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- //Remove temporaly the test description
- //$return .= "\t\t\t" . '<td class="label"><label for="idDescription">'.get_lang("Description").' :</label></td>' . "\n";
- //$return .= "\t\t\t" . '<td class="input"><textarea id="idDescription" name="description" rows="4">' . $item_description . '</textarea></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
- }
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td colspan="2"><input class="button" name="submit_button" type="submit" value="OK" /></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t" . '</table>' . "\n";
-
- if($action == 'move')
- {
- $return .= "\t" . '<input name="title" type="hidden" value="' . $item_title . '" />' . "\n";
- $return .= "\t" . '<input name="description" type="hidden" value="' . $item_description . '" />' . "\n";
- }
-
- if(is_numeric($extra_info))
- {
- $return .= "\t" . '<input name="path" type="hidden" value="' . $extra_info . '" />' . "\n";
- }
- elseif(is_array($extra_info))
- {
- $return .= "\t" . '<input name="path" type="hidden" value="' . $extra_info['path'] . '" />' . "\n";
- }
-
- $return .= "\t" . '<input name="type" type="hidden" value="'.TOOL_QUIZ.'" />' . "\n";
- $return .= "\t" . '<input name="post_time" type="hidden" value="' . time() . '" />' . "\n";
-
- $return .= '</form>' . "\n";
-
- $return .= '</div>' . "\n";
- return $return;
- }
- /**
- * Addition of Hotpotatoes tests
- * @param string Action
- * @param integer Internal ID of the item
- * @param mixed Extra information - can be an array with title and description indexes
- * @return string HTML structure to display the hotpotatoes addition formular
- */
- function display_hotpotatoes_form($action = 'add', $id = 0, $extra_info = '')
- {
- $uploadPath = DIR_HOTPOTATOES; //defined in main_api
- $tbl_lp_item = Database::get_course_table('lp_item');
- if($id != 0 && is_array($extra_info))
- {
- $item_title = stripslashes($extra_info['title']);
- $item_description = stripslashes($extra_info['description']);
- }
- elseif(is_numeric($extra_info))
- {
- $TBL_DOCUMENT = Database::get_course_table(TABLE_DOCUMENT);
- $sql_hot = "SELECT * FROM ".$TBL_DOCUMENT."
- WHERE path LIKE '".$uploadPath."/%/%htm%'
- ORDER BY id ASC";
-
-
- $res_hot = api_sql_query($sql_hot, __FILE__, __LINE__);
- $row = Database::fetch_array($res_hot);
- $item_title = $row['title'];
- $item_description = $row['description'];
- }
- else
- {
- $item_title = '';
- $item_description = '';
- }
- $return = '<div style="margin:3px 10px;">';
- if($id != 0 && is_array($extra_info))
- $parent = $extra_info['parent_item_id'];
- else
- $parent = 0;
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->lp_id;
- $result = api_sql_query($sql, __FILE__, __LINE__);
- $arrLP = array();
- while($row = Database::fetch_array($result))
- {
- $arrLP[] = array(
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => $row['title'],
- 'path' => $row['path'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'display_order' => $row['display_order'],
- 'prerequisite' => $row['prerequisite']);
- }
- $this->tree_array($arrLP);
- $arrLP = $this->arrMenu;
- unset($this->arrMenu);
- if($action == 'add')
- $return .= '<p class="lp_title">'.get_lang("CreateTheExercise").' :</p>' . "\n";
- elseif($action == 'move')
- $return .= '<p class="lp_title">'.get_lang("MoveTheCurrentExercise").' :</p>' . "\n";
- else
- $return .= '<p class="lp_title">'.get_lang("EditCurrentExecice").' :</p>' . "\n";
- if(isset($_GET['edit']) && $_GET['edit'] == 'true')
- {
- $return .= '<div class="lp_message" style="margin-bottom:15px;">';
- $return .= '<p class="lp_title">'.get_lang("Warning").' !</p>';
- $return .= get_lang("WarningEditingDocument");
- $return .= '</div>';
- }
- $return .= '<form method="POST">' . "\n";
- $return .= "\t" . '<table cellpadding="0" cellspacing="0" class="lp_form">' . "\n";
- $return .= "\t\t" . '<tr>' . "\n";
- $return .= "\t\t\t" . '<td class="label"><label for="idParent">'.get_lang("Parent").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input">' . "\n";
- $return .= "\t\t\t\t" . '<select id="idParent" name="parent" onchange="load_cbo(this.value);" size="1">';
- $return .= "\t\t\t\t\t" . '<option class="top" value="0">' . $this->name . '</option>';
- $arrHide = array($id);
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($action != 'add')
- {
- if(($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') && !in_array($arrLP[$i]['id'], $arrHide) && !in_array($arrLP[$i]['parent_item_id'], $arrHide))
- {
- $return .= "\t\t\t\t\t" . '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . html_entity_decode(stripslashes($arrLP[$i]['title'])) . '</option>';
- }
- else
- {
- $arrHide[] = $arrLP[$i]['id'];
- }
- }
- else
- {
- if($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir')
- $return .= "\t\t\t\t\t" . '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . html_entity_decode(stripslashes($arrLP[$i]['title'])) . '</option>';
- }
- }
- reset($arrLP);
- $return .= "\t\t\t\t" . '</select>';
- $return .= "\t\t\t" . '</td>' . "\n";
- $return .= "\t\t" . '</tr>' . "\n";
- $return .= "\t\t" . '<tr>' . "\n";
- $return .= "\t\t\t" . '<td class="label"><label for="idPosition">'.get_lang("Position").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input">' . "\n";
- $return .= "\t\t\t\t" . '<select id="idPosition" name="previous" size="1">';
- $return .= "\t\t\t\t\t" . '<option class="top" value="0">First position</option>';
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id)
- {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $selected = 'selected="selected" ';
- elseif($action == 'add')
- $selected = 'selected="selected" ';
- else
- $selected = '';
- $return .= "\t\t\t\t\t" . '<option ' . $selected . 'value="' . $arrLP[$i]['id'] . '">'.get_lang("After").' "' . html_entity_decode(stripslashes($arrLP[$i]['title'])) . '"</option>';
- }
- }
- $return .= "\t\t\t\t" . '</select>';
- $return .= "\t\t\t" . '</td>' . "\n";
- $return .= "\t\t" . '</tr>' . "\n";
- if($action != 'move')
- {
- $return .= "\t\t" . '<tr>' . "\n";
- $return .= "\t\t\t" . '<td class="label"><label for="idTitle">'.get_lang("Title").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><input id="idTitle" name="title" type="text" value="' . $item_title . '" /></td>' . "\n";
- $return .= "\t\t" . '</tr>' . "\n";
- $id_prerequisite=0;
- foreach($arrLP as $key=>$value){
- if($value['id']==$id){
- $id_prerequisite=$value['prerequisite'];
- break;
- }
- }
- $arrHide=array();
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter')
- {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $s_selected_position=$arrLP[$i]['id'];
- elseif($action == 'add')
- $s_selected_position=0;
- $arrHide[$arrLP[$i]['id']]['value']=html_entity_decode(stripslashes($arrLP[$i]['title']));
- }
- }
- $return .= "\t\t" . '<tr>' . "\n";
- $return .= "\t\t\t" . '<td class="label"><label for="idPrerequisites">'.get_lang("Prerequisites").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><select name="prerequisites" id="prerequisites" style="background:#F8F8F8; border:1px solid #999999; font-family:Arial, Verdana, Helvetica, sans-serif; font-size:12px; width:300px;"><option value="0">'.get_lang("NoPrerequisites").'</option>';
- foreach($arrHide as $key => $value){
- if($key==$s_selected_position && $action == 'add'){
- $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
- }
- elseif($key==$id_prerequisite && $action == 'edit'){
- $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
- }
- else{
- $return .= '<option value="'.$key.'">'.$value['value'].'</option>';
- }
- }
- $return .= "</select></td>";
- $return .= "\t\t" . '</tr>' . "\n";
- $return .= "\t\t" . '<tr>' . "\n";
- //Remove temporaly the test description
- //$return .= "\t\t\t" . '<td class="label"><label for="idDescription">'.get_lang("Description").' :</label></td>' . "\n";
- //$return .= "\t\t\t" . '<td class="input"><textarea id="idDescription" name="description" rows="4">' . $item_description . '</textarea></td>' . "\n";
- $return .= "\t\t" . '</tr>' . "\n";
- }
- $return .= "\t\t" . '<tr>' . "\n";
- $return .= "\t\t\t" . '<td colspan="2"><input class="button" name="submit_button" type="submit" value="OK" /></td>' . "\n";
- $return .= "\t\t" . '</tr>' . "\n";
- $return .= "\t" . '</table>' . "\n";
- if($action == 'move')
- {
- $return .= "\t" . '<input name="title" type="hidden" value="' . $item_title . '" />' . "\n";
- $return .= "\t" . '<input name="description" type="hidden" value="' . $item_description . '" />' . "\n";
- }
- if(is_numeric($extra_info))
- {
- $return .= "\t" . '<input name="path" type="hidden" value="' . $extra_info . '" />' . "\n";
- }
- elseif(is_array($extra_info))
- {
- $return .= "\t" . '<input name="path" type="hidden" value="' . $extra_info['path'] . '" />' . "\n";
- }
- $return .= "\t" . '<input name="type" type="hidden" value="'.TOOL_HOTPOTATOES.'" />' . "\n";
- $return .= "\t" . '<input name="post_time" type="hidden" value="' . time() . '" />' . "\n";
- $return .= '</form>' . "\n";
- $return .= '</div>' . "\n";
- return $return;
- }
- //fin du hotpot form
-
- /**
- * Enter description here...
- *
- * @param unknown_type $action
- * @param unknown_type $id
- * @param unknown_type $extra_info
- * @return unknown
- */
- function display_forum_form($action = 'add', $id = 0, $extra_info = '')
- {
-
- $tbl_lp_item = Database::get_course_table('lp_item');
- $tbl_forum = Database::get_course_table(TABLE_FORUM);
-
- if($id != 0 && is_array($extra_info))
- {
- $item_title = stripslashes($extra_info['title']);
- }
- elseif(is_numeric($extra_info))
- {
- $sql_forum = "
- SELECT
- forum_title as title, forum_comment as comment
- FROM " . $tbl_forum . "
- WHERE forum_id = " . $extra_info;
-
- $result = api_sql_query($sql_forum, __FILE__, __LINE__);
- $row = Database::fetch_array($result);
-
- $item_title = $row['title'];
- $item_description = $row['comment'];
- }
- else
- {
- $item_title = '';
- $item_description = '';
- }
-
- $return = '<div style="margin:3px 10px;">';
-
- if($id != 0 && is_array($extra_info))
- $parent = $extra_info['parent_item_id'];
- else
- $parent = 0;
-
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->lp_id;
-
- $result = api_sql_query($sql, __FILE__, __LINE__);
-
- $arrLP = array();
-
- while($row = Database::fetch_array($result))
- {
- $arrLP[] = array(
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => $row['title'],
- 'path' => $row['path'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'display_order' => $row['display_order'],
- 'prerequisite' => $row['prerequisite']);
- }
-
- $this->tree_array($arrLP);
-
- $arrLP = $this->arrMenu;
-
- unset($this->arrMenu);
-
- if($action == 'add')
- $return .= '<p class="lp_title">'.get_lang("CreateTheForum").' :</p>' . "\n";
- elseif($action == 'move')
- $return .= '<p class="lp_title">'.get_lang("MoveTheCurrentForum").' :</p>' . "\n";
- else
- $return .= '<p class="lp_title">'.get_lang("EditCurrentForum").' :</p>' . "\n";
-
- $return .= '<form method="POST">' . "\n";
-
- $return .= "\t" . '<table cellpadding="0" cellspacing="0" class="lp_form">' . "\n";
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idParent">'.get_lang("Parent").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input">' . "\n";
-
- $return .= "\t\t\t\t" . '<select id="idParent" name="parent" onchange="load_cbo(this.value);" size="1">';
-
- $return .= "\t\t\t\t\t" . '<option class="top" value="0">' . $this->name . '</option>';
-
- $arrHide = array($id);
-
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($action != 'add')
- {
- if(($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') && !in_array($arrLP[$i]['id'], $arrHide) && !in_array($arrLP[$i]['parent_item_id'], $arrHide))
- {
- $return .= "\t\t\t\t\t" . '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . html_entity_decode(stripslashes($arrLP[$i]['title'])) . '</option>';
- }
- else
- {
- $arrHide[] = $arrLP[$i]['id'];
- }
- }
- else
- {
- if($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir')
- $return .= "\t\t\t\t\t" . '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . html_entity_decode(stripslashes($arrLP[$i]['title'])) . '</option>';
- }
- }
-
- reset($arrLP);
-
- $return .= "\t\t\t\t" . '</select>';
-
- $return .= "\t\t\t" . '</td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idPosition">'.get_lang("Position").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input">' . "\n";
-
- $return .= "\t\t\t\t" . '<select id="idPosition" name="previous" size="1">';
-
- $return .= "\t\t\t\t\t" . '<option class="top" value="0">First position</option>';
-
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id)
- {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $selected = 'selected="selected" ';
- elseif($action == 'add')
- $selected = 'selected="selected" ';
- else
- $selected = '';
-
- $return .= "\t\t\t\t\t" . '<option ' . $selected . 'value="' . $arrLP[$i]['id'] . '">'.get_lang("After").' "' . html_entity_decode(stripslashes($arrLP[$i]['title'])) . '"</option>';
- }
- }
-
- $return .= "\t\t\t\t" . '</select>';
-
- $return .= "\t\t\t" . '</td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- if($action != 'move')
- {
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idTitle">'.get_lang("Title").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><input id="idTitle" name="title" type="text" value="' . $item_title . '" /></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- //Remove temporaly the test description
- //$return .= "\t\t\t" . '<td class="label"><label for="idDescription">'.get_lang("Description").' :</label></td>' . "\n";
- //$return .= "\t\t\t" . '<td class="input"><textarea id="idDescription" name="description" rows="4">' . $item_description . '</textarea></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $id_prerequisite=0;
- foreach($arrLP as $key=>$value){
- if($value['id']==$id){
- $id_prerequisite=$value['prerequisite'];
- break;
- }
- }
-
- $arrHide=array();
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter')
- {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $s_selected_position=$arrLP[$i]['id'];
- elseif($action == 'add')
- $s_selected_position=0;
- $arrHide[$arrLP[$i]['id']]['value']=html_entity_decode(stripslashes($arrLP[$i]['title']));
-
- }
- }
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idPrerequisites">'.get_lang("Prerequisites").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><select name="prerequisites" id="prerequisites" style="background:#F8F8F8; border:1px solid #999999; font-family:Arial, Verdana, Helvetica, sans-serif; font-size:12px; width:300px;"><option value="0">'.get_lang("NoPrerequisites").'</option>';
-
- foreach($arrHide as $key => $value){
- if($key==$s_selected_position && $action == 'add'){
- $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
- }
- elseif($key==$id_prerequisite && $action == 'edit'){
- $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
- }
- else{
- $return .= '<option value="'.$key.'">'.$value['value'].'</option>';
- }
- }
-
- $return .= "</select></td>";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- }
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td colspan="2"><input class="button" name="submit_button" type="submit" value="OK" /></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t" . '</table>' . "\n";
-
- if($action == 'move')
- {
- $return .= "\t" . '<input name="title" type="hidden" value="' . $item_title . '" />' . "\n";
- $return .= "\t" . '<input name="description" type="hidden" value="' . $item_description . '" />' . "\n";
- }
-
- if(is_numeric($extra_info))
- {
- $return .= "\t" . '<input name="path" type="hidden" value="' . $extra_info . '" />' . "\n";
- }
- elseif(is_array($extra_info))
- {
- $return .= "\t" . '<input name="path" type="hidden" value="' . $extra_info['path'] . '" />' . "\n";
- }
-
- $return .= "\t" . '<input name="type" type="hidden" value="'.TOOL_FORUM.'" />' . "\n";
- $return .= "\t" . '<input name="post_time" type="hidden" value="' . time() . '" />' . "\n";
-
- $return .= '</form>' . "\n";
-
- $return .= '</div>' . "\n";
- return $return;
- }
-
- function display_thread_form($action = 'add', $id = 0, $extra_info = '')
- {
-
- $tbl_lp_item = Database::get_course_table('lp_item');
- $tbl_forum = Database::get_course_table(TABLE_FORUM_THREAD);
-
- if($id != 0 && is_array($extra_info))
- {
- $item_title = stripslashes($extra_info['title']);
- }
- elseif(is_numeric($extra_info))
- {
- $sql_forum = "
- SELECT
- thread_title as title
- FROM " . $tbl_forum . "
- WHERE thread_id = " . $extra_info;
-
- $result = api_sql_query($sql_forum, __FILE__, __LINE__);
- $row = Database::fetch_array($result);
-
- $item_title = $row['title'];
- $item_description = '';
- }
- else
- {
- $item_title = '';
- $item_description = '';
- }
-
- $return = '<div style="margin:3px 10px;">';
-
- if($id != 0 && is_array($extra_info))
- $parent = $extra_info['parent_item_id'];
- else
- $parent = 0;
-
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->lp_id;
-
- $result = api_sql_query($sql, __FILE__, __LINE__);
-
- $arrLP = array();
-
- while($row = Database::fetch_array($result))
- {
- $arrLP[] = array(
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => $row['title'],
- 'path' => $row['path'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'display_order' => $row['display_order'],
- 'prerequisite' => $row['prerequisite']);
- }
-
- $this->tree_array($arrLP);
-
- $arrLP = $this->arrMenu;
-
- unset($this->arrMenu);
-
- if($action == 'add')
- $return .= '<p class="lp_title">'.get_lang("CreateTheForum").' :</p>' . "\n";
- elseif($action == 'move')
- $return .= '<p class="lp_title">'.get_lang("MoveTheCurrentForum").' :</p>' . "\n";
- else
- $return .= '<p class="lp_title">'.get_lang("EditCurrentForum").' :</p>' . "\n";
-
- $return .= '<form method="POST">' . "\n";
-
- $return .= "\t" . '<table cellpadding="0" cellspacing="0" class="lp_form">' . "\n";
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idParent">'.get_lang("Parent").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input">' . "\n";
-
- $return .= "\t\t\t\t" . '<select id="idParent" name="parent" onchange="load_cbo(this.value);" size="1">';
-
- $return .= "\t\t\t\t\t" . '<option class="top" value="0">' . $this->name . '</option>';
-
- $arrHide = array($id);
-
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($action != 'add')
- {
- if(($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') && !in_array($arrLP[$i]['id'], $arrHide) && !in_array($arrLP[$i]['parent_item_id'], $arrHide))
- {
- $return .= "\t\t\t\t\t" . '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . html_entity_decode(stripslashes($arrLP[$i]['title'])) . '</option>';
- }
- else
- {
- $arrHide[] = $arrLP[$i]['id'];
- }
- }
- else
- {
- if($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir')
- $return .= "\t\t\t\t\t" . '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . html_entity_decode(stripslashes($arrLP[$i]['title'])) . '</option>';
- }
- }
-
- reset($arrLP);
-
- $return .= "\t\t\t\t" . '</select>';
-
- $return .= "\t\t\t" . '</td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idPosition">'.get_lang("Position").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input">' . "\n";
-
- $return .= "\t\t\t\t" . '<select id="idPosition" name="previous" size="1">';
-
- $return .= "\t\t\t\t\t" . '<option class="top" value="0">First position</option>';
-
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id)
- {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $selected = 'selected="selected" ';
- elseif($action == 'add')
- $selected = 'selected="selected" ';
- else
- $selected = '';
-
- $return .= "\t\t\t\t\t" . '<option ' . $selected . 'value="' . $arrLP[$i]['id'] . '">'.get_lang("After").' "' . html_entity_decode(stripslashes($arrLP[$i]['title'])) . '"</option>';
- }
- }
-
- $return .= "\t\t\t\t" . '</select>';
-
- $return .= "\t\t\t" . '</td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- if($action != 'move')
- {
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idTitle">'.get_lang("Title").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><input id="idTitle" name="title" type="text" value="' . $item_title . '" /></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- //Remove temporaly the test description
- //$return .= "\t\t\t" . '<td class="label"><label for="idDescription">'.get_lang("Description").' :</label></td>' . "\n";
- //$return .= "\t\t\t" . '<td class="input"><textarea id="idDescription" name="description" rows="4">' . $item_description . '</textarea></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $id_prerequisite=0;
- foreach($arrLP as $key=>$value){
- if($value['id']==$id){
- $id_prerequisite=$value['prerequisite'];
- break;
- }
- }
-
- $arrHide=array();
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter')
- {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $s_selected_position=$arrLP[$i]['id'];
- elseif($action == 'add')
- $s_selected_position=0;
- $arrHide[$arrLP[$i]['id']]['value']=html_entity_decode(stripslashes($arrLP[$i]['title']));
-
- }
- }
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idPrerequisites">'.get_lang("Prerequisites").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><select name="prerequisites" id="prerequisites" style="background:#F8F8F8; border:1px solid #999999; font-family:Arial, Verdana, Helvetica, sans-serif; font-size:12px; width:300px;"><option value="0">'.get_lang("NoPrerequisites").'</option>';
-
- foreach($arrHide as $key => $value){
- if($key==$s_selected_position && $action == 'add'){
- $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
- }
- elseif($key==$id_prerequisite && $action == 'edit'){
- $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
- }
- else{
- $return .= '<option value="'.$key.'">'.$value['value'].'</option>';
- }
- }
-
- $return .= "</select></td>";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- }
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td colspan="2"><input class="button" name="submit_button" type="submit" value="OK" /></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t" . '</table>' . "\n";
-
- if($action == 'move')
- {
- $return .= "\t" . '<input name="title" type="hidden" value="' . $item_title . '" />' . "\n";
- $return .= "\t" . '<input name="description" type="hidden" value="' . $item_description . '" />' . "\n";
- }
-
- if(is_numeric($extra_info))
- {
- $return .= "\t" . '<input name="path" type="hidden" value="' . $extra_info . '" />' . "\n";
- }
- elseif(is_array($extra_info))
- {
- $return .= "\t" . '<input name="path" type="hidden" value="' . $extra_info['path'] . '" />' . "\n";
- }
-
- $return .= "\t" . '<input name="type" type="hidden" value="'.TOOL_THREAD.'" />' . "\n";
- $return .= "\t" . '<input name="post_time" type="hidden" value="' . time() . '" />' . "\n";
-
- $return .= '</form>' . "\n";
-
- $return .= '</div>' . "\n";
- return $return;
- }
-
- /**
- * Enter description here...
- *
- * @param unknown_type $item_type
- * @param unknown_type $title
- * @param unknown_type $action
- * @param unknown_type $id
- * @param unknown_type $extra_info
- * @return unknown
- */
- function display_item_form($item_type, $title = '', $action = 'add', $id = 0, $extra_info = 'new')
- {
- global $_course;
-
- $tbl_lp_item = Database::get_course_table('lp_item');
-
- if($id != 0 && is_array($extra_info))
- {
- $item_title = stripslashes($extra_info['title']);
- $item_description = stripslashes($extra_info['description']);
- $item_path = api_get_path(WEB_COURSE_PATH) . $_course['path'].'/scorm/'.$this->path.'/'.stripslashes($extra_info['path']);
- }
- else
- {
- $item_title = '';
- $item_description = '';
- }
-
- $return = '<div style="margin:3px 10px;">';
-
- if($id != 0 && is_array($extra_info))
- $parent = $extra_info['parent_item_id'];
- else
- $parent = 0;
-
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->lp_id;
-
- if($item_type == 'module')
- $sql .= " AND parent_item_id = 0";
-
- $result = api_sql_query($sql, __FILE__, __LINE__);
-
- $arrLP = array();
-
- while($row = Database::fetch_array($result))
- {
- $arrLP[] = array(
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => $row['title'],
- 'path' => $row['path'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'display_order' => $row['display_order']);
- }
-
- $this->tree_array($arrLP);
-
- $arrLP = $this->arrMenu;
-
- unset($this->arrMenu);
-
- $return .= '<p class="lp_title">' . $title . '</p>' . "\n";
- require_once (api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php');
-
- $form = new FormValidator('form','POST',api_get_self()."?".$_SERVER["QUERY_STRING"]);
-
- $defaults["title"]=html_entity_decode($item_title);
- $defaults["description"]=html_entity_decode($item_description);
-
- $form->addElement('html',$return);
-
- //$arrHide = array($id);
-
- $arrHide[0]['value']=$this->name;
- $arrHide[0]['padding']=3;
-
- if($item_type != 'module' && $item_type != 'dokeos_module')
- {
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($action != 'add'){
- if(($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') && !in_array($arrLP[$i]['id'], $arrHide) && !in_array($arrLP[$i]['parent_item_id'], $arrHide)){
- $arrHide[$arrLP[$i]['id']]['value']=html_entity_decode(stripslashes($arrLP[$i]['title']));
- $arrHide[$arrLP[$i]['id']]['padding']=3+ $arrLP[$i]['depth'] * 10;
- if($parent == $arrLP[$i]['id']){
- $s_selected_parent=$arrHide[$arrLP[$i]['id']];
- }
- }
- }
- else{
- if($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir'){
- $arrHide[$arrLP[$i]['id']]['value']=html_entity_decode(stripslashes($arrLP[$i]['title']));
- $arrHide[$arrLP[$i]['id']]['padding']=3+ $arrLP[$i]['depth'] * 10;
- if($parent == $arrLP[$i]['id']){
- $s_selected_parent=$arrHide[$arrLP[$i]['id']];
- }
- }
- }
- }
-
- $parent_select = &$form->addElement('select', 'parent', get_lang("Parent")." :", '', 'style="background:#F8F8F8; border:1px solid #999999; font-family:Arial, Verdana, Helvetica, sans-serif; font-size:12px; width:300px;" onchange="load_cbo(this.value);"');
- foreach($arrHide as $key => $value){
- $parent_select->addOption($value['value'],$key,'style="padding-left:'.$value['padding'].'px;"');
- }
- $parent_select -> setSelected($s_selected_parent);
-
-
- }
-
- if(is_array($arrLP)) { reset($arrLP); }
-
- $arrHide=array();
- //POSITION
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id)
- {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $s_selected_position=$arrLP[$i]['id'];
- elseif($action == 'add')
- $s_selected_position=$arrLP[$i]['id'];
-
- $arrHide[$arrLP[$i]['id']]['value']=get_lang("After").' "' . html_entity_decode(stripslashes($arrLP[$i]['title']));
-
- }
- }
-
- $position = &$form->addElement('select', 'previous', get_lang("Position")." :", '', 'id="idPosition" style="background:#F8F8F8; border:1px solid #999999; font-family:Arial, Verdana, Helvetica, sans-serif; font-size:12px; width:300px;"');
-
- $position->addOption(get_lang('FirstPosition'),0,'style="padding-left:'.$value['padding'].'px;"');
- foreach($arrHide as $key => $value){
- $position->addOption($value['value'],$key,'style="padding-left:'.$value['padding'].'px;"');
- }
- if(!empty($s_selected_position)) { $position->setSelected($s_selected_position); }
- if(is_array($arrLP)) { reset($arrLP); }
-
- if($action != 'move'){
- $form->addElement('text','title', get_lang('Title').' :','id="idTitle" style="background:#F8F8F8; border:1px solid #999999; font-family:Arial, Verdana, Helvetica, sans-serif; font-size:12px; padding:1px 2px; width:300px;"');
- //$form->addElement('textarea','description',get_lang("Description").' :', 'id="idDescription" style="background:#F8F8F8; border:1px solid #999999; font-family:Arial, Verdana, Helvetica, sans-serif; font-size:12px; padding:1px 2px; width:300px;"');
- }
- else
- {
- $form->addElement('hidden','title');
- }
-
- $form->addElement('submit', 'submit_button', get_lang('Ok'), 'style="background:#F8F8F8; border:1px solid #999999; font-family:Arial, Verdana, Helvetica, sans-serif; font-size:12px; padding:1px 2px; width:75px;"');
-
- if($item_type == 'module' || $item_type == 'dokeos_module')
- {
- $form->addElement('hidden', 'parent', '0');
- }
-
-
- $extension = pathinfo($item_path, PATHINFO_EXTENSION);
- if(($item_type=='asset' || $item_type=='sco') && ($extension == 'html' || $extension == 'htm'))
- {
- if($item_type=='sco')
- {
- $form->addElement('html','<script type="text/javascript">alert("'.get_lang('WarningWhenEditingScorm').'")</script>');
- }
- $renderer = $form->defaultRenderer();
- $renderer->setElementTemplate('<br /> {label}<br />{element}','content_lp');
- $form->addElement('html_editor','content_lp','<a style="cursor:pointer" onclick="launch_templates()"><img src="'.api_get_path(WEB_IMG_PATH).'templates.gif" /></a>');
- $defaults["content_lp"]=file_get_contents($item_path);
- }
-
-
- $form->addElement('hidden', 'type', 'dokeos_'.$item_type);
- $form->addElement('hidden', 'post_time', time());
-
- $form->addElement('html','</div>');
-
- $form->setDefaults($defaults);
-
- return $form->return_form();
- }
-
-
- /**
- * Enter description here...
- *
- * @param unknown_type $action
- * @param unknown_type $id
- * @param unknown_type $extra_info
- * @return unknown
- */
- function display_document_form($action = 'add', $id = 0, $extra_info = 'new')
- {
-
- echo '
- <style>
- .row{
- width:100%;
- }
- div.row div.label {
- width: 75px;
- }
-
- div.row div.formw {
- width: 88%;
- }
- </style>';
-
- $tbl_lp_item = Database::get_course_table('lp_item');
- $tbl_doc = Database::get_course_table(TABLE_DOCUMENT);
-
- $path_parts = pathinfo($extra_info['dir']);
- $no_display_edit_textarea=false;
-
- //If action==edit document
- //We don't display the document form if it's not an editable document (html or txt file)
- if($action=="edit"){
- if(is_array($extra_info)){
- if($path_parts['extension']!="txt" && $path_parts['extension']!="html"){
- $no_display_edit_textarea=true;
- }
- }
- }
-
- $no_display_add=false;
-
- //If action==add an existing document
- //We don't display the document form if it's not an editable document (html or txt file)
- if($action=="add"){
- if(is_numeric($extra_info)){
-
- $sql_doc = "SELECT path FROM " . $tbl_doc . "WHERE id = " . $extra_info;
- $result=api_sql_query($sql_doc);
- $path_file=mysql_result($result,0,0);
-
- $path_parts = pathinfo($path_file);
-
- if($path_parts['extension']!="txt" && $path_parts['extension']!="html"){
- $no_display_add=true;
- }
- }
- }
-
- if($id != 0 && is_array($extra_info))
- {
- $item_title = stripslashes($extra_info['title']);
- $item_description = stripslashes($extra_info['description']);
- if(empty($item_title))
- {
- $path_parts = pathinfo($extra_info['path']);
- $item_title = stripslashes($path_parts['filename']);
- }
- }
- elseif(is_numeric($extra_info))
- {
- $sql_doc = "
- SELECT path, title
- FROM " . $tbl_doc . "
- WHERE id = " . $extra_info;
-
- $result = api_sql_query($sql_doc, __FILE__, __LINE__);
- $row = Database::fetch_array($result);
-
- $explode = explode('.', $row['title']);
-
- if(count($explode)>1){
- for($i = 0; $i < count($explode) - 1; $i++)
- $item_title .= $explode[$i];
- }
- else{
- $item_title=$row['title'];
- }
-
- $item_title = str_replace('_', ' ', $item_title);
-
- if(empty($item_title))
- {
- $path_parts = pathinfo($row['path']);
- $item_title = stripslashes($path_parts['filename']);
- }
-
- }
- else
- {
- $item_title = '';
- $item_description = '';
- }
-
- $return = '<div style="margin:3px 0px;">';
-
- if($id != 0 && is_array($extra_info))
- $parent = $extra_info['parent_item_id'];
- else
- $parent = 0;
-
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->lp_id;
-
- $result = api_sql_query($sql, __FILE__, __LINE__);
-
- $arrLP = array();
-
- while($row = Database::fetch_array($result))
- {
- $arrLP[] = array(
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => $row['title'],
- 'path' => $row['path'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'display_order' => $row['display_order'],
- 'prerequisite' => $row['prerequisite']);
- }
-
- $this->tree_array($arrLP);
-
- $arrLP = $this->arrMenu;
-
- unset($this->arrMenu);
-
- if($action == 'add')
- $return .= '<p class="lp_title">'.get_lang("CreateTheDocument").' :</p>' . "\n";
- elseif($action == 'move')
- $return .= '<p class="lp_title">'.get_lang("MoveTheCurrentDocument").' :</p>' . "\n";
- else
- $return .= '<p class="lp_title">'.get_lang("EditTheCurrentDocument").' :</p>' . "\n";
-
- if(isset($_GET['edit']) && $_GET['edit'] == 'true')
- {
- $return .= '<div class="lp_message" style="margin-bottom:15px;">';
-
- $return .= '<p class="lp_title">'.get_lang("Warning").' !</p>';
- $return .= get_lang("WarningEditingDocument");
-
- $return .= '</div>';
- }
- /*
- if($no_display_add==true){
- $return .= '<div class="lp_message" style="margin-bottom:15px;">';
- $return .= get_lang("CantEditDocument");
- $return .= '</div>';
- return $return;
- }
- */
- require_once (api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php');
-
- $form = new FormValidator('form','POST',api_get_self()."?".$_SERVER["QUERY_STRING"]);
-
- $defaults["title"]=html_entity_decode($item_title);
- $defaults["description"]=html_entity_decode($item_description);
-
- $form->addElement('html',$return);
-
- //$arrHide = array($id);
-
- $arrHide[0]['value']=$this->name;
- $arrHide[0]['padding']=3;
-
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($action != 'add'){
- if(($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') && !in_array($arrLP[$i]['id'], $arrHide) && !in_array($arrLP[$i]['parent_item_id'], $arrHide)){
- $arrHide[$arrLP[$i]['id']]['value']=html_entity_decode(stripslashes($arrLP[$i]['title']));
- $arrHide[$arrLP[$i]['id']]['padding']=3+ $arrLP[$i]['depth'] * 10;
- if($parent == $arrLP[$i]['id']){
- $s_selected_parent=$arrHide[$arrLP[$i]['id']];
- }
- }
- }
- else{
- if($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir'){
- $arrHide[$arrLP[$i]['id']]['value']=html_entity_decode(stripslashes($arrLP[$i]['title']));
- $arrHide[$arrLP[$i]['id']]['padding']=3+ $arrLP[$i]['depth'] * 10;
- if($parent == $arrLP[$i]['id']){
- $s_selected_parent=$arrHide[$arrLP[$i]['id']];
- }
- }
- }
- }
- $parent_select = &$form->addElement('select', 'parent', get_lang("Parent")." :", '', 'style="background:#F8F8F8; border:1px solid #999999; font-family:Arial, Verdana, Helvetica, sans-serif; font-size:12px; width:300px;" onchange="load_cbo(this.value);"');
- foreach($arrHide as $key => $value){
- $parent_select->addOption($value['value'],$key,'style="padding-left:'.$value['padding'].'px;"');
- }
- $parent_select -> setSelected($parent);
- if(is_array($arrLP))
- {
- reset($arrLP);
- }
-
- $arrHide=array();
-
- //POSITION
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id)
- {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $s_selected_position=$arrLP[$i]['id'];
- elseif($action == 'add')
- $s_selected_position=$arrLP[$i]['id'];
-
- $arrHide[$arrLP[$i]['id']]['value']=get_lang("After").' "' . html_entity_decode(stripslashes($arrLP[$i]['title'])).'"';
-
- }
- }
-
- $position = &$form->addElement('select', 'previous', get_lang("Position")." :", '', 'id="idPosition" style="background:#F8F8F8; border:1px solid #999999; font-family:Arial, Verdana, Helvetica, sans-serif; font-size:12px; width:300px;"');
- $position->addOption(get_lang("FirstPosition"),0,'style="padding-left:3px;"');
-
- foreach($arrHide as $key => $value){
- $position->addOption($value['value'],$key,'style="padding-left:'.$value['padding'].'px;"');
- }
- $position -> setSelected($s_selected_position);
- if(is_array($arrLP))
- {
- reset($arrLP);
- }
-
- if($action != 'move'){
- $form->addElement('text','title', get_lang('Title').' :','id="idTitle" style="background:#F8F8F8; border:1px solid #999999; font-family:Arial, Verdana, Helvetica, sans-serif; font-size:12px; padding:1px 2px; width:300px;"');
- //$form->addElement('textarea','description',get_lang("Description").' :', 'id="idDescription" style="background:#F8F8F8; border:1px solid #999999; font-family:Arial, Verdana, Helvetica, sans-serif; font-size:12px; padding:1px 2px; width:300px;"');
-
- $id_prerequisite=0;
- if(is_array($arrLP))
- {
- foreach($arrLP as $key=>$value){
- if($value['id']==$id){
- $id_prerequisite=$value['prerequisite'];
- break;
- }
- }
- }
- $select_prerequisites=$form->addElement('select', 'prerequisites', get_lang('Prerequisites'), '', 'id="prerequisites" style="background:#F8F8F8; border:1px solid #999999; font-family:Arial, Verdana, Helvetica, sans-serif; font-size:12px; width:300px;"');
- $select_prerequisites->addOption(get_lang("NoPrerequisites"),0,'style="padding-left:3px;"');
-
- $arrHide=array();
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter')
- {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $s_selected_position=$arrLP[$i]['id'];
- elseif($action == 'add')
- $s_selected_position=$arrLP[$i]['id'];
-
- $arrHide[$arrLP[$i]['id']]['value']=html_entity_decode(stripslashes($arrLP[$i]['title']));
-
- }
- }
-
- foreach($arrHide as $key => $value){
- $select_prerequisites->addOption($value['value'],$key,'style="padding-left:'.$value['padding'].'px;"');
- if($key==$s_selected_position && $action == 'add'){
- $select_prerequisites -> setSelected(0);
- }
- elseif($key==$id_prerequisite && $action == 'edit'){
- $select_prerequisites -> setSelected($id_prerequisite);
- }
- }
-
- if(!$no_display_add)
- {
- if(($extra_info == 'new' || $extra_info['item_type'] == TOOL_DOCUMENT || $_GET['edit'] == 'true'))
- {
-
- if(isset($_POST['content']))
- $content = stripslashes($_POST['content']);
- elseif(is_array($extra_info)){
- //If it's an html document or a text file
- if(!$no_display_edit_textarea){
- $content = $this->display_document($extra_info['path'], false, false);
- }
- }
- elseif(is_numeric($extra_info))
- $content = $this->display_document($extra_info, false, false);
- else
- $content = '';
-
- $form->addElement('submit', 'submit_button', get_lang('Ok'), 'style="background:#F8F8F8; border:1px solid #999999; font-family:Arial, Verdana, Helvetica, sans-serif; font-size:12px; padding:1px 2px; width:75px;"');
-
- if(!$no_display_edit_textarea){
- $renderer = $form->defaultRenderer();
- $renderer->setElementTemplate('<br /> {label}<br />{element}','content_lp');
- $form->addElement('html_editor','content_lp','<a style="cursor:pointer" onclick="launch_templates()"><img src="'.api_get_path(WEB_IMG_PATH).'templates.gif" /></a>');
- $defaults["content_lp"]=$content;
- }
-
- }
-
- elseif(is_numeric($extra_info))
- {
-
- $form->addElement('submit', 'submit_button', get_lang('Ok'), 'style="background:#F8F8F8; border:1px solid #999999; font-family:Arial, Verdana, Helvetica, sans-serif; font-size:12px; padding:1px 2px; width:75px;"');
-
- $return = $this->display_document($extra_info, true, true, true);
- $form->addElement('html',$return);
- }
- }
-
- }
- if($action == 'move')
- {
- $form->addElement('hidden', 'title', $item_title);
- $form->addElement('hidden', 'description', $item_description);
- }
- if(is_numeric($extra_info))
- {
- $form->addElement('submit', 'submit_button', get_lang('Ok'), 'style="background:#F8F8F8; border:1px solid #999999; font-family:Arial, Verdana, Helvetica, sans-serif; font-size:12px; padding:1px 2px; width:75px;"');
- $form->addElement('hidden', 'path', $extra_info);
- }
- elseif(is_array($extra_info))
- {
- $form->addElement('submit', 'submit_button', get_lang('Ok'), 'style="background:#F8F8F8; border:1px solid #999999; font-family:Arial, Verdana, Helvetica, sans-serif; font-size:12px; padding:1px 2px; width:75px;"');
- $form->addElement('hidden', 'path', $extra_info['path']);
- }
-
- $form->addElement('hidden', 'type', TOOL_DOCUMENT);
- $form->addElement('hidden', 'post_time', time());
-
- $form->addElement('html','</div>');
-
- $form->setDefaults($defaults);
-
- return $form->return_form();
- }
-
- /**
- * Enter description here...
- *
- * @param unknown_type $action
- * @param unknown_type $id
- * @param unknown_type $extra_info
- */
- function display_link_form($action = 'add', $id = 0, $extra_info = '')
- {
- $tbl_lp_item = Database::get_course_table('lp_item');
- $tbl_link = Database::get_course_table(TABLE_LINK);
-
- if($id != 0 && is_array($extra_info))
- {
- $item_title = stripslashes($extra_info['title']);
- $item_description = stripslashes($extra_info['description']);
- }
- elseif(is_numeric($extra_info))
- {
- $sql_link = "
- SELECT
- title,
- description,
- url
- FROM " . $tbl_link . "
- WHERE id = " . $extra_info;
-
- $result = api_sql_query($sql_link, __FILE__, __LINE__);
- $row = Database::fetch_array($result);
-
- $item_title = $row['title'];
- $item_description = $row['description'];
- $item_url = $row['url'];
- }
- else
- {
- $item_title = '';
- $item_description = '';
- }
-
- $return = '<div style="margin:3px 10px;">';
-
- if($id != 0 && is_array($extra_info))
- $parent = $extra_info['parent_item_id'];
- else
- $parent = 0;
-
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->lp_id;
-
- $result = api_sql_query($sql, __FILE__, __LINE__);
-
- $arrLP = array();
-
- while($row = Database::fetch_array($result))
- {
- $arrLP[] = array(
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => $row['title'],
- 'path' => $row['path'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'display_order' => $row['display_order'],
- 'prerequisite' => $row['prerequisite']);
- }
-
- $this->tree_array($arrLP);
-
- $arrLP = $this->arrMenu;
-
- unset($this->arrMenu);
-
- if($action == 'add')
- $return .= '<p class="lp_title">'.get_lang("CreateTheLink").' :</p>' . "\n";
- elseif($action == 'move')
- $return .= '<p class="lp_title">'.get_lang("MoveCurrentLink").' :</p>' . "\n";
- else
- $return .= '<p class="lp_title">'.get_lang("EditCurrentLink").' :</p>' . "\n";
-
- $return .= '<form method="POST">' . "\n";
-
- $return .= "\t" . '<table cellpadding="0" cellspacing="0" class="lp_form">' . "\n";
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idParent">'.get_lang("Parent").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input">' . "\n";
-
- $return .= "\t\t\t\t" . '<select id="idParent" name="parent" onchange="load_cbo(this.value);" size="1">';
-
- $return .= "\t\t\t\t\t" . '<option class="top" value="0">' . $this->name . '</option>';
-
- $arrHide = array($id);
-
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($action != 'add')
- {
- if(($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') && !in_array($arrLP[$i]['id'], $arrHide) && !in_array($arrLP[$i]['parent_item_id'], $arrHide))
- {
- $return .= "\t\t\t\t\t" . '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . html_entity_decode(stripslashes($arrLP[$i]['title'])) . '</option>';
- }
- else
- {
- $arrHide[] = $arrLP[$i]['id'];
- }
- }
- else
- {
- if($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir')
- $return .= "\t\t\t\t\t" . '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . html_entity_decode(stripslashes($arrLP[$i]['title'])) . '</option>';
- }
- }
-
- reset($arrLP);
-
- $return .= "\t\t\t\t" . '</select>';
-
- $return .= "\t\t\t" . '</td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idPosition">'.get_lang("Position").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input">' . "\n";
-
- $return .= "\t\t\t\t" . '<select id="idPosition" name="previous" size="1">';
-
- $return .= "\t\t\t\t\t" . '<option class="top" value="0">'.get_lang("FirstPosition").'</option>';
-
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id)
- {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $selected = 'selected="selected" ';
- elseif($action == 'add')
- $selected = 'selected="selected" ';
- else
- $selected = '';
-
- $return .= "\t\t\t\t\t" . '<option ' . $selected . 'value="' . $arrLP[$i]['id'] . '">'.get_lang("After").' "' . html_entity_decode(stripslashes($arrLP[$i]['title'])) . '"</option>';
- }
- }
-
- $return .= "\t\t\t\t" . '</select>';
-
- $return .= "\t\t\t" . '</td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- if($action != 'move')
- {
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idTitle">'.get_lang("Title").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><input id="idTitle" name="title" type="text" value="' . $item_title . '" /></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idDescription">'.get_lang("Description").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><textarea id="idDescription" name="description" rows="4">' . $item_description . '</textarea></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idURL">'.get_lang("Url").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><input' . (is_numeric($extra_info) ? ' disabled="disabled"' : '') . ' id="idURL" name="url" type="text" value="' . $item_url . '" /></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $id_prerequisite=0;
- foreach($arrLP as $key=>$value){
- if($value['id']==$id){
- $id_prerequisite=$value['prerequisite'];
- break;
- }
- }
-
- $arrHide=array();
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter')
- {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $s_selected_position=$arrLP[$i]['id'];
- elseif($action == 'add')
- $s_selected_position=0;
- $arrHide[$arrLP[$i]['id']]['value']=html_entity_decode(stripslashes($arrLP[$i]['title']));
-
- }
- }
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idPrerequisites">'.get_lang("Prerequisites").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><select name="prerequisites" id="prerequisites" style="background:#F8F8F8; border:1px solid #999999; font-family:Arial, Verdana, Helvetica, sans-serif; font-size:12px; width:300px;"><option value="0">'.get_lang("NoPrerequisites").'</option>';
-
- foreach($arrHide as $key => $value){
- if($key==$s_selected_position && $action == 'add'){
- $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
- }
- elseif($key==$id_prerequisite && $action == 'edit'){
- $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
- }
- else{
- $return .= '<option value="'.$key.'">'.$value['value'].'</option>';
- }
- }
-
- $return .= "</select></td>";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- }
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td colspan="2"><input class="button" name="submit_button" type="submit" value="'.get_lang("Ok").'" /></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t" . '</table>' . "\n";
-
- if($action == 'move')
- {
- $return .= "\t" . '<input name="title" type="hidden" value="' . $item_title . '" />' . "\n";
- $return .= "\t" . '<input name="description" type="hidden" value="' . $item_description . '" />' . "\n";
- }
-
- if(is_numeric($extra_info))
- {
- $return .= "\t" . '<input name="path" type="hidden" value="' . $extra_info . '" />' . "\n";
- }
- elseif(is_array($extra_info))
- {
- $return .= "\t" . '<input name="path" type="hidden" value="' . $extra_info['path'] . '" />' . "\n";
- }
-
- $return .= "\t" . '<input name="type" type="hidden" value="'.TOOL_LINK.'" />' . "\n";
- $return .= "\t" . '<input name="post_time" type="hidden" value="' . time() . '" />' . "\n";
-
- $return .= '</form>' . "\n";
-
- $return .= '</div>' . "\n";
-
- return $return;
- }
-
- /**
- * Enter description here...
- *
- * @param unknown_type $action
- * @param unknown_type $id
- * @param unknown_type $extra_info
- * @return unknown
- */
- function display_student_publication_form($action = 'add', $id = 0, $extra_info = '')
- {
- $tbl_lp_item = Database::get_course_table('lp_item');
- $tbl_publication = Database::get_course_table(TABLE_STUDENT_PUBLICATION);
-
- if($id != 0 && is_array($extra_info))
- {
- $item_title = stripslashes($extra_info['title']);
- $item_description = stripslashes($extra_info['description']);
- }
- elseif(is_numeric($extra_info))
- {
- $sql_publication = "
- SELECT
- title,
- description
- FROM " . $tbl_publication . "
- WHERE id = " . $extra_info;
-
- $result = api_sql_query($sql_publication, __FILE__, __LINE__);
- $row = Database::fetch_array($result);
-
- $item_title = $row['title'];
- }
- else
- {
- $item_title = '';
- }
-
- $return = '<div style="margin:3px 10px;">';
-
- if($id != 0 && is_array($extra_info))
- $parent = $extra_info['parent_item_id'];
- else
- $parent = 0;
-
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->lp_id;
-
- $result = api_sql_query($sql, __FILE__, __LINE__);
-
- $arrLP = array();
-
- while($row = Database::fetch_array($result))
- {
- $arrLP[] = array(
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => $row['title'],
- 'path' => $row['path'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'display_order' => $row['display_order'],
- 'prerequisite' => $row['prerequisite']);
- }
-
- $this->tree_array($arrLP);
-
- $arrLP = $this->arrMenu;
-
- unset($this->arrMenu);
-
- if($action == 'add')
- $return .= '<p class="lp_title">'.get_lang("Student_publication").' :</p>' . "\n";
- elseif($action == 'move')
- $return .= '<p class="lp_title">'.get_lang("MoveCurrentStudentPublication").' :</p>' . "\n";
- else
- $return .= '<p class="lp_title">'.get_lang("EditCurrentStudentPublication").' :</p>' . "\n";
-
- $return .= '<form method="POST">' . "\n";
-
- $return .= "\t" . '<table cellpadding="0" cellspacing="0" class="lp_form">' . "\n";
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idParent">'.get_lang("Parent").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input">' . "\n";
-
- $return .= "\t\t\t\t" . '<select id="idParent" name="parent" onchange="load_cbo(this.value);" size="1">';
-
- $return .= "\t\t\t\t\t" . '<option class="top" value="0">' . $this->name . '</option>';
-
- $arrHide = array($id);
-
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($action != 'add')
- {
- if(($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') && !in_array($arrLP[$i]['id'], $arrHide) && !in_array($arrLP[$i]['parent_item_id'], $arrHide))
- {
- $return .= "\t\t\t\t\t" . '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . html_entity_decode(stripslashes($arrLP[$i]['title'])) . '</option>';
- }
- else
- {
- $arrHide[] = $arrLP[$i]['id'];
- }
- }
- else
- {
- if($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir')
- $return .= "\t\t\t\t\t" . '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . html_entity_decode(stripslashes($arrLP[$i]['title'])) . '</option>';
- }
- }
-
- reset($arrLP);
-
- $return .= "\t\t\t\t" . '</select>';
-
- $return .= "\t\t\t" . '</td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idPosition">'.get_lang("Position").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input">' . "\n";
-
- $return .= "\t\t\t\t" . '<select id="idPosition" name="previous" size="1">';
-
- $return .= "\t\t\t\t\t" . '<option class="top" value="0">'.get_lang("FirstPosition").'</option>';
-
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id)
- {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $selected = 'selected="selected" ';
- elseif($action == 'add')
- $selected = 'selected="selected" ';
- else
- $selected = '';
-
- $return .= "\t\t\t\t\t" . '<option ' . $selected . 'value="' . $arrLP[$i]['id'] . '">'.get_lang("After").' "' . html_entity_decode(stripslashes($arrLP[$i]['title'])) . '"</option>';
- }
- }
-
- $return .= "\t\t\t\t" . '</select>';
-
- $return .= "\t\t\t" . '</td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- if($action != 'move')
- {
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idTitle">'.get_lang("Title").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><input id="idTitle" name="title" type="text" value="' . $item_title . '" /></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $id_prerequisite=0;
- foreach($arrLP as $key=>$value){
- if($value['id']==$id){
- $id_prerequisite=$value['prerequisite'];
- break;
- }
- }
-
- $arrHide=array();
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter')
- {
- if($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $s_selected_position=$arrLP[$i]['id'];
- elseif($action == 'add')
- $s_selected_position=0;
- $arrHide[$arrLP[$i]['id']]['value']=html_entity_decode(stripslashes($arrLP[$i]['title']));
-
- }
- }
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idPrerequisites">'.get_lang("Prerequisites").' :</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><select name="prerequisites" id="prerequisites" style="background:#F8F8F8; border:1px solid #999999; font-family:Arial, Verdana, Helvetica, sans-serif; font-size:12px; width:300px;"><option value="0">'.get_lang("NoPrerequisites").'</option>';
-
- foreach($arrHide as $key => $value){
- if($key==$s_selected_position && $action == 'add'){
- $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
- }
- elseif($key==$id_prerequisite && $action == 'edit'){
- $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
- }
- else{
- $return .= '<option value="'.$key.'">'.$value['value'].'</option>';
- }
- }
-
- $return .= "</select></td>";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- }
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td colspan="2"><input class="button" name="submit_button" type="submit" value="'.get_lang("Ok").'" /></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t" . '</table>' . "\n";
-
- if($action == 'move')
- {
- $return .= "\t" . '<input name="title" type="hidden" value="' . $item_title . '" />' . "\n";
- $return .= "\t" . '<input name="description" type="hidden" value="' . $item_description . '" />' . "\n";
- }
-
- if(is_numeric($extra_info))
- {
- $return .= "\t" . '<input name="path" type="hidden" value="' . $extra_info . '" />' . "\n";
- }
- elseif(is_array($extra_info))
- {
- $return .= "\t" . '<input name="path" type="hidden" value="' . $extra_info['path'] . '" />' . "\n";
- }
-
- $return .= "\t" . '<input name="type" type="hidden" value="'.TOOL_STUDENTPUBLICATION.'" />' . "\n";
- $return .= "\t" . '<input name="post_time" type="hidden" value="' . time() . '" />' . "\n";
-
- $return .= '</form>' . "\n";
-
- $return .= '</div>' . "\n";
-
- return $return;
- }
-
- /**
- * Displays the menu for manipulating a step
- *
- * @return unknown
- */
- function display_manipulate($item_id, $item_type = TOOL_DOCUMENT)
- {
- $return = '<div class="lp_manipulate"><table border="0" width="100%"><tr><td valign="top" width="400">';
-
- switch($item_type)
- {
- case 'dokeos_chapter':
- case 'chapter':
-
- $lang = get_lang('TitleManipulateChapter');
- break;
-
- case 'dokeos_module':
- case 'module':
-
- $lang = get_lang('TitleManipulateModule');
-
- break;
-
- case TOOL_DOCUMENT:
-
- $lang = get_lang('TitleManipulateDocument');
-
- break;
-
- case TOOL_LINK:
- case 'link':
-
- $lang = get_lang('TitleManipulateLink');
-
- break;
-
- case TOOL_QUIZ:
-
- $lang = get_lang('TitleManipulateQuiz');
-
- break;
-
- case TOOL_STUDENTPUBLICATION:
-
- $lang = get_lang('TitleManipulateStudentPublication');
-
- break;
- }
-
- $tbl_lp_item = Database::get_course_table('lp_item');
-
- $sql = "
- SELECT
- description
- FROM " . $tbl_lp_item . " as lp
- WHERE
- lp.id = " . $item_id;
- $result = api_sql_query($sql, __FILE__, __LINE__);
-
- $s_description=mysql_result($result,0,0);
-
- $return .= '<p class="lp_title">' . $lang . '</p>';
-
- $return .= '<a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=edit_item&view=build&id=' . $item_id . '&lp_id=' . $this->lp_id . '" title="Edit the current item"><img align="absbottom" alt="Edit the current item" src="../img/edit.gif" title="Edit the current item" /> '.get_lang("Edit").'</a>';
- $return .= '<a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=move_item&view=build&id=' . $item_id . '&lp_id=' . $this->lp_id . '" title="Move the current item"><img align="absbottom" alt="Move the current item" src="../img/deplacer_fichier.gif" title="Move the current item" /> '.get_lang("Move").'</a>';
- // commented for now as prerequisites cannot be added to chapters
- if($item_type != 'dokeos_chapter' && $item_type != 'chapter')
- {
- $return .= '<a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=edit_item_prereq&view=build&id=' . $item_id . '&lp_id=' . $this->lp_id . '" title="'.get_lang('Prerequisites').'"><img align="absbottom" alt="'.get_lang('Prerequisites').'" src="../img/right.gif" title="'.get_lang('Prerequisites').'" /> '.get_lang('Prerequisites').'</a>';
- }
- $return .= '<a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=delete_item&view=build&id=' . $item_id . '&lp_id=' . $this->lp_id . '" onclick="return confirmation(\'' . htmlentities($s_description) . '\');" title="Delete the current item"><img alt="Delete the current item" align="absbottom" src="../img/delete.gif" title="Delete the current item" /> '.get_lang("Delete").'</a>';
-
- //$return .= '<br><br><p class="lp_text">' . ((trim($s_description) == '') ? ''.get_lang("NoDescription").'' : stripslashes(nl2br($s_description))) . '</p>';
-
- $return.="</td><td valign='top'>";
-
- // get the audiorecorder. Use of ob_* functions since there are echos in the file
- ob_start();
- $audio_recorder_studentview = 'false';
- $audio_recorder_item_id = $item_id;
- if(api_get_setting('service_ppt2lp','active')=='true' && api_get_setting('service_ppt2lp','path_to_lzx')!=''){
- include('audiorecorder.inc.php');
- }
- $return .= ob_get_contents();
- ob_end_clean();
- // end of audiorecorder include
-
- $return.="</td></tr></table>";
-
- $return .= '</div>';
-
- return $return;
- }
-
- /**
- * Creates the javascript needed for filling up the checkboxes without page reload
- *
- * @return string
- */
- function create_js()
- {
- $return = '<script language="javascript" type="text/javascript">' . "\n";
-
- $return .= 'function load_cbo(id){' . "\n";
-
- $return .= "var cbo = document.getElementById('idPosition');\n";
-
- $return .= 'for(var i = cbo.length - 1; i > 0; i--)';
- $return .= 'cbo.options[i] = null;'."\n";
- $return .= 'var k=0;'."\n";
- $return .= 'for(var i = 1; i <= child_name[id].length; i++){'."\n";
- $return .= ' cbo.options[i] = new Option(child_name[id][i-1], child_value[id][i-1]);'."\n";
- $return .= 'k=i;';
- $return .= '}' . "\n\n";
- $return .= 'if( typeof cbo != "undefined" ) {cbo.options[k].selected = true;}';
- $return .='}';
-
- $return .= 'var child_name = new Array();' . "\n";
- $return .= 'var child_value = new Array();' . "\n\n";
-
- $return .= 'child_name[0] = new Array();' . "\n";
- $return .= 'child_value[0] = new Array();' . "\n\n";
-
- $tbl_lp_item = Database::get_course_table('lp_item');
-
- $sql_zero = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->lp_id . " AND
- parent_item_id = 0
- ORDER BY display_order ASC";
- $res_zero = api_sql_query($sql_zero, __FILE__, __LINE__);
-
- $i = 0;
-
- while($row_zero = Database::fetch_array($res_zero))
- {
- $return .= 'child_name[0][' . $i . '] = "'.get_lang("After").' \"' . $row_zero['title'] . '\"";' . "\n";
- $return .= 'child_value[0][' . $i++ . '] = "' . $row_zero['id'] . '";' . "\n";
- }
-
- $return .= "\n";
-
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->lp_id;
- $res = api_sql_query($sql, __FILE__, __LINE__);
-
- while($row = Database::fetch_array($res))
- {
- $sql_parent = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE parent_item_id = " . $row['id'] . "
- ORDER BY display_order ASC";
- $res_parent = api_sql_query($sql_parent, __FILE__, __LINE__);
-
- $i = 0;
-
- $return .= 'child_name[' . $row['id'] . '] = new Array();' . "\n";
- $return .= 'child_value[' . $row['id'] . '] = new Array();' . "\n\n";
-
- while($row_parent = Database::fetch_array($res_parent))
- {
- $return .= 'child_name[' . $row['id'] . '][' . $i . '] = "'.get_lang("After").' \"' . $row_parent['title'] . '\"";' . "\n";
- $return .= 'child_value[' . $row['id'] . '][' . $i++ . '] = "' . $row_parent['id'] . '";' . "\n";
- }
-
- $return .= "\n";
- }
-
- $return .= '</script>' . "\n";
-
- return $return;
- }
-
- /**
- * Enter description here...
- *
- * @param unknown_type $item_id
- * @return unknown
- */
- function display_move_item($item_id)
- {
- global $_course; //will disappear
-
- $return = '';
-
- if(is_numeric($item_id))
- {
- $tbl_lp_item = Database::get_course_table('lp_item');
-
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE id = " . $item_id;
-
- $res = api_sql_query($sql, __FILE__, __LINE__);
- $row = Database::fetch_array($res);
-
- switch($row['item_type'])
- {
- case 'dokeos_chapter': case 'dir' : case 'asset' :
-
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_item_form($row['item_type'], get_lang('MoveCurrentChapter'), 'move', $item_id, $row);
-
- break;
-
- case 'dokeos_module':
-
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_item_form($row['item_type'], 'Move th current module:', 'move', $item_id, $row);
-
- break;
-
- case TOOL_DOCUMENT:
-
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_document_form('move', $item_id, $row);
-
- break;
-
- case TOOL_LINK:
-
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_link_form('move', $item_id, $row);
-
- break;
-
- case TOOL_HOTPOTATOES:
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_link_form('move', $item_id, $row);
- break;
-
- case TOOL_QUIZ:
-
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_quiz_form('move', $item_id, $row);
-
- break;
-
- case TOOL_STUDENTPUBLICATION:
-
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_student_publication_form('move', $item_id, $row);
-
- break;
-
-
- case TOOL_FORUM :
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_forum_form('move', $item_id, $row);
- }
- }
-
- return $return;
- }
-
- /**
- * Displays a basic form on the overview page for changing the item title and the item description.
- *
- * @param string $item_type
- * @param string $title
- * @param array $data
- * @return string
- */
- function display_item_small_form($item_type, $title = '', $data)
- {
- $return .= '<div class="lp_small_form">' . "\n";
-
- $return .= '<p class="lp_title">' . $title . '</p>';
-
- $return .= '<form method="post">' . "\n";
-
- $return .= '<table cellpadding="0" cellspacing="0" class="lp_form">';
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idTitle">Title:</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><input class="small_form" id="idTitle" name="title" type="text" value="' . $data['title'] . '" /></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td class="label"><label for="idDescription">Description:</label></td>' . "\n";
- $return .= "\t\t\t" . '<td class="input"><textarea class="small_form" id="idDescription" name="description" rows="4">' . $data['description'] . '</textarea></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t\t" . '<tr>' . "\n";
-
- $return .= "\t\t\t" . '<td colspan="2"><input class="button small_form" name="submit_button" type="submit" value="OK" /></td>' . "\n";
-
- $return .= "\t\t" . '</tr>' . "\n";
-
- $return .= "\t\t" . '</table>' . "\n";
-
- $return .= "\t" . '<input name="parent" type="hidden" value="' . $data['parent_item_id'] . '"/>' . "\n";
- $return .= "\t" . '<input name="previous" type="hidden" value="' . $data['previous_item_id'] . '"/>' . "\n";
-
- $return .= '</form>';
-
- $return .= '</div>';
-
- return $return;
- }
-
- /**
- * Enter description here...
- *
- * @param unknown_type $item_id
- * @return unknown
- */
- function display_item_prerequisites_form($item_id)
- {
- $tbl_lp_item = Database::get_course_table('lp_item');
-
- /* current prerequisite */
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE id = " . $item_id;
- $result = api_sql_query($sql, __FILE__, __LINE__);
- $row = Database::fetch_array($result);
-
- $preq_id = $row['prerequisite'];
- //$preq_mastery = $row['mastery_score'];
- //$preq_max = $row['max_score'];
-
- $return = $this->display_manipulate($item_id, TOOL_DOCUMENT);
- $return .= '<div style="margin:3px 10px;">';
- $return .= '<p class="lp_title">'.get_lang("AddEditPrerequisites").'</p>';
- $return .= '<form method="POST">';
- $return .= '<table class="lp_form">';
- $return .= '<tr>';
- $return .= '<th></th>';
- $return .= '<th class="exercise">'.get_lang("Minimum").'</th>';
- $return .= '<th class="exercise">'.get_lang("Maximum").'</th>';
- $return .= '</tr>';
- $return .= '<tr>';
- $return .= '<td class="radio" colspan="3">';
- $return .= '<input checked="checked" id="idNone" name="prerequisites" style="margin-left:0; margin-right:10px;" type="radio" />';
- $return .= '<label for="idNone">'.get_lang("None").'</label>';
- $return .= '</td>';
- $return .= '</tr>';
-
- $sql = "
- SELECT *
- FROM " . $tbl_lp_item . "
- WHERE
- lp_id = " . $this->lp_id;
-
- $result = api_sql_query($sql, __FILE__, __LINE__);
- $arrLP = array();
- while($row = Database::fetch_array($result))
- {
- $arrLP[] = array(
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => $row['title'],
- 'ref' => $row['ref'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'max_score' => $row['max_score'],
- 'min_score' => $row['min_score'],
- 'mastery_score' => $row['mastery_score'],
- 'next_item_id' => $row['next_item_id'],
- 'display_order' => $row['display_order']);
- if($row['ref'] == $preq_id)
- {
- $preq_mastery = $row['mastery_score'];
- $preq_max = $row['max_score'];
- }
- }
-
- $this->tree_array($arrLP);
-
- $arrLP = $this->arrMenu;
-
- unset($this->arrMenu);
-
- for($i = 0; $i < count($arrLP); $i++)
- {
- if($arrLP[$i]['id'] == $item_id)
- break;
- $return .= '<tr>';
- $return .= '<td class="radio"' . (($arrLP[$i]['item_type'] != TOOL_QUIZ && $arrLP[$i]['item_type'] != TOOL_HOTPOTATOES) ? ' colspan="3"' : '') . '>';
- $return .= '<input' . (($arrLP[$i]['id'] == $preq_id) ? ' checked="checked" ' : '') . (($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter') ? ' disabled="disabled" ' : ' ') . 'id="id' . $arrLP[$i]['id'] . '" name="prerequisites" style="margin-left:' . $arrLP[$i]['depth'] * 10 . 'px; margin-right:10px;" type="radio" value="' . $arrLP[$i]['id'] . '" />';
- $return .= '<img alt="" src="../img/lp_' . $arrLP[$i]['item_type'] . '.png" style="margin-right:5px;" title="" />';
- $return .= '<label for="id' . $arrLP[$i]['id'] . '">' . stripslashes($arrLP[$i]['title']) . '</label>';
- $return .= '</td>';
- //$return .= '<td class="radio"' . (($arrLP[$i]['item_type'] != TOOL_HOTPOTATOES) ? ' colspan="3"' : '') . ' />';
-
- if($arrLP[$i]['item_type'] == TOOL_QUIZ)
- {
- $return .= '<td class="exercise">';
- $return .= '<input maxlength="3" name="min_' . $arrLP[$i]['id'] . '" type="text" value="' . (($arrLP[$i]['id'] == $preq_id) ? $preq_mastery : 0) . '" />';
- $return .= '</td>';
- $return .= '<td class="exercise">';
- $return .= '<input maxlength="3" name="max_' . $arrLP[$i]['id'] . '" type="text" value="' . $arrLP[$i]['max_score'] . '" disabled="true" />';
- $return .= '</td>';
- }
- if($arrLP[$i]['item_type'] == TOOL_HOTPOTATOES)
- {
- $return .= '<td class="exercise">';
- $return .= '<input maxlength="3" name="min_' . $arrLP[$i]['id'] . '" type="text" value="' . (($arrLP[$i]['id'] == $preq_id) ? $preq_mastery : 0) . '" />';
- $return .= '</td>';
- $return .= '<td class="exercise">';
- $return .= '<input maxlength="3" name="max_' . $arrLP[$i]['id'] . '" type="text" value="' . $arrLP[$i]['max_score'] . '" disabled="true" />';
- $return .= '</td>';
- }
- $return .='</tr>';
- }
- $return .= '<tr>';
- $return .= '<td colspan="3">';
- $return .= '<input class="button" name="submit_button" type="submit" value="'.get_lang("Ok").'" /></td>' . "\n";
- $return .= '</td>';
- $return .= '</tr>';
- $return .= '</table>';
- $return .= '</form>';
- $return .= '</div>';
-
- return $return;
- }
-
- /**
- * Creates a list with all the documents in it
- *
- * @return string
- */
- function get_documents()
- {
- global $_course;
-
- $tbl_doc = Database::get_course_table(TABLE_DOCUMENT);
-
- $sql_doc = "
- SELECT *
- FROM " . $tbl_doc . "
- WHERE
- path NOT LIKE '%_DELETED_%'
- ORDER BY path ASC";
- $res_doc = api_sql_query($sql_doc, __FILE__, __LINE__);
-
- $return = '<div class="lp_resource_header"' . " onclick=\"if(document.getElementById('resDoc').style.display == 'block') {document.getElementById('resDoc').style.display = 'none';} else {document.getElementById('resDoc').style.display = 'block';}\"" . ' style="cursor:pointer;"><img align="left" alt="" src="../img/lp_' . TOOL_DOCUMENT . '.gif" style="margin-right:5px;" title="" />'.get_lang("Document").'</div>';
- $return .= '<div class="lp_resource_elements" id="resDoc">';
-
-
- $resources=api_store_result($res_doc);
-
- $resources_sorted = array();
-
- // if you want to debug it, I advise you to do "echo" on the eval statements
-
- foreach($resources as $resource)
- {
- $resource_paths = explode('/',$resource['path']);
- array_shift($resource_paths);
- $path_to_eval = $last_path = '';
- $is_file = false;
- foreach($resource_paths as $key => $resource_path)
- {
- if(strpos($resource_path,'.')===false && $key != count($resource_paths)-1)
- { // it's a folder
- $path_to_eval .= '["'.$resource_path.'"]["files"]';
- }
- else if(strpos($resource_path,'.')!==false)
- $is_file = true;
- $last_path = $resource_path;
- }
- if($is_file)
- {
- eval('$resources_sorted'.$path_to_eval.'['.$resource['id'].'] = "'.$last_path.'";');
- }
- else
- {
- eval('$resources_sorted'.$path_to_eval.'["'.$last_path.'"]["id"]='.$resource['id'].';');
- }
-
- }
- $return .=$this->write_resources_tree('', $resources_sorted);
-
- $return .='</div>';
- if(Database::num_rows($res_doc) == 0)
- $return .= '<div class="lp_resource_element">'.get_lang("NoDocuments").'</div>';
-
- return $return;
- }
-
- function write_resources_tree($return, $resources_sorted, $num=0){
-
- include_once(api_get_path(LIBRARY_PATH).'fileDisplay.lib.php');
-
- if(count($resources_sorted)>0)
- {
- foreach($resources_sorted as $key=>$resource)
- {
-
- if(is_int($resource['id']))
- { // it's a folder
- $return .= '<div><div style="margin-left:' . ($num * 15) . 'px;margin-right:5px;"><img style="cursor: pointer;" src="../img/nolines_plus.gif" align="absmiddle" id="img_'.$resource["id"].'" onclick="testResources(\''.$resource["id"].'\',\'img_'.$resource["id"].'\')"><img alt="" src="../img/lp_folder.gif" title="" align="absmiddle" /> <span onclick="testResources(\''.$resource["id"].'\',\'img_'.$resource["id"].'\')" style="cursor: pointer;" >'.$key.'</span></div><div style="display: none;" id="'.$resource['id'].'">';
- $return = $this->write_resources_tree($return, $resource['files'], $num+1);
- $return .= "</div></div>\r\n";
- }
- else
- {
- // it's a file
- $icon = choose_image($resource);
- $position = strrpos($icon,'.');
- $icon=substr($icon,0,$position).'_small.gif';
- $return .= '<div><div style="margin-left:' . (($num+1) * 15) . 'px;margin-right:5px;"><a href="' . api_get_self() . '?cidReq=' . $_GET['cidReq'] . '&action=add_item&type=' . TOOL_DOCUMENT . '&file=' . $key . '&lp_id=' . $this->lp_id . '"><img align="left" alt="" src="../img/'.$icon.'" title="" /> '.$resource."</a></div></div>\r\n";
- }
-
- }
- }
- return $return;
- }
-
- /**
- * Creates a list with all the exercises (quiz) in it
- *
- * @return string
- */
- function get_exercises()
- {
- // new for hotpotatoes
- $uploadPath = DIR_HOTPOTATOES; //defined in main_api
- $tbl_doc = Database::get_course_table(TABLE_DOCUMENT);
- $tbl_quiz = Database::get_course_table(TABLE_QUIZ_TEST);
-
- $sql_quiz = "
- SELECT *
- FROM " . $tbl_quiz . "
- WHERE active<>'-1'
- ORDER BY title ASC";
-
- $sql_hot = "SELECT * FROM ".$tbl_doc." " .
- " WHERE path LIKE '".$uploadPath."/%/%htm%'" .
- " ORDER BY id ASC";
- $res_quiz = api_sql_query($sql_quiz, __FILE__, __LINE__);
- $res_hot = api_sql_query($sql_hot, __FILE__, __LINE__);
- $return .= '<div class="lp_resource_header_end"' . " onclick=\"if(document.getElementById('resExercise').style.display == 'block') {document.getElementById('resExercise').style.display = 'none';} else {document.getElementById('resExercise').style.display = 'block';}\"" . ' style="cursor:pointer;"><img align="left" alt="" src="../img/lp_' . TOOL_QUIZ . '.gif" style="margin-right:5px;" title="" />'.get_lang('Quiz').'</div>';
- $return .= '<div class="lp_resource_elements_end" id="resExercise">';
- while ($row_hot = mysql_fetch_array($res_hot))
- {
- $return .= '<div class="lp_resource_element">';
- //display quizhotpotatoes
- $return .= '<img alt="" src="../img/jqz.jpg" style="margin-right:5px;" title="" />';
- $return .= '<a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=add_item&type=' . TOOL_HOTPOTATOES . '&file=' . $row_hot['id'] . '&lp_id=' . $this->lp_id . '">' . $row_hot['title'] . '</a>';
- //$return .= $row_quiz['title'];
- $return .= '</div>';
- }
- while($row_quiz = Database::fetch_array($res_quiz))
- {
- $return .= '<div class="lp_resource_element">';
- $return .= '<img alt="" src="../img/quizz_small.gif" style="margin-right:5px;" title="" />';
- $return .= '<a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=add_item&type=' . TOOL_QUIZ . '&file=' . $row_quiz['id'] . '&lp_id=' . $this->lp_id . '">' . $row_quiz['title'] . '</a>';
- //$return .= $row_quiz['title'];
- $return .= '</div>';
- }
-
- if(Database::num_rows($res_quiz) == 0)
- $return .= '<div class="lp_resource_element">'.get_lang("NoExercisesAvailable").'</div>';
-
- $return .= '<div class="lp_resource_element">';
- $return .= '<img alt="" src="../img/new_test_small.gif" style="margin-right:5px;" title="" />';
- $return .= '<a href="'.api_get_path(REL_CODE_PATH).'exercice/exercise_admin.php">' . get_lang('NewExercise') . '</a>';
- $return .= '</div>';
- $return .= '</div>';
-
- return $return;
- }
- /**
- * Creates a list with all the links in it
- *
- * @return string
- */
- function get_links()
- {
- $tbl_link = Database::get_course_table(TABLE_LINK);
-
- $sql_link = "
- SELECT *
- FROM " . $tbl_link . "
- ORDER BY title ASC";
- $res_link = api_sql_query($sql_link, __FILE__, __LINE__);
-
- $return .= '<div class="lp_resource_header"' . " onclick=\"if(document.getElementById('resLink').style.display == 'block') {document.getElementById('resLink').style.display = 'none';} else {document.getElementById('resLink').style.display = 'block';}\"" . ' style="cursor:pointer;"><img align="left" alt="" src="../img/lp_' . TOOL_LINK . '.gif" style="margin-right:5px;" title="" />'.get_lang("Links").'</div>';
- $return .= '<div class="lp_resource_elements" id="resLink">';
-
- while($row_link = Database::fetch_array($res_link))
- {
- $return .= '<div class="lp_resource_element">';
-
- $return .= '<img align="left" alt="" src="../img/file_html_small.gif" style="margin-right:5px;" title="" />';
- $return .= '<a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=add_item&type=' . TOOL_LINK . '&file=' . $row_link['id'] . '&lp_id=' . $this->lp_id . '">' . $row_link['title'] . '</a>';
-
- $return .= '</div>';
- }
- $return .= '<div class="lp_resource_element">';
- $return .= '<img align="left" alt="" src="../img/file_html_new_small.gif" style="margin-right:5px;" title="" />';
- $return .= '<a href="'.api_get_path(REL_CODE_PATH).'link/link.php?'.api_get_cidreq().'&action=addlink" title="' . get_lang('LinkAdd') . '">' . get_lang('LinkAdd') . '</a>';
- $return .= '</div>';
-
- if(Database::num_rows($res_link) == 0)
- $return .= '<div class="lp_resource_element">'.get_lang("NoLinksAvailable").'</div>';
-
- $return .= '</div>';
-
- return $return;
- }
-
- /**
- * Creates a list with all the student publications in it
- *
- * @return unknown
- */
- function get_student_publications()
- {
- $tbl_student = Database::get_course_table(TABLE_STUDENT_PUBLICATION);
-
- $sql_student = "
- SELECT *
- FROM " . $tbl_student . "
- ORDER BY title ASC";
- $res_student = api_sql_query($sql_student, __FILE__, __LINE__);
-
- $return .= '<div class="lp_resource_header"' . " onclick=\"if(document.getElementById('resStudent').style.display == 'block') {document.getElementById('resStudent').style.display = 'none';} else {document.getElementById('resStudent').style.display = 'block';}\"" . ' style="border-bottom:1px solid #999999; cursor:pointer;"><img align="left" alt="" src="../img/lp_' . TOOL_STUDENTPUBLICATION . '.gif" style="margin-right:5px;" title="" />'.get_lang('Student_publication').'</div>';
- $return .= '<div class="lp_resource_elements" id="resStudent" style="border-bottom:1px solid #999999; border-top:0;">';
- $return .= '<div class="lp_resource_element">';
- $return .= '<img align="left" alt="" src="../img/works_small.gif" style="margin-right:5px;" title="" />';
- $return .= '<a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=add_item&type=' . TOOL_STUDENTPUBLICATION . '&lp_id=' . $this->lp_id . '">' . get_lang('AddAssignmentPage') . '</a>';
- $return .= '</div>';
- $return .= '</div>';
-
- return $return;
- }
-
- function get_forums()
- {
- include ('../forum/forumfunction.inc.php');
- include ('../forum/forumconfig.inc.php');
- global $table_forums, $table_threads,$table_posts, $table_item_property, $table_users;
- $table_forums = Database :: get_course_table(TABLE_FORUM);
- $table_threads = Database :: get_course_table(TABLE_FORUM_THREAD);
- $table_posts = Database :: get_course_table(TABLE_FORUM_POST);
- $table_item_property = Database :: get_course_table(TABLE_ITEM_PROPERTY);
- $table_users = Database :: get_main_table(TABLE_MAIN_USER);
- $a_forums = get_forums();
-
- $return .= '<div class="lp_resource_header"' . " onclick=\"if(document.getElementById('forums').style.display == 'block') {document.getElementById('forums').style.display = 'none';} else {document.getElementById('forums').style.display = 'block';}\"" . ' style="border-bottom:1px solid #999999; cursor:pointer;"><img align="left" alt="" src="../img/lp_forum.gif" style="margin-right:5px;" title="" />'.get_lang('Forums').'</div>';
- $return .= '<div class="lp_resource_elements" id="forums" style="border-bottom:1px solid #999999; border-top:0;">';
-
- foreach($a_forums as $forum)
- {
- $return .= '<div class="lp_resource_element">';
- $return .= '<script type="text/javascript">
- function toggle_forum(forum_id){
- if(document.getElementById("forum_"+forum_id+"_content").style.display == "none"){
- document.getElementById("forum_"+forum_id+"_content").style.display = "block";
- document.getElementById("forum_"+forum_id+"_opener").src = "'.api_get_path(WEB_IMG_PATH).'remove.gif";
- }
- else {
- document.getElementById("forum_"+forum_id+"_content").style.display = "none";
- document.getElementById("forum_"+forum_id+"_opener").src = "'.api_get_path(WEB_IMG_PATH).'add.gif";
- }
- }
- </script>
- ';
- $return .= '<img align="left" alt="" src="../img/lp_forum.gif" style="margin-right:5px;" title="" />';
- $return .= '<a style="cursor:hand" onclick="toggle_forum('.$forum['forum_id'].')" style="vertical-align:middle"><img src="'.api_get_path(WEB_IMG_PATH).'add.gif" id="forum_'.$forum['forum_id'].'_opener" align="absbottom" /></a>
- <a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=add_item&type=' . TOOL_FORUM . '&forum_id=' . $forum['forum_id'] . '&lp_id=' . $this->lp_id . '" style="vertical-align:middle">' . $forum['forum_title'] . '</a><ul style="display:none" id="forum_'.$forum['forum_id'].'_content">';
- $a_threads = get_threads($forum['forum_id']);
- if(is_array($a_threads)){
- foreach($a_threads as $thread)
- {
- $return .= '<li><a href="' .api_get_self(). '?cidReq=' . $_GET['cidReq'] . '&action=add_item&type=' . TOOL_THREAD . '&thread_id=' . $thread['thread_id'] . '&lp_id=' . $this->lp_id . '">' . $thread['thread_title'] . '</a></li>';
- }
- }
- $return .= '</ul></div>';
- }
-
- $return .= '<div class="lp_resource_element">';
- $return .= '<img align="left" alt="" src="../img/forum_new_small.gif" style="margin-right:5px;" title="" />';
- $return .= '<a href="'.api_get_path(REL_CODE_PATH).'forum/index.php?'.api_get_cidreq().'&action=add&content=forum" title="'.get_lang('CreateANewForum').'">'.get_lang('CreateANewForum').'</a>';
- $return .= '</div>';
-
- return $return;
- }
-
- /**
- * Exports the learning path as a SCORM package. This is the main function that
- * gathers the content, transforms it, writes the imsmanifest.xml file, zips the
- * whole thing and returns the zip.
- *
- * This method needs to be called in PHP5, as it will fail with non-adequate
- * XML package (like the ones for PHP4), and it is *not* a static method, so
- * you need to call it on a learnpath object.
- * @TODO The method might be redefined later on in the scorm class itself to avoid
- * creating a SCORM structure if there is one already. However, if the initial SCORM
- * path has been modified, it should use the generic method here below.
- * @TODO link this function with the export_lp() function in the same class
- * @param string Optional name of zip file. If none, title of learnpath is
- * domesticated and trailed with ".zip"
- * @return string Returns the zip package string, or null if error
- */
- function scorm_export()
- {
- global $_course;
- if (!class_exists('DomDocument'))
- {
- error_log('DOM functions not supported for PHP version below 5.0',0);
- $this->error = 'PHP DOM functions not supported for PHP versions below 5.0';
- return null;
- }
- //remove memory and time limits as much as possible as this might be a long process...
- if(function_exists('ini_set'))
- {
- $mem = ini_get('memory_limit');
- if(substr($mem,-1,1)=='M')
- {
- $mem_num = substr($mem,0,-1);
- if($mem_num<128)
- {
- ini_set('memory_limit','128M');
- }
- }
- else
- {
- ini_set('memory_limit','128M');
- }
- ini_set('max_execution_time',600);
- //}else{
- //error_log('Scorm export: could not change memory and time limits',0);
- }
- //Create the zip handler (this will remain available throughout the method)
- $garbage_path = api_get_path(GARBAGE_PATH);
- $sys_course_path = api_get_path(SYS_COURSE_PATH);
- $temp_dir_short = uniqid();
- $temp_zip_dir = $garbage_path."/".$temp_dir_short;
- $temp_zip_file = $temp_zip_dir."/".md5(time()).".zip";
- $zip_folder=new PclZip($temp_zip_file);
- $current_course_path = api_get_path(SYS_COURSE_PATH).api_get_course_path();
- $root_path = $main_path = api_get_path(SYS_PATH);
- $files_cleanup = array();
-
- //place to temporarily stash the zipfiles
- //create the temp dir if it doesn't exist
- //or do a cleanup befor creating the zipfile
- if(!is_dir($temp_zip_dir))
- {
- mkdir($temp_zip_dir);
- }
- else
- {//cleanup: check the temp dir for old files and delete them
- $handle=opendir($temp_zip_dir);
- while (false!==($file = readdir($handle)))
- {
- if ($file != "." && $file != "..")
- {
- unlink("$temp_zip_dir/$file");
- }
- }
- closedir($handle);
- }
- $zip_files = $zip_files_abs = $zip_files_dist = array();
- if(is_dir($current_course_path.'/scorm/'.$this->path) && is_file($current_course_path.'/scorm/'.$this->path.'/imsmanifest.xml'))
- {
- // remove the possible . at the end of the path
- $dest_path_to_lp = substr($this->path, -1) == '.' ? substr($this->path, 0, -1) : $this->path;
- $dest_path_to_scorm_folder = str_replace('//','/',$temp_zip_dir.'/scorm/'.$dest_path_to_lp);
- $perm = api_get_setting('permissions_for_new_directories');
- $perm = octdec(!empty($perm)?$perm:'0770');
- mkdir ($dest_path_to_scorm_folder, $perm, true);
- $zip_files_dist = copyr($current_course_path.'/scorm/'.$this->path, $dest_path_to_scorm_folder, array('imsmanifest'), $zip_files);
- }
- //Build a dummy imsmanifest structure. Do not add to the zip yet (we still need it)
- //This structure is developed following regulations for SCORM 1.2 packaging in the SCORM 1.2 Content
- //Aggregation Model official document, secion "2.3 Content Packaging"
- $xmldoc = new DOMDocument('1.0',$this->encoding);
- $root = $xmldoc->createElement('manifest');
- $root->setAttribute('identifier','SingleCourseManifest');
- $root->setAttribute('version','1.1');
- $root->setAttribute('xmlns','http://www.imsproject.org/xsd/imscp_rootv1p1p2');
- $root->setAttribute('xmlns:adlcp','http://www.adlnet.org/xsd/adlcp_rootv1p2');
- $root->setAttribute('xmlns:xsi','http://www.w3.org/2001/XMLSchema-instance');
- $root->setAttribute('xsi:schemaLocation','http://www.imsproject.org/xsd/imscp_rootv1p1p2 imscp_rootv1p1p2.xsd
- http://www.imsglobal.org/xsd/imsmd_rootv1p2p1 imsmd_rootv1p2p1.xsd
- http://www.adlnet.org/xsd/adlcp_rootv1p2 adlcp_rootv1p2.xsd');
- //Build mandatory sub-root container elements
- $metadata = $xmldoc->createElement('metadata');
- $md_schema = $xmldoc->createElement('schema','ADL SCORM');
- $metadata->appendChild($md_schema);
- $md_schemaversion = $xmldoc->createElement('schemaversion','1.2');
- $metadata->appendChild($md_schemaversion);
- $root->appendChild($metadata);
-
- $organizations = $xmldoc->createElement('organizations');
-
- $resources = $xmldoc->createElement('resources');
-
- //Build the only organization we will use in building our learnpaths
- $organizations->setAttribute('default','dokeos_scorm_export');
- $organization = $xmldoc->createElement('organization');
- $organization->setAttribute('identifier','dokeos_scorm_export');
- //to set the title of the SCORM entity (=organization), we take the name given
- //in Dokeos and convert it to HTML entities using the Dokeos charset (not the
- //learning path charset) as it is the encoding that defines how it is stored
- //in the database. Then we convert it to HTML entities again as the "&" character
- //alone is not authorized in XML (must be &)
- //The title is then decoded twice when extracting (see scorm::parse_manifest)
- global $charset;
- $org_title = $xmldoc->createElement('title',htmlentities(htmlentities($this->get_name(),ENT_QUOTES,$charset)));
- $organization->appendChild($org_title);
-
- //For each element, add it to the imsmanifest structure, then add it to the zip.
- //Always call the learnpathItem->scorm_export() method to change it to the SCORM
- //format
- $link_updates = array();
- foreach($this->items as $index => $item){
- if(!in_array($item->type , array(TOOL_QUIZ, TOOL_FORUM, TOOL_THREAD, TOOL_LINK, TOOL_STUDENTPUBLICATION)))
- {
- //get included documents from this item
- if($item->type=='sco')
- $inc_docs = $item->get_resources_from_source(null,api_get_path(SYS_COURSE_PATH).api_get_course_path().'/'.'scorm/'.$this->path.'/'.$item->get_path());
- else
- $inc_docs = $item->get_resources_from_source();
- //give a child element <item> to the <organization> element
- $my_item_id = $item->get_id();
- $my_item = $xmldoc->createElement('item');
- $my_item->setAttribute('identifier','ITEM_'.$my_item_id);
- $my_item->setAttribute('identifierref','RESOURCE_'.$my_item_id);
- $my_item->setAttribute('isvisible','true');
- //give a child element <title> to the <item> element
- $my_title = $xmldoc->createElement('title',htmlspecialchars($item->get_title(),ENT_QUOTES));
- $my_item->appendChild($my_title);
- //give a child element <adlcp:prerequisites> to the <item> element
- $my_prereqs = $xmldoc->createElement('adlcp:prerequisites',$this->get_scorm_prereq_string($my_item_id));
- $my_prereqs->setAttribute('type','aicc_script');
- $my_item->appendChild($my_prereqs);
- //give a child element <adlcp:maxtimeallowed> to the <item> element - not yet supported
- //$xmldoc->createElement('adlcp:maxtimeallowed','');
- //give a child element <adlcp:timelimitaction> to the <item> element - not yet supported
- //$xmldoc->createElement('adlcp:timelimitaction','');
- //give a child element <adlcp:datafromlms> to the <item> element - not yet supported
- //$xmldoc->createElement('adlcp:datafromlms','');
- //give a child element <adlcp:masteryscore> to the <item> element
- $my_masteryscore = $xmldoc->createElement('adlcp:masteryscore',$item->masteryscore);
- $my_item->appendChild($my_masteryscore);
-
-
- //attach this item to the organization element or hits parent if there is one
- if(!empty($item->parent) && $item->parent!=0)
- {
- $children = $organization->childNodes;
- $possible_parent = &$this->get_scorm_xml_node($children,'ITEM_'.$item->parent);
- if(is_object($possible_parent))
- {
- $possible_parent->appendChild($my_item);
- }
- else
- {
- if($this->debug>0){error_log('Parent ITEM_'.$item->parent.' of item ITEM_'.$my_item_id.' not found');}
- }
- }
- else
- {
- if($this->debug>0){error_log('No parent');}
- $organization->appendChild($my_item);
- }
-
-
- //get the path of the file(s) from the course directory root
- $my_file_path = $item->get_file_path('scorm/'.$this->path.'/');
-
- $my_xml_file_path = htmlentities($my_file_path);
- $my_sub_dir = dirname($my_file_path);
- $my_xml_sub_dir = htmlentities($my_sub_dir);
- //give a <resource> child to the <resources> element
- $my_resource = $xmldoc->createElement('resource');
- $my_resource->setAttribute('identifier','RESOURCE_'.$item->get_id());
- $my_resource->setAttribute('type','webcontent');
- $my_resource->setAttribute('href',$my_xml_file_path);
- //adlcp:scormtype can be either 'sco' or 'asset'
- if($item->type=='sco')
- {
- $my_resource->setAttribute('adlcp:scormtype','sco');
- }
- else
- {
- $my_resource->setAttribute('adlcp:scormtype','asset');
- }
- //xml:base is the base directory to find the files declared in this resource
- $my_resource->setAttribute('xml:base','');
- //give a <file> child to the <resource> element
- $my_file = $xmldoc->createElement('file');
- $my_file->setAttribute('href',$my_xml_file_path);
- $my_resource->appendChild($my_file);
-
- //dependency to other files - not yet supported
- $i = 1;
- foreach($inc_docs as $doc_info)
- {
- if(count($doc_info)<1 or empty($doc_info[0])){continue;}
- $my_dep = $xmldoc->createElement('resource');
- $res_id = 'RESOURCE_'.$item->get_id().'_'.$i;
- $my_dep->setAttribute('identifier',$res_id);
- $my_dep->setAttribute('type','webcontent');
- $my_dep->setAttribute('adlcp:scormtype','asset');
- $my_dep_file = $xmldoc->createElement('file');
- //check type of URL
- //error_log('Now dealing with '.$doc_info[0].' of type '.$doc_info[1].'-'.$doc_info[2],0);
- if($doc_info[1] == 'remote')
- { //remote file. Save url as is
- $my_dep_file->setAttribute('href',$doc_info[0]);
- $my_dep->setAttribute('xml:base','');
- }elseif($doc_info[1] == 'local'){
- switch($doc_info[2])
- {
- case 'url': //local URL - save path as url for now, don't zip file
- $abs_path = api_get_path(SYS_PATH).str_replace(api_get_path(WEB_PATH),'',$doc_info[0]);
- $current_dir = dirname($abs_path);
- $file_path = realpath($abs_path);
- $my_dep_file->setAttribute('href',$file_path);
- $my_dep->setAttribute('xml:base','');
- if(strstr($file_path,$main_path) !== false)
- {//the calculated real path is really inside the dokeos root path
- //reduce file path to what's under the DocumentRoot
- $file_path = substr($file_path,strlen($root_path));
- //echo $file_path;echo '<br><br>';
- //error_log('Reduced path: '.$file_path,0);
- $zip_files_abs[] = $file_path;
- $link_updates[$my_file_path][] = array('orig'=>$doc_info[0],'dest'=>$file_path);
- $my_dep_file->setAttribute('href',$file_path);
- $my_dep->setAttribute('xml:base','');
- }
- else if (empty($file_path))
- {
- /*$document_root = substr(api_get_path(SYS_PATH), 0, strpos(api_get_path(SYS_PATH),api_get_path(REL_PATH)));
- if(strpos($document_root,-1)=='/')
- {
- $document_root = substr(0, -1, $document_root);
- }*/
- $file_path = $_SERVER['DOCUMENT_ROOT'].$abs_path;
- $file_path = str_replace('//','/',$file_path);
- if(file_exists($file_path))
- {
- $file_path = substr($file_path,strlen($current_dir)); // we get the relative path
- $zip_files[] = $my_sub_dir.'/'.$file_path;
- $link_updates[$my_file_path][] = array('orig'=>$doc_info[0],'dest'=>$file_path);
- $my_dep_file->setAttribute('href',$file_path);
- $my_dep->setAttribute('xml:base','');
- }
- }
- break;
- case 'abs': //absolute path from DocumentRoot. Save file and leave path as is in the zip
- $my_dep_file->setAttribute('href',$doc_info[0]);
- $my_dep->setAttribute('xml:base','');
-
- //$current_dir = dirname($current_course_path.'/'.$item->get_file_path()).'/';
-
- $file_path = realpath(api_get_path(SYS_PATH).$doc_info[0]);
- $file_path = str_replace('//','/',$file_path);
- //prepare the current directory path (until just under 'document') with a trailing slash
- $cur_path = substr($current_course_path,-1)=='/'?$current_course_path:$current_course_path.'/';
-
- //check if the current document is in that path
- if(strstr($file_path,$cur_path) !== false)
- {
- //the document is in that path, now get the relative path
- //to the containing document
- $orig_file_path = dirname($cur_path.$my_file_path).'/';
- $relative_path ='';
- if(strstr($file_path,$cur_path)!==false)
- {
- $relative_path = substr($file_path,strlen($orig_file_path));
- $file_path = substr($file_path,strlen($cur_path));
- }
- else
- {
- //this case is still a problem as it's difficult to calculate a relative path easily
- //might still generate wrong links
- //$file_path = substr($file_path,strlen($cur_path));
- //calculate the directory path to the current file (without trailing slash)
- $my_relative_path = dirname($file_path);
- $my_relative_file = basename($file_path);
- //calculate the directory path to the containing file (without trailing slash)
- $my_orig_file_path = substr($orig_file_path,0,-1);
- $dotdot = '';
- $subdir = '';
- while(strstr($my_relative_path,$my_orig_file_path)===false && (strlen($my_orig_file_path)>1) && (strlen($my_relative_path)>1))
- {
- $my_relative_path2 = dirname($my_relative_path);
- $my_orig_file_path = dirname($my_orig_file_path);
- $subdir = substr($my_relative_path,strlen($my_relative_path2)+1)."/".$subdir;
- $dotdot += '../';
- $my_relative_path = $my_relative_path2;
- }
- $relative_path = $dotdot.$subdir.$my_relative_file;
- }
- //put the current document in the zip (this array is the array
- //that will manage documents already in the course folder - relative)
- $zip_files[] = $file_path;
- //update the links to the current document in the containing document (make them relative)
- $link_updates[$my_file_path][] = array('orig'=>$doc_info[0],'dest'=>$relative_path);
- $my_dep_file->setAttribute('href',$file_path);
- $my_dep->setAttribute('xml:base','');
- }
- elseif(strstr($file_path,$main_path) !== false)
- {//the calculated real path is really inside the dokeos root path
- //reduce file path to what's under the DocumentRoot
- $file_path = substr($file_path,strlen($root_path));
- //echo $file_path;echo '<br><br>';
- //error_log('Reduced path: '.$file_path,0);
- $zip_files_abs[] = $file_path;
- $link_updates[$my_file_path][] = array('orig'=>$doc_info[0],'dest'=>$file_path);
- $my_dep_file->setAttribute('href','document/'.$file_path);
- $my_dep->setAttribute('xml:base','');
- }
- else if (empty($file_path))
- {
- /*$document_root = substr(api_get_path(SYS_PATH), 0, strpos(api_get_path(SYS_PATH),api_get_path(REL_PATH)));
- if(strpos($document_root,-1)=='/')
- {
- $document_root = substr(0, -1, $document_root);
- }*/
- $file_path = $_SERVER['DOCUMENT_ROOT'].$doc_info[0];
- $file_path = str_replace('//','/',$file_path);
- if(file_exists($file_path))
- {
- $file_path = substr($file_path,strlen($current_dir)); // we get the relative path
- $zip_files[] = $my_sub_dir.'/'.$file_path;
- $link_updates[$my_file_path][] = array('orig'=>$doc_info[0],'dest'=>$file_path);
- $my_dep_file->setAttribute('href','document/'.$file_path);
- $my_dep->setAttribute('xml:base','');
- }
- }
- break;
- case 'rel': //path relative to the current document. Save xml:base as current document's directory and save file in zip as subdir.file_path
- if(substr($doc_info[0],0,2)=='..')
- { //relative path going up
- $current_dir = dirname($current_course_path.'/'.$item->get_file_path()).'/';
- $file_path = realpath($current_dir.$doc_info[0]);
- //error_log($file_path.' <-> '.$main_path,0);
- if(strstr($file_path,$main_path) !== false)
- {//the calculated real path is really inside the dokeos root path
- //reduce file path to what's under the DocumentRoot
- $file_path = substr($file_path,strlen($root_path));
- //error_log('Reduced path: '.$file_path,0);
- $zip_files_abs[] = $file_path;
- $link_updates[$my_file_path][] = array('orig'=>$doc_info[0],'dest'=>$file_path);
- $my_dep_file->setAttribute('href','document/'.$file_path);
- $my_dep->setAttribute('xml:base','');
- }
- }else{
- $zip_files[] = $my_sub_dir.'/'.$doc_info[0];
- $my_dep_file->setAttribute('href',$doc_info[0]);
- $my_dep->setAttribute('xml:base',$my_xml_sub_dir);
- }
- break;
- default:
- $my_dep_file->setAttribute('href',$doc_info[0]);
- $my_dep->setAttribute('xml:base','');
- break;
- }
- }
- $my_dep->appendChild($my_dep_file);
- $resources->appendChild($my_dep);
- $dependency = $xmldoc->createElement('dependency');
- $dependency->setAttribute('identifierref',$res_id);
- $my_resource->appendChild($dependency);
- $i++;
- }
- //$my_dependency = $xmldoc->createElement('dependency');
- //$my_dependency->setAttribute('identifierref','');
- $resources->appendChild($my_resource);
- $zip_files[] = $my_file_path;
-
- //error_log('File '.$my_file_path. ' added to $zip_files',0);
- }
- else
- { // if the item is a quiz or a link or whatever non-exportable, we include a step indicating it
-
- if($item->type == TOOL_LINK)
- {
- $my_item = $xmldoc->createElement('item');
- $my_item->setAttribute('identifier','ITEM_'.$item->get_id());
- $my_item->setAttribute('identifierref','RESOURCE_'.$item->get_id());
- $my_item->setAttribute('isvisible','true');
- //give a child element <title> to the <item> element
- $my_title = $xmldoc->createElement('title',htmlspecialchars($item->get_title(),ENT_QUOTES));
- $my_item->appendChild($my_title);
- //give a child element <adlcp:prerequisites> to the <item> element
- $my_prereqs = $xmldoc->createElement('adlcp:prerequisites',$item->get_prereq_string());
- $my_prereqs->setAttribute('type','aicc_script');
- $my_item->appendChild($my_prereqs);
- //give a child element <adlcp:maxtimeallowed> to the <item> element - not yet supported
- //$xmldoc->createElement('adlcp:maxtimeallowed','');
- //give a child element <adlcp:timelimitaction> to the <item> element - not yet supported
- //$xmldoc->createElement('adlcp:timelimitaction','');
- //give a child element <adlcp:datafromlms> to the <item> element - not yet supported
- //$xmldoc->createElement('adlcp:datafromlms','');
- //give a child element <adlcp:masteryscore> to the <item> element
- $my_masteryscore = $xmldoc->createElement('adlcp:masteryscore',$item->masteryscore);
- $my_item->appendChild($my_masteryscore);
-
-
- //attach this item to the organization element or its parent if there is one
- if(!empty($item->parent) && $item->parent!=0)
- {
- $children = $organization->childNodes;
- for($i=0;$i<$children->length;$i++){
- $item_temp = $children->item($i);
- if ($item_temp -> nodeName == 'item')
- {
- if($item_temp->getAttribute('identifier') == 'ITEM_'.$item->parent)
- {
- $item_temp -> appendChild($my_item);
- }
-
- }
- }
- }
- else
- {
- $organization->appendChild($my_item);
- }
- $my_file_path = 'link_'.$item->get_id().'.html';
- $sql = 'SELECT url, title FROM '.Database :: get_course_table(TABLE_LINK).' WHERE id='.$item->path;
- $rs = api_sql_query($sql, __FILE__, __LINE__);
- if($link = Database :: fetch_array($rs))
- {
- $url = $link['url'];
- $title = stripslashes($link['title']);
- $links_to_create[$my_file_path] = array('title'=>$title,'url'=>$url);
- $my_xml_file_path = htmlentities($my_file_path);
- $my_sub_dir = dirname($my_file_path);
- $my_xml_sub_dir = htmlentities($my_sub_dir);
- //give a <resource> child to the <resources> element
- $my_resource = $xmldoc->createElement('resource');
- $my_resource->setAttribute('identifier','RESOURCE_'.$item->get_id());
- $my_resource->setAttribute('type','webcontent');
- $my_resource->setAttribute('href',$my_xml_file_path);
- //adlcp:scormtype can be either 'sco' or 'asset'
- $my_resource->setAttribute('adlcp:scormtype','asset');
- //xml:base is the base directory to find the files declared in this resource
- $my_resource->setAttribute('xml:base','');
- //give a <file> child to the <resource> element
- $my_file = $xmldoc->createElement('file');
- $my_file->setAttribute('href',$my_xml_file_path);
- $my_resource->appendChild($my_file);
- $resources->appendChild($my_resource);
- }
- }
- elseif($item->type == TOOL_QUIZ)
- {
- require_once(api_get_path(SYS_CODE_PATH).'exercice/exercise.class.php');
- $exe_id = $item->path; //should be using ref when everything will be cleaned up in this regard
- $exe = new Exercise();
- $exe->read($exe_id);
- $my_item = $xmldoc->createElement('item');
- $my_item->setAttribute('identifier','ITEM_'.$item->get_id());
- $my_item->setAttribute('identifierref','RESOURCE_'.$item->get_id());
- $my_item->setAttribute('isvisible','true');
- //give a child element <title> to the <item> element
- $my_title = $xmldoc->createElement('title',htmlspecialchars($item->get_title(),ENT_QUOTES));
- $my_item->appendChild($my_title);
- //give a child element <adlcp:prerequisites> to the <item> element
- $my_prereqs = $xmldoc->createElement('adlcp:prerequisites',$item->get_prereq_string());
- $my_prereqs->setAttribute('type','aicc_script');
- $my_item->appendChild($my_prereqs);
- //give a child element <adlcp:masteryscore> to the <item> element
- $my_masteryscore = $xmldoc->createElement('adlcp:masteryscore',$item->masteryscore);
- $my_item->appendChild($my_masteryscore);
- //attach this item to the organization element or hits parent if there is one
- if(!empty($item->parent) && $item->parent!=0)
- {
- $children = $organization->childNodes;
- for($i=0;$i<$children->length;$i++){
- $item_temp = $children->item($i);
- if ($item_temp -> nodeName == 'item')
- {
- if($item_temp->getAttribute('identifier') == 'ITEM_'.$item->parent)
- {
- $item_temp -> appendChild($my_item);
- }
-
- }
- }
- }
- else
- {
- $organization->appendChild($my_item);
- }
-
- //include export scripts
- require_once(api_get_path(SYS_CODE_PATH).'exercice/export/scorm/scorm_export.php');
- //get the path of the file(s) from the course directory root
- //$my_file_path = $item->get_file_path('scorm/'.$this->path.'/');
- $my_file_path = 'quiz_'.$item->get_id().'.html';
- //write the contents of the exported exercise into a (big) html file
- //to later pack it into the exported SCORM. The file will be removed afterwards
- $contents = export_exercise($exe_id,true);
- $tmp_file_path = $garbage_path.$temp_dir_short.'/'.$my_file_path;
- $res = file_put_contents($tmp_file_path,$contents);
- if($res === false){error_log('Could not write into file '.$tmp_file_path.' '.__FILE__.' '.__LINE__,0);}
- $files_cleanup[] = $tmp_file_path;
- //error_log($tmp_path);die();
- $my_xml_file_path = htmlentities($my_file_path);
- $my_sub_dir = dirname($my_file_path);
- $my_xml_sub_dir = htmlentities($my_sub_dir);
- //give a <resource> child to the <resources> element
- $my_resource = $xmldoc->createElement('resource');
- $my_resource->setAttribute('identifier','RESOURCE_'.$item->get_id());
- $my_resource->setAttribute('type','webcontent');
- $my_resource->setAttribute('href',$my_xml_file_path);
- //adlcp:scormtype can be either 'sco' or 'asset'
- $my_resource->setAttribute('adlcp:scormtype','sco');
- //xml:base is the base directory to find the files declared in this resource
- $my_resource->setAttribute('xml:base','');
- //give a <file> child to the <resource> element
- $my_file = $xmldoc->createElement('file');
- $my_file->setAttribute('href',$my_xml_file_path);
- $my_resource->appendChild($my_file);
- //get included docs
- $inc_docs = $item->get_resources_from_source(null,$tmp_file_path);
- //dependency to other files - not yet supported
- $i = 1;
- foreach($inc_docs as $doc_info)
- {
- if(count($doc_info)<1 or empty($doc_info[0])){continue;}
- $my_dep = $xmldoc->createElement('resource');
- $res_id = 'RESOURCE_'.$item->get_id().'_'.$i;
- $my_dep->setAttribute('identifier',$res_id);
- $my_dep->setAttribute('type','webcontent');
- $my_dep->setAttribute('adlcp:scormtype','asset');
- $my_dep_file = $xmldoc->createElement('file');
- //check type of URL
- //error_log('Now dealing with '.$doc_info[0].' of type '.$doc_info[1].'-'.$doc_info[2],0);
- if($doc_info[1] == 'remote')
- { //remote file. Save url as is
- $my_dep_file->setAttribute('href',$doc_info[0]);
- $my_dep->setAttribute('xml:base','');
- }elseif($doc_info[1] == 'local'){
- switch($doc_info[2])
- {
- case 'url': //local URL - save path as url for now, don't zip file
- //save file but as local file (retrieve from URL)
- $abs_path = api_get_path(SYS_PATH).str_replace(api_get_path(WEB_PATH),'',$doc_info[0]);
- $current_dir = dirname($abs_path);
- $file_path = realpath($abs_path);
- $my_dep_file->setAttribute('href','document/'.$file_path);
- $my_dep->setAttribute('xml:base','');
- if(strstr($file_path,$main_path) !== false)
- {//the calculated real path is really inside the dokeos root path
- //reduce file path to what's under the DocumentRoot
- $file_path = substr($file_path,strlen($root_path));
- //echo $file_path;echo '<br><br>';
- //error_log('Reduced path: '.$file_path,0);
- $zip_files_abs[] = $file_path;
- $link_updates[$my_file_path][] = array('orig'=>$doc_info[0],'dest'=>'document/'.$file_path);
- $my_dep_file->setAttribute('href','document/'.$file_path);
- $my_dep->setAttribute('xml:base','');
- }
- else if (empty($file_path))
- {
- /*$document_root = substr(api_get_path(SYS_PATH), 0, strpos(api_get_path(SYS_PATH),api_get_path(REL_PATH)));
- if(strpos($document_root,-1)=='/')
- {
- $document_root = substr(0, -1, $document_root);
- }*/
- $file_path = $_SERVER['DOCUMENT_ROOT'].$abs_path;
- $file_path = str_replace('//','/',$file_path);
- if(file_exists($file_path))
- {
- $file_path = substr($file_path,strlen($current_dir)); // we get the relative path
- $zip_files[] = $my_sub_dir.'/'.$file_path;
- $link_updates[$my_file_path][] = array('orig'=>$doc_info[0],'dest'=>'document/'.$file_path);
- $my_dep_file->setAttribute('href','document/'.$file_path);
- $my_dep->setAttribute('xml:base','');
- }
- }
- break;
- case 'abs': //absolute path from DocumentRoot. Save file and leave path as is in the zip
- $current_dir = dirname($current_course_path.'/'.$item->get_file_path()).'/';
- $file_path = realpath($doc_info[0]);
- $my_dep_file->setAttribute('href',$file_path);
- $my_dep->setAttribute('xml:base','');
-
- if(strstr($file_path,$main_path) !== false)
- {//the calculated real path is really inside the dokeos root path
- //reduce file path to what's under the DocumentRoot
- $file_path = substr($file_path,strlen($root_path));
- //echo $file_path;echo '<br><br>';
- //error_log('Reduced path: '.$file_path,0);
- $zip_files_abs[] = $file_path;
- $link_updates[$my_file_path][] = array('orig'=>$doc_info[0],'dest'=>$file_path);
- $my_dep_file->setAttribute('href','document/'.$file_path);
- $my_dep->setAttribute('xml:base','');
- }
- else if (empty($file_path))
- {
- /*$document_root = substr(api_get_path(SYS_PATH), 0, strpos(api_get_path(SYS_PATH),api_get_path(REL_PATH)));
- if(strpos($document_root,-1)=='/')
- {
- $document_root = substr(0, -1, $document_root);
- }*/
- $file_path = $_SERVER['DOCUMENT_ROOT'].$doc_info[0];
- $file_path = str_replace('//','/',$file_path);
- if(file_exists($file_path))
- {
- $file_path = substr($file_path,strlen($current_dir)); // we get the relative path
- $zip_files[] = $my_sub_dir.'/'.$file_path;
- $link_updates[$my_file_path][] = array('orig'=>$doc_info[0],'dest'=>$file_path);
- $my_dep_file->setAttribute('href','document/'.$file_path);
- $my_dep->setAttribute('xml:base','');
- }
- }
- break;
- case 'rel': //path relative to the current document. Save xml:base as current document's directory and save file in zip as subdir.file_path
- if(substr($doc_info[0],0,2)=='..')
- { //relative path going up
- $current_dir = dirname($current_course_path.'/'.$item->get_file_path()).'/';
- $file_path = realpath($current_dir.$doc_info[0]);
- //error_log($file_path.' <-> '.$main_path,0);
- if(strstr($file_path,$main_path) !== false)
- {//the calculated real path is really inside the dokeos root path
- //reduce file path to what's under the DocumentRoot
- $file_path = substr($file_path,strlen($root_path));
- //error_log('Reduced path: '.$file_path,0);
- $zip_files_abs[] = $file_path;
- $link_updates[$my_file_path][] = array('orig'=>$doc_info[0],'dest'=>$file_path);
- $my_dep_file->setAttribute('href','document/'.$file_path);
- $my_dep->setAttribute('xml:base','');
- }
- }else{
- $zip_files[] = $my_sub_dir.'/'.$doc_info[0];
- $my_dep_file->setAttribute('href',$doc_info[0]);
- $my_dep->setAttribute('xml:base',$my_xml_sub_dir);
- }
- break;
- default:
- $my_dep_file->setAttribute('href',$doc_info[0]);
- $my_dep->setAttribute('xml:base','');
- break;
- }
- }
- $my_dep->appendChild($my_dep_file);
- $resources->appendChild($my_dep);
- $dependency = $xmldoc->createElement('dependency');
- $dependency->setAttribute('identifierref',$res_id);
- $my_resource->appendChild($dependency);
- $i++;
- }
- $resources->appendChild($my_resource);
- $zip_files[] = $my_file_path;
-
- }
- else
- {
-
- //get the path of the file(s) from the course directory root
- $my_file_path = 'non_exportable.html';
- $my_xml_file_path = htmlentities($my_file_path);
- $my_sub_dir = dirname($my_file_path);
- $my_xml_sub_dir = htmlentities($my_sub_dir);
- //give a <resource> child to the <resources> element
- $my_resource = $xmldoc->createElement('resource');
- $my_resource->setAttribute('identifier','RESOURCE_'.$item->get_id());
- $my_resource->setAttribute('type','webcontent');
- $my_resource->setAttribute('href','document/'.$my_xml_file_path);
- //adlcp:scormtype can be either 'sco' or 'asset'
- $my_resource->setAttribute('adlcp:scormtype','asset');
- //xml:base is the base directory to find the files declared in this resource
- $my_resource->setAttribute('xml:base','');
- //give a <file> child to the <resource> element
- $my_file = $xmldoc->createElement('file');
- $my_file->setAttribute('href','document/'.$my_xml_file_path);
- $my_resource->appendChild($my_file);
- $resources->appendChild($my_resource);
-
- }
- }
- }
- $organizations->appendChild($organization);
- $root->appendChild($organizations);
- $root->appendChild($resources);
- $xmldoc->appendChild($root);
- //todo: add a readme file here, with a short description and a link to the Reload player
- //then add the file to the zip, then destroy the file (this is done automatically)
- // http://www.reload.ac.uk/scormplayer.html - once done, don't forget to close FS#138
- //error_log(print_r($zip_files,true),0);
- foreach($zip_files as $file_path)
- {
- if(empty($file_path)){continue;}
- //error_log('getting document from '.api_get_path('SYS_COURSE_PATH').$_course['path'].'/'.$file_path.' removing '.api_get_path('SYS_COURSE_PATH').$_course['path'].'/',0);
- $dest_file = $garbage_path.$temp_dir_short.'/'.$file_path;
- $this->create_path($dest_file);
- //error_log('copy '.api_get_path('SYS_COURSE_PATH').$_course['path'].'/'.$file_path.' to '.api_get_path('GARBAGE_PATH').$temp_dir_short.'/'.$file_path,0);
- //echo $main_path.$file_path.'<br>';
- @copy($sys_course_path.$_course['path'].'/'.$file_path,$dest_file);
- //check if the file needs a link update
- if(in_array($file_path,array_keys($link_updates))){
- $string = file_get_contents($dest_file);
- unlink($dest_file);
- foreach($link_updates[$file_path] as $old_new)
- {
- //error_log('Replacing '.$old_new['orig'].' by '.$old_new['dest'].' in '.$file_path,0);
- $string = str_replace($old_new['orig'],$old_new['dest'],$string);
- }
- file_put_contents($dest_file,$string);
- }
- }
- foreach($zip_files_abs as $file_path)
- {
- if(empty($file_path)){continue;}
- //error_log('getting document from '.api_get_path('SYS_COURSE_PATH').$_course['path'].'/'.$file_path.' removing '.api_get_path('SYS_COURSE_PATH').$_course['path'].'/',0);
- $dest_file = $garbage_path.$temp_dir_short.'/document/'.$file_path;
- $this->create_path($dest_file);
- //error_log('Created path '.api_get_path('GARBAGE_PATH').$temp_dir_short.'/document/'.$file_path,0);
- //error_log('copy '.api_get_path('SYS_COURSE_PATH').$_course['path'].'/'.$file_path.' to '.api_get_path('GARBAGE_PATH').$temp_dir_short.'/'.$file_path,0);
- //echo $main_path.$file_path.' - '.$dest_file.'<br>';
-
- copy($main_path.$file_path,$dest_file);
- //check if the file needs a link update
- if(in_array($file_path,array_keys($link_updates))){
- $string = file_get_contents($dest_file);
- unlink($dest_file);
- foreach($link_updates[$file_path] as $old_new)
- {
- //error_log('Replacing '.$old_new['orig'].' by '.$old_new['dest'].' in '.$file_path,0);
- $string = str_replace($old_new['orig'],$old_new['dest'],$string);
- }
- file_put_contents($dest_file,$string);
- }
- }
- if(is_array($links_to_create))
- {
- foreach($links_to_create as $file=>$link)
- {
- $file_content = '<html><body><div style="text-align:center"><a href="'.$link['url'].'">'.$link['title'].'</a></div></body></html>';
- file_put_contents($garbage_path.$temp_dir_short.'/'.$file, $file_content);
- }
- }
- // add non exportable message explanation
- $lang_not_exportable = get_lang('ThisItemIsNotExportable');
- $file_content =
- <<<EOD
- <html>
- <head>
- <style>
- .error-message {
- font-family: arial, verdana, helvetica, sans-serif;
- border-width: 1px;
- border-style: solid;
- left: 50%;
- margin: 10px auto;
- min-height: 30px;
- padding: 5px;
- right: 50%;
- width: 500px;
- background-color: #FFD1D1;
- border-color: #FF0000;
- color: #000;
- }
- </style>
- <body>
- <div class="error-message">
- $lang_not_exportable
- </div>
- </body>
- </html>
- EOD;
- if(!is_dir($garbage_path.$temp_dir_short.'/document'))
- {
- @mkdir($garbage_path.$temp_dir_short.'/document');
- }
- file_put_contents($garbage_path.$temp_dir_short.'/document/non_exportable.html', $file_content);
-
- //Add the extra files that go along with a SCORM package
- $main_code_path = api_get_path(SYS_CODE_PATH).'newscorm/packaging/';
- $extra_files = scandir($main_code_path);
- foreach($extra_files as $extra_file)
- {
- if(strpos($extra_file,'.')===0) continue;
- else
- {
- $dest_file = $garbage_path.$temp_dir_short.'/'.$extra_file;
- $this->create_path($dest_file);
- copy($main_code_path.$extra_file,$dest_file);
- }
- }
-
- //Finalize the imsmanifest structure, add to the zip, then return the zip
-
- $xmldoc->save($garbage_path.'/'.$temp_dir_short.'/imsmanifest.xml');
-
-
- $zip_folder->add($garbage_path.'/'.$temp_dir_short, PCLZIP_OPT_REMOVE_PATH, $garbage_path.'/'.$temp_dir_short.'/');
- //clean possible temporary files
- foreach($files_cleanup as $file)
- {
- $res = unlink($file);
- if($res === false){error_log('Could not delete temp file '.$file.' '.__FILE__.' '.__LINE__,0);}
- }
- //Send file to client
- //$name = 'scorm_export_'.$this->lp_id.'.zip';
- require_once(api_get_path(LIBRARY_PATH).'fileUpload.lib.php');
- $name = preg_replace('([^a-zA-Z0-9_\.])','-',html_entity_decode($this->get_name(),ENT_QUOTES)).'.zip';
- DocumentManager::file_send_for_download($temp_zip_file,true,$name);
- }
- /**
- * Temp function to be moved in main_api or the best place around for this. Creates a file path
- * if it doesn't exist
- */
- function create_path($path){
- $path_bits = split('/',dirname($path));
- $path_built = '/';
- foreach($path_bits as $bit){
- if(!empty($bit)){
- $new_path = $path_built.$bit;
- if(is_dir($new_path)){
- $path_built = $new_path.'/';
- }
- else
- {
- mkdir($new_path);
- $path_built = $new_path.'/';
- }
- }
- }
- }
- }
- ?>
|