123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361 |
- <?php // $Id: course_category.php 9246 2006-09-25 13:24:53Z bmol $
- /*
- ==============================================================================
- Dokeos - elearning and course management software
- Copyright (c) 2004 Dokeos S.A.
- Copyright (c) 2003 Ghent University (UGent)
- Copyright (c) 2001 Universite catholique de Louvain (UCL)
- Copyright (c) Olivier Brouckaert
- For a full list of contributors, see "credits.txt".
- The full license can be read in "license.txt".
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License
- as published by the Free Software Foundation; either version 2
- of the License, or (at your option) any later version.
- See the GNU General Public License for more details.
- Contact: Dokeos, 181 rue Royale, B-1000 Brussels, Belgium, info@dokeos.com
- ==============================================================================
- */
- /**
- ==============================================================================
- * @package dokeos.admin
- ==============================================================================
- */
- $langFile='admin';
- $cidReset=true;
- require('../inc/global.inc.php');
- $this_section=SECTION_PLATFORM_ADMIN;
- api_protect_admin_script();
- $category=$_GET['category'];
- $action=$_GET['action'];
- $tbl_course = Database::get_main_table(MAIN_COURSE_TABLE);
- $tbl_category = Database::get_main_table(MAIN_CATEGORY_TABLE);
- $errorMsg='';
- if(!empty($action))
- {
- if($action == 'delete')
- {
- deleteNode($_GET['id']);
- header('Location: '.$_SERVER['PHP_SELF'].'?category='.$category);
- exit();
- }
- elseif(($action == 'add' || $action == 'edit') && $_POST['formSent'])
- {
- $_POST['categoryCode']=trim($_POST['categoryCode']);
- $_POST['categoryName']=trim($_POST['categoryName']);
- if(!empty($_POST['categoryCode']) && !empty($_POST['categoryName']))
- {
- if($action == 'add')
- {
- $ret=addNode($_POST['categoryCode'],$_POST['categoryName'],$_POST['canHaveCourses'],$category);
- }
- else
- {
- $ret=editNode($_POST['categoryCode'],$_POST['categoryName'],$_POST['canHaveCourses'],$_GET['id']);
- }
- if($ret)
- {
- $action='';
- }
- else
- {
- $errorMsg=get_lang('CatCodeAlreadyUsed');
- }
- }
- else
- {
- $errorMsg=get_lang('PleaseEnterCategoryInfo');
- }
- }
- elseif($action == 'edit')
- {
- $categoryCode=$_GET['id'];
- $result=api_sql_query("SELECT name,auth_course_child FROM $tbl_category WHERE code='$categoryCode'",__FILE__,__LINE__);
- list($categoryName,$canHaveCourses)=mysql_fetch_row($result);
- $canHaveCourses=($canHaveCourses == 'FALSE')?0:1;
- }
- elseif($action == 'moveUp')
- {
- moveNodeUp($_GET['id'],$_GET['tree_pos'],$category);
- header('Location: '.$_SERVER['PHP_SELF'].'?category='.$category);
- exit();
- }
- }
- $tool_name=get_lang('AdminCategories');
- //$interbreadcrumb[]=array("url" => "index.php","name" => get_lang('PlatformAdmin'));
- Display::display_header($tool_name);
- //api_display_tool_title($tool_name);
- if(empty($action))
- {
- $result=api_sql_query("SELECT t1.name,t1.code,t1.parent_id,t1.tree_pos,t1.children_count,COUNT(DISTINCT t3.code) AS nbr_courses FROM $tbl_category t1 LEFT JOIN $tbl_category t2 ON t1.code=t2.parent_id LEFT JOIN $tbl_course t3 ON t3.category_code=t1.code WHERE t1.parent_id ".(empty($category)?"IS NULL":"='$category'")." GROUP BY t1.name,t1.code,t1.parent_id,t1.tree_pos,t1.children_count ORDER BY t1.tree_pos",__FILE__,__LINE__);
- $Categories=api_store_result($result);
- }
- if(!empty($category) && empty($action))
- {
- $result=api_sql_query("SELECT parent_id FROM $tbl_category WHERE code='$category'",__FILE__,__LINE__);
- list($parent_id)=mysql_fetch_row($result);
- ?>
- <a href="<?php echo $_SERVER['PHP_SELF']; ?>?category=<?php echo urlencode($parent_id); ?>"><< <?php echo get_lang("Back"); if(!empty($parent_id)) echo ' ('.$parent_id.')'; ?></a>
- <?php
- }
- if($action == 'add' || $action == 'edit')
- {
- ?>
- <a href="<?php echo $_SERVER['PHP_SELF']; ?>?category=<?php echo urlencode($category); ?>"><< <?php echo get_lang("Back"); if(!empty($category)) echo ' ('.$category.')'; ?></a>
- <h3><?php echo ($action == 'add')?get_lang('AddACategory'):get_lang('EditNode'); if(!empty($category)) echo ' '.get_lang('Into').' '.$category; ?></h3>
- <form method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>?action=<?php echo $action; ?>&category=<?php echo urlencode($category); ?>&id=<?php echo urlencode(stripslashes($_GET['id'])); ?>">
- <input type="hidden" name="formSent" value="1" />
- <table border="0" cellpadding="5" cellspacing="0">
- <?php
- if(!empty($errorMsg))
- {
- ?>
- <tr>
- <td colspan="2">
- <?php
- Display::display_normal_message($errorMsg); //main API
- ?>
- </td>
- </tr>
- <?php
- }
- ?>
- <tr>
- <td nowrap="nowrap"><?php echo get_lang("CategoryCode"); ?> :</td>
- <td><input type="text" name="categoryCode" size="20" maxlength="20" value="<?php echo htmlentities(stripslashes($categoryCode)); ?>" /></td>
- </tr>
- <tr>
- <td nowrap="nowrap"><?php echo get_lang("CategoryName"); ?> :</td>
- <td><input type="text" name="categoryName" size="20" maxlength="100" value="<?php echo htmlentities(stripslashes($categoryName)); ?>" /></td>
- </tr>
- <tr>
- <td nowrap="nowrap"><?php echo get_lang("AllowCoursesInCategory"); ?></td>
- <td>
- <input class="checkbox" type="radio" name="canHaveCourses" value="0" <?php if(($action == 'edit' && !$canHaveCourses) || ($action == 'add' && $formSent && !$canHaveCourses)) echo 'checked="checked"'; ?> /><?php echo get_lang("No"); ?>
- <input class="checkbox" type="radio" name="canHaveCourses" value="1" <?php if(($action == 'edit' && $canHaveCourses) || ($action == 'add' && !$formSent || $canHaveCourses)) echo 'checked="checked"'; ?> /><?php echo get_lang("Yes"); ?>
- </td>
- </tr>
- <tr>
- <td> </td>
- <td><input type="submit" value="<?php echo get_lang("Ok"); ?>" /></td>
- </tr>
- </table>
- </form>
- <?php
- }
- else
- {
- ?>
- <ul>
- <?php
- if(sizeof($Categories))
- {
- foreach($Categories as $enreg)
- {
- ?>
- <li>
- <a href="<?php echo $_SERVER['PHP_SELF']; ?>?category=<?php echo urlencode($enreg['code']); ?>"><img src="../img/opendir.gif" border="0" title="<?php echo get_lang("OpenNode"); ?>" alt="" /></a>
- <a href="<?php echo $_SERVER['PHP_SELF']; ?>?category=<?php echo urlencode($category); ?>&action=edit&id=<?php echo urlencode($enreg['code']); ?>"><img src="../img/edit.gif" border="0" title="<?php echo get_lang("EditNode"); ?>" alt ="" /></a>
- <a href="<?php echo $_SERVER['PHP_SELF']; ?>?category=<?php echo urlencode($category); ?>&action=delete&id=<?php echo urlencode($enreg['code']); ?>" onclick="javascript:if(!confirm('<?php echo addslashes(htmlentities(get_lang('ConfirmYourChoice'))); ?>')) return false;"><img src="../img/delete.gif" border="0" title="<?php echo get_lang("DeleteNode"); ?>" alt="" /></a>
- <a href="<?php echo $_SERVER['PHP_SELF']; ?>?category=<?php echo urlencode($category); ?>&action=moveUp&id=<?php echo urlencode($enreg['code']); ?>&tree_pos=<?php echo $enreg['tree_pos']; ?>"><img src="../img/up.gif" border="0" title="<?php echo get_lang("UpInSameLevel"); ?>" alt="" /></a>
- <?php echo $enreg['name']; ?>
- (<?php echo $enreg['children_count']; ?> <?php echo get_lang("Categories"); ?> - <?php echo $enreg['nbr_courses']; ?> <?php echo get_lang("Courses"); ?>)
- </li>
- <?php
- }
- unset($Categories);
- }
- else
- {
- echo get_lang("NoCategories");
- }
- ?>
- </ul>
- <a href="<?php echo $_SERVER['PHP_SELF']; ?>?category=<?php echo $category; ?>&action=add"><?php echo get_lang("AddACategory"); if(!empty($category)) echo ' '.get_lang('Into').' '.$category; ?></a>
- <?php
- }
- /*
- ==============================================================================
- FOOTER
- ==============================================================================
- */
- Display::display_footer();
- /******** Functions ********/
- function deleteNode($node)
- {
- global $tbl_category, $tbl_course;
- $result=api_sql_query("SELECT parent_id,tree_pos FROM $tbl_category WHERE code='$node'",__FILE__,__LINE__);
- if($row=mysql_fetch_array($result))
- {
- if(!empty($row['parent_id']))
- {
- api_sql_query("UPDATE $tbl_course SET category_code='$row[parent_id]' WHERE category_code='$node'",__FILE__,__LINE__);
- api_sql_query("UPDATE $tbl_category SET parent_id='$row[parent_id]' WHERE parent_id='$node'",__FILE__,__LINE__);
- }
- else
- {
- api_sql_query("UPDATE $tbl_course SET category_code='' WHERE category_code='$node'",__FILE__,__LINE__);
- api_sql_query("UPDATE $tbl_category SET parent_id=NULL WHERE parent_id='$node'",__FILE__,__LINE__);
- }
- api_sql_query("UPDATE $tbl_category SET tree_pos=tree_pos-1 WHERE tree_pos > '$row[tree_pos]'",__FILE__,__LINE__);
- api_sql_query("DELETE FROM $tbl_category WHERE code='$node'",__FILE__,__LINE__);
- if(!empty($row['parent_id']))
- {
- updateFils($row['parent_id']);
- }
- }
- }
- function addNode($code,$name,$canHaveCourses,$parent_id)
- {
- global $tbl_category;
- $canHaveCourses=$canHaveCourses?'TRUE':'FALSE';
- $result=api_sql_query("SELECT 1 FROM $tbl_category WHERE code='$code'",__FILE__,__LINE__);
- if(mysql_num_rows($result))
- {
- return false;
- }
- $result=api_sql_query("SELECT MAX(tree_pos) AS maxTreePos FROM $tbl_category",__FILE__,__LINE__);
- $row=mysql_fetch_array($result);
- $tree_pos=$row['maxTreePos']+1;
- api_sql_query("INSERT INTO $tbl_category(name,code,parent_id,tree_pos,children_count,auth_course_child) VALUES('$name','$code',".(empty($parent_id)?"NULL":"'$parent_id'").",'$tree_pos','0','$canHaveCourses')",__FILE__,__LINE__);
- updateFils($parent_id);
- return true;
- }
- function editNode($code,$name,$canHaveCourses,$old_code)
- {
- global $tbl_category;
- $canHaveCourses=$canHaveCourses?'TRUE':'FALSE';
- if($code != $old_code)
- {
- $result=api_sql_query("SELECT 1 FROM $tbl_category WHERE code='$code'",__FILE__,__LINE__);
- if(mysql_num_rows($result))
- {
- return false;
- }
- }
- api_sql_query("UPDATE $tbl_category SET name='$name',code='$code',auth_course_child='$canHaveCourses' WHERE code='$old_code'",__FILE__,__LINE__);
- return true;
- }
- function moveNodeUp($code,$tree_pos,$parent_id)
- {
- global $tbl_category;
- $result=api_sql_query("SELECT code,tree_pos FROM $tbl_category WHERE parent_id ".(empty($parent_id)?"IS NULL":"='$parent_id'")." AND tree_pos<'$tree_pos' ORDER BY tree_pos DESC LIMIT 0,1",__FILE__,__LINE__);
- if(!$row=mysql_fetch_array($result))
- {
- $result=api_sql_query("SELECT code,tree_pos FROM $tbl_category WHERE parent_id ".(empty($parent_id)?"IS NULL":"='$parent_id'")." AND tree_pos>'$tree_pos' ORDER BY tree_pos DESC LIMIT 0,1",__FILE__,__LINE__);
- if(!$row=mysql_fetch_array($result))
- {
- return false;
- }
- }
- api_sql_query("UPDATE $tbl_category SET tree_pos='".$row['tree_pos']."' WHERE code='$code'",__FILE__,__LINE__);
- api_sql_query("UPDATE $tbl_category SET tree_pos='$tree_pos' WHERE code='$row[code]'",__FILE__,__LINE__);
- }
- function updateFils($category)
- {
- global $tbl_category;
- $result=api_sql_query("SELECT parent_id FROM $tbl_category WHERE code='$category'",__FILE__,__LINE__);
- if($row=mysql_fetch_array($result))
- {
- updateFils($row['parent_id']);
- }
- $children_count=compterFils($category,0)-1;
- api_sql_query("UPDATE $tbl_category SET children_count='$children_count' WHERE code='$category'",__FILE__,__LINE__);
- }
- function compterFils($pere,$cpt)
- {
- global $tbl_category;
- $result=api_sql_query("SELECT code FROM $tbl_category WHERE parent_id='$pere'",__FILE__,__LINE__);
- while($row=mysql_fetch_array($result))
- {
- $cpt=compterFils($row['code'],$cpt);
- }
- return ($cpt+1);
- }
- ?>
|