2column.php 13 KB

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  1. <?php // $Id: 2column.php,v 1.5 2006/08/10 14:34:54 pcool Exp $
  2. /*
  3. ==============================================================================
  4. Dokeos - elearning and course management software
  5. Copyright (c) 2004-2005 Dokeos S.A.
  6. Copyright (c) 2003 Ghent University
  7. Copyright (c) 2001 Universite Catholique de Louvain
  8. Copyright (c) various contributors
  9. For a full list of contributors, see "credits.txt".
  10. The full license can be read in "license.txt".
  11. This program is free software; you can redistribute it and/or
  12. modify it under the terms of the GNU General Public License
  13. as published by the Free Software Foundation; either version 2
  14. of the License, or (at your option) any later version.
  15. See the GNU General Public License for more details.
  16. Contact address: Dokeos, 44 rue des palais, B-1030 Brussels, Belgium
  17. Mail: info@dokeos.com
  18. ==============================================================================
  19. */
  20. /**
  21. ==============================================================================
  22. * HOME PAGE FOR EACH COURSE
  23. *
  24. * This page, included in every course's index.php is the home
  25. * page. To make administration simple, the teacher edits his
  26. * course from the home page. Only the login detects that the
  27. * visitor is allowed to activate, deactivate home page links,
  28. * access to the teachers tools (statistics, edit forums...).
  29. *
  30. * @package dokeos.course_home
  31. ==============================================================================
  32. */
  33. /*
  34. ==============================================================================
  35. FUNCTIONS
  36. ==============================================================================
  37. */
  38. /**
  39. * Displays the tools of a certain category.
  40. *
  41. * @return void
  42. * @param string $course_tool_category contains the category of tools to display:
  43. * "Public", "PublicButHide", "courseAdmin", "claroAdmin"
  44. */
  45. function show_tools($course_tool_category)
  46. {
  47. global $charset;
  48. $web_code_path = api_get_path(WEB_CODE_PATH);
  49. $course_tool_table = Database::get_course_table(TABLE_TOOL_LIST);
  50. switch ($course_tool_category)
  51. {
  52. case TOOL_PUBLIC:
  53. $result = api_sql_query("SELECT * FROM $course_tool_table WHERE visibility=1 ORDER BY id",__FILE__,__LINE__);
  54. $colLink ="##003399";
  55. break;
  56. case TOOL_PUBLIC_BUT_HIDDEN:
  57. $result = api_sql_query("SELECT * FROM $course_tool_table WHERE visibility=0 AND admin=0 ORDER BY id",__FILE__,__LINE__);
  58. $colLink ="##808080";
  59. break;
  60. case TOOL_COURSE_ADMIN:
  61. $result = api_sql_query("SELECT * FROM $course_tool_table WHERE admin=1 AND visibility != 2 ORDER BY id",__FILE__,__LINE__);
  62. $colLink ="##003399";
  63. break;
  64. case TOOL_PLATFORM_ADMIN:
  65. $result = api_sql_query("SELECT * FROM $course_tool_table WHERE visibility = 2 ORDER BY id",__FILE__,__LINE__);
  66. $colLink ="##003399";
  67. }
  68. $i=0;
  69. // grabbing all the tools from $course_tool_table
  70. while ($temp_row = mysql_fetch_array($result))
  71. {
  72. if($course_tool_category == TOOL_PUBLIC_BUT_HIDDEN && $temp_row['image'] != 'scormbuilder.gif')
  73. {
  74. $temp_row['image']=str_replace('.gif','_na.gif',$temp_row['image']);
  75. }
  76. $all_tools_list[]=$temp_row;
  77. }
  78. // grabbing all the links that have the property on_homepage set to 1
  79. $course_link_table = Database::get_course_table(TABLE_LINK);
  80. $course_item_property_table = Database::get_course_table(TABLE_ITEM_PROPERTY);
  81. switch ($course_tool_category)
  82. {
  83. case TOOL_PUBLIC:
  84. $sql_links="SELECT tl.*, tip.visibility
  85. FROM $course_link_table tl
  86. LEFT JOIN $course_item_property_table tip ON tip.tool='link' AND tip.ref=tl.id
  87. WHERE tl.on_homepage='1' AND tip.visibility = 1";
  88. break;
  89. case TOOL_PUBLIC_BUT_HIDDEN:
  90. $sql_links="SELECT tl.*, tip.visibility
  91. FROM $course_link_table tl
  92. LEFT JOIN $course_item_property_table tip ON tip.tool='link' AND tip.ref=tl.id
  93. WHERE tl.on_homepage='1' AND tip.visibility = 0";
  94. break;
  95. default:
  96. $sql_links = null;
  97. break;
  98. }
  99. if( $sql_links != null )
  100. {
  101. $properties = array();
  102. $result_links=api_sql_query($sql_links,__FILE__,__LINE__);
  103. while ($links_row=mysql_fetch_array($result_links))
  104. {
  105. unset($properties);
  106. $properties['name']=$links_row['title'];
  107. $properties['link']=$links_row['url'];
  108. $properties['visibility']=$links_row['visibility'];
  109. $properties['image']=($course_tool_category == TOOL_PUBLIC_BUT_HIDDEN)?"external_na.gif":"external.gif";
  110. $properties['adminlink']=api_get_path(WEB_CODE_PATH)."link/link.php?action=editlink&id=".$links_row['id'];
  111. $all_tools_list[]=$properties;
  112. }
  113. }
  114. if (isset($all_tools_list))
  115. {
  116. $lnk = array();
  117. foreach ($all_tools_list as $toolsRow)
  118. {
  119. if (!($i%2))
  120. {
  121. echo "<tr valign=\"top\">\n";
  122. }
  123. // NOTE : table contains only the image file name, not full path
  124. if(!stristr($toolsRow['link'],'http://') && !stristr($toolsRow['link'],'https://') && !stristr($toolsRow['link'],'ftp://'))
  125. {
  126. $toolsRow['link']=$web_code_path.$toolsRow['link'];
  127. }
  128. if ($course_tool_category == TOOL_PUBLIC_BUT_HIDDEN)
  129. {
  130. $class="class=\"invisible\"";
  131. }
  132. $qm_or_amp = ((strpos($toolsRow['link'],'?')===FALSE)?'?':'&amp;');
  133. $toolsRow['link'] = $toolsRow['link'];
  134. echo '<td width="50%" height="30">', "\n",
  135. '<a href="', htmlspecialchars($toolsRow['link'])
  136. .(($toolsRow['image']=="external.gif" || $toolsRow['image']=="external_na.gif") ? '' : $qm_or_amp.api_get_cidreq()),
  137. '" target="' , $toolsRow['target'], '" '.$class.'>',
  138. '<img src="', $web_code_path, 'img/',
  139. $toolsRow['image'], '" align="absmiddle" border="0" alt="', $toolsRow['image'],'" />',
  140. '&nbsp;', ($toolsRow['image']=="external.gif" || $toolsRow['image']=="external_na.gif" || $toolsRow['image']=="scormbuilder.gif" || $toolsRow['image']=="blog.gif") ? htmlspecialchars( $toolsRow['name'],ENT_QUOTES,$charset) : get_lang(ucfirst($toolsRow['name'])),
  141. "</a>\n ";
  142. // This part displays the links to hide or remove a tool.
  143. // These links are only visible by the course manager.
  144. unset($lnk);
  145. if (api_is_allowed_to_edit())
  146. {
  147. if ($toolsRow["visibility"] == '1')
  148. {
  149. $link['name'] = '<img src="'.api_get_path(WEB_CODE_PATH).'img/remove.gif" align="absmiddle" alt="'.get_lang("Deactivate").'"/>';
  150. $link['cmd'] = "hide=yes";
  151. $lnk[] = $link;
  152. }
  153. if ($course_tool_category == TOOL_PUBLIC_BUT_HIDDEN)
  154. {
  155. $link['name'] = '<img src="'.api_get_path(WEB_CODE_PATH).'img/add.gif" align="absmiddle" alt="'.get_lang("Activate").'"/>';
  156. $link['cmd'] = "restore=yes";
  157. $lnk[] = $link;
  158. if($toolsRow["added_tool"] == 1)
  159. {
  160. $link['name'] = '<img src="'.api_get_path(WEB_CODE_PATH).'img/delete.gif" align="absmiddle" alt="'.get_lang("Remove").'"/>';
  161. $link['cmd'] = "remove=yes";
  162. $lnk[] = $link;
  163. }
  164. }
  165. if ($toolsRow['adminlink'])
  166. {
  167. echo '<a href="'.$toolsRow['adminlink'].'"><img src="'.api_get_path(WEB_CODE_PATH).'img/edit.gif" align="absmiddle" alt="'.get_lang("Edit").'"/></a>';
  168. //echo "edit link:".$properties['adminlink'];
  169. }
  170. }
  171. if ( api_is_platform_admin() )
  172. {
  173. if ($toolsRow["visibility"]==2)
  174. {
  175. $link['name'] = '<img src="'.api_get_path(WEB_CODE_PATH).'img/undelete.gif" align="absmiddle" alt="'.get_lang("Activate").'"/>';
  176. $link['cmd'] = "hide=yes";
  177. $lnk[] = $link;
  178. if($toolsRow["added_tool"] == 1)
  179. {
  180. $link['name'] = get_lang("Delete");
  181. $link['cmd'] = "askDelete=yes";
  182. $lnk[] = $link;
  183. }
  184. }
  185. if ($toolsRow["visibility"] == 0 && $toolsRow["added_tool"] == 0)
  186. {
  187. $link['name'] = '<img src="'.api_get_path(WEB_CODE_PATH).'img/delete.gif" align="absmiddle" alt="'.get_lang("Remove").'"/>';
  188. $link['cmd'] = "remove=yes";
  189. $lnk[] = $link;
  190. }
  191. }
  192. if (is_array($lnk))
  193. {
  194. foreach($lnk as $this_link)
  195. {
  196. if (!$toolsRow['adminlink'])
  197. {
  198. echo "<a href=\"" .api_get_self(). "?".api_get_cidreq()."&amp;id=" . $toolsRow["id"] . "&amp;" . $this_link['cmd'] . "\">" . $this_link['name'] . "</a>";
  199. }
  200. }
  201. }
  202. // Allow editing of invisible homepage links (modified external_module)
  203. if ($toolsRow["added_tool"] == 1 &&
  204. api_is_allowed_to_edit() && !$toolsRow["visibility"])
  205. echo "<a class=\"nobold\" href=\"" . api_get_path(WEB_PATH) .
  206. 'main/external_module/external_module.php' .
  207. "?".api_get_cidreq()."&amp;id=".$toolsRow["id"]."\">". get_lang("Edit"). "</a>";
  208. echo "</td>\n";
  209. if($i%2)
  210. {
  211. echo "</tr>\n";
  212. }
  213. $i++;
  214. }
  215. }
  216. if($i%2)
  217. {
  218. echo "<td width=\"50%\">&nbsp;</td>\n",
  219. "</tr>\n";
  220. }
  221. }
  222. /*
  223. ==============================================================================
  224. MAIN CODE
  225. ==============================================================================
  226. */
  227. /*
  228. -----------------------------------------------------------
  229. Work with data post askable by admin of course (franglais, clean this)
  230. -----------------------------------------------------------
  231. */
  232. if (api_is_allowed_to_edit())
  233. {
  234. /* Work request */
  235. /*
  236. -----------------------------------------------------------
  237. Modify home page
  238. -----------------------------------------------------------
  239. */
  240. /*
  241. * display message to confirm that a tool must be hidden from the list of available tools
  242. * (visibility 0,1->2)
  243. */
  244. if($_GET["remove"])
  245. {
  246. $msgDestroy=get_lang('DelLk').'<br />';
  247. $msgDestroy.='<a href="'.api_get_self().'">'.get_lang('No').'</a>&nbsp;|&nbsp;';
  248. $msgDestroy.='<a href="'.api_get_self().'?destroy=yes&amp;id='.$_GET["id"].'">'.get_lang('Yes').'</a>';
  249. Display :: display_confirmation_message($msgDestroy);
  250. }
  251. /*
  252. * Process hiding a tools from available tools.
  253. * visibility=2 are only view by Dokeos Administrator (visibility 0,1->2)
  254. */
  255. elseif ($_GET["destroy"])
  256. {
  257. api_sql_query("UPDATE $tool_table SET visibility='2' WHERE id='".$_GET["id"]."'",__FILE__,__LINE__);
  258. }
  259. /*
  260. -----------------------------------------------------------
  261. HIDE
  262. -----------------------------------------------------------
  263. */
  264. elseif ($_GET["hide"]) // visibility 1 -> 0
  265. {
  266. api_sql_query("UPDATE $tool_table SET visibility=0 WHERE id='".$_GET["id"]."'",__FILE__,__LINE__);
  267. Display::display_confirmation_message(get_lang('ToolIsNowHidden'));
  268. }
  269. /*
  270. -----------------------------------------------------------
  271. REACTIVATE
  272. -----------------------------------------------------------
  273. */
  274. elseif ($_GET["restore"]) // visibility 0,2 -> 1
  275. {
  276. api_sql_query("UPDATE $tool_table SET visibility=1 WHERE id='".$_GET["id"]."'",__FILE__,__LINE__);
  277. Display::display_confirmation_message(get_lang('ToolIsNowVisible'));
  278. }
  279. }
  280. // work with data post askable by admin of course
  281. if (api_is_platform_admin())
  282. {
  283. // Show message to confirm that a tools must be hide from available tools
  284. // visibility 0,1->2
  285. if($_GET["askDelete"])
  286. {
  287. ?>
  288. <div id="toolhide">
  289. <?php echo get_lang("DelLk"); ?>
  290. <br />&nbsp;&nbsp;&nbsp;
  291. <a href="<?php echo api_get_self(); ?>"><?php echo get_lang("No"); ?></a>&nbsp;|&nbsp;
  292. <a href="<?php echo api_get_self(); ?>?delete=yes&id=<?php echo $_GET["id"]; ?>"><?php echo get_lang("Yes"); ?></a>
  293. </div>
  294. <?php
  295. }
  296. /*
  297. * Process hiding a tools from available tools.
  298. * visibility=2 are only view by Dokeos Administrator visibility 0,1->2
  299. */
  300. elseif (isset($_GET["delete"]) && $_GET["delete"])
  301. {
  302. api_sql_query("DELETE FROM $tool_table WHERE id='$id' AND added_tool=1",__FILE__,__LINE__);
  303. }
  304. }
  305. /*
  306. ==============================================================================
  307. TOOLS VISIBLE FOR EVERYBODY
  308. ==============================================================================
  309. */
  310. echo "<div class=\"everybodyview\">";
  311. echo "<table width=\"100%\">";
  312. show_tools(TOOL_PUBLIC);
  313. echo "</table>";
  314. echo "</div>";
  315. /*
  316. ==============================================================================
  317. COURSE ADMIN ONLY VIEW
  318. ==============================================================================
  319. */
  320. // start of tools for CourseAdmins (teachers/tutors)
  321. if (api_is_allowed_to_edit())
  322. {
  323. echo "<div class=\"courseadminview\">";
  324. echo "<span class=\"viewcaption\">";
  325. echo get_lang("CourseAdminOnly");
  326. echo "</span>";
  327. echo "<table width=\"100%\">";
  328. show_tools(TOOL_COURSE_ADMIN);
  329. /*
  330. -----------------------------------------------------------
  331. INACTIVE TOOLS - HIDDEN (GREY) LINKS
  332. -----------------------------------------------------------
  333. */
  334. echo "<tr><td colspan=\"4\"><hr style='color:\"#4171B5\"' noshade=\"noshade\" size=\"1\" /></td></tr>\n",
  335. "<tr>\n",
  336. "<td colspan=\"4\">\n",
  337. "<div style=\"margin-bottom: 10px;\"><font color=\"#808080\">\n",get_lang("InLnk"),"</font></div>",
  338. "</td>\n",
  339. "</tr>\n";
  340. show_tools(TOOL_PUBLIC_BUT_HIDDEN);
  341. echo "</table>";
  342. echo "</div> ";
  343. }
  344. /*
  345. -----------------------------------------------------------
  346. Tools for platform admin only
  347. -----------------------------------------------------------
  348. */
  349. if (api_is_platform_admin() && api_is_allowed_to_edit())
  350. {
  351. ?>
  352. <div class="platformadminview">
  353. <span class="viewcaption"><?php echo get_lang("PlatformAdminOnly"); ?></span>
  354. <table width="100%">
  355. <?php
  356. show_tools(TOOL_PLATFORM_ADMIN);
  357. ?>
  358. </table>
  359. </div>
  360. <?php
  361. }
  362. ?>