Yannick Warnier
19 years ago
parent
ce9f8b737e
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<?php |
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/* |
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============================================================================== |
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Dokeos - elearning and course management software |
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|
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Copyright (c) 2004 Dokeos S.A. |
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Copyright (c) 2003 Ghent University (UGent) |
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Copyright (c) 2001 Universite catholique de Louvain (UCL) |
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Copyright (c) Patrick Cool |
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Copyright (c) Denes Nagy |
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Copyright (c) Yannick Warnier |
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|
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For a full list of contributors, see "credits.txt". |
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The full license can be read in "license.txt". |
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|
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This program is free software; you can redistribute it and/or |
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modify it under the terms of the GNU General Public License |
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as published by the Free Software Foundation; either version 2 |
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of the License, or (at your option) any later version. |
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|
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See the GNU General Public License for more details. |
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|
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Contact: Dokeos, 181 rue Royale, B-1000 Brussels, Belgium, info@dokeos.com |
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============================================================================== |
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*/ |
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/** |
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============================================================================== |
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* This is a learning path creation and player tool in Dokeos - previously learnpath_handler.php |
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* |
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* @author Patrick Cool |
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* @author Denes Nagy |
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* @author Roan Embrechts, refactoring and code cleaning |
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* @author Yannick Warnier <ywarnier@beeznest.org> - cleaning and update for new SCORM tool |
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* @package dokeos.learnpath |
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============================================================================== |
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*/ |
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|
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/* |
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============================================================================== |
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INIT SECTION |
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============================================================================== |
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*/ |
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$this_section=SECTION_COURSES; |
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|
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api_protect_course_script(); |
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|
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/* |
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----------------------------------------------------------- |
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Libraries |
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----------------------------------------------------------- |
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*/ |
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//the main_api.lib.php, database.lib.php and display.lib.php |
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//libraries are included by default |
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|
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include('learnpath_functions.inc.php'); |
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//include('../resourcelinker/resourcelinker.inc.php'); |
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include('resourcelinker.inc.php'); |
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//rewrite the language file, sadly overwritten by resourcelinker.inc.php |
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// name of the language file that needs to be included |
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$language_file = "learnpath"; |
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|
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/* |
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----------------------------------------------------------- |
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Header and action code |
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----------------------------------------------------------- |
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*/ |
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$htmlHeadXtra[] = "<link rel='stylesheet' type='text/css' href='../css/learnpath.css' />"; |
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|
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/* |
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----------------------------------------------------------- |
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Constants and variables |
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----------------------------------------------------------- |
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*/ |
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$is_allowed_to_edit = api_is_allowed_to_edit(); |
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|
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$tbl_lp = Database::get_course_table('lp'); |
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$tbl_lp_item = Database::get_course_table('lp_item'); |
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$tbl_lp_view = Database::get_course_table('lp_view'); |
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|
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$isStudentView = (int) $_REQUEST['isStudentView']; |
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$learnpath_id = (int) $_REQUEST['lp_id']; |
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$submit = $_POST['submit_button']; |
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/* |
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$chapter_id = $_GET['chapter_id']; |
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$title = $_POST['title']; |
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$description = $_POST['description']; |
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$Submititem = $_POST['Submititem']; |
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$action = $_REQUEST['action']; |
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$id = (int) $_REQUEST['id']; |
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$type = $_REQUEST['type']; |
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$direction = $_REQUEST['direction']; |
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$moduleid = $_REQUEST['moduleid']; |
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$prereq = $_REQUEST['prereq']; |
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$type = $_REQUEST['type']; |
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*/ |
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/* |
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============================================================================== |
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MAIN CODE |
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============================================================================== |
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*/ |
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// using the resource linker as a tool for adding resources to the learning path |
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if ($action=="add" and $type=="learnpathitem") |
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{ |
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$htmlHeadXtra[] = "<script language='JavaScript' type='text/javascript'> window.location=\"../resourcelinker/resourcelinker.php?source_id=5&action=$action&learnpath_id=$learnpath_id&chapter_id=$chapter_id&originalresource=no\"; </script>"; |
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} |
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if ( (! $is_allowed_to_edit) or ($isStudentView) ) |
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{ |
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error_log('New LP - User not authorized in lp_admin_view.php'); |
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header('location:lp_controller.php?action=view&lp_id='.$learnpath_id); |
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} |
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//from here on, we are admin because of the previous condition, so don't check anymore |
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|
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$sql_query = "SELECT * FROM $tbl_lp WHERE id = $learnpath_id"; |
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$result=api_sql_query($sql_query); |
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$therow=Database::fetch_array($result); |
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|
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$admin_output = ''; |
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/* |
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----------------------------------------------------------- |
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Course admin section |
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- all the functions not available for students - always available in this case (page only shown to admin) |
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----------------------------------------------------------- |
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*/ |
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/*================================================== |
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SHOWING THE ADMIN TOOLS |
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==================================================*/ |
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|
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//Preparing the form to add a new module |
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$add_module_form = ' |
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<form name="form1" method="post" action="lp_controller"> |
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<input type="hidden" name="action" value="add_item"> |
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<input type="hidden" name="lp_id" value="'.$learnpath_id.'"> |
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<input type="hidden" name="parent" value="0"> |
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<input type="hidden" name="previous" value="-1"> |
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<input type="hidden" name="type" value="dokeos_module"> |
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<input type="hidden" name="path" value=""> |
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<h4>'.get_lang('_add_learnpath_module').'</h4> |
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<table width="400" border="0" cellspacing="2" cellpadding="0"> |
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<tr> |
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<td align="right">'.get_lang('_title').'</td> |
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<td><input name="title" type="text" value="" size="50"></td> |
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</tr> |
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<tr> |
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<td align="right"> </td> |
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<td><input type="submit" name="submit_button" value="'.get_lang('Ok').'"></td> |
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</tr> |
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</table> |
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</form>'; |
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|
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if (($_REQUEST['action']=="add_item" and $type=="dokeos_module" and !$submit)) |
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{ |
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//this is when the user has selected the "add module" link previously, so we don't display it this time |
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} |
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else |
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{ |
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//in case the user hasn't selected the "add module" link previously, first quick-check the database to remove the |
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//useless step of asking the user to click on "add module" if the only possible action is to add a module |
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$sql = "SELECT * FROM $tbl_lp_item WHERE lp_id = $learnpath_id AND item_type = 'dokeos_module'"; |
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$result=api_sql_query($sql,__FILE__,__LINE__); |
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if (Database::num_rows($result) <= 0) |
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{ |
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$admin_output .= "<br />There is no main chapter at the moment. Please add one using the following form. This is a required step in the learning path building process.<br />"; |
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$admin_output .= $add_module_form; |
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}else{ |
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$admin_output .= "<ul>\n"; |
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$admin_output .= "<li><a href='lp_controller.php?action=add_item&lp_id=$learnpath_id&type=dokeos_module&parent=0&previous=-1&path='>" . get_lang("_add_learnpath_module") . "</a></li>\n"; |
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$admin_output .= "</ul>\n\n"; |
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} |
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} |
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/*================================================== |
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EDITING A LEARNPATH ITEM: showing one of the forms |
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==================================================*/ |
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if ($_REQUEST['action']=="edititem" and !empty($_REQUEST['id']) AND empty($_REQUEST['submit_item'])) |
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{ |
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error_log('New LP - edit_item action in lp_admin_view',0); |
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$id = (int) $_REQUEST['id']; |
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$sql="SELECT * FROM $tbl_lp_item WHERE id=$id"; |
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$result=api_sql_query($sql,__FILE__,__LINE__); |
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$row=Database::fetch_array($result); |
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$id=$row['id']; |
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$title = $row['title']; |
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if(empty($title)){ |
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$title = rl_get_resource_name(api_get_course_id(),$learnpath_id,$_REQUEST['id']); |
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} |
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$admin_output .= '<h4>'.get_lang('_edit_learnpath_item').'</h4> |
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<form name="edititem" method="post" action=""> |
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<table width="100%" border="0" cellspacing="0" cellpadding="0"> |
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<input type="hidden" name="action" value="edititem"> |
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<tr> |
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<td align="right" valign="top">'.get_lang('_title').'</td> |
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<td><input name="title" type="text" id="title3" size="50" value="'.$title.'"></td> |
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</tr>'; |
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//<tr> |
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// <td align="right" valign="top">'.get_lang('_description').'</td> |
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// <td><textarea name="description" cols="45" id="textarea">'.$row["description"].'</textarea></td> |
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//</tr> |
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$admin_output .= ' <tr> |
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<td align="right" valign="top"> </td> |
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<td><input name="submit_item" type="submit" id="Submititem" value="'.get_lang('Ok').'"></td> |
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</tr> |
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</table> |
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</form>'; |
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} |
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/*================================================== |
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prerequisites setting start |
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==================================================*/ |
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if ($_REQUEST['action']=="edititemprereq" and !empty($_REQUEST['id']) AND empty($_REQUEST['submit_item'])) |
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{ |
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$id = (int) $_REQUEST['id']; |
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$sql="SELECT * FROM $tbl_lp_item WHERE id=$id"; |
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$result=api_sql_query($sql,__FILE__,__LINE__); |
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$row=Database::fetch_array($result); |
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$id=$row['id']; |
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|
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$title = $row['title']; |
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if(empty($title)){ |
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$title = rl_get_resource_name(api_get_course_id(), $learnpath_id, $id); |
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} |
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$admin_output .= "<h4>"; |
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$admin_output .= get_lang('_add_prereq')." : "; |
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$admin_output .= $title; |
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$admin_output .= '</h4> |
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<form name="edititemprereq" method="post" action=""> |
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<input type="hidden" name="action" value="edititemprereq"> |
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<table width="100%" border="0" cellspacing="0" cellpadding="0"> |
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<tr> |
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<td align="right" valign="top"></td> |
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<td><table border="0" cellspacing="1" cellpadding="0">'; |
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//$learnpath_items = learnpath_items($id); the LP object should be available here |
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$learnpath_items = learnpath::get_brother_items($id); |
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//if there is any test before the current item, we show the completion limit column |
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//TODO |
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//This section has been made inactive for now because it should use the prerequisite's |
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//mastery score as a limit. Also, this script should instead use the new prerequisites |
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//language from AICC (see wiki), so it should actually be completely different |
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/* |
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$teststhere = false; |
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for ($i=0; $i<count($learnpath_items); $i++) |
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{ |
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if ((($learnpath_items[$i]["item_type"]==TOOL_QUIZ) |
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or ($learnpath_items[$i]["item_type"]=='HotPotatoes')) |
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and ($row["display_order"] > $learnpath_items[$i]["display_order"])) |
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{ |
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$teststhere = true; |
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} |
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} |
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if ($teststhere) |
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{ |
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$admin_output .= "<tr><td colspan='2'></td><td>".get_lang('CompletionLimit')."</td></tr>"; |
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} |
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*/ |
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$checked=''; |
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if (empty($row["prerequisite"])) { $checked = 'checked'; } |
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$admin_output .= "<tr><td><input class=\"checkbox\" type=\"radio\" name=\"prereq\" value=\"\" $checked></td><td>- ".get_lang('_none')." -</td></tr>"; |
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for ($i=0; $i<count($learnpath_items); $i++) |
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{ |
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if ($row["display_order"] > $learnpath_items[$i]["display_order"]) |
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{ |
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/* |
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$testrow = false; |
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if (($learnpath_items[$i]["item_type"]==TOOL_QUIZ) |
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or ($learnpath_items[$i]["item_type"]=='HotPotatoes')) |
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{ |
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$testrow = true; |
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} |
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*/ |
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$checked = ''; |
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if ($row["prerequisite"]==$learnpath_items[$i]["id"]) |
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{ |
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$checked='checked'; |
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} |
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$admin_output .= '<tr><td><input class="checkbox" type="radio" name="prereq" value="'.$learnpath_items[$i]['id'].'" '.$checked.' ></td><td>'; |
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$admin_output .= rl_get_resource_name(api_get_course_id(), $learnpath_id, $learnpath_items[$i]['id']); |
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$admin_output .= "</td>"; |
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/* |
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if ($testrow) |
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{ |
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//if (!$checked) { $disabled='disabled'; } |
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$admin_output .= "<td align=center><input type=text name='completion_limit[{$learnpath_items[$i]['id']}]' size=4 maxlength=20 $disabled value=$completion_limit></td>"; |
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} |
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*/ |
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$admin_output .= "</tr>"; |
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} |
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} |
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$learnpath_chapters = learnpath::get_brother_chapters($row['parent_item_id']); |
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$c=$row['parent_item_id']; //we are now in this chapter |
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$sql="SELECT * FROM $tbl_lp_item WHERE id=$c AND item_type='dokeos_module'"; |
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$result=api_sql_query($sql,__FILE__,__LINE__); |
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$row_chapter=Database::fetch_array($result); |
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for ($i=0; $i<count($learnpath_chapters); $i++) |
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{ |
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if ($row_chapter["display_order"] > $learnpath_chapters[$i]["display_order"]) |
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{ |
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$checked=''; |
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if (($row["prereq_id"]==$learnpath_chapters[$i]["id"]) and ($row["prereq_type"]=='c')) { $checked='checked'; } |
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$admin_output .= "<tr><td bgcolor='#cccccc'><input type='radio' name='prereq' value='".$learnpath_chapters[$i]["id"]."' $checked ></td><td bgcolor='#cccccc'>".$learnpath_chapters[$i]['title']."</td></tr>"; |
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} |
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} |
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$admin_output .= ' |
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</table></td> |
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</tr> |
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<tr> |
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<td align="right" valign="top"> </td> |
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<td><input name="submit_item" type="submit" id="Submititem" value="'.get_lang('Ok').'"></td> |
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</tr> |
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</table> |
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</form>'; |
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} |
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/*================================================== |
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prerequisites setting end |
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==================================================*/ |
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/*================================================== |
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EDITING / ADDING A NEW LEARNPATH chapter: showing the form |
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==================================================*/ |
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if (($_REQUEST['action']=="add_item")) |
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// and $type=="learnpathcategory") or $action=="editmodule") |
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{ |
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if (!$submit) |
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{ |
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/* |
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if ($action=="editmodule") |
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{ |
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$sql="SELECT * FROM $tbl_lp_item WHERE (id='$id' and lp_id=$learnpath_id AND item_type='dokeos_chapter')"; |
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$result=api_sql_query($sql,__FILE__,__LINE__); |
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$row=Database::fetch_array($result); |
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} |
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*/ |
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$admin_output .= ' |
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<form name="form1" method="post" action=""> |
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<h4>'; |
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if ($action=="add") |
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{ $admin_output .= get_lang('_add_learnpath_module'); } |
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else |
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{ $admin_output .= get_lang('_edit_learnpath_module'); } |
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$admin_output .= ' |
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</h4> |
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<table width="400" border="0" cellspacing="2" cellpadding="0"> |
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<tr> |
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<td align="right">'.get_lang('_title').'</td> |
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<td><input name="title" type="text" value="'.$row["chapter_name"].'" size="50"></td> |
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</tr>'; |
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if ( $action=='editmodule' ) |
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{ |
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// on edition, allow the user to modify the description (if he really wants it) |
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$admin_output .= '<tr> |
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<td align="right" valign="top">'.get_lang('_description').'</td>' |
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.'<td><textarea name="description" cols="45">'.$row["chapter_description"].'</textarea></td>' |
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.'</tr>'; |
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}else |
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{ |
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//on addition, only give a title field, so ignore the description field |
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$admin_output .= "<input type='hidden' name='description' value='' />"; |
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} |
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$admin_output .= ' |
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<tr> |
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<td align="right"> </td> |
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<td><input type="submit" name="submit_button" value="'.get_lang('Ok').'"></td> |
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</tr> |
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</table> |
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</form>'; |
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} // if (!$submit) |
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} // if ($action=="add" and $type=="learnpathcategory") |
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$interbreadcrumb[]= array ("url"=>"lp_controller.php?action=list", "name"=> get_lang("_learning_path")); |
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$interbreadcrumb[]= array ("url"=>$_SERVER['PHP_SELF']."?action=admin_view&lp_id=$learnpath_id", "name" => stripslashes("{$therow['name']}")); |
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Display::display_header(null,'Path'); |
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//api_display_tool_title($therow['name']); |
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$suredel = get_lang('AreYouSureToDelete'); |
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$suredelstep = get_lang('AreYouSureToDeleteSteps'); |
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?> |
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<script type='text/javascript'> |
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/* <![CDATA[ */ |
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function confirmation (name) |
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{ |
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if (name!='Users' && name!='Assignments' && name!='Document' && name!='Forum' && name!='Agenda' && name!='Groups' && name!='Link _self' && name!='Dropbox' && name!='Course_description' && name!='Exercise' && name!='Introduction_text') |
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{ |
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if (confirm("<?php echo $suredel; ?> "+ name + " <?php echo $suredelstep;?>?"))
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{return true;} |
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else |
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{return false;} |
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} |
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else |
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{ |
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if (confirm("<?php echo $suredel; ?> "+ name + "?"))
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{return true;} |
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else |
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{return false;} |
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} |
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} |
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</script> |
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<?php |
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echo $admin_output; |
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/* |
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----------------------------------------------------------- |
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DISPLAY SECTION |
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----------------------------------------------------------- |
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*/ |
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?> |
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<table border="0" cellspacing="0" cellpadding="1" width="100%" class="data_table"> |
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<tr> |
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<td colspan='8'> |
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</td> |
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</tr> |
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<?php
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display_learnpath_chapters(); |
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echo "</table>"; |
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$learnpath_has_chapters = learnpath_chapters($learnpath_id); |
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if ($learnpath_has_chapters) |
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{ |
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echo "<br /><br /><font color='#999999' size='1'>".get_lang('_short_help')."</font>"; |
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} |
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/* |
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============================================================================== |
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FOOTER |
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============================================================================== |
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*/ |
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Display::display_footer(); |
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?> |
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