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274 lines
13 KiB
274 lines
13 KiB
<?php // $Id: course_list.php 18428 2009-02-10 23:07:44Z ivantcholakov $
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/* For licensing terms, see /dokeos_license.txt */
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/**
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* This script shows a list of courses and allows searching for courses codes
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* and names
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* @package dokeos.admin
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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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// name of the language file that needs to be included
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$language_file = 'admin';
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$cidReset = true;
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require ('../inc/global.inc.php');
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$this_section = SECTION_PLATFORM_ADMIN;
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api_protect_admin_script();
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require_once (api_get_path(LIBRARY_PATH).'course.lib.php');
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require_once (api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php');
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require_once (api_get_path(LIBRARY_PATH).'sortabletable.class.php');
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require_once '../gradebook/lib/be/gradebookitem.class.php';
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require_once '../gradebook/lib/be/category.class.php';
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/**
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* Get the number of courses which will be displayed
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*/
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function get_number_of_courses()
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{
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$course_table = Database :: get_main_table(TABLE_MAIN_COURSE);
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$sql = "SELECT COUNT(code) AS total_number_of_items FROM $course_table";
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global $_configuration;
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if ((api_is_platform_admin() || api_is_session_admin()) && $_configuration['multiple_access_urls']==true && api_get_current_access_url_id()!=-1) {
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$access_url_rel_course_table = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
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$sql.= " INNER JOIN $access_url_rel_course_table url_rel_course ON (code=url_rel_course.course_code)";
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}
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if (isset ($_GET['keyword']))
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{
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$keyword = Database::escape_string($_GET['keyword']);
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$sql .= " WHERE title LIKE '%".$keyword."%' OR code LIKE '%".$keyword."%' OR visual_code LIKE '%".$keyword."%'";
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}
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elseif (isset ($_GET['keyword_code']))
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{
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$keyword_code = Database::escape_string($_GET['keyword_code']);
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$keyword_title = Database::escape_string($_GET['keyword_title']);
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$keyword_category = Database::escape_string($_GET['keyword_category']);
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$keyword_language = Database::escape_string($_GET['keyword_language']);
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$keyword_visibility = Database::escape_string($_GET['keyword_visibility']);
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$keyword_subscribe = Database::escape_string($_GET['keyword_subscribe']);
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$keyword_unsubscribe = Database::escape_string($_GET['keyword_unsubscribe']);
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$sql .= " WHERE (code LIKE '%".$keyword_code."%' OR visual_code LIKE '%".$keyword_code."%') AND title LIKE '%".$keyword_title."%' AND category_code LIKE '%".$keyword_category."%' AND course_language LIKE '%".$keyword_language."%' AND visibility LIKE '%".$keyword_visibility."%' AND subscribe LIKE '".$keyword_subscribe."'AND unsubscribe LIKE '".$keyword_unsubscribe."'";
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}
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// adding the filter to see the user's only of the current access_url
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if ((api_is_platform_admin() || api_is_session_admin()) && $_configuration['multiple_access_urls']==true && api_get_current_access_url_id()!=-1) {
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$sql.= " AND url_rel_course.access_url_id=".api_get_current_access_url_id();
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}
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$res = api_sql_query($sql, __FILE__, __LINE__);
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$obj = Database::fetch_object($res);
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return $obj->total_number_of_items;
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}
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/**
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* Get course data to display
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*/
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function get_course_data($from, $number_of_items, $column, $direction)
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{
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$course_table = Database :: get_main_table(TABLE_MAIN_COURSE);
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$users_table = Database :: get_main_table(TABLE_MAIN_USER);
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$course_users_table = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
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$sql = "SELECT code AS col0, visual_code AS col1, title AS col2, course_language AS col3, category_code AS col4, subscribe AS col5, unsubscribe AS col6, code AS col7, tutor_name as col8, code AS col9, visibility AS col10 FROM $course_table";
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global $_configuration;
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if ((api_is_platform_admin() || api_is_session_admin()) && $_configuration['multiple_access_urls']==true && api_get_current_access_url_id()!=-1) {
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$access_url_rel_course_table = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
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$sql.= " INNER JOIN $access_url_rel_course_table url_rel_course ON (code=url_rel_course.course_code)";
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}
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if (isset ($_GET['keyword']))
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{
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$keyword = Database::escape_string($_GET['keyword']);
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$sql .= " WHERE title LIKE '%".$keyword."%' OR code LIKE '%".$keyword."%' OR visual_code LIKE '%".$keyword."%'";
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}
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elseif (isset ($_GET['keyword_code']))
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{
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$keyword_code = Database::escape_string($_GET['keyword_code']);
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$keyword_title = Database::escape_string($_GET['keyword_title']);
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$keyword_category = Database::escape_string($_GET['keyword_category']);
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$keyword_language = Database::escape_string($_GET['keyword_language']);
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$keyword_visibility = Database::escape_string($_GET['keyword_visibility']);
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$keyword_subscribe = Database::escape_string($_GET['keyword_subscribe']);
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$keyword_unsubscribe = Database::escape_string($_GET['keyword_unsubscribe']);
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$sql .= " WHERE (code LIKE '%".$keyword_code."%' OR visual_code LIKE '%".$keyword_code."%') AND title LIKE '%".$keyword_title."%' AND category_code LIKE '%".$keyword_category."%' AND course_language LIKE '%".$keyword_language."%' AND visibility LIKE '%".$keyword_visibility."%' AND subscribe LIKE '".$keyword_subscribe."'AND unsubscribe LIKE '".$keyword_unsubscribe."'";
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}
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// adding the filter to see the user's only of the current access_url
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if ((api_is_platform_admin() || api_is_session_admin()) && $_configuration['multiple_access_urls']==true && api_get_current_access_url_id()!=-1) {
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$sql.= " AND url_rel_course.access_url_id=".api_get_current_access_url_id();
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}
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$sql .= " ORDER BY col$column $direction ";
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$sql .= " LIMIT $from,$number_of_items";
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$res = api_sql_query($sql, __FILE__, __LINE__);
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$courses = array ();
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while ($course = Database::fetch_row($res))
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{
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//place colour icons in front of courses
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//$course[1] = get_course_visibility_icon($course[10]).'<a href="../course_home/course_home.php?cidReq='.$course[0].'">'.$course[1].'</a>'; // This is not the preferable way to go to the homepage.
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$course[1] = get_course_visibility_icon($course[10]).'<a href="'.api_get_path(WEB_COURSE_PATH).$course[0].'/index.php">'.$course[1].'</a>';
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$course[5] = $course[5] == SUBSCRIBE_ALLOWED ? get_lang('Yes') : get_lang('No');
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$course[6] = $course[6] == UNSUBSCRIBE_ALLOWED ? get_lang('Yes') : get_lang('No');
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$course[7] = CourseManager :: is_virtual_course_from_system_code($course[7]) ? get_lang('Yes') : get_lang('No');
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$course_rem = array($course[0],$course[1],$course[2],$course[3],$course[4],$course[5],$course[6],$course[7],$course[8],$course[9]);
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$courses[] = $course_rem;
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}
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return $courses;
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}
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/**
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* Filter to display the edit-buttons
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*/
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function modify_filter($code)
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{
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global $charset;
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return
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'<a href="course_information.php?code='.$code.'">'.Display::return_icon('synthese_view.gif', get_lang('Info')).'</a> '.
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//'<a href="../course_home/course_home.php?cidReq='.$code.'">'.Display::return_icon('course_home.gif', get_lang('CourseHomepage')).'</a> '. // This is not the preferable way to go to the homepage.
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'<a href="'.api_get_path(WEB_COURSE_PATH).$code.'/index.php">'.Display::return_icon('course_home.gif', get_lang('CourseHomepage')).'</a> '.
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'<a href="../tracking/courseLog.php?cidReq='.$code.'">'.Display::return_icon('statistics.gif', get_lang('Tracking')).'</a> '.
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'<a href="course_edit.php?course_code='.$code.'">'.Display::return_icon('edit.gif', get_lang('Edit')).'</a> '.
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'<a href="course_list.php?delete_course='.$code.'" onclick="javascript:if(!confirm('."'".addslashes(htmlentities(get_lang("ConfirmYourChoice"),ENT_QUOTES,$charset))."'".')) return false;">'.Display::return_icon('delete.gif', get_lang('Delete')).'</a>';
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}
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/**
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* Return an icon representing the visibility of the course
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*/
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function get_course_visibility_icon($v)
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{
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$path = api_get_path(REL_CODE_PATH);
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$style = 'margin-bottom:-5px;margin-right:5px;';
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switch($v)
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{
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case 0:
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return Display::return_icon('bullet_red.gif', get_lang('CourseVisibilityClosed'), array('style'=>$style));
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break;
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case 1:
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return Display::return_icon('bullet_orange.gif', get_lang('Private'), array('style'=>$style));
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break;
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case 2:
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return Display::return_icon('bullet_green.gif', get_lang('OpenToThePlatform'), array('style'=>$style));
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break;
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case 3:
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return Display::return_icon('bullet_blue.gif', get_lang('OpenToTheWorld'), array('style'=>$style));
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break;
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default:
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return '';
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}
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}
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if (isset ($_POST['action']))
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{
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switch ($_POST['action'])
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{
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// Delete selected courses
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case 'delete_courses' :
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$course_codes = $_POST['course'];
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if (count($course_codes) > 0)
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{
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foreach ($course_codes as $index => $course_code)
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{
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CourseManager :: delete_course($course_code);
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$obj_cat=new Category();
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$obj_cat->update_category_delete($course_code);
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}
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}
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break;
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}
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}
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if (isset ($_GET['search']) && $_GET['search'] == 'advanced')
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{
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// Get all course categories
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$table_course_category = Database :: get_main_table(TABLE_MAIN_CATEGORY);
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$interbreadcrumb[] = array ("url" => 'index.php', "name" => get_lang('PlatformAdmin'));
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$interbreadcrumb[] = array ("url" => 'course_list.php', "name" => get_lang('CourseList'));
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$tool_name = get_lang('SearchACourse');
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Display :: display_header($tool_name);
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//api_display_tool_title($tool_name);
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$form = new FormValidator('advanced_course_search', 'get');
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$form->add_textfield('keyword_code', get_lang('CourseCode'), false);
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$form->add_textfield('keyword_title', get_lang('Title'), false);
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$categories = array();
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$categories_select = $form->addElement('select', 'keyword_category', get_lang('CourseFaculty'), $categories);
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CourseManager::select_and_sort_categories($categories_select);
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$el = & $form->addElement('select_language', 'keyword_language', get_lang('CourseLanguage'));
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$el->addOption(get_lang('All'), '%');
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$form->addElement('radio', 'keyword_visibility', get_lang("CourseAccess"), get_lang('OpenToTheWorld'), COURSE_VISIBILITY_OPEN_WORLD);
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$form->addElement('radio', 'keyword_visibility', null, get_lang('OpenToThePlatform'), COURSE_VISIBILITY_OPEN_PLATFORM);
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$form->addElement('radio', 'keyword_visibility', null, get_lang('Private'), COURSE_VISIBILITY_REGISTERED);
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$form->addElement('radio', 'keyword_visibility', null, get_lang('CourseVisibilityClosed'), COURSE_VISIBILITY_CLOSED);
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$form->addElement('radio', 'keyword_visibility', null, get_lang('All'), '%');
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$form->addElement('radio', 'keyword_subscribe', get_lang('Subscription'), get_lang('Allowed'), 1);
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$form->addElement('radio', 'keyword_subscribe', null, get_lang('Denied'), 0);
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$form->addElement('radio', 'keyword_subscribe', null, get_lang('All'), '%');
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$form->addElement('radio', 'keyword_unsubscribe', get_lang('Unsubscription'), get_lang('AllowedToUnsubscribe'), 1);
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$form->addElement('radio', 'keyword_unsubscribe', null, get_lang('NotAllowedToUnsubscribe'), 0);
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$form->addElement('radio', 'keyword_unsubscribe', null, get_lang('All'), '%');
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$form->addElement('submit', 'submit', get_lang('Ok'));
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$defaults['keyword_language'] = '%';
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$defaults['keyword_visibility'] = '%';
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$defaults['keyword_subscribe'] = '%';
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$defaults['keyword_unsubscribe'] = '%';
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$form->setDefaults($defaults);
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$form->display();
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}
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else
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{
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$interbreadcrumb[] = array ("url" => 'index.php', "name" => get_lang('PlatformAdmin'));
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$tool_name = get_lang('CourseList');
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Display :: display_header($tool_name);
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//api_display_tool_title($tool_name);
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if (isset ($_GET['delete_course']))
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{
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CourseManager :: delete_course($_GET['delete_course']);
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$obj_cat=new Category();
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$obj_cat->update_category_delete($_GET['delete_course']);
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}
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// Create a search-box
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$form = new FormValidator('search_simple','get','','','width=200px',false);
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$renderer =& $form->defaultRenderer();
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$renderer->setElementTemplate('<span>{element}</span> ');
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$form->addElement('text','keyword',get_lang('keyword'));
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$form->addElement('submit','submit',get_lang('Search'));
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$form->addElement('static','search_advanced_link',null,'<a href="course_list.php?search=advanced">'.get_lang('AdvancedSearch').'</a>');
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echo '<div style="float:right;">
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<a href="'.api_get_path(WEB_CODE_PATH).'admin/course_add.php">'.Display::return_icon('view_more_stats.gif',get_lang('AddSession')).get_lang('AddCourse').'</a>
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</div>';
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echo '<div class="actions">';
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$form->display();
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echo '</div>';
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// Create a sortable table with the course data
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$table = new SortableTable('courses', 'get_number_of_courses', 'get_course_data',2);
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$parameters=array();
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$table->set_additional_parameters($parameters);
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$table->set_header(0, '', false);
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$table->set_header(1, get_lang('Code'));
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$table->set_header(2, get_lang('Title'));
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$table->set_header(3, get_lang('Language'));
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$table->set_header(4, get_lang('Category'));
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$table->set_header(5, get_lang('SubscriptionAllowed'));
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$table->set_header(6, get_lang('UnsubscriptionAllowed'));
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$table->set_header(7, get_lang('IsVirtualCourse'));
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$table->set_header(8, get_lang('Teacher'));
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$table->set_header(9, get_lang('Modify'), false,'width="120px"');
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$table->set_column_filter(9,'modify_filter');
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$table->set_form_actions(array ('delete_courses' => get_lang('DeleteCourse')),'course');
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$table->display();
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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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