number_of_classes;
}
/**
* Gets the information about some classes.
* @param int $from
* @param int $number_of_items
* @param string $direction
*/
function get_class_data($from, $number_of_items, $column, $direction) {
$tbl_class_user = Database::get_main_table(TABLE_MAIN_CLASS_USER);
$tbl_class = Database :: get_main_table(TABLE_MAIN_CLASS);
$from = Database::escape_string($from);
$number_of_items = Database::escape_string($number_of_items);
$column = Database::escape_string($column);
$direction = Database::escape_string($direction);
$sql = "SELECT id AS col0, name AS col1, COUNT(user_id) AS col2, id AS col3
FROM $tbl_class
LEFT JOIN $tbl_class_user ON id=class_id ";
if (isset ($_GET['keyword'])) {
$sql .= " WHERE (name LIKE '%".Database::escape_string(trim($_GET['keyword']))."%')";
}
$sql .= " GROUP BY id,name ORDER BY col$column $direction LIMIT $from,$number_of_items";
$res = Database::query($sql);
$classes = array ();
while ($class = Database::fetch_row($res)) {
$classes[] = $class;
}
return $classes;
}
/**
* Filter for sortable table to display edit icons for class
*/
function modify_filter($class_id) {
$class_id = Security::remove_XSS($class_id);
$result = ''.Display::return_icon('synthese_view.gif', get_lang('Info')).'';
$result .= ' '.Display::return_icon('edit.png', get_lang('Edit')).'';
$result .= ' '.Display::return_icon('add_multiple_users.gif', get_lang('AddUsersToAClass')).'';
$result .= ' '.Display::return_icon('delete.png', get_lang('Delete')).'';
return $result;
}
$tool_name = get_lang('ClassList');
$interbreadcrumb[] = array ('url' => 'index.php', 'name' => get_lang('PlatformAdmin'));
if (isset($_POST['action'])) {
switch ($_POST['action']) {
// Delete selected classes
case 'delete_classes' :
$classes = $_POST['class'];
if (count($classes) > 0) {
foreach ($classes as $index => $class_id) {
ClassManager :: delete_class($class_id);
}
$message = Display :: return_message(get_lang('ClassesDeleted'));
}
break;
}
}
if (isset($_GET['action'])) {
switch ($_GET['action']) {
case 'delete_class':
ClassManager :: delete_class($_GET['class_id']);
$message = Display :: return_message(get_lang('ClassDeleted'));
break;
case 'show_message':
$message = Display :: return_message(Security::remove_XSS(stripslashes($_GET['message'])));
break;
}
}
// Create a search-box
$form = new FormValidator('search_simple', 'get', '', '', null, false);
$renderer =& $form->defaultRenderer();
$renderer->setElementTemplate('{element} ');
$form->addElement('text', 'keyword', get_lang('keyword'));
$form->addElement('button', 'submit', get_lang('Search'));
$content .= $form->return_form();
// Create the sortable table with class information
$table = new SortableTable('classes', 'get_number_of_classes', 'get_class_data', 1);
$table->set_additional_parameters(array('keyword' => $_GET['keyword']));
$table->set_header(0, '', false);
$table->set_header(1, get_lang('ClassName'));
$table->set_header(2, get_lang('NumberOfUsers'));
$table->set_header(3, '', false);
$table->set_column_filter(3, 'modify_filter');
$table->set_form_actions(array ('delete_classes' => get_lang('DeleteSelectedClasses')), 'class');
$content .= $table->return_table();
$actions .= Display::url(Display::return_icon('add.png', get_lang('Add'), array(), ICON_SIZE_MEDIUM), 'class_add.php');
$actions .= Display::url(Display::return_icon('import_csv.png', get_lang('AddUsersToAClass'), array(), ICON_SIZE_MEDIUM), 'class_user_import.php');
$actions .= Display::url(Display::return_icon('import_csv.png', get_lang('ImportClassListCSV'), array(), ICON_SIZE_MEDIUM), 'class_import.php');
$app['title'] = $tool_name;
$tpl = $app['template'];
$tpl->assign('content', $content);
$tpl->assign('actions', $actions);
$tpl->assign('message', $message);
$tpl->display_one_col_template();