, Ghent University: cleanup, refactoring and rewriting large parts of the code
* @version $Id: survey_list.php 14784 2008-04-08 12:58:45Z pcool $
*
* @todo use quickforms for the forms
*/
// name of the language file that needs to be included
$language_file = 'survey';
// including the global dokeos file
require ('../inc/global.inc.php');
// including additional libraries
//require_once (api_get_path(LIBRARY_PATH)."/survey.lib.php");
require_once('survey.lib.php');
require_once (api_get_path(LIBRARY_PATH)."/course.lib.php");
/** @todo this has to be moved to a more appropriate place (after the display_header of the code)*/
if (!api_is_allowed_to_edit())
{
Display :: display_header(get_lang('SurveyList'));
SurveyUtil::survey_list_user($_user['user_id']);
Display :: display_footer();
exit;
}
// Database table definitions
$table_survey = Database :: get_course_table(TABLE_SURVEY);
$table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
$table_course = Database :: get_main_table(TABLE_MAIN_COURSE);
$table_user = Database :: get_main_table(TABLE_MAIN_USER);
// language variables
if (isset ($_GET['search']) && $_GET['search'] == 'advanced')
{
$interbreadcrumb[] = array ('url' => 'survey_list.php', 'name' => get_lang('SurveyList'));
$tool_name = get_lang('SearchASurvey');
}
else
{
$tool_name = get_lang('SurveyList');
}
// Header
Display :: display_header($tool_name);
//api_display_tool_title($tool_name);
// Action handling: searching
if (isset ($_GET['search']) AND $_GET['search'] == 'advanced')
{
SurveyUtil::display_survey_search_form();
}
// Action handling: deleting a survey
if (isset($_GET['action']) AND $_GET['action'] == 'delete' AND isset($_GET['survey_id']) AND is_numeric($_GET['survey_id']))
{
// getting the information of the survey (used for when the survey is shared)
$survey_data = survey_manager::get_survey($_GET['survey_id']);
// if the survey is shared => also delete the shared content
if (is_numeric($survey_data['survey_share']))
{
survey_manager::delete_survey($survey_data['survey_share'], true);
}
$return = survey_manager :: delete_survey($_GET['survey_id']);
if ($return)
{
Display :: display_confirmation_message(get_lang('SurveyDeleted'), false);
}
else
{
Display :: display_error_message(get_lang('ErrorOccurred'), false);
}
}
if(isset($_GET['action']) && $_GET['action'] == 'empty')
{
$return = survey_manager::empty_survey(intval($_GET['survey_id']));
if ($return)
{
Display :: display_confirmation_message(get_lang('SurveyEmptied'), false);
}
else
{
Display :: display_error_message(get_lang('ErrorOccurred'), false);
}
}
// Action handling: performing the same action on multiple surveys
if ($_POST['action'])
{
if (is_array($_POST['id']))
{
foreach ($_POST['id'] as $key=>$value)
{
// getting the information of the survey (used for when the survey is shared)
$survey_data = survey_manager::get_survey($value);
// if the survey is shared => also delete the shared content
if (is_numeric($survey_data['survey_share']))
{
survey_manager::delete_survey($survey_data['survey_share'], true);
}
// delete the actual survey
survey_manager::delete_survey($value);
}
Display :: display_confirmation_message(get_lang('SurveysDeleted'), false);
}
else
{
Display :: display_error_message(get_lang('NoSurveysSelected'), false);
}
}
// Action links
echo ''.get_lang('CreateNewSurvey').' | ';
//echo ''.get_lang('CreateExistingSurvey').' | ';
echo ''.get_lang('Search').'';
// Main content
SurveyUtil::display_survey_list();
// Footer
Display :: display_footer();
/* Bypass functions to make direct use from SortableTable possible */
function get_number_of_surveys()
{
return SurveyUtil::get_number_of_surveys();
}
function get_survey_data($from, $number_of_items, $column, $direction)
{
return SurveyUtil::get_survey_data($from, $number_of_items, $column, $direction);
}
function modify_filter($survey_id)
{
return SurveyUtil::modify_filter($survey_id);
}
function anonymous_filter($anonymous)
{
return SurveyUtil::anonymous_filter($anonymous);
}