, Ghent University: cleanup, refactoring and rewriting large parts of the code
* @version $Id: survey.php 17900 2009-01-21 17:02:59Z cvargas1 $
*
* @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)*/
// coach can't view this page
$extend_rights_for_coachs = api_get_setting('extend_rights_for_coach_on_survey');
if (!api_is_allowed_to_edit(false,true) || (api_is_course_coach() && $extend_rights_for_coachs=='false'))
{
Display :: display_header(get_lang('Survey'));
Display :: display_error_message(get_lang('NotAllowed'), false);
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_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
$table_survey_question_group = Database :: get_course_table(TABLE_SURVEY_QUESTION_GROUP);
$table_course = Database :: get_main_table(TABLE_MAIN_COURSE);
$table_user = Database :: get_main_table(TABLE_MAIN_USER);
$user_info = Database :: get_main_table(TABLE_MAIN_SURVEY_REMINDER);
// breadcrumbs
$interbreadcrumb[] = array ("url" => "survey_list.php", "name" => get_lang('SurveyList'));
// getting the survey information
$survey_data = survey_manager::get_survey($_GET['survey_id']);
if (substr($survey_data['title'],0,3)!=''){
$tool_name = substr(html_entity_decode($survey_data['title'],ENT_QUOTES,$charset), 0, 40);
}else{
$tool_name = substr(html_entity_decode(substr($survey_data['title'],3,-4),ENT_QUOTES,$charset), 0, 40);
}
$is_survey_type_1 = ($survey_data['survey_type']==1)?true:false;
if (strlen(strip_tags($survey_data['title'])) > 40)
{
$tool_name .= '...';
}
if($is_survey_type_1 && ($_GET['action']=='addgroup')||($_GET['action']=='deletegroup'))
{
$_POST['name'] = trim($_POST['name']);
if(($_GET['action']=='addgroup'))
{
if(!empty($_POST['group_id']))
{
api_sql_query('UPDATE '.$table_survey_question_group.' SET description = \''.Database::escape_string($_POST['description']).'\' WHERE id = \''.Database::escape_string($_POST['group_id']).'\'');
$sendmsg = 'GroupUpdatedSuccessfully';
}
elseif(!empty($_POST['name']))
{
api_sql_query('INSERT INTO '.$table_survey_question_group.' (name,description,survey_id) values (\''.Database::escape_string($_POST['name']).'\',\''.Database::escape_string($_POST['description']).'\',\''.Database::escape_string($_GET['survey_id']).'\') ');
$sendmsg = 'GroupCreatedSuccessfully';
} else {
$sendmsg = 'GroupNeedName';
}
}
if($_GET['action']=='deletegroup'){
api_sql_query('DELETE FROM '.$table_survey_question_group.' WHERE id = '.Database::escape_string($_GET['gid']).' and survey_id = '.Database::escape_string($_GET['survey_id']));
$sendmsg = 'GroupDeletedSuccessfully';
}
header('Location:survey.php?survey_id='.(int)$_GET['survey_id'].'&sendmsg='.$sendmsg);
exit;
}
// Displaying the header
Display::display_header($tool_name,'Survey');
// Action handling
if (isset($_GET['action']))
{
if (($_GET['action'] == 'moveup' OR $_GET['action'] == 'movedown') AND isset($_GET['question_id']))
{
survey_manager::move_survey_question($_GET['action'], $_GET['question_id'], $_GET['survey_id']);
Display::display_confirmation_message(get_lang('SurveyQuestionMoved'), false);
}
if ($_GET['action'] == 'delete' AND is_numeric($_GET['question_id']))
{
survey_manager::delete_survey_question($_GET['survey_id'], $_GET['question_id'], $survey_data['is_shared']);
}
}
if (isset($_GET['message']))
{
// we have created the survey or updated the survey
if (in_array($_GET['message'], array('SurveyUpdatedSuccesfully','SurveyCreatedSuccesfully')))
{
Display::display_confirmation_message(get_lang($_GET['message']).'
'.get_lang('YouCanNowAddQuestionToYourSurvey'), false);
}
// we have added a question
if (in_array($_GET['message'], array('QuestionAdded','QuestionUpdated')))
{
Display::display_confirmation_message(get_lang($_GET['message']), false);
}
if (in_array($_GET['message'], array('YouNeedToCreateGroups')))
{
Display::display_warning_message(get_lang($_GET['message']), false);
}
}
if(!empty($survey_data['survey_version'])) echo ''.get_lang('Version').': '.$survey_data['survey_version'].'';
// We exit here is the first or last question is a pagebreak (which causes errors)
SurveyUtil::check_first_last_question($_GET['survey_id']);
// Action links
$survey_actions = get_lang('Survey').': ';
$survey_actions .= ''.Display::return_icon('edit.gif', get_lang('Edit')).' '.get_lang('EditSurvey').'';
$survey_actions .= ''.Display::return_icon('delete.gif', get_lang('Delete')).' '.get_lang('DeleteSurvey').'';
//$survey_actions .= ''.Display::return_icon('copy.gif', get_lang('Copy')).'';
$survey_actions .= ''.Display::return_icon('preview.gif', get_lang('Preview')).' '.get_lang('Preview').'';
$survey_actions .= ''.Display::return_icon('survey_publish.gif', get_lang('Publish')).' '.get_lang('Publish').'';
$survey_actions .= ''.Display::return_icon('statistics.gif', get_lang('Reporting')).' '.get_lang('Reporting').'';
echo '
'.$survey_actions.'
';
//print_r($survey_data);
if ($survey_data['survey_type']==0)
{
echo '';
}
else
{
echo '';
echo '
'.get_lang('PersonalityQuestion').'';
echo '';
}
// Displaying the table header with all the questions
echo '';
echo ' ';
echo ' | '.get_lang('QuestionNumber').' | ';
echo ' '.get_lang('Title').' | ';
echo ' '.get_lang('Type').' | ';
echo ' '.get_lang('NumberOfOptions').' | ';
echo ' '.get_lang('Modify').' | ';
if($is_survey_type_1)
{
echo ''.get_lang('Condition').' | ';
echo ''.get_lang('Group').' | ';
}
echo '
';
// Displaying the table contents with all the questions
$question_counter = 1;
$sql = "SELECT * FROM $table_survey_question_group WHERE survey_id = '".(int)$_GET['survey_id']."' ORDER BY id";
$result = api_sql_query($sql, __FILE__, __LINE__);
$groups = array();
while($row = Database::fetch_array($result))
{
$groups[$row['id']] = $row['name'];
}
$sql = "SELECT survey_question.*, count(survey_question_option.question_option_id) as number_of_options
FROM $table_survey_question survey_question
LEFT JOIN $table_survey_question_option survey_question_option
ON survey_question.question_id = survey_question_option.question_id
WHERE survey_question.survey_id = '".Database::escape_string($_GET['survey_id'])."'
GROUP BY survey_question.question_id
ORDER BY survey_question.sort ASC";
$result = api_sql_query($sql, __FILE__, __LINE__);
$question_counter_max = Database::num_rows($result);
while ($row = Database::fetch_array($result,'ASSOC'))
{
echo '';
echo ' | '.$question_counter.' | ';
echo ' ';
if (strlen($row['survey_question']) > 100)
{
echo substr(strip_tags($row['survey_question']),0, 100).' ... ';
}
else
{
echo $row['survey_question'];
}
echo ' | ';
echo ' '.get_lang(ucfirst($row['type'])).' | ';
echo ' '.$row['number_of_options'].' | ';
echo ' ';
echo ' '.Display::return_icon('edit.gif', get_lang('Edit')).'';
echo ' '.Display::return_icon('delete.gif', get_lang('Delete')).'';
if ($question_counter > 1)
{
echo ' '.Display::return_icon('up.gif', get_lang('MoveUp')).'';
} else {
echo '  ';
}
if ($question_counter < $question_counter_max)
{
echo ' '.Display::return_icon('down.gif', get_lang('MoveDown')).'';
} else {
echo '  ';
}
echo ' | ';
$question_counter++;
if($is_survey_type_1)
{
echo ''.(($row['survey_group_pri']==0)?get_lang('Secondary'):get_lang('Primary')).' | ';
echo ''.(($row['survey_group_pri']==0)?$groups[$row['survey_group_sec1']].'-'.$groups[$row['survey_group_sec2']]:$groups[$row['survey_group_pri']]).' | ';
}
echo '
';
}
echo '
';
if($is_survey_type_1)
{
echo '
'.get_lang('ManageGroups').'
';
if (in_array($_GET['sendmsg'], array('GroupUpdatedSuccessfully','GroupDeletedSuccessfully','GroupCreatedSuccessfully'))){
echo Display::display_confirmation_message(get_lang($_GET['sendmsg']), false);
}
if (in_array($_GET['sendmsg'], array('GroupNeedName'))){
echo Display::display_warning_message(get_lang($_GET['sendmsg']), false);
}
echo '| '.get_lang('Name').' | '.get_lang('Description').' |
';
echo ' 
'.get_lang('MultipleChoice').'';
echo '
'.get_lang('MultipleResponse').'';
echo '
'.get_lang('Open').'';
echo '
'.get_lang('Dropdown').'';
echo '
'.get_lang('Percentage').'';
echo '
'.get_lang('Score').'';
echo '
'.get_lang('Comment').'';
echo '
'.get_lang('Pagebreak').'';
echo '