Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/survey/question.php

201 lines
6.9 KiB

<?php
/*
==============================================================================
Dokeos - elearning and course management software
Copyright (c) 2008 Dokeos SPRL
For a full list of contributors, see "credits.txt".
The full license can be read in "license.txt".
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
See the GNU General Public License for more details.
Contact address: Dokeos, rue du Corbeau, 108, B-1030 Brussels, Belgium
Mail: info@dokeos.com
==============================================================================
*/
/**
* @package dokeos.survey
* @author unknown, the initial survey that did not make it in 1.8 because of bad code
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University: cleanup, refactoring and rewriting large parts of the code
* @version $Id: question.php 21734 2009-07-02 17:12:41Z cvargas1 $
*/
// 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');
$htmlHeadXtra[] = '<script src="../inc/lib/javascript/jquery.js" type="text/javascript" language="javascript"></script>'; //jQuery
$htmlHeadXtra[] = '<script type="text/javascript">
$(document).ready( function() {
//Allow dokeos install in IE
$("button").click(function() {
$("#is_executable").attr("value",$(this).attr("name"));
});
} ); </script>';
/** @todo this has to be moved to a more appropriate place (after the display_header of the code)*/
if (!api_is_allowed_to_edit(false,true)) {
Display :: display_header();
Display :: display_error_message(get_lang('NotAllowed'), false);
Display :: display_footer();
exit;
}
//Is valid request
$is_valid_request=$_REQUEST['is_executable'];
if ($request_index<>$is_valid_request) {
if ($request_index=='save_question') {
unset($_POST[$request_index]);
} elseif ($request_index=='add_answer') {
unset($_POST[$request_index]);
} elseif($request_index=='remove_answer') {
unset($_POST[$request_index]);
}
}
// 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_course = Database :: get_main_table(TABLE_MAIN_COURSE);
$table_user = Database :: get_main_table(TABLE_MAIN_USER);
// getting the survey information
$survey_data = survey_manager::get_survey($_GET['survey_id']);
if (empty($survey_data)) {
Display :: display_header(get_lang('Survey'));
Display :: display_error_message(get_lang('InvallidSurvey'), false);
Display :: display_footer();
exit;
}
$urlname = api_substr(api_html_entity_decode($survey_data['title'],ENT_QUOTES,$charset), 0, 40);
if (api_strlen(strip_tags($survey_data['title'])) > 40) {
$urlname .= '...';
}
if($survey_data['survey_type']==1) {
$sql = 'SELECT id FROM '.Database :: get_course_table(TABLE_SURVEY_QUESTION_GROUP).' WHERE survey_id = '.(int)$_GET['survey_id'].' LIMIT 1';
$rs = Database::query($sql);
if(Database::num_rows($rs)===0) {
header('Location: survey.php?survey_id='.(int)$_GET['survey_id'].'&message='.'YouNeedToCreateGroups');
exit;
}
}
// breadcrumbs
$interbreadcrumb[] = array ("url" => 'survey_list.php', 'name' => get_lang('SurveyList'));
$interbreadcrumb[] = array ("url" => 'survey.php?survey_id='.Security::remove_XSS($_GET['survey_id']), 'name' => strip_tags($urlname));
// Tool name
if ($_GET['action'] == 'add') {
$tool_name = get_lang('AddQuestion');
}
if ($_GET['action'] == 'edit') {
$tool_name = get_lang('EditQuestion');
}
// the possible question types
$possible_types = array('personality','yesno', 'multiplechoice', 'multipleresponse', 'open', 'dropdown', 'comment', 'pagebreak', 'percentage', 'score');
// actions
$actions = '<div class="actions">';
$actions .= '<a href="survey.php?survey_id='.Security::remove_XSS($_GET['survey_id']).'">'.Display::return_icon('back.png',get_lang('BackToSurvey')).get_lang('BackToSurvey').'</a>';
$actions .= '</div>';
// checking if it is a valid type
if (!in_array($_GET['type'], $possible_types))
{
Display :: display_header($tool_name,'Survey');
echo $actions;
Display :: display_error_message(get_lang('TypeDoesNotExist'), false);
Display :: display_footer();
}
// displaying the form for adding or editing the question
if (empty($_POST['save_question']) && in_array($_GET['type'],$possible_types)) {
if (!isset($_POST['save_question'])) {
// Displaying the header
Display::display_header($tool_name,'Survey');
echo $actions;
$error_message='';
// Displys message if exists
if (isset($_SESSION['temp_sys_message'])) {
$error_message=$_SESSION['temp_sys_message'];
unset($_SESSION['temp_sys_message']);
if ($error_message=='PleaseEnterAQuestion' || $error_message=='PleasFillAllAnswer'|| $error_message=='PleaseChooseACondition'|| $error_message=='ChooseDifferentCategories') {
Display::display_error_message(get_lang($error_message), true);
}
}
}
$form = new $_GET['type'];
// The defaults values for the form
$form_content['answers'] = array('', '');
if ($_GET['type'] == 'yesno') {
$form_content['answers'][0]=get_lang('Yes');
$form_content['answers'][1]=get_lang('No');
}
if ($_GET['type'] == 'personality') {
$form_content['answers'][0]=get_lang('1');
$form_content['answers'][1]=get_lang('2');
$form_content['answers'][2]=get_lang('3');
$form_content['answers'][3]=get_lang('4');
$form_content['answers'][4]=get_lang('5');
$form_content['values'][0]=0;
$form_content['values'][1]=0;
$form_content['values'][2]=1;
$form_content['values'][3]=2;
$form_content['values'][4]=3;
}
// We are editing a question
if (isset($_GET['question_id']) AND !empty($_GET['question_id'])) {
$form_content = survey_manager::get_question($_GET['question_id']);
}
// an action has been performed (for instance adding a possible answer, moving an answer, ...)
if ($_POST) {
$form_content = $_POST;
$form_content = $form->handle_action($form_content);
}
if ($error_message!='') {
$form_content['question']=$_SESSION['temp_user_message'];
$form_content['answers']=$_SESSION['temp_answers'];
$form_content['values']=$_SESSION['temp_values'];
$form_content['horizontalvertical'] = $_SESSION['temp_horizontalvertical'];
unset($_SESSION['temp_user_message']);
unset($_SESSION['temp_answers']);
unset($_SESSION['temp_values']);
unset($_SESSION['temp_horizontalvertical']);
}
$form->create_form($form_content);
$form->render_form();
} else {
$form_content = $_POST;
$form = new question();
$form->handle_action($form_content);
}
// Footer
Display :: display_footer();
?>