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

343 lines
14 KiB

<?php
/*
==============================================================================
Dokeos - elearning and course management software
Copyright (c) 2004-2009 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 (if not all) of the code
* @author Julio Montoya Armas <gugli100@gmail.com>, Dokeos: Personality Test modification and rewriting large parts of the code
* @version $Id: create_new_survey.php 22297 2009-07-22 22:08:30Z cfasanando $
*
* @todo only the available platform languages should be used => need an api get_languages and and api_get_available_languages (or a parameter)
*/
// name of the language file that needs to be included
$language_file = 'survey';
// including the global dokeos file
require_once ('../inc/global.inc.php');
$htmlHeadXtra[] = '<script type="text/javascript" language="javascript">
function advanced_parameters() {
if(document.getElementById(\'options\').style.display == \'none\') {
document.getElementById(\'options\').style.display = \'block\';
document.getElementById(\'plus_minus\').innerHTML=\'&nbsp;'.Display::return_icon('div_hide.gif',get_lang('Hide'),array('style'=>'vertical-align:middle')).'&nbsp;'.get_lang('AdvancedParameters').'\';
} else {
document.getElementById(\'options\').style.display = \'none\';
document.getElementById(\'plus_minus\').innerHTML=\'&nbsp;'.Display::return_icon('div_show.gif',get_lang('Show'),array('style'=>'vertical-align:middle')).'&nbsp;'.get_lang('AdvancedParameters').'\';
}
}
</script>';
// including additional libraries
/** @todo check if these are all needed */
/** @todo check if the starting / is needed. api_get_path probably ends with an / */
//require_once (api_get_path(LIBRARY_PATH)."/survey.lib.php");
require_once('survey.lib.php');
require_once (api_get_path(LIBRARY_PATH).'/fileManage.lib.php');
require_once (api_get_path(CONFIGURATION_PATH) ."/add_course.conf.php");
require_once (api_get_path(LIBRARY_PATH)."/add_course.lib.inc.php");
require_once (api_get_path(LIBRARY_PATH)."/course.lib.php");
require_once (api_get_path(LIBRARY_PATH)."/groupmanager.lib.php");
require_once (api_get_path(LIBRARY_PATH)."/usermanager.lib.php");
require_once (api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php');
// Database table definitions
$table_survey = Database :: get_course_table(TABLE_SURVEY);
$table_user = Database :: get_main_table(TABLE_MAIN_USER);
$table_course = Database :: get_main_table(TABLE_MAIN_COURSE);
$table_course_survey_rel = Database :: get_main_table(TABLE_MAIN_COURSE_SURVEY);
/** @todo this has to be moved to a more appropriate place (after the display_header of the code)*/
// if user is not teacher or if he's a coach trying to access an element out of his session
if (!api_is_allowed_to_edit())
{
if(!api_is_course_coach() || (!empty($_GET['survey_id']) && !api_is_element_in_the_session(TOOL_SURVEY,intval($_GET['survey_id']))))
{
Display :: display_header();
Display :: display_error_message(get_lang('NotAllowed'), false);
Display :: display_footer();
exit;
}
}
// getting the survey information
$survey_id = Security::remove_XSS($_GET['survey_id']);
$survey_data = survey_manager::get_survey($survey_id);
$urlname = strip_tags(api_substr(api_html_entity_decode($survey_data['title'],ENT_QUOTES,$charset), 0, 40));
if (api_strlen(strip_tags($survey_data['title'])) > 40) {
$urlname .= '...';
}
// breadcrumbs
if ($_GET['action'] == 'add')
{
$interbreadcrumb[] = array ("url" => "survey_list.php", "name" => get_lang('SurveyList'));
$tool_name = get_lang('CreateNewSurvey');
}
if ($_GET['action'] == 'edit' && is_numeric($survey_id))
{
$interbreadcrumb[] = array ("url" => "survey_list.php", "name" => get_lang('SurveyList'));
$interbreadcrumb[] = array ("url" => "survey.php?survey_id=".$survey_id, "name" => strip_tags($urlname));
$tool_name = get_lang('EditSurvey');
}
// getting the default values
if ($_GET['action'] == 'edit' AND isset($survey_id) AND is_numeric($survey_id))
{
$defaults = $survey_data;
$defaults['survey_id'] = $survey_id;
/*
$defaults['survey_share'] = array();
$defaults['survey_share']['survey_share'] = $survey_data['survey_share'];
if (!is_numeric($survey_data['survey_share']) OR $survey_data['survey_share'] == 0)
{
$form_share_value = 'true';
}
else
{
$form_share_value = $defaults['survey_share']['survey_share'];
}
*/
$defaults['anonymous'] = $survey_data['anonymous'];
}
else
{
$defaults['survey_language'] = $_course['language'];
$defaults['start_date'] = date('d-F-Y H:i');
$startdateandxdays = time() + 864000; // today + 10 days
$defaults['end_date'] = date('d-F-Y H:i', $startdateandxdays);
//$defaults['survey_share']['survey_share'] = 0;
//$form_share_value = 1;
$defaults['anonymous'] = 0;
}
// initiate the object
$form = new FormValidator('survey', 'post', api_get_self().'?action='.Security::remove_XSS($_GET['action']).'&survey_id='.$survey_id);
$form->addElement('header', '', $tool_name);
// settting the form elements
if ($_GET['action'] == 'edit' AND isset($survey_id) AND is_numeric($survey_id))
{
$form->addElement('hidden', 'survey_id');
}
$survey_code = $form->addElement('text', 'survey_code', get_lang('SurveyCode'), array('size' => '20','maxlength'=>'20'));
//$form->applyFilter('survey_code', 'html_filter');
if ($_GET['action'] == 'edit') {
$survey_code->freeze();
$form->applyFilter('survey_code', 'api_strtoupper');
}
$form->addElement('html_editor', 'survey_title', get_lang('SurveyTitle'), null, array('ToolbarSet' => 'Survey', 'Width' => '100%', 'Height' => '200'));
$form->addElement('html_editor', 'survey_subtitle', get_lang('SurveySubTitle'), null, array('ToolbarSet' => 'Survey', 'Width' => '100%', 'Height' => '100', 'ToolbarStartExpanded' => false));
/*
//Language selection has been disabled. If you want to re-enable, please
//disable the following line (hidden language field).
$lang_array = api_get_languages();
foreach ($lang_array['name'] as $key=>$value) {
$languages[$lang_array['folder'][$key]] = $value;
}
$form->addElement('select', 'survey_language', get_lang('Language'), $languages);
*/
// Pass the language of the survey in the form
$form->addElement('hidden', 'survey_language');
$form->addElement('datepickerdate', 'start_date', get_lang('StartDate'), array('form_name'=>'survey'));
$form->addElement('datepickerdate', 'end_date', get_lang('EndDate'), array('form_name'=>'survey'));
//$group='';
//$group[] =& HTML_QuickForm::createElement('radio', 'survey_share',null, get_lang('Yes'),$form_share_value);
/** TODO maybe it is better to change this into false instead see line 95 in survey.lib.php */
//$group[] =& HTML_QuickForm::createElement('radio', 'survey_share',null, get_lang('No'),0);
//$form->addGroup($group, 'survey_share', get_lang('ShareSurvey'), '&nbsp;');
$form->addElement('checkbox', 'anonymous', get_lang('Anonymous'));
$form->addElement('html_editor', 'survey_introduction', get_lang('SurveyIntroduction'), null, array('ToolbarSet' => 'Survey', 'Width' => '100%', 'Height' => '130', 'ToolbarStartExpanded' => false));
$form->addElement('html_editor', 'survey_thanks', get_lang('SurveyThanks'), null, array('ToolbarSet' => 'Survey', 'Width' => '100%', 'Height' => '130', 'ToolbarStartExpanded' => false));
/*
// Aditional Parameters
$form -> addElement('html','<div class="row">
<div class="label">&nbsp;</div>
<div class="formw">
<a href="javascript://" onclick="if(document.getElementById(\'options\').style.display == \'none\'){document.getElementById(\'options\').style.display = \'block\';}else{document.getElementById(\'options\').style.display = \'none\';}"><img src="../img/add_na.gif" alt="" />'.get_lang('AdvancedParameters').'</a>
</div>
</div>');*/
// Personality/Conditional Test Options
$surveytypes[0] = get_lang('Normal');
$surveytypes[1] = get_lang('Conditional');
if ($_GET['action'] == 'add')
{
$form->addElement('hidden','survey_type',0);
$form -> addElement('html','<div id="options" style="display: none;">');
require_once(api_get_path(LIBRARY_PATH).'surveymanager.lib.php');
$survey_tree = new SurveyTree();
$list_surveys = $survey_tree->createList($survey_tree->surveylist);
$list_surveys[0]='';
$form->addElement('select', 'parent_id', get_lang('ParentSurvey'), $list_surveys);
$defaults['parent_id']=0;
}
if ($survey_data['survey_type']==1 || $_GET['action'] == 'add' )
{
$form->addElement('checkbox', 'one_question_per_page', get_lang('OneQuestionPerPage'));
$form->addElement('checkbox', 'shuffle', get_lang('ActivateShuffle'));
}
if ((isset($_GET['action']) && $_GET['action'] == 'edit') && !empty($survey_id) )
{
if ($survey_data['anonymous']==0 ) {
// Aditional Parameters
$form -> addElement('html','<div class="row">
<div class="label">
<a href="javascript: void(0);" onclick="javascript: advanced_parameters();" ><span id="plus_minus">&nbsp;'.Display::return_icon('div_show.gif',null,array('style'=>'vertical-align:middle')).'&nbsp;'.get_lang('AdvancedParameters').'</span></a>
</div>
<div class="formw">
&nbsp;
</div>
</div>');
$form -> addElement('html','<div id="options" style="display:none">');
$form->addElement('checkbox', 'show_form_profile', get_lang('ShowFormProfile'),'','onclick="javascript:if(this.checked==true){document.getElementById(\'options_field\').style.display = \'block\';}else{document.getElementById(\'options_field\').style.display = \'none\';}"');
if ($survey_data['show_form_profile']== 1) {
$form -> addElement('html','<div id="options_field" style="display:block">');
} else {
$form -> addElement('html','<div id="options_field" style="display:none">');
}
$field_list=SurveyUtil::make_field_list();
if (is_array ($field_list))
{
//TODO hide and show the list in a fancy DIV
foreach ($field_list as $key=> $field)
{
if ($field['visibility']==1)
{
$form->addElement('checkbox', 'profile_'.$key, ' ','&nbsp;&nbsp;'.$field['name'] );
$input_name_list.= 'profile_'.$key.',';
}
}
// necesary to know the fields
$form->addElement('hidden', 'input_name_list', $input_name_list );
//set defaults form fields
if ($survey_data['form_fields'])
{
$form_fields=explode('@',$survey_data['form_fields']);
foreach($form_fields as $field)
{
$field_value=explode(':',$field);
if ($field_value[0]!='' && $field_value[1]!= '')
{
$defaults[$field_value[0]]=$field_value[1];
}
}
}
}
$form->addElement('html', '</div></div>');
}
}
$form -> addElement('html','</div><br />');
if(isset($_GET['survey_id']) && $_GET['action']=='edit') {
$class="save";
$text=get_lang('ModifySurvey');
} else {
$class="add";
$text=get_lang('CreateSurvey');
}
$form->addElement('style_submit_button', 'submit_survey', $text, 'class="'.$class.'"');
// setting the rules
if ($_GET['action'] == 'add')
{
$form->addRule('survey_code', '<div class="required">'.get_lang('ThisFieldIsRequired'), 'required');
$form->addRule('survey_code', '', 'maxlength',20);
}
$form->addRule('survey_title', '<div class="required">'.get_lang('ThisFieldIsRequired'), 'required');
$form->addRule('start_date', get_lang('InvalidDate'), 'date');
$form->addRule('end_date', get_lang('InvalidDate'), 'date');
$form->addRule(array ('start_date', 'end_date'), get_lang('StartDateShouldBeBeforeEndDate'), 'date_compare', 'lte');
// setting the default values
$form->setDefaults($defaults);
// The validation or display
if( $form->validate() )
{
// exporting the values
$values = $form->exportValues();
// storing the survey
$return = survey_manager::store_survey($values);
/*// deleting the shared survey if the survey is getting unshared (this only happens when editing)
if (is_numeric($survey_data['survey_share']) AND $values['survey_share']['survey_share'] == 0 AND $values['survey_id']<>'')
{
survey_manager::delete_survey($survey_data['survey_share'], true);
}
// storing the already existing questions and options of a survey that gets shared (this only happens when editing)
if ($survey_data['survey_share']== 0 AND $values['survey_share']['survey_share'] !== 0 AND $values['survey_id']<>'')
{
survey_manager::get_complete_survey_structure($return['id']);
}
*/
if($return['type'] == 'error')
{
// Displaying the header
Display::display_header($tool_name);
// display the error
Display::display_error_message(get_lang($return['message']), false);
// display the form
$form->display();
}
if ($config['survey']['debug'])
{
// displaying a feedback message
Display::display_confirmation_message($return['message'], false);
} else {
// redirecting to the survey page (whilst showing the return message
header('location:survey.php?survey_id='.$return['id'].'&message='.$return['message']);
}
} else {
// Displaying the header
Display::display_header($tool_name);
// Displaying the tool title
//api_display_tool_title($tool_name);
// display the form
$form->display();
}
// Footer
Display :: display_footer();
?>