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

285 lines
12 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* This script allows professors and administrative staff to create course sites.
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
* @author Roan Embrechts, refactoring
* @package chamilo.create_course
* "Course validation" feature:
* @author Jose Manuel Abuin Mosquera <chema@cesga.es>, Centro de Supercomputacion de Galicia
* "Course validation" feature, technical adaptation for Chamilo 1.8.8:
* @author Ivan Tcholakov <ivantcholakov@gmail.com>
*/
/**
* Code
*/
// Name of the language file that needs to be included.
$language_file = array('create_course', 'registration','admin','exercice', 'course_description', 'course_info');
// Flag forcing the "current course" reset.
$cidReset = true;
// Including the global initialization file.
require_once '../inc/global.inc.php';
// Section for the tabs.
$this_section = SECTION_COURSES;
// "Course validation" feature. This value affects the way of a new course creation:
// true - the new course is requested only and it is created after approval;
// false - the new course is created immedialely, after filling this form.
$course_validation_feature = api_get_setting('course_validation') == 'true';
// Require additional libraries.
require_once api_get_path(LIBRARY_PATH).'fileManage.lib.php';
require_once api_get_path(CONFIGURATION_PATH).'course_info.conf.php';
if ($course_validation_feature) {
require_once api_get_path(LIBRARY_PATH).'course_request.lib.php';
require_once api_get_path(LIBRARY_PATH).'mail.lib.inc.php';
}
$htmlHeadXtra[] = '<script type="text/javascript">
function setFocus(){
$("#title").focus();
}
$(window).load(function () {
setFocus();
});
function advanced_parameters() {
if(document.getElementById(\'options\').style.display == \'none\') {
document.getElementById(\'options\').style.display = \'block\';
document.getElementById(\'img_plus_and_minus\').innerHTML=\'&nbsp;<img style="vertical-align:middle;" src="../img/div_hide.gif" alt="" />&nbsp;'.get_lang('AdvancedParameters').'\';
} else {
document.getElementById(\'options\').style.display = \'none\';
document.getElementById(\'img_plus_and_minus\').innerHTML=\'&nbsp;<img style="vertical-align:middle;" src="../img/div_show.gif" alt="" />&nbsp;'.get_lang('AdvancedParameters').'\';
}
}
</script>';
$interbreadcrumb[] = array('url' => api_get_path(WEB_PATH).'user_portal.php', 'name' => get_lang('MyCourses'));
// Displaying the header.
$tool_name = $course_validation_feature ? get_lang('CreateCourseRequest') : get_lang('CreateSite');
$tpl = new Template($tool_name);
if (api_get_setting('allow_users_to_create_courses') == 'false' && !api_is_platform_admin()) {
api_not_allowed(true);
}
// Check access rights.
if (!api_is_allowed_to_create_course()) {
api_not_allowed(true);
exit;
}
// Build the form.
$form = new FormValidator('add_course');
// Form title
$form->addElement('header', $tool_name);
// Title
$form->addElement('text', 'title', array(get_lang('CourseName'), get_lang('Ex')), array('class' => 'span6', 'id' => 'title'));
$form->applyFilter('title', 'html_filter');
$form->addRule('title', get_lang('ThisFieldIsRequired'), 'required');
$advanced = '<a href="javascript://" onclick=" return advanced_parameters()"><span id="img_plus_and_minus"><div style="vertical-align:top;" ><img style="vertical-align:middle;" src="../img/div_show.gif" alt="" />&nbsp;'.get_lang('AdvancedParameters').'</div></span></a>';
$form -> addElement('advanced_settings',$advanced);
$form -> addElement('html','<div id="options" style="display:none">');
// Course category.
$categories_select = $form->addElement('select', 'category_code', array(get_lang('Fac'), get_lang('TargetFac')), array(), array('id'=> 'category_code','class'=>'chzn-select', 'style'=>'width:350px'));
$form->applyFilter('category_code', 'html_filter');
$categories_select->addOption('-','');
CourseManager::select_and_sort_categories($categories_select);
// Course code
$form->add_textfield('wanted_code', array(get_lang('Code'), get_lang('OnlyLettersAndNumbers')), '', array('class' => 'span3', 'maxlength' => MAX_COURSE_LENGTH_CODE));
$form->applyFilter('wanted_code', 'html_filter');
$form->addRule('wanted_code', get_lang('Max'), 'maxlength', MAX_COURSE_LENGTH_CODE);
/*if ($course_validation_feature) {
$form->addRule('wanted_code', get_lang('ThisFieldIsRequired'), 'required');
}*/
// The teacher
//get_lang('ExplicationTrainers')
$titular = & $form->add_textfield('tutor_name', array(get_lang('Professor'), null), null, array('size' => '60', 'disabled' => 'disabled'));
//$form->applyFilter('tutor_name', 'html_filter');
if ($course_validation_feature) {
// Description of the requested course.
$form->addElement('textarea', 'description', get_lang('Description'), array('class' => 'span6', 'rows' => '3'));
//$form->addRule('description', get_lang('ThisFieldIsRequired'), 'required');
// Objectives of the requested course.
$form->addElement('textarea', 'objetives', get_lang('Objectives'), array('class' => 'span6', 'rows' => '3'));
//$form->addRule('objetives', get_lang('ThisFieldIsRequired'), 'required');
// Target audience of the requested course.
$form->addElement('textarea', 'target_audience', get_lang('TargetAudience'), array('class' => 'span6', 'rows' => '3'));
//$form->addRule('target_audience', get_lang('ThisFieldIsRequired'), 'required');
}
// Course language.
$form->addElement('select_language', 'course_language', get_lang('Ln'), array(), array('style'=>'width:150px'));
$form->applyFilter('select_language', 'html_filter');
// Exemplary content checkbox.
$form->addElement('checkbox', 'exemplary_content', null, get_lang('FillWithExemplaryContent'));
if ($course_validation_feature) {
// A special URL to terms and conditions that is set in the platform settings page.
$terms_and_conditions_url = trim(api_get_setting('course_validation_terms_and_conditions_url'));
// If the special setting is empty, then we may get the URL from Chamilo's module "Terms and conditions", if it is activated.
if (empty($terms_and_conditions_url)) {
if (api_get_setting('allow_terms_conditions') == 'true') {
$terms_and_conditions_url = api_get_path(WEB_CODE_PATH).'auth/inscription.php?legal';
}
}
if (!empty($terms_and_conditions_url)) {
// Terms and conditions to be accepted before sending a course request.
$form->addElement('checkbox', 'legal', null, get_lang('IAcceptTermsAndConditions'), 1);
$form->addRule('legal', get_lang('YouHaveToAcceptTermsAndConditions'), 'required');
// Link to terms and conditions.
$link_terms_and_conditions = '<script type="text/JavaScript">
<!--
function MM_openBrWindow(theURL,winName,features) { //v2.0
window.open(theURL,winName,features);
}
//-->
</script><a href="#" onclick="javascript: MM_openBrWindow(\''.$terms_and_conditions_url.'\',\'Conditions\',\'scrollbars=yes, width=800\')">';
$link_terms_and_conditions .= get_lang('ReadTermsAndConditions').'</a>';
$form->addElement('label', null, $link_terms_and_conditions);
}
}
$obj = new GradeModel();
$obj->fill_grade_model_select_in_form($form);
$form->addElement('html','</div>');
// Submit button.
$form->addElement('style_submit_button', null, $course_validation_feature ? get_lang('CreateThisCourseRequest') : get_lang('CreateCourseArea'), 'class="add"');
// The progress bar of this form.
$form->add_progress_bar();
// Set default values.
if (isset($_user['language']) && $_user['language'] != '') {
$values['course_language'] = $_user['language'];
} else {
$values['course_language'] = api_get_setting('platformLanguage');
}
$form->setDefaults($values);
// Validate the form.
if ($form->validate()) {
$course_values = $form->exportValues();
$wanted_code = $course_values['wanted_code'];
//$tutor_name = $course_values['tutor_name'];
$category_code = $course_values['category_code'];
$title = $course_values['title'];
$course_language = $course_values['course_language'];
$exemplary_content = !empty($course_values['exemplary_content']);
if ($course_validation_feature) {
$description = $course_values['description'];
$objetives = $course_values['objetives'];
$target_audience = $course_values['target_audience'];
}
if ($wanted_code == '') {
$wanted_code = generate_course_code(api_substr($title, 0, MAX_COURSE_LENGTH_CODE));
}
// Check whether the requested course code has already been occupied.
if (!$course_validation_feature) {
$course_code_ok = !CourseManager::course_code_exists($wanted_code);
} else {
$course_code_ok = !CourseRequestManager::course_code_exists($wanted_code);
}
if ($course_code_ok) {
if (!$course_validation_feature) {
$params = array();
$params['title'] = $title;
$params['exemplary_content'] = $exemplary_content;
$params['wanted_code'] = $wanted_code;
$params['category_code'] = $category_code;
$params['course_language'] = $course_language;
$params['gradebook_model_id'] = isset($course_values['gradebook_model_id']) ? $course_values['gradebook_model_id'] : null;
$course_info = CourseManager::create_course($params);
if (!empty($course_info)) {
$directory = $course_info['directory'];
$title = $course_info['title'];
// Preparing a confirmation message.
$link = api_get_path(WEB_COURSE_PATH).$directory.'/';
$tpl->assign('course_url', $link);
$tpl->assign('course_title', Display::url($title, $link));
$tpl->assign('course_id', $course_info['code']);
$add_course_tpl = $tpl->get_template('create_course/add_course.tpl');
$message = $tpl->fetch($add_course_tpl);
} else {
$message = Display :: return_message(get_lang('CourseCreationFailed'), 'error', false);
// Display the form.
$content = $form->return_form();
}
} else {
// Create a request for a new course.
$request_id = CourseRequestManager::create_course_request($wanted_code, $title, $description, $category_code, $course_language, $objetives, $target_audience, api_get_user_id(), $exemplary_content);
if ($request_id) {
$course_request_info = CourseRequestManager::get_course_request_info($request_id);
$message = (is_array($course_request_info) ? '<strong>'.$course_request_info['code'].'</strong> : ' : '').get_lang('CourseRequestCreated');
$message = Display :: return_message($message, 'confirmation', false);
$message .= '<div style="float: left; margin:0px; padding: 0px;">' .
'<a class="btn" href="'.api_get_path(WEB_PATH).'user_portal.php">'.get_lang('Enter').'</a>' .
'</div>';
} else {
$message = Display :: return_message(get_lang('CourseRequestCreationFailed'), 'error', false);
// Display the form.
$content = $form->return_form();
}
}
} else {
$message = Display :: return_message(get_lang('CourseCodeAlreadyExists'), 'error', false);
// Display the form.
$content = $form->return_form();
}
} else {
if (!$course_validation_feature) {
$message = Display :: return_message(get_lang('Explanation'));
}
// Display the form.
$content = $form->return_form();
}
$tpl->assign('actions', $actions);
$tpl->assign('message', $message);
$tpl->assign('content', $content);
$template = $tpl->get_template('layout/layout_1_col.tpl');
$tpl->display($template);