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

328 lines
13 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* @package chamilo.group
*/
require_once __DIR__.'/../inc/global.inc.php';
$this_section = SECTION_COURSES;
$current_course_tool = TOOL_GROUP;
// Notice for unauthorized people.
api_protect_course_script(true);
if (!api_is_allowed_to_edit(false, true)) {
api_not_allowed(true);
}
$currentUrl = api_get_path(WEB_CODE_PATH).'group/group.php?'.api_get_cidreq();
/* Create the groups */
if (isset($_POST['action'])) {
switch ($_POST['action']) {
case 'create_groups':
$groups = [];
$useOnlyFirstCategory = false;
$firstCategory = isset($_POST['group_0_category']) ? $_POST['group_0_category'] : 0;
if (isset($_POST['same_category']) && $_POST['same_category']) {
$useOnlyFirstCategory = true;
}
$group1['category'] = isset($_POST['group_'.$i.'_category']) ? $_POST['group_'.$i.'_category'] : null;
for ($i = 0; $i < $_POST['number_of_groups']; $i++) {
$group1['name'] = empty($_POST['group_'.$i.'_name']) ? get_lang('Group').' '.$i : $_POST['group_'.$i.'_name'];
$group1['category'] = isset($_POST['group_'.$i.'_category']) ? $_POST['group_'.$i.'_category'] : null;
if ($useOnlyFirstCategory) {
$group1['category'] = $firstCategory;
}
$group1['tutor'] = isset($_POST['group_'.$i.'_tutor']) ? $_POST['group_'.$i.'_tutor'] : null;
$group1['places'] = isset($_POST['group_'.$i.'_places']) ? $_POST['group_'.$i.'_places'] : null;
$groups[] = $group1;
}
foreach ($groups as $index => $group) {
if (!empty($_POST['same_tutor'])) {
$group['tutor'] = $_POST['group_0_tutor'];
}
if (!empty($_POST['same_places'])) {
$group['places'] = $_POST['group_0_places'];
}
GroupManager::create_group(
$group['name'],
$group['category'],
$group['tutor'],
$group['places']
);
}
Display::addFlash(Display::return_message(get_lang('GroupsAdded')));
header("Location: ".$currentUrl);
exit;
break;
case 'create_subgroups':
GroupManager::create_subgroups(
$_POST['base_group'],
$_POST['number_of_groups']
);
Display::addFlash(Display::return_message(get_lang('GroupsAdded')));
header("Location: ".$currentUrl);
exit;
break;
case 'create_class_groups':
$ids = GroupManager::create_class_groups($_POST['group_category']);
Display::addFlash(Display::return_message(get_lang('GroupsAdded')));
header("Location: ".$currentUrl);
exit;
break;
}
}
$nameTools = get_lang('GroupCreation');
$interbreadcrumb[] = [
'url' => api_get_path(WEB_CODE_PATH).'group/group.php?'.api_get_cidreq(),
'name' => get_lang('Groups'),
];
Display :: display_header($nameTools, 'Group');
if (isset($_POST['number_of_groups'])) {
if (!is_numeric($_POST['number_of_groups']) || intval($_POST['number_of_groups']) < 1) {
echo Display::return_message(
get_lang('PleaseEnterValidNumber').'<br /><br />
<a href="group_creation.php?'.api_get_cidreq().'">&laquo; '.get_lang('Back').'</a>',
'error',
false
);
} else {
$number_of_groups = intval($_POST['number_of_groups']);
if ($number_of_groups > 1) {
?>
<script>
var number_of_groups = <?php echo $number_of_groups; ?>;
function switch_state(key) {
ref = document.getElementById(key+'_0');
for(i=1; i<number_of_groups; i++) {
var id = "#"+key+'_'+i;
element = document.getElementById(key+'_'+i);
element.disabled = !element.disabled;
disabled = element.disabled;
$(id).prop('disabled', disabled);
$(id).prop('value', ref.value);
$(id).selectpicker('refresh');
}
if (disabled) {
ref.addEventListener("change", copy, false);
} else {
ref.removeEventListener("change", copy, false);
}
copy_value(key);
}
function copy(e) {
key = e.currentTarget.id;
var re = new RegExp ('_0', '') ;
var key = key.replace(re, '') ;
copy_value(key);
}
function copy_value(key) {
ref = document.getElementById(key+'_0');
for( i=1; i<number_of_groups; i++) {
element = document.getElementById(key+'_'+i);
element.value = ref.value;
}
}
</script>
<?php
}
$group_categories = GroupManager::get_categories();
$group_id = GroupManager:: get_number_of_groups() + 1;
$cat_options = [];
foreach ($group_categories as $index => $category) {
$cat_options[$category['id']] = $category['title'];
}
$form = new FormValidator('create_groups_step2', 'POST', api_get_self().'?'.api_get_cidreq());
// Modify the default templates
$renderer = $form->defaultRenderer();
$form_template = "<form {attributes}>\n<div class='create-groups'>\n<table>\n{content}\n</table>\n</div>\n</form>";
$renderer->setFormTemplate($form_template);
$element_template = <<<EOT
<tr class="separate">
<td>
<!-- BEGIN required -->
<span class="form_required">*</span> <!-- END required -->{label}
</td>
<td>
<!-- BEGIN error -->
<span class="form_error">{error}</span><br /><!-- END error --> {element}
</td>
</tr>
EOT;
$renderer->setCustomElementTemplate($element_template);
$form->addElement('header', $nameTools);
$form->addElement('hidden', 'action');
$form->addElement('hidden', 'number_of_groups');
$defaults = [];
// Table heading
$group_el = [];
$group_el[] = $form->createElement('static', null, null, '<b>'.get_lang('GroupName').'</b>');
if (api_get_setting('allow_group_categories') === 'true') {
$group_el[] = $form->createElement('static', null, null, '<b>'.get_lang('GroupCategory').'</b>');
}
$group_el[] = $form->createElement('static', null, null, '<b>'.get_lang('GroupPlacesThis').'</b>');
$form->addGroup($group_el, 'groups', null, "</td><td>", false);
// Checkboxes
if ($_POST['number_of_groups'] > 1) {
$group_el = [];
$group_el[] = $form->createElement('static', null, null, ' ');
if (api_get_setting('allow_group_categories') === 'true') {
$group_el[] = $form->createElement(
'checkbox',
'same_category',
null,
get_lang('SameForAll'),
['onclick' => "javascript: switch_state('category');"]
);
}
$group_el[] = $form->createElement(
'checkbox',
'same_places',
null,
get_lang('SameForAll'),
['onclick' => "javascript: switch_state('places');"]
);
$form->addGroup($group_el, 'groups', null, '</td><td>', false);
}
// Properties for all groups
for ($group_number = 0; $group_number < $_POST['number_of_groups']; $group_number++) {
$group_el = [];
$group_el[] = $form->createElement('text', 'group_'.$group_number.'_name');
if (api_get_setting('allow_group_categories') === 'true') {
$group_el[] = $form->createElement(
'select',
'group_'.$group_number.'_category',
null,
$cat_options,
['id' => 'category_'.$group_number]
);
} else {
$group_el[] = $form->createElement('hidden', 'group_'.$group_number.'_category', 0);
$defaults['group_'.$group_number.'_category'] = array_keys($cat_options)[0];
}
$group_el[] = $form->createElement(
'text',
'group_'.$group_number.'_places',
null,
['class' => 'span1', 'id' => 'places_'.$group_number]
);
if ($_POST['number_of_groups'] < 10000) {
if ($group_id < 10) {
$prev = '000';
} elseif ($group_id < 100) {
$prev = '00';
} elseif ($group_id < 1000) {
$prev = '0';
} else {
$prev = '';
}
}
$defaults['group_'.$group_number.'_name'] = get_lang('GroupSingle').' '.$prev.$group_id++;
$form->addGroup($group_el, 'group_'.$group_number, null, '</td><td>', false);
}
$defaults['action'] = 'create_groups';
$defaults['number_of_groups'] = intval($_POST['number_of_groups']);
$form->setDefaults($defaults);
$form->addButtonCreate(get_lang('CreateGroup'), 'submit');
$form->display();
}
} else {
/*
* Show form to generate new groups
*/
$create_groups_form = new FormValidator('create_groups', 'post', api_get_self().'?'.api_get_cidreq());
$create_groups_form->addElement('header', $nameTools);
$create_groups_form->addText('number_of_groups', get_lang('NumberOfGroupsToCreate'), null, ['value'=>'1']);
$create_groups_form->addButton('submit', get_lang('ProceedToCreateGroup'), 'plus', 'primary');
$defaults = [];
$defaults['number_of_groups'] = 1;
$create_groups_form->setDefaults($defaults);
$create_groups_form->display();
/*
* Show form to generate subgroups
*/
if (api_get_setting('allow_group_categories') === 'true' && count(GroupManager :: get_group_list()) > 0) {
$base_group_options = [];
$groups = GroupManager :: get_group_list();
foreach ($groups as $index => $group) {
$number_of_students = GroupManager :: number_of_students($group['id']);
if ($number_of_students > 0) {
$base_group_options[$group['id']] = $group['name'].' ('.$number_of_students.' '.get_lang('Users').')';
}
}
if (count($base_group_options) > 0) {
$create_subgroups_form = new FormValidator('create_subgroups', 'post', api_get_self().'?'.api_get_cidreq());
$create_subgroups_form->addElement('header', get_lang('CreateSubgroups'));
$create_subgroups_form->addElement('html', get_lang('CreateSubgroupsInfo'));
$create_subgroups_form->addElement('hidden', 'action');
$group_el = [];
$group_el[] = $create_subgroups_form->createElement('static', null, null, get_lang('CreateNumberOfGroups'));
$group_el[] = $create_subgroups_form->createElement('text', 'number_of_groups', null, ['size' => 3]);
$group_el[] = $create_subgroups_form->createElement('static', null, null, get_lang('WithUsersFrom'));
$group_el[] = $create_subgroups_form->createElement('select', 'base_group', null, $base_group_options);
$group_el[] = $create_subgroups_form->createElement('button', 'submit', get_lang('Ok'));
$create_subgroups_form->addGroup($group_el, 'create_groups', null, null, false);
$defaults = [];
$defaults['action'] = 'create_subgroups';
$create_subgroups_form->setDefaults($defaults);
$create_subgroups_form->display();
}
}
/*
* Show form to generate groups from classes subscribed to the course
*/
$options['where'] = [" usergroup.course_id = ? " => api_get_course_int_id()];
$obj = new UserGroup();
$classes = $obj->getUserGroupInCourse($options);
if (count($classes) > 0) {
echo '<b>'.get_lang('GroupsFromClasses').'</b>';
echo '<blockquote>';
echo '<p>'.get_lang('GroupsFromClassesInfo').'</p>';
echo '<ul>';
foreach ($classes as $index => $class) {
$number_of_users = count($obj->get_users_by_usergroup($class['id']));
echo '<li>';
echo $class['name'];
echo ' ('.$number_of_users.' '.get_lang('Users').')';
echo '</li>';
}
echo '</ul>';
$create_class_groups_form = new FormValidator('create_class_groups_form', 'post', api_get_self().'?'.api_get_cidreq());
$create_class_groups_form->addElement('hidden', 'action');
if (api_get_setting('allow_group_categories') === 'true') {
$group_categories = GroupManager :: get_categories();
$cat_options = [];
foreach ($group_categories as $index => $category) {
$cat_options[$category['id']] = $category['title'];
}
$create_class_groups_form->addElement('select', 'group_category', null, $cat_options);
} else {
$create_class_groups_form->addElement('hidden', 'group_category');
}
$create_class_groups_form->addElement('submit', 'submit', get_lang('Ok'));
$defaults['group_category'] = GroupManager::DEFAULT_GROUP_CATEGORY;
$defaults['action'] = 'create_class_groups';
$create_class_groups_form->setDefaults($defaults);
$create_class_groups_form->display();
echo '</blockquote>';
}
}
Display::display_footer();