group_creation.php 12 KB

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  1. <?php
  2. /* For licensing terms, see /license.txt */
  3. /**
  4. * @package chamilo.group
  5. */
  6. require_once '../inc/global.inc.php';
  7. $this_section = SECTION_COURSES;
  8. $current_course_tool = TOOL_GROUP;
  9. // Notice for unauthorized people.
  10. api_protect_course_script(true);
  11. /* Create the groups */
  12. if (isset($_POST['action'])) {
  13. switch ($_POST['action']) {
  14. case 'create_groups':
  15. $groups = array();
  16. for ($i = 0; $i < $_POST['number_of_groups']; $i ++) {
  17. $group1['name'] = empty($_POST['group_'.$i.'_name']) ? get_lang('Group').' '.$i : $_POST['group_'.$i.'_name'];
  18. $group1['category'] = isset($_POST['group_'.$i.'_category']) ? $_POST['group_'.$i.'_category'] : null;
  19. $group1['tutor'] = isset($_POST['group_'.$i.'_tutor']) ? $_POST['group_'.$i.'_tutor'] : null;
  20. $group1['places'] = isset($_POST['group_'.$i.'_places']) ? $_POST['group_'.$i.'_places'] : null;
  21. $groups[] = $group1;
  22. }
  23. foreach ($groups as $index => $group) {
  24. if (!empty($_POST['same_tutor'])) {
  25. $group['tutor'] = $_POST['group_0_tutor'];
  26. }
  27. if (!empty($_POST['same_places'])) {
  28. $group['places'] = $_POST['group_0_places'];
  29. }
  30. if (api_get_setting('allow_group_categories') == 'false') {
  31. $group['category'] = GroupManager::DEFAULT_GROUP_CATEGORY;
  32. } elseif (isset($_POST['same_category']) && $_POST['same_category']) {
  33. $group['category'] = $_POST['group_0_category'];
  34. }
  35. GroupManager::create_group(
  36. $group['name'],
  37. $group['category'],
  38. $group['tutor'],
  39. $group['places']
  40. );
  41. }
  42. $msg = urlencode(count($groups).' '.get_lang('GroupsAdded'));
  43. header('Location: group.php?action=show_msg&msg='.$msg);
  44. exit;
  45. break;
  46. case 'create_virtual_groups':
  47. $ids = GroupManager::create_groups_from_virtual_courses();
  48. $msg = urlencode(count($ids).' '.get_lang('GroupsAdded'));
  49. header('Location: group.php?action=show_msg&msg='.$msg);
  50. exit;
  51. break;
  52. case 'create_subgroups':
  53. GroupManager::create_subgroups($_POST['base_group'], $_POST['number_of_groups']);
  54. $msg = urlencode($_POST['number_of_groups'].' '.get_lang('GroupsAdded'));
  55. header('Location: group.php?action=show_msg&msg='.$msg);
  56. exit;
  57. break;
  58. case 'create_class_groups':
  59. $ids = GroupManager::create_class_groups($_POST['group_category']);
  60. $msg = urlencode(count($ids).' '.get_lang('GroupsAdded'));
  61. header('Location: group.php?action=show_msg&msg='.$msg);
  62. exit;
  63. break;
  64. }
  65. }
  66. $nameTools = get_lang('GroupCreation');
  67. $interbreadcrumb[] = array ('url' => 'group.php', 'name' => get_lang('Groups'));
  68. Display :: display_header($nameTools, 'Group');
  69. if (!api_is_allowed_to_edit(false, true)) {
  70. api_not_allowed();
  71. }
  72. /* MAIN TOOL CODE */
  73. /* Show group-settings-form */
  74. elseif (isset($_POST['number_of_groups'])) {
  75. if (!is_numeric($_POST['number_of_groups']) || intval($_POST['number_of_groups']) < 1) {
  76. Display :: display_error_message(get_lang('PleaseEnterValidNumber').'<br /><br /><a href="group_creation.php?'.api_get_cidreq().'">&laquo; '.get_lang('Back').'</a>', false);
  77. } else {
  78. $number_of_groups = intval($_POST['number_of_groups']);
  79. if ($number_of_groups > 1) {
  80. ?>
  81. <script>
  82. var number_of_groups = <?php echo $number_of_groups; ?>;
  83. function switch_state(key) {
  84. for( i=1; i<number_of_groups; i++) {
  85. element = document.getElementById(key+'_'+i);
  86. element.disabled = !element.disabled;
  87. disabled = element.disabled;
  88. }
  89. ref = document.getElementById(key+'_0');
  90. if( disabled ) {
  91. ref.addEventListener("change", copy, false);
  92. } else {
  93. ref.removeEventListener("change", copy, false);
  94. }
  95. copy_value(key);
  96. }
  97. function copy(e) {
  98. key = e.currentTarget.id;
  99. var re = new RegExp ('_0', '') ;
  100. var key = key.replace(re, '') ;
  101. copy_value(key);
  102. }
  103. function copy_value(key) {
  104. ref = document.getElementById(key+'_0');
  105. for( i=1; i<number_of_groups; i++) {
  106. element = document.getElementById(key+'_'+i);
  107. element.value = ref.value;
  108. }
  109. }
  110. </script>
  111. <?php
  112. }
  113. $group_categories = GroupManager::get_categories();
  114. $group_id = GroupManager :: get_number_of_groups() + 1;
  115. foreach ($group_categories as $index => $category) {
  116. // Don't allow new groups in the virtual course category!
  117. if ($category['id'] != GroupManager::VIRTUAL_COURSE_CATEGORY) {
  118. $cat_options[$category['id']] = $category['title'];
  119. }
  120. }
  121. $form = new FormValidator('create_groups_step2', 'POST', api_get_self().'?'.api_get_cidreq());
  122. // Modify the default templates
  123. $renderer = $form->defaultRenderer();
  124. $form_template = "<form {attributes}>\n<div>\n<table>\n{content}\n</table>\n</div>\n</form>";
  125. $renderer->setFormTemplate($form_template);
  126. $element_template = <<<EOT
  127. <tr>
  128. <td>
  129. <!-- BEGIN required -->
  130. <span class="form_required">*</span> <!-- END required -->{label}
  131. </td>
  132. <td>
  133. <!-- BEGIN error -->
  134. <span class="form_error">{error}</span><br /><!-- END error --> {element}
  135. </td>
  136. </tr>
  137. EOT;
  138. $renderer->setCustomElementTemplate($element_template);
  139. $form->addElement('header', $nameTools);
  140. $form->addElement('hidden', 'action');
  141. $form->addElement('hidden', 'number_of_groups');
  142. $defaults = array ();
  143. // Table heading
  144. $group_el = array ();
  145. $group_el[] = $form->createElement('static', null, null, '<b>'.get_lang('GroupName').'</b>');
  146. if (api_get_setting('allow_group_categories') == 'true') {
  147. $group_el[] = $form->createElement('static', null, null, '<b>'.get_lang('GroupCategory').'</b>');
  148. }
  149. $group_el[] = $form->createElement('static', null, null, '<b>'.get_lang('GroupPlacesThis').'</b>');
  150. $form->addGroup($group_el, 'groups', null, "\n</td>\n<td>\n", false);
  151. // Checkboxes
  152. if ($_POST['number_of_groups'] > 1) {
  153. $group_el = array ();
  154. $group_el[] = $form->createElement('static', null, null, ' ');
  155. if (api_get_setting('allow_group_categories') == 'true') {
  156. $group_el[] = $form->createElement('checkbox', 'same_category', null, get_lang('SameForAll'), array('onclick' => "javascript: switch_state('category');"));
  157. }
  158. $group_el[] = $form->createElement('checkbox', 'same_places', null, get_lang('SameForAll'), array ('onclick' => "javascript: switch_state('places');"));
  159. $form->addGroup($group_el, 'groups', null, '</td><td>', false);
  160. }
  161. // Properties for all groups
  162. for ($group_number = 0; $group_number < $_POST['number_of_groups']; $group_number ++) {
  163. $group_el = array ();
  164. $group_el[] = $form->createElement('text', 'group_'.$group_number.'_name');
  165. if (api_get_setting('allow_group_categories') == 'true') {
  166. $group_el[] = $form->createElement('select', 'group_'.$group_number.'_category', null, $cat_options, array('id' => 'category_'.$group_number));
  167. }
  168. $group_el[] = $form->createElement('text', 'group_'.$group_number.'_places', null, array('class' => 'span1', 'id' => 'places_'.$group_number));
  169. if ($_POST['number_of_groups'] < 10000) {
  170. if ($group_id < 10) {
  171. $prev = '000';
  172. } elseif ($group_id < 100) {
  173. $prev = '00';
  174. } elseif ($group_id<1000) {
  175. $prev = '0';
  176. } else {
  177. $prev = '';
  178. }
  179. }
  180. $defaults['group_'.$group_number.'_name'] = get_lang('GroupSingle').' '.$prev.$group_id ++;
  181. $form->addGroup($group_el, 'group_'.$group_number, null, '</td><td>', false);
  182. }
  183. $defaults['action'] = 'create_groups';
  184. $defaults['number_of_groups'] = intval($_POST['number_of_groups']);
  185. $form->setDefaults($defaults);
  186. $form->addElement('style_submit_button', 'submit', get_lang('CreateGroup'), 'class="save"');
  187. $form->display();
  188. }
  189. } else {
  190. /*
  191. * Show form to generate new groups
  192. */
  193. $categories = GroupManager :: get_categories();
  194. if (count($categories) > 1 || isset ($categories[0]) && $categories[0]['id'] != GroupManager::VIRTUAL_COURSE_CATEGORY) {
  195. $create_groups_form = new FormValidator('create_groups', 'post', api_get_self().'?'.api_get_cidreq());
  196. $create_groups_form->addElement('header', $nameTools);
  197. $group_el = array ();
  198. $group_el[] = $create_groups_form->createElement('text', 'number_of_groups', array(get_lang('Create'), '1'));
  199. $group_el[] = $create_groups_form->createElement('style_submit_button', 'submit', get_lang('ProceedToCreateGroup'), 'class="save"');
  200. $create_groups_form->addGroup($group_el, 'create_groups', get_lang('NumberOfGroupsToCreate'), ' ', false);
  201. $defaults = array();
  202. $defaults['number_of_groups'] = 1;
  203. $create_groups_form->setDefaults($defaults);
  204. $create_groups_form->display();
  205. } else {
  206. echo get_lang('NoCategoriesDefined');
  207. }
  208. /*
  209. * Show form to generate subgroups
  210. */
  211. if (api_get_setting('allow_group_categories') == 'true' && count(GroupManager :: get_group_list()) > 0) {
  212. $base_group_options = array ();
  213. $groups = GroupManager :: get_group_list();
  214. foreach ($groups as $index => $group) {
  215. $number_of_students = GroupManager :: number_of_students($group['id']);
  216. if ($number_of_students > 0) {
  217. $base_group_options[$group['id']] = $group['name'].' ('.$number_of_students.' '.get_lang('Users').')';
  218. }
  219. }
  220. if (count($base_group_options) > 0) {
  221. $create_subgroups_form = new FormValidator('create_subgroups');
  222. $create_subgroups_form->addElement('header', get_lang('CreateSubgroups'));
  223. $create_subgroups_form->addElement('html', get_lang('CreateSubgroupsInfo'));
  224. $create_subgroups_form->addElement('hidden', 'action');
  225. $group_el = array();
  226. $group_el[] = $create_subgroups_form->createElement('static', null, null, get_lang('CreateNumberOfGroups'));
  227. $group_el[] = $create_subgroups_form->createElement('text', 'number_of_groups', null, array('size' => 3));
  228. $group_el[] = $create_subgroups_form->createElement('static', null, null, get_lang('WithUsersFrom'));
  229. $group_el[] = $create_subgroups_form->createElement('select', 'base_group', null, $base_group_options);
  230. $group_el[] = $create_subgroups_form->createElement('button', 'submit', get_lang('Ok'));
  231. $create_subgroups_form->addGroup($group_el, 'create_groups', null, ' ', false);
  232. $defaults = array();
  233. $defaults['action'] = 'create_subgroups';
  234. $create_subgroups_form->setDefaults($defaults);
  235. $create_subgroups_form->display();
  236. }
  237. }
  238. /*
  239. * Show form to generate groups from classes subscribed to the course
  240. */
  241. $options['where'] = array(" usergroup.course_id = ? " => api_get_real_course_id());
  242. $obj = new UserGroup();
  243. $classes = $obj->get_usergroup_in_course($options);
  244. if (count($classes) > 0) {
  245. echo '<b>'.get_lang('GroupsFromClasses').'</b>';
  246. echo '<blockquote>';
  247. echo '<p>'.get_lang('GroupsFromClassesInfo').'</p>';
  248. echo '<ul>';
  249. foreach ($classes as $index => $class) {
  250. $number_of_users = count($obj->get_users_by_usergroup($class['id']));
  251. echo '<li>';
  252. echo $class['name'];
  253. echo ' ('.$number_of_users.' '.get_lang('Users').')';
  254. echo '</li>';
  255. }
  256. echo '</ul>';
  257. $create_class_groups_form = new FormValidator('create_class_groups_form');
  258. $create_class_groups_form->addElement('hidden', 'action');
  259. if (api_get_setting('allow_group_categories') == 'true') {
  260. $group_categories = GroupManager :: get_categories();
  261. $cat_options = array ();
  262. foreach ($group_categories as $index => $category) {
  263. // Don't allow new groups in the virtual course category!
  264. if ($category['id'] != GroupManager::VIRTUAL_COURSE_CATEGORY) {
  265. $cat_options[$category['id']] = $category['title'];
  266. }
  267. }
  268. $create_class_groups_form->addElement('select', 'group_category', null, $cat_options);
  269. } else {
  270. $create_class_groups_form->addElement('hidden', 'group_category');
  271. }
  272. $create_class_groups_form->addElement('submit', 'submit', get_lang('Ok'));
  273. $defaults['group_category'] = GroupManager::DEFAULT_GROUP_CATEGORY;
  274. $defaults['action'] = 'create_class_groups';
  275. $create_class_groups_form->setDefaults($defaults);
  276. $create_class_groups_form->display();
  277. echo '</blockquote>';
  278. }
  279. }
  280. Display :: display_footer();