Moodle release 2.8
[moodle.git] / enrol / renderer.php
blob22401992c06915ec4c1cdabef49a6b4a72aa31ed
1 <?php
2 // This file is part of Moodle - http://moodle.org/
3 //
4 // Moodle is free software: you can redistribute it and/or modify
5 // it under the terms of the GNU General Public License as published by
6 // the Free Software Foundation, either version 3 of the License, or
7 // (at your option) any later version.
8 //
9 // Moodle is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License
15 // along with Moodle. If not, see <http://www.gnu.org/licenses/>.
17 /**
18 * This is the main renderer for the enrol section.
20 * @package core_enrol
21 * @copyright 2010 Sam Hemelryk
22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
25 /**
26 * This is the core renderer
28 * @copyright 2010 Sam Hemelryk
29 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
31 class core_enrol_renderer extends plugin_renderer_base {
33 /**
34 * Renders a course enrolment table
36 * @param course_enrolment_table $table
37 * @param moodleform $mform Form that contains filter controls
38 * @return string
40 public function render_course_enrolment_users_table(course_enrolment_users_table $table,
41 moodleform $mform) {
43 $table->initialise_javascript();
45 $buttons = $table->get_manual_enrol_buttons();
46 $buttonhtml = '';
47 if (count($buttons) > 0) {
48 $buttonhtml .= html_writer::start_tag('div', array('class' => 'enrol_user_buttons'));
49 foreach ($buttons as $button) {
50 $buttonhtml .= $this->render($button);
52 $buttonhtml .= html_writer::end_tag('div');
55 $content = '';
56 if (!empty($buttonhtml)) {
57 $content .= $buttonhtml;
59 $content .= $mform->render();
61 $content .= $this->output->render($table->get_paging_bar());
63 // Check if the table has any bulk operations. If it does we want to wrap the table in a
64 // form so that we can capture and perform any required bulk operations.
65 if ($table->has_bulk_user_enrolment_operations()) {
66 $content .= html_writer::start_tag('form', array('action' => new moodle_url('/enrol/bulkchange.php'), 'method' => 'post'));
67 foreach ($table->get_combined_url_params() as $key => $value) {
68 if ($key == 'action') {
69 continue;
71 $content .= html_writer::empty_tag('input', array('type' => 'hidden', 'name' => $key, 'value' => $value));
73 $content .= html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'action', 'value' => 'bulkchange'));
74 $content .= html_writer::table($table);
75 $content .= html_writer::start_tag('div', array('class' => 'singleselect bulkuserop'));
76 $content .= html_writer::start_tag('select', array('name' => 'bulkuserop'));
77 $content .= html_writer::tag('option', get_string('withselectedusers', 'enrol'), array('value' => ''));
78 $options = array('' => get_string('withselectedusers', 'enrol'));
79 foreach ($table->get_bulk_user_enrolment_operations() as $operation) {
80 $content .= html_writer::tag('option', $operation->get_title(), array('value' => $operation->get_identifier()));
82 $content .= html_writer::end_tag('select');
83 $content .= html_writer::empty_tag('input', array('type' => 'submit', 'value' => get_string('go')));
84 $content .= html_writer::end_tag('div');
86 $content .= html_writer::end_tag('form');
87 } else {
88 $content .= html_writer::table($table);
90 $content .= $this->output->render($table->get_paging_bar());
91 if (!empty($buttonhtml)) {
92 $content .= $buttonhtml;
94 return $content;
97 /**
98 * Renderers the enrol_user_button.
100 * @param enrol_user_button $button
101 * @return string XHTML
103 protected function render_enrol_user_button(enrol_user_button $button) {
104 $attributes = array('type' => 'submit',
105 'value' => $button->label,
106 'disabled' => $button->disabled ? 'disabled' : null,
107 'title' => $button->tooltip);
109 if ($button->actions) {
110 $id = html_writer::random_id('single_button');
111 $attributes['id'] = $id;
112 foreach ($button->actions as $action) {
113 $this->add_action_handler($action, $id);
116 $button->initialise_js($this->page);
118 // first the input element
119 $output = html_writer::empty_tag('input', $attributes);
121 // then hidden fields
122 $params = $button->url->params();
123 if ($button->method === 'post') {
124 $params['sesskey'] = sesskey();
126 foreach ($params as $var => $val) {
127 $output .= html_writer::empty_tag('input', array('type' => 'hidden', 'name' => $var, 'value' => $val));
130 // then div wrapper for xhtml strictness
131 $output = html_writer::tag('div', $output);
133 // now the form itself around it
134 if ($button->method === 'get') {
135 $url = $button->url->out_omit_querystring(true); // url without params, the anchor part allowed
136 } else {
137 $url = $button->url->out_omit_querystring(); // url without params, the anchor part not allowed
139 if ($url === '') {
140 $url = '#'; // there has to be always some action
142 $attributes = array('method' => $button->method,
143 'action' => $url,
144 'id' => $button->formid);
145 $output = html_writer::tag('form', $output, $attributes);
147 // and finally one more wrapper with class
148 return html_writer::tag('div', $output, array('class' => $button->class));
152 * Renders a course enrolment table
154 * @param course_enrolment_table $table
155 * @return string
157 protected function render_course_enrolment_other_users_table(course_enrolment_other_users_table $table) {
159 $table->initialise_javascript();
161 $content = '';
162 $searchbutton = $table->get_user_search_button();
163 if ($searchbutton) {
164 $content .= $this->output->render($searchbutton);
166 $content .= html_writer::tag('div', get_string('otheruserdesc', 'enrol'), array('class'=>'otherusersdesc'));
167 $content .= $this->output->render($table->get_paging_bar());
168 $content .= html_writer::table($table);
169 $content .= $this->output->render($table->get_paging_bar());
170 $searchbutton = $table->get_user_search_button();
171 if ($searchbutton) {
172 $content .= $this->output->render($searchbutton);
174 return $content;
178 * Generates HTML to display the users roles and any available actions
180 * @param int $userid
181 * @param array $roles
182 * @param array $assignableroles
183 * @param moodle_url $pageurl
184 * @return string
186 public function user_roles_and_actions($userid, $roles, $assignableroles, $canassign, $pageurl) {
187 $iconenrolremove = $this->output->pix_url('t/delete');
191 // Get list of roles.
192 $rolesoutput = '';
193 foreach ($roles as $roleid=>$role) {
194 if ($canassign and (is_siteadmin() or isset($assignableroles[$roleid])) and !$role['unchangeable']) {
195 $strunassign = get_string('unassignarole', 'role', $role['text']);
196 $icon = html_writer::empty_tag('img', array('alt'=>$strunassign, 'src'=>$iconenrolremove));
197 $url = new moodle_url($pageurl, array('action'=>'unassign', 'roleid'=>$roleid, 'user'=>$userid));
198 $rolesoutput .= html_writer::tag('div', $role['text'] . html_writer::link($url, $icon, array('class'=>'unassignrolelink', 'rel'=>$roleid, 'title'=>$strunassign)), array('class'=>'role role_'.$roleid));
199 } else {
200 $rolesoutput .= html_writer::tag('div', $role['text'], array('class'=>'role unchangeable', 'rel'=>$roleid));
203 $output = '';
204 if (!empty($assignableroles) && $canassign) {
205 $roleids = array_keys($roles);
206 $hasallroles = true;
207 foreach (array_keys($assignableroles) as $key) {
208 if (!in_array($key, $roleids)) {
209 $hasallroles = false;
210 break;
213 if (!$hasallroles) {
214 $url = new moodle_url($pageurl, array('action' => 'assign', 'user' => $userid));
215 $roleicon = $this->output->pix_icon('i/assignroles', get_string('assignroles', 'role'));
216 $link = html_writer::link($url, $roleicon, array('class' => 'assignrolelink'));
217 $output = html_writer::tag('div', $link, array('class'=>'addrole'));
220 $output .= html_writer::tag('div', $rolesoutput, array('class'=>'roles'));
221 return $output;
225 * Generates the HTML to view the users groups and available group actions
227 * @param int $userid
228 * @param array $groups
229 * @param array $allgroups
230 * @param bool $canmanagegroups
231 * @param moodle_url $pageurl
232 * @return string
234 public function user_groups_and_actions($userid, $groups, $allgroups, $canmanagegroups, $pageurl) {
235 $iconenrolremove = $this->output->pix_url('t/delete');
237 $groupicon = $this->output->pix_icon('i/group', get_string('addgroup', 'group'));
239 $groupoutput = '';
240 foreach($groups as $groupid=>$name) {
241 if ($canmanagegroups and groups_remove_member_allowed($groupid, $userid)) {
242 $icon = html_writer::empty_tag('img', array('alt'=>get_string('removefromgroup', 'group', $name), 'src'=>$iconenrolremove));
243 $url = new moodle_url($pageurl, array('action'=>'removemember', 'group'=>$groupid, 'user'=>$userid));
244 $groupoutput .= html_writer::tag('div', $name . html_writer::link($url, $icon), array('class'=>'group', 'rel'=>$groupid));
245 } else {
246 $groupoutput .= html_writer::tag('div', $name, array('class'=>'group', 'rel'=>$groupid));
249 $output = '';
250 if ($canmanagegroups && (count($groups) < count($allgroups))) {
251 $url = new moodle_url($pageurl, array('action'=>'addmember', 'user'=>$userid));
252 $output .= html_writer::tag('div', html_writer::link($url, $groupicon), array('class'=>'addgroup'));
254 $output = $output.html_writer::tag('div', $groupoutput, array('class'=>'groups'));
255 return $output;
259 * Generates the HTML for the given enrolments + available actions
261 * @param int $userid
262 * @param array $enrolments
263 * @param moodle_url $pageurl
264 * @return string
266 public function user_enrolments_and_actions($enrolments) {
267 $output = '';
268 foreach ($enrolments as $ue) {
269 $enrolmentoutput = $ue['text'].' '.$ue['period'];
270 if ($ue['dimmed']) {
271 $enrolmentoutput = html_writer::tag('span', $enrolmentoutput, array('class'=>'dimmed_text'));
272 } else {
273 $enrolmentoutput = html_writer::tag('span', $enrolmentoutput);
275 foreach ($ue['actions'] as $action) {
276 $enrolmentoutput .= $this->render($action);
278 $output .= html_writer::tag('div', $enrolmentoutput, array('class'=>'enrolment'));
280 return $output;
284 * Renders a user enrolment action
285 * @param user_enrolment_action $icon
286 * @return string
288 protected function render_user_enrolment_action(user_enrolment_action $icon) {
289 return html_writer::link($icon->get_url(), $this->output->render($icon->get_icon()), $icon->get_attributes());
294 * Main course enrolment table
296 * This table is used to display the enrolment information for a course.
297 * It requires that a course enrolment manager be provided during constuct with
298 * provides all of the information for the table.
299 * The control then produces the table, the paging, and the associated JS actions
300 * for the page.
302 * @package core
303 * @subpackage enrol
304 * @copyright 2010 Sam Hemelryk
305 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
307 class course_enrolment_table extends html_table implements renderable {
310 * The get/post variable that is used to identify the page.
311 * Default: page
313 const PAGEVAR = 'page';
316 * The get/post variable to is used to identify the number of items to display
317 * per page.
318 * Default: perpage
320 const PERPAGEVAR = 'perpage';
323 * The get/post variable that is used to identify the sort field for the table.
324 * Default: sort
326 const SORTVAR = 'sort';
329 * The get/post variable that is used to identify the sort direction for the table.
330 * Default: dir
332 const SORTDIRECTIONVAR = 'dir';
335 * The default number of items per page.
336 * Default: 100
338 const DEFAULTPERPAGE = 100;
341 * The default sort, options are course_enrolment_table::$sortablefields
342 * Default: lastname
344 const DEFAULTSORT = 'lastname';
347 * The default direction
348 * Default: ASC
350 const DEFAULTSORTDIRECTION = 'ASC';
353 * The current page, starting from 0
354 * @var int
356 public $page = 0;
359 * The total number of pages
360 * @var int
362 public $pages = 0;
365 * The number of items to display per page
366 * @var int
368 public $perpage = 0;
371 * The sort field for this table, should be one of course_enrolment_table::$sortablefields
372 * @var string
374 public $sort;
377 * The sort direction, either ASC or DESC
378 * @var string
380 public $sortdirection;
383 * The course manager this table is displaying for
384 * @var course_enrolment_manager
386 protected $manager;
389 * The paging bar that controls the paging for this table
390 * @var paging_bar
392 protected $pagingbar = null;
395 * The total number of users enrolled in the course
396 * @var int
398 protected $totalusers = null;
401 * The users enrolled in this course
402 * @var array
404 protected $users = null;
407 * The fields for this table
408 * @var array
410 protected $fields = array();
413 * An array of bulk user enrolment operations
414 * @var array
416 protected $bulkoperations = array();
419 * An array of sortable fields
420 * @static
421 * @var array
423 protected static $sortablefields = array('firstname', 'lastname', 'firstnamephonetic', 'lastnamephonetic', 'middlename',
424 'alternatename', 'idnumber', 'email', 'phone1', 'phone2', 'institution', 'department' );
427 * Constructs the table
429 * @param course_enrolment_manager $manager
431 public function __construct(course_enrolment_manager $manager) {
433 $this->manager = $manager;
435 $this->page = optional_param(self::PAGEVAR, 0, PARAM_INT);
436 $this->perpage = optional_param(self::PERPAGEVAR, self::DEFAULTPERPAGE, PARAM_INT);
437 $this->sort = optional_param(self::SORTVAR, self::DEFAULTSORT, PARAM_ALPHANUM);
438 $this->sortdirection = optional_param(self::SORTDIRECTIONVAR, self::DEFAULTSORTDIRECTION, PARAM_ALPHA);
440 $this->attributes = array('class'=>'userenrolment');
441 if (!in_array($this->sort, self::$sortablefields)) {
442 $this->sort = self::DEFAULTSORT;
444 if ($this->page < 0) {
445 $this->page = 0;
447 if ($this->sortdirection !== 'ASC' && $this->sortdirection !== 'DESC') {
448 $this->sortdirection = self::DEFAULTSORTDIRECTION;
451 $this->id = html_writer::random_id();
453 // Collect the bulk operations for the currently filtered plugin if there is one.
454 $plugin = $manager->get_filtered_enrolment_plugin();
455 if ($plugin and enrol_is_enabled($plugin->get_name())) {
456 $this->bulkoperations = $plugin->get_bulk_operations($manager);
461 * Returns an array of enrol_user_buttons that are created by the different
462 * enrolment plugins available.
464 * @return array
466 public function get_manual_enrol_buttons() {
467 return $this->manager->get_manual_enrol_buttons();
471 * Gets the sort direction for a given field
473 * @param string $field
474 * @return string ASC or DESC
476 public function get_field_sort_direction($field) {
477 if ($field == $this->sort) {
478 return ($this->sortdirection == 'ASC')?'DESC':'ASC';
480 return self::DEFAULTSORTDIRECTION;
484 * Sets the fields for this table. These get added to the tables head as well.
486 * You can also use a multi dimensional array for this to have multiple fields
487 * in a single column
489 * @param array $fields An array of fields to set
490 * @param string $output
492 public function set_fields($fields, $output) {
493 $this->fields = $fields;
494 $this->head = array();
495 $this->colclasses = array();
496 $this->align = array();
497 $url = $this->manager->get_moodlepage()->url;
499 if (!empty($this->bulkoperations)) {
500 // If there are bulk operations add a column for checkboxes.
501 $this->head[] = '';
502 $this->colclasses[] = 'field col_bulkops';
505 foreach ($fields as $name => $label) {
506 $newlabel = '';
507 if (is_array($label)) {
508 $bits = array();
509 foreach ($label as $n => $l) {
510 if ($l === false) {
511 continue;
513 if (!in_array($n, self::$sortablefields)) {
514 $bits[] = $l;
515 } else {
516 $link = html_writer::link(new moodle_url($url, array(self::SORTVAR=>$n)), $fields[$name][$n]);
517 if ($this->sort == $n) {
518 $link .= html_writer::link(new moodle_url($url, array(self::SORTVAR=>$n, self::SORTDIRECTIONVAR=>$this->get_field_sort_direction($n))), $this->get_direction_icon($output, $n));
520 $bits[] = html_writer::tag('span', $link, array('class'=>'subheading_'.$n));
524 $newlabel = join(' / ', $bits);
525 } else {
526 if (!in_array($name, self::$sortablefields)) {
527 $newlabel = $label;
528 } else {
529 $newlabel = html_writer::link(new moodle_url($url, array(self::SORTVAR=>$name)), $fields[$name]);
530 if ($this->sort == $name) {
531 $newlabel .= html_writer::link(new moodle_url($url, array(self::SORTVAR=>$name, self::SORTDIRECTIONVAR=>$this->get_field_sort_direction($name))), $this->get_direction_icon($output, $name));
535 $this->head[] = $newlabel;
536 $this->colclasses[] = 'field col_'.$name;
540 * Sets the total number of users
542 * @param int $totalusers
544 public function set_total_users($totalusers) {
545 $this->totalusers = $totalusers;
546 $this->pages = ceil($this->totalusers / $this->perpage);
547 if ($this->page > $this->pages) {
548 $this->page = $this->pages;
552 * Sets the users for this table
554 * @param array $users
555 * @return void
557 public function set_users(array $users) {
558 $this->users = $users;
559 $hasbulkops = !empty($this->bulkoperations);
560 foreach ($users as $userid=>$user) {
561 $user = (array)$user;
562 $row = new html_table_row();
563 $row->attributes = array('class' => 'userinforow');
564 $row->id = 'user_'.$userid;
565 $row->cells = array();
566 if ($hasbulkops) {
567 // Add a checkbox into the first column.
568 $input = html_writer::empty_tag('input', array('type' => 'checkbox', 'name' => 'bulkuser[]', 'value' => $userid));
569 $row->cells[] = new html_table_cell($input);
571 foreach ($this->fields as $field => $label) {
572 if (is_array($label)) {
573 $bits = array();
574 foreach (array_keys($label) as $subfield) {
575 if (array_key_exists($subfield, $user)) {
576 $bits[] = html_writer::tag('div', $user[$subfield], array('class'=>'subfield subfield_'.$subfield));
579 if (empty($bits)) {
580 $bits[] = '&nbsp;';
582 $row->cells[] = new html_table_cell(join(' ', $bits));
583 } else {
584 if (!array_key_exists($field, $user)) {
585 $user[$field] = '&nbsp;';
587 $row->cells[] = new html_table_cell($user[$field]);
590 $this->data[] = $row;
594 public function initialise_javascript() {
595 if (has_capability('moodle/role:assign', $this->manager->get_context())) {
596 $this->manager->get_moodlepage()->requires->strings_for_js(array(
597 'assignroles',
598 'confirmunassign',
599 'confirmunassigntitle',
600 'confirmunassignyes',
601 'confirmunassignno'
602 ), 'role');
603 $modules = array('moodle-enrol-rolemanager', 'moodle-enrol-rolemanager-skin');
604 $function = 'M.enrol.rolemanager.init';
605 $arguments = array(
606 'containerId'=>$this->id,
607 'userIds'=>array_keys($this->users),
608 'courseId'=>$this->manager->get_course()->id,
609 'otherusers'=>isset($this->otherusers));
610 $this->manager->get_moodlepage()->requires->yui_module($modules, $function, array($arguments));
615 * Gets the paging bar instance for this table
617 * @return paging_bar
619 public function get_paging_bar() {
620 if ($this->pagingbar == null) {
621 $this->pagingbar = new paging_bar($this->totalusers, $this->page, $this->perpage, $this->manager->get_moodlepage()->url, self::PAGEVAR);
623 return $this->pagingbar;
627 * Gets the direction icon for the sortable field within this table
629 * @param core_renderer $output
630 * @param string $field
631 * @return string
633 protected function get_direction_icon($output, $field) {
634 $direction = self::DEFAULTSORTDIRECTION;
635 if ($this->sort == $field) {
636 $direction = $this->sortdirection;
638 if ($direction === 'ASC') {
639 return html_writer::empty_tag('img', array('alt' => '', 'class' => 'iconsort',
640 'src' => $output->pix_url('t/sort_asc')));
641 } else {
642 return html_writer::empty_tag('img', array('alt' => '', 'class' => 'iconsort',
643 'src' => $output->pix_url('t/sort_desc')));
648 * Gets the params that will need to be added to the url in order to return to this page.
650 * @return array
652 public function get_url_params() {
653 return array(
654 self::PAGEVAR => $this->page,
655 self::PERPAGEVAR => $this->perpage,
656 self::SORTVAR => $this->sort,
657 self::SORTDIRECTIONVAR => $this->sortdirection
662 * Returns an array of URL params for both the table and the manager.
664 * @return array
666 public function get_combined_url_params() {
667 return $this->get_url_params() + $this->manager->get_url_params();
671 * Sets the bulk operations for this table.
673 * @param array $bulkoperations
675 public function set_bulk_user_enrolment_operations(array $bulkoperations) {
676 $this->bulkoperations = $bulkoperations;
680 * Returns an array of bulk operations.
682 * @return array
684 public function get_bulk_user_enrolment_operations() {
685 return $this->bulkoperations;
689 * Returns true fi the table is aware of any bulk operations that can be performed on users
690 * selected from the currently filtered enrolment plugins.
692 * @return bool
694 public function has_bulk_user_enrolment_operations() {
695 return !empty($this->bulkoperations);
700 * Table control used for enrolled users
702 * @copyright 2010 Sam Hemelryk
703 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
705 class course_enrolment_users_table extends course_enrolment_table {
708 * An array of sortable fields
709 * @static
710 * @var array
712 protected static $sortablefields = array('firstname', 'lastname', 'firstnamephonetic', 'lastnamephonetic', 'middlename',
713 'alternatename', 'email', 'lastaccess');
717 * Table used for other users
719 * Other users are users who have roles but are not enrolled.
721 * @copyright 2010 Sam Hemelryk
722 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
724 class course_enrolment_other_users_table extends course_enrolment_table {
726 public $otherusers = true;
729 * Constructs the table
731 * @param course_enrolment_manager $manager
733 public function __construct(course_enrolment_manager $manager) {
734 parent::__construct($manager);
735 $this->attributes = array('class'=>'userenrolment otheruserenrolment');
739 * Gets a button to search users and assign them roles in the course.
741 * @staticvar int $count
742 * @param int $page
743 * @return single_button
745 public function get_user_search_button() {
746 static $count = 0;
747 if (!has_capability('moodle/role:assign', $this->manager->get_context())) {
748 return false;
750 $count++;
751 $url = new moodle_url('/admin/roles/assign.php', array('contextid'=>$this->manager->get_context()->id, 'sesskey'=>sesskey()));
752 $control = new single_button($url, get_string('assignroles', 'role'), 'get');
753 $control->class = 'singlebutton assignuserrole instance'.$count;
754 if ($count == 1) {
755 $this->manager->get_moodlepage()->requires->strings_for_js(array(
756 'ajaxoneuserfound',
757 'ajaxxusersfound',
758 'ajaxnext25',
759 'enrol',
760 'enrolmentoptions',
761 'enrolusers',
762 'errajaxfailedenrol',
763 'errajaxsearch',
764 'none',
765 'usersearch',
766 'unlimitedduration',
767 'startdatetoday',
768 'durationdays',
769 'enrolperiod'), 'enrol');
770 $this->manager->get_moodlepage()->requires->string_for_js('assignrole', 'role');
772 $modules = array('moodle-enrol-otherusersmanager', 'moodle-enrol-otherusersmanager-skin');
773 $function = 'M.enrol.otherusersmanager.init';
774 $arguments = array(
775 'courseId'=> $this->manager->get_course()->id,
776 'ajaxUrl' => '/enrol/ajax.php',
777 'url' => $this->manager->get_moodlepage()->url->out(false));
778 $this->manager->get_moodlepage()->requires->yui_module($modules, $function, array($arguments));
780 return $control;