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moodle/enrol/renderer.php

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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle 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 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* This is the main renderer for the enrol section.
*
* @package core_enrol
* @copyright 2010 Sam Hemelryk
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
/**
* This is the core renderer
*
* @copyright 2010 Sam Hemelryk
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class core_enrol_renderer extends plugin_renderer_base {
/**
* Renderers the enrol_user_button.
*
* @param enrol_user_button $button
* @return string XHTML
*/
protected function render_enrol_user_button(enrol_user_button $button) {
$attributes = array('type' => 'submit',
'value' => $button->label,
'disabled' => $button->disabled ? 'disabled' : null,
'title' => $button->tooltip,
'class' => 'btn btn-secondary my-1');
if ($button->actions) {
$id = html_writer::random_id('single_button');
$attributes['id'] = $id;
foreach ($button->actions as $action) {
$this->add_action_handler($action, $id);
}
}
$button->initialise_js($this->page);
// first the input element
$output = html_writer::empty_tag('input', $attributes);
// then hidden fields
$params = $button->url->params();
if ($button->method === 'post') {
$params['sesskey'] = sesskey();
}
foreach ($params as $var => $val) {
$output .= html_writer::empty_tag('input', array('type' => 'hidden', 'name' => $var, 'value' => $val));
}
// then div wrapper for xhtml strictness
$output = html_writer::tag('div', $output);
// now the form itself around it
if ($button->method === 'get') {
$url = $button->url->out_omit_querystring(true); // url without params, the anchor part allowed
} else {
$url = $button->url->out_omit_querystring(); // url without params, the anchor part not allowed
}
if ($url === '') {
$url = '#'; // there has to be always some action
}
$attributes = array('method' => $button->method,
'action' => $url,
'id' => $button->formid);
$output = html_writer::tag('form', $output, $attributes);
// and finally one more wrapper with class
return html_writer::tag('div', $output, array('class' => $button->class));
}
/**
* Renders a course enrolment table
*
* @param course_enrolment_table $table
* @return string
*/
protected function render_course_enrolment_other_users_table(course_enrolment_other_users_table $table) {
$table->initialise_javascript();
$content = '';
$searchbutton = $table->get_user_search_button();
if ($searchbutton) {
$content .= $this->output->render($searchbutton);
}
$content .= html_writer::tag('div', get_string('otheruserdesc', 'enrol'), array('class'=>'otherusersdesc'));
$content .= $this->output->render($table->get_paging_bar());
$content .= html_writer::table($table);
$content .= $this->output->render($table->get_paging_bar());
$searchbutton = $table->get_user_search_button();
if ($searchbutton) {
$content .= $this->output->render($searchbutton);
}
return $content;
}
/**
* Generates HTML to display the users roles and any available actions
*
* @param int $userid
* @param array $roles
* @param array $assignableroles
* @param moodle_url $pageurl
* @return string
*/
public function user_roles_and_actions($userid, $roles, $assignableroles, $canassign, $pageurl) {
// Get list of roles.
$rolesoutput = '';
foreach ($roles as $roleid=>$role) {
if ($canassign and (is_siteadmin() or isset($assignableroles[$roleid])) and !$role['unchangeable']) {
$strunassign = get_string('unassignarole', 'role', $role['text']);
$icon = $this->output->pix_icon('t/delete', $strunassign);
$url = new moodle_url($pageurl, array('action'=>'unassign', 'roleid'=>$roleid, 'user'=>$userid));
$rolesoutput .= html_writer::tag('div', $role['text'] . html_writer::link($url, $icon, array('class'=>'unassignrolelink', 'rel'=>$roleid, 'title'=>$strunassign)), array('class'=>'role role_'.$roleid));
} else {
$rolesoutput .= html_writer::tag('div', $role['text'], array('class'=>'role unchangeable', 'rel'=>$roleid));
}
}
$output = '';
if (!empty($assignableroles) && $canassign) {
$roleids = array_keys($roles);
$hasallroles = true;
foreach (array_keys($assignableroles) as $key) {
if (!in_array($key, $roleids)) {
$hasallroles = false;
break;
}
}
if (!$hasallroles) {
$url = new moodle_url($pageurl, array('action' => 'assign', 'user' => $userid));
$roleicon = $this->output->pix_icon('i/assignroles', get_string('assignroles', 'role'));
$link = html_writer::link($url, $roleicon, array('class' => 'assignrolelink'));
$output = html_writer::tag('div', $link, array('class'=>'addrole'));
}
}
$output .= html_writer::tag('div', $rolesoutput, array('class'=>'roles'));
return $output;
}
/**
* Generates the HTML to view the users groups and available group actions
*
* @param int $userid
* @param array $groups
* @param array $allgroups
* @param bool $canmanagegroups
* @param moodle_url $pageurl
* @return string
*/
public function user_groups_and_actions($userid, $groups, $allgroups, $canmanagegroups, $pageurl) {
$groupicon = $this->output->pix_icon('i/group', get_string('addgroup', 'group'));
$groupoutput = '';
foreach($groups as $groupid=>$name) {
if ($canmanagegroups and groups_remove_member_allowed($groupid, $userid)) {
$icon = $this->output->pix_icon('t/delete', get_string('removefromgroup', 'group', $name));
$url = new moodle_url($pageurl, array('action'=>'removemember', 'group'=>$groupid, 'user'=>$userid));
$groupoutput .= html_writer::tag('div', $name . html_writer::link($url, $icon), array('class'=>'group', 'rel'=>$groupid));
} else {
$groupoutput .= html_writer::tag('div', $name, array('class'=>'group', 'rel'=>$groupid));
}
}
$output = '';
if ($canmanagegroups && (count($groups) < count($allgroups))) {
$url = new moodle_url($pageurl, array('action'=>'addmember', 'user'=>$userid));
$output .= html_writer::tag('div', html_writer::link($url, $groupicon), array('class'=>'addgroup'));
}
$output = $output.html_writer::tag('div', $groupoutput, array('class'=>'groups'));
return $output;
}
/**
* Generates the HTML for the given enrolments + available actions
*
* @param int $userid
* @param array $enrolments
* @param moodle_url $pageurl
* @return string
*/
public function user_enrolments_and_actions($enrolments) {
$output = '';
foreach ($enrolments as $ue) {
$enrolmentoutput = $ue['text'].' '.$ue['period'];
if ($ue['dimmed']) {
$enrolmentoutput = html_writer::tag('span', $enrolmentoutput, array('class'=>'dimmed_text'));
} else {
$enrolmentoutput = html_writer::tag('span', $enrolmentoutput);
}
foreach ($ue['actions'] as $action) {
$enrolmentoutput .= $this->render($action);
}
$output .= html_writer::tag('div', $enrolmentoutput, array('class'=>'enrolment'));
}
return $output;
}
/**
* Renders a user enrolment action
* @param user_enrolment_action $icon
* @return string
*/
protected function render_user_enrolment_action(user_enrolment_action $icon) {
return html_writer::link($icon->get_url(), $this->output->render($icon->get_icon()), $icon->get_attributes());
}
}
/**
* Main course enrolment table
*
* This table is used to display the enrolment information for a course.
* It requires that a course enrolment manager be provided during constuct with
* provides all of the information for the table.
* The control then produces the table, the paging, and the associated JS actions
* for the page.
*
* @package core
* @subpackage enrol
* @copyright 2010 Sam Hemelryk
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class course_enrolment_table extends html_table implements renderable {
/**
* The get/post variable that is used to identify the page.
* Default: page
*/
const PAGEVAR = 'page';
/**
* The get/post variable to is used to identify the number of items to display
* per page.
* Default: perpage
*/
const PERPAGEVAR = 'perpage';
/**
* The get/post variable that is used to identify the sort field for the table.
* Default: sort
*/
const SORTVAR = 'sort';
/**
* The get/post variable that is used to identify the sort direction for the table.
* Default: dir
*/
const SORTDIRECTIONVAR = 'dir';
/**
* The default number of items per page.
* Default: 100
*/
const DEFAULTPERPAGE = 100;
/**
* The default sort, options are course_enrolment_table::$sortablefields
* Default: lastname
*/
const DEFAULTSORT = 'lastname';
/**
* The default direction
* Default: ASC
*/
const DEFAULTSORTDIRECTION = 'ASC';
/**
* The current page, starting from 0
* @var int
*/
public $page = 0;
/**
* The total number of pages
* @var int
*/
public $pages = 0;
/**
* The number of items to display per page
* @var int
*/
public $perpage = 0;
/**
* The sort field for this table, should be one of course_enrolment_table::$sortablefields
* @var string
*/
public $sort;
/**
* The sort direction, either ASC or DESC
* @var string
*/
public $sortdirection;
/**
* The course manager this table is displaying for
* @var course_enrolment_manager
*/
protected $manager;
/**
* The paging bar that controls the paging for this table
* @var paging_bar
*/
protected $pagingbar = null;
/**
* The total number of users enrolled in the course
* @var int
*/
protected $totalusers = null;
/**
* The users enrolled in this course
* @var array
*/
protected $users = null;
/**
* The fields for this table
* @var array
*/
protected $fields = array();
/**
* An array of bulk user enrolment operations
* @var array
*/
protected $bulkoperations = array();
/**
* An array of sortable fields
* @static
* @var array
*/
protected static $sortablefields = array('firstname', 'lastname', 'firstnamephonetic', 'lastnamephonetic', 'middlename',
'alternatename', 'username', 'idnumber', 'email', 'phone1', 'phone2',
'institution', 'department', 'lastaccess', 'lastcourseaccess');
/**
* Constructs the table
*
* @param course_enrolment_manager $manager
*/
public function __construct(course_enrolment_manager $manager) {
$this->manager = $manager;
$this->page = optional_param(self::PAGEVAR, 0, PARAM_INT);
$this->perpage = optional_param(self::PERPAGEVAR, self::DEFAULTPERPAGE, PARAM_INT);
$this->sort = optional_param(self::SORTVAR, self::DEFAULTSORT, PARAM_ALPHANUM);
$this->sortdirection = optional_param(self::SORTDIRECTIONVAR, self::DEFAULTSORTDIRECTION, PARAM_ALPHA);
$this->attributes = array('class'=>'userenrolment');
if (!in_array($this->sort, self::$sortablefields)) {
$this->sort = self::DEFAULTSORT;
}
if ($this->page < 0) {
$this->page = 0;
}
if ($this->sortdirection !== 'ASC' && $this->sortdirection !== 'DESC') {
$this->sortdirection = self::DEFAULTSORTDIRECTION;
}
$this->id = html_writer::random_id();
// Collect the bulk operations for the currently filtered plugin if there is one.
$plugin = $manager->get_filtered_enrolment_plugin();
if ($plugin and enrol_is_enabled($plugin->get_name())) {
$this->bulkoperations = $plugin->get_bulk_operations($manager);
}
}
/**
* Returns an array of enrol_user_buttons that are created by the different
* enrolment plugins available.
*
* @return array
*/
public function get_manual_enrol_buttons() {
return $this->manager->get_manual_enrol_buttons();
}
/**
* Gets the sort direction for a given field
*
* @param string $field
* @return string ASC or DESC
*/
public function get_field_sort_direction($field) {
if ($field == $this->sort) {
return ($this->sortdirection == 'ASC')?'DESC':'ASC';
}
return self::DEFAULTSORTDIRECTION;
}
/**
* Sets the fields for this table. These get added to the tables head as well.
*
* You can also use a multi dimensional array for this to have multiple fields
* in a single column
*
* @param array $fields An array of fields to set
* @param string $output
*/
public function set_fields($fields, $output) {
$this->fields = $fields;
$this->head = array();
$this->colclasses = array();
$this->align = array();
$url = $this->manager->get_moodlepage()->url;
if (!empty($this->bulkoperations)) {
// If there are bulk operations add a column for checkboxes.
$this->head[] = '';
$this->colclasses[] = 'field col_bulkops';
}
foreach ($fields as $name => $label) {
$newlabel = '';
if (is_array($label)) {
$bits = array();
foreach ($label as $n => $l) {
if ($l === false) {
continue;
}
if (!in_array($n, self::$sortablefields)) {
$bits[] = $l;
} else {
$sorturl = new moodle_url($url, array(self::SORTVAR => $n, self::SORTDIRECTIONVAR => $this->get_field_sort_direction($n)));
$link = html_writer::link($sorturl, $fields[$name][$n]);
if ($this->sort == $n) {
$link .= $this->get_direction_icon($output, $n);
}
$bits[] = html_writer::tag('span', $link, array('class'=>'subheading_'.$n));
}
}
$newlabel = join(' / ', $bits);
} else {
if (!in_array($name, self::$sortablefields)) {
$newlabel = $label;
} else {
$sorturl = new moodle_url($url, array(self::SORTVAR => $name, self::SORTDIRECTIONVAR => $this->get_field_sort_direction($name)));
$newlabel = html_writer::link($sorturl, $fields[$name]);
if ($this->sort == $name) {
$newlabel .= $this->get_direction_icon($output, $name);
}
}
}
$this->head[] = $newlabel;
$this->colclasses[] = 'field col_'.$name;
}
}
/**
* Sets the total number of users
*
* @param int $totalusers
*/
public function set_total_users($totalusers) {
$this->totalusers = $totalusers;
$this->pages = ceil($this->totalusers / $this->perpage);
if ($this->page > $this->pages) {
$this->page = $this->pages;
}
}
/**
* Sets the users for this table
*
* @param array $users
* @return void
*/
public function set_users(array $users) {
$this->users = $users;
$hasbulkops = !empty($this->bulkoperations);
foreach ($users as $userid=>$user) {
$user = (array)$user;
$row = new html_table_row();
$row->attributes = array('class' => 'userinforow');
$row->id = 'user_'.$userid;
$row->cells = array();
if ($hasbulkops) {
// Add a checkbox into the first column.
$input = html_writer::empty_tag('input', array('type' => 'checkbox', 'name' => 'bulkuser[]', 'value' => $userid));
$row->cells[] = new html_table_cell($input);
}
foreach ($this->fields as $field => $label) {
if (is_array($label)) {
$bits = array();
foreach (array_keys($label) as $subfield) {
if (array_key_exists($subfield, $user)) {
$bits[] = html_writer::tag('div', $user[$subfield], array('class'=>'subfield subfield_'.$subfield));
}
}
if (empty($bits)) {
$bits[] = '&nbsp;';
}
$row->cells[] = new html_table_cell(join(' ', $bits));
} else {
if (!array_key_exists($field, $user)) {
$user[$field] = '&nbsp;';
}
$row->cells[] = new html_table_cell($user[$field]);
}
}
$this->data[] = $row;
}
}
public function initialise_javascript() {
if (has_capability('moodle/role:assign', $this->manager->get_context())) {
$this->manager->get_moodlepage()->requires->strings_for_js(array(
'assignroles',
'confirmunassign',
'confirmunassigntitle',
'confirmunassignyes',
'confirmunassignno'
), 'role');
$modules = array('moodle-enrol-rolemanager', 'moodle-enrol-rolemanager-skin');
$function = 'M.enrol.rolemanager.init';
$arguments = array(
'containerId'=>$this->id,
'userIds'=>array_keys($this->users),
'courseId'=>$this->manager->get_course()->id,
'otherusers'=>isset($this->otherusers));
$this->manager->get_moodlepage()->requires->yui_module($modules, $function, array($arguments));
}
}
/**
* Gets the paging bar instance for this table
*
* @return paging_bar
*/
public function get_paging_bar() {
if ($this->pagingbar == null) {
$this->pagingbar = new paging_bar($this->totalusers, $this->page, $this->perpage, $this->manager->get_moodlepage()->url, self::PAGEVAR);
}
return $this->pagingbar;
}
/**
* Gets the direction icon for the sortable field within this table
*
* @param core_renderer $output
* @param string $field
* @return string
*/
protected function get_direction_icon($output, $field) {
$direction = self::DEFAULTSORTDIRECTION;
if ($this->sort == $field) {
$direction = $this->sortdirection;
}
if ($direction === 'ASC') {
return $output->pix_icon('t/sort_asc', get_string('sort'));
} else {
return $output->pix_icon('t/sort_desc', get_string('sort'));
}
}
/**
* Gets the params that will need to be added to the url in order to return to this page.
*
* @return array
*/
public function get_url_params() {
return array(
self::PAGEVAR => $this->page,
self::PERPAGEVAR => $this->perpage,
self::SORTVAR => $this->sort,
self::SORTDIRECTIONVAR => $this->sortdirection
);
}
/**
* Returns an array of URL params for both the table and the manager.
*
* @return array
*/
public function get_combined_url_params() {
return $this->get_url_params() + $this->manager->get_url_params();
}
/**
* Sets the bulk operations for this table.
*
* @param array $bulkoperations
*/
public function set_bulk_user_enrolment_operations(array $bulkoperations) {
$this->bulkoperations = $bulkoperations;
}
/**
* Returns an array of bulk operations.
*
* @return array
*/
public function get_bulk_user_enrolment_operations() {
return $this->bulkoperations;
}
/**
* Returns true fi the table is aware of any bulk operations that can be performed on users
* selected from the currently filtered enrolment plugins.
*
* @return bool
*/
public function has_bulk_user_enrolment_operations() {
return !empty($this->bulkoperations);
}
}
/**
* Table control used for enrolled users
*
* @copyright 2010 Sam Hemelryk
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class course_enrolment_users_table extends course_enrolment_table {
}
/**
* Table used for other users
*
* Other users are users who have roles but are not enrolled.
*
* @copyright 2010 Sam Hemelryk
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class course_enrolment_other_users_table extends course_enrolment_table {
public $otherusers = true;
/**
* Constructs the table
*
* @param course_enrolment_manager $manager
*/
public function __construct(course_enrolment_manager $manager) {
parent::__construct($manager);
$this->attributes = array('class'=>'userenrolment otheruserenrolment');
}
/**
* Gets a button to search users and assign them roles in the course.
*
* @staticvar int $count
* @param int $page
* @return single_button
*/
public function get_user_search_button() {
static $count = 0;
if (!has_capability('moodle/role:assign', $this->manager->get_context())) {
return false;
}
$count++;
$url = new moodle_url('/admin/roles/assign.php', array('contextid'=>$this->manager->get_context()->id, 'sesskey'=>sesskey()));
$control = new single_button($url, get_string('assignroles', 'role'), 'get');
$control->class = 'singlebutton assignuserrole instance'.$count;
if ($count == 1) {
$this->manager->get_moodlepage()->requires->strings_for_js(array(
'ajaxoneuserfound',
'ajaxxusersfound',
'ajaxxmoreusersfound',
'ajaxnext25',
'enrol',
'enrolmentoptions',
'enrolusers',
'enrolxusers',
'errajaxfailedenrol',
'errajaxsearch',
'foundxcohorts',
'none',
'usersearch',
'unlimitedduration',
'startdatetoday',
'durationdays',
'enrolperiod'), 'enrol');
$this->manager->get_moodlepage()->requires->string_for_js('assignrole', 'role');
$modules = array('moodle-enrol-otherusersmanager', 'moodle-enrol-otherusersmanager-skin');
$function = 'M.enrol.otherusersmanager.init';
$arguments = array(
'courseId'=> $this->manager->get_course()->id,
'ajaxUrl' => '/enrol/ajax.php',
'url' => $this->manager->get_moodlepage()->url->out(false));
$this->manager->get_moodlepage()->requires->yui_module($modules, $function, array($arguments));
}
return $control;
}
}