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moodle/user/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/>.
/**
* Provides user rendering functionality such as printing private files tree and displaying a search utility
*
* @package core_user
* @copyright 2010 Dongsheng Cai <dongsheng@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
/**
* Provides user rendering functionality such as printing private files tree and displaying a search utility
* @copyright 2010 Dongsheng Cai <dongsheng@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class core_user_renderer extends plugin_renderer_base {
/**
* Prints user search utility that can search user by first initial of firstname and/or first initial of lastname
* Prints a header with a title and the number of users found within that subset
* @param string $url the url to return to, complete with any parameters needed for the return
* @param string $firstinitial the first initial of the firstname
* @param string $lastinitial the first initial of the lastname
* @param int $usercount the amount of users meeting the search criteria
* @param int $totalcount the amount of users of the set/subset being searched
* @param string $heading heading of the subset being searched, default is All Participants
* @return string html output
*/
public function user_search($url, $firstinitial, $lastinitial, $usercount, $totalcount, $heading = null) {
if ($firstinitial !== 'all') {
set_user_preference('ifirst', $firstinitial);
}
if ($lastinitial !== 'all') {
set_user_preference('ilast', $lastinitial);
}
if (!isset($heading)) {
$heading = get_string('allparticipants');
}
$content = html_writer::start_tag('form', array('action' => new moodle_url($url)));
$content .= html_writer::start_tag('div');
// Search utility heading.
$content .= $this->output->heading($heading.get_string('labelsep', 'langconfig').$usercount.'/'.$totalcount, 3);
// Initials bar.
$prefixfirst = 'sifirst';
$prefixlast = 'silast';
$content .= $this->output->initials_bar($firstinitial, 'firstinitial', get_string('firstname'), $prefixfirst, $url);
$content .= $this->output->initials_bar($lastinitial, 'lastinitial', get_string('lastname'), $prefixlast, $url);
$content .= html_writer::end_tag('div');
$content .= html_writer::tag('div', '&nbsp;');
$content .= html_writer::end_tag('form');
return $content;
}
/**
* Construct a partial user search that'll require form handling implemented by the caller.
* This allows the developer to have an initials bar setup that does not automatically redirect.
*
* @param string $url the url to return to, complete with any parameters needed for the return
* @param string $firstinitial the first initial of the firstname
* @param string $lastinitial the first initial of the lastname
* @param bool $minirender Return a trimmed down view of the initials bar.
* @return string html output
* @throws coding_exception
*/
public function partial_user_search(String $url, String $firstinitial, String $lastinitial, Bool $minirender = false): String {
$content = '';
if ($firstinitial !== 'all') {
set_user_preference('ifirst', $firstinitial);
}
if ($lastinitial !== 'all') {
set_user_preference('ilast', $lastinitial);
}
// Initials bar.
$prefixfirst = 'sifirst';
$prefixlast = 'silast';
$content .= $this->output->initials_bar(
$firstinitial,
'firstinitial',
get_string('firstname'),
$prefixfirst,
$url,
null,
$minirender
);
$content .= $this->output->initials_bar(
$lastinitial,
'lastinitial',
get_string('lastname'),
$prefixlast,
$url,
null,
$minirender
);
return $content;
}
/**
* Displays the list of tagged users
*
* @param array $userlist
* @param bool $exclusivemode if set to true it means that no other entities tagged with this tag
* are displayed on the page and the per-page limit may be bigger
* @return string
*/
public function user_list($userlist, $exclusivemode) {
$tagfeed = new core_tag\output\tagfeed();
foreach ($userlist as $user) {
$userpicture = $this->output->user_picture($user, array('size' => $exclusivemode ? 100 : 35));
$fullname = fullname($user);
if (user_can_view_profile($user)) {
$profilelink = new moodle_url('/user/view.php', array('id' => $user->id));
$fullname = html_writer::link($profilelink, $fullname);
}
$tagfeed->add($userpicture, $fullname);
}
$items = $tagfeed->export_for_template($this->output);
if ($exclusivemode) {
$output = '<div><ul class="inline-list">';
foreach ($items['items'] as $item) {
$output .= '<li><div class="user-box">'. $item['img'] . $item['heading'] ."</div></li>\n";
}
$output .= "</ul></div>\n";
return $output;
}
return $this->output->render_from_template('core_tag/tagfeed', $items);
}
/**
* Renders the unified filter element for the course participants page.
* @deprecated since 3.9
* @throws coding_exception
*/
public function unified_filter() {
throw new coding_exception('unified_filter cannot be used any more, please use participants_filter instead');
}
/**
* Render the data required for the participants filter on the course participants page.
*
* @param context $context The context of the course being displayed
* @param string $tableregionid Container of the table to be updated by this filter, is used to retrieve the table
* @return string
*/
public function participants_filter(context $context, string $tableregionid): string {
$renderable = new \core_user\output\participants_filter($context, $tableregionid);
$templatecontext = $renderable->export_for_template($this->output);
return $this->output->render_from_template('core_user/participantsfilter', $templatecontext);
}
/**
* Returns a formatted filter option.
*
* @param int $filtertype The filter type (e.g. status, role, group, enrolment, last access).
* @param string $criteria The string label of the filter type.
* @param int $value The value for the filter option.
* @param string $label The string representation of the filter option's value.
* @return array The formatted option with the ['filtertype:value' => 'criteria: label'] format.
*/
protected function format_filter_option($filtertype, $criteria, $value, $label) {
$optionlabel = get_string('filteroption', 'moodle', (object)['criteria' => $criteria, 'value' => $label]);
$optionvalue = "$filtertype:$value";
return [$optionvalue => $optionlabel];
}
/**
* Handles cases when after reloading the applied filters are missing in the filter options.
*
* @param array $filtersapplied The applied filters.
* @param array $filteroptions The filter options.
* @return array The formatted options with the ['filtertype:value' => 'criteria: label'] format.
*/
private function handle_missing_applied_filters($filtersapplied, $filteroptions) {
global $DB;
foreach ($filtersapplied as $filter) {
if (!array_key_exists($filter, $filteroptions)) {
$filtervalue = explode(':', $filter);
if (count($filtervalue) !== 2) {
continue;
}
$key = $filtervalue[0];
$value = $filtervalue[1];
switch($key) {
case USER_FILTER_LAST_ACCESS:
$now = usergetmidnight(time());
$criteria = get_string('usersnoaccesssince');
// Days.
for ($i = 1; $i < 7; $i++) {
$timestamp = strtotime('-' . $i . ' days', $now);
if ($timestamp < $value) {
break;
}
$val = get_string('numdays', 'moodle', $i);
$filteroptions += $this->format_filter_option(USER_FILTER_LAST_ACCESS, $criteria, $timestamp, $val);
}
// Weeks.
for ($i = 1; $i < 10; $i++) {
$timestamp = strtotime('-'.$i.' weeks', $now);
if ($timestamp < $value) {
break;
}
$val = get_string('numweeks', 'moodle', $i);
$filteroptions += $this->format_filter_option(USER_FILTER_LAST_ACCESS, $criteria, $timestamp, $val);
}
// Months.
for ($i = 2; $i < 12; $i++) {
$timestamp = strtotime('-'.$i.' months', $now);
if ($timestamp < $value) {
break;
}
$val = get_string('nummonths', 'moodle', $i);
$filteroptions += $this->format_filter_option(USER_FILTER_LAST_ACCESS, $criteria, $timestamp, $val);
}
// Try a year.
$timestamp = strtotime('-1 year', $now);
if ($timestamp >= $value) {
$val = get_string('numyear', 'moodle', 1);
$filteroptions += $this->format_filter_option(USER_FILTER_LAST_ACCESS, $criteria, $timestamp, $val);
}
break;
case USER_FILTER_ROLE:
$criteria = get_string('role');
if ($role = $DB->get_record('role', array('id' => $value))) {
$role = role_get_name($role);
$filteroptions += $this->format_filter_option(USER_FILTER_ROLE, $criteria, $value, $role);
}
break;
}
}
}
return $filteroptions;
}
}
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