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renderer.php
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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 files tree view
* @return string
*/
public function user_files_tree() {
return $this->render(new user_files_tree);
}
/**
* Render user files tree
*
* @param user_files_tree $tree
* @return string HTML
*/
public function render_user_files_tree(user_files_tree $tree) {
if (empty($tree->dir['subdirs']) && empty($tree->dir['files'])) {
$html = $this->output->box(get_string('nofilesavailable', 'repository'));
} else {
$htmlid = 'user_files_tree_'.uniqid();
$module = array('name' => 'core_user', 'fullpath' => '/user/module.js');
$this->page->requires->js_init_call('M.core_user.init_tree', array(false, $htmlid), false, $module);
$html = '<div id="'.$htmlid.'">';
$html .= $this->htmllize_tree($tree, $tree->dir);
$html .= '</div>';
}
return $html;
}
/**
* Internal function - creates htmls structure suitable for YUI tree.
* @param user_files_tree $tree
* @param array $dir
* @return string HTML
*/
protected function htmllize_tree($tree, $dir) {
global $CFG;
$yuiconfig = array();
$yuiconfig['type'] = 'html';
if (empty($dir['subdirs']) and empty($dir['files'])) {
return '';
}
$result = '<ul>';
foreach ($dir['subdirs'] as $subdir) {
$image = $this->output->pix_icon(file_folder_icon(), $subdir['dirname'], 'moodle', array('class' => 'icon'));
$result .= '<li yuiConfig=\''.json_encode($yuiconfig).'\'><div>'.$image.' '.s($subdir['dirname']).'</div> '.
$this->htmllize_tree($tree, $subdir).'</li>';
}
foreach ($dir['files'] as $file) {
$url = file_encode_url("$CFG->wwwroot/pluginfile.php", '/'.$tree->context->id.'/user/private'.
$file->get_filepath().$file->get_filename(), true);
$filename = $file->get_filename();
$image = $this->output->pix_icon(file_file_icon($file), $filename, 'moodle', array('class' => 'icon'));
$result .= '<li yuiConfig=\''.json_encode($yuiconfig).'\'><div>'.$image.' '.html_writer::link($url, $filename).
'</div></li>';
}
$result .= '</ul>';
return $result;
}
/**
* 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) {
global $OUTPUT;
$strall = get_string('all');
$alpha = explode(',', get_string('alphabet', 'langconfig'));
if (!isset($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 .= $OUTPUT->heading($heading.get_string('labelsep', 'langconfig').$usercount.'/'.$totalcount, 3);
// Bar of first initials.
$content .= html_writer::start_tag('div', array('class' => 'initialbar firstinitial'));
$content .= html_writer::label(get_string('firstname').' : ', null);
if (!empty($firstinitial)) {
$content .= html_writer::link($url.'&sifirst=', $strall);
} else {
$content .= html_writer::tag('strong', $strall);
}
foreach ($alpha as $letter) {
if ($letter == $firstinitial) {
$content .= html_writer::tag('strong', $letter);
} else {
$content .= html_writer::link($url.'&sifirst='.$letter, $letter);
}
}
$content .= html_writer::end_tag('div');
// Bar of last initials.
$content .= html_writer::start_tag('div', array('class' => 'initialbar lastinitial'));
$content .= html_writer::label(get_string('lastname').' : ', null);
if (!empty($lastinitial)) {
$content .= html_writer::link($url.'&silast=', $strall);
} else {
$content .= html_writer::tag('strong', $strall);
}
foreach ($alpha as $letter) {
if ($letter == $lastinitial) {
$content .= html_writer::tag('strong', $letter);
} else {
$content .= html_writer::link($url.'&silast='.$letter, $letter);
}
}
$content .= html_writer::end_tag('div');
$content .= html_writer::end_tag('div');
$content .= html_writer::tag('div', ' ');
$content .= html_writer::end_tag('form');
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);
}
}
/**
* User files tree
* @copyright 2010 Dongsheng Cai <dongsheng@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class user_files_tree implements renderable {
/**
* @var context_user $context
*/
public $context;
/**
* @var array $dir
*/
public $dir;
/**
* Create user files tree object
*/
public function __construct() {
global $USER;
$this->context = context_user::instance($USER->id);
$fs = get_file_storage();
$this->dir = $fs->get_area_tree($this->context->id, 'user', 'private', 0);
}
}