MDL-50851 core_question: use new tag API
[moodle.git] / user / renderer.php
CommitLineData
82af55d7 1<?php
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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.
13//
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/>.
16
82af55d7 17/**
a2ed6e69 18 * Provides user rendering functionality such as printing private files tree and displaying a search utility
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19 *
20 * @package core_user
21 * @copyright 2010 Dongsheng Cai <dongsheng@moodle.com>
22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
23 */
24
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25defined('MOODLE_INTERNAL') || die();
26
02d1a0a5 27/**
a2ed6e69 28 * Provides user rendering functionality such as printing private files tree and displaying a search utility
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29 * @copyright 2010 Dongsheng Cai <dongsheng@moodle.com>
30 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
31 */
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32class core_user_renderer extends plugin_renderer_base {
33
34 /**
35 * Prints user files tree view
36 * @return string
37 */
38 public function user_files_tree() {
39 return $this->render(new user_files_tree);
40 }
41
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42 /**
43 * Render user files tree
a2ed6e69 44 *
02d1a0a5 45 * @param user_files_tree $tree
a2ed6e69 46 * @return string HTML
02d1a0a5 47 */
82af55d7 48 public function render_user_files_tree(user_files_tree $tree) {
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49 if (empty($tree->dir['subdirs']) && empty($tree->dir['files'])) {
50 $html = $this->output->box(get_string('nofilesavailable', 'repository'));
51 } else {
52 $htmlid = 'user_files_tree_'.uniqid();
a2ed6e69 53 $module = array('name' => 'core_user', 'fullpath' => '/user/module.js');
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54 $this->page->requires->js_init_call('M.core_user.init_tree', array(false, $htmlid), false, $module);
55 $html = '<div id="'.$htmlid.'">';
56 $html .= $this->htmllize_tree($tree, $tree->dir);
57 $html .= '</div>';
58 }
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59 return $html;
60 }
61
62 /**
63 * Internal function - creates htmls structure suitable for YUI tree.
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64 * @param user_files_tree $tree
65 * @param array $dir
a2ed6e69 66 * @return string HTML
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67 */
68 protected function htmllize_tree($tree, $dir) {
69 global $CFG;
70 $yuiconfig = array();
71 $yuiconfig['type'] = 'html';
72
73 if (empty($dir['subdirs']) and empty($dir['files'])) {
74 return '';
75 }
76 $result = '<ul>';
77 foreach ($dir['subdirs'] as $subdir) {
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78 $image = $this->output->pix_icon(file_folder_icon(), $subdir['dirname'], 'moodle', array('class' => 'icon'));
79 $result .= '<li yuiConfig=\''.json_encode($yuiconfig).'\'><div>'.$image.' '.s($subdir['dirname']).'</div> '.
80 $this->htmllize_tree($tree, $subdir).'</li>';
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81 }
82 foreach ($dir['files'] as $file) {
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83 $url = file_encode_url("$CFG->wwwroot/pluginfile.php", '/'.$tree->context->id.'/user/private'.
84 $file->get_filepath().$file->get_filename(), true);
82af55d7 85 $filename = $file->get_filename();
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86 $image = $this->output->pix_icon(file_file_icon($file), $filename, 'moodle', array('class' => 'icon'));
87 $result .= '<li yuiConfig=\''.json_encode($yuiconfig).'\'><div>'.$image.' '.html_writer::link($url, $filename).
88 '</div></li>';
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89 }
90 $result .= '</ul>';
91
92 return $result;
93 }
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94
95 /**
96 * Prints user search utility that can search user by first initial of firstname and/or first initial of lastname
97 * Prints a header with a title and the number of users found within that subset
98 * @param string $url the url to return to, complete with any parameters needed for the return
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99 * @param string $firstinitial the first initial of the firstname
100 * @param string $lastinitial the first initial of the lastname
101 * @param int $usercount the amount of users meeting the search criteria
2b267d31 102 * @param int $totalcount the amount of users of the set/subset being searched
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103 * @param string $heading heading of the subset being searched, default is All Participants
104 * @return string html output
105 */
41877849 106 public function user_search($url, $firstinitial, $lastinitial, $usercount, $totalcount, $heading = null) {
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107 global $OUTPUT;
108
109 $strall = get_string('all');
110 $alpha = explode(',', get_string('alphabet', 'langconfig'));
111
112 if (!isset($heading)) {
113 $heading = get_string('allparticipants');
114 }
115
116 $content = html_writer::start_tag('form', array('action' => new moodle_url($url)));
117 $content .= html_writer::start_tag('div');
118
41877849 119 // Search utility heading.
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120 $content .= $OUTPUT->heading($heading.get_string('labelsep', 'langconfig').$usercount.'/'.$totalcount, 3);
121
41877849 122 // Bar of first initials.
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123 $content .= html_writer::start_tag('div', array('class' => 'initialbar firstinitial'));
124 $content .= html_writer::label(get_string('firstname').' : ', null);
125
126 if (!empty($firstinitial)) {
127 $content .= html_writer::link($url.'&sifirst=', $strall);
128 } else {
129 $content .= html_writer::tag('strong', $strall);
130 }
131
132 foreach ($alpha as $letter) {
133 if ($letter == $firstinitial) {
134 $content .= html_writer::tag('strong', $letter);
135 } else {
136 $content .= html_writer::link($url.'&sifirst='.$letter, $letter);
137 }
138 }
139 $content .= html_writer::end_tag('div');
140
02d1a0a5 141 // Bar of last initials.
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142 $content .= html_writer::start_tag('div', array('class' => 'initialbar lastinitial'));
143 $content .= html_writer::label(get_string('lastname').' : ', null);
144
145 if (!empty($lastinitial)) {
146 $content .= html_writer::link($url.'&silast=', $strall);
147 } else {
148 $content .= html_writer::tag('strong', $strall);
149 }
150
151 foreach ($alpha as $letter) {
152 if ($letter == $lastinitial) {
153 $content .= html_writer::tag('strong', $letter);
154 } else {
155 $content .= html_writer::link($url.'&silast='.$letter, $letter);
156 }
157 }
158 $content .= html_writer::end_tag('div');
159
cbe8e5b3 160 $content .= html_writer::end_tag('div');
f836166a 161 $content .= html_writer::tag('div', '&nbsp;');
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162 $content .= html_writer::end_tag('form');
163
164 return $content;
165 }
166
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167}
168
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169/**
170 * User files tree
171 * @copyright 2010 Dongsheng Cai <dongsheng@moodle.com>
172 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
173 */
82af55d7 174class user_files_tree implements renderable {
02d1a0a5 175
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176 /**
177 * @var context_user $context
178 */
82af55d7 179 public $context;
02d1a0a5 180
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181 /**
182 * @var array $dir
183 */
82af55d7 184 public $dir;
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185
186 /**
187 * Create user files tree object
188 */
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189 public function __construct() {
190 global $USER;
43731030 191 $this->context = context_user::instance($USER->id);
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192 $fs = get_file_storage();
193 $this->dir = $fs->get_area_tree($this->context->id, 'user', 'private', 0);
194 }
195}