user/renderer.php

   1 <?php
   2
   3 // This file is part of Moodle - http://moodle.org/
   4 //
   5 // Moodle is free software: you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation, either version 3 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // Moodle is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17
  18
  19 /**
  20  * Print private files tree
  21  *
  22  * @package    core_user
  23  * @copyright  2010 Dongsheng Cai <dongsheng@moodle.com>
  24  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25  */
  26
  27
  28 defined('MOODLE_INTERNAL') || die();
  29
  30 class core_user_renderer extends plugin_renderer_base {
  31
  32     /**
  33      * Prints user files tree view
  34      * @return string
  35      */
  36     public function user_files_tree() {
  37         return $this->render(new user_files_tree);
  38     }
  39
  40     public function render_user_files_tree(user_files_tree $tree) {
  41         if (empty($tree->dir['subdirs']) && empty($tree->dir['files'])) {
  42             $html = $this->output->box(get_string('nofilesavailable', 'repository'));
  43         } else {
  44             $htmlid = 'user_files_tree_'.uniqid();
  45             $module = array('name'=>'core_user', 'fullpath'=>'/user/module.js');
  46             $this->page->requires->js_init_call('M.core_user.init_tree', array(false, $htmlid), false, $module);
  47             $html = '<div id="'.$htmlid.'">';
  48             $html .= $this->htmllize_tree($tree, $tree->dir);
  49             $html .= '</div>';
  50         }
  51         return $html;
  52     }
  53
  54     /**
  55      * Internal function - creates htmls structure suitable for YUI tree.
  56      */
  57     protected function htmllize_tree($tree, $dir) {
  58         global $CFG;
  59         $yuiconfig = array();
  60         $yuiconfig['type'] = 'html';
  61
  62         if (empty($dir['subdirs']) and empty($dir['files'])) {
  63             return '';
  64         }
  65         $result = '<ul>';
  66         foreach ($dir['subdirs'] as $subdir) {
  67             $image = $this->output->pix_icon(file_folder_icon(), $subdir['dirname'], 'moodle', array('class'=>'icon'));
  68             $result .= '<li yuiConfig=\''.json_encode($yuiconfig).'\'><div>'.$image.' '.s($subdir['dirname']).'</div> '.$this->htmllize_tree($tree, $subdir).'</li>';
  69         }
  70         foreach ($dir['files'] as $file) {
  71             $url = file_encode_url("$CFG->wwwroot/pluginfile.php", '/'.$tree->context->id.'/user/private'.$file->get_filepath().$file->get_filename(), true);
  72             $filename = $file->get_filename();
  73             $image = $this->output->pix_icon(file_file_icon($file), $filename, 'moodle', array('class'=>'icon'));
  74             $result .= '<li yuiConfig=\''.json_encode($yuiconfig).'\'><div>'.$image.' '.html_writer::link($url, $filename).'</div></li>';
  75         }
  76         $result .= '</ul>';
  77
  78         return $result;
  79     }
  80 }
  81
  82 class user_files_tree implements renderable {
  83     public $context;
  84     public $dir;
  85     public function __construct() {
  86         global $USER;
  87         $this->context = context_user::instance($USER->id);
  88         $fs = get_file_storage();
  89         $this->dir = $fs->get_area_tree($this->context->id, 'user', 'private', 0);
  90     }
  91 }