blocks/private_files/renderer.php

   1 <?php
   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
  17 /**
  18  * Print private files tree
  19  *
  20  * @package    block_private_files
  21  * @copyright  2010 Dongsheng Cai <dongsheng@moodle.com>
  22  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25 defined('MOODLE_INTERNAL') || die();
  26
  27 class block_private_files_renderer extends plugin_renderer_base {
  28
  29     /**
  30      * Prints private files tree view
  31      * @return string
  32      */
  33     public function private_files_tree() {
  34         return $this->render(new private_files_tree);
  35     }
  36
  37     public function render_private_files_tree(private_files_tree $tree) {
  38         $module = array('name'=>'block_private_files', 'fullpath'=>'/blocks/private_files/module.js', 'requires'=>array('yui2-treeview'));
  39         if (empty($tree->dir['subdirs']) && empty($tree->dir['files'])) {
  40             $html = $this->output->box(get_string('nofilesavailable', 'repository'));
  41         } else {
  42             $htmlid = 'private_files_tree_'.uniqid();
  43             $this->page->requires->js_init_call('M.block_private_files.init_tree', array(false, $htmlid));
  44             $html = '<div id="'.$htmlid.'">';
  45             $html .= $this->htmllize_tree($tree, $tree->dir);
  46             $html .= '</div>';
  47         }
  48
  49         return $html;
  50     }
  51
  52     /**
  53      * Internal function - creates htmls structure suitable for YUI tree.
  54      */
  55     protected function htmllize_tree($tree, $dir) {
  56         global $CFG;
  57         $yuiconfig = array();
  58         $yuiconfig['type'] = 'html';
  59
  60         if (empty($dir['subdirs']) and empty($dir['files'])) {
  61             return '';
  62         }
  63         $result = '<ul>';
  64         foreach ($dir['subdirs'] as $subdir) {
  65             $image = $this->output->pix_icon(file_folder_icon(), $subdir['dirname'], 'moodle', array('class'=>'icon'));
  66             $result .= '<li yuiConfig=\''.json_encode($yuiconfig).'\'><div>'.$image.s($subdir['dirname']).'</div> '.$this->htmllize_tree($tree, $subdir).'</li>';
  67         }
  68         foreach ($dir['files'] as $file) {
  69             $url = file_encode_url("$CFG->wwwroot/pluginfile.php", '/'.$tree->context->id.'/user/private'.$file->get_filepath().$file->get_filename(), true);
  70             $filename = $file->get_filename();
  71             $image = $this->output->pix_icon(file_file_icon($file), $filename, 'moodle', array('class'=>'icon'));
  72             $result .= '<li yuiConfig=\''.json_encode($yuiconfig).'\'><div>'.html_writer::link($url, $image.$filename).'</div></li>';
  73         }
  74         $result .= '</ul>';
  75
  76         return $result;
  77     }
  78 }
  79
  80 class private_files_tree implements renderable {
  81     public $context;
  82     public $dir;
  83     public function __construct() {
  84         global $USER;
  85         $this->context = context_user::instance($USER->id);
  86         $fs = get_file_storage();
  87         $this->dir = $fs->get_area_tree($this->context->id, 'user', 'private', 0);
  88     }
  89 }