Proyectos de Subversion Moodle

<?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/>.

/**

 * Print private files tree

 *

 * @package    block_private_files

 * @copyright  2010 Dongsheng Cai <dongsheng@moodle.com>

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

defined('MOODLE_INTERNAL') || die();

class block_private_files_renderer extends plugin_renderer_base {

    /**

     * Prints private files tree view

     * @return string

     */

    public function private_files_tree() {

        return $this->render(new private_files_tree);

    }

    public function render_private_files_tree(private_files_tree $tree) {

        if (empty($tree->dir['subdirs']) && empty($tree->dir['files'])) {

            $html = $this->output->box(get_string('nofilesavailable', 'repository'));

        } else {

            $htmlid = 'private_files_tree_'.uniqid();

            $this->page->requires->js_call_amd('block_private_files/files_tree', 'init', [$htmlid]);

            $html = '<div id="'.$htmlid.'">';

            $html .= $this->htmllize_tree($tree, $tree->dir, true);

            $html .= '</div>';

        }

        return $html;

    }

    /**

     * Internal function - creates htmls structure suitable for core/tree AMD.

     *

     * @param private_files_tree $tree The renderable tree.

     * @param array $dir The directory in the tree

     * @param bool $isroot If it is the root directory in the tree.

     * @return string

     */

    protected function htmllize_tree($tree, $dir, $isroot) {

        global $CFG;

        if (empty($dir['subdirs']) and empty($dir['files'])) {

            return '';

        }

        if ($isroot) {

            $result = '<ul role="tree" aria-label="' . s(get_string('privatefiles')) . '">';

        } else {

            $result = '<ul role="group" aria-hidden="true">';

        }

        foreach ($dir['subdirs'] as $subdir) {

            $image = $this->output->pix_icon(file_folder_icon(), '');

            $content = $this->htmllize_tree($tree, $subdir, false);

            if ($content) {

                $result .= '<li role="treeitem" aria-expanded="false"><p>' . $image . s($subdir['dirname']) . '</p>' .

                    $content . '</li>';

            } else {

                $result .= '<li role="treeitem"><p>' . $image . s($subdir['dirname']) . '</p></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), '');

            $result .= '<li role="treeitem">'.html_writer::link($url, $image.$filename, ['tabindex' => -1]).'</li>';

        }

        $result .= '</ul>';

        return $result;

    }

}

class private_files_tree implements renderable {

    public $context;

    public $dir;

    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);

    }

}