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renderer.php
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<?php
///////////////////////////////////////////////////////////////////////////
// //
// This file is part of Moodle - http://moodle.org/ //
// Moodle - Modular Object-Oriented Dynamic Learning Environment //
// //
// 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/>. //
// //
///////////////////////////////////////////////////////////////////////////
defined('MOODLE_INTERNAL') || die();
/**
* Rendering of files viewer related widgets.
* @package core
* @subpackage file
* @copyright 2010 Dongsheng Cai
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since Moodle 2.0
*/
/**
* File browser render
*
* @copyright 2010 Dongsheng Cai
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since Moodle 2.0
*/
class core_files_renderer extends plugin_renderer_base {
public function files_tree_viewer(file_info $file_info, array $options = null) {
$tree = new files_tree_viewer($file_info, $options);
return $this->render($tree);
}
public function render_files_tree_viewer(files_tree_viewer $tree) {
$html = $this->output->heading_with_help(get_string('coursefiles'), 'courselegacyfiles', 'moodle');
$html .= $this->output->container_start('coursefilesbreadcrumb');
foreach($tree->path as $path) {
$html .= $path;
$html .= ' / ';
}
$html .= $this->output->container_end();
$html .= $this->output->box_start();
$table = new html_table();
$table->head = array(get_string('filename', 'backup'), get_string('size'), get_string('modified'));
$table->align = array('left', 'right', 'right');
$table->width = '100%';
$table->data = array();
foreach ($tree->tree as $file) {
if (!empty($file['isdir'])) {
$table->data[] = array(
html_writer::link($file['url'], $this->output->pix_icon('f/folder', 'icon') . ' ' . $file['filename']),
'',
$file['filedate'],
);
} else {
$table->data[] = array(
html_writer::link($file['url'], $this->output->pix_icon('f/'.mimeinfo('icon', $file['filename']), get_string('icon')) . ' ' . $file['filename']),
$file['filesize'],
$file['filedate'],
);
}
}
$html .= html_writer::table($table);
$html .= $this->output->single_button(new moodle_url('/files/coursefilesedit.php', array('contextid'=>$tree->context->id)), get_string('coursefilesedit'), 'get');
$html .= $this->output->box_end();
return $html;
}
}
/**
* Data structure representing a general moodle file tree viewer
*
* @copyright 2010 Dongsheng Cai
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since Moodle 2.0
*/
class files_tree_viewer implements renderable {
public $tree;
public $path;
public $context;
/**
* Constructor of moodle_file_tree_viewer class
* @param file_info $file_info
* @param array $options
*/
public function __construct(file_info $file_info, array $options = null) {
global $CFG;
//note: this MUST NOT use get_file_storage() !!!!!!!!!!!!!!!!!!!!!!!!!!!!
$this->options = (array)$options;
$this->context = $options['context'];
$this->tree = array();
$children = $file_info->get_children();
$current_file_params = $file_info->get_params();
$parent_info = $file_info->get_parent();
$level = $parent_info;
$this->path = array();
while ($level) {
$params = $level->get_params();
$context = get_context_instance_by_id($params['contextid']);
// $this->context is current context
if ($context->id != $this->context->id or empty($params['filearea'])) {
break;
}
// unset unused parameters
unset($params['component']);
unset($params['filearea']);
unset($params['filename']);
unset($params['itemid']);
$url = new moodle_url('/files/index.php', $params);
$this->path[] = html_writer::link($url, $level->get_visible_name());
$level = $level->get_parent();
}
$this->path = array_reverse($this->path);
if ($current_file_params['filepath'] != '/') {
$this->path[] = $file_info->get_visible_name();
}
foreach ($children as $child) {
$filedate = $child->get_timemodified();
$filesize = $child->get_filesize();
$mimetype = $child->get_mimetype();
$params = $child->get_params();
unset($params['component']);
unset($params['filearea']);
unset($params['filename']);
unset($params['itemid']);
$fileitem = array(
'params' => $params,
'filename' => $child->get_visible_name(),
'filedate' => $filedate ? userdate($filedate) : '',
'filesize' => $filesize ? display_size($filesize) : ''
);
$url = new moodle_url('/files/index.php', $params);
if ($child->is_directory()) {
$fileitem['isdir'] = true;
$fileitem['url'] = $url->out(false);
} else {
$fileitem['url'] = $child->get_url();
}
$this->tree[] = $fileitem;
}
}
}