mirror of
https://github.com/moodle/moodle.git
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136 lines
3.8 KiB
PHP
136 lines
3.8 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Utility class for browsing of system files.
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*
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* @package core_files
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* @copyright 2008 Petr Skoda (http://skodak.org)
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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defined('MOODLE_INTERNAL') || die();
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/**
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* Represents the system context in the tree navigated by {@link file_browser}.
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*
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* @package core_files
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* @copyright 2008 Petr Skoda (http://skodak.org)
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class file_info_context_system extends file_info {
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/**
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* Constructor
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*
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* @param file_browser $browser file_browser instance
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* @param stdClass $context context object
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*/
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public function __construct($browser, $context) {
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parent::__construct($browser, $context);
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}
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/**
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* Return information about this specific part of context level
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*
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* @param string $component component
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* @param string $filearea file area
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* @param int $itemid item ID
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* @param string $filepath file path
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* @param string $filename file name
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*/
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public function get_file_info($component, $filearea, $itemid, $filepath, $filename) {
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if (empty($component)) {
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return $this;
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}
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// no components supported at this level yet
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return null;
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}
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/**
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* Returns localised visible name.
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*
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* @return string
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*/
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public function get_visible_name() {
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return get_string('arearoot', 'repository');
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}
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/**
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* Whether or not new files or directories can be added
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*
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* @return bool
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*/
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public function is_writable() {
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return false;
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}
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/**
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* Whether or not this is a directory
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*
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* @return bool
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*/
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public function is_directory() {
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return true;
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}
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/**
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* Returns list of children.
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*
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* @return array of file_info instances
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*/
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public function get_children() {
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global $DB, $USER;
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$children = array();
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$course_cats = $DB->get_records('course_categories', array('parent'=>0), 'sortorder', 'id,visible');
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foreach ($course_cats as $category) {
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$context = context_coursecat::instance($category->id);
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if (!$category->visible and !has_capability('moodle/category:viewhiddencategories', $context)) {
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continue;
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}
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if ($child = $this->browser->get_file_info($context)) {
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$children[] = $child;
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}
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}
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$courses = $DB->get_records('course', array('category'=>0), 'sortorder', 'id,visible');
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foreach ($courses as $course) {
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if (!$course->visible and !has_capability('moodle/course:viewhiddencourses', $context)) {
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continue;
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}
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$context = context_course::instance($course->id);
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if ($child = $this->browser->get_file_info($context)) {
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$children[] = $child;
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}
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}
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return $children;
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}
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/**
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* Returns parent file_info instance
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*
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* @return file_info|null file_info instance or null for root
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*/
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public function get_parent() {
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return null;
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}
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}
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