3 // This file is part of Moodle - http://moodle.org/
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.
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.
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/>.
19 * Renderer for use with the course section and all the goodness that falls
22 * This renderer should contain methods useful to courses, and categories.
25 * @copyright 2010 Sam Hemelryk
26 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
30 * The core course renderer
32 * Can be retrieved with the following:
33 * $renderer = $PAGE->get_renderer('core','course');
35 class core_course_renderer extends plugin_renderer_base {
44 * Override the constructor so that we can initialise the string cache
46 * @param moodle_page $page
47 * @param string $target
49 public function __construct(moodle_page $page, $target) {
50 $this->strings = new stdClass;
51 parent::__construct($page, $target);
55 * Renderers a structured array of courses and categories into a nice
56 * XHTML tree structure.
58 * This method was designed initially to display the front page course/category
59 * combo view. The structure can be retrieved by get_course_category_tree()
61 * @param array $structure
64 public function course_category_tree(array $structure) {
65 $this->strings->summary = get_string('summary');
67 // Generate an id and the required JS call to make this a nice widget
68 $id = html_writer::random_id('course_category_tree');
69 $this->page->requires->js_init_call('M.util.init_toggle_class_on_click', array($id, '.category.with_children .category_label', 'collapsed'));
71 // Start content generation
72 $content = html_writer::start_tag('div', array('class'=>'course_category_tree', 'id'=>$id));
73 foreach ($structure as $category) {
74 $content .= $this->course_category_tree_category($category);
76 $content .= html_writer::start_tag('div', array('class'=>'controls'));
77 $content .= html_writer::tag('div', get_string('collapseall'), array('class'=>'addtoall expandall'));
78 $content .= html_writer::tag('div', get_string('expandall'), array('class'=>'removefromall collapseall'));
79 $content .= html_writer::end_tag('div');
80 $content .= html_writer::end_tag('div');
82 // Return the course category tree HTML
87 * Renderers a category for use with course_category_tree
89 * @param array $category
93 protected function course_category_tree_category(stdClass $category, $depth=1) {
95 $hassubcategories = (count($category->categories)>0);
96 $hascourses = (count($category->courses)>0);
97 $classes = array('category');
98 if ($category->parent != 0) {
99 $classes[] = 'subcategory';
101 if (empty($category->visible)) {
102 $classes[] = 'dimmed_category';
104 if ($hassubcategories || $hascourses) {
105 $classes[] = 'with_children';
107 $classes[] = 'collapsed';
110 $content .= html_writer::start_tag('div', array('class'=>join(' ', $classes)));
111 $content .= html_writer::start_tag('div', array('class'=>'category_label'));
112 $content .= html_writer::link(new moodle_url('/course/category.php', array('id'=>$category->id)), $category->name, array('class'=>'category_link'));
113 $content .= html_writer::end_tag('div');
114 if ($hassubcategories) {
115 $content .= html_writer::start_tag('div', array('class'=>'subcategories'));
116 foreach ($category->categories as $subcategory) {
117 $content .= $this->course_category_tree_category($subcategory, $depth+1);
119 $content .= html_writer::end_tag('div');
122 $content .= html_writer::start_tag('div', array('class'=>'courses'));
124 foreach ($category->courses as $course) {
125 $classes = array('course');
126 $linkclass = 'course_link';
127 if (!$course->visible) {
128 $linkclass .= ' dimmed';
131 $classes[] = ($coursecount%2)?'odd':'even';
132 $content .= html_writer::start_tag('div', array('class'=>join(' ', $classes)));
133 $content .= html_writer::link(new moodle_url('/course/view.php', array('id'=>$course->id)), format_text($course->fullname, FORMAT_HTML), array('class'=>$linkclass));
134 $content .= html_writer::start_tag('div', array('class'=>'course_info clearfix'));
137 if ($icons = enrol_get_course_info_icons($course)) {
138 foreach ($icons as $pix_icon) {
139 $content .= $this->render($pix_icon);
143 if ($course->summary) {
144 $image = html_writer::empty_tag('img', array('src'=>$this->output->pix_url('i/info'), 'alt'=>$this->strings->summary));
145 $content .= html_writer::link(new moodle_url('/course/info.php', array('id'=>$course->id)), $image, array('title'=>$this->strings->summary));
147 $content .= html_writer::end_tag('div');
148 $content .= html_writer::end_tag('div');
150 $content .= html_writer::end_tag('div');
152 $content .= html_writer::end_tag('div');