/**
* Outputs the content of the widget
*
* @param array $args
* @param array $instance
*/
public function widget($args, $instance)
{
// outputs the content of the widget
//Get args and output the title
wp_register_style('moocview-widget-css', plugins_url('css/moocview-widget.css', __FILE__));
wp_enqueue_style('moocview-widget-css');
extract($args);
echo $before_widget;
$title = apply_filters('widget_title', $instance['title']);
if ($title) {
echo $before_title . $title . $after_title;
}
if ($instance['contenttype'] == '0') {
$catlist = get_moodle_categories($this->moodle_ws_url, $this->moodle_site_token);
foreach ($catlist as $category) {
$langCourses = $category->coursecount == 1 ? __('course', 'moodle-courses-view') : __('courses', 'moodle-courses-view');
echo "<div class='category'><a href='{$this->moodle_site}{$this->moocview_category_view_path}?{$this->moocview_category_id_par}={$category->id}'>{$category->name}</a> <br/>({$category->coursecount} {$langCourses})</div>";
}
} elseif ($instance['contenttype'] == '2') {
$catcourses = get_moodle_categories_and_courses($this->moodle_ws_url, $this->moodle_site_token);
foreach ($catcourses['courses'] as $cc) {
$category = $cc['category'];
echo "<div class='catcourses'>";
$langCourses = $category->coursecount == 1 ? __('course', 'moodle-courses-view') : __('courses', 'moodle-courses-view');
echo "<div class='cattitle'><a href='{$this->moodle_site}{$this->moocview_category_view_path}?{$this->moocview_category_id_par}={$category->id}'>{$category->name}</a> <br/>({$category->coursecount} {$langCourses})</div>";
if ($category->coursecount > 0) {
echo "<ul class='courselist'>";
}
$i = 0;
foreach ($cc['courses'] as $c) {
$i++;
if ($i <= $instance['maxcatcourses'] || $instance['maxcatcourses'] + 1 == $category->coursecount) {
echo "<li><a href='{$this->moodle_site}{$this->moocview_course_view_path}?{$this->moocview_course_id_par}={$c->id}'>{$c->fullname}</li>";
} else {
echo "<li class='morelink'><a href='{$instance['morelinkurl']}?{$instance['categoryparam']}={$category->id}'>" . __('More ...', 'moodle-courses-view') . "</li>";
break;
}
}
if ($category->coursecount > 0) {
echo "</ul>";
}
echo "</div>";
}
} else {
$courses = get_moodle_courses($this->moodle_ws_url, $this->moodle_site_token);
$i = 0;
echo "<div class='catcourses'>";
echo "<ul class='maincourselist'>";
foreach ($courses as $c) {
$i++;
if ($i <= $instance['maxcatcourses']) {
echo "<li><a href='{$this->moodle_site}{$this->moocview_course_view_path}?{$this->moocview_course_id_par}={$c->id}'>{$c->fullname}</a></li>";
} else {
echo "<li class='morelink'><a href='{$instance['morelinkurl']}'>" . __('More ...', 'moodle-courses-view') . "</li>";
break;
}
}
echo "</ul></div>";
}
}
/**
* Get categories with their courses from moodle site.
* @param string $moodle_site the moodle site from where to get course categories
* @param string $moodle_token the token of the moodle web service user
* @param integer $catid the moodle category id
* @return array an array ('courses', 'cids') containing in 'courses' for each category the corresponding courses and in 'cids' the list af all courses ids
*/
function get_moodle_categories_and_courses($moodle_site, $moodle_token, $catid = null)
{
$cats = get_moodle_categories($moodle_site, $moodle_token);
$courses = get_moodle_courses($moodle_site, $moodle_token);
$courseids = array();
foreach ($cats as $ca) {
if (is_null($catid) || $ca->id == $catid) {
$catsarr[$ca->id]['category'] = $ca;
$catsarr[$ca->id]['courses'] = array();
}
}
foreach ($courses as $co) {
if (key_exists('category', $catsarr[$co->categoryid])) {
$catsarr[$co->categoryid]['courses'][] = $co;
$courseids[] = $co->id;
}
}
return array('courses' => $catsarr, 'cids' => $courseids);
}