* @license GPL-2.0+
* @link http://rahularyan.com
* @copyright 2014 Rahul Aryan
*/
class AP_Categories
{
/**
* Instance of this class.
*/
protected static $instance = null;
/**
* Return an instance of this class.
* @return object A single instance of this class.
*/
public static function get_instance()
{
// If the single instance hasn't been set, set it now.
if (null == self::$instance) {
self::$instance = new self;
}
return self::$instance;
}
/**
* Initialize the plugin by setting localization and loading public scripts
* and styles.
*/
public function __construct()
{
//Register question categories
add_action('init', array($this, 'register_question_categories'), 1);
add_filter('term_link', array($this, 'custom_category_link'), 10, 3);
}
public function register_question_categories(){
if(ap_opt('enable_categories')){
$categories_labels = array(
'name' => __('Question Categories', 'ap'),
'singular_name' => _x('Category', 'ap'),
'all_items' => __('All Categories', 'ap'),
'add_new_item' => _x('Add New Category', 'ap'),
'edit_item' => __('Edit Category', 'ap'),
'new_item' => __('New Category', 'ap'),
'view_item' => __('View Category', 'ap'),
'search_items' => __('Search Category', 'ap'),
'not_found' => __('Nothing Found', 'ap'),
'not_found_in_trash' => __('Nothing found in Trash', 'ap'),
'parent_item_colon' => ''
);
register_taxonomy('question_category', array('question'), array(
'hierarchical' => true,
'labels' => $categories_labels,
'rewrite' => false
));
}
}
public function custom_category_link($url, $term, $taxonomy){
if(ap_opt('enable_categories')){
/* change category link if permalink not enabled */
if ( 'question_category' == $term->taxonomy && !get_option('permalink_structure')) {
return add_query_arg( array('question_category' => false, 'page_id' => ap_opt('base_page'), 'qcat_id' =>$term->term_id), $url );
}elseif('question_category' == $term->taxonomy && get_option('permalink_structure')){
return ap_get_link_to('category/'.$term->slug);
}
}
return $url;
}
}
function ap_question_categories_html($post_id = false, $list = true){
if(!ap_opt('enable_categories'))
return;
if(!$post_id)
$post_id = get_the_ID();
$cats = get_the_terms( $post_id, 'question_category' );
if($cats){
if($list){
$o = '';
echo $o;
}else{
$o = 'Categories:';
$o .= ' ';
foreach($cats as $c){
$o .= ''. $c->name .'';
}
$o .= '';
echo $o;
}
}
}
function ap_category_details(){
if(!ap_opt('enable_categories'))
return;
$var = get_query_var('question_category');
$category = get_term_by('slug', $var, 'question_category');
echo '';
echo '
';
echo '
';
echo ''. $category->count .' '.__('Questions', 'ap').'';
echo '';
echo '
';
echo '
'. $category->description .'
';
$child = get_terms( array('taxonomy' => 'question_category'), array( 'parent' => $category->term_id, 'hierarchical' => false, 'hide_empty' => false ));
if($child) :
echo '';
endif;
}
function ap_child_cat_list($parent){
$categories = get_terms( array('taxonomy' => 'question_category'), array( 'parent' => $parent, 'hide_empty' => false ));
if($categories){
echo '';
}
}
function ap_question_have_category($post_id = false){
if(!$post_id)
$post_id = get_the_ID();
if(!ap_opt('enable_categories'))
return false;
$categories = wp_get_post_terms( $post_id, 'question_category');
if(!empty($categories))
return true;
return false;
}