categories-for-anspress.php

<?php
/**
 * Categories extension for AnsPress
 *
 * AnsPress - Question and answer plugin for WordPress
 *
 * @package   Categories for AnsPress
 * @author    Rahul Aryan <wp3@rahularyan.com>
 * @license   GPL-2.0+
 * @link      http://wp3.in/categories-for-anspress
 * @copyright 2014 WP3.in & Rahul Aryan
 *
 * @wordpress-plugin
 * Plugin Name:       Categories for AnsPress
 * Plugin URI:        http://anspress.io/downloads/categories-for-anspress
 * Description:       Extension for AnsPress. Add categories in AnsPress.
 * Donate link: https://www.paypal.com/cgi-bin/webscr?business=rah12@live.com&cmd=_xclick&item_name=Donation%20to%20AnsPress%20development
 * Version:           1.3.8
 * Author:            Rahul Aryan
 * Author URI:        http://anspress.io
 * Text Domain:       categories_for_anspress
 * License:           GPL-3.0+
 * License URI:       http://www.gnu.org/licenses/gpl-3.0.txt
 * Domain Path:       /languages
 */

// If this file is called directly, abort.
if ( ! defined( 'WPINC' ) ) {
    die;
}


class Categories_For_AnsPress
{

    /**
     * Class instance
     * @var object
     * @since 1.0
     */
    private static $instance;


    /**
     * Get active object instance
     *
     * @since 1.0
     *
     * @access public
     * @static
     * @return object
     */
    public static function get_instance() {

        if ( ! self::$instance )
            self::$instance = new Categories_For_AnsPress();

        return self::$instance;
    }
    /**
     * Initialize the class
     * @since 2.0
     */
    public function __construct()
    {
        if( ! class_exists( 'AnsPress' ) )
            return; // AnsPress not installed

        if (!defined('CATEGORIES_FOR_ANSPRESS_DIR'))
            define('CATEGORIES_FOR_ANSPRESS_DIR', plugin_dir_path( __FILE__ ));

        if (!defined('CATEGORIES_FOR_ANSPRESS_URL'))
                define('CATEGORIES_FOR_ANSPRESS_URL', plugin_dir_url( __FILE__ ));

        $this->includes();

        ap_register_page('category', __('Category', 'ap'), array($this, 'category_page'), false);
        ap_register_page('categories', __('Categories', 'ap'), array($this, 'categories_page'));

        // internationalization
        add_action( 'init', array( $this, 'textdomain' ) );


        //Register question categories
        add_action('init', array($this, 'register_question_categories'), 1);
        add_action( 'admin_init', array( $this, 'load_options' ) );
        add_action( 'admin_enqueue_scripts', array($this, 'admin_enqueue_scripts') );
        add_action('ap_admin_menu', array($this, 'admin_category_menu'));
        add_filter('ap_default_options', array($this, 'ap_default_options') );

        add_action('ap_display_question_metas', array($this, 'ap_display_question_metas' ), 10, 2);
        //add_action('ap_before_question_title', array($this, 'ap_before_question_title' ));
        add_action('ap_enqueue', array( $this, 'ap_enqueue' ) );
        add_filter('term_link', array($this, 'term_link_filter'), 10, 3);
        add_action('ap_ask_form_fields', array($this, 'ask_from_category_field'), 10, 2);
        add_action('ap_ask_fields_validation', array($this, 'ap_ask_fields_validation'));
        add_action('ap_processed_new_question', array($this, 'after_new_question'), 0, 2 );
        add_action('ap_processed_update_question', array($this, 'after_new_question'), 0, 2 );
        add_filter('ap_page_title', array($this, 'page_title'));
        add_filter('ap_breadcrumbs', array($this, 'ap_breadcrumbs'));
        add_filter('ap_option_group_layout', array($this, 'option'));

        add_action('ap_user_subscription_tab', array($this, 'subscription_tab'));
        add_action('ap_user_subscription_page', array($this, 'subscription_page'));
        add_action('terms_clauses', array($this, 'terms_clauses'), 10, 3);
        add_action('ap_list_head', array($this, 'ap_list_head'));

        add_action( 'question_category_add_form_fields', array($this, 'image_field_new') );
        add_action( 'question_category_edit_form_fields', array($this, 'image_field_edit' ) );

        add_action( 'create_question_category', array($this, 'save_image_field') );
        add_action( 'edited_question_category', array($this, 'save_image_field') );

        add_action( 'widgets_init', array($this, 'register_widget') );
    }

    public function includes(){
        require_once( CATEGORIES_FOR_ANSPRESS_DIR . 'categories-widget.php' );
    }

    public function category_page()
    {
        global $questions, $question_category;

        $category_id = sanitize_text_field( get_query_var( 'q_cat'));

        $question_args= array('tax_query' => array(
            array(
                'taxonomy' => 'question_category',
                'field' => is_numeric($category_id) ? 'id' : 'slug',
                'terms' => array( $category_id )
            )
        ));

        $question_category = get_term_by( is_numeric($category_id) ? 'id' : 'slug', $category_id, 'question_category');
        $questions = ap_get_questions($question_args);
        include(ap_get_theme_location('category.php', CATEGORIES_FOR_ANSPRESS_DIR));
    }

    public function categories_page()
    {
        global $question_categories, $ap_max_num_pages, $ap_per_page;

        $paged = get_query_var('paged') ? get_query_var('paged') : 1;
        $per_page           = ap_opt('categories_per_page');
        $total_terms        = wp_count_terms('question_category');
        $offset             = $per_page * ( $paged - 1) ;
        $ap_max_num_pages   = $total_terms / $per_page ;

        $cat_args = array(
            'parent'        => 0,
            'number'        => $per_page,
            'offset'        => $offset,
            'hide_empty'    => false,
            'orderby'       => 'count',
            'order'         => 'DESC',
        );

        /**
         * FILTER: ap_categories_shortcode_args
         * Filter applied before getting categories.
         * @var array
         * @since 1.0
         */
        $cat_args = apply_filters('ap_categories_shortcode_args', $cat_args );

        $question_categories = get_terms( 'question_category' , $cat_args);

        include ap_get_theme_location('categories.php', CATEGORIES_FOR_ANSPRESS_DIR);
    }

    /**
     * Load plugin text domain
     *
     * @since 1.0
     *
     * @access public
     * @return void
     */
    public static function textdomain() {

        // Set filter for plugin's languages directory
        $lang_dir = dirname( plugin_basename( __FILE__ ) ) . '/languages/';

        // Load the translations
        load_plugin_textdomain( 'ap', false, $lang_dir );
    }

    /**
     * Register category taxonomy for question cpt
     * @return void
     * @since 2.0
     */
    public function register_question_categories(){
        ap_register_menu('ANSPRESS_CATEGORIES_PAGE_URL', __('Categories', 'ap'), ap_get_link_to('categories'));

        /**
         * Labesl for category taxonomy
         * @var array
         */
        $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' => ''
        );

        /**
         * FILTER: ap_question_category_labels
         * Filter ic called before registering question_category taxonomy
         */
       $categories_labels = apply_filters( 'ap_question_category_labels',  $categories_labels);

        /**
         * Arguments for category taxonomy
         * @var array
         * @since 2.0
         */
        $category_args = array(
            'hierarchical' => true,
            'labels' => $categories_labels,
            'rewrite' => true
        );

        /**
         * FILTER: ap_question_category_args
         * Filter ic called before registering question_category taxonomy
         */
        $category_args = apply_filters( 'ap_question_category_args',  $category_args);

        /**
         * Now let WordPress know about our taxonomy
         */
        register_taxonomy('question_category', array('question'), $category_args);

    }

    public function load_options()
    {
        $settings = ap_opt();
        ap_register_option_group( 'categories', __('Categories', 'ap'), array(
            array(
                'name'              => 'anspress_opt[form_category_orderby]',
                'label'             => __('Category order by', 'ap'),
                'description'       => __('Set how you want to order categories in form.', 'ap'),
                'type'              => 'select',
                'options'			=>array(
                	'ID' 			=> __('ID', 'ap'),
                	'name' 			=> __('Name', 'ap'),
                	'slug' 			=> __('Slug', 'ap'),
                	'count' 		=> __('Count', 'ap'),
                	'term_group' 	=> __('Group', 'ap'),
                	),
                'value'             => $settings['form_category_orderby'],
            )
        ));
    }

    public function admin_enqueue_scripts(){
        wp_enqueue_media();
        wp_enqueue_style( 'wp-color-picker' );
        wp_enqueue_script('wp-color-picker');
    }

    /**
     * Apppend default options
     * @param   array $defaults
     * @return  array
     * @since   1.0
     */
    public function ap_default_options($defaults)
    {
        $defaults['form_category_orderby']  = 'count';

        return $defaults;
    }

    /**
     * Add category menu in wp-admin
     * @return void
     * @since 2.0
     */
    public function admin_category_menu(){
            add_submenu_page('anspress', 'Questions Category', 'Category', 'manage_options', 'edit-tags.php?taxonomy=question_category');
    }

    /**
     * Append meta display
     * @param  array $metas
     * @param array $question_id
     * @return array
     * @since 1.0
     */
    public function ap_display_question_metas($metas, $question_id)
    {
        if(ap_question_have_category($question_id) && !is_singular('question'))
            $metas['categories'] = ap_question_categories_html(array('label' => ap_icon('category', true)));

        return $metas;
    }

    /**
     * Append question category after question title
     * @param  object $post
     * @return string
     * @since 1.0
     */
    public function ap_before_question_title($post)
    {
        if(ap_question_have_category())
            echo '<div class="ap-posted-in">' . ap_question_categories_html(array('label' => __('Posted in ', 'ap'))) .'</div>';
    }
    /**
     * Enqueue scripts
     * @since 1.0
     */
    public function ap_enqueue()
    {
        wp_enqueue_style( 'categories_for_anspress_css', ap_get_theme_url('css/categories.css', CATEGORIES_FOR_ANSPRESS_URL));

    }

    public function term_link_filter( $url, $term, $taxonomy ) {
        if($taxonomy == 'question_category'){
            if(get_option('permalink_structure') != '')
                 return ap_get_link_to(array('ap_page' => 'category', 'q_cat' => $term->slug));
            else
                return ap_get_link_to(array('ap_page' => 'category', 'q_cat' => $term->term_id));
        }
        return $url;

    }

    /**
     * add category field in ask form
     * @param  array $validate
     * @return void
     * @since 2.0
     */
    public function ask_from_category_field($args, $editing){
        if(wp_count_terms('question_category') == 0)
            return $args;

        global $editing_post;

        if($editing){
            $category = get_the_terms( $editing_post->ID, 'question_category' );
            $catgeory = $category[0]->term_id;
        }

        $args['fields'][] = array(
            'name' => 'category',
            'label' => __('Category', 'ap'),
            'type'  => 'taxonomy_select',
            'value' => ( $editing ? $catgeory :  sanitize_text_field(@$_POST['category'] ))  ,
            'taxonomy' => 'question_category',
            'orderby' => ap_opt('form_category_orderby'),
            'desc' => __('Select a topic that best fits your question', 'ap'),
            'order' => 6
        );

        return $args;
    }

    /**
     * add category in validation field
     * @param  array $fields
     * @return array
     * @since  1.0
     */
    public function ap_ask_fields_validation($args){

        if(wp_count_terms('question_category') == 0)
            return $args;

        $args['category'] = array(
            'sanitize' => array('only_int'),
            'validate' => array('required'),
        );

        return $args;
    }

    /**
     * Things to do after creating a question
     * @param  int $post_id
     * @param  object $post
     * @return void
     * @since 1.0
     */
    public function after_new_question($post_id, $post)
    {
        global $validate;

        if(empty($validate))
            return;

        $fields = $validate->get_sanitized_fields();

        if(isset($fields['category']))
            $category = wp_set_post_terms( $post_id, $fields['category'], 'question_category' );

    }

    public function page_title($title){
        if(is_question_categories()){
            $title = ap_opt('categories_page_title');
        }
        elseif(is_question_category()){
            $category_id = sanitize_text_field( get_query_var( 'q_cat'));
            $category = get_term_by(is_numeric($category_id) ? 'id' : 'slug', $category_id, 'question_category');
            $title = $category->name;
        }

        return $title;
    }

    public function ap_breadcrumbs($navs){
        if( is_question_category()){
            $category_id = sanitize_text_field( get_query_var( 'q_cat'));
            $category = get_term_by(is_numeric($category_id) ? 'id' : 'slug', $category_id, 'question_category');
            $navs['page'] = array( 'title' => __('Categories', 'ap'), 'link' => ap_get_link_to('categories'), 'order' => 8 );
            $navs['category'] = array( 'title' => $category->name, 'link' => get_term_link( $category, 'question_category' ), 'order' => 8 );
        }elseif( is_question_categories()){
            $navs['page'] = array( 'title' => __('Categories', 'ap'), 'link' => ap_get_link_to('categories'), 'order' => 8 );

        }

        return $navs;
    }

    public function option($fields){
        $settings = ap_opt();

        $fields[] = array(
            'name' => 'anspress_opt[categories_page_title]',
            'label' => __('Categories title', 'ap') ,
            'desc' => __('Title of the categories page', 'ap') ,
            'type' => 'text',
            'value' => $settings['categories_page_title'],
            'show_desc_tip' => false,
        );

        return $fields;
    }

    public function subscription_tab($active)
    {
        echo '<li class="'.($active == 'category' ? 'active' : '').'"><a href="?tab=category">'.__('Category', 'ap').'</a></li>';
    }

    public function subscription_page($active)
    {
        $active = isset($_GET['tab']) ? sanitize_text_field($_GET['tab']) : 'question';

        if($active != 'category')
            return;

        global $question_categories, $ap_max_num_pages, $ap_per_page;

        $paged = get_query_var('paged') ? get_query_var('paged') : 1;
        $per_page           = ap_opt('categories_per_page');
        $total_terms        = wp_count_terms('question_category');
        $offset             = $per_page * ( $paged - 1) ;
        $ap_max_num_pages   = $total_terms / $per_page ;

        $cat_args = array(
            'user_id'       => get_current_user_id(),
            'ap_query'      => 'subscription',
            'parent'        => 0,
            'number'        => $per_page,
            'offset'        => $offset,
            'hide_empty'    => false,
            'orderby'       => 'count',
            'order'         => 'DESC',
        );

        $question_categories = get_terms( 'question_category' , $cat_args);

        include ap_get_theme_location('categories.php', CATEGORIES_FOR_ANSPRESS_DIR);
    }

    public function terms_clauses($pieces, $taxonomies, $args)
    {
        if(!in_array('question_category', $taxonomies) || !isset($args['ap_query']) || $args['ap_query'] != 'subscription' )
            return $pieces;

        global $wpdb;

        $pieces['join']     = $pieces['join']." INNER JOIN ".$wpdb->prefix."ap_meta apmeta ON t.term_id = apmeta.apmeta_actionid";
        $pieces['where']    = $pieces['where']." AND apmeta.apmeta_type='subscriber' AND apmeta.apmeta_param='category' AND apmeta.apmeta_userid='".$args['user_id']."'";

        return $pieces;
    }

    /**
     * Add category sorting in list head
     * @return void
     */
    public function ap_list_head()
    {
        global $wp;

        if(!isset($wp->query_vars['ap_sc_atts_categories']))
            ap_category_sorting();
    }

    /**
     * Custom question category fields
     * @param  array $term
     * @return void
     */
    public function image_field_new( $term ){
        echo "<div class='form-field term-image-wrap'>";
        echo "<label for='ap_image'>".__('Image', 'ap')."</label>";
        echo '<a href="#" id="ap-category-upload">'.__('Upload image', 'ap').'</a>';

        echo '<input id="ap_category_media_url" type="hidden" name="ap_category_image_url" value="'.$ap_image['url'].'">';
        echo '<input id="ap_category_media_id" type="hidden" name="ap_category_image_id" value="'.$ap_image['id'].'">';
        echo '<p class="description">'.__('Category image', 'ap').'</p>';
        echo "<div>";
        echo "<div class='form-field term-image-wrap'>";
        echo "<label for='ap_icon'>".__('Category icon class', 'ap')."</label>";
        echo '<input id="ap_icon" type="text" name="ap_icon" value="">';
        echo '<p class="description">'.__('Font icon class, if image not set', 'ap').'</p>';
        echo "<div>";
        echo "<div class='form-field term-image-wrap'>";
        echo "<label for='ap-category-color'>".__('Category icon color', 'ap')."</label>";
        echo '<input id="ap-category-color" type="text" name="ap_color" value="">';
        echo '<p class="description">'.__('Icon color', 'ap').'</p>';
        echo "<div>";
    }

    public function image_field_edit( $term ){
        $termID         = $term->term_id;
        $option_name    = 'ap_cat_'.$term->term_id;
        $termMeta       = get_option( $option_name );
        $ap_image       = $termMeta['ap_image'];
        $ap_icon        = $termMeta['ap_icon'];
        $ap_color        = $termMeta['ap_color'];

        echo "<tr class='form-field form-required term-name-wrap'>";
        echo "<th scope='row'><label for='custom-field'>".__('Image', 'ap')."</label></th>";
        echo '<td>';
        echo '<a href="#" id="ap-category-upload">'.__('Upload image', 'ap').'</a>';

        if(isset($ap_image['url']) && $ap_image['url'] != '')
            echo '<img id="ap_category_media_preview" src="'.$ap_image['url'].'" />';

        echo '<input id="ap_category_media_url" type="hidden" name="ap_category_image_url" value="'.$ap_image['url'].'">';
        echo '<input id="ap_category_media_id" type="hidden" name="ap_category_image_id" value="'.$ap_image['id'].'">';
        echo "<p class='description'>".__('Featured image for category', 'ap')."</p>";
        echo '<a href="#" id="ap-category-upload-remove">'.__('Remove image', 'ap').'</a>';
        echo "</td></tr>";

        echo "<tr class='form-field form-required term-name-wrap'>";
        echo "<th scope='row'><label for='custom-field'>".__('Category icon class', 'ap')."</label></th>";
        echo '<td>';
        echo '<input id="ap_icon" type="text" name="ap_icon" value="'.$ap_icon.'">';
        echo '<p class="description">'.__('Font icon class, if image not set', 'ap').'</p>';
        echo "</td></tr>";

        echo "<tr class='form-field form-required term-name-wrap'>";
        echo "<th scope='row'><label for='ap-category-color'>".__('Category icon color', 'ap')."</label></th>";
        echo '<td>';
        echo '<input id="ap-category-color" type="text" name="ap_color" value="'.$ap_color.'">';
        echo '<p class="description">'.__('Font icon class, if image not set', 'ap').'</p>';
        echo "</td></tr>";
    }

    public function save_image_field($termID)
    {
        if ( (isset( $_POST['ap_category_image_url'] ) && isset( $_POST['ap_category_image_id'] )) || isset( $_POST['ap_icon'] ) ) {

            // get options from database - if not a array create a new one
            $termMeta = get_option( 'ap_cat_'.$termID );

            if ( !is_array( $termMeta ))
                $termMeta = array();

            if(isset( $_POST['ap_category_image_url'] ) && isset( $_POST['ap_category_image_id'] )){

                if ( !is_array( $termMeta['ap_image'] ))
                    $termMeta['ap_image'] = array();

                // get value and save it into the database
                $termMeta['ap_image']['url'] = isset( $_POST['ap_category_image_url'] ) ? sanitize_text_field($_POST['ap_category_image_url']) : '';

                $termMeta['ap_image']['id'] = isset( $_POST['ap_category_image_id'] ) ? (int)$_POST['ap_category_image_id'] : '';
            }

            if(isset( $_POST['ap_icon'] ))
                $termMeta['ap_icon'] = sanitize_text_field( $_POST['ap_icon'] );

            if(isset( $_POST['ap_color'] ))
                $termMeta['ap_color'] = sanitize_text_field( $_POST['ap_color'] );

            update_option( 'ap_cat_'.$termID, $termMeta );
        }
    }

    /**
     * Register category widget
     * @return void
     */
    public function register_widget() {
        register_widget( 'AnsPress_Category_Widget' );
    }
}

/**
 * Get everything running
 *
 * @since 1.0
 *
 * @access private
 * @return void
 */

function categories_for_anspress() {
    $discounts = new Categories_For_AnsPress();
}
add_action( 'plugins_loaded', 'categories_for_anspress' );

/**
 * Output question categories
 * @param  array  $args
 * @return string
 */
function ap_question_categories_html($args = array()){

    $defaults  = array(
        'question_id'   => get_the_ID(),
        'list'           => false,
        'tag'           => 'span',
        'class'         => 'question-categories',
        'label'         => __('Categories', 'ap'),
        'echo'          => false
    );


    if(!is_array($args)){
        $defaults['question_id'] = $args;
        $args = $defaults;
    }else{
        $args = wp_parse_args( $args, $defaults );
    }

    $cats = get_the_terms( $args['question_id'], 'question_category' );

    if($cats){
        $o = '';
        if($args['list']){
            $o = '<ul class="'.$args['class'].'">';
            foreach($cats as $c){
                $o .= '<li><a href="'.esc_url( get_term_link($c)).'" title="'.$c->description.'">'. $c->name .'</a></li>';
            }
            $o .= '</ul>';

        }else{
            $o = $args['label'];
            $o .= '<'.$args['tag'].' class="'.$args['class'].'">';
            foreach($cats as $c){
                $o .= '<a href="'.esc_url( get_term_link($c)).'" title="'.$c->description.'">'. $c->name .'</a>';
            }
            $o .= '</'.$args['tag'].'>';
        }
        if($args['echo'])
            echo $o;

        return $o;
    }

}


function ap_category_details(){

    $var = get_query_var('question_category');

    $category = get_term_by('slug', $var, 'question_category');

    echo '<div class="clearfix">';
    echo '<h3><a href="'.get_category_link( $category ).'">'. $category->name .'</a></h3>';
    echo '<div class="ap-taxo-meta">';
    echo '<span class="count">'. $category->count .' '.__('Questions', 'ap').'</span>';
    echo '<a class="aicon-rss feed-link" href="' . get_term_feed_link($category->term_id, 'question_category') . '" title="Subscribe to '. $category->name .'" rel="nofollow"></a>';
    echo '</div>';
    echo '</div>';

    echo '<p class="desc clearfix">'. $category->description .'</p>';

    $child = get_terms( array('taxonomy' => 'question_category'), array( 'parent' => $category->term_id, 'hierarchical' => false, 'hide_empty' => false ));

    if($child) :
        echo '<ul class="ap-child-list clearfix">';
            foreach($child as $key => $c) :
                echo '<li><a class="taxo-title" href="'.get_category_link( $c ).'">'.$c->name.'<span>'.$c->count.'</span></a>';
                echo '</li>';
            endforeach;
        echo'</ul>';
    endif;
}
function ap_sub_category_list($parent){
    $categories = get_terms( array('taxonomy' => 'question_category'), array( 'parent' => $parent, 'hide_empty' => false ));

    if($categories){
        echo '<ul class="ap-sub-taxo ap-ul-inline clearfix">';
        foreach ($categories as $cat){
            echo '<li><a href="'.get_category_link( $cat ).'">' .$cat->name.'<span>'.$cat->count.'</span></a></li>';
        }
        echo '</ul>';
    }
}

function ap_question_have_category($post_id = false){
    if(!$post_id)
        $post_id = get_the_ID();


    $categories = wp_get_post_terms( $post_id, 'question_category');
    if(!empty($categories))
        return true;

    return false;
}


/**
 * Check if anspress categories page
 * @return boolean
 * @since  1.0
 */
if(!function_exists('is_question_categories')){
    function is_question_categories(){
        if('categories' == get_query_var( 'ap_page' ))
            return true;

        return false;
    }
}

if(!function_exists('is_question_category')){
    function is_question_category(){
        if('category' == get_query_var( 'ap_page' ))
            return true;

        return false;
    }
}

function ap_category_sorting(){
    $args = array(
        'hierarchical'      => true,
        'hide_if_empty'     => true,
        'number'            => 10,
    );

    $terms = get_terms('question_category', $args);
    $selected = isset($_GET['ap_cat_sort']) ? (int) $_GET['ap_cat_sort'] : '';
    if($terms){
        echo '<div class="ap-dropdown">';
            echo '<a id="ap-sort-anchor" class="ap-dropdown-toggle'.($selected != '' ? ' active' : '').'" href="#">'.__('Category', 'ap').'</a>';
            echo '<div class="ap-dropdown-menu">';
            foreach ($terms as $t) {
                echo '<li '.($selected == $t->term_id ? 'class="active" ' : '').'><a href="#" data-value="'.$t->term_id.'">'. $t->name .'</a></li>';
            }
            echo '<input name="ap_cat_sort" type="hidden" value="'.$selected.'" />';
            echo '</div>';
        echo '</div>';
    }
}

function ap_get_category_image($term_id){
    $option = get_option( 'ap_cat_'.$term_id );
    $color = isset($option['ap_color']) && $option['ap_color'] != '' ? ' style="background:'.$option['ap_color'].'"' : ' style="background:#333"';
    if(isset($option['ap_image']['url']) && $option['ap_image']['url'] != ''){
        echo '<img class="ap-category-image" src="'.$option['ap_image']['url'].'" />';
    }elseif(isset($option['ap_icon']) && $option['ap_icon'] != ''){
        echo '<span class="ap-category-icon '.$option['ap_icon'].'"'.$color.'></span>';
    }else{
        echo '<span class="ap-category-icon apicon-category"'.$color.'></span>';
    }

}