<?
public function createCustomPostType() {
        $labels = array(
            'name' => _x( 'Portfolio', 'post type general name' ),
            'singular_name' => _x( 'Portfolio', 'post type singular name'),
            'add_new' => _x( 'Add New', 'Portfolio' ),
            'add_new_item' => __( 'Add New Portfolio' ),
            'edit_item' => __( 'Edit Portfolio' ),
            'new_item' => __( 'New Portfolio' ),
            'all_items' => __( 'All Portfolio' ),
            'view_item' => __( 'View Portfolio' ),
            'search_items' => __( 'Search Portfolio' ),
            'not_found' =>  __( 'No Portfolio found' ),
            'not_found_in_trash' => __( 'No Portfolio found in Trash' ), 
            'parent_item_colon' => '',
            'menu_name' => __( 'Portfolio' )
 
        );
        $args = array(
            'labels' => $labels,
            'public' => true,
            'publicly_queryable' => true,
            'show_ui' => true, 
            'show_in_menu' => true, 
            'query_var' => true,
            'rewrite' => array( 'slug'=> 'portfolio' ),
            'capability_type' => 'post',
            'has_archive' => true, 
            'hierarchical' => false,
            'menu_position' => 100,
            'supports' => array( 'title', 'editor', 'author', 'thumbnail', 'excerpt' )
        );
         
        $catLabels = array(
            'name'              => _x( 'Portfolio Categories', 'taxonomy general name' ),
            'singular_name'     => _x( 'Portfolio Category', 'taxonomy singular name' ),
            'search_items'      => __( 'Search Portfolio Categories' ),
            'all_items'         => __( 'All Portfolio Categories' ),
            'parent_item'       => __( 'Parent Portfolio Category' ),
            'parent_item_colon' => __( 'Parent Portfolio Category:' ),
            'edit_item'         => __( 'Edit Portfolio Category' ),
            'update_item'       => __( 'Update Portfolio Category' ),
            'add_new_item'      => __( 'Add Portfolio Category' ),
            'new_item_name'     => __( 'New Portfolio Category' ),
            'menu_name'         => __( 'Portfolio Categories' ),
        );
 
        $catArgs = array(
            'hierarchical'      => true,
            'labels'            => $catLabels,
            'show_ui'           => true,
            'show_admin_column' => true,
            'query_var'         => true,
            'rewrite'           => array( 'slug' => 'portfolio-category' ),
        );
         
        register_post_type( 'portfolio', $args );
                 
        register_taxonomy( 'portfolio-category', array( 'portfolio' ), $catArgs );
         
        flush_rewrite_rules();
    }
	
public function insertScripts() {
        $url = plugins_url();
        $assetsURL = $url . '/tf-portfolio/assets/';
         
        wp_enqueue_style( 'portfolio', $assetsURL . 'css/portfolio.css' );
        wp_enqueue_style( 'colorbox', $assetsURL . 'js/colorbox/colorbox.css' );
        wp_enqueue_script( 'colorbox', $assetsURL . 'js/colorbox/jquery.colorbox.min.js', array( 'jquery' ), '1.3.21', false );
        wp_enqueue_script( 'portfolio', $assetsURL . 'js/portfolio.js', array( 'jquery' ), '1.0', false );
}

public function portfolioShortcode() {
        $html = '<div id="portfolio-items">' . "\n";
        $loop = new WP_Query( array( 'post_type' => 'portfolio', 'posts_per_page' => -1 ) );
         
        while( $loop->have_posts() ) {
            $loop->the_post();
            $id = get_the_ID();
            $title = get_the_title();
            $excerpt = strip_tags( get_the_excerpt() );
            $thumb_id = get_post_thumbnail_id( $id );
            $image_full = wp_get_attachment_image_src( $thumb_id, 'full' );
            $image_thumb = wp_get_attachment_image_src( $thumb_id, 'large' );
            $permalink = get_permalink();
             
            $html .= '<div class="portfolio-item">' . "\n";
            $html .= '<a href="' . $image_full[0] . '" class="portfolio-lightbox" title="' . $title . '">' . "\n";
            $html .= '<img src="' . $image_thumb[0] . '" alt="" />' . "\n";
            $html .= '</a>' . "\n";
            $html .= '<h2 class="portfolio-title">' . $title . '</h2>' . "\n";
            $html .= '<p class="portfolio-excerpt">' . $excerpt . '</p>' . "\n";
            $html .= '<p class="portfolio-more"><a href="' . $permalink . '">' . __( 'Vedi progetto', 'tf-portfolio' ) . '</a></p>';
            $html .= '</div>'; 
        }
         
        $html .= '</div>';
        wp_reset_query();
        return $html;
    }
	
?>