WPK Visual Composer: register elements

gistfile1.php

/*
Plugin Name: WPK Elements
Plugin URI: http://coderevision.com/wpk-elements
Description: Provides shortcodes for Visual Composer plugin
Version: 1.0.0
Author: wp.kytten
Author URI: http://coderevision.com
License: GPL 3
Text Domain: wpk-elements
*/


// usage: [wpk_subscribe link="#" target="_blank"]Subcribe[/wpk_subscribe]
function wpk_subscribe_link_shortcode($atts, $content = null) {
    $link = '';
    $target = '_blank';
    extract(shortcode_atts(array(
        'link' => '#',
        'target' => '_blank',
    ), $atts));
    return '<div class="button"><a href="'.$link.'" target="'.$target.'">'.$content.'</a></div>';
}
add_shortcode('wpk_subscribe', 'wpk_subscribe_link_shortcode');

add_action( 'vc_before_init', 'wpkRegister_wpkSubscribe' );
function wpkRegisterShortcode_wpkSubscribe() {
    vc_map( array(
        "name" => __( "Wpk Subscribe", "wpk-elements" ),
        "base" => "wpk_subscribe",
        "class" => "",
        "category" => __( "WPK Elements", "wpk-elements"),
//        'admin_enqueue_js' => array(get_template_directory_uri().'/vc_extend/file.js'),
//        'admin_enqueue_css' => array(get_template_directory_uri().'/vc_extend/file.css'),
        "params" => array(
            array(
                "type" => "textarea_html",
                "holder" => "div",
                "class" => "",
                "heading" => __( "RSS Feed URL", "wpk-elements" ),
                "param_name" => "link",
                "value" => __( "#", "wpk-elements" ),
                "description" => __( "Description for foo param.", "wpk-elements" )
            ),
            array(
                "type"        => "dropdown",
                "heading"     => __("Link target"),
                "param_name"  => "target",
                "admin_label" => true,
                "value"       => array(
                    '_self'   => '_self',
                    '_blank'   => '_blank',
                ),
                "std"         => '_self',
                "description" => __("The description")
            ),
            array(
                "type" => "textarea",
                "holder" => "div",
                "class" => "",
                "heading" => __( "Text content", "wpk-elements" ),
                "param_name" => "content",
                "value" => __( "Subscribe", "wpk-elements" ),
                "description" => __( "Description for foo param.", "wpk-elements" )
            ),
        )
    ) );
}