referenced blockquotes code

blockquote.php

<?php
/*
Element Description: VC Info Box
 */

// Element Class
class vcblockquote extends WPBakeryShortCode {

	// Element Init
	function __construct() {
		add_action( 'init', array( $this, 'vc_blockquote_mapping' ) );
		add_shortcode( 'vc_blockquote', array( $this, 'vc_blockquote_html' ) );
	}

	// Element Mapping
	public function vc_blockquote_mapping() {

		// Stop all if VC is not enabled
		if ( !defined( 'WPB_VC_VERSION' ) ) {
			return;
		}

		// Map the block with vc_map()
		vc_map(
			array(
				'name' => __('Blockquote', 'text-domain'),
				'base' => 'vc_blockquote',
				'description' => __('Blockquote', 'text-domain'),
				'category' => __('My Custom Elements', 'text-domain'),
				'params' => array(
					array(
						"type"        => "dropdown",
						"admin_label" => TRUE,
						"class"       => "",
						"value"       => array("Light" => "", "Dark" => "blockquote-dark"),
						"heading"     => __( "Style", 'style' ),
						"param_name"  => "style",
						"description" => "Select light or dark style"
					),

					array(
						"type"        => "textarea_html",
						"admin_label" => TRUE,
						"heading"     => "Quote",
						"param_name"  => "content",
						"description" => "A short quote."
					),

					array(
						"type"        => "textfield",
						"admin_label" => TRUE,
						"heading"     => "Attribution",
						"param_name"  => "attribution",
						"description" => "Who this quote is attributed to."
					),
				)
			)
		);

	}


	// Element HTML
	public function vc_blockquote_html( $atts, $content = null ) {

		extract( shortcode_atts( array (
			'style' => '',
			'attribution' => ''
		), $atts) );

		return "<div class='blockquote_container'><blockquote class='${style}'>${content}<cite class='attribution'>${attribution}</cite></blockquote></div>";

	}

} // End Element Class

// Element Class Init
new vcblockquote();

?>