<?php


/*


 * Security check


 * Exit if file accessed directly.


 */

if ( ! defined( 'ABSPATH' ) ) {


	exit;

}








/*


 * Playbuzz TinyMCE Plugin


 * TinyMCE plugin for playbuzz on WordPress editor.


 *


 * @since 0.4.0


 */

class PlaybuzzTinyMCE {




	public $name = 'playbuzz';




	/*

	* Constructor

	*/


	function __construct() {

		add_action( 'admin_init', array( $this, 'init' ) );

	}




	/*

    * Create TinyMCE

	*/


	function init() {

		global $wp_version;

		// Check WordPress Version (We need WordPress 3.9 to use TinyMCE 4.0)

		if ( $wp_version < 3.9 ) {

			return;
		}

		// Check if the user has editing privilege

		if ( ! current_user_can( 'edit_posts' ) && ! current_user_can( 'edit_pages' ) ) {

			return;
		}

		// Check if the user uses rich editing

		if ( 'false' == get_user_option( 'rich_editing' ) ) {

			return;
		}

		// Add playbuzz button to the TinyMCE editor

		add_filter( 'mce_buttons', array( $this, 'register_tinymce_button' ) );

		// Register TinyMCE editor style CSS

		add_filter( 'mce_css', array( $this, 'register_tinymce_css' ) );

		// Register TinyMCE JavaScript

		add_filter( 'mce_external_plugins', array( $this, 'register_tinymce_js' ) );

	}




	/*

	* Add playbuzz button to the TinyMCE editor

	*/


	function register_tinymce_button( $buttons ) {

		array_push( $buttons, $this->name );

		return $buttons;

	}




	/*

	* Register TinyMCE editor style CSS

	*/


	function register_tinymce_css( $mce_css ) {

		// If the site has other css, add a comma

		if ( ! empty( $mce_css ) ) {

			$mce_css .= ',';
		}

		// Add playbuzz TinyMCE editor css

		$mce_css .= plugins_url( 'css/tinymce-visual-editor.css', __FILE__ );

		if ( is_rtl() ) {

			$mce_css .= ',' . plugins_url( 'css/tinymce-visual-editor-rtl.css', __FILE__ );

		}

		// Return the css list

		return $mce_css;

	}




	/*

	* Register TinyMCE JavaScript

	*/


	function register_tinymce_js( $plugin_array ) {

		$plugin_array[ $this->name ] = plugins_url( 'js/playbuzz-tinymce.js' , __FILE__ );

		return $plugin_array;

	}



}


new PlaybuzzTinyMCE();