editor-experiments.php

<?php

/*
Plugin Name: Editor Experiments
Plugin URI: http://wordpress.org/plugins/editor-experiments/
Description: TinyMCE blocks.
Author: Janneke Van Dorpe
Author URI: http://profiles.wordpress.org/avryl/
Version: 0.1
Text Domain: editor-experiments
License: GPLv2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
*/

if ( ! class_exists( 'Editor_Experiments' ) ) {

	class Editor_Experiments {
		const WP_VERSION = '4.0-beta3-29445-src';

		function __construct() {
			if ( is_admin() ) {
				add_filter( 'mce_css', array( $this, 'mce_css' ) );

				add_action( 'tiny_mce_plugins', array( $this, 'tiny_mce_plugins' ) );
				add_action( 'mce_external_plugins', array( $this, 'mce_external_plugins' ) );
				add_action( 'wp_enqueue_editor', array( $this, 'wp_enqueue_editor' ) );
				add_action( 'mce_buttons', array( $this, 'mce_buttons' ), 10, 2 );
				add_action( 'mce_buttons_2', array( $this, 'mce_buttons_2' ), 10, 2 );
				add_action( 'tiny_mce_before_init', array( $this, 'tiny_mce_before_init' ) );
				add_action( 'admin_enqueue_scripts', array( $this, 'admin_enqueue_scripts' ) );
			}
		}

		static function admin_notices() {
			echo '<div class="error"><p>Please update WordPress to <strong>' . self::WP_VERSION . '</strong> to activate the editor experiments.</p></div>';
		}

		function mce_css( $css ) {
			$css = explode( ',', $css );

			array_push( $css, plugins_url( 'tinymce.content.css?ver=' . urlencode( time() ), __FILE__ ) );

			return implode( ',', $css );
		}

		function tiny_mce_plugins( $plugins ) {
			return array_diff( $plugins, array( 'wordpress', 'wpfullscreen', 'wpview' ) );
		}

		function mce_external_plugins( $plugins ) {
			$plugins['wpview'] = plugins_url( 'tinymce.view.js', __FILE__ );
			$plugins['general'] = plugins_url( 'tinymce.general.js', __FILE__ );
			$plugins['insert'] = plugins_url( 'tinymce.insert.js', __FILE__ );
			$plugins['toolbar'] = plugins_url( 'tinymce.toolbar.js', __FILE__ );
			$plugins['title'] = plugins_url( 'tinymce.title.js', __FILE__ );
			$plugins['wordpress'] = plugins_url( 'tinymce.wordpress.js', __FILE__ );
			$plugins['wpfullscreen'] = plugins_url( 'tinymce.fullscreen.js', __FILE__ );

			return $plugins;
		}

		function wp_enqueue_editor( $args ) {
			wp_enqueue_style( 'editor', plugins_url( 'editor.css', __FILE__ ) );

			if ( ! empty( $args['tinymce'] ) ) {

			}
		}

		function mce_buttons( $buttons, $id ) {
			return $id === 'content' ? array( 'undo', 'redo', 'fullscreen', 'pastetext', 'removeformat', 'switchmode' ) : $buttons;

			// TODO: 'bullist', 'numlist', 'alignleft', 'aligncenter', 'alignright', 'charmap', 'outdent', 'indent', 'wp_help'
		}

		function mce_buttons_2( $buttons, $id ) {
			return $id === 'content' ? array() : $buttons;
		}

		function tiny_mce_before_init( $init ) {
			global $_shortcodes, $wp_scripts;

			$init['_shortcodes'] = json_encode( $_shortcodes );
			$init['inlineToolbar'] = json_encode( apply_filters( 'mce_buttons_inline', array( 'bold', 'italic', 'strikethrough', 'link', 'unlink', 'blockquote', 'h2', 'h3' ) ) );
			$init['blocks'] = json_encode( apply_filters( 'mce_blocks', array( 'wp_image', 'wp_gallery', 'wp_audio', 'wp_audio_playlist', 'wp_video', 'wp_video_playlist', 'hr', 'wp_more', 'wp_page' ) ) );

			return $init;
		}

		function admin_enqueue_scripts() {
			wp_deregister_script( 'mce-view' );
			wp_deregister_script( 'wp-fullscreen' );
			wp_register_script( 'mce-view', plugins_url( 'wp.mce.view.js', __FILE__ ), array( 'shortcode', 'media-models', 'media-audiovideo', 'wp-playlist', 'jquery-serialize-object' ), false, true );
			wp_register_script( 'wp-fullscreen', plugins_url( 'wp.editor.fullscreen.js', __FILE__ ), array( 'jquery' ), false, true );
		}

		static function shortcode_callback( $attributes, $content, $tag ) {
			global $_shortcodes;

			$defaults = array_map( array( 'Editor_Experiments', 'set_default' ) , $_shortcodes[ $tag ]['attributes'] );

			$attributes = shortcode_atts( $defaults, $attributes, $tag );
			$attributes = array_map( array( 'Editor_Experiments', 'set_false' ) , $attributes );

			return call_user_func( $_shortcodes[ $tag ]['callback'], $attributes, $content, $tag );
		}

		static function set_false( $attribute ) {
			return $attribute === 'false' ? false : $attribute;
		}

		static function set_default( $attribute ) {
			return $attribute['defaults'];
		}
	}

	global $wp_version;

	if ( empty( $wp_version ) || version_compare( $wp_version, Editor_Experiments::WP_VERSION, '<' ) ) {
		add_action( 'admin_notices', array( 'Editor_Experiments', 'admin_notices' ) );

		return;
	}

	new Editor_Experiments;

	function register_shortcode( $tag, $settings ) {
		global $_shortcodes;

		if ( ! is_array( $_shortcodes ) ) {
			$_shortcodes = array();
		}

		$_shortcodes[$tag] = $settings;

		add_shortcode( $tag, array( 'Editor_Experiments', 'shortcode_callback' ) );
	}

	require_once( 'google-maps-block/google-maps-block.php' );
}