RainLab.Blog editor type change

Plugin.php

<?php namespace Acme\Site;

use Event;
use Illuminate\Support\Facades\App;
use System\Classes\PluginBase;

/**
 * Site Plugin Information File
 */
class Plugin extends PluginBase
{
	public function pluginDetails()
	{
		return [
			'name'        => 'My site plugin',
			'description' => 'Site config and overrides',
			'author'      => 'Vojta Svoboda',
			'icon'        => 'icon-puzzle-piece'
		];
	}

	public function registerPageSnippets()
	{
		return [
			// register RainLab.Blog components as RainLab.Page snippets
			'RainLab\Blog\Components\Post'       => 'blogPost',
			'RainLab\Blog\Components\Posts'      => 'blogPosts',
			'RainLab\Blog\Components\Categories' => 'blogCategories'
		];
	}

	public function boot()
	{
		// Extend backend fields
		Event::listen('backend.form.extendFields', function($widget) {

			// Only for the RainLab.Blog Posts controller
			if (!$widget->getController() instanceof \RainLab\Blog\Controllers\Posts)
				return;

			// Only for the RainLab.Blog Post model
			if (!$widget->model instanceof \RainLab\Blog\Models\Post)
				return;

			// Update content field
			$widget->addSecondaryTabFields([
				'content' => [
					'tab' => 'rainlab.blog::lang.post.tab_edit',
					'type' => 'richeditor',
					'size' => 'huge'
				]
			]);
		});
	}

}