editor-xtd plugin

testme.php

<?php
/**
* @author		Johan Sundell <johan@pixpro.net>
* @link			https://www.pixpro.net/labs
* @copyright	Copyright © You Rock AB 2003-2017 All Rights Reserved.
* @license		GNU General Public License version 2 or later; see LICENSE.txt
*/

defined('_JEXEC') or die;

class PlgEditorsXtdTestme extends JPlugin
{
	public function onDisplay( $name )
	{
		$link = 'index.php?option=com_ajax&group=editors-xtd&&plugin=testme&format=html&tmpl=component&name=' . $name;
		
		$button          = new JObject;
		$button->modal   = true;
		$button->class   = 'btn';
		$button->link    = $link;
		$button->text    = JText::_('PLG_EDITORSXTD_TESTME_BUTTON_TEST');
		$button->name    = 'copy';
		$button->options = "{handler: 'iframe', size: {x: 500, y: 300}}";
		
		return $button;
	}
	
	public function onAjaxTestme()
	{
		return '<h1>Works!!</h1>';
	}
}

testme.xml

<?xml version="1.0" encoding="utf-8"?>
<extension version="3.1" type="plugin" group="editors-xtd" method="upgrade">
	<name>plg_editors-xtd_testme</name>
	<author>Johan Sundell</author>
	<creationDate>Sep 2017</creationDate>
	<copyright>Copyright (C) 2017 Johan Sundell All rights reserved.</copyright>
	<license>GNU General Public License version 2 or later; see LICENSE.txt</license>
	<authorEmail>johan@pixpro.net</authorEmail>
	<authorUrl>www.pixpro.net</authorUrl>
	<version>0.0.1</version>
	<description>TODO</description>
	<files>
		<filename plugin="testme">testme.php</filename>
	</files>
</extension>