<?php
/**
 * @package     Joomla.Plugin
 * @subpackage  Editors-xtd.article
 *
 * @copyright   Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

defined('_JEXEC') or die;

/**
 * Editor Article button
 *
 * @since  1.5
 */
class PlgButtonArticle extends JPlugin
{
	/**
	 * Load the language file on instantiation.
	 *
	 * @var    boolean
	 * @since  3.1
	 */
	protected $autoloadLanguage = true;

	/**
	 * Display the button
	 *
	 * @param   string  $name  The name of the button to add
	 *
	 * @return  JObject  The button options as JObject
	 *
	 * @since   1.5
	 */
	public function onDisplay($name)
	{
		$input = JFactory::getApplication()->input;
		$user  = JFactory::getUser();

		// Can create in any category (component permission) or at least in one category
		$canCreateRecords = $user->authorise('core.create', 'com_content')
			|| count($user->getAuthorisedCategories('com_content', 'core.create')) > 0;

		// Instead of checking edit on all records, we can use **same** check as the form editing view
		$values = (array) JFactory::getApplication()->getUserState('com_content.edit.article.id');
		$isEditingRecords = count($values);

		// This ACL check is probably a double-check (form view already performed checks)
		$hasAccess = $canCreateRecords || $isEditingRecords;
		if (!$hasAccess)
		{
			return;
		}

		$link = 'index.php?option=com_content&amp;view=articles&amp;layout=modal&amp;tmpl=component&amp;'
			. JSession::getFormToken() . '=1&amp;editor=' . $name;

		$button = new JObject;
		$button->modal   = true;
		$button->class   = 'btn';
		$button->link    = $link;
		$button->text    = JText::_('PLG_ARTICLE_BUTTON_ARTICLE');
		$button->name    = 'file-add';
		$button->options = "{handler: 'iframe', size: {x: 800, y: 500}}";

		return $button;
	}
}