<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @category    Mage
 * @package     Mage_Adminhtml
 * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

/**
 * Catalog textarea attribute WYSIWYG button
 *
 * @category   Mage
 * @package    Mage_Adminhtml
 * @author     Magento Core Team <core@magentocommerce.com>
 */
class Mage_Adminhtml_Block_Catalog_Helper_Form_Wysiwyg extends Varien_Data_Form_Element_Textarea
{
    /**
     * Retrieve additional html and put it at the end of element html
     *
     * @return string
     */
    public function getAfterElementHtml()
    {
        $html = parent::getAfterElementHtml();
        if ($this->getIsWysiwygEnabled()) {
            $disabled = ($this->getDisabled() || $this->getReadonly());
            $html .= Mage::getSingleton('core/layout')
                ->createBlock('adminhtml/widget_button', '', array(
                    'label'   => Mage::helper('catalog')->__('WYSIWYG Editor'),
                    'type'    => 'button',
                    'disabled' => $disabled,
                    'class' => ($disabled) ? 'disabled btn-wysiwyg' : 'btn-wysiwyg',
                    'onclick' => 'catalogWysiwygEditor.open(\''.Mage::helper('adminhtml')->getUrl('*/*/wysiwyg').'\', \''.$this->getHtmlId().'\')'
                ))->toHtml();
        }
        return $html;
    }

    /**
     * Check whether wysiwyg enabled or not
     *
     * @return boolean
     */
    public function getIsWysiwygEnabled()
    {
        if (Mage::helper('catalog')->isModuleEnabled('Mage_Cms')) {
            return (bool)(Mage::getSingleton('cms/wysiwyg_config')->isEnabled()
                && $this->getEntityAttribute()->getIsWysiwygEnabled());
        }

        return false;
    }
}

