<?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_Widget
 * @copyright   Copyright (c) 2011 Magento Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

/**
 * Widget Instance Properties tab block
 *
 * @category    Mage
 * @package     Mage_Widget
 * @author      Magento Core Team <core@magentocommerce.com>
 */
class Mage_Widget_Block_Adminhtml_Widget_Instance_Edit_Tab_Properties
    extends Mage_Widget_Block_Adminhtml_Widget_Options
    implements Mage_Adminhtml_Block_Widget_Tab_Interface
{
    /**
     * Prepare label for tab
     *
     * @return string
     */
    public function getTabLabel()
    {
        return Mage::helper('widget')->__('Widget Options');
    }

    /**
     * Prepare title for tab
     *
     * @return string
     */
    public function getTabTitle()
    {
        return Mage::helper('widget')->__('Widget Options');
    }

    /**
     * Returns status flag about this tab can be showen or not
     *
     * @return true
     */
    public function canShowTab()
    {
        return $this->getWidgetInstance()->isCompleteToCreate();
    }

    /**
     * Returns status flag about this tab hidden or not
     *
     * @return true
     */
    public function isHidden()
    {
        return false;
    }

    /**
     * Getter
     *
     * @return age_Widget_Model_Widget_Instance
     */
    public function getWidgetInstance()
    {
        return Mage::registry('current_widget_instance');
    }

    /**
     * Prepare block children and data.
     * Set widget type and widget parameters if available
     *
     * @return Mage_Widget_Block_Adminhtml_Widget_Instance_Edit_Tab_Properties
     */
    protected function _preparelayout()
    {
        $this->setWidgetType($this->getWidgetInstance()->getType())
            ->setWidgetValues($this->getWidgetInstance()->getWidgetParameters());
        return parent::_prepareLayout();
    }

    /**
     * Add field to Options form based on option configuration
     *
     * @param Varien_Object $parameter
     * @return Varien_Data_Form_Element_Abstract
     */
    protected function _addField($parameter)
    {
        if ($parameter->getKey() != 'template') {
            return parent::_addField($parameter);
        }
        return false;
    }
}
