<?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)
 */

/**
 * Adminhtml grid container block
 *
 * @category   Mage
 * @package    Mage_Adminhtml
 * @author      Magento Core Team <core@magentocommerce.com>
 */

class Mage_Adminhtml_Block_Widget_Grid_Container extends Mage_Adminhtml_Block_Widget_Container
{

    protected $_addButtonLabel;
    protected $_backButtonLabel;
    protected $_blockGroup = 'adminhtml';

    public function __construct()
    {
        if (is_null($this->_addButtonLabel)) {
            $this->_addButtonLabel = $this->__('Add New');
        }
        if(is_null($this->_backButtonLabel)) {
            $this->_backButtonLabel = $this->__('Back');
        }

        parent::__construct();

        $this->setTemplate('widget/grid/container.phtml');

        $this->_addButton('add', array(
            'label'     => $this->getAddButtonLabel(),
            'onclick'   => 'setLocation(\'' . $this->getCreateUrl() .'\')',
            'class'     => 'add',
        ));
    }

    protected function _prepareLayout()
    {
        $this->setChild( 'grid',
            $this->getLayout()->createBlock( $this->_blockGroup.'/' . $this->_controller . '_grid',
            $this->_controller . '.grid')->setSaveParametersInSession(true) );
        return parent::_prepareLayout();
    }

    public function getCreateUrl()
    {
        return $this->getUrl('*/*/new');
    }

    public function getGridHtml()
    {
        return $this->getChildHtml('grid');
    }

    protected function getAddButtonLabel()
    {
        return $this->_addButtonLabel;
    }

    protected function getBackButtonLabel()
    {
        return $this->_backButtonLabel;
    }

    protected function _addBackButton()
    {
        $this->_addButton('back', array(
            'label'     => $this->getBackButtonLabel(),
            'onclick'   => 'setLocation(\'' . $this->getBackUrl() .'\')',
            'class'     => 'back',
        ));
    }

    public function getHeaderCssClass()
    {
        return 'icon-head ' . parent::getHeaderCssClass();
    }

    public function getHeaderWidth()
    {
        return 'width:50%;';
    }
}