<?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_Downloadable
 * @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 catalog product downloadable items tab links section
 *
 * @category    Mage
 * @package     Mage_Downloadable
 * @author      Magento Core Team <core@magentocommerce.com>
 */
class Mage_Downloadable_Block_Adminhtml_Catalog_Product_Edit_Tab_Downloadable_Samples
    extends Mage_Adminhtml_Block_Widget
{
    /**
     * Class constructor
     *
     */
    public function __construct()
    {
        parent::__construct();
        $this->setTemplate('downloadable/product/edit/downloadable/samples.phtml');
    }

    /**
     * Get model of the product that is being edited
     *
     * @return Mage_Catalog_Model_Product
     */
    public function getProduct()
    {
        return Mage::registry('current_product');
    }

    /**
     * Check block is readonly
     *
     * @return boolean
     */
    public function isReadonly()
    {
         return $this->getProduct()->getDownloadableReadonly();
    }


    /**
     * Retrieve Add Button HTML
     *
     * @return string
     */
    public function getAddButtonHtml()
    {
        $addButton = $this->getLayout()->createBlock('adminhtml/widget_button')
            ->setData(array(
                'label' => Mage::helper('downloadable')->__('Add New Row'),
                'id' => 'add_sample_item',
                'class' => 'add',
            ));
        return $addButton->toHtml();
    }

    /**
     * Retrieve samples array
     *
     * @return array
     */
    public function getSampleData()
    {
        $samplesArr = array();
        $samples = $this->getProduct()->getTypeInstance(true)->getSamples($this->getProduct());
        foreach ($samples as $item) {
            $tmpSampleItem = array(
                'sample_id' => $item->getId(),
                'title' => $this->escapeHtml($item->getTitle()),
                'sample_url' => $item->getSampleUrl(),
                'sample_type' => $item->getSampleType(),
                'sort_order' => $item->getSortOrder(),
            );
            $file = Mage::helper('downloadable/file')->getFilePath(
                Mage_Downloadable_Model_Sample::getBasePath(), $item->getSampleFile()
            );
            if ($item->getSampleFile() && !is_file($file)) {
                Mage::helper('core/file_storage_database')->saveFileToFilesystem($file);
            }
            if ($item->getSampleFile() && is_file($file)) {
                $tmpSampleItem['file_save'] = array(
                    array(
                        'file' => $item->getSampleFile(),
                        'name' => Mage::helper('downloadable/file')->getFileFromPathFile($item->getSampleFile()),
                        'size' => filesize($file),
                        'status' => 'old'
                    ));
            }
            if ($this->getProduct() && $item->getStoreTitle()) {
                $tmpSampleItem['store_title'] = $item->getStoreTitle();
            }
            $samplesArr[] = new Varien_Object($tmpSampleItem);
        }

        return $samplesArr;
    }

    /**
     * Check exists defined samples title
     *
     * @return bool
     */
    public function getUsedDefault()
    {
        return $this->getProduct()->getAttributeDefaultValue('samples_title') === false;
    }

    /**
     * Retrieve Default samples title
     *
     * @return string
     */
    public function getSamplesTitle()
    {
        return Mage::getStoreConfig(Mage_Downloadable_Model_Sample::XML_PATH_SAMPLES_TITLE);
    }

    /**
     * Prepare layout
     *
     */
    protected function _prepareLayout()
    {
        $this->setChild(
            'upload_button',
            $this->getLayout()->createBlock('adminhtml/widget_button')
                ->addData(array(
                    'id'      => '',
                    'label'   => Mage::helper('adminhtml')->__('Upload Files'),
                    'type'    => 'button',
                    'onclick' => 'Downloadable.massUploadByType(\'samples\')'
                ))
        );
    }

    /**
     * Retrieve Upload button HTML
     *
     * @return string
     */
    public function getUploadButtonHtml()
    {
        return $this->getChild('upload_button')->toHtml();
    }

    /**
     * Retrive config json
     *
     * @return string
     */
    public function getConfigJson()
    {
        $this->getConfig()->setUrl(Mage::getModel('adminhtml/url')
            ->addSessionParam()
            ->getUrl('*/downloadable_file/upload', array('type' => 'samples', '_secure' => true)));
        $this->getConfig()->setParams(array('form_key' => $this->getFormKey()));
        $this->getConfig()->setFileField('samples');
        $this->getConfig()->setFilters(array(
            'all'    => array(
                'label' => Mage::helper('adminhtml')->__('All Files'),
                'files' => array('*.*')
            )
        ));
        $this->getConfig()->setReplaceBrowseWithRemove(true);
        $this->getConfig()->setWidth('32');
        $this->getConfig()->setHideUploadButton(true);
        return Mage::helper('core')->jsonEncode($this->getConfig()->getData());
    }

    /**
     * Retrive config object
     *
     * @return Varien_Config
     */
    public function getConfig()
    {
        if(is_null($this->_config)) {
            $this->_config = new Varien_Object();
        }

        return $this->_config;
    }
}
