<?php
/**
* @package RSForm! Pro
* @copyright (C) 2007-2019 www.rsjoomla.com
* @license GPL, http://www.gnu.org/copyleft/gpl.html
*/

defined('_JEXEC') or die;

use Joomla\CMS\MVC\View\HtmlView;
use Joomla\CMS\Factory;

class RsformViewSubmissions extends HtmlView
{
	/* @var $params Joomla\Registry\Registry */
	protected $params;

	protected $app;

	public function display($tpl = null)
    {
        $this->app      = Factory::getApplication();
		$this->params 	= $this->app->getParams('com_rsform');
		$this->template = $this->get('detailTemplate');
		
		parent::display($tpl);

        // Build the PDF Document string from the document buffer
        $contents = ob_get_contents();
        ob_end_clean();

        $filename = $this->params->get('export_filename', 'export.pdf');

        // We're using placeholders, load and replace them
        if (strpos($filename, '{') !== false)
		{
			list($replace, $with) = RSFormProHelper::getReplacements($this->app->input->getInt('cid'));

			$filename = str_replace($replace, $with, $filename);
		}

        if (strtolower(substr($filename, -4)) !== '.pdf')
		{
			$filename .= '.pdf';
		}

        // Allow plugins to use their own PDF library
        $this->app->triggerEvent('onRsformPdfView', array($contents, $filename));

        /*
         * Setup external configuration options
         */
        define('K_TCPDF_EXTERNAL_CONFIG', true);

        /*
         * Path options
         */

        // Installation path
        define("K_PATH_MAIN", JPATH_ADMINISTRATOR . '/components/com_rsform/helpers/tcpdf');

        // URL path
        define("K_PATH_URL", JPATH_BASE);

        // Fonts path
        define("K_PATH_FONTS", K_PATH_MAIN . '/fonts/');

        // Cache directory path
        define("K_PATH_CACHE", K_PATH_MAIN . "/cache");

        // Cache URL path
        define("K_PATH_URL_CACHE", K_PATH_URL . "/cache");

        // Images path
        define("K_PATH_IMAGES", K_PATH_MAIN . "/images");

        // Blank image path
        define("K_BLANK_IMAGE", K_PATH_IMAGES . "/_blank.png");

        /*
         * Format options
         */

        // Cell height ratio
        define("K_CELL_HEIGHT_RATIO", 1.25);

        // Magnification scale for titles
        define("K_TITLE_MAGNIFICATION", 1.3);

        // Reduction scale for small font
        define("K_SMALL_RATIO", 2 / 3);

        // Magnication scale for head
        define("HEAD_MAGNIFICATION", 1.1);

        /*
         * Create the pdf document
         */

		if (!class_exists('TCPDF'))
		{
			require_once JPATH_ADMINISTRATOR . '/components/com_rsform/helpers/tcpdf/tcpdf.php';
		}

        $pdf = new TCPDF();
        $pdf->SetMargins(15, 27, 15);
        $pdf->SetAutoPageBreak(true, 25);
        $pdf->SetHeaderMargin(5);
        $pdf->SetFooterMargin(10);
        $pdf->setImageScale(4);

        $document = Factory::getDocument();

        // Set PDF Metadata
        $pdf->SetCreator($document->getGenerator());
        $pdf->SetTitle($document->getTitle());
        $pdf->SetSubject($document->getDescription());
        $pdf->SetKeywords($document->getMetaData('keywords'));

        // Set PDF Header data
        $pdf->setHeaderData('', 0, $document->getTitle(), null);

        // Set RTL
        $lang = Factory::getLanguage();
        $pdf->setRTL($lang->isRTL());

        // Set Font
        $font = 'freesans';
        $pdf->setHeaderFont(array($font, '', 10));
        $pdf->setFooterFont(array($font, '', 8));

        // Initialize PDF Document
        if (is_callable(array($pdf, 'AliasNbPages'))) {
            $pdf->AliasNbPages();
        }
        $pdf->AddPage();

        $pdf->WriteHTML($contents, true);
        $data = $pdf->Output('', 'S');

        // Build the PDF Document string from the document buffer
        header('Content-Type: application/pdf; charset=utf-8');
        header('Content-disposition: inline; filename="' . $filename . '"', true);

        echo $data;

        $this->app->close();
	}
}