mPDF.php

<?php

namespace PdfResponse;

/**
 * PdfResponse
 * -----------
 * Wrapper of mPDF.
 * Generate PDF from Nette Framework in one line.
 *
 * @author     Jan Kuchař
 * @copyright  Copyright (c) 2010 Jan Kuchař (http://mujserver.net)
 * @license    LGPL
 * @link       http://addons.nettephp.com/cs/pdfresponse
 */

/**
 * Extended version of mPDF
 *  - added support for JavaScript
 *  - shortcut for opening print dialog
 */
class mPDF extends \mPDF {

    // <editor-fold defaultstate="collapsed" desc="JavaScript support - use $mpf->IncludeJS($yourScript)">
    var $javascript = "";
    var $n_js;


    function IncludeJS($script) {
	$this->javascript.=$script;
    }


    function _putjavascript() {
	$this->_newobj();
	$this->n_js = $this->n;
	$this->_out('<<');
	$this->_out('/Names [(EmbeddedJS) ' . ($this->n + 1) . ' 0 R]');
	$this->_out('>>');
	$this->_out('endobj');
	$this->_newobj();
	$this->_out('<<');
	$this->_out('/S /JavaScript');
	$this->_out('/JS ' . $this->_textstring($this->javascript));
	$this->_out('>>');
	$this->_out('endobj');
    }


    function _putresources() {
	parent::_putresources();
	if (!empty($this->javascript)) {
	    $this->_putjavascript();
	}
    }


    function _putcatalog() {
	parent::_putcatalog();
	if (!empty($this->javascript)) {
	    $this->_out('/Names <</JavaScript ' . ($this->n_js) . ' 0 R>>');
	}
    }


    // </editor-fold>

    function OpenPrintDialog() {
	$this->IncludeJS("print();");
    }
}