ExportPDF.class.php

<?php
# Lifter010: TODO
/**
 * ExportPDF.class.php - create and export or save a pdf with simple HTML-Data
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * @author      Rasmus Fuhse & Peter Thienel
 * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
 * @category    Stud.IP
 */

define('K_PATH_IMAGES', $GLOBALS['STUDIP_BASE_PATH'] . '/public/assets/images/');

/**
 * Class to create an PDF by putting in Stud.IP-formatted code.
 * Usage:
 *
 *  $doc = new ExportPDF();
 *  $doc->addPage();
 *  $doc->addContent('Hallo, %%wir%% benutzen :studip:-Formatierung.');
 *  $doc->dispatch("test_pdf");
 *  //lines following dispatch won't be accessed anymor, because dispatch
 *  //cancels all other output.
 *
 */
class ExportPDF extends TCPDF implements ExportDocument
{
    private $media_proxy = NULL;
    private $config;
    private $defaults = false;
    private $page_added = false;
    private $h_title = '';
    private $h_string = '';
    private $domains;
    static protected $countEndnote = 0;

    /**
     * Create a basic document (without any content so far).
     * @param string $orientation page orientation. Possible values are (case insensitive):<ul><li>P or Portrait (default)</li><li>L or Landscape</li><li>'' (empty string) for automatic orientation</li></ul>
     * @param string $unit User measure unit. Possible values are:<ul><li>pt: point</li><li>mm: millimeter (default)</li><li>cm: centimeter</li><li>in: inch</li></ul><br />A point equals 1/72 of inch, that is to say about 0.35 mm (an inch being 2.54 cm). This is a very common unit in typography; font sizes are expressed in that unit.
     * @param mixed $format The format used for pages. It can be either: one of the string values specified at getPageSizeFromFormat() or an array of parameters specified at setPageFormat().
     * @param boolean $unicode TRUE means that the input text is unicode (default = true)
     * @param String $encoding charset encoding; default is UTF-8
     */
    public function __construct($orientation = 'P', $unit = 'mm', $format = 'A4', $unicode = true, $encoding = 'UTF-8')
    {
        $this->config = Config::GetInstance();
        if ($this->config->getValue('LOAD_EXTERNAL_MEDIA') == 'proxy') {
            $this->media_proxy = new MediaProxy();
        }
        parent::__construct($orientation, $unit, $format, $unicode, $encoding, false);
        $this->getDomains();
        $this->setDefaults();
    }

    /**
     * Adding a new page to the document. This page can contain even more content
     * than for just one page. The pagebreak will be managed by tcpdf. But this function
     * will create a new pagebreak. Needs to be called at least once to addContent.
     * @param string $orientation page orientation. Possible values are (case insensitive):<ul><li>P or Portrait (default)</li><li>L or Landscape</li><li>'' (empty string) for automatic orientation</li></ul>
     * @param mixed $format The format used for pages. It can be either: one of the string values specified at getPageSizeFromFormat() or an array of parameters specified at setPageFormat().
     * @param boolean $keepmargins if true overwrites the default page margins with the current margins
     * @param boolean $tocpage if true set the tocpage state to true (the added page will be used to display Table Of Content).
     */
    public function addPage($orientation = '', $format = '', $keepmargins = false, $tocpage = false)
    {