<?php

/**
 * Dokument-Objekt.<br>
 * Diese Objekt verkoerpert das Root-Objekt in einem DOM-Baum.<br>
 * <br>
 * Dieses Objekt kann Text parsen und seine Unterobjekte selbst erzeugen.<br>
 * 
 * @author Jan Dankert, $Author$
 * @version $Revision$
 * @package openrat.text
 */

require('textClasses/renderer/fpdf.php');
require('textClasses/renderer/Pdf.class.php');

class PdfRenderer
{
	var $linkedObjectIds = array();
	
	/**
	 *
	 * @var Array
	 */
	var $footnotes       = array();
	
	var $pdf;
	
	var $url;
	

	/**
	 * Rendert ein Dokument-Element.
	 *
	 * @param Object $child Element
	 * @return String
	 */
	function renderElement( $child )
	{
		global $conf;
		
				switch( strtolower(get_class($child)) )
				{
					case 'tableofcontentelement':
						break;

					case 'rawelement':
						$this->pdf->Write(5,$child->src);
						
						break;

					case 'textelement':
						
						$this->pdf->Write(5,$child->text,$this->url);
						$this->url = '';
						break;

					case 'footnoteelement':
						break;
						
					case 'macroelement':
						break;
						
					case 'codeelement':
						$this->pdf->ln(10);
						$this->pdf->SetFont('Courier','',12);
						break;

					case 'quoteelement':
						$this->pdf->SetFont('Arial','I',12);
						break;


					case 'paragraphelement':
						$this->pdf->ln(10);
						break;

					case 'speechelement':
						$this->pdf->SetFont('Arial','I',12);
						break;

					case 'linebreakelement':
						$this->pdf->ln(5);
						break;
						
					case 'linkelement':
						$this->url = $child->getUrl();
						$this->pdf->SetTextColor(0, 0, 255); // Blau.
						break;

					case 'imageelement':
						if	( Object::available( $child->objectId ) )
						{
							$this->pdf->ln(5);
							// Breite/oe�he des Bildes bestimmen.
							$image = new File( $child->objectId );
							
							$image->load();
							$image->write();
							$image->getImageSize();
							// $image->width;
							// $image->height;
							
							$this->pdf->Image($image->tmpfile(),$this->pdf->GetX(),$this->pdf->GetY(),0,0,$image->extension());
							$this->pdf->ln($image->height/2.5);
							$this->pdf->ln(5);
							
							unset($image);
						}
						break;

					case 'strongelement':
						$this->pdf->SetFont('Arial','B',12);
						
						break;

					case 'emphaticelement':
						$this->pdf->SetFont('Arial','I',12);
						break;

					case 'insertedelement':
						$this->pdf->SetTextColor(0,255,0);
						break;

					case 'removedelement':
						$this->pdf->SetTextColor(255,0,0);
						break;

					case 'headlineelement':
						$this->pdf->ln(20-(2*$child->level));
						$this->pdf->SetFontSize(20-(2*$child->level));
						
						break;

					case 'tableelement':
						$this->pdf->ln(20);
						break;

					case 'tablelineelement':
						$this->pdf->ln(20);
						break;

					case 'definitionlistelement':
						//$this->pdf->ln(10);
						break;

					case 'definitionitemelement':
						$this->pdf->ln(10);
						if	( !empty($child->key) )
						{
							$this->pdf->SetFont('','U');
							$this->pdf->Write(5,$child->key);
							$this->pdf->SetFont('','');						}
							$this->pdf->Write(5,': ');
						
					case 'tablecellelement':
						break;

					case 'teletypeelement':
						$this->pdf->SetFont('Courier','',12);
						break;
						
					case 'listelement':
						$this->pdf->ln(5);
						break;
						
					case 'numberedlistelement':
						$this->pdf->ln(5);
						break;
						
					case 'listentryelement':
						$this->pdf->ln(5);
						$this->pdf->Write(5,'- ');
						break;

					default:
						break;
				}				

				foreach( $child->children as $c )
				{
					$this->renderElement( $c );
				}
				
				$this->pdf->SetFont('Arial','',12);
				$this->pdf->SetTextColor(0,0,0);
	}


	/**
	 * Rendering des Dokumentes.<br>
	 *
	 * @return String
	 */
	function render()
	{
		$this->pdf = new Pdf();
		$this->pdf->AddPage();
		$this->pdf->SetCreator(OR_TITLE);
		$this->pdf->SetFont('Arial','',12);
		
		#$this->footnotes    = array();
		
		foreach( $this->children as $child )
			$this->renderElement( $child );
			
		#foreach( $this->footnotes as $child )
		#	$this->renderElement( $child );

		return $this->pdf->Output('','S');
	}
}

?>