<?php

/** Press Info
 *
 * @version 1.0.0
 * @since   2009-03-19
 * @author  Martin Lenzelbauer
 */
class PressInfo extends Page{

	var $thumb;	//name of the thumbnail file (without directory)
	var $pdf;
	
	//thumbnail settings
	var $thumbWidth = 50;
	var $thumbHeight = 50;
	var $thumbStretch = false;
	
	
	/** C'tor
	 */
	//------------------------------------------------
	function PressInfo($id, $parent){
	//------------------------------------------------
		parent::Page($id, $parent);
		$this->name = "[unbenannte Presseinfo]";
		$this->thumb = "";
		$this->pdf = "";
		$this->visible = 1;
		$this->buttonDelete = true;
		$this->buttonMove = true;
	}
	
	
	/** @see CmsObject::load()
	 */
	//-----------------------------------------------
	function load($path=array()){
	//-----------------------------------------------	
		parent::load($path);
		if(!$this->classId){
			return;
		}
		$query = sprintf("SELECT * FROM bruckm_pressinfo WHERE id = %d", $this->classId);
		$result = dbQuery($query);
		$line = mysqli_fetch_array($result, MYSQLI_ASSOC);
		if($line['pdf']){
			if(file_exists(PRESS_THUMB_DIR.$this->pdf)){
				$this->pdf = $line['pdf'];
			}
			else{
				logError(4, "PressInfo PDF doesn't exist anymore: $line[pdf]", __FILE__, __LINE__);
			}
		}
		if($line['thumb']){
			if(file_exists(PRESS_THUMB_DIR.$this->thumb)){
				$this->thumb = $line['thumb'];
			}
			else{
				logError(4, "PressInfo thumbnail doesn't exist anymore: $line[thumb]", __FILE__, __LINE__);
			}
		}
	}
	
	
	/** @see Page::doSave() 
	 */
	//----------------------------------------------
	function doSave(){
	//----------------------------------------------
		$query = sprintf("UPDATE bruckm_pressinfo SET thumb = %s, pdf = %s WHERE id = %d",
											sqlstring($this->thumb),
											sqlstring($this->pdf),
											sqlnum($this->classId));
		dbQuery($query);
		parent::doSave();
	}
	
	
	/** @see Page::doCreate()
	 */
	//----------------------------------------------
	function doCreate(){
	//----------------------------------------------
		$query = sprintf("INSERT INTO bruckm_pressinfo (thumb, pdf) VALUES ('', '')");
		dbQuery($query);
		$this->classId = mysql_insert_id();
		parent::doCreate();
		$this->childObjects[] = FlexiconFactory::instanceByClass("PressPage", $this);
		parent::doSave();
	}
	
	
	/** @see Page::doDelete()
	 */
	//-----------------------------------------------
	function doDelete(){
	//-----------------------------------------------
		parent::doDelete();
		$query = sprintf("DELETE FROM bruckm_pressinfo WHERE id = %d LIMIT 1", $this->classId);
		dbQuery($query);
		if(!empty($this->thumb) && file_exists(PRESS_THUMB_DIR.$this->thumb)){
			@unlink(PRESS_THUMB_DIR.$this->thumb);
		}
		if(!empty($this->pdf) && file_exists(PRESS_THUMB_DIR.$this->pdf)){
			@unlink(PRESS_THUMB_DIR.$this->pdf);
		}
	}
	
	
	/** @see Page::install()
	 */
	//-----------------------------------------------
	function install(){
	//-----------------------------------------------		
		$query = sprintf("CREATE TABLE IF NOT EXISTS bruckm_pressinfo (
												id INT UNSIGNED NOT NULL AUTO_INCREMENT, 
												thumb VARCHAR(10) NOT NULL DEFAULT '',
												pdf VARCHAR(10) NOT NULL DEFAULT '',
												PRIMARY KEY (id)
											)");			
		dbQuery($query);
	}
	
	
	/** @see CmsObject::update()
	 */
	//-----------------------------------------------
	function update(){
	//-----------------------------------------------	
		parent::update();
		if($_POST['pressname'] != "[unbenannte Presseinfo]"){
			$this->name= $_POST['pressname'];
		}
		$this->childObjects[0]->setName($this->name);
		if(isset($_FILES['thumb']) && $_FILES['thumb']['error'] == UPLOAD_ERR_OK){
			$this->thumb = $this->uploadPreviewImage($_FILES['thumb']);
		}
		if(isset($_FILES['pdf']) && $_FILES['pdf']['error'] == UPLOAD_ERR_OK){
			$this->pdf = $this->uploadFile($_FILES['pdf']);
		}
	}
	
	
	/** @see CmsObject::doPrintClassContent()
	 */
	//-----------------------------------------------
	function doPrintClassContent(){
	//-----------------------------------------------	
		$t = new Template(CMS_TEMPLATE_DIR."pressinfo.html");
		$t->setVar("NAME", htmlspecialchars($this->name));
		if(empty($this->thumb) || !file_exists(PRESS_THUMB_DIR.$this->thumb)){
			$t->removeBlock("THUMB");
		}
		else{
			$t->setVar("THUMB", PRESS_THUMB_DIR.$this->thumb."?random=".time());
		}
		if(empty($this->pdf) || !file_exists(PRESS_THUMB_DIR.$this->pdf)){
			$t->removeBlock("PDF");
		}
		else{
			$t->setVar("PDF", PRESS_THUMB_DIR.$this->pdf);
		}
		return $t->toString();
	}	
	
	
	/** @see CmsObject::preview()
	 */
	//---------------------------------------------
	function preview(){
	//---------------------------------------------	
		$child = clone($this->childObjects[0]);
		$child->load();
		return $child->preview();
	}	
	
	
	/** @see CmsObject::publish()
	 */
	//---------------------------------------------
	function publish(){
	//---------------------------------------------	
		$load = !$this->childObjects[0]->isLoaded();
		if($load){
			$this->childObjects[0]->load();
		}
		$this->childObjects[0]->publish();
		if($load){
			$this->childObjects[0]->unload();
		}
	}	
	
	
	/** @see Page::canBePublished()																												
	 */
	//----------------------------------------------
	function canBePublished(){
	//----------------------------------------------
		$ok = true;
		if(empty($this->name)){
			$this->addError("Bitte geben Sie einen Titel für die Presseinfo ein!");
			$ok = false;
		}
		if(sizeof($this->childObjects) == 0){
			$this->addError("Bitte legen Sie zuerst eine Seite für die Presseinfo an!");
			$ok = false;
		}
		else if(!$this->childObjects[0]->canBePublished()){
			$this->addError("Die Presseseite ist fehlerhaft!");
			$this->addError($this->childObjects[0]->getErrors());
			$ok = false;
		}
		return $ok;
	}
	
	
	/** @see Element::getCssClass()
	 */
	//------------------------------------------------
	function getCssClass(){
	//------------------------------------------------
		return "itemPressInfo";
	}
	
	
	// === ADDITIONAL METHODS ========================================================= //
	
	
	/** uploads a preview image file
	 * @param file $_FILES file date
	 */
	//------------------------------------------------
	function uploadPreviewImage($file){
	//------------------------------------------------
		
		//remove old image
		if(!empty($this->thumb) && file_exists(PRESS_THUMB_DIR.$this->thumb)){
			@unlink(PRESS_THUMB_DIR.$this->thumb);
		}		
		
		//create target path
		$imgSize = getImageSize($file['tmp_name']);
		switch($imgSize[2]){
			case 1: //gif
				$path = $this->id.".gif";
				break;
			case 2: //jpg
				$path = $this->id.".jpg";
				break;
			case 3: //png
				$path = $this->id.".png";
				break;
			default:
				logError(3, "Unsupported mime type: $file[name] ($imgSize[2])", __FILE__, __LINE__);
				$this->addError("Das Bild verwendet ein nicht unterstütztes Dateiformat oder es ist beschädigt!");
				return "";
		}
		
		//resize image		
		if($imgSize[0] > $this->thumbWidth || $imgSize[1] > $this->thumbHeight){
			switch($imgSize[2]){
				case 1: //gif
					$original = imageCreateFromGif($file['tmp_name']);
					break;
				case 2: //jpg
					$original = imageCreateFromJpeg($file['tmp_name']);
					break;
				case 3:	//png
					$original = imageCreateFromPng($file['tmp_name']);
					break;
			}
			$origWidth = $imgSize[0];
			$origHeight = $imgSize[1];
			$width = $this->thumbWidth;
			$height = $this->thumbHeight;
			$origX = 0;
			$origY = 0;
			//clip image
			if(!$this->thumbStretch){
				if($origWidth > $origHeight){
					$origX = ($origWidth - $origHeight)/2;
					$origWidth = $origHeight;
				}
				else{
					$origY = ($origHeight - $origWidth)/2;
					$origHeight = $origWidth;
				}
			}
			$small = imageCreateTrueColor($width, $height);
			imageCopyResampled($small, $original, 0, 0, $origX, $origY, $width, $height, $origWidth, $origHeight);
			switch($imgSize[2]){
				case 1:
					if(!@imageGif($small, PRESS_THUMB_DIR.$path)){
						logError(4, "Could not create gif image: $path", __FILE__, __LINE__);
						$this->addError("Das Bild konnte nicht erzeugt werden!");
						return "";
					}
					break;
				case 2: 
					if(!@imageJpeg($small, PRESS_THUMB_DIR.$path, 100)){
						logError(4, "Could not create jpg image: $path", __FILE__, __LINE__);
						$this->addError("Das Bild konnte nicht erzeugt werden!");
						return "";
					}
					break;
				case 3:
					if(!@imagePng($small, PRESS_THUMB_DIR.$path)){
						logError(4, "Could not create png image: $path", __FILE__, __LINE__);
						$this->addError("Das Bild konnte nicht erzeugt werden!");
						return "";
					}
					break;
			}
			imageDestroy($small);
			imageDestroy($original);
			@chmod(PRESS_THUMB_DIR.$path, 0777);
		}
		
		//copy image in original size
		else{		
			if(@move_uploaded_file($file['tmp_name'], PRESS_THUMB_DIR.$path)){
				@chmod(PRESS_THUMB_DIR.$path, 0777);
			}
			else{
				logError(4, "Could not copy image: $file[tmp_name] => $path)", __FILE__, __LINE__);
				$this->addError("Das Bild konnte nicht erzeugt werden!");
				return "";
			}
		}
		
		return $path;			
	}
	
	
	/** uploads the pdf file
	 */
	//------------------------------------------
	function uploadFile($file) {
	//------------------------------------------
	
		//remove old pdf
		if(!empty($this->pdf) && file_exists(PRESS_THUMB_DIR.$this->pdf)){
			@unlink(PRESS_THUMB_DIR.$this->pdf);
		}	
		
		$path = $this->id . ".pdf";		
		move_uploaded_file($file["tmp_name"], PRESS_THUMB_DIR . $path);
		
		return $path;
	}
	
	
	/** returns the html template that is selected in the PersonList
	 * @return template
	 */
	//------------------------------------------
	function getTemplate(){
	//------------------------------------------
		if(!$this->parentObj){
			$this->parentObj = FlexiconFactory::instanceById($this->parentId);
		}
		if(!$this->parentObj->isLoaded()){
			$this->parentObj->load();
		}
		return $this->parentObj->getTemplate();
	}
	
	
	/** returns the Menu object
	 * @return Menu
	 */
	//------------------------------------------
	function getMenu(){
	//------------------------------------------
		if(!$this->parentObj){
			$this->parentObj = FlexiconFactory::instanceById($this->parentId);
		}
		if(!$this->parentObj->isLoaded()){
			$this->parentObj->load();
		}
		return $this->parentObj->getMenu();
	}
	
	
	/** prints as list item in PressList
	 * @param alt flag for alternating template
	 * @return string
	 */
	//----------------------------------------
	function publishForPressList($alt){
	//----------------------------------------
		$t = new Template(TEMPLATE_DIR."subparts/pressinfo$alt.html");
		$t->setVar("ID", $this->id);
		$t->setVar("NAME", htmlspecialchars($this->name));
		if(!empty($this->thumb) && file_exists(PRESS_THUMB_DIR.$this->thumb)){
			$t->setVar("THUMB", $this->thumb);
		}
		else{
			$t->setVar("THUMB", "default$alt.jpg");
		}
		return $t->toString();
	}
	
	
	/** provides a pdf version of the page as download
	 */
	//-------------------------------------------
	function downloadPdf(){
	//-------------------------------------------
		// there exists and uploaded pdf file
		if ($this->pdf) {
			header("Location: " . PRESS_THUMB_DIR . $this->pdf);
			return;
		}
		// generate a pdf file on the fly
		$load = !$this->childObjects[0]->isLoaded();
		if($load){
			$this->childObjects[0]->load();
		}
		$this->childObjects[0]->downloadPdf($this->name . ".pdf");
	}
	
};


?>