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- <?php // UTF-8 marker äöüÄÖÜ߀
- /**
- * Class PageTemplate for the exercises of the EWA lecture
- * Demonstrates use of PHP including class and OO.
- * Implements Zend coding standards.
- * Generate documentation with Doxygen or phpdoc
- *
- * PHP Version 5
- *
- * @category File
- * @package Pizzaservice
- * @author Bernhard Kreling, <b.kreling@fbi.h-da.de>
- * @author Ralf Hahn, <ralf.hahn@h-da.de>
- * @license http://www.h-da.de none
- * @Release 1.2
- * @link http://www.fbi.h-da.de
- */
- // to do: change name 'PageTemplate' throughout this file
- require_once 'Page.php';
- /**
- * This is a template for top level classes, which represent
- * a complete web page and which are called directly by the user.
- * Usually there will only be a single instance of such a class.
- * The name of the template is supposed
- * to be replaced by the name of the specific HTML page e.g. baker.
- * The order of methods might correspond to the order of thinking
- * during implementation.
- * @author Bernhard Kreling, <b.kreling@fbi.h-da.de>
- * @author Ralf Hahn, <ralf.hahn@h-da.de>
- */
- class Bestellung extends Page
- {
- // to do: declare reference variables for members
- // representing substructures/blocks
- /**
- * TODO: Login Rechte? Wie?
- */
- protected $auswahl_warenkorb = null;
- /**
- * Instantiates members (to be defined above).
- * Calls the constructor of the parent i.e. page class.
- * So the database connection is established.
- *
- * @return none
- */
- protected function __construct()
- {
- parent::__construct();
- // to do: instantiate members representing substructures/blocks
- require_once './divs/auswahl_warenkorb.php';
- $this->auswahl_warenkorb = new Auswahl_Warenkorb($this->database);
- }
- /**
- * Cleans up what ever is needed.
- * Calls the destructor of the parent i.e. page class.
- * So the database connection is closed.
- *
- * @return none
- */
- protected function __destruct()
- {
- parent::__destruct();
- }
- /**
- * Fetch all data that is necessary for later output.
- * Data is stored in an easily accessible way e.g. as associative array.
- *
- * @return none
- */
- protected function getViewData()
- {
- // to do: fetch data for this view from the database
- }
- /**
- * First the necessary data is fetched and then the HTML is
- * assembled for output. i.e. the header is generated, the content
- * of the page ("view") is inserted and -if avaialable- the content of
- * all views contained is generated.
- * Finally the footer is added.
- *
- * @return none
- */
- protected function generateView()
- {
- $this->getViewData();
- $this->generatePageHeader("Bestellung");
- echo <<< EOT
- <div id="site_body">
- <form id="bestellen" action="kunde.php" method="post">
- <fieldset><legend>Bestellung</legend>
- EOT;
- /* INHALT */
- $this->auswahl_warenkorb->generateView("div_auswahl_warenkorb");
- echo <<< EOT
- </fieldset>
- </form>
- EOT;
- $this->generatePageFooter();
- }
- /**
- * Processes the data that comes via GET or POST i.e. CGI.
- * If this page is supposed to do something with submitted
- * data do it here.
- * If the page contains blocks, delegate processing of the
- * respective subsets of data to them.
- *
- * @return none
- */
- protected function processReceivedData()
- {
- parent::processReceivedData();
- // to do: call processReceivedData() for all members
- }
- /**
- * This main-function has the only purpose to create an instance
- * of the class and to get all the things going.
- * I.e. the operations of the class are called to produce
- * the output of the HTML-file.
- * The name "main" is no keyword for php. It is just used to
- * indicate that function as the central starting point.
- * To make it simpler this is a static function. That is you can simply
- * call it without first creating an instance of the class.
- *
- * @return none
- */
- public static function main()
- {
- try {
- $page = new Bestellung();
- $page->processReceivedData();
- $page->generateView();
- }
- catch (Exception $e) {
- header("Content-type: text/plain; charset=UTF-8");
- echo $e->getMessage();
- }
- }
- }
- // This call is starting the creation of the page.
- // That is input is processed and output is created.
- Bestellung::main();
- // Zend standard does not like closing php-tag!
- // PHP doesn't require the closing tag (it is assumed when the file ends).
- // Not specifying the closing ? > helps to prevent accidents
- // like additional whitespace which will cause session
- // initialization to fail ("headers already sent").
- //? >
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