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<?php   // UTF-8 marker äöüÄÖÜß€
/**
 * 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 PageTemplate extends Page
{
    // to do: declare reference variables for members
    // representing substructures/blocks

    protected $pizzaName;
    protected $pizzaPfad;
    protected $pizzaPreis;

    /**
     * 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

        $pizzaName = array();
        $pizzaPfad = array();
        $pizzaPreis = array();
    }

    /**
     * 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('Bestelung');
        // to do: call generateView() for all members
        // to do: output view of this page
        $this->generateEchoView();
        $this->generatePageFooter();
    }

    protected function generateEchoView() {
        echo <<<EOT
        <body>
    <div class="webseite">
        <header class="header roundedCorners white background">
            <h1>Pizza</h1>
        </header>
        <div class="main">
            <nav class="menue roundedCorners white background">
                <p><a href="baecker.html" class="white">Baecker</a></p>
                <p><a href="bestellung.html"class="white">Bestellung</a></p>
                <p><a href="fahrer.html"class="white">Fahrer</a></p>
                <p><a href="kunde.html"class="white">Kunde</a></p>
            </nav>
            <main class="inhalt roundedCorners white background">
                <div class="row">
EOT;

$this->insert_pizza();

        echo <<<EOT
        </div>
                <div class="wahrenkorb">
                <form action="https://www.fbi.h-da.de/cgi-bin/Echo.pl" id="form1" accept-charset="UTF-8" method="POST">
                    <select id="korb" name="warenkorb" size="5" >
                    </select> </br>
                    <label> Vorname: </br>
                        <input type="text" name="first" size="30" maxlength="40" placeholder="Vorname" />
                    </label> </br>
                    <label> Nachname: </br>
                        <input type="text" name="last" size="30" maxlength="40" placeholder="Nachname"  />
                    </label> </br>
                    <label> Stadt: </br>
                        <input type="text" name="city" size="30" maxlength="40" placeholder="Stadt"  />
                    </label> </br>
                    <label> Strasse: </br>
                        <input type="text" name="street" size="30" maxlength="40" placeholder="Strasse"  />
                    </label> </br>
                    <label> Email: </br>
                        <input type="text" name="email" size="30" maxlength="40" placeholder="Email"  />
                    </label>
                </form>
                </div>
                <div>
                    <input type="submit" name="Bestellen" onclick="sel()"/>
                    <button onclick="del()">Löschen</button>
                </div>

            </main>
        </div>
        <footer class="footer roundedCorners white background">

        </footer>
    </div>
</body>
EOT;
    }

    protected function insert_pizza() {
        static $id = 0;
        for($i = 0; $i < count($this->pizzaName); $i++) {
            echo <<<EOT
            <div id="$id" data-name="$this->pizzaName[$i]" data-preis="$this->pizzaPreis[$i]" onclick="addCart()"><img class="img" src="$this->pizzaPfad[$i]" /></div>
EOT;
        }
    }
    /**
     * 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 PageTemplate();
            $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.
PageTemplate::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").
//? >