decorator.php

来自「Professional PHP5 code for this book」· PHP 代码 · 共 29 行

<?php
require_once ("abstract_widget.php");
require_once ("closebox_decorator.php");
require_once ("border_decorator.php");
require_once ("observable.php");

$dat = new DataSource();
$widgetA = new BasicWidget();
$widgetB = new FancyWidget();

$widgetB = new BorderDecorator($widgetB);
$widgetB = new CloseBoxDecorator($widgetB);

$widgetA = new CloseBoxDecorator($widgetA);
$widgetA = new BorderDecorator($widgetA);

$dat->addObserver($widgetA);
$dat->addObserver($widgetB);

$dat->addRecord("drum", "$12.95", 1955);
$dat->addRecord("guitar", "$13.95", 2003);
$dat->addRecord("banjo", "$100.95", 1945);
$dat->addRecord("piano", "$120.95", 1999);

$widgetB->draw();
echo "<br>";
$widgetA->draw();
?>