PHP Classes

File: example.php

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  Classes of Fabian Schmengler   Decorate Anything   ???   Download  
File: ???
Role: Example script
Content type: text/plain
Description: "Hello World" example to demonstrate simple usage
Class: Decorate Anything
Implement the decorator design pattern
Author: By
Last change: made accessible
Date: 14 years ago
Size: 1,059 bytes
 

Contents

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<?php
require 'decorateanything.lib.php';

class Text
{
    private $text = '';
    public function __construct($text)
    {
        $this->text = $text;
    }
    public function draw()
    {
        echo $this->text;
    }
    public function clear()
    {
        $this->text = '';
    }
    public function dump()
    {
        echo '<pre>';
        var_dump($this);
        echo '</pre>';
    }
}

class TextBoldDecorator extends AbstractDecorator
{
    const COMPONENT_CLASS = 'Text';
    public function draw()
    {
        echo '<b>';
        parent::draw();
        echo '</b>';
    }
}

class TextItalicDecorator extends AbstractDecorator
{
    const COMPONENT_CLASS = 'Text';
    public function draw()
    {
        echo '<i>';
        parent::draw();
        echo '</i>';
    }
}

// create decorated object:
$text = new TextItalicDecorator(new TextBoldDecorator(new Text('Hello World')));
// decorated method:
$text->draw();
// original methods:
$text->dump();
$text->clear();
$text->dump();

// information about decorated object:
echo '<strong>Decorated Object:</strong><br><pre>';
var_dump($text);
echo '</pre>';
?>