软件设计原则 - 第三周作业

<?php
interface IComponent {
	public function draw();
}
abstract class  Container implements IComponent {
    protected $components = [];
	public function addComponent(IComponent $component) {
		$this->components[] = $component;
	}
    public function draw() {
        $this->parentDraw();
        /*** @var IComponent $component */
        foreach ($this->components as  $component) {
            $component->draw();
        }
    }
    protected abstract function parentDraw();
}
class Picture implements IComponent{
	public function draw(){ echo "Picture".PHP_EOL;}
}
class WinForm  extends Container
{
    protected function parentDraw(){ echo "WinForm".PHP_EOL;}
}
class Frame  extends Container
{
    protected function parentDraw(){ echo "Frame".PHP_EOL;}
}
class Lable implements  IComponent{
    private $value;
    /**
     * Lable constructor.
     * @param $value
     */
    public function __construct($value)
    {
        $this->value = $value;
    }
    public function draw(){ echo "Lable:".$this->value.PHP_EOL;}
}
class TextBox  implements IComponent
{
    public function draw(){ echo "TextBox".PHP_EOL;}
}
class PasswordBox  implements IComponent
{
    public function draw(){ echo "PasswordBox".PHP_EOL;}
}
class CheckBox  implements IComponent
{
    public function draw(){ echo "CheckBox".PHP_EOL; }
}
class LinkLable  implements IComponent
{
    private $value;
    /**
     * Lable constructor.
     * @param $value
     */
    public function __construct($value)
    {
        $this->value = $value;
    }
    public function draw(){ echo "LinkLable:".$this->value.PHP_EOL; }
}
class Buttion implements IComponent {
    private $value;
    /**
     * Lable constructor.
     * @param $value
     */
    public function __construct($value)
    {
        $this->value = $value;
    }
    public function draw(){ echo "buttion:".$this->value.PHP_EOL;}
}
$winform = new WinForm();
$winform->addComponent(new Picture());
$frame = new Frame();
$frame->addComponent(new Lable('用户名'));
$frame->addComponent(new TextBox());
$frame->addComponent(new Lable('密码'));
$frame->addComponent(new PasswordBox());
$frame->addComponent(new CheckBox());
$frame->addComponent(new LinkLable("忘记密码"));
$winform->addComponent($frame);
$winform->addComponent(new Buttion('登录'));
$winform->addComponent(new Buttion('注册'));
$winform->draw();