WidgetContainer - spravuje widgety

WidgetContainer.php

<?php
/**
 * PHP-in' CMS Framework
 *
 * Copyright (c) 2010 Vaclav Vrbka (http://www.php-info.cz)
 *
 * This source file is subject to the "PHP-in' CMS Framework licence".
 * For more information please see http://www.phpin.eu
 */

namespace PHPin\Application;

/**
 * Widget container; parent of all site widgets
 * Provides same functionality as Control and some extra :)
 *
 * @author Vaclav Vrbka
 */
class WidgetContainer extends Control
{
	/** @var array */
	protected $widgets = array();


	/**
	 * Constructor
	 */
	public function __construct(\Nette\IComponentContainer $parent = NULL, $name = NULL)
	{
		parent::__construct($parent, $name);

		\PHPin\Tools::getHooker()->onWidgetContainerCreated($this);
	}


	/**
	 * Adds the specified component to the IComponentContainer.
	 * @param  IComponent
	 * @param  string
	 * @param  string
	 * @return void
	 * @throws \InvalidStateException
	 */

	public function addComponent(\Nette\IComponent $component, $name, $insertBefore = NULL, $priority = 0)
	{
		if(!is_string($name) || strpos($name, ':') === FALSE)
			throw new \InvalidArgumentException("Components without given category are not accepted as widgets ('$name' given).");

		$name = str_replace(':', '_', strtolower($name));

		$cleanName = ltrim(strrchr($name, '_'), '_');
		$category = substr($name, 0, -strlen(strrchr($name, '_')));

		self::$widgets[$category][$priority][] = $cleanName;
		return parent::addComponent($component, $name, $insertBefore);
	}


	/**
	 * Renders all widgets by parameter
	 * @param string $name
	 */
	public function render($name = NULL)
	{
		if(empty($name))
		{
			trigger_error("Missing category in widget rendering!", E_USER_WARNING);
			return;
		}


		$name = str_replace(':', '_', strtolower($name));
		if(!isset(self::$widgets[$name]) || empty(self::$widgets[$name]))
			return;		// No widgets are registed in this category

		krsort(self::$widgets[$name], SORT_NUMERIC);

		foreach(self::$widgets[$name] as $priority => $widgets)
		{
			foreach($widgets as $widget)
			{
				// Render each widget in a group, following priority rules
				$component = $this->getComponent("{$name}_{$widget}");
				$renderMode = ($component instanceof Widget) ? ucfirst($component->renderMode) : NULL;
				$renderParams = ($component instanceof Widget) ? (array) $component->renderParams : array();

				call_user_func_array(array($component, 'render' . $renderMode), $renderParams);
			}
		}
	}


	/**
	 * Calling behavior
	 * @param string $name
	 * @param array $args
	 * @return mixed
	 * @throws MemberAccessException
	 */
	public function __call($name, $args)
	{
		$matches = \Nette\String::match($name, '~^render(.+)~i');

		if($matches)
		{
			return call_user_func_array(array($this, 'render'), array($matches[1]));
		}
		else
			parent::__call($name, $args);
	}
}