View file vkclone-0.0.1/protected/components/WebModule.php

<?php
/**
 * An extending of standart WebModule class.
 * Allows to use settings
 */
class WebModule extends CWebModule {
	/**
	 * Meta information about module
	 */
	private $_meta = array();

	/**
	 * Initializes module
	 */
	protected function init() {
		// get meta information from cache or parse meta.xml
		if (($data = Yii::app()->cache->get($this->name.'.meta')) !== false) {
			$this->_meta = $data;
		} else if (file_exists(Yii::getPathOfAlias($this->name).'/meta.xml')) {
			$meta = json_decode(json_encode((array)simplexml_load_file(Yii::getPathOfAlias($this->name).'/meta.xml')), 1);
			$this->flatArray($this->_meta, $meta);
			Yii::app()->cache->set($this->name.'.meta', $this->_meta, 0, new CFileCacheDependency(Yii::getPathOfAlias($this->name).'/meta.xml'));
		}
	}

	/**
	 * Returns meta value
	 * @param string $property Property
	 * @return null|string Null, if property is undefined
	 */
	public function getMeta($property) {
		if (isset($this->_meta[$property]))
			return $this->_meta[$property];
		return null;
	}

	/**
	 * Renders an admin widget
	 */
	public function renderAdminWidget() {
		Yii::app()->controller->renderPartial($this->id.'.views.admin.widget', array(
			'module' => $this,
			'context' => Yii::app()->controller,
		));
	}

	/**
	 * Recursively converts nested array into a flat one with preserved keys connected with connector.
	 * @param array $result Resulting array
	 * @param array $array Source array
	 * @param string $prefix Key's prefix
	 * @param string $connector Levels connector
	 */
	private function flatArray(array &$result, array $array, $prefix = null, $connector = '.') {
		foreach ($array as $key => $value) {
			if (is_array($value))
				$this->flatArray($result, $value, $prefix.$key.$connector, $connector);
			else
				$result[$prefix.$key] = $value;
		}
	}
}