<?php
/**
* @package   ZOO Component
* @file      itemauthor.php
* @version   2.4.10 June 2011
* @author    YOOtheme http://www.yootheme.com
* @copyright Copyright (C) 2007 - 2011 YOOtheme GmbH
* @license   http://www.gnu.org/licenses/gpl-2.0.html GNU/GPLv2 only
*/

/*
	Class: ElementItemAuthor
		The item author element class
*/
class ElementItemAuthor extends Element {

	/*
		Function: hasValue
			Checks if the element's value is set.

	   Parameters:
			$params - render parameter

		Returns:
			Boolean - true, on success
	*/
	public function hasValue($params = array()) {
		return true;
	}
	
	/*
	   Function: edit
	       Renders the edit form field.

	   Returns:
	       String - html
	*/
	public function edit() {
		return null;
	}
		
	/*
		Function: render
			Renders the element.

	   Parameters:
            $params - render parameter

		Returns:
			String - html
	*/
	public function render($params = array()) {
		if (!empty($this->_item)) {
			$author = $this->_item->created_by_alias;
			$user   = $this->app->user->get($this->_item->created_by);

			if (empty($author) && $user) {
				$author = $user->name;
			}
			
			return $author;
		}
	}
	
}