<?php

/**
 * @file ControllerAjax.php
 * This file is part of PROJECT.
 * 
 * @brief Description
 *
 * @author Guillaume Pasquet <hide@address.com>
 *
 * @version 1.0
 * @date  8 November 2010
 *
 * Copyright (C)2010 PROPRIETOR
 * 
 * OTHER T&C IF ANY
 */

class ControllerAjax extends ControllerBase
{
	protected $funclist = array();
	protected static $instance;

	public function __construct()
	{
		parent::__construct();
	}

	public static function getInstance()
	{
		if(!is_object(self::$instance)) {
			self::$instance = new ControllerAjax();
		}
		return self::$instance;
	}

	/**
	 * Generates the javascript part of the ajax.
	 */
	public function genJs()
	{
		if(empty($this->funclist)) {
			return '';
		}
		
		$buffer = '<script type="text/javascript">';
		foreach($this->funclist as $funcdef) {
			$parlist = implode(', ', $funcdef['params']);

			$buffer .= "function " . $funcdef['object'] . '_'
				. $funcdef['funcname'] . "(${parlist}) {";
			$buffer .= "movim_ajaxSend('".$funcdef['object']."', '".$funcdef['funcname']."', [${parlist}]);}\n";

		}
		return $buffer . "</script>\n";
	}

	/**
	 * Defines a new function.
	 */
	public function defun($widget, $funcname, array $params)
	{
		$this->funclist[] = array(
			'object' => $widget,
			'funcname' => $funcname,
			'params' => $params,
			);
	}
}

?>