/**

 * Interface Elements for jQuery

 * FX - transfer

 * 

 * http://interface.eyecon.ro

 * 

 * Copyright (c) 2006 Stefan Petre

 * Dual licensed under the MIT (MIT-LICENSE.txt) 

 * and GPL (GPL-LICENSE.txt) licenses.

 *   

 *

 */

jQuery.transferHelper = null;

/**

 * 

 * @name TransferTo

 * @description Animates an new build element to simulate a transfer action from one element to other

 * @param Hash hash A hash of parameters

 * @option Mixed to DOMElement or element ID to transfer to

 * @option String className CSS class to apply to transfer element

 * @option String duration animation speed, integer for miliseconds, string ['slow' | 'normal' | 'fast']

 * @option Function callback (optional) A function to be executed whenever the animation completes.

 *

 * @type jQuery

 * @cat Plugins/Interface

 * @author Stefan Petre

 */

jQuery.fn.TransferTo = function(o)

{

	return this.queue('interfaceFX', function(){

		new jQuery.fx.itransferTo(this, o);

	});

};

jQuery.fx.itransferTo = function(e, o)

{

	if(jQuery.transferHelper == null)

	{

		jQuery('body', document).append('<div id="transferHelper"></div>');

		jQuery.transferHelper = jQuery('#transferHelper');

	}

	jQuery.transferHelper.css('display', 'block').css('position', 'absolute');

	var z = this;

	z.el = jQuery(e);

	if(!o || !o.to) {

		return;

	}

	if (o.to.constructor == String && document.getElementById(o.to)) {

		o.to = document.getElementById(o.to);

	} else if ( !o.to.childNodes ) {

		return;

	}

	if (!o.duration) {

		o.duration = 500;

	}

	z.duration = o.duration;

	z.to = o.to;

	z.classname = o.className;

	z.complete = o.complete;

	if (z.classname) {

		jQuery.transferHelper.addClass(z.classname);

	}

	z.diffWidth = 0;

	z.diffHeight = 0;

	if(jQuery.boxModel) {

		z.diffWidth = (parseInt(jQuery.transferHelper.css('borderLeftWidth')) || 0 )

					+ (parseInt(jQuery.transferHelper.css('borderRightWidth')) || 0)

					+ (parseInt(jQuery.transferHelper.css('paddingLeft')) || 0)

					+ (parseInt(jQuery.transferHelper.css('paddingRight')) || 0);

		z.diffHeight = (parseInt(jQuery.transferHelper.css('borderTopWidth')) || 0 )

					+ (parseInt(jQuery.transferHelper.css('borderBottomWidth')) || 0)

					+ (parseInt(jQuery.transferHelper.css('paddingTop')) || 0)

					+ (parseInt(jQuery.transferHelper.css('paddingBottom')) || 0);

	}

	z.start = jQuery.extend(

		jQuery.iUtil.getPosition(z.el.get(0)),

		jQuery.iUtil.getSize(z.el.get(0))

	);

	z.end = jQuery.extend(

		jQuery.iUtil.getPosition(z.to),

		jQuery.iUtil.getSize(z.to)

	);

	z.start.wb -= z.diffWidth;

	z.start.hb -= z.diffHeight;

	z.end.wb -= z.diffWidth;

	z.end.hb -= z.diffHeight;

	z.callback = o.complete;

	// Execute the transfer

	jQuery.transferHelper

		.css('width', z.start.wb + 'px')

		.css('height', z.start.hb + 'px')

		.css('top', z.start.y + 'px')

		.css('left', z.start.x + 'px')

		.animate(

			{

				top: z.end.y,

				left: z.end.x,

				width: z.end.wb,

				height: z.end.hb

			},

			z.duration,

			function()

			{

				// Set correct classname

				if(z.classname)

					jQuery.transferHelper.removeClass(z.classname);

				jQuery.transferHelper.css('display', 'none');

				// Callback

				if (z.complete && z.complete.constructor == Function) {

					z.complete.apply(z.el.get(0), [z.to]);

				}

				// Done

				jQuery.dequeue(z.el.get(0), 'interfaceFX');

			}

		);

};