Effect.ResizeWindow = Class.create();
Object.extend(Object.extend(Effect.ResizeWindow.prototype, Effect.Base.prototype), {
	initialize: function(win, top, left, width, height) {
		this.window = win;
		this.window.resizing = true;

		var size = win.getSize();
		this.initWidth    = parseFloat(size.width);
		this.initHeight   = parseFloat(size.height);

		var location = win.getLocation();
		this.initTop    = parseFloat(location.top);
		this.initLeft   = parseFloat(location.left);

		this.width    = width != null  ? parseFloat(width)  : this.initWidth;
		this.height   = height != null ? parseFloat(height) : this.initHeight;
		this.top      = top != null    ? parseFloat(top)    : this.initTop;
		this.left     = left != null   ? parseFloat(left)   : this.initLeft;

		this.dx     = this.left   - this.initLeft;
		this.dy     = this.top    - this.initTop;
		this.dw     = this.width  - this.initWidth;
		this.dh     = this.height - this.initHeight;

		this.r2      = $(this.window.getId() + "_row2");
		this.content = $(this.window.getId() + "_content");

		this.contentOverflow = this.content.getStyle("overflow") || "auto";
		this.content.setStyle({overflow: "hidden"});

		// Wired mode
		if (this.window.options.wiredDrag) {
			this.window.currentDrag = win._createWiredElement();
			this.window.currentDrag.show();
			this.window.element.hide();
		}

		this.start(arguments[5]);
	},

	update: function(position) {
		var width  = Math.floor(this.initWidth  + this.dw * position);
		var height = Math.floor(this.initHeight + this.dh * position);
		var top    = Math.floor(this.initTop    + this.dy * position);
		var left   = Math.floor(this.initLeft   + this.dx * position);

		if (window.ie) {
			if (Math.floor(height) == 0)
				this.r2.hide();
			else if (Math.floor(height) >1)
				this.r2.show();
		}
		this.r2.setStyle({height: height});
		this.window.setSize(width, height);
		this.window.setLocation(top, left);
	},

	finish: function(position) {
		// Wired mode
		if (this.window.options.wiredDrag) {
			this.window._hideWiredElement();
			this.window.element.show();
		}

		this.window.setSize(this.width, this.height);
		this.window.setLocation(this.top, this.left);
		this.r2.setStyle({height: null});

		this.content.setStyle({overflow: this.contentOverflow});

		this.window.resizing = false;
	}
});

Effect.ModalSlideDown = function(element) {
	var windowScroll = WindowUtilities.getWindowScroll();
	var height = element.getStyle("height");
	element.setStyle({top: - (parseFloat(height) - windowScroll.top) + "px"});

	element.show();
	return new Effect.Move(element, Object.extend({ x: 0, y: parseFloat(height) }, arguments[1] || {}));
};


Effect.ModalSlideUp = function(element) {
	var height = element.getStyle("height");
	return new Effect.Move(element, Object.extend({ x: 0, y: -parseFloat(height) }, arguments[1] || {}));
};

PopupEffect = Class.create();
PopupEffect.prototype = {
	initialize: function(htmlElement) {
		this.html = $(htmlElement);
		this.options = Object.extend({className: "popup_effect", duration: 0.4}, arguments[1] || {});

	},
	show: function(element, options) {
		var position = Position.cumulativeOffset(this.html);
		var size = this.html.getDimensions();
		var bounds = element.win.getBounds();
		this.window =  element.win;
		// Create a div
		if (!this.div) {
			this.div = document.createElement("div");
			this.div.className = this.options.className;
			this.div.style.height = size.height + "px";
			this.div.style.width  = size.width  + "px";
			this.div.style.top    = position[1] + "px";
			this.div.style.left   = position[0] + "px";
			this.div.style.position = "absolute"
			document.body.appendChild(this.div);
		}
		if (this.options.fromOpacity)
			this.div.setStyle({opacity: this.options.fromOpacity})
		this.div.show();
		var style = "top:" + bounds.top + ";left:" +bounds.left + ";width:" + bounds.width +";height:" + bounds.height;
		if (this.options.toOpacity)
			style += ";opacity:" + this.options.toOpacity;

		new Effect.Morph(this.div ,{style: style, duration: this.options.duration, afterFinish: this._showWindow.bind(this)});
	},

	hide: function(element, options) {
		var position = Position.cumulativeOffset(this.html);
		var size = this.html.getDimensions();
		this.window.visible = true;
		var bounds = this.window.getBounds();
		this.window.visible = false;

		this.window.element.hide();

		this.div.style.height = bounds.height;
		this.div.style.width  = bounds.width;
		this.div.style.top    = bounds.top;
		this.div.style.left   = bounds.left;

		if (this.options.toOpacity)
			this.div.setStyle({opacity: this.options.toOpacity})

		this.div.show();
		var style = "top:" + position[1] + "px;left:" + position[0] + "px;width:" + size.width +"px;height:" + size.height + "px";

		if (this.options.fromOpacity)
			style += ";opacity:" + this.options.fromOpacity;
		new Effect.Morph(this.div ,{style: style, duration: this.options.duration, afterFinish: this._hideDiv.bind(this)});
	},

	_showWindow: function() {
		this.div.hide();
		this.window.element.show();
	},

	_hideDiv: function() {
		this.div.hide();
	}
}