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();
  }
}