resizable:

- knobHandles and default themes + theme detection removed (fixes #3906)
- partial refactor

ui/ui.resizable.js

@@ -16,158 +16,100 @@ $.widget("ui.resizable", $.extend({}, $.ui.mouse, {
 
 	_init: function() {
 
-		var self = this, o = this.options;
-
-		var elpos = this.element.css('position');
-
-		this.originalElement = this.element;
-
-		// simulate .ui-resizable { position: relative; }
-		this.element.addClass("ui-resizable").css({ position: /static/.test(elpos) ? 'relative' : elpos });
-
-		$.extend(o, {
+		var self = this, o = this.options;	
+		this.element.addClass("ui-resizable");
+			
+		$.extend(this, {
 			_aspectRatio: !!(o.aspectRatio),
-			helper: o.helper || o.ghost || o.animate ? o.helper || 'ui-resizable-helper' : null,
-			knobHandles: o.knobHandles === true ? 'ui-resizable-knob-handle' : o.knobHandles
+			aspectRatio: o.aspectRatio,
+			originalElement: this.element,
+			proportionallyResize: o.proportionallyResize  ? [o.proportionallyResize] : [],
+			_helper: o.helper || o.ghost || o.animate ? o.helper || 'ui-resizable-helper' : null
 		});
 
-		//Default Theme
-		var aBorder = '1px solid #DEDEDE';
-
-		o.defaultTheme = {
-			'ui-resizable': { display: 'block' },
-			'ui-resizable-handle': { position: 'absolute', background: '#F2F2F2', fontSize: '0.1px' },
-			'ui-resizable-n': { cursor: 'n-resize', height: '4px', left: '0px', right: '0px', borderTop: aBorder },
-			'ui-resizable-s': { cursor: 's-resize', height: '4px', left: '0px', right: '0px', borderBottom: aBorder },
-			'ui-resizable-e': { cursor: 'e-resize', width: '4px', top: '0px', bottom: '0px', borderRight: aBorder },
-			'ui-resizable-w': { cursor: 'w-resize', width: '4px', top: '0px', bottom: '0px', borderLeft: aBorder },
-			'ui-resizable-se': { cursor: 'se-resize', width: '4px', height: '4px', borderRight: aBorder, borderBottom: aBorder },
-			'ui-resizable-sw': { cursor: 'sw-resize', width: '4px', height: '4px', borderBottom: aBorder, borderLeft: aBorder },
-			'ui-resizable-ne': { cursor: 'ne-resize', width: '4px', height: '4px', borderRight: aBorder, borderTop: aBorder },
-			'ui-resizable-nw': { cursor: 'nw-resize', width: '4px', height: '4px', borderLeft: aBorder, borderTop: aBorder }
-		};
-
-		o.knobTheme = {
-			'ui-resizable-handle': { background: '#F2F2F2', border: '1px solid #808080', height: '8px', width: '8px' },
-			'ui-resizable-n': { cursor: 'n-resize', top: '0px', left: '45%' },
-			'ui-resizable-s': { cursor: 's-resize', bottom: '0px', left: '45%' },
-			'ui-resizable-e': { cursor: 'e-resize', right: '0px', top: '45%' },
-			'ui-resizable-w': { cursor: 'w-resize', left: '0px', top: '45%' },
-			'ui-resizable-se': { cursor: 'se-resize', right: '0px', bottom: '0px' },
-			'ui-resizable-sw': { cursor: 'sw-resize', left: '0px', bottom: '0px' },
-			'ui-resizable-nw': { cursor: 'nw-resize', left: '0px', top: '0px' },
-			'ui-resizable-ne': { cursor: 'ne-resize', right: '0px', top: '0px' }
-		};
-
-		o._nodeName = this.element[0].nodeName;
-
 		//Wrap the element if it cannot hold child nodes
-		if(o._nodeName.match(/canvas|textarea|input|select|button|img/i)) {
-			var el = this.element;
+		if(this.element[0].nodeName.match(/canvas|textarea|input|select|button|img/i)) {
 
-			//Opera fixing relative position
-			if (/relative/.test(el.css('position')) && $.browser.opera)
-				el.css({ position: 'relative', top: 'auto', left: 'auto' });
+			//Opera fix for relative positioning
+			if (/relative/.test(this.element.css('position')) && $.browser.opera)
+				this.element.css({ position: 'relative', top: 'auto', left: 'auto' });
 
 			//Create a wrapper element and set the wrapper to the new current internal element
-			el.wrap(
-				$('<div class="ui-wrapper"	style="overflow: hidden;"></div>').css( {
-					position: el.css('position'),
-					width: el.outerWidth(),
-					height: el.outerHeight(),
-					top: el.css('top'),
-					left: el.css('left')
+			this.element.wrap(
+				$('<div class="ui-wrapper" style="overflow: hidden;"></div>').css({
+					position: this.element.css('position'),
+					width: this.element.outerWidth(),
+					height: this.element.outerHeight(),
+					top: this.element.css('top'),
+					left: this.element.css('left')
 				})
 			);
 
-			var oel = this.element; this.element = this.element.parent();
-
-			// store instance on wrapper
-			this.element.data('resizable', this);
+			//Overwrite the original this.element
+			this.element = this.element.parent();
+			this.elementIsWrapper = true;
 
 			//Move margins to the wrapper
-			this.element.css({ marginLeft: oel.css("marginLeft"), marginTop: oel.css("marginTop"),
-				marginRight: oel.css("marginRight"), marginBottom: oel.css("marginBottom")
-			});
-
-			oel.css({ marginLeft: 0, marginTop: 0, marginRight: 0, marginBottom: 0});
+			this.element.css({ marginLeft: this.originalElement.css("marginLeft"), marginTop: this.originalElement.css("marginTop"), marginRight: this.originalElement.css("marginRight"), marginBottom: this.originalElement.css("marginBottom") });
+			this.originalElement.css({ marginLeft: 0, marginTop: 0, marginRight: 0, marginBottom: 0});
 
 			//Prevent Safari textarea resize
-			if ($.browser.safari && o.preventDefault) oel.css('resize', 'none');
+			if ($.browser.safari && o.preventDefault) this.originalElement.css('resize', 'none');
 
-			o.proportionallyResize = oel.css({ position: 'static', zoom: 1, display: 'block' });
+			//Push the actual element to our proportionallyResize internal array
+			this.proportionallyResize.push(this.originalElement.css({ position: 'static', zoom: 1, display: 'block' }));
 
-			// avoid IE jump
-			this.element.css({ margin: oel.css('margin') });
+			// avoid IE jump (hard set the margin)
+			this.originalElement.css({ margin: this.originalElement.css('margin') });
 
 			// fix handlers offset
 			this._proportionallyResize();
+			
 		}
 
-		if(!o.handles) o.handles = !$('.ui-resizable-handle', this.element).length ? "e,s,se" : { n: '.ui-resizable-n', e: '.ui-resizable-e', s: '.ui-resizable-s', w: '.ui-resizable-w', se: '.ui-resizable-se', sw: '.ui-resizable-sw', ne: '.ui-resizable-ne', nw: '.ui-resizable-nw' };
-		if(o.handles.constructor == String) {
+		this.handles = o.handles || (!$('.ui-resizable-handle', this.element).length ? "e,s,se" : { n: '.ui-resizable-n', e: '.ui-resizable-e', s: '.ui-resizable-s', w: '.ui-resizable-w', se: '.ui-resizable-se', sw: '.ui-resizable-sw', ne: '.ui-resizable-ne', nw: '.ui-resizable-nw' });
+		if(this.handles.constructor == String) {
 
-			o.zIndex = o.zIndex || 1000;
-
-			if(o.handles == 'all') o.handles = 'n,e,s,w,se,sw,ne,nw';
-
-			var n = o.handles.split(","); o.handles = {};
-
-			// insertions are applied when don't have theme loaded
-			var insertionsDefault = {
-				handle: 'position: absolute; display: none; overflow:hidden;',
-				n: 'top: 0pt; width:100%;',
-				e: 'right: 0pt; height:100%;',
-				s: 'bottom: 0pt; width:100%;',
-				w: 'left: 0pt; height:100%;',
-				se: 'bottom: 0pt; right: 0px;',
-				sw: 'bottom: 0pt; left: 0px;',
-				ne: 'top: 0pt; right: 0px;',
-				nw: 'top: 0pt; left: 0px;'
-			};
+			if(this.handles == 'all') this.handles = 'n,e,s,w,se,sw,ne,nw';
+			var n = this.handles.split(","); this.handles = {};
 
 			for(var i = 0; i < n.length; i++) {
-				var handle = $.trim(n[i]), dt = o.defaultTheme, hname = 'ui-resizable-'+handle, loadDefault = !$.ui.css(hname) && !o.knobHandles, userKnobClass = $.ui.css('ui-resizable-knob-handle'),
-							allDefTheme = $.extend(dt[hname], dt['ui-resizable-handle']), allKnobTheme = $.extend(o.knobTheme[hname], !userKnobClass ? o.knobTheme['ui-resizable-handle'] : {});
-
+				
+				var handle = $.trim(n[i]), hname = 'ui-resizable-'+handle;
+				var axis = $('<div class="ui-resizable-handle ' + hname + '"></div>');
+				
 				// increase zIndex of sw, se, ne, nw axis
-				var applyZIndex = /sw|se|ne|nw/.test(handle) ? { zIndex: ++o.zIndex } : {};
-
-				var defCss = (loadDefault ? insertionsDefault[handle] : ''),
-					axis = $(['<div class="ui-resizable-handle ', hname, '" style="', defCss, insertionsDefault.handle, '"></div>'].join('')).css( applyZIndex );
+				//TODO : this modifies original option
+				if(/sw|se|ne|nw/.test(handle)) axis.css({ zIndex: ++o.zIndex });
 
+				//TODO : What's going on here?
 				if ('se' == handle) {
 					axis.addClass('ui-icon ui-icon-gripsmall-diagonal-se');
 				};
 
-				o.handles[handle] = '.ui-resizable-'+handle;
-
-				this.element.append(
-					//Theme detection, if not loaded, load o.defaultTheme
-					axis.css( loadDefault ? allDefTheme : {} )
-						// Load the knobHandle css, fix width, height, top, left...
-						.css( o.knobHandles ? allKnobTheme : {} ).addClass(o.knobHandles ? 'ui-resizable-knob-handle' : '').addClass(o.knobHandles)
-				);
+				//Insert into internal handles object and append to element
+				this.handles[handle] = '.ui-resizable-'+handle;
+				this.element.append(axis);
 			}
 
-			if (o.knobHandles) this.element.addClass('ui-resizable-knob').css( !$.ui.css('ui-resizable-knob') ? { /*border: '1px #fff dashed'*/ } : {} );
 		}
 
 		this._renderAxis = function(target) {
+			
 			target = target || this.element;
 
-			for(var i in o.handles) {
-				if(o.handles[i].constructor == String)
-					o.handles[i] = $(o.handles[i], this.element).show();
+			for(var i in this.handles) {
+				
+				if(this.handles[i].constructor == String)
+					this.handles[i] = $(this.handles[i], this.element).show();
 
 				if (o.transparent)
-					o.handles[i].css({opacity:0});
+					this.handles[i].css({ opacity: 0 });
 
 				//Apply pad to wrapper element, needed to fix axis position (textarea, inputs, scrolls)
-				if (this.element.is('.ui-wrapper') &&
-					o._nodeName.match(/textarea|input|select|button/i)) {
+				if (this.elementIsWrapper && this.originalElement[0].nodeName.match(/textarea|input|select|button/i)) {
 
-					var axis = $(o.handles[i], this.element), padWrapper = 0;
+					var axis = $(this.handles[i], this.element), padWrapper = 0;
 
 					//Checking the correct pad and border
 					padWrapper = /sw|ne|nw|se|n|s/.test(i) ? axis.outerHeight() : axis.outerWidth();
@@ -182,48 +124,58 @@ $.widget("ui.resizable", $.extend({}, $.ui.mouse, {
 						target.css(padPos, padWrapper);
 
 					this._proportionallyResize();
+					
 				}
-				if(!$(o.handles[i]).length) continue;
+				
+				//TODO: What's that good for? There's not anything to be executed left
+				if(!$(this.handles[i]).length)
+					continue;
+				
 			}
 		};
 
+		//TODO: make renderAxis a prototype function
 		this._renderAxis(this.element);
-		o._handles = $('.ui-resizable-handle', self.element);
+		
+		this._handles = $('.ui-resizable-handle', this.element);
 
 		if (o.disableSelection)
-			o._handles.disableSelection();
+			this._handles.disableSelection();
 
 		//Matching axis name
-		o._handles.mouseover(function() {
-			if (!o.resizing) {
+		this._handles.mouseover(function() {
+			if (!self.resizing) {
 				if (this.className)
 					var axis = this.className.match(/ui-resizable-(se|sw|ne|nw|n|e|s|w)/i);
 				//Axis, default = se
-				self.axis = o.axis = axis && axis[1] ? axis[1] : 'se';
+				self.axis = axis && axis[1] ? axis[1] : 'se';
 			}
 		});
 
 		//If we want to auto hide the elements
 		if (o.autoHide) {
-			o._handles.hide();
-			$(self.element).addClass("ui-resizable-autohide").hover(function() {
-				$(this).removeClass("ui-resizable-autohide");
-				o._handles.show();
-			},
-			function(){
-				if (!o.resizing) {
-					$(this).addClass("ui-resizable-autohide");
-					o._handles.hide();
-				}
-			});
+			this._handles.hide();
+			$(this.element)
+				.addClass("ui-resizable-autohide")
+				.hover(function() {
+					$(this).removeClass("ui-resizable-autohide");
+					self._handles.show();
+				},
+				function(){
+					if (!self.resizing) {
+						$(this).addClass("ui-resizable-autohide");
+						self._handles.hide();
+					}
+				});
 		}
 
+		//Initialize the mouse interaction
 		this._mouseInit();
+		
 	},
 
 	destroy: function() {
-		var el = this.element, wrapped = el.children(".ui-resizable").get(0);
-
+		
 		this._mouseDestroy();
 
 		var _destroy = function(exp) {
@@ -231,34 +183,32 @@ $.widget("ui.resizable", $.extend({}, $.ui.mouse, {
 				.removeData("resizable").unbind(".resizable").find('.ui-resizable-handle').remove();
 		};
 
-		_destroy(el);
-
-		if (el.is('.ui-wrapper') && wrapped) {
-			el.parent().append(
-				$(wrapped).css({
-					position: el.css('position'),
-					width: el.outerWidth(),
-					height: el.outerHeight(),
-					top: el.css('top'),
-					left: el.css('left')
+		//TODO: Unwrap at same DOM position
+		if (this.elementIsWrapper) {
+			_destroy(this.element);
+			this.wrapper.parent().append(
+				this.originalElement.css({
+					position: this.wrapper.css('position'),
+					width: this.wrapper.outerWidth(),
+					height: this.wrapper.outerHeight(),
+					top: this.wrapper.css('top'),
+					left: this.wrapper.css('left')
 				})
 			).end().remove();
-
-			_destroy(wrapped);
 		}
+		
+		_destroy(this.originalElement);
+		
 	},
 
 	_mouseCapture: function(event) {
 
-		if(this.options.disabled) return false;
-
 		var handle = false;
-		for(var i in this.options.handles) {
-			if($(this.options.handles[i])[0] == event.target) handle = true;
+		for(var i in this.handles) {
+			if($(this.handles[i])[0] == event.target) handle = true;
 		}
-		if (!handle) return false;
 
-		return true;
+		return this.options.disabled || !!handle;
 
 	},
 
@@ -266,12 +216,12 @@ $.widget("ui.resizable", $.extend({}, $.ui.mouse, {
 
 		var o = this.options, iniPos = this.element.position(), el = this.element,
 			num = function(v) { return parseInt(v, 10) || 0; }, ie6 = $.browser.msie && $.browser.version < 7;
-		o.resizing = true;
-		o.documentScroll = { top: $(document).scrollTop(), left: $(document).scrollLeft() };
+			
+		this.resizing = true;
+		this.documentScroll = { top: $(document).scrollTop(), left: $(document).scrollLeft() };
 
 		// bugfix #1749
 		if (el.is('.ui-draggable') || (/absolute/).test(el.css('position'))) {
-
 			// sOffset decides if document scrollOffset will be added to the top/left of the resizable element
 			var sOffset = $.browser.msie && !o.containment && (/absolute/).test(el.css('position')) && !(/relative/).test(el.parent().css('position'));
 			var dscrollt = sOffset ? o.documentScroll.top : 0, dscrolll = sOffset ? o.documentScroll.left : 0;
@@ -288,21 +238,21 @@ $.widget("ui.resizable", $.extend({}, $.ui.mouse, {
 		var curleft = num(this.helper.css('left')), curtop = num(this.helper.css('top'));
 
 		if (o.containment) {
-			curleft += $(o.containment).scrollLeft()||0;
-			curtop += $(o.containment).scrollTop()||0;
+			curleft += $(o.containment).scrollLeft() || 0;
+			curtop += $(o.containment).scrollTop() || 0;
 		}
 
 		//Store needed variables
 		this.offset = this.helper.offset();
 		this.position = { left: curleft, top: curtop };
-		this.size = o.helper || ie6 ? { width: el.outerWidth(), height: el.outerHeight() } : { width: el.width(), height: el.height() };
-		this.originalSize = o.helper || ie6 ? { width: el.outerWidth(), height: el.outerHeight() } : { width: el.width(), height: el.height() };
+		this.size = this._helper || ie6 ? { width: el.outerWidth(), height: el.outerHeight() } : { width: el.width(), height: el.height() };
+		this.originalSize = this._helper || ie6 ? { width: el.outerWidth(), height: el.outerHeight() } : { width: el.width(), height: el.height() };
 		this.originalPosition = { left: curleft, top: curtop };
 		this.sizeDiff = { width: el.outerWidth() - el.width(), height: el.outerHeight() - el.height() };
 		this.originalMousePosition = { left: event.pageX, top: event.pageY };
 
 		//Aspect Ratio
-		o.aspectRatio = (typeof o.aspectRatio == 'number') ? o.aspectRatio : ((this.originalSize.width / this.originalSize.height)||1);
+		this.aspectRatio = (typeof o.aspectRatio == 'number') ? o.aspectRatio : ((this.originalSize.width / this.originalSize.height) || 1);
 
 		if (o.preserveCursor) {
 		    var cursor = $('.ui-resizable-' + this.axis).css('cursor');
@@ -326,7 +276,7 @@ $.widget("ui.resizable", $.extend({}, $.ui.mouse, {
 		// Calculate the attrs that will be change
 		var data = trigger.apply(this, [event, dx, dy]), ie6 = $.browser.msie && $.browser.version < 7, csdif = this.sizeDiff;
 
-		if (o._aspectRatio || event.shiftKey)
+		if (this._aspectRatio || event.shiftKey)
 			data = this._updateRatio(data, event);
 
 		data = this._respectSize(data, event);
@@ -339,7 +289,7 @@ $.widget("ui.resizable", $.extend({}, $.ui.mouse, {
 			width: this.size.width + "px", height: this.size.height + "px"
 		});
 
-		if (!o.helper && o.proportionallyResize)
+		if (!this._helper && this.proportionallyResize.length)
 			this._proportionallyResize();
 
 		this._updateCache(data);
@@ -352,12 +302,12 @@ $.widget("ui.resizable", $.extend({}, $.ui.mouse, {
 
 	_mouseStop: function(event) {
 
-		this.options.resizing = false;
+		this.resizing = false;
 		var o = this.options, num = function(v) { return parseInt(v, 10) || 0; }, self = this;
 
-		if(o.helper) {
-			var pr = o.proportionallyResize, ista = pr && (/textarea/i).test(pr.get(0).nodeName),
-						soffseth = ista && $.ui.hasScroll(pr.get(0), 'left') /* TODO - jump height */ ? 0 : self.sizeDiff.height,
+		if(this._helper) {
+			var pr = this.proportionallyResize, ista = pr.length && (/textarea/i).test(pr[0].nodeName),
+						soffseth = ista && $.ui.hasScroll(pr[0], 'left') /* TODO - jump height */ ? 0 : self.sizeDiff.height,
 							soffsetw = ista ? 0 : self.sizeDiff.width;
 
 			var s = { width: (self.size.width - soffsetw), height: (self.size.height - soffseth) },
@@ -367,7 +317,7 @@ $.widget("ui.resizable", $.extend({}, $.ui.mouse, {
 			if (!o.animate)
 				this.element.css($.extend(s, { top: top, left: left }));
 
-			if (o.helper && !o.animate) this._proportionallyResize();
+			if (this._helper && !o.animate) this._proportionallyResize();
 		}
 
 		if (o.preserveCursor)
@@ -375,9 +325,9 @@ $.widget("ui.resizable", $.extend({}, $.ui.mouse, {
 
 		this._propagate("stop", event);
 
-		if (o.helper) this.helper.remove();
-
+		if (this._helper) this.helper.remove();
 		return false;
+		
 	},
 
 	_updateCache: function(data) {
@@ -393,8 +343,8 @@ $.widget("ui.resizable", $.extend({}, $.ui.mouse, {
 
 		var o = this.options, cpos = this.position, csize = this.size, a = this.axis;
 
-		if (data.height) data.width = (csize.height * o.aspectRatio);
-		else if (data.width) data.height = (csize.width / o.aspectRatio);
+		if (data.height) data.width = (csize.height * this.aspectRatio);
+		else if (data.width) data.height = (csize.width / this.aspectRatio);
 
 		if (a == 'sw') {
 			data.left = cpos.left + (csize.width - data.width);
@@ -410,7 +360,7 @@ $.widget("ui.resizable", $.extend({}, $.ui.mouse, {
 
 	_respectSize: function(data, event) {
 
-		var el = this.helper, o = this.options, pRatio = o._aspectRatio || event.shiftKey, a = this.axis,
+		var el = this.helper, o = this.options, pRatio = this._aspectRatio || event.shiftKey, a = this.axis,
 				ismaxw = data.width && o.maxWidth && o.maxWidth < data.width, ismaxh = data.height && o.maxHeight && o.maxHeight < data.height,
 					isminw = data.width && o.minWidth && o.minWidth > data.width, isminh = data.height && o.minHeight && o.minHeight > data.height;
 
@@ -436,47 +386,57 @@ $.widget("ui.resizable", $.extend({}, $.ui.mouse, {
 	},
 
 	_proportionallyResize: function() {
+		
 		var o = this.options;
-		if (!o.proportionallyResize) return;
-		var prel = o.proportionallyResize, el = this.helper || this.element;
-
-		if (!o.borderDif) {
-			var b = [prel.css('borderTopWidth'), prel.css('borderRightWidth'), prel.css('borderBottomWidth'), prel.css('borderLeftWidth')],
-				p = [prel.css('paddingTop'), prel.css('paddingRight'), prel.css('paddingBottom'), prel.css('paddingLeft')];
-
-			o.borderDif = $.map(b, function(v, i) {
-				var border = parseInt(v,10)||0, padding = parseInt(p[i],10)||0;
-				return border + padding;
+		if (!this.proportionallyResize.length) return;
+		var element = this.helper || this.element;
+		
+		for (var i=0; i < this.proportionallyResize.length; i++) {
+			
+			var prel = this.proportionallyResize[i];
+			
+			if (!this.borderDif) {
+				var b = [prel.css('borderTopWidth'), prel.css('borderRightWidth'), prel.css('borderBottomWidth'), prel.css('borderLeftWidth')],
+					p = [prel.css('paddingTop'), prel.css('paddingRight'), prel.css('paddingBottom'), prel.css('paddingLeft')];
+	
+				this.borderDif = $.map(b, function(v, i) {
+					var border = parseInt(v,10)||0, padding = parseInt(p[i],10)||0;
+					return border + padding;
+				});
+			}
+	
+			if ($.browser.msie && !(!($(element).is(':hidden') || $(element).parents(':hidden').length)))
+				continue;
+	
+			prel.css({
+				height: (element.height() - this.borderDif[0] - this.borderDif[2]) || 0,
+				width: (element.width() - this.borderDif[1] - this.borderDif[3]) || 0
 			});
-		}
+			
+		};
 
-		if ($.browser.msie && !isVisible(el))
-			return;
-
-		prel.css({
-			height: (el.height() - o.borderDif[0] - o.borderDif[2]) || 0,
-			width: (el.width() - o.borderDif[1] - o.borderDif[3]) || 0
-		});
 	},
 
 	_renderProxy: function() {
+		
 		var el = this.element, o = this.options;
 		this.elementOffset = el.offset();
 
-		if(o.helper) {
+		if(this._helper) {
+			
 			this.helper = this.helper || $('<div style="overflow:hidden;"></div>');
 
-			// fix ie6 offset
+			// fix ie6 offset TODO: This seems broken
 			var ie6 = $.browser.msie && $.browser.version < 7, ie6offset = (ie6 ? 1 : 0),
 			pxyoffset = ( ie6 ? 2 : -1 );
 
-			this.helper.addClass(o.helper).css({
-				width: el.outerWidth() + pxyoffset,
-				height: el.outerHeight() + pxyoffset,
+			this.helper.addClass(this._helper).css({
+				width: this.element.outerWidth() + pxyoffset,
+				height: this.element.outerHeight() + pxyoffset,
 				position: 'absolute',
 				left: this.elementOffset.left - ie6offset +'px',
 				top: this.elementOffset.top - ie6offset +'px',
-				zIndex: ++o.zIndex
+				zIndex: ++o.zIndex //TODO: Don't modify option
 			});
 
 			this.helper.appendTo("body");
@@ -485,8 +445,9 @@ $.widget("ui.resizable", $.extend({}, $.ui.mouse, {
 				this.helper.disableSelection();
 
 		} else {
-			this.helper = el;
+			this.helper = this.element;
 		}
+		
 	},
 
 	_change: {
@@ -520,7 +481,6 @@ $.widget("ui.resizable", $.extend({}, $.ui.mouse, {
 
 	_propagate: function(n, event) {
 		$.ui.plugin.call(this, n, [event, this.ui()]);
-
 		(n != "resize" && this._trigger(n, event, this.ui()));
 	},
 
@@ -558,7 +518,7 @@ $.extend($.ui.resizable, {
 		distance: 1,
 		ghost: false,
 		grid: false,
-		knobHandles: false,
+		helper: false,
 		maxHeight: null,
 		maxWidth: null,
 		minHeight: 10,
@@ -566,7 +526,8 @@ $.extend($.ui.resizable, {
 		preserveCursor: true,
 		preventDefault: true,
 		proportionallyResize: false,
-		transparent: false
+		transparent: false,
+		zIndex: 1000
 	}
 });
 
@@ -577,6 +538,7 @@ $.extend($.ui.resizable, {
 $.ui.plugin.add("resizable", "alsoResize", {
 
 	start: function(event, ui) {
+	
 		var o = ui.options, self = $(this).data("resizable"),
 
 		_store = function(exp) {
@@ -724,20 +686,20 @@ $.ui.plugin.add("resizable", "containment", {
 
 		if (ce[0] != document && (/static/).test(ce.css('position'))) cop = co;
 
-		if (cp.left < (o.helper ? co.left : 0)) {
-			self.size.width = self.size.width + (o.helper ? (self.position.left - co.left) : (self.position.left - cop.left));
+		if (cp.left < (self._helper ? co.left : 0)) {
+			self.size.width = self.size.width + (self._helper ? (self.position.left - co.left) : (self.position.left - cop.left));
 			if (pRatio) self.size.height = self.size.width / o.aspectRatio;
 			self.position.left = o.helper ? co.left : 0;
 		}
 
-		if (cp.top < (o.helper ? co.top : 0)) {
-			self.size.height = self.size.height + (o.helper ? (self.position.top - co.top) : self.position.top);
+		if (cp.top < (self._helper ? co.top : 0)) {
+			self.size.height = self.size.height + (self._helper ? (self.position.top - co.top) : self.position.top);
 			if (pRatio) self.size.width = self.size.height * o.aspectRatio;
-			self.position.top = o.helper ? co.top : 0;
+			self.position.top = self._helper ? co.top : 0;
 		}
 
-		var woset = Math.abs( (o.helper ? self.offset.left - cop.left : (self.offset.left - cop.left)) + self.sizeDiff.width ),
-					hoset = Math.abs( (o.helper ? self.offset.top - cop.top : (self.offset.top - co.top)) + self.sizeDiff.height );
+		var woset = Math.abs( (self._helper ? self.offset.left - cop.left : (self.offset.left - cop.left)) + self.sizeDiff.width ),
+					hoset = Math.abs( (self._helper ? self.offset.top - cop.top : (self.offset.top - co.top)) + self.sizeDiff.height );
 
 		if (woset + self.size.width >= self.parentData.width) {
 			self.size.width = self.parentData.width - woset;
@@ -756,10 +718,10 @@ $.ui.plugin.add("resizable", "containment", {
 
 		var helper = $(self.helper), ho = helper.offset(), w = helper.outerWidth() - self.sizeDiff.width, h = helper.outerHeight() - self.sizeDiff.height;
 
-		if (o.helper && !o.animate && (/relative/).test(ce.css('position')))
+		if (self._helper && !o.animate && (/relative/).test(ce.css('position')))
 			$(this).css({ left: ho.left - cop.left - co.left, width: w, height: h });
 
-		if (o.helper && !o.animate && (/static/).test(ce.css('position')))
+		if (self._helper && !o.animate && (/static/).test(ce.css('position')))
 			$(this).css({ left: ho.left - cop.left - co.left, width: w, height: h });
 
 	}
@@ -768,29 +730,26 @@ $.ui.plugin.add("resizable", "containment", {
 $.ui.plugin.add("resizable", "ghost", {
 
 	start: function(event, ui) {
+		
 		var o = ui.options, self = $(this).data("resizable"), pr = o.proportionallyResize, cs = self.size;
 
-		if (!pr) self.ghost = self.element.clone();
-		else self.ghost = pr.clone();
-
-		self.ghost.css(
-			{ opacity: .25, display: 'block', position: 'relative', height: cs.height, width: cs.width, margin: 0, left: 0, top: 0 }
-		)
-		.addClass('ui-resizable-ghost').addClass(typeof o.ghost == 'string' ? o.ghost : '');
+		self.ghost = self.originalElement.clone();
+		self.ghost
+			.css({ opacity: .25, display: 'block', position: 'relative', height: cs.height, width: cs.width, margin: 0, left: 0, top: 0 })
+			.addClass('ui-resizable-ghost')
+			.addClass(typeof o.ghost == 'string' ? o.ghost : '');
 
 		self.ghost.appendTo(self.helper);
 
 	},
 
 	resize: function(event, ui){
-		var o = ui.options, self = $(this).data("resizable"), pr = o.proportionallyResize;
-
+		var o = ui.options, self = $(this).data("resizable");
 		if (self.ghost) self.ghost.css({ position: 'relative', height: self.size.height, width: self.size.width });
-
 	},
 
 	stop: function(event, ui){
-		var o = ui.options, self = $(this).data("resizable"), pr = o.proportionallyResize;
+		var o = ui.options, self = $(this).data("resizable");
 		if (self.ghost && self.helper) self.helper.get(0).removeChild(self.ghost.get(0));
 	}