Sortable: Moved helper methods into the widget prototype.

Author: scottgonzalez

ui/jquery.ui.sortable.js

@@ -15,14 +15,6 @@
  */
 (function( $, undefined ) {
 
-function isOverAxis( x, reference, size ) {
-	return ( x >= reference ) && ( x < ( reference + size ) );
-}
-
-function isFloating(item) {
-	return (/left|right/).test(item.css("float")) || (/inline|table-cell/).test(item.css("display"));
-}
-
 $.widget("ui.sortable", $.ui.mouse, {
 	version: "@VERSION",
 	widgetEventPrefix: "sort",
@@ -65,6 +57,15 @@ $.widget("ui.sortable", $.ui.mouse, {
 		stop: null,
 		update: null
 	},
+
+	_isOverAxis: function( x, reference, size ) {
+		return ( x >= reference ) && ( x < ( reference + size ) );
+	},
+
+	_isFloating: function( item ) {
+		return (/left|right/).test(item.css("float")) || (/inline|table-cell/).test(item.css("display"));
+	},
+
 	_create: function() {
 
 		var o = this.options;
@@ -75,7 +76,7 @@ $.widget("ui.sortable", $.ui.mouse, {
 		this.refresh();
 
 		//Let's determine if the items are being displayed horizontally
-		this.floating = this.items.length ? o.axis === "x" || isFloating(this.items[0].item) : false;
+		this.floating = this.items.length ? o.axis === "x" || this._isFloating(this.items[0].item) : false;
 
 		//Let's determine the parent's offset
 		this.offset = this.element.offset();
@@ -554,8 +555,8 @@ $.widget("ui.sortable", $.ui.mouse, {
 
 	_intersectsWithPointer: function(item) {
 
-		var isOverElementHeight = (this.options.axis === "x") || isOverAxis(this.positionAbs.top + this.offset.click.top, item.top, item.height),
-			isOverElementWidth = (this.options.axis === "y") || isOverAxis(this.positionAbs.left + this.offset.click.left, item.left, item.width),
+		var isOverElementHeight = (this.options.axis === "x") || this._isOverAxis(this.positionAbs.top + this.offset.click.top, item.top, item.height),
+			isOverElementWidth = (this.options.axis === "y") || this._isOverAxis(this.positionAbs.left + this.offset.click.left, item.left, item.width),
 			isOverElement = isOverElementHeight && isOverElementWidth,
 			verticalDirection = this._getDragVerticalDirection(),
 			horizontalDirection = this._getDragHorizontalDirection();
@@ -572,8 +573,8 @@ $.widget("ui.sortable", $.ui.mouse, {
 
 	_intersectsWithSides: function(item) {
 
-		var isOverBottomHalf = isOverAxis(this.positionAbs.top + this.offset.click.top, item.top + (item.height/2), item.height),
-			isOverRightHalf = isOverAxis(this.positionAbs.left + this.offset.click.left, item.left + (item.width/2), item.width),
+		var isOverBottomHalf = this._isOverAxis(this.positionAbs.top + this.offset.click.top, item.top + (item.height/2), item.height),
+			isOverRightHalf = this._isOverAxis(this.positionAbs.left + this.offset.click.left, item.left + (item.width/2), item.width),
 			verticalDirection = this._getDragVerticalDirection(),
 			horizontalDirection = this._getDragHorizontalDirection();
 
@@ -846,7 +847,7 @@ $.widget("ui.sortable", $.ui.mouse, {
 			//When entering a new container, we will find the item with the least distance and append our item near it
 			dist = 10000;
 			itemWithLeastDistance = null;
-			floating = innermostContainer.floating || isFloating(this.currentItem);
+			floating = innermostContainer.floating || this._isFloating(this.currentItem);
 			posProperty = floating ? "left" : "top";
 			sizeProperty = floating ? "width" : "height";
 			base = this.positionAbs[posProperty] + this.offset.click[posProperty];
@@ -857,7 +858,7 @@ $.widget("ui.sortable", $.ui.mouse, {
 				if(this.items[j].item[0] === this.currentItem[0]) {
 					continue;
 				}
-				if (floating && !isOverAxis(this.positionAbs.top + this.offset.click.top, this.items[j].top, this.items[j].height)) {
+				if (floating && !this._isOverAxis(this.positionAbs.top + this.offset.click.top, this.items[j].top, this.items[j].height)) {
 					continue;
 				}
 				cur = this.items[j].item.offset()[posProperty];