Remove using function for setting element positions. Update flop dete…

…ction to allow negative offsets and position's custom offset notation. See http://api.jqueryui.com/position/

jquery.cf.popover.js

@@ -50,51 +50,28 @@
 		 */
 		flop: {
 			left: function (position, data) {
-				var cPosition = data.collisionPosition,
-					$popover = $(this);
+				var $popover = $(this),
+					startPositionLeft = position.left;
 
 				// Modifies position and data by reference
 				var out = uiPosition.flip.left(position, data);
 
-				if (position.left !== undefined) {
-					$popover.toggleClass('flopped-x', cPosition.left !== position.left);
-				}
+				$popover.toggleClass('flopped-x', position.left !== undefined && position.left !== startPositionLeft);
 
 				return out;
 			},
 			top: function (position, data) {
-				var cPosition = data.collisionPosition,
-					$popover = $(this);
-					
+				var $popover = $(this),
+					startPositionTop = position.top;
+
 				// Modifies position and data by reference
 				var out = uiPosition.flip.top(position, data);
 
-				if (position.top !== undefined) {
-					$popover.toggleClass('flopped-y', cPosition.top !== position.top);
-				}
+				$popover.toggleClass('flopped-y', position.top !== undefined && position.top !== startPositionTop);
 
 				return out;
 			}
 		},
-
-		positionPopover: function(position, data) {
-			var $popover = $(this);
-
-			if (data) {
-				var opener = $popover.data('opener'),
-					popover = $(opener).data('popover');
-
-				if (popover && popover.opts && popover.opts.my) {
-					var my = popover.opts.my.split(' ');
-					if (my.length > 0) {
-						$popover.toggleClass('flopped-x', data.horizontal !== my[0]);
-						$popover.toggleClass('flopped-y', data.vertical !== (my.length > 1 ? my[1] : my[0]));
-					}
-				}
-			}
-
-			$popover.css(position);
-		},
 
 		bindEvents: function () {
 			this.$trigger.click($.proxy(function (e) {
@@ -189,8 +166,7 @@
 			}
 			var $popover = this.$popover,
 				posOpts = $.extend({
-					of: this.$trigger,
-					using: this.positionPopover
+					of: this.$trigger
 				}, this.opts),
 
 				/* Monkey-patch in our custom collision handling */