diff --git a/demo/dashboard/script.js b/demo/dashboard/script.js
index 21b0cf9c..5783eed0 100644
--- a/demo/dashboard/script.js
+++ b/demo/dashboard/script.js
@@ -1,152 +1,152 @@
 angular.module('app')
 
-.controller('DashboardCtrl', ['$scope', '$timeout',
-	function($scope, $timeout) {
-		$scope.gridsterOptions = {
-			margins: [20, 20],
-			columns: 4,
-			draggable: {
-				handle: 'h3'
-			}
-		};
-
-		$scope.dashboards = {
-			'1': {
-				id: '1',
-				name: 'Home',
-				widgets: [{
-					col: 0,
-					row: 0,
-					sizeY: 1,
-					sizeX: 1,
-					name: "Widget 1"
-				}, {
-					col: 2,
-					row: 1,
-					sizeY: 1,
-					sizeX: 1,
-					name: "Widget 2"
-				}]
-			},
-			'2': {
-				id: '2',
-				name: 'Other',
-				widgets: [{
-					col: 1,
-					row: 1,
-					sizeY: 1,
-					sizeX: 2,
-					name: "Other Widget 1"
-				}, {
-					col: 1,
-					row: 3,
-					sizeY: 1,
-					sizeX: 1,
-					name: "Other Widget 2"
-				}]
-			}
-		};
+	.controller('DashboardCtrl', ['$scope', '$timeout',
+		function($scope, $timeout) {
+			$scope.gridsterOptions = {
+				margins: [20, 20],
+				columns: 4,
+				draggable: {
+					handle: 'h3'
+				}
+			};
+
+			$scope.dashboards = {
+				'1': {
+					id: '1',
+					name: 'Home',
+					widgets: [{
+						col: 0,
+						row: 0,
+						sizeY: 1,
+						sizeX: 1,
+						name: "Widget 1"
+					}, {
+						col: 2,
+						row: 1,
+						sizeY: 1,
+						sizeX: 1,
+						name: "Widget 2"
+					}]
+				},
+				'2': {
+					id: '2',
+					name: 'Other',
+					widgets: [{
+						col: 1,
+						row: 1,
+						sizeY: 1,
+						sizeX: 2,
+						name: "Other Widget 1"
+					}, {
+						col: 1,
+						row: 3,
+						sizeY: 1,
+						sizeX: 1,
+						name: "Other Widget 2"
+					}]
+				}
+			};
 
-		$scope.clear = function() {
-			$scope.dashboard.widgets = [];
-		};
+			$scope.clear = function() {
+				$scope.dashboard.widgets = [];
+			};
 
-		$scope.addWidget = function() {
-			$scope.dashboard.widgets.push({
-				name: "New Widget",
-				sizeX: 1,
-				sizeY: 1
+			$scope.addWidget = function() {
+				$scope.dashboard.widgets.push({
+					name: "New Widget",
+					sizeX: 1,
+					sizeY: 1
+				});
+			};
+
+			$scope.$watch('selectedDashboardId', function(newVal, oldVal) {
+				if (newVal !== oldVal) {
+					$scope.dashboard = $scope.dashboards[newVal];
+				} else {
+					$scope.dashboard = $scope.dashboards[1];
+				}
 			});
-		};
 
-		$scope.$watch('selectedDashboardId', function(newVal, oldVal) {
-			if (newVal !== oldVal) {
-				$scope.dashboard = $scope.dashboards[newVal];
-			} else {
-				$scope.dashboard = $scope.dashboards[1];
-			}
-		});
+			// init dashboard
+			$scope.selectedDashboardId = '1';
 
-		// init dashboard
-		$scope.selectedDashboardId = '1';
+		}
+	])
+
+	.controller('CustomWidgetCtrl', ['$scope', '$modal',
+		function($scope, $modal) {
+
+			$scope.remove = function(widget) {
+				$scope.dashboard.widgets.splice($scope.dashboard.widgets.indexOf(widget), 1);
+			};
+
+			$scope.openSettings = function(widget) {
+				$modal.open({
+					scope: $scope,
+					templateUrl: 'demo/dashboard/widget_settings.html',
+					controller: 'WidgetSettingsCtrl',
+					resolve: {
+						widget: function() {
+							return widget;
+						}
+					}
+				});
+			};
 
-	}
-])
+		}
+	])
 
-.controller('CustomWidgetCtrl', ['$scope', '$modal',
-	function($scope, $modal) {
+	.controller('WidgetSettingsCtrl', ['$scope', '$timeout', '$rootScope', '$modalInstance', 'widget',
+		function($scope, $timeout, $rootScope, $modalInstance, widget) {
+			$scope.widget = widget;
 
-		$scope.remove = function(widget) {
-			$scope.dashboard.widgets.splice($scope.dashboard.widgets.indexOf(widget), 1);
-		};
+			$scope.form = {
+				name: widget.name,
+				sizeX: widget.sizeX,
+				sizeY: widget.sizeY,
+				col: widget.col,
+				row: widget.row
+			};
 
-		$scope.openSettings = function(widget) {
-			$modal.open({
-				scope: $scope,
-				templateUrl: 'demo/dashboard/widget_settings.html',
-				controller: 'WidgetSettingsCtrl',
-				resolve: {
-					widget: function() {
-						return widget;
-					}
-				}
-			});
-		};
-
-	}
-])
-
-.controller('WidgetSettingsCtrl', ['$scope', '$timeout', '$rootScope', '$modalInstance', 'widget',
-	function($scope, $timeout, $rootScope, $modalInstance, widget) {
-		$scope.widget = widget;
-
-		$scope.form = {
-			name: widget.name,
-			sizeX: widget.sizeX,
-			sizeY: widget.sizeY,
-			col: widget.col,
-			row: widget.row
-		};
-
-		$scope.sizeOptions = [{
-			id: '1',
-			name: '1'
-		}, {
-			id: '2',
-			name: '2'
-		}, {
-			id: '3',
-			name: '3'
-		}, {
-			id: '4',
-			name: '4'
-		}];
-
-		$scope.dismiss = function() {
-			$modalInstance.dismiss();
-		};
-
-		$scope.remove = function() {
-			$scope.dashboard.widgets.splice($scope.dashboard.widgets.indexOf(widget), 1);
-			$modalInstance.close();
-		};
-
-		$scope.submit = function() {
-			angular.extend(widget, $scope.form);
-
-			$modalInstance.close(widget);
-		};
-
-	}
-])
-
-// helper code
-.filter('object2Array', function() {
-	return function(input) {
-		var out = [];
-		for (i in input) {
-			out.push(input[i]);
+			$scope.sizeOptions = [{
+				id: '1',
+				name: '1'
+			}, {
+				id: '2',
+				name: '2'
+			}, {
+				id: '3',
+				name: '3'
+			}, {
+				id: '4',
+				name: '4'
+			}];
+
+			$scope.dismiss = function() {
+				$modalInstance.dismiss();
+			};
+
+			$scope.remove = function() {
+				$scope.dashboard.widgets.splice($scope.dashboard.widgets.indexOf(widget), 1);
+				$modalInstance.close();
+			};
+
+			$scope.submit = function() {
+				angular.extend(widget, $scope.form);
+
+				$modalInstance.close(widget);
+			};
+
+		}
+	])
+
+	// helper code
+	.filter('object2Array', function() {
+		return function(input) {
+			var out = [];
+			for (i in input) {
+				out.push(input[i]);
+			}
+			return out;
 		}
-		return out;
-	}
-});
+	});
diff --git a/demo/main/script.js b/demo/main/script.js
index e97ff89f..476ea2c4 100644
--- a/demo/main/script.js
+++ b/demo/main/script.js
@@ -1,178 +1,178 @@
 angular.module('app')
 
-.directive('integer', function() {
-	return {
-		require: 'ngModel',
-		link: function(scope, ele, attr, ctrl) {
-			ctrl.$parsers.unshift(function(viewValue) {
-				if (viewValue === '' || viewValue === null || typeof viewValue === 'undefined') {
-					return null;
-				}
-				return parseInt(viewValue, 10);
-			});
-		}
-	};
-})
+	.directive('integer', function() {
+		return {
+			require: 'ngModel',
+			link: function(scope, ele, attr, ctrl) {
+				ctrl.$parsers.unshift(function(viewValue) {
+					if (viewValue === '' || viewValue === null || typeof viewValue === 'undefined') {
+						return null;
+					}
+					return parseInt(viewValue, 10);
+				});
+			}
+		};
+	})
 
-.controller('MainCtrl', function($scope) {
+	.controller('MainCtrl', function($scope) {
 
-	$scope.gridsterOpts = {
-		margins: [20, 20],
-		outerMargin: false,
-		pushing: true,
-		floating: true,
-		draggable: {
-			enabled: false
-		},
-		resizable: {
-			enabled: false,
-			handles: ['n', 'e', 's', 'w', 'se', 'sw']
-		}
-	};
+		$scope.gridsterOpts = {
+			margins: [20, 20],
+			outerMargin: false,
+			pushing: true,
+			floating: true,
+			draggable: {
+				enabled: false
+			},
+			resizable: {
+				enabled: false,
+				handles: ['n', 'e', 's', 'w', 'se', 'sw']
+			}
+		};
 
-	// these map directly to gridsterItem options
-	$scope.standardItems = [{
-		sizeX: 2,
-		sizeY: 1,
-		row: 0,
-		col: 0
-	}, {
-		sizeX: 2,
-		sizeY: 2,
-		row: 0,
-		col: 2
-	}, {
-		sizeX: 2,
-		sizeY: 1,
-		row: 2,
-		col: 1
-	}, {
-		sizeX: 1,
-		sizeY: 1,
-		row: 2,
-		col: 3
-	}, {
-		sizeX: 1,
-		sizeY: 1,
-		row: 2,
-		col: 4
-	}, {
-		sizeX: 1,
-		sizeY: 1,
-		row: 0,
-		col: 4
-	}, {
-		sizeX: 1,
-		sizeY: 1,
-		row: 0,
-		col: 5
-	}, {
-		sizeX: 2,
-		sizeY: 1,
-		row: 1,
-		col: 0
-	}, {
-		sizeX: 1,
-		sizeY: 1,
-		row: 1,
-		col: 4
-	}, {
-		sizeX: 1,
-		sizeY: 2,
-		row: 1,
-		col: 5
-	}, {
-		sizeX: 1,
-		sizeY: 1,
-		row: 2,
-		col: 0
-	}];
+		// these map directly to gridsterItem options
+		$scope.standardItems = [{
+			sizeX: 2,
+			sizeY: 1,
+			row: 0,
+			col: 0
+		}, {
+			sizeX: 2,
+			sizeY: 2,
+			row: 0,
+			col: 2
+		}, {
+			sizeX: 2,
+			sizeY: 1,
+			row: 2,
+			col: 1
+		}, {
+			sizeX: 1,
+			sizeY: 1,
+			row: 2,
+			col: 3
+		}, {
+			sizeX: 1,
+			sizeY: 1,
+			row: 2,
+			col: 4
+		}, {
+			sizeX: 1,
+			sizeY: 1,
+			row: 0,
+			col: 4
+		}, {
+			sizeX: 1,
+			sizeY: 1,
+			row: 0,
+			col: 5
+		}, {
+			sizeX: 2,
+			sizeY: 1,
+			row: 1,
+			col: 0
+		}, {
+			sizeX: 1,
+			sizeY: 1,
+			row: 1,
+			col: 4
+		}, {
+			sizeX: 1,
+			sizeY: 2,
+			row: 1,
+			col: 5
+		}, {
+			sizeX: 1,
+			sizeY: 1,
+			row: 2,
+			col: 0
+		}];
 
-	// these are non-standard, so they require mapping options
-	$scope.customItems = [{
-		size: {
-			x: 2,
-			y: 1
-		},
-		position: [0, 0]
-	}, {
-		size: {
-			x: 2,
-			y: 2
-		},
-		position: [0, 2]
-	}, {
-		size: {
-			x: 1,
-			y: 1
-		},
-		position: [1, 4]
-	}, {
-		size: {
-			x: 1,
-			y: 2
-		},
-		position: [1, 5]
-	}, {
-		size: {
-			x: 1,
-			y: 1
-		},
-		position: [2, 0]
-	}, {
-		size: {
-			x: 2,
-			y: 1
-		},
-		position: [2, 1]
-	}, {
-		size: {
-			x: 1,
-			y: 1
-		},
-		position: [2, 3]
-	}, {
-		size: {
-			x: 1,
-			y: 1
-		},
-		position: [0, 4]
-	}, {
-		size: {
-			x: 1,
-			y: 1
-		},
-		position: [0, 5]
-	}, {
-		size: {
-			x: 2,
-			y: 1
-		},
-		position: [1, 0]
-	}, {
-		size: {
-			x: 1,
-			y: 1
-		},
-		position: [2, 4]
-	}];
+		// these are non-standard, so they require mapping options
+		$scope.customItems = [{
+			size: {
+				x: 2,
+				y: 1
+			},
+			position: [0, 0]
+		}, {
+			size: {
+				x: 2,
+				y: 2
+			},
+			position: [0, 2]
+		}, {
+			size: {
+				x: 1,
+				y: 1
+			},
+			position: [1, 4]
+		}, {
+			size: {
+				x: 1,
+				y: 2
+			},
+			position: [1, 5]
+		}, {
+			size: {
+				x: 1,
+				y: 1
+			},
+			position: [2, 0]
+		}, {
+			size: {
+				x: 2,
+				y: 1
+			},
+			position: [2, 1]
+		}, {
+			size: {
+				x: 1,
+				y: 1
+			},
+			position: [2, 3]
+		}, {
+			size: {
+				x: 1,
+				y: 1
+			},
+			position: [0, 4]
+		}, {
+			size: {
+				x: 1,
+				y: 1
+			},
+			position: [0, 5]
+		}, {
+			size: {
+				x: 2,
+				y: 1
+			},
+			position: [1, 0]
+		}, {
+			size: {
+				x: 1,
+				y: 1
+			},
+			position: [2, 4]
+		}];
 
-	$scope.emptyItems = [{
-		name: 'Item1'
-	}, {
-		name: 'Item2'
-	}, {
-		name: 'Item3'
-	}, {
-		name: 'Item4'
-	}];
+		$scope.emptyItems = [{
+			name: 'Item1'
+		}, {
+			name: 'Item2'
+		}, {
+			name: 'Item3'
+		}, {
+			name: 'Item4'
+		}];
 
-	// map the gridsterItem to the custom item structure
-	$scope.customItemMap = {
-		sizeX: 'item.size.x',
-		sizeY: 'item.size.y',
-		row: 'item.position[0]',
-		col: 'item.position[1]'
-	};
+		// map the gridsterItem to the custom item structure
+		$scope.customItemMap = {
+			sizeX: 'item.size.x',
+			sizeY: 'item.size.y',
+			row: 'item.position[0]',
+			col: 'item.position[1]'
+		};
 
-});
+	});
diff --git a/dist/angular-gridster.min.js b/dist/angular-gridster.min.js
index 07d7c878..61bd4b64 100644
--- a/dist/angular-gridster.min.js
+++ b/dist/angular-gridster.min.js
@@ -2,7 +2,7 @@
  * angular-gridster
  * http://manifestwebdesign.github.io/angular-gridster
  *
- * @version: 0.13.14
+ * @version: 0.13.15-ckr
  * @license: MIT
  */
-!function(a,b){"use strict";"function"==typeof define&&define.amd?define(["angular"],b):"object"==typeof exports?module.exports=b(require("angular")):b(a.angular)}(this,function(a){"use strict";return a.module("gridster",[]).constant("gridsterConfig",{columns:6,pushing:!0,floating:!0,swapping:!1,width:"auto",colWidth:"auto",rowHeight:"match",margins:[10,10],outerMargin:!0,sparse:!1,isMobile:!1,mobileBreakPoint:600,mobileModeEnabled:!0,minColumns:1,minRows:1,maxRows:100,defaultSizeX:2,defaultSizeY:1,minSizeX:1,maxSizeX:null,minSizeY:1,maxSizeY:null,saveGridItemCalculatedHeightInMobile:!1,resizable:{enabled:!0,handles:["s","e","n","w","se","ne","sw","nw"]},draggable:{enabled:!0,scrollSensitivity:20,scrollSpeed:15}}).controller("GridsterCtrl",["gridsterConfig","$timeout",function(b,c){var d=this;a.extend(this,b),this.resizable=a.extend({},b.resizable||{}),this.draggable=a.extend({},b.draggable||{});var e=!1;this.layoutChanged=function(){e||(e=!0,c(function(){e=!1,d.loaded&&d.floatItemsUp(),d.updateHeight(d.movingItem?d.movingItem.sizeY:0)},30))},this.grid=[],this.allItems=[],this.destroy=function(){this.grid&&(this.grid=[]),this.$element=null,this.allItems&&(this.allItems.length=0,this.allItems=null)},this.setOptions=function(b){if(b)if(b=a.extend({},b),b.draggable&&(a.extend(this.draggable,b.draggable),delete b.draggable),b.resizable&&(a.extend(this.resizable,b.resizable),delete b.resizable),a.extend(this,b),this.margins&&2===this.margins.length)for(var c=0,d=this.margins.length;c<d;++c)this.margins[c]=parseInt(this.margins[c],10),isNaN(this.margins[c])&&(this.margins[c]=0);else this.margins=[0,0]},this.canItemOccupy=function(a,b,c){return b>-1&&c>-1&&a.sizeX+c<=this.columns&&a.sizeY+b<=this.maxRows},this.autoSetItemPosition=function(a){for(var b=0;b<this.maxRows;++b)for(var c=0;c<this.columns;++c){var d=this.getItems(b,c,a.sizeX,a.sizeY,a);if(0===d.length&&this.canItemOccupy(a,b,c))return void this.putItem(a,b,c)}throw new Error("Unable to place item!")},this.getItems=function(a,b,c,d,e){var f=[];c&&d||(c=d=1),!e||e instanceof Array||(e=[e]);var g;if(this.sparse===!1)for(var h=0;h<d;++h)for(var i=0;i<c;++i)g=this.getItem(a+h,b+i,e),!g||e&&e.indexOf(g)!==-1||f.indexOf(g)!==-1||f.push(g);else for(var j=a+d-1,k=b+c-1,l=0;l<this.allItems.length;++l)g=this.allItems[l],!g||e&&e.indexOf(g)!==-1||f.indexOf(g)!==-1||!this.intersect(g,b,k,a,j)||f.push(g);return f},this.getBoundingBox=function(a){if(0===a.length)return null;if(1===a.length)return{row:a[0].row,col:a[0].col,sizeY:a[0].sizeY,sizeX:a[0].sizeX};for(var b=0,c=0,d=9999,e=9999,f=0,g=a.length;f<g;++f){var h=a[f];d=Math.min(h.row,d),e=Math.min(h.col,e),b=Math.max(h.row+h.sizeY,b),c=Math.max(h.col+h.sizeX,c)}return{row:d,col:e,sizeY:b-d,sizeX:c-e}},this.intersect=function(a,b,c,d,e){return b<=a.col+a.sizeX-1&&c>=a.col&&d<=a.row+a.sizeY-1&&e>=a.row},this.removeItem=function(a){for(var b,c=0,d=this.grid.length;c<d;++c){var e=this.grid[c];if(e&&(b=e.indexOf(a),b!==-1)){e[b]=null;break}}this.sparse&&(b=this.allItems.indexOf(a),b!==-1&&this.allItems.splice(b,1)),this.layoutChanged()},this.getItem=function(a,b,c){!c||c instanceof Array||(c=[c]);for(var d=1;a>-1;){for(var e=1,f=b;f>-1;){var g=this.grid[a];if(g){var h=g[f];if(h&&(!c||c.indexOf(h)===-1)&&h.sizeX>=e&&h.sizeY>=d)return h}++e,--f}--a,++d}return null},this.putItems=function(a){for(var b=0,c=a.length;b<c;++b)this.putItem(a[b])},this.putItem=function(a,b,c,d){if(("undefined"==typeof b||null===b)&&(b=a.row,c=a.col,"undefined"==typeof b||null===b))return void this.autoSetItemPosition(a);if(this.canItemOccupy(a,b,c)||(c=Math.min(this.columns-a.sizeX,Math.max(0,c)),b=Math.min(this.maxRows-a.sizeY,Math.max(0,b))),null!==a.oldRow&&"undefined"!=typeof a.oldRow){var e=a.oldRow===b&&a.oldColumn===c,f=this.grid[b]&&this.grid[b][c]===a;if(e&&f)return a.row=b,void(a.col=c);var g=this.grid[a.oldRow];g&&g[a.oldColumn]===a&&delete g[a.oldColumn]}a.oldRow=a.row=b,a.oldColumn=a.col=c,this.moveOverlappingItems(a,d),this.grid[b]||(this.grid[b]=[]),this.grid[b][c]=a,this.sparse&&this.allItems.indexOf(a)===-1&&this.allItems.push(a),this.movingItem===a&&this.floatItemUp(a),this.layoutChanged()},this.swapItems=function(a,b){this.grid[a.row][a.col]=b,this.grid[b.row][b.col]=a;var c=a.row,d=a.col;a.row=b.row,a.col=b.col,b.row=c,b.col=d},this.moveOverlappingItems=function(a,b){b?b.indexOf(a)===-1&&(b=b.slice(0),b.push(a)):b=[a];var c=this.getItems(a.row,a.col,a.sizeX,a.sizeY,b);this.moveItemsDown(c,a.row+a.sizeY,b)},this.moveItemsDown=function(a,b,c){if(a&&0!==a.length){a.sort(function(a,b){return a.row-b.row}),c=c?c.slice(0):[];var d,e,f,g={};for(e=0,f=a.length;e<f;++e){d=a[e];var h=g[d.col];("undefined"==typeof h||d.row<h)&&(g[d.col]=d.row)}for(e=0,f=a.length;e<f;++e){d=a[e];var i=b-g[d.col];this.moveItemDown(d,d.row+i,c),c.push(d)}}},this.moveItemDown=function(a,b,c){if(!(a.row>=b)){for(;a.row<b;)++a.row,this.moveOverlappingItems(a,c);this.putItem(a,a.row,a.col,c)}},this.floatItemsUp=function(){if(this.floating!==!1)for(var a=0,b=this.grid.length;a<b;++a){var c=this.grid[a];if(c)for(var d=0,e=c.length;d<e;++d){var f=c[d];f&&this.floatItemUp(f)}}},this.floatItemUp=function(a){if(this.floating!==!1){for(var b=a.col,c=a.sizeY,d=a.sizeX,e=null,f=null,g=a.row-1;g>-1;){var h=this.getItems(g,b,d,c,a);if(0!==h.length)break;e=g,f=b,--g}null!==e&&this.putItem(a,e,f)}},this.updateHeight=function(a){var b=this.minRows;a=a||0;for(var c=this.grid.length;c>=0;--c){var d=this.grid[c];if(d)for(var e=0,f=d.length;e<f;++e)d[e]&&(b=Math.max(b,c+a+d[e].sizeY))}this.gridHeight=this.maxRows-b>0?Math.min(this.maxRows,b):Math.max(this.maxRows,b)},this.pixelsToRows=function(a,b){return this.outerMargin||(a+=this.margins[0]/2),b===!0?Math.ceil(a/this.curRowHeight):b===!1?Math.floor(a/this.curRowHeight):Math.round(a/this.curRowHeight)},this.pixelsToColumns=function(a,b){return this.outerMargin||(a+=this.margins[1]/2),b===!0?Math.ceil(a/this.curColWidth):b===!1?Math.floor(a/this.curColWidth):Math.round(a/this.curColWidth)}}]).directive("gridsterPreview",function(){return{replace:!0,scope:!0,require:"^gridster",template:'<div ng-style="previewStyle()" class="gridster-item gridster-preview-holder"></div>',link:function(a,b,c,d){a.previewStyle=function(){return d.movingItem?{display:"block",height:d.movingItem.sizeY*d.curRowHeight-d.margins[0]+"px",width:d.movingItem.sizeX*d.curColWidth-d.margins[1]+"px",top:d.movingItem.row*d.curRowHeight+(d.outerMargin?d.margins[0]:0)+"px",left:d.movingItem.col*d.curColWidth+(d.outerMargin?d.margins[1]:0)+"px"}:{display:"none"}}}}}).directive("gridster",["$timeout","$window","$rootScope","gridsterDebounce",function(b,c,d,e){return{scope:!0,restrict:"EAC",controller:"GridsterCtrl",controllerAs:"gridster",compile:function(f){return f.prepend('<div ng-if="gridster.movingItem" gridster-preview></div>'),function(f,g,h,i){function j(){g.css("height",i.gridHeight*i.curRowHeight+(i.outerMargin?i.margins[0]:-i.margins[0])+"px")}function k(a){if(i.setOptions(a),l(g[0])){"auto"===i.width?i.curWidth=g[0].offsetWidth||parseInt(g.css("width"),10):i.curWidth=i.width,"auto"===i.colWidth?i.curColWidth=(i.curWidth+(i.outerMargin?-i.margins[1]:i.margins[1]))/i.columns:i.curColWidth=i.colWidth,i.curRowHeight=i.rowHeight,"string"==typeof i.rowHeight&&("match"===i.rowHeight?i.curRowHeight=Math.round(i.curColWidth):i.rowHeight.indexOf("*")!==-1?i.curRowHeight=Math.round(i.curColWidth*i.rowHeight.replace("*","").replace(" ","")):i.rowHeight.indexOf("/")!==-1&&(i.curRowHeight=Math.round(i.curColWidth/i.rowHeight.replace("/","").replace(" ","")))),i.isMobile=i.mobileModeEnabled&&i.curWidth<=i.mobileBreakPoint;for(var b=0,c=i.grid.length;b<c;++b){var d=i.grid[b];if(d)for(var e=0,f=d.length;e<f;++e)if(d[e]){var h=d[e];h.setElementPosition(),h.setElementSizeY(),h.setElementSizeX()}}j()}}i.loaded=!1,i.$element=g,f.gridster=i,g.addClass("gridster");var l=function(a){return"hidden"!==a.style.visibility&&"none"!==a.style.display};f.$watch(function(){return i.gridHeight},j),f.$watch(function(){return i.movingItem},function(){i.updateHeight(i.movingItem?i.movingItem.sizeY:0)});var m=h.gridster;m?f.$parent.$watch(m,function(a){k(a)},!0):k({}),f.$watch(function(){return i.loaded},function(){i.loaded?(g.addClass("gridster-loaded"),d.$broadcast("gridster-loaded",i)):g.removeClass("gridster-loaded")}),f.$watch(function(){return i.isMobile},function(){i.isMobile?g.addClass("gridster-mobile").removeClass("gridster-desktop"):g.removeClass("gridster-mobile").addClass("gridster-desktop"),d.$broadcast("gridster-mobile-changed",i)}),f.$watch(function(){return i.draggable},function(){d.$broadcast("gridster-draggable-changed",i)},!0),f.$watch(function(){return i.resizable},function(){d.$broadcast("gridster-resizable-changed",i)},!0);var n=g[0].offsetWidth||parseInt(g.css("width"),10),o=function(){var a=g[0].offsetWidth||parseInt(g.css("width"),10);a&&a!==n&&!i.movingItem&&(n=a,i.loaded&&g.removeClass("gridster-loaded"),k(),i.loaded&&g.addClass("gridster-loaded"),d.$broadcast("gridster-resized",[a,g[0].offsetHeight],i))},p=e(function(){o(),b(function(){f.$apply()})},100);f.$watch(function(){return l(g[0])},p),"function"==typeof window.addResizeListener?window.addResizeListener(g[0],p):f.$watch(function(){return g[0].offsetWidth||parseInt(g.css("width"),10)},o);var q=a.element(c);q.on("resize",p),f.$on("$destroy",function(){i.destroy(),q.off("resize",p),"function"==typeof window.removeResizeListener&&window.removeResizeListener(g[0],p)}),b(function(){f.$watch("gridster.floating",function(){i.floatItemsUp()}),i.loaded=!0},100)}}}}]).controller("GridsterItemCtrl",function(){this.$element=null,this.gridster=null,this.row=null,this.col=null,this.sizeX=null,this.sizeY=null,this.minSizeX=0,this.minSizeY=0,this.maxSizeX=null,this.maxSizeY=null,this.init=function(a,b){this.$element=a,this.gridster=b,this.sizeX=b.defaultSizeX,this.sizeY=b.defaultSizeY},this.destroy=function(){this.gridster=null,this.$element=null},this.toJSON=function(){return{row:this.row,col:this.col,sizeY:this.sizeY,sizeX:this.sizeX}},this.isMoving=function(){return this.gridster.movingItem===this},this.setPosition=function(a,b){this.gridster.putItem(this,a,b),this.isMoving()||this.setElementPosition()},this.setSize=function(a,b,c){a=a.toUpperCase();var d="size"+a,e="Size"+a;if(""!==b){b=parseInt(b,10),(isNaN(b)||0===b)&&(b=this.gridster["default"+e]);var f="X"===a?this.gridster.columns:this.gridster.maxRows;this["max"+e]&&(f=Math.min(this["max"+e],f)),this.gridster["max"+e]&&(f=Math.min(this.gridster["max"+e],f)),"X"===a&&this.cols?f-=this.cols:"Y"===a&&this.rows&&(f-=this.rows);var g=0;this["min"+e]&&(g=Math.max(this["min"+e],g)),this.gridster["min"+e]&&(g=Math.max(this.gridster["min"+e],g)),b=Math.max(Math.min(b,f),g);var h=this[d]!==b||this["old"+e]&&this["old"+e]!==b;return this["old"+e]=this[d]=b,this.isMoving()||this["setElement"+e](),!c&&h&&(this.gridster.moveOverlappingItems(this),this.gridster.layoutChanged()),h}},this.setSizeY=function(a,b){return this.setSize("Y",a,b)},this.setSizeX=function(a,b){return this.setSize("X",a,b)},this.setElementPosition=function(){this.gridster.isMobile?this.$element.css({marginLeft:this.gridster.margins[0]+"px",marginRight:this.gridster.margins[0]+"px",marginTop:this.gridster.margins[1]+"px",marginBottom:this.gridster.margins[1]+"px",top:"",left:""}):this.$element.css({margin:0,top:this.row*this.gridster.curRowHeight+(this.gridster.outerMargin?this.gridster.margins[0]:0)+"px",left:this.col*this.gridster.curColWidth+(this.gridster.outerMargin?this.gridster.margins[1]:0)+"px"})},this.setElementSizeY=function(){this.gridster.isMobile&&!this.gridster.saveGridItemCalculatedHeightInMobile?this.$element.css("height",""):this.$element.css("height",this.sizeY*this.gridster.curRowHeight-this.gridster.margins[0]+"px")},this.setElementSizeX=function(){this.gridster.isMobile?this.$element.css("width",""):this.$element.css("width",this.sizeX*this.gridster.curColWidth-this.gridster.margins[1]+"px")},this.getElementSizeX=function(){return this.sizeX*this.gridster.curColWidth-this.gridster.margins[1]},this.getElementSizeY=function(){return this.sizeY*this.gridster.curRowHeight-this.gridster.margins[0]}}).factory("GridsterTouch",[function(){return function(a,b,c,d){var e,f,g={},h=function(a){if(Object.keys)return Object.keys(a).length;var b,c=0;for(b in a)++c;return c},i=function(a){for(var b=0,c=0,d=navigator.userAgent.match(/\bMSIE\b/),e=a;null!=e;e=e.offsetParent)d&&(!document.documentMode||document.documentMode<8)&&"relative"===e.currentStyle.position&&e.offsetParent&&"relative"===e.offsetParent.currentStyle.position&&e.offsetLeft===e.offsetParent.offsetLeft?c+=e.offsetTop:(b+=e.offsetLeft,c+=e.offsetTop);return{x:b,y:c}},j=i(a),k=!1,l=function(e){if("mousemove"!==e.type||0!==h(g)){for(var f=!0,m=e.changedTouches?e.changedTouches:[e],n=0;n<m.length;++n){var o=m[n],p="undefined"!=typeof o.identifier?o.identifier:"undefined"!=typeof o.pointerId?o.pointerId:1;if("undefined"==typeof o.pageX)if(o.pageX=o.offsetX+j.x,o.pageY=o.offsetY+j.y,o.srcElement.offsetParent===a&&document.documentMode&&8===document.documentMode&&"mousedown"===o.type)o.pageX+=o.srcElement.offsetLeft,o.pageY+=o.srcElement.offsetTop;else if(o.srcElement!==a&&!document.documentMode||document.documentMode<8){for(var q=-2,r=-2,s=o.srcElement;null!==s;s=s.parentNode)q+=s.scrollLeft?s.scrollLeft:0,r+=s.scrollTop?s.scrollTop:0;o.pageX=o.clientX+q,o.pageY=o.clientY+r}var t=o.pageX,u=o.pageY;e.type.match(/(start|down)$/i)?(j=i(a),g[p]&&(d&&d({target:e.target,which:e.which,pointerId:p,pageX:t,pageY:u}),delete g[p]),b&&f&&(f=b({target:e.target,which:e.which,pointerId:p,pageX:t,pageY:u})),g[p]={x:t,y:u},a.msSetPointerCapture&&f?a.msSetPointerCapture(p):"mousedown"===e.type&&1===h(g)&&(k?a.setCapture(!0):(document.addEventListener("mousemove",l,!1),document.addEventListener("mouseup",l,!1)))):e.type.match(/move$/i)?!g[p]||g[p].x===t&&g[p].y===u||(c&&f&&(f=c({target:e.target,which:e.which,pointerId:p,pageX:t,pageY:u})),g[p].x=t,g[p].y=u):g[p]&&e.type.match(/(up|end|cancel)$/i)&&(d&&f&&(f=d({target:e.target,which:e.which,pointerId:p,pageX:t,pageY:u})),delete g[p],a.msReleasePointerCapture?a.msReleasePointerCapture(p):"mouseup"===e.type&&0===h(g)&&(k?a.releaseCapture():(document.removeEventListener("mousemove",l,!1),document.removeEventListener("mouseup",l,!1))))}f&&(e.preventDefault&&e.preventDefault(),e.preventManipulation&&e.preventManipulation(),e.preventMouseEvent&&e.preventMouseEvent())}};return this.enable=function(){window.navigator.msPointerEnabled?(a.addEventListener("MSPointerDown",l,!1),a.addEventListener("MSPointerMove",l,!1),a.addEventListener("MSPointerUp",l,!1),a.addEventListener("MSPointerCancel",l,!1),"undefined"!=typeof a.style.msContentZooming&&(e=a.style.msContentZooming,a.style.msContentZooming="none"),"undefined"!=typeof a.style.msTouchAction&&(f=a.style.msTouchAction,a.style.msTouchAction="none")):a.addEventListener?(a.addEventListener("touchstart",l,!1),a.addEventListener("touchmove",l,!1),a.addEventListener("touchend",l,!1),a.addEventListener("touchcancel",l,!1),a.addEventListener("mousedown",l,!1),a.setCapture&&!window.navigator.userAgent.match(/\bGecko\b/)&&(k=!0,a.addEventListener("mousemove",l,!1),a.addEventListener("mouseup",l,!1))):a.attachEvent&&a.setCapture&&(k=!0,a.attachEvent("onmousedown",function(){return l(window.event),window.event.returnValue=!1,!1}),a.attachEvent("onmousemove",function(){return l(window.event),window.event.returnValue=!1,!1}),a.attachEvent("onmouseup",function(){return l(window.event),window.event.returnValue=!1,!1}))},this.disable=function(){window.navigator.msPointerEnabled?(a.removeEventListener("MSPointerDown",l,!1),a.removeEventListener("MSPointerMove",l,!1),a.removeEventListener("MSPointerUp",l,!1),a.removeEventListener("MSPointerCancel",l,!1),e&&(a.style.msContentZooming=e),f&&(a.style.msTouchAction=f)):a.removeEventListener?(a.removeEventListener("touchstart",l,!1),a.removeEventListener("touchmove",l,!1),a.removeEventListener("touchend",l,!1),a.removeEventListener("touchcancel",l,!1),a.removeEventListener("mousedown",l,!1),a.setCapture&&!window.navigator.userAgent.match(/\bGecko\b/)&&(k=!0,a.removeEventListener("mousemove",l,!1),a.removeEventListener("mouseup",l,!1))):a.detachEvent&&a.setCapture&&(k=!0,a.detachEvent("onmousedown"),a.detachEvent("onmousemove"),a.detachEvent("onmouseup"))},this}}]).factory("GridsterDraggable",["$document","$window","GridsterTouch",function(b,c,d){function e(e,f,g,h,i){function j(a){e.addClass("gridster-item-moving"),g.movingItem=h,g.updateHeight(h.sizeY),f.$apply(function(){g.draggable&&g.draggable.start&&g.draggable.start(a,e,i,h)})}function k(a){var b=h.row,d=h.col,j=g.draggable&&g.draggable.drag,k=g.draggable.scrollSensitivity,l=g.draggable.scrollSpeed,m=Math.min(g.pixelsToRows(q),g.maxRows-1),n=Math.min(g.pixelsToColumns(p),g.columns-1),o=g.getItems(m,n,h.sizeX,h.sizeY,h),r=0!==o.length;if(g.swapping===!0&&r){var s=g.getBoundingBox(o),t=s.sizeX===h.sizeX&&s.sizeY===h.sizeY,u=s.row===b,v=s.col===d,w=s.row===m&&s.col===n,x=u||v;if(t&&1===o.length){if(w)g.swapItems(h,o[0]);else if(x)return}else if(s.sizeX<=h.sizeX&&s.sizeY<=h.sizeY&&x)for(var y=h.row<=m?h.row:m+h.sizeY,z=h.col<=n?h.col:n+h.sizeX,A=y-s.row,B=z-s.col,C=0,E=o.length;C<E;++C){var F=o[C],G=g.getItems(F.row+A,F.col+B,F.sizeX,F.sizeY,h);0===G.length&&g.putItem(F,F.row+A,F.col+B)}}g.pushing===!1&&r||(h.row=m,h.col=n),a.pageY-D.body.scrollTop<k?D.body.scrollTop=D.body.scrollTop-l:c.innerHeight-(a.pageY-D.body.scrollTop)<k&&(D.body.scrollTop=D.body.scrollTop+l),a.pageX-D.body.scrollLeft<k?D.body.scrollLeft=D.body.scrollLeft-l:c.innerWidth-(a.pageX-D.body.scrollLeft)<k&&(D.body.scrollLeft=D.body.scrollLeft+l),(j||b!==h.row||d!==h.col)&&f.$apply(function(){j&&g.draggable.drag(a,e,i,h)})}function l(a){e.removeClass("gridster-item-moving");var b=Math.min(g.pixelsToRows(q),g.maxRows-1),c=Math.min(g.pixelsToColumns(p),g.columns-1);g.pushing===!1&&0!==g.getItems(b,c,h.sizeX,h.sizeY,h).length||(h.row=b,h.col=c),g.movingItem=null,h.setPosition(h.row,h.col),f.$apply(function(){g.draggable&&g.draggable.stop&&g.draggable.stop(a,e,i,h)})}function m(b){if(E.indexOf(b.target.nodeName.toLowerCase())!==-1)return!1;var c=a.element(b.target);if(c.hasClass("gridster-item-resizable-handler"))return!1;if(c.attr("onclick")||c.attr("ng-click"))return!1;if(c.closest&&c.closest(".gridster-no-drag").length)return!1;if(g.draggable&&g.draggable.handle){var d=a.element(e[0].querySelectorAll(g.draggable.handle)),f=!1;a:for(var i=0,k=d.length;i<k;++i){var l=d[i];if(l===b.target){f=!0;break}for(var m=b.target,n=0;n<20;++n){var o=m.parentNode;if(o===e[0]||!o)break;if(o===l){f=!0;break a}m=o}}if(!f)return!1}switch(b.which){case 1:break;case 2:case 3:return}return x=b.pageX,y=b.pageY,p=parseInt(e.css("left"),10),q=parseInt(e.css("top"),10),r=e[0].offsetWidth,s=e[0].offsetHeight,t=h.col,u=h.row,j(b),!0}function n(a){if(!e.hasClass("gridster-item-moving")||e.hasClass("gridster-item-resizing"))return!1;var b=g.curWidth-1,c=g.curRowHeight*g.maxRows-1;v=a.pageX,w=a.pageY;var d=v-x+z,f=w-y+A;z=A=0,x=v,y=w;var h=d,i=f;return p+h<C?(d=C-p,z=h-d):p+r+h>b&&(d=b-p-r,z=h-d),q+i<B?(f=B-q,A=i-f):q+s+i>c&&(f=c-q-s,A=i-f),p+=d,q+=f,e.css({top:q+"px",left:p+"px"}),k(a),!0}function o(a){return!(!e.hasClass("gridster-item-moving")||e.hasClass("gridster-item-resizing"))&&(z=A=0,l(a),!0)}var p,q,r,s,t,u,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=b[0],E=["select","option","input","textarea","button"],F=null,G=null;this.enable=function(){if(F!==!0){if(F=!0,G)return void G.enable();G=new d(e[0],m,n,o),G.enable()}},this.disable=function(){F!==!1&&(F=!1,G&&G.disable())},this.toggle=function(a){a?this.enable():this.disable()},this.destroy=function(){this.disable()}}return e}]).factory("GridsterResizable",["GridsterTouch",function(b){function c(c,d,e,f,g){function h(h){function i(a){c.addClass("gridster-item-moving"),c.addClass("gridster-item-resizing"),e.movingItem=f,f.setElementSizeX(),f.setElementSizeY(),f.setElementPosition(),e.updateHeight(1),d.$apply(function(){e.resizable&&e.resizable.start&&e.resizable.start(a,c,g,f)})}function j(a){var b=f.row,i=f.col,j=f.sizeX,k=f.sizeY,l=e.resizable&&e.resizable.resize,m=f.col;["w","nw","sw"].indexOf(h)!==-1&&(m=e.pixelsToColumns(o,!1));var n=f.row;["n","ne","nw"].indexOf(h)!==-1&&(n=e.pixelsToRows(p,!1));var s=f.sizeX;["n","s"].indexOf(h)===-1&&(s=e.pixelsToColumns(q,!0));var t=f.sizeY;["e","w"].indexOf(h)===-1&&(t=e.pixelsToRows(r,!0));var u=n>-1&&m>-1&&s+m<=e.columns&&t+n<=e.maxRows;!u||e.pushing===!1&&0!==e.getItems(n,m,s,t,f).length||(f.row=n,f.col=m,f.sizeX=s,f.sizeY=t);var v=f.row!==b||f.col!==i||f.sizeX!==j||f.sizeY!==k;(l||v)&&d.$apply(function(){l&&e.resizable.resize(a,c,g,f)})}function k(a){c.removeClass("gridster-item-moving"),c.removeClass("gridster-item-resizing"),e.movingItem=null,f.setPosition(f.row,f.col),f.setSizeY(f.sizeY),f.setSizeX(f.sizeX),d.$apply(function(){e.resizable&&e.resizable.stop&&e.resizable.stop(a,c,g,f)})}function l(a){switch(a.which){case 1:break;case 2:case 3:return}return u=e.draggable.enabled,u&&(e.draggable.enabled=!1,d.$broadcast("gridster-draggable-changed",e)),z=a.pageX,A=a.pageY,o=parseInt(c.css("left"),10),p=parseInt(c.css("top"),10),q=c[0].offsetWidth,r=c[0].offsetHeight,s=f.sizeX,t=f.sizeY,i(a),!0}function m(a){var b=e.curWidth-1;x=a.pageX,y=a.pageY;var d=x-z+B,f=y-A+C;B=C=0,z=x,A=y;var g=f,h=d;return w.indexOf("n")>=0&&(r-g<G()?(f=r-G(),C=g-f):p+g<D&&(f=D-p,C=g-f),p+=f,r-=f),w.indexOf("s")>=0&&(r+g<G()?(f=G()-r,C=g-f):p+r+g>E&&(f=E-p-r,C=g-f),r+=f),w.indexOf("w")>=0&&(q-h<H()?(d=q-H(),B=h-d):o+h<F&&(d=F-o,B=h-d),o+=d,q-=d),w.indexOf("e")>=0&&(q+h<H()?(d=H()-q,B=h-d):o+q+h>b&&(d=b-o-q,B=h-d),q+=d),c.css({top:p+"px",left:o+"px",width:q+"px",height:r+"px"}),j(a),!0}function n(a){return e.draggable.enabled!==u&&(e.draggable.enabled=u,d.$broadcast("gridster-draggable-changed",e)),B=C=0,k(a),!0}var o,p,q,r,s,t,u,v,w=h,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=9999,F=0,G=function(){return(f.minSizeY?f.minSizeY:1)*e.curRowHeight-e.margins[0]},H=function(){return(f.minSizeX?f.minSizeX:1)*e.curColWidth-e.margins[1]},I=null;this.enable=function(){I||(I=a.element('<div class="gridster-item-resizable-handler handle-'+w+'"></div>'),c.append(I)),v=new b(I[0],l,m,n),v.enable()},this.disable=function(){I&&(I.remove(),I=null),v.disable(),v=void 0},this.destroy=function(){this.disable()}}var i=[],j=e.resizable.handles;"string"==typeof j&&(j=e.resizable.handles.split(","));for(var k=!1,l=0,m=j.length;l<m;l++)i.push(new h(j[l]));this.enable=function(){if(!k){for(var a=0,b=i.length;a<b;a++)i[a].enable();k=!0}},this.disable=function(){if(k){for(var a=0,b=i.length;a<b;a++)i[a].disable();k=!1}},this.toggle=function(a){a?this.enable():this.disable()},this.destroy=function(){for(var a=0,b=i.length;a<b;a++)i[a].destroy()}}return c}]).factory("gridsterDebounce",function(){return function(a,b,c){var d;return function(){var e=this,f=arguments,g=function(){d=null,c||a.apply(e,f)},h=c&&!d;clearTimeout(d),d=setTimeout(g,b),h&&a.apply(e,f)}}}).directive("gridsterItem",["$parse","GridsterDraggable","GridsterResizable","gridsterDebounce",function(a,b,c,d){return{scope:!0,restrict:"EA",controller:"GridsterItemCtrl",controllerAs:"gridsterItem",require:["^gridster","gridsterItem"],link:function(e,f,g,h){function i(){o.setPosition(o.row,o.col),r.row&&r.row.assign&&r.row.assign(e,o.row),r.col&&r.col.assign&&r.col.assign(e,o.col)}function j(){var a=o.setSizeX(o.sizeX,!0);a&&r.sizeX&&r.sizeX.assign&&r.sizeX.assign(e,o.sizeX);var b=o.setSizeY(o.sizeY,!0);b&&r.sizeY&&r.sizeY.assign&&r.sizeY.assign(e,o.sizeY),(a||b)&&(o.gridster.moveOverlappingItems(o),n.layoutChanged(),e.$broadcast("gridster-item-resized",o))}function k(){var a=document.createElement("div"),b={transition:"transitionend",OTransition:"oTransitionEnd",MozTransition:"transitionend",WebkitTransition:"webkitTransitionEnd"};for(var c in b)if(void 0!==a.style[c])return b[c]}var l,m=g.gridsterItem,n=h[0],o=h[1];if(e.gridster=n,m){var p=a(m);l=p(e)||{},!l&&p.assign&&(l={row:o.row,col:o.col,sizeX:o.sizeX,sizeY:o.sizeY,minSizeX:0,minSizeY:0,maxSizeX:null,maxSizeY:null},p.assign(e,l))}else l=g;o.init(f,n),f.addClass("gridster-item");for(var q=["minSizeX","maxSizeX","minSizeY","maxSizeY","sizeX","sizeY","row","col"],r={},s=[],t=function(b){var c;if("string"==typeof l[b])c=l[b];else if("string"==typeof l[b.toLowerCase()])c=l[b.toLowerCase()];else{if(!m)return;c=m+"."+b}s.push('"'+b+'":'+c),r[b]=a(c);var d=r[b](e);"number"==typeof d&&(o[b]=d)},u=0,v=q.length;u<v;++u)t(q[u]);var w="{"+s.join(",")+"}";e.$watchCollection(w,function(a,b){for(var c in a){var d=a[c],e=b[c];e!==d&&(d=parseInt(d,10),isNaN(d)||(o[c]=d))}}),e.$watch(function(){return o.row+","+o.col},i),e.$watch(function(){return o.sizeY+","+o.sizeX+","+o.minSizeX+","+o.maxSizeX+","+o.minSizeY+","+o.maxSizeY},j);var x=new b(f,e,n,o,l),y=new c(f,e,n,o,l),z=function(){y.toggle(!n.isMobile&&n.resizable&&n.resizable.enabled)};z();var A=function(){x.toggle(!n.isMobile&&n.draggable&&n.draggable.enabled)};A(),e.$on("gridster-draggable-changed",A),e.$on("gridster-resizable-changed",z),e.$on("gridster-resized",z),e.$on("gridster-mobile-changed",function(){z(),A()});var B=d(function(){e.$apply(function(){e.$broadcast("gridster-item-transition-end",o)})},50);return f.on(k(),B),e.$broadcast("gridster-item-initialized",o),e.$on("$destroy",function(){try{y.destroy(),x.destroy()}catch(a){}try{n.removeItem(o)}catch(a){}try{o.destroy()}catch(a){}})}}}]).directive("gridsterNoDrag",function(){return{restrict:"A",link:function(a,b){b.addClass("gridster-no-drag")}}})});
\ No newline at end of file
+!function(a,b){"use strict";"function"==typeof define&&define.amd?define(["angular"],b):"object"==typeof exports?module.exports=b(require("angular")):b(a.angular)}(this,function(a){"use strict";return a.module("gridster",[]).constant("gridsterConfig",{columns:6,pushing:!0,floating:!0,swapping:!1,width:"auto",colWidth:"auto",rowHeight:"match",margins:[10,10],outerMargin:!0,sparse:!1,isMobile:!1,mobileBreakPoint:600,mobileModeEnabled:!0,minColumns:1,minRows:1,maxRows:100,defaultSizeX:2,defaultSizeY:1,minSizeX:1,maxSizeX:null,minSizeY:1,maxSizeY:null,saveGridItemCalculatedHeightInMobile:!1,resizable:{enabled:!0,handles:["s","e","n","w","se","ne","sw","nw"]},draggable:{enabled:!0,scrollSensitivity:20,scrollSpeed:15}}).controller("GridsterCtrl",["gridsterConfig","$timeout",function(b,c){var d=this;a.extend(this,b),this.resizable=a.extend({},b.resizable||{}),this.draggable=a.extend({},b.draggable||{});var e=!1;this.layoutChanged=function(){e||(e=!0,c(function(){e=!1,d.loaded&&d.floatItemsUp(),d.updateHeight(d.movingItem?d.movingItem.sizeY:0)},30))},this.grid=[],this.allItems=[],this.destroy=function(){this.grid&&(this.grid=[]),this.$element=null,this.allItems&&(this.allItems.length=0,this.allItems=null)},this.setOptions=function(b){if(b)if(b=a.extend({},b),b.draggable&&(a.extend(this.draggable,b.draggable),delete b.draggable),b.resizable&&(a.extend(this.resizable,b.resizable),delete b.resizable),a.extend(this,b),this.margins&&2===this.margins.length)for(var c=0,d=this.margins.length;c<d;++c)this.margins[c]=parseInt(this.margins[c],10),isNaN(this.margins[c])&&(this.margins[c]=0);else this.margins=[0,0]},this.canItemOccupy=function(a,b,c){return b>-1&&c>-1&&a.sizeX+c<=this.columns&&a.sizeY+b<=this.maxRows},this.autoSetItemPosition=function(a){for(var b=0;b<this.maxRows;++b)for(var c=0;c<this.columns;++c){var d=this.getItems(b,c,a.sizeX,a.sizeY,a);if(0===d.length&&this.canItemOccupy(a,b,c))return void this.putItem(a,b,c)}throw new Error("Unable to place item!")},this.getItems=function(a,b,c,d,e){var f=[];c&&d||(c=d=1),!e||e instanceof Array||(e=[e]);var g;if(this.sparse===!1)for(var h=0;h<d;++h)for(var i=0;i<c;++i)g=this.getItem(a+h,b+i,e),!g||e&&e.indexOf(g)!==-1||f.indexOf(g)!==-1||f.push(g);else for(var j=a+d-1,k=b+c-1,l=0;l<this.allItems.length;++l)g=this.allItems[l],!g||e&&e.indexOf(g)!==-1||f.indexOf(g)!==-1||!this.intersect(g,b,k,a,j)||f.push(g);return f},this.getBoundingBox=function(a){if(0===a.length)return null;if(1===a.length)return{row:a[0].row,col:a[0].col,sizeY:a[0].sizeY,sizeX:a[0].sizeX};for(var b=0,c=0,d=9999,e=9999,f=0,g=a.length;f<g;++f){var h=a[f];d=Math.min(h.row,d),e=Math.min(h.col,e),b=Math.max(h.row+h.sizeY,b),c=Math.max(h.col+h.sizeX,c)}return{row:d,col:e,sizeY:b-d,sizeX:c-e}},this.intersect=function(a,b,c,d,e){return b<=a.col+a.sizeX-1&&c>=a.col&&d<=a.row+a.sizeY-1&&e>=a.row},this.removeItem=function(a){for(var b,c=0,d=this.grid.length;c<d;++c){var e=this.grid[c];if(e&&(b=e.indexOf(a),b!==-1)){e[b]=null;break}}this.sparse&&(b=this.allItems.indexOf(a),b!==-1&&this.allItems.splice(b,1)),this.layoutChanged()},this.getItem=function(a,b,c){!c||c instanceof Array||(c=[c]);for(var d=1;a>-1;){for(var e=1,f=b;f>-1;){var g=this.grid[a];if(g){var h=g[f];if(h&&(!c||c.indexOf(h)===-1)&&h.sizeX>=e&&h.sizeY>=d)return h}++e,--f}--a,++d}return null},this.putItems=function(a){for(var b=0,c=a.length;b<c;++b)this.putItem(a[b])},this.putItem=function(a,b,c,d){if(("undefined"==typeof b||null===b)&&(b=a.row,c=a.col,"undefined"==typeof b||null===b))return void this.autoSetItemPosition(a);if(this.canItemOccupy(a,b,c)||(c=Math.min(this.columns-a.sizeX,Math.max(0,c)),b=Math.min(this.maxRows-a.sizeY,Math.max(0,b))),null!==a.oldRow&&"undefined"!=typeof a.oldRow){var e=a.oldRow===b&&a.oldColumn===c,f=this.grid[b]&&this.grid[b][c]===a;if(e&&f)return a.row=b,void(a.col=c);var g=this.grid[a.oldRow];g&&g[a.oldColumn]===a&&delete g[a.oldColumn]}a.oldRow=a.row=b,a.oldColumn=a.col=c,this.moveOverlappingItems(a,d),this.grid[b]||(this.grid[b]=[]),this.grid[b][c]=a,this.sparse&&this.allItems.indexOf(a)===-1&&this.allItems.push(a),this.movingItem===a&&this.floatItemUp(a),this.layoutChanged()},this.swapItems=function(a,b){this.grid[a.row][a.col]=b,this.grid[b.row][b.col]=a;var c=a.row,d=a.col;a.row=b.row,a.col=b.col,b.row=c,b.col=d},this.moveOverlappingItems=function(a,b){b?b.indexOf(a)===-1&&(b=b.slice(0),b.push(a)):b=[a];var c=this.getItems(a.row,a.col,a.sizeX,a.sizeY,b);this.moveItemsDown(c,a.row+a.sizeY,b)},this.moveItemsDown=function(a,b,c){if(a&&0!==a.length){a.sort(function(a,b){return a.row-b.row}),c=c?c.slice(0):[];var d,e,f,g={};for(e=0,f=a.length;e<f;++e){d=a[e];var h=g[d.col];("undefined"==typeof h||d.row<h)&&(g[d.col]=d.row)}for(e=0,f=a.length;e<f;++e){d=a[e];var i=b-g[d.col];this.moveItemDown(d,d.row+i,c),c.push(d)}}},this.moveItemDown=function(a,b,c){if(!(a.row>=b)){for(;a.row<b;)++a.row,this.moveOverlappingItems(a,c);this.putItem(a,a.row,a.col,c)}},this.floatItemsUp=function(){if(this.floating!==!1)for(var a=0,b=this.grid.length;a<b;++a){var c=this.grid[a];if(c)for(var d=0,e=c.length;d<e;++d){var f=c[d];f&&this.floatItemUp(f)}}},this.floatItemUp=function(a){if(this.floating!==!1){for(var b=a.col,c=a.sizeY,d=a.sizeX,e=null,f=null,g=a.row-1;g>-1;){var h=this.getItems(g,b,d,c,a);if(0!==h.length)break;e=g,f=b,--g}null!==e&&this.putItem(a,e,f)}},this.updateHeight=function(a){var b=this.minRows;a=a||0;for(var c=this.grid.length;c>=0;--c){var d=this.grid[c];if(d)for(var e=0,f=d.length;e<f;++e)d[e]&&(b=Math.max(b,c+a+d[e].sizeY))}this.gridHeight=this.maxRows-b>0?Math.min(this.maxRows,b):Math.max(this.maxRows,b)},this.pixelsToRows=function(a,b){return this.outerMargin||(a+=this.margins[0]/2),b===!0?Math.ceil(a/this.curRowHeight):b===!1?Math.floor(a/this.curRowHeight):Math.round(a/this.curRowHeight)},this.pixelsToColumns=function(a,b){return this.outerMargin||(a+=this.margins[1]/2),b===!0?Math.ceil(a/this.curColWidth):b===!1?Math.floor(a/this.curColWidth):Math.round(a/this.curColWidth)}}]).directive("gridsterPreview",function(){return{replace:!0,scope:!0,require:"^gridster",template:'<div ng-style="previewStyle()" class="gridster-item gridster-preview-holder"></div>',link:function(a,b,c,d){a.previewStyle=function(){return d.movingItem?{display:"block",height:d.movingItem.sizeY*d.curRowHeight-d.margins[0]+"px",width:d.movingItem.sizeX*d.curColWidth-d.margins[1]+"px",top:d.movingItem.row*d.curRowHeight+(d.outerMargin?d.margins[0]:0)+"px",left:d.movingItem.col*d.curColWidth+(d.outerMargin?d.margins[1]:0)+"px"}:{display:"none"}}}}}).directive("gridster",["$timeout","$window","$rootScope","gridsterDebounce",function(b,c,d,e){return{scope:!0,restrict:"EAC",controller:"GridsterCtrl",controllerAs:"gridster",compile:function(f){return f.prepend('<div ng-if="gridster.movingItem" gridster-preview></div>'),function(f,g,h,i){function j(){g.css("height",i.gridHeight*i.curRowHeight+(i.outerMargin?i.margins[0]:-i.margins[0])+"px")}function k(a){if(i.setOptions(a),l(g[0])){"auto"===i.width?i.curWidth=g[0].offsetWidth||parseInt(g.css("width"),10):i.curWidth=i.width,"auto"===i.colWidth?i.curColWidth=(i.curWidth+(i.outerMargin?-i.margins[1]:i.margins[1]))/i.columns:i.curColWidth=i.colWidth,i.curRowHeight=i.rowHeight,"string"==typeof i.rowHeight&&("match"===i.rowHeight?i.curRowHeight=Math.round(i.curColWidth):i.rowHeight.indexOf("*")!==-1?i.curRowHeight=Math.round(i.curColWidth*i.rowHeight.replace("*","").replace(" ","")):i.rowHeight.indexOf("/")!==-1&&(i.curRowHeight=Math.round(i.curColWidth/i.rowHeight.replace("/","").replace(" ","")))),i.isMobile=i.mobileModeEnabled&&i.curWidth<=i.mobileBreakPoint;for(var b=0,c=i.grid.length;b<c;++b){var d=i.grid[b];if(d)for(var e=0,f=d.length;e<f;++e)if(d[e]){var h=d[e];h.setElementPosition(),h.setElementSizeY(),h.setElementSizeX()}}j()}}i.loaded=!1,i.$element=g,f.gridster=i,g.addClass("gridster");var l=function(a){return"hidden"!==a.style.visibility&&"none"!==a.style.display};f.$watch(function(){return i.gridHeight},j),f.$watch(function(){return i.movingItem},function(){i.updateHeight(i.movingItem?i.movingItem.sizeY:0)});var m=h.gridster;m?f.$parent.$watch(m,function(a){k(a)},!0):k({}),f.$watch(function(){return i.loaded},function(){i.loaded?(g.addClass("gridster-loaded"),d.$broadcast("gridster-loaded",i)):g.removeClass("gridster-loaded")}),f.$watch(function(){return i.isMobile},function(){i.isMobile?g.addClass("gridster-mobile").removeClass("gridster-desktop"):g.removeClass("gridster-mobile").addClass("gridster-desktop"),d.$broadcast("gridster-mobile-changed",i)}),f.$watch(function(){return i.draggable},function(){d.$broadcast("gridster-draggable-changed",i)},!0),f.$watch(function(){return i.resizable},function(){d.$broadcast("gridster-resizable-changed",i)},!0);var n=g[0].offsetWidth||parseInt(g.css("width"),10),o=function(){var a=g[0].offsetWidth||parseInt(g.css("width"),10);a&&a!==n&&!i.movingItem&&(n=a,i.loaded&&g.removeClass("gridster-loaded"),k(),i.loaded&&g.addClass("gridster-loaded"),d.$broadcast("gridster-resized",[a,g[0].offsetHeight],i))},p=e(function(){o(),b(function(){f.$apply()})},100);f.$watch(function(){return l(g[0])},p),"function"==typeof window.addResizeListener?window.addResizeListener(g[0],p):f.$watch(function(){return g[0].offsetWidth||parseInt(g.css("width"),10)},o);var q=a.element(c);q.on("resize",p),f.$on("$destroy",function(){i.destroy(),q.off("resize",p),"function"==typeof window.removeResizeListener&&window.removeResizeListener(g[0],p)}),b(function(){f.$watch("gridster.floating",function(){i.floatItemsUp()}),i.loaded=!0},100)}}}}]).controller("GridsterItemCtrl",function(){this.$element=null,this.gridster=null,this.row=null,this.col=null,this.sizeX=null,this.sizeY=null,this.minSizeX=0,this.minSizeY=0,this.maxSizeX=null,this.maxSizeY=null,this.init=function(a,b){this.$element=a,this.gridster=b,this.sizeX=b.defaultSizeX,this.sizeY=b.defaultSizeY},this.destroy=function(){this.gridster=null,this.$element=null},this.toJSON=function(){return{row:this.row,col:this.col,sizeY:this.sizeY,sizeX:this.sizeX}},this.isMoving=function(){return this.gridster.movingItem===this},this.setPosition=function(a,b){this.gridster.putItem(this,a,b),this.isMoving()||this.setElementPosition()},this.setSize=function(a,b,c){a=a.toUpperCase();var d="size"+a,e="Size"+a;if(""!==b){b=parseInt(b,10),(isNaN(b)||0===b)&&(b=this.gridster["default"+e]);var f="X"===a?this.gridster.columns:this.gridster.maxRows;this["max"+e]&&(f=Math.min(this["max"+e],f)),this.gridster["max"+e]&&(f=Math.min(this.gridster["max"+e],f)),"X"===a&&this.cols?f-=this.cols:"Y"===a&&this.rows&&(f-=this.rows);var g=0;this["min"+e]&&(g=Math.max(this["min"+e],g)),this.gridster["min"+e]&&(g=Math.max(this.gridster["min"+e],g)),b=Math.max(Math.min(b,f),g);var h=this[d]!==b||this["old"+e]&&this["old"+e]!==b;return this["old"+e]=this[d]=b,this.isMoving()||this["setElement"+e](),!c&&h&&(this.gridster.moveOverlappingItems(this),this.gridster.layoutChanged()),h}},this.setSizeY=function(a,b){return this.setSize("Y",a,b)},this.setSizeX=function(a,b){return this.setSize("X",a,b)},this.setElementPosition=function(){this.gridster.isMobile?this.$element.css({marginLeft:this.gridster.margins[0]+"px",marginRight:this.gridster.margins[0]+"px",marginTop:this.gridster.margins[1]+"px",marginBottom:this.gridster.margins[1]+"px",top:"",left:""}):this.$element.css({margin:0,top:this.row*this.gridster.curRowHeight+(this.gridster.outerMargin?this.gridster.margins[0]:0)+"px",left:this.col*this.gridster.curColWidth+(this.gridster.outerMargin?this.gridster.margins[1]:0)+"px"})},this.setElementSizeY=function(){this.gridster.isMobile&&!this.gridster.saveGridItemCalculatedHeightInMobile?this.$element.css("height",""):this.$element.css("height",this.sizeY*this.gridster.curRowHeight-this.gridster.margins[0]+"px")},this.setElementSizeX=function(){this.gridster.isMobile?this.$element.css("width",""):this.$element.css("width",this.sizeX*this.gridster.curColWidth-this.gridster.margins[1]+"px")},this.getElementSizeX=function(){return this.sizeX*this.gridster.curColWidth-this.gridster.margins[1]},this.getElementSizeY=function(){return this.sizeY*this.gridster.curRowHeight-this.gridster.margins[0]}}).factory("GridsterTouch",[function(){return function(a,b,c,d){var e,f,g={},h=function(a){if(Object.keys)return Object.keys(a).length;var b,c=0;for(b in a)++c;return c},i=function(a){for(var b=0,c=0,d=navigator.userAgent.match(/\bMSIE\b/),e=a;null!=e;e=e.offsetParent)d&&(!document.documentMode||document.documentMode<8)&&"relative"===e.currentStyle.position&&e.offsetParent&&"relative"===e.offsetParent.currentStyle.position&&e.offsetLeft===e.offsetParent.offsetLeft?c+=e.offsetTop:(b+=e.offsetLeft,c+=e.offsetTop);return{x:b,y:c}},j=i(a),k=!1,l=function(e){if("mousemove"!==e.type||0!==h(g)){for(var f=!0,m=e.changedTouches?e.changedTouches:[e],n=0;n<m.length;++n){var o=m[n],p="undefined"!=typeof o.identifier?o.identifier:"undefined"!=typeof o.pointerId?o.pointerId:1;if("undefined"==typeof o.pageX)if(o.pageX=o.offsetX+j.x,o.pageY=o.offsetY+j.y,o.srcElement.offsetParent===a&&document.documentMode&&8===document.documentMode&&"mousedown"===o.type)o.pageX+=o.srcElement.offsetLeft,o.pageY+=o.srcElement.offsetTop;else if(o.srcElement!==a&&!document.documentMode||document.documentMode<8){for(var q=-2,r=-2,s=o.srcElement;null!==s;s=s.parentNode)q+=s.scrollLeft?s.scrollLeft:0,r+=s.scrollTop?s.scrollTop:0;o.pageX=o.clientX+q,o.pageY=o.clientY+r}var t=o.pageX,u=o.pageY;e.type.match(/(start|down)$/i)?(j=i(a),g[p]&&(d&&d({target:e.target,which:e.which,pointerId:p,pageX:t,pageY:u}),delete g[p]),b&&f&&(f=b({target:e.target,which:e.which,pointerId:p,pageX:t,pageY:u})),g[p]={x:t,y:u},a.msSetPointerCapture&&f?a.msSetPointerCapture(p):"mousedown"===e.type&&1===h(g)&&(k?a.setCapture(!0):(document.addEventListener("mousemove",l,!1),document.addEventListener("mouseup",l,!1),document.addEventListener("mouseleave",l,!1)))):e.type.match(/move$/i)?!g[p]||g[p].x===t&&g[p].y===u||(c&&f&&(f=c({target:e.target,which:e.which,pointerId:p,pageX:t,pageY:u})),g[p].x=t,g[p].y=u):g[p]&&e.type.match(/(up|end|cancel|leave)$/i)&&(d&&f&&(f=d({target:e.target,which:e.which,pointerId:p,pageX:t,pageY:u})),delete g[p],a.msReleasePointerCapture?a.msReleasePointerCapture(p):"mouseup"===e.type&&0===h(g)&&(k?a.releaseCapture():(document.removeEventListener("mousemove",l,!1),document.removeEventListener("mouseup",l,!1),document.removeEventListener("mouseleave",l,!1))))}f&&(e.preventDefault&&e.preventDefault(),e.preventManipulation&&e.preventManipulation(),e.preventMouseEvent&&e.preventMouseEvent())}};return this.enable=function(){window.navigator.msPointerEnabled?(a.addEventListener("MSPointerDown",l,!1),a.addEventListener("MSPointerMove",l,!1),a.addEventListener("MSPointerUp",l,!1),a.addEventListener("MSPointerCancel",l,!1),"undefined"!=typeof a.style.msContentZooming&&(e=a.style.msContentZooming,a.style.msContentZooming="none"),"undefined"!=typeof a.style.msTouchAction&&(f=a.style.msTouchAction,a.style.msTouchAction="none")):a.addEventListener?(a.addEventListener("touchstart",l,!1),a.addEventListener("touchmove",l,!1),a.addEventListener("touchend",l,!1),a.addEventListener("touchcancel",l,!1),a.addEventListener("mousedown",l,!1),a.setCapture&&!window.navigator.userAgent.match(/\bGecko\b/)&&(k=!0,a.addEventListener("mousemove",l,!1),a.addEventListener("mouseup",l,!1))):a.attachEvent&&a.setCapture&&(k=!0,a.attachEvent("onmousedown",function(){return l(window.event),window.event.returnValue=!1,!1}),a.attachEvent("onmousemove",function(){return l(window.event),window.event.returnValue=!1,!1}),a.attachEvent("onmouseup",function(){return l(window.event),window.event.returnValue=!1,!1}))},this.disable=function(){window.navigator.msPointerEnabled?(a.removeEventListener("MSPointerDown",l,!1),a.removeEventListener("MSPointerMove",l,!1),a.removeEventListener("MSPointerUp",l,!1),a.removeEventListener("MSPointerCancel",l,!1),e&&(a.style.msContentZooming=e),f&&(a.style.msTouchAction=f)):a.removeEventListener?(a.removeEventListener("touchstart",l,!1),a.removeEventListener("touchmove",l,!1),a.removeEventListener("touchend",l,!1),a.removeEventListener("touchcancel",l,!1),a.removeEventListener("mousedown",l,!1),a.setCapture&&!window.navigator.userAgent.match(/\bGecko\b/)&&(k=!0,a.removeEventListener("mousemove",l,!1),a.removeEventListener("mouseup",l,!1))):a.detachEvent&&a.setCapture&&(k=!0,a.detachEvent("onmousedown"),a.detachEvent("onmousemove"),a.detachEvent("onmouseup"))},this}}]).factory("GridsterDraggable",["$document","$window","GridsterTouch",function(b,c,d){function e(e,f,g,h,i){function j(a){e.addClass("gridster-item-moving"),g.movingItem=h,g.updateHeight(h.sizeY),f.$apply(function(){g.draggable&&g.draggable.start&&g.draggable.start(a,e,i,h)})}function k(a){var b=h.row,d=h.col,j=g.draggable&&g.draggable.drag,k=g.draggable.scrollSensitivity,l=g.draggable.scrollSpeed,m=Math.min(g.pixelsToRows(q),g.maxRows-1),n=Math.min(g.pixelsToColumns(p),g.columns-1),o=g.getItems(m,n,h.sizeX,h.sizeY,h),r=0!==o.length;if(g.swapping===!0&&r){var s=g.getBoundingBox(o),t=s.sizeX===h.sizeX&&s.sizeY===h.sizeY,u=s.row===b,v=s.col===d,w=s.row===m&&s.col===n,x=u||v;if(t&&1===o.length){if(w)g.swapItems(h,o[0]);else if(x)return}else if(s.sizeX<=h.sizeX&&s.sizeY<=h.sizeY&&x)for(var y=h.row<=m?h.row:m+h.sizeY,z=h.col<=n?h.col:n+h.sizeX,A=y-s.row,B=z-s.col,C=0,E=o.length;C<E;++C){var F=o[C],G=g.getItems(F.row+A,F.col+B,F.sizeX,F.sizeY,h);0===G.length&&g.putItem(F,F.row+A,F.col+B)}}g.pushing===!1&&r||(h.row=m,h.col=n),a.pageY-D.body.scrollTop<k?D.body.scrollTop=D.body.scrollTop-l:c.innerHeight-(a.pageY-D.body.scrollTop)<k&&(D.body.scrollTop=D.body.scrollTop+l),a.pageX-D.body.scrollLeft<k?D.body.scrollLeft=D.body.scrollLeft-l:c.innerWidth-(a.pageX-D.body.scrollLeft)<k&&(D.body.scrollLeft=D.body.scrollLeft+l),(j||b!==h.row||d!==h.col)&&f.$apply(function(){j&&g.draggable.drag(a,e,i,h)})}function l(a){e.removeClass("gridster-item-moving");var b=Math.min(g.pixelsToRows(q),g.maxRows-1),c=Math.min(g.pixelsToColumns(p),g.columns-1);g.pushing===!1&&0!==g.getItems(b,c,h.sizeX,h.sizeY,h).length||(h.row=b,h.col=c),g.movingItem=null,h.setPosition(h.row,h.col),f.$apply(function(){g.draggable&&g.draggable.stop&&g.draggable.stop(a,e,i,h)})}function m(b){if(E.indexOf(b.target.nodeName.toLowerCase())!==-1)return!1;var c=a.element(b.target);if(c.hasClass("gridster-item-resizable-handler"))return!1;if(c.attr("onclick")||c.attr("ng-click"))return!1;if(c.closest&&c.closest(".gridster-no-drag").length)return!1;if(g.draggable&&g.draggable.handle){var d=a.element(e[0].querySelectorAll(g.draggable.handle)),f=!1;a:for(var i=0,k=d.length;i<k;++i){var l=d[i];if(l===b.target){f=!0;break}for(var m=b.target,n=0;n<20;++n){var o=m.parentNode;if(o===e[0]||!o)break;if(o===l){f=!0;break a}m=o}}if(!f)return!1}switch(b.which){case 1:break;case 2:case 3:return}return x=b.pageX,y=b.pageY,p=parseInt(e.css("left"),10),q=parseInt(e.css("top"),10),r=e[0].offsetWidth,s=e[0].offsetHeight,t=h.col,u=h.row,j(b),!0}function n(a){if(!e.hasClass("gridster-item-moving")||e.hasClass("gridster-item-resizing"))return!1;var b=g.curWidth-1,c=g.curRowHeight*g.maxRows-1;v=a.pageX,w=a.pageY;var d=v-x+z,f=w-y+A;z=A=0,x=v,y=w;var h=d,i=f;return p+h<C?(d=C-p,z=h-d):p+r+h>b&&(d=b-p-r,z=h-d),q+i<B?(f=B-q,A=i-f):q+s+i>c&&(f=c-q-s,A=i-f),p+=d,q+=f,e.css({top:q+"px",left:p+"px"}),k(a),!0}function o(a){return!(!e.hasClass("gridster-item-moving")||e.hasClass("gridster-item-resizing"))&&(z=A=0,l(a),!0)}var p,q,r,s,t,u,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=b[0],E=["select","option","input","textarea","button"],F=null,G=null;this.enable=function(){if(F!==!0){if(F=!0,G)return void G.enable();G=new d(e[0],m,n,o),G.enable()}},this.disable=function(){F!==!1&&(F=!1,G&&G.disable())},this.toggle=function(a){a?this.enable():this.disable()},this.destroy=function(){this.disable()}}return e}]).factory("GridsterResizable",["GridsterTouch",function(b){function c(c,d,e,f,g){function h(h){function i(a){c.addClass("gridster-item-moving"),c.addClass("gridster-item-resizing"),e.movingItem=f,f.setElementSizeX(),f.setElementSizeY(),f.setElementPosition(),e.updateHeight(1),d.$apply(function(){e.resizable&&e.resizable.start&&e.resizable.start(a,c,g,f)})}function j(a){var b=f.row,i=f.col,j=f.sizeX,k=f.sizeY,l=e.resizable&&e.resizable.resize,m=f.col;["w","nw","sw"].indexOf(h)!==-1&&(m=e.pixelsToColumns(o,!1));var n=f.row;["n","ne","nw"].indexOf(h)!==-1&&(n=e.pixelsToRows(p,!1));var s=f.sizeX;["n","s"].indexOf(h)===-1&&(s=e.pixelsToColumns(q,!0));var t=f.sizeY;["e","w"].indexOf(h)===-1&&(t=e.pixelsToRows(r,!0));var u=n>-1&&m>-1&&s+m<=e.columns&&t+n<=e.maxRows;!u||e.pushing===!1&&0!==e.getItems(n,m,s,t,f).length||(f.row=n,f.col=m,f.sizeX=s,f.sizeY=t);var v=f.row!==b||f.col!==i||f.sizeX!==j||f.sizeY!==k;(l||v)&&d.$apply(function(){l&&e.resizable.resize(a,c,g,f)})}function k(a){c.removeClass("gridster-item-moving"),c.removeClass("gridster-item-resizing"),e.movingItem=null,f.setPosition(f.row,f.col),f.setSizeY(f.sizeY),f.setSizeX(f.sizeX),d.$apply(function(){e.resizable&&e.resizable.stop&&e.resizable.stop(a,c,g,f)})}function l(a){switch(a.which){case 1:break;case 2:case 3:return}return u=e.draggable.enabled,u&&(e.draggable.enabled=!1,d.$broadcast("gridster-draggable-changed",e)),z=a.pageX,A=a.pageY,o=parseInt(c.css("left"),10),p=parseInt(c.css("top"),10),q=c[0].offsetWidth,r=c[0].offsetHeight,s=f.sizeX,t=f.sizeY,i(a),!0}function m(a){var b=e.curWidth-1;x=a.pageX,y=a.pageY;var d=x-z+B,f=y-A+C;B=C=0,z=x,A=y;var g=f,h=d;return w.indexOf("n")>=0&&(r-g<G()?(f=r-G(),C=g-f):p+g<D&&(f=D-p,C=g-f),p+=f,r-=f),w.indexOf("s")>=0&&(r+g<G()?(f=G()-r,C=g-f):p+r+g>E&&(f=E-p-r,C=g-f),r+=f),w.indexOf("w")>=0&&(q-h<H()?(d=q-H(),B=h-d):o+h<F&&(d=F-o,B=h-d),o+=d,q-=d),w.indexOf("e")>=0&&(q+h<H()?(d=H()-q,B=h-d):o+q+h>b&&(d=b-o-q,B=h-d),q+=d),c.css({top:p+"px",left:o+"px",width:q+"px",height:r+"px"}),j(a),!0}function n(a){return e.draggable.enabled!==u&&(e.draggable.enabled=u,d.$broadcast("gridster-draggable-changed",e)),B=C=0,k(a),!0}var o,p,q,r,s,t,u,v,w=h,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=999999,F=0,G=function(){return(f.minSizeY?f.minSizeY:1)*e.curRowHeight-e.margins[0]},H=function(){return(f.minSizeX?f.minSizeX:1)*e.curColWidth-e.margins[1]},I=null;this.enable=function(){I||(I=a.element('<div class="gridster-item-resizable-handler handle-'+w+'"></div>'),c.append(I)),v=new b(I[0],l,m,n),v.enable()},this.disable=function(){I&&(I.remove(),I=null),v.disable(),v=void 0},this.destroy=function(){this.disable()}}var i=[],j=e.resizable.handles;"string"==typeof j&&(j=e.resizable.handles.split(","));for(var k=!1,l=0,m=j.length;l<m;l++)i.push(new h(j[l]));this.enable=function(){if(!k){for(var a=0,b=i.length;a<b;a++)i[a].enable();k=!0}},this.disable=function(){if(k){for(var a=0,b=i.length;a<b;a++)i[a].disable();k=!1}},this.toggle=function(a){a?this.enable():this.disable()},this.destroy=function(){for(var a=0,b=i.length;a<b;a++)i[a].destroy()}}return c}]).factory("gridsterDebounce",function(){return function(a,b,c){var d;return function(){var e=this,f=arguments,g=function(){d=null,c||a.apply(e,f)},h=c&&!d;clearTimeout(d),d=setTimeout(g,b),h&&a.apply(e,f)}}}).directive("gridsterItem",["$parse","GridsterDraggable","GridsterResizable","gridsterDebounce",function(a,b,c,d){return{scope:!0,restrict:"EA",controller:"GridsterItemCtrl",controllerAs:"gridsterItem",require:["^gridster","gridsterItem"],link:function(e,f,g,h){function i(){o.setPosition(o.row,o.col),r.row&&r.row.assign&&r.row.assign(e,o.row),r.col&&r.col.assign&&r.col.assign(e,o.col)}function j(){var a=o.setSizeX(o.sizeX,!0);a&&r.sizeX&&r.sizeX.assign&&r.sizeX.assign(e,o.sizeX);var b=o.setSizeY(o.sizeY,!0);b&&r.sizeY&&r.sizeY.assign&&r.sizeY.assign(e,o.sizeY),(a||b)&&(o.gridster.moveOverlappingItems(o),n.layoutChanged(),e.$broadcast("gridster-item-resized",o))}function k(){var a=document.createElement("div"),b={transition:"transitionend",OTransition:"oTransitionEnd",MozTransition:"transitionend",WebkitTransition:"webkitTransitionEnd"};for(var c in 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c(f,e,n,o,l),z=function(){y.toggle(!n.isMobile&&n.resizable&&n.resizable.enabled)};z();var A=function(){x.toggle(!n.isMobile&&n.draggable&&n.draggable.enabled)};A(),e.$on("gridster-draggable-changed",A),e.$on("gridster-resizable-changed",z),e.$on("gridster-resized",z),e.$on("gridster-mobile-changed",function(){z(),A()});var B=d(function(){e.$apply(function(){e.$broadcast("gridster-item-transition-end",o)})},50);return f.on(k(),B),e.$broadcast("gridster-item-initialized",o),e.$on("$destroy",function(){try{y.destroy(),x.destroy()}catch(a){}try{n.removeItem(o)}catch(a){}try{o.destroy()}catch(a){}})}}}]).directive("gridsterNoDrag",function(){return{restrict:"A",link:function(a,b){b.addClass("gridster-no-drag")}}})});
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 00000000..feee8e8f
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,6782 @@
+{
+	"name": "angular-gridster",
+	"version": "0.13.14",
+	"lockfileVersion": 1,
+	"requires": true,
+	"dependencies": {
+		"@types/node": {
+			"version": "10.12.26",
+			"resolved": "https://registry.npmjs.org/@types/node/-/node-10.12.26.tgz",
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+			"dev": true
+		},
+		"@types/semver": {
+			"version": "5.5.0",
+			"resolved": "https://registry.npmjs.org/@types/semver/-/semver-5.5.0.tgz",
+			"integrity": "sha512-41qEJgBH/TWgo5NFSvBCJ1qkoi3Q6ONSF2avrHq1LVEZfYpdHmj0y9SuTK+u9ZhG1sYQKBL1AWXKyLWP4RaUoQ==",
+			"dev": true
+		},
+		"abbrev": {
+			"version": "1.1.1",
+			"resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
+			"integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q==",
+			"dev": true
+		},
+		"accepts": {
+			"version": "1.3.5",
+			"resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.5.tgz",
+			"integrity": "sha1-63d99gEXI6OxTopywIBcjoZ0a9I=",
+			"dev": true,
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+			"integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
+			"dev": true
+		},
+		"utils-merge": {
+			"version": "1.0.1",
+			"resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
+			"integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM=",
+			"dev": true
+		},
+		"uuid": {
+			"version": "3.3.2",
+			"resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
+			"integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA==",
+			"dev": true
+		},
+		"validate-npm-package-license": {
+			"version": "3.0.4",
+			"resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz",
+			"integrity": "sha512-DpKm2Ui/xN7/HQKCtpZxoRWBhZ9Z0kqtygG8XCgNQ8ZlDnxuQmWhj566j8fN4Cu3/JmbhsDo7fcAJq4s9h27Ew==",
+			"dev": true,
+			"requires": {
+				"spdx-correct": "^3.0.0",
+				"spdx-expression-parse": "^3.0.0"
+			}
+		},
+		"verror": {
+			"version": "1.10.0",
+			"resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
+			"integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
+			"dev": true,
+			"requires": {
+				"assert-plus": "^1.0.0",
+				"core-util-is": "1.0.2",
+				"extsprintf": "^1.2.0"
+			}
+		},
+		"void-elements": {
+			"version": "2.0.1",
+			"resolved": "https://registry.npmjs.org/void-elements/-/void-elements-2.0.1.tgz",
+			"integrity": "sha1-wGavtYK7HLQSjWDqkjkulNXp2+w=",
+			"dev": true
+		},
+		"websocket-driver": {
+			"version": "0.7.0",
+			"resolved": "https://registry.npmjs.org/websocket-driver/-/websocket-driver-0.7.0.tgz",
+			"integrity": "sha1-DK+dLXVdk67gSdS90NP+LMoqJOs=",
+			"dev": true,
+			"requires": {
+				"http-parser-js": ">=0.4.0",
+				"websocket-extensions": ">=0.1.1"
+			}
+		},
+		"websocket-extensions": {
+			"version": "0.1.3",
+			"resolved": "https://registry.npmjs.org/websocket-extensions/-/websocket-extensions-0.1.3.tgz",
+			"integrity": "sha512-nqHUnMXmBzT0w570r2JpJxfiSD1IzoI+HGVdd3aZ0yNi3ngvQ4jv1dtHt5VGxfI2yj5yqImPhOK4vmIh2xMbGg==",
+			"dev": true
+		},
+		"which": {
+			"version": "1.3.1",
+			"resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
+			"integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
+			"dev": true,
+			"requires": {
+				"isexe": "^2.0.0"
+			}
+		},
+		"window-size": {
+			"version": "0.1.0",
+			"resolved": "https://registry.npmjs.org/window-size/-/window-size-0.1.0.tgz",
+			"integrity": "sha1-VDjNLqk7IC76Ohn+iIeu58lPnJ0=",
+			"dev": true
+		},
+		"wordwrap": {
+			"version": "0.0.2",
+			"resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.2.tgz",
+			"integrity": "sha1-t5Zpu0LstAn4PVg8rVLKF+qhZD8=",
+			"dev": true
+		},
+		"wrappy": {
+			"version": "1.0.2",
+			"resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+			"integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+			"dev": true
+		},
+		"ws": {
+			"version": "1.1.5",
+			"resolved": "https://registry.npmjs.org/ws/-/ws-1.1.5.tgz",
+			"integrity": "sha512-o3KqipXNUdS7wpQzBHSe180lBGO60SoK0yVo3CYJgb2MkobuWuBX6dhkYP5ORCLd55y+SaflMOV5fqAB53ux4w==",
+			"dev": true,
+			"requires": {
+				"options": ">=0.0.5",
+				"ultron": "1.0.x"
+			}
+		},
+		"xml2js": {
+			"version": "0.4.4",
+			"resolved": "https://registry.npmjs.org/xml2js/-/xml2js-0.4.4.tgz",
+			"integrity": "sha1-MREBAAMAiuGSQOuhdJe1fHKcVV0=",
+			"dev": true,
+			"requires": {
+				"sax": "0.6.x",
+				"xmlbuilder": ">=1.0.0"
+			}
+		},
+		"xmlbuilder": {
+			"version": "11.0.0",
+			"resolved": "https://registry.npmjs.org/xmlbuilder/-/xmlbuilder-11.0.0.tgz",
+			"integrity": "sha512-LzeAc96zUlknAk0F+xOXC8hO1D4ISG1ivov9UBjFkPcbSk6jVGhm9J8pTQp1ksZp9YbOws8pae8tVs+hwQl12w==",
+			"dev": true
+		},
+		"xmlhttprequest-ssl": {
+			"version": "1.5.1",
+			"resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.1.tgz",
+			"integrity": "sha1-O3dB/qSoZnWXbpCNKW1ERZYfqmc=",
+			"dev": true
+		},
+		"xtend": {
+			"version": "4.0.1",
+			"resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
+			"integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68=",
+			"dev": true
+		},
+		"yallist": {
+			"version": "2.1.2",
+			"resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
+			"integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
+			"dev": true
+		},
+		"yargs": {
+			"version": "3.10.0",
+			"resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
+			"integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
+			"dev": true,
+			"requires": {
+				"camelcase": "^1.0.2",
+				"cliui": "^2.1.0",
+				"decamelize": "^1.0.0",
+				"window-size": "0.1.0"
+			},
+			"dependencies": {
+				"camelcase": {
+					"version": "1.2.1",
+					"resolved": "https://registry.npmjs.org/camelcase/-/camelcase-1.2.1.tgz",
+					"integrity": "sha1-m7UwTS4LVmmLLHWLCKPqqdqlijk=",
+					"dev": true
+				}
+			}
+		},
+		"yauzl": {
+			"version": "2.4.1",
+			"resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.4.1.tgz",
+			"integrity": "sha1-lSj0QtqxsihOWLQ3m7GU4i4MQAU=",
+			"dev": true,
+			"requires": {
+				"fd-slicer": "~1.0.1"
+			}
+		},
+		"yeast": {
+			"version": "0.1.2",
+			"resolved": "https://registry.npmjs.org/yeast/-/yeast-0.1.2.tgz",
+			"integrity": "sha1-AI4G2AlDIMNy28L47XagymyKxBk=",
+			"dev": true
+		}
+	}
+}
diff --git a/package.json b/package.json
index 570b8d51..17d70f44 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "angular-gridster",
-	"version": "0.13.14",
+	"version": "0.13.15-ckr",
 	"description": "This directive gives you gridster behavior",
 	"license": "MIT",
 	"homepage": "http://manifestwebdesign.github.io/angular-gridster",
diff --git a/src/angular-gridster.js b/src/angular-gridster.js
index c6607e0a..8e99e297 100755
--- a/src/angular-gridster.js
+++ b/src/angular-gridster.js
@@ -20,1188 +20,1205 @@
 	// This returned angular module 'gridster' is what is exported.
 	return angular.module('gridster', [])
 
-	.constant('gridsterConfig', {
-		columns: 6, // number of columns in the grid
-		pushing: true, // whether to push other items out of the way
-		floating: true, // whether to automatically float items up so they stack
-		swapping: false, // whether or not to have items switch places instead of push down if they are the same size
-		width: 'auto', // width of the grid. "auto" will expand the grid to its parent container
-		colWidth: 'auto', // width of grid columns. "auto" will divide the width of the grid evenly among the columns
-		rowHeight: 'match', // height of grid rows. 'match' will make it the same as the column width, a numeric value will be interpreted as pixels, '/2' is half the column width, '*5' is five times the column width, etc.
-		margins: [10, 10], // margins in between grid items
-		outerMargin: true,
-		sparse: false, // "true" can increase performance of dragging and resizing for big grid (e.g. 20x50)
-		isMobile: false, // toggle mobile view
-		mobileBreakPoint: 600, // width threshold to toggle mobile mode
-		mobileModeEnabled: true, // whether or not to toggle mobile mode when screen width is less than mobileBreakPoint
-		minColumns: 1, // minimum amount of columns the grid can scale down to
-		minRows: 1, // minimum amount of rows to show if the grid is empty
-		maxRows: 100, // maximum amount of rows in the grid
-		defaultSizeX: 2, // default width of an item in columns
-		defaultSizeY: 1, // default height of an item in rows
-		minSizeX: 1, // minimum column width of an item
-		maxSizeX: null, // maximum column width of an item
-		minSizeY: 1, // minumum row height of an item
-		maxSizeY: null, // maximum row height of an item
-		saveGridItemCalculatedHeightInMobile: false, // grid item height in mobile display. true- to use the calculated height by sizeY given
-		resizable: { // options to pass to resizable handler
-			enabled: true,
-			handles: ['s', 'e', 'n', 'w', 'se', 'ne', 'sw', 'nw']
-		},
-		draggable: { // options to pass to draggable handler
-			enabled: true,
-			scrollSensitivity: 20, // Distance in pixels from the edge of the viewport after which the viewport should scroll, relative to pointer
-			scrollSpeed: 15 // Speed at which the window should scroll once the mouse pointer gets within scrollSensitivity distance
-		}
-	})
-
-	.controller('GridsterCtrl', ['gridsterConfig', '$timeout',
-		function(gridsterConfig, $timeout) {
-
-			var gridster = this;
+		.constant('gridsterConfig', {
+			columns: 6, // number of columns in the grid
+			pushing: true, // whether to push other items out of the way
+			floating: true, // whether to automatically float items up so they stack
+			swapping: false, // whether or not to have items switch places instead of push down if they are the same size
+			width: 'auto', // width of the grid. "auto" will expand the grid to its parent container
+			colWidth: 'auto', // width of grid columns. "auto" will divide the width of the grid evenly among the columns
+			rowHeight: 'match', // height of grid rows. 'match' will make it the same as the column width, a numeric value will be interpreted as pixels, '/2' is half the column width, '*5' is five times the column width, etc.
+			margins: [10, 10], // margins in between grid items
+			outerMargin: true,
+			sparse: false, // "true" can increase performance of dragging and resizing for big grid (e.g. 20x50)
+			isMobile: false, // toggle mobile view
+			mobileBreakPoint: 600, // width threshold to toggle mobile mode
+			mobileModeEnabled: true, // whether or not to toggle mobile mode when screen width is less than mobileBreakPoint
+			minColumns: 1, // minimum amount of columns the grid can scale down to
+			minRows: 1, // minimum amount of rows to show if the grid is empty
+			maxRows: 100, // maximum amount of rows in the grid
+			defaultSizeX: 2, // default width of an item in columns
+			defaultSizeY: 1, // default height of an item in rows
+			minSizeX: 1, // minimum column width of an item
+			maxSizeX: null, // maximum column width of an item
+			minSizeY: 1, // minumum row height of an item
+			maxSizeY: null, // maximum row height of an item
+			saveGridItemCalculatedHeightInMobile: false, // grid item height in mobile display. true- to use the calculated height by sizeY given
+			resizable: { // options to pass to resizable handler
+				enabled: true,
+				handles: ['s', 'e', 'n', 'w', 'se', 'ne', 'sw', 'nw']
+			},
+			draggable: { // options to pass to draggable handler
+				enabled: true,
+				scrollSensitivity: 20, // Distance in pixels from the edge of the viewport after which the viewport should scroll, relative to pointer
+				scrollSpeed: 15 // Speed at which the window should scroll once the mouse pointer gets within scrollSensitivity distance
+			}
+		})
 
-			/**
-			 * Create options from gridsterConfig constant
-			 */
-			angular.extend(this, gridsterConfig);
+		.controller('GridsterCtrl', ['gridsterConfig', '$timeout',
+			function(gridsterConfig, $timeout) {
 
-			this.resizable = angular.extend({}, gridsterConfig.resizable || {});
-			this.draggable = angular.extend({}, gridsterConfig.draggable || {});
+				var gridster = this;
 
-			var flag = false;
-			this.layoutChanged = function() {
-				if (flag) {
-					return;
-				}
-				flag = true;
-				$timeout(function() {
-					flag = false;
-					if (gridster.loaded) {
-						gridster.floatItemsUp();
-					}
-					gridster.updateHeight(gridster.movingItem ? gridster.movingItem.sizeY : 0);
-				}, 30);
-			};
+				/**
+				 * Create options from gridsterConfig constant
+				 */
+				angular.extend(this, gridsterConfig);
 
-			/**
-			 * A positional array of the items in the grid
-			 */
-			this.grid = [];
-			this.allItems = [];
+				this.resizable = angular.extend({}, gridsterConfig.resizable || {});
+				this.draggable = angular.extend({}, gridsterConfig.draggable || {});
 
-			/**
-			 * Clean up after yourself
-			 */
-			this.destroy = function() {
-				// empty the grid to cut back on the possibility
-				// of circular references
-				if (this.grid) {
-					this.grid = [];
-				}
-				this.$element = null;
+				var flag = false;
+				this.layoutChanged = function() {
+					if (flag) {
+						return;
+					}
+					flag = true;
+					$timeout(function() {
+						flag = false;
+						if (gridster.loaded) {
+							gridster.floatItemsUp();
+						}
+						gridster.updateHeight(gridster.movingItem ? gridster.movingItem.sizeY : 0);
+					}, 30);
+				};
 
-				if (this.allItems) {
-					this.allItems.length = 0;
-					this.allItems = null;
-				}
-			};
+				/**
+				 * A positional array of the items in the grid
+				 */
+				this.grid = [];
+				this.allItems = [];
 
-			/**
-			 * Overrides default options
-			 *
-			 * @param {Object} options The options to override
-			 */
-			this.setOptions = function(options) {
-				if (!options) {
-					return;
-				}
+				/**
+				 * Clean up after yourself
+				 */
+				this.destroy = function() {
+					// empty the grid to cut back on the possibility
+					// of circular references
+					if (this.grid) {
+						this.grid = [];
+					}
+					this.$element = null;
 
-				options = angular.extend({}, options);
+					if (this.allItems) {
+						this.allItems.length = 0;
+						this.allItems = null;
+					}
+				};
 
-				// all this to avoid using jQuery...
-				if (options.draggable) {
-					angular.extend(this.draggable, options.draggable);
-					delete(options.draggable);
-				}
-				if (options.resizable) {
-					angular.extend(this.resizable, options.resizable);
-					delete(options.resizable);
-				}
+				/**
+				 * Overrides default options
+				 *
+				 * @param {Object} options The options to override
+				 */
+				this.setOptions = function(options) {
+					if (!options) {
+						return;
+					}
 
-				angular.extend(this, options);
+					options = angular.extend({}, options);
 
-				if (!this.margins || this.margins.length !== 2) {
-					this.margins = [0, 0];
-				} else {
-					for (var x = 0, l = this.margins.length; x < l; ++x) {
-						this.margins[x] = parseInt(this.margins[x], 10);
-						if (isNaN(this.margins[x])) {
-							this.margins[x] = 0;
+					// all this to avoid using jQuery...
+					if (options.draggable) {
+						angular.extend(this.draggable, options.draggable);
+						delete(options.draggable);
+					}
+					if (options.resizable) {
+						angular.extend(this.resizable, options.resizable);
+						delete(options.resizable);
+					}
+
+					angular.extend(this, options);
+
+					if (!this.margins || this.margins.length !== 2) {
+						this.margins = [0, 0];
+					} else {
+						for (var x = 0, l = this.margins.length; x < l; ++x) {
+							this.margins[x] = parseInt(this.margins[x], 10);
+							if (isNaN(this.margins[x])) {
+								this.margins[x] = 0;
+							}
 						}
 					}
-				}
-			};
+				};
 
-			/**
-			 * Check if item can occupy a specified position in the grid
-			 *
-			 * @param {Object} item The item in question
-			 * @param {Number} row The row index
-			 * @param {Number} column The column index
-			 * @returns {Boolean} True if if item fits
-			 */
-			this.canItemOccupy = function(item, row, column) {
-				return row > -1 && column > -1 && item.sizeX + column <= this.columns && item.sizeY + row <= this.maxRows;
-			};
+				/**
+				 * Check if item can occupy a specified position in the grid
+				 *
+				 * @param {Object} item The item in question
+				 * @param {Number} row The row index
+				 * @param {Number} column The column index
+				 * @returns {Boolean} True if if item fits
+				 */
+				this.canItemOccupy = function(item, row, column) {
+					return row > -1 && column > -1 && item.sizeX + column <= this.columns && item.sizeY + row <= this.maxRows;
+				};
 
-			/**
-			 * Set the item in the first suitable position
-			 *
-			 * @param {Object} item The item to insert
-			 */
-			this.autoSetItemPosition = function(item) {
-				// walk through each row and column looking for a place it will fit
-				for (var rowIndex = 0; rowIndex < this.maxRows; ++rowIndex) {
-					for (var colIndex = 0; colIndex < this.columns; ++colIndex) {
-						// only insert if position is not already taken and it can fit
-						var items = this.getItems(rowIndex, colIndex, item.sizeX, item.sizeY, item);
-						if (items.length === 0 && this.canItemOccupy(item, rowIndex, colIndex)) {
-							this.putItem(item, rowIndex, colIndex);
-							return;
+				/**
+				 * Set the item in the first suitable position
+				 *
+				 * @param {Object} item The item to insert
+				 */
+				this.autoSetItemPosition = function(item) {
+					// walk through each row and column looking for a place it will fit
+					for (var rowIndex = 0; rowIndex < this.maxRows; ++rowIndex) {
+						for (var colIndex = 0; colIndex < this.columns; ++colIndex) {
+							// only insert if position is not already taken and it can fit
+							var items = this.getItems(rowIndex, colIndex, item.sizeX, item.sizeY, item);
+							if (items.length === 0 && this.canItemOccupy(item, rowIndex, colIndex)) {
+								this.putItem(item, rowIndex, colIndex);
+								return;
+							}
 						}
 					}
-				}
-				throw new Error('Unable to place item!');
-			};
+					throw new Error('Unable to place item!');
+				};
 
-			/**
-			 * Gets items at a specific coordinate
-			 *
-			 * @param {Number} row
-			 * @param {Number} column
-			 * @param {Number} sizeX
-			 * @param {Number} sizeY
-			 * @param {Array} excludeItems An array of items to exclude from selection
-			 * @returns {Array} Items that match the criteria
-			 */
-			this.getItems = function(row, column, sizeX, sizeY, excludeItems) {
-				var items = [];
-				if (!sizeX || !sizeY) {
-					sizeX = sizeY = 1;
-				}
-				if (excludeItems && !(excludeItems instanceof Array)) {
-					excludeItems = [excludeItems];
-				}
-				var item;
-				if (this.sparse === false) { // check all cells
-					for (var h = 0; h < sizeY; ++h) {
-						for (var w = 0; w < sizeX; ++w) {
-							item = this.getItem(row + h, column + w, excludeItems);
-							if (item && (!excludeItems || excludeItems.indexOf(item) === -1) && items.indexOf(item) === -1) {
+				/**
+				 * Gets items at a specific coordinate
+				 *
+				 * @param {Number} row
+				 * @param {Number} column
+				 * @param {Number} sizeX
+				 * @param {Number} sizeY
+				 * @param {Array} excludeItems An array of items to exclude from selection
+				 * @returns {Array} Items that match the criteria
+				 */
+				this.getItems = function(row, column, sizeX, sizeY, excludeItems) {
+					var items = [];
+					if (!sizeX || !sizeY) {
+						sizeX = sizeY = 1;
+					}
+					if (excludeItems && !(excludeItems instanceof Array)) {
+						excludeItems = [excludeItems];
+					}
+					var item;
+					if (this.sparse === false) { // check all cells
+						for (var h = 0; h < sizeY; ++h) {
+							for (var w = 0; w < sizeX; ++w) {
+								item = this.getItem(row + h, column + w, excludeItems);
+								if (item && (!excludeItems || excludeItems.indexOf(item) === -1) && items.indexOf(item) === -1) {
+									items.push(item);
+								}
+							}
+						}
+					} else { // check intersection with all items
+						var bottom = row + sizeY - 1;
+						var right = column + sizeX - 1;
+						for (var i = 0; i < this.allItems.length; ++i) {
+							item = this.allItems[i];
+							if (item && (!excludeItems || excludeItems.indexOf(item) === -1) && items.indexOf(item) === -1 && this.intersect(item, column, right, row, bottom)) {
 								items.push(item);
 							}
 						}
 					}
-				} else { // check intersection with all items
-					var bottom = row + sizeY - 1;
-					var right = column + sizeX - 1;
-					for (var i = 0; i < this.allItems.length; ++i) {
-						item = this.allItems[i];
-						if (item && (!excludeItems || excludeItems.indexOf(item) === -1) && items.indexOf(item) === -1 && this.intersect(item, column, right, row, bottom)) {
-							items.push(item);
-						}
+					return items;
+				};
+
+				/**
+				 * @param {Array} items
+				 * @returns {Object} An item that represents the bounding box of the items
+				 */
+				this.getBoundingBox = function(items) {
+
+					if (items.length === 0) {
+						return null;
+					}
+					if (items.length === 1) {
+						return {
+							row: items[0].row,
+							col: items[0].col,
+							sizeY: items[0].sizeY,
+							sizeX: items[0].sizeX
+						};
 					}
-				}
-				return items;
-			};
 
-			/**
-			 * @param {Array} items
-			 * @returns {Object} An item that represents the bounding box of the items
-			 */
-			this.getBoundingBox = function(items) {
+					var maxRow = 0;
+					var maxCol = 0;
+					var minRow = 9999;
+					var minCol = 9999;
+
+					for (var i = 0, l = items.length; i < l; ++i) {
+						var item = items[i];
+						minRow = Math.min(item.row, minRow);
+						minCol = Math.min(item.col, minCol);
+						maxRow = Math.max(item.row + item.sizeY, maxRow);
+						maxCol = Math.max(item.col + item.sizeX, maxCol);
+					}
 
-				if (items.length === 0) {
-					return null;
-				}
-				if (items.length === 1) {
 					return {
-						row: items[0].row,
-						col: items[0].col,
-						sizeY: items[0].sizeY,
-						sizeX: items[0].sizeX
+						row: minRow,
+						col: minCol,
+						sizeY: maxRow - minRow,
+						sizeX: maxCol - minCol
 					};
-				}
-
-				var maxRow = 0;
-				var maxCol = 0;
-				var minRow = 9999;
-				var minCol = 9999;
-
-				for (var i = 0, l = items.length; i < l; ++i) {
-					var item = items[i];
-					minRow = Math.min(item.row, minRow);
-					minCol = Math.min(item.col, minCol);
-					maxRow = Math.max(item.row + item.sizeY, maxRow);
-					maxCol = Math.max(item.col + item.sizeX, maxCol);
-				}
-
-				return {
-					row: minRow,
-					col: minCol,
-					sizeY: maxRow - minRow,
-					sizeX: maxCol - minCol
 				};
-			};
 
-			/**
-			 * Checks if item intersects specified box
-			 *
-			 * @param {object} item
-			 * @param {number} left
-			 * @param {number} right
-			 * @param {number} top
-			 * @param {number} bottom
-			 */
+				/**
+				 * Checks if item intersects specified box
+				 *
+				 * @param {object} item
+				 * @param {number} left
+				 * @param {number} right
+				 * @param {number} top
+				 * @param {number} bottom
+				 */
 
-			this.intersect = function(item, left, right, top, bottom) {
-				return (left <= item.col + item.sizeX - 1 &&
-					right >= item.col &&
-					top <= item.row + item.sizeY - 1 &&
-					bottom >= item.row);
-			};
+				this.intersect = function(item, left, right, top, bottom) {
+					return (left <= item.col + item.sizeX - 1 &&
+						right >= item.col &&
+						top <= item.row + item.sizeY - 1 &&
+						bottom >= item.row);
+				};
 
 
-			/**
-			 * Removes an item from the grid
-			 *
-			 * @param {Object} item
-			 */
-			this.removeItem = function(item) {
-				var index;
-				for (var rowIndex = 0, l = this.grid.length; rowIndex < l; ++rowIndex) {
-					var columns = this.grid[rowIndex];
-					if (!columns) {
-						continue;
-					}
-					index = columns.indexOf(item);
-					if (index !== -1) {
-						columns[index] = null;
-						break;
+				/**
+				 * Removes an item from the grid
+				 *
+				 * @param {Object} item
+				 */
+				this.removeItem = function(item) {
+					var index;
+					for (var rowIndex = 0, l = this.grid.length; rowIndex < l; ++rowIndex) {
+						var columns = this.grid[rowIndex];
+						if (!columns) {
+							continue;
+						}
+						index = columns.indexOf(item);
+						if (index !== -1) {
+							columns[index] = null;
+							break;
+						}
 					}
-				}
-				if (this.sparse) {
-					index = this.allItems.indexOf(item);
-					if (index !== -1) {
-						this.allItems.splice(index, 1);
+					if (this.sparse) {
+						index = this.allItems.indexOf(item);
+						if (index !== -1) {
+							this.allItems.splice(index, 1);
+						}
 					}
-				}
-				this.layoutChanged();
-			};
+					this.layoutChanged();
+				};
 
-			/**
-			 * Returns the item at a specified coordinate
-			 *
-			 * @param {Number} row
-			 * @param {Number} column
-			 * @param {Array} excludeItems Items to exclude from selection
-			 * @returns {Object} The matched item or null
-			 */
-			this.getItem = function(row, column, excludeItems) {
-				if (excludeItems && !(excludeItems instanceof Array)) {
-					excludeItems = [excludeItems];
-				}
-				var sizeY = 1;
-				while (row > -1) {
-					var sizeX = 1,
-						col = column;
-					while (col > -1) {
-						var items = this.grid[row];
-						if (items) {
-							var item = items[col];
-							if (item && (!excludeItems || excludeItems.indexOf(item) === -1) && item.sizeX >= sizeX && item.sizeY >= sizeY) {
-								return item;
+				/**
+				 * Returns the item at a specified coordinate
+				 *
+				 * @param {Number} row
+				 * @param {Number} column
+				 * @param {Array} excludeItems Items to exclude from selection
+				 * @returns {Object} The matched item or null
+				 */
+				this.getItem = function(row, column, excludeItems) {
+					if (excludeItems && !(excludeItems instanceof Array)) {
+						excludeItems = [excludeItems];
+					}
+					var sizeY = 1;
+					while (row > -1) {
+						var sizeX = 1,
+							col = column;
+						while (col > -1) {
+							var items = this.grid[row];
+							if (items) {
+								var item = items[col];
+								if (item && (!excludeItems || excludeItems.indexOf(item) === -1) && item.sizeX >= sizeX && item.sizeY >= sizeY) {
+									return item;
+								}
 							}
+							++sizeX;
+							--col;
 						}
-						++sizeX;
-						--col;
+						--row;
+						++sizeY;
 					}
-					--row;
-					++sizeY;
-				}
-				return null;
-			};
+					return null;
+				};
 
-			/**
-			 * Insert an array of items into the grid
-			 *
-			 * @param {Array} items An array of items to insert
-			 */
-			this.putItems = function(items) {
-				for (var i = 0, l = items.length; i < l; ++i) {
-					this.putItem(items[i]);
-				}
-			};
+				/**
+				 * Insert an array of items into the grid
+				 *
+				 * @param {Array} items An array of items to insert
+				 */
+				this.putItems = function(items) {
+					for (var i = 0, l = items.length; i < l; ++i) {
+						this.putItem(items[i]);
+					}
+				};
 
-			/**
-			 * Insert a single item into the grid
-			 *
-			 * @param {Object} item The item to insert
-			 * @param {Number} row (Optional) Specifies the items row index
-			 * @param {Number} column (Optional) Specifies the items column index
-			 * @param {Array} ignoreItems
-			 */
-			this.putItem = function(item, row, column, ignoreItems) {
-				// auto place item if no row specified
-				if (typeof row === 'undefined' || row === null) {
-					row = item.row;
-					column = item.col;
+				/**
+				 * Insert a single item into the grid
+				 *
+				 * @param {Object} item The item to insert
+				 * @param {Number} row (Optional) Specifies the items row index
+				 * @param {Number} column (Optional) Specifies the items column index
+				 * @param {Array} ignoreItems
+				 */
+				this.putItem = function(item, row, column, ignoreItems) {
+					// auto place item if no row specified
 					if (typeof row === 'undefined' || row === null) {
-						this.autoSetItemPosition(item);
-						return;
+						row = item.row;
+						column = item.col;
+						if (typeof row === 'undefined' || row === null) {
+							this.autoSetItemPosition(item);
+							return;
+						}
 					}
-				}
 
-				// keep item within allowed bounds
-				if (!this.canItemOccupy(item, row, column)) {
-					column = Math.min(this.columns - item.sizeX, Math.max(0, column));
-					row = Math.min(this.maxRows - item.sizeY, Math.max(0, row));
-				}
+					// keep item within allowed bounds
+					if (!this.canItemOccupy(item, row, column)) {
+						column = Math.min(this.columns - item.sizeX, Math.max(0, column));
+						row = Math.min(this.maxRows - item.sizeY, Math.max(0, row));
+					}
 
-				// check if item is already in grid
-				if (item.oldRow !== null && typeof item.oldRow !== 'undefined') {
-					var samePosition = item.oldRow === row && item.oldColumn === column;
-					var inGrid = this.grid[row] && this.grid[row][column] === item;
-					if (samePosition && inGrid) {
-						item.row = row;
-						item.col = column;
-						return;
-					} else {
-						// remove from old position
-						var oldRow = this.grid[item.oldRow];
-						if (oldRow && oldRow[item.oldColumn] === item) {
-							delete oldRow[item.oldColumn];
+					// check if item is already in grid
+					if (item.oldRow !== null && typeof item.oldRow !== 'undefined') {
+						var samePosition = item.oldRow === row && item.oldColumn === column;
+						var inGrid = this.grid[row] && this.grid[row][column] === item;
+						if (samePosition && inGrid) {
+							item.row = row;
+							item.col = column;
+							return;
+						} else {
+							// remove from old position
+							var oldRow = this.grid[item.oldRow];
+							if (oldRow && oldRow[item.oldColumn] === item) {
+								delete oldRow[item.oldColumn];
+							}
 						}
 					}
-				}
 
-				item.oldRow = item.row = row;
-				item.oldColumn = item.col = column;
+					item.oldRow = item.row = row;
+					item.oldColumn = item.col = column;
 
-				this.moveOverlappingItems(item, ignoreItems);
-
-				if (!this.grid[row]) {
-					this.grid[row] = [];
-				}
-				this.grid[row][column] = item;
+					this.moveOverlappingItems(item, ignoreItems);
 
-				if (this.sparse && this.allItems.indexOf(item) === -1) {
-					this.allItems.push(item);
-				}
+					if (!this.grid[row]) {
+						this.grid[row] = [];
+					}
+					this.grid[row][column] = item;
 
-				if (this.movingItem === item) {
-					this.floatItemUp(item);
-				}
-				this.layoutChanged();
-			};
+					if (this.sparse && this.allItems.indexOf(item) === -1) {
+						this.allItems.push(item);
+					}
 
-			/**
-			 * Trade row and column if item1 with item2
-			 *
-			 * @param {Object} item1
-			 * @param {Object} item2
-			 */
-			this.swapItems = function(item1, item2) {
-				this.grid[item1.row][item1.col] = item2;
-				this.grid[item2.row][item2.col] = item1;
-
-				var item1Row = item1.row;
-				var item1Col = item1.col;
-				item1.row = item2.row;
-				item1.col = item2.col;
-				item2.row = item1Row;
-				item2.col = item1Col;
-			};
+					if (this.movingItem === item) {
+						this.floatItemUp(item);
+					}
+					this.layoutChanged();
+				};
 
-			/**
-			 * Prevents items from being overlapped
-			 *
-			 * @param {Object} item The item that should remain
-			 * @param {Array} ignoreItems
-			 */
-			this.moveOverlappingItems = function(item, ignoreItems) {
-				// don't move item, so ignore it
-				if (!ignoreItems) {
-					ignoreItems = [item];
-				} else if (ignoreItems.indexOf(item) === -1) {
-					ignoreItems = ignoreItems.slice(0);
-					ignoreItems.push(item);
-				}
+				/**
+				 * Trade row and column if item1 with item2
+				 *
+				 * @param {Object} item1
+				 * @param {Object} item2
+				 */
+				this.swapItems = function(item1, item2) {
+					this.grid[item1.row][item1.col] = item2;
+					this.grid[item2.row][item2.col] = item1;
+
+					var item1Row = item1.row;
+					var item1Col = item1.col;
+					item1.row = item2.row;
+					item1.col = item2.col;
+					item2.row = item1Row;
+					item2.col = item1Col;
+				};
 
-				// get the items in the space occupied by the item's coordinates
-				var overlappingItems = this.getItems(
-					item.row,
-					item.col,
-					item.sizeX,
-					item.sizeY,
-					ignoreItems
-				);
-				this.moveItemsDown(overlappingItems, item.row + item.sizeY, ignoreItems);
-			};
+				/**
+				 * Prevents items from being overlapped
+				 *
+				 * @param {Object} item The item that should remain
+				 * @param {Array} ignoreItems
+				 */
+				this.moveOverlappingItems = function(item, ignoreItems) {
+					// don't move item, so ignore it
+					if (!ignoreItems) {
+						ignoreItems = [item];
+					} else if (ignoreItems.indexOf(item) === -1) {
+						ignoreItems = ignoreItems.slice(0);
+						ignoreItems.push(item);
+					}
+
+					// get the items in the space occupied by the item's coordinates
+					var overlappingItems = this.getItems(
+						item.row,
+						item.col,
+						item.sizeX,
+						item.sizeY,
+						ignoreItems
+					);
+					this.moveItemsDown(overlappingItems, item.row + item.sizeY, ignoreItems);
+				};
 
-			/**
-			 * Moves an array of items to a specified row
-			 *
-			 * @param {Array} items The items to move
-			 * @param {Number} newRow The target row
-			 * @param {Array} ignoreItems
-			 */
-			this.moveItemsDown = function(items, newRow, ignoreItems) {
-				if (!items || items.length === 0) {
-					return;
-				}
-				items.sort(function(a, b) {
-					return a.row - b.row;
-				});
+				/**
+				 * Moves an array of items to a specified row
+				 *
+				 * @param {Array} items The items to move
+				 * @param {Number} newRow The target row
+				 * @param {Array} ignoreItems
+				 */
+				this.moveItemsDown = function(items, newRow, ignoreItems) {
+					if (!items || items.length === 0) {
+						return;
+					}
+					items.sort(function(a, b) {
+						return a.row - b.row;
+					});
 
-				ignoreItems = ignoreItems ? ignoreItems.slice(0) : [];
-				var topRows = {},
-					item, i, l;
+					ignoreItems = ignoreItems ? ignoreItems.slice(0) : [];
+					var topRows = {},
+						item, i, l;
 
-				// calculate the top rows in each column
-				for (i = 0, l = items.length; i < l; ++i) {
-					item = items[i];
-					var topRow = topRows[item.col];
-					if (typeof topRow === 'undefined' || item.row < topRow) {
-						topRows[item.col] = item.row;
+					// calculate the top rows in each column
+					for (i = 0, l = items.length; i < l; ++i) {
+						item = items[i];
+						var topRow = topRows[item.col];
+						if (typeof topRow === 'undefined' || item.row < topRow) {
+							topRows[item.col] = item.row;
+						}
 					}
-				}
-
-				// move each item down from the top row in its column to the row
-				for (i = 0, l = items.length; i < l; ++i) {
-					item = items[i];
-					var rowsToMove = newRow - topRows[item.col];
-					this.moveItemDown(item, item.row + rowsToMove, ignoreItems);
-					ignoreItems.push(item);
-				}
-			};
 
-			/**
-			 * Moves an item down to a specified row
-			 *
-			 * @param {Object} item The item to move
-			 * @param {Number} newRow The target row
-			 * @param {Array} ignoreItems
-			 */
-			this.moveItemDown = function(item, newRow, ignoreItems) {
-				if (item.row >= newRow) {
-					return;
-				}
-				while (item.row < newRow) {
-					++item.row;
-					this.moveOverlappingItems(item, ignoreItems);
-				}
-				this.putItem(item, item.row, item.col, ignoreItems);
-			};
+					// move each item down from the top row in its column to the row
+					for (i = 0, l = items.length; i < l; ++i) {
+						item = items[i];
+						var rowsToMove = newRow - topRows[item.col];
+						this.moveItemDown(item, item.row + rowsToMove, ignoreItems);
+						ignoreItems.push(item);
+					}
+				};
 
-			/**
-			 * Moves all items up as much as possible
-			 */
-			this.floatItemsUp = function() {
-				if (this.floating === false) {
-					return;
-				}
-				for (var rowIndex = 0, l = this.grid.length; rowIndex < l; ++rowIndex) {
-					var columns = this.grid[rowIndex];
-					if (!columns) {
-						continue;
+				/**
+				 * Moves an item down to a specified row
+				 *
+				 * @param {Object} item The item to move
+				 * @param {Number} newRow The target row
+				 * @param {Array} ignoreItems
+				 */
+				this.moveItemDown = function(item, newRow, ignoreItems) {
+					if (item.row >= newRow) {
+						return;
 					}
-					for (var colIndex = 0, len = columns.length; colIndex < len; ++colIndex) {
-						var item = columns[colIndex];
-						if (item) {
-							this.floatItemUp(item);
-						}
+					while (item.row < newRow) {
+						++item.row;
+						this.moveOverlappingItems(item, ignoreItems);
 					}
-				}
-			};
-
-			/**
-			 * Float an item up to the most suitable row
-			 *
-			 * @param {Object} item The item to move
-			 */
-			this.floatItemUp = function(item) {
-				if (this.floating === false) {
-					return;
-				}
-				var colIndex = item.col,
-					sizeY = item.sizeY,
-					sizeX = item.sizeX,
-					bestRow = null,
-					bestColumn = null,
-					rowIndex = item.row - 1;
-
-				while (rowIndex > -1) {
-					var items = this.getItems(rowIndex, colIndex, sizeX, sizeY, item);
-					if (items.length !== 0) {
-						break;
-					}
-					bestRow = rowIndex;
-					bestColumn = colIndex;
-					--rowIndex;
-				}
-				if (bestRow !== null) {
-					this.putItem(item, bestRow, bestColumn);
-				}
-			};
+					this.putItem(item, item.row, item.col, ignoreItems);
+				};
 
-			/**
-			 * Update gridsters height
-			 *
-			 * @param {Number} plus (Optional) Additional height to add
-			 */
-			this.updateHeight = function(plus) {
-				var maxHeight = this.minRows;
-				plus = plus || 0;
-				for (var rowIndex = this.grid.length; rowIndex >= 0; --rowIndex) {
-					var columns = this.grid[rowIndex];
-					if (!columns) {
-						continue;
+				/**
+				 * Moves all items up as much as possible
+				 */
+				this.floatItemsUp = function() {
+					if (this.floating === false) {
+						return;
 					}
-					for (var colIndex = 0, len = columns.length; colIndex < len; ++colIndex) {
-						if (columns[colIndex]) {
-							maxHeight = Math.max(maxHeight, rowIndex + plus + columns[colIndex].sizeY);
+					for (var rowIndex = 0, l = this.grid.length; rowIndex < l; ++rowIndex) {
+						var columns = this.grid[rowIndex];
+						if (!columns) {
+							continue;
+						}
+						for (var colIndex = 0, len = columns.length; colIndex < len; ++colIndex) {
+							var item = columns[colIndex];
+							if (item) {
+								this.floatItemUp(item);
+							}
 						}
 					}
-				}
-				this.gridHeight = this.maxRows - maxHeight > 0 ? Math.min(this.maxRows, maxHeight) : Math.max(this.maxRows, maxHeight);
-			};
-
-			/**
-			 * Returns the number of rows that will fit in given amount of pixels
-			 *
-			 * @param {Number} pixels
-			 * @param {Boolean} ceilOrFloor (Optional) Determines rounding method
-			 */
-			this.pixelsToRows = function(pixels, ceilOrFloor) {
-				if (!this.outerMargin) {
-					pixels += this.margins[0] / 2;
-				}
+				};
 
-				if (ceilOrFloor === true) {
-					return Math.ceil(pixels / this.curRowHeight);
-				} else if (ceilOrFloor === false) {
-					return Math.floor(pixels / this.curRowHeight);
-				}
+				/**
+				 * Float an item up to the most suitable row
+				 *
+				 * @param {Object} item The item to move
+				 */
+				this.floatItemUp = function(item) {
+					if (this.floating === false) {
+						return;
+					}
+					var colIndex = item.col,
+						sizeY = item.sizeY,
+						sizeX = item.sizeX,
+						bestRow = null,
+						bestColumn = null,
+						rowIndex = item.row - 1;
 
-				return Math.round(pixels / this.curRowHeight);
-			};
+					while (rowIndex > -1) {
+						var items = this.getItems(rowIndex, colIndex, sizeX, sizeY, item);
+						if (items.length !== 0) {
+							break;
+						}
+						bestRow = rowIndex;
+						bestColumn = colIndex;
+						--rowIndex;
+					}
+					if (bestRow !== null) {
+						this.putItem(item, bestRow, bestColumn);
+					}
+				};
 
-			/**
-			 * Returns the number of columns that will fit in a given amount of pixels
-			 *
-			 * @param {Number} pixels
-			 * @param {Boolean} ceilOrFloor (Optional) Determines rounding method
-			 * @returns {Number} The number of columns
-			 */
-			this.pixelsToColumns = function(pixels, ceilOrFloor) {
-				if (!this.outerMargin) {
-					pixels += this.margins[1] / 2;
-				}
+				/**
+				 * Update gridsters height
+				 *
+				 * @param {Number} plus (Optional) Additional height to add
+				 */
+				this.updateHeight = function(plus) {
+					var maxHeight = this.minRows;
+					plus = plus || 0;
+					for (var rowIndex = this.grid.length; rowIndex >= 0; --rowIndex) {
+						var columns = this.grid[rowIndex];
+						if (!columns) {
+							continue;
+						}
+						for (var colIndex = 0, len = columns.length; colIndex < len; ++colIndex) {
+							if (columns[colIndex]) {
+								maxHeight = Math.max(maxHeight, rowIndex + plus + columns[colIndex].sizeY);
+							}
+						}
+					}
+					this.gridHeight = this.maxRows - maxHeight > 0 ? Math.min(this.maxRows, maxHeight) : Math.max(this.maxRows, maxHeight);
+				};
 
-				if (ceilOrFloor === true) {
-					return Math.ceil(pixels / this.curColWidth);
-				} else if (ceilOrFloor === false) {
-					return Math.floor(pixels / this.curColWidth);
-				}
+				/**
+				 * Returns the number of rows that will fit in given amount of pixels
+				 *
+				 * @param {Number} pixels
+				 * @param {Boolean} ceilOrFloor (Optional) Determines rounding method
+				 */
+				this.pixelsToRows = function(pixels, ceilOrFloor) {
+					if (!this.outerMargin) {
+						pixels += this.margins[0] / 2;
+					}
 
-				return Math.round(pixels / this.curColWidth);
-			};
-		}
-	])
+					if (ceilOrFloor === true) {
+						return Math.ceil(pixels / this.curRowHeight);
+					} else if (ceilOrFloor === false) {
+						return Math.floor(pixels / this.curRowHeight);
+					}
 
-	.directive('gridsterPreview', function() {
-		return {
-			replace: true,
-			scope: true,
-			require: '^gridster',
-			template: '<div ng-style="previewStyle()" class="gridster-item gridster-preview-holder"></div>',
-			link: function(scope, $el, attrs, gridster) {
+					return Math.round(pixels / this.curRowHeight);
+				};
 
 				/**
-				 * @returns {Object} style object for preview element
+				 * Returns the number of columns that will fit in a given amount of pixels
+				 *
+				 * @param {Number} pixels
+				 * @param {Boolean} ceilOrFloor (Optional) Determines rounding method
+				 * @returns {Number} The number of columns
 				 */
-				scope.previewStyle = function() {
-					if (!gridster.movingItem) {
-						return {
-							display: 'none'
-						};
+				this.pixelsToColumns = function(pixels, ceilOrFloor) {
+					if (!this.outerMargin) {
+						pixels += this.margins[1] / 2;
 					}
 
-					return {
-						display: 'block',
-						height: (gridster.movingItem.sizeY * gridster.curRowHeight - gridster.margins[0]) + 'px',
-						width: (gridster.movingItem.sizeX * gridster.curColWidth - gridster.margins[1]) + 'px',
-						top: (gridster.movingItem.row * gridster.curRowHeight + (gridster.outerMargin ? gridster.margins[0] : 0)) + 'px',
-						left: (gridster.movingItem.col * gridster.curColWidth + (gridster.outerMargin ? gridster.margins[1] : 0)) + 'px'
-					};
+					if (ceilOrFloor === true) {
+						return Math.ceil(pixels / this.curColWidth);
+					} else if (ceilOrFloor === false) {
+						return Math.floor(pixels / this.curColWidth);
+					}
+
+					return Math.round(pixels / this.curColWidth);
 				};
 			}
-		};
-	})
-
-	/**
-	 * The gridster directive
-	 *
-	 * @param {Function} $timeout
-	 * @param {Object} $window
-	 * @param {Object} $rootScope
-	 * @param {Function} gridsterDebounce
-	 */
-	.directive('gridster', ['$timeout', '$window', '$rootScope', 'gridsterDebounce',
-		function($timeout, $window, $rootScope, gridsterDebounce) {
+		])
+
+		.directive('gridsterPreview', function() {
 			return {
+				replace: true,
 				scope: true,
-				restrict: 'EAC',
-				controller: 'GridsterCtrl',
-				controllerAs: 'gridster',
-				compile: function($tplElem) {
-
-					$tplElem.prepend('<div ng-if="gridster.movingItem" gridster-preview></div>');
-
-					return function(scope, $elem, attrs, gridster) {
-						gridster.loaded = false;
+				require: '^gridster',
+				template: '<div ng-style="previewStyle()" class="gridster-item gridster-preview-holder"></div>',
+				link: function(scope, $el, attrs, gridster) {
+
+					/**
+					 * @returns {Object} style object for preview element
+					 */
+					scope.previewStyle = function() {
+						if (!gridster.movingItem) {
+							return {
+								display: 'none'
+							};
+						}
 
-						gridster.$element = $elem;
+						return {
+							display: 'block',
+							height: (gridster.movingItem.sizeY * gridster.curRowHeight - gridster.margins[0]) + 'px',
+							width: (gridster.movingItem.sizeX * gridster.curColWidth - gridster.margins[1]) + 'px',
+							top: (gridster.movingItem.row * gridster.curRowHeight + (gridster.outerMargin ? gridster.margins[0] : 0)) + 'px',
+							left: (gridster.movingItem.col * gridster.curColWidth + (gridster.outerMargin ? gridster.margins[1] : 0)) + 'px'
+						};
+					};
+				}
+			};
+		})
 
-						scope.gridster = gridster;
+		/**
+		 * The gridster directive
+		 *
+		 * @param {Function} $timeout
+		 * @param {Object} $window
+		 * @param {Object} $rootScope
+		 * @param {Function} gridsterDebounce
+		 */
+		.directive('gridster', ['$timeout', '$window', '$rootScope', 'gridsterDebounce',
+			function($timeout, $window, $rootScope, gridsterDebounce) {
+				return {
+					scope: true,
+					restrict: 'EAC',
+					controller: 'GridsterCtrl',
+					controllerAs: 'gridster',
+					compile: function($tplElem) {
 
-						$elem.addClass('gridster');
+						$tplElem.prepend('<div ng-if="gridster.movingItem" gridster-preview></div>');
 
-						var isVisible = function(ele) {
-							return ele.style.visibility !== 'hidden' && ele.style.display !== 'none';
-						};
+						return function(scope, $elem, attrs, gridster) {
+							gridster.loaded = false;
 
-						function updateHeight() {
-							$elem.css('height', (gridster.gridHeight * gridster.curRowHeight) + (gridster.outerMargin ? gridster.margins[0] : -gridster.margins[0]) + 'px');
-						}
+							gridster.$element = $elem;
 
-						scope.$watch(function() {
-							return gridster.gridHeight;
-						}, updateHeight);
+							scope.gridster = gridster;
 
-						scope.$watch(function() {
-							return gridster.movingItem;
-						}, function() {
-							gridster.updateHeight(gridster.movingItem ? gridster.movingItem.sizeY : 0);
-						});
+							$elem.addClass('gridster');
 
-						function refresh(config) {
-							gridster.setOptions(config);
+							var isVisible = function(ele) {
+								return ele.style.visibility !== 'hidden' && ele.style.display !== 'none';
+							};
 
-							if (!isVisible($elem[0])) {
-								return;
+							function updateHeight() {
+								$elem.css('height', (gridster.gridHeight * gridster.curRowHeight) + (gridster.outerMargin ? gridster.margins[0] : -gridster.margins[0]) + 'px');
 							}
 
-							// resolve "auto" & "match" values
-							if (gridster.width === 'auto') {
-								gridster.curWidth = $elem[0].offsetWidth || parseInt($elem.css('width'), 10);
-							} else {
-								gridster.curWidth = gridster.width;
-							}
+							scope.$watch(function() {
+								return gridster.gridHeight;
+							}, updateHeight);
 
-							if (gridster.colWidth === 'auto') {
-								gridster.curColWidth = (gridster.curWidth + (gridster.outerMargin ? -gridster.margins[1] : gridster.margins[1])) / gridster.columns;
-							} else {
-								gridster.curColWidth = gridster.colWidth;
-							}
+							scope.$watch(function() {
+								return gridster.movingItem;
+							}, function() {
+								gridster.updateHeight(gridster.movingItem ? gridster.movingItem.sizeY : 0);
+							});
+
+							function refresh(config) {
+								gridster.setOptions(config);
 
-							gridster.curRowHeight = gridster.rowHeight;
-							if (typeof gridster.rowHeight === 'string') {
-								if (gridster.rowHeight === 'match') {
-									gridster.curRowHeight = Math.round(gridster.curColWidth);
-								} else if (gridster.rowHeight.indexOf('*') !== -1) {
-									gridster.curRowHeight = Math.round(gridster.curColWidth * gridster.rowHeight.replace('*', '').replace(' ', ''));
-								} else if (gridster.rowHeight.indexOf('/') !== -1) {
-									gridster.curRowHeight = Math.round(gridster.curColWidth / gridster.rowHeight.replace('/', '').replace(' ', ''));
+								if (!isVisible($elem[0])) {
+									return;
 								}
-							}
 
-							gridster.isMobile = gridster.mobileModeEnabled && gridster.curWidth <= gridster.mobileBreakPoint;
+								// resolve "auto" & "match" values
+								if (gridster.width === 'auto') {
+									gridster.curWidth = $elem[0].offsetWidth || parseInt($elem.css('width'), 10);
+								} else {
+									gridster.curWidth = gridster.width;
+								}
 
-							// loop through all items and reset their CSS
-							for (var rowIndex = 0, l = gridster.grid.length; rowIndex < l; ++rowIndex) {
-								var columns = gridster.grid[rowIndex];
-								if (!columns) {
-									continue;
+								if (gridster.colWidth === 'auto') {
+									gridster.curColWidth = (gridster.curWidth + (gridster.outerMargin ? -gridster.margins[1] : gridster.margins[1])) / gridster.columns;
+								} else {
+									gridster.curColWidth = gridster.colWidth;
 								}
 
-								for (var colIndex = 0, len = columns.length; colIndex < len; ++colIndex) {
-									if (columns[colIndex]) {
-										var item = columns[colIndex];
-										item.setElementPosition();
-										item.setElementSizeY();
-										item.setElementSizeX();
+								gridster.curRowHeight = gridster.rowHeight;
+								if (typeof gridster.rowHeight === 'string') {
+									if (gridster.rowHeight === 'match') {
+										gridster.curRowHeight = Math.round(gridster.curColWidth);
+									} else if (gridster.rowHeight.indexOf('*') !== -1) {
+										gridster.curRowHeight = Math.round(gridster.curColWidth * gridster.rowHeight.replace('*', '').replace(' ', ''));
+									} else if (gridster.rowHeight.indexOf('/') !== -1) {
+										gridster.curRowHeight = Math.round(gridster.curColWidth / gridster.rowHeight.replace('/', '').replace(' ', ''));
 									}
 								}
-							}
 
-							updateHeight();
-						}
+								gridster.isMobile = gridster.mobileModeEnabled && gridster.curWidth <= gridster.mobileBreakPoint;
 
-						var optionsKey = attrs.gridster;
-						if (optionsKey) {
-							scope.$parent.$watch(optionsKey, function(newConfig) {
-								refresh(newConfig);
-							}, true);
-						} else {
-							refresh({});
-						}
+								// loop through all items and reset their CSS
+								for (var rowIndex = 0, l = gridster.grid.length; rowIndex < l; ++rowIndex) {
+									var columns = gridster.grid[rowIndex];
+									if (!columns) {
+										continue;
+									}
 
-						scope.$watch(function() {
-							return gridster.loaded;
-						}, function() {
-							if (gridster.loaded) {
-								$elem.addClass('gridster-loaded');
-								$rootScope.$broadcast('gridster-loaded', gridster);
-							} else {
-								$elem.removeClass('gridster-loaded');
+									for (var colIndex = 0, len = columns.length; colIndex < len; ++colIndex) {
+										if (columns[colIndex]) {
+											var item = columns[colIndex];
+											item.setElementPosition();
+											item.setElementSizeY();
+											item.setElementSizeX();
+										}
+									}
+								}
+
+								updateHeight();
 							}
-						});
 
-						scope.$watch(function() {
-							return gridster.isMobile;
-						}, function() {
-							if (gridster.isMobile) {
-								$elem.addClass('gridster-mobile').removeClass('gridster-desktop');
+							var optionsKey = attrs.gridster;
+							if (optionsKey) {
+								scope.$parent.$watch(optionsKey, function(newConfig) {
+									refresh(newConfig);
+								}, true);
 							} else {
-								$elem.removeClass('gridster-mobile').addClass('gridster-desktop');
+								refresh({});
 							}
-							$rootScope.$broadcast('gridster-mobile-changed', gridster);
-						});
 
-						scope.$watch(function() {
-							return gridster.draggable;
-						}, function() {
-							$rootScope.$broadcast('gridster-draggable-changed', gridster);
-						}, true);
+							scope.$watch(function() {
+								return gridster.loaded;
+							}, function() {
+								if (gridster.loaded) {
+									$elem.addClass('gridster-loaded');
+									$rootScope.$broadcast('gridster-loaded', gridster);
+								} else {
+									$elem.removeClass('gridster-loaded');
+								}
+							});
 
-						scope.$watch(function() {
-							return gridster.resizable;
-						}, function() {
-							$rootScope.$broadcast('gridster-resizable-changed', gridster);
-						}, true);
+							scope.$watch(function() {
+								return gridster.isMobile;
+							}, function() {
+								if (gridster.isMobile) {
+									$elem.addClass('gridster-mobile').removeClass('gridster-desktop');
+								} else {
+									$elem.removeClass('gridster-mobile').addClass('gridster-desktop');
+								}
+								$rootScope.$broadcast('gridster-mobile-changed', gridster);
+							});
 
-						var prevWidth = $elem[0].offsetWidth || parseInt($elem.css('width'), 10);
+							scope.$watch(function() {
+								return gridster.draggable;
+							}, function() {
+								$rootScope.$broadcast('gridster-draggable-changed', gridster);
+							}, true);
 
-						var resize = function() {
-							var width = $elem[0].offsetWidth || parseInt($elem.css('width'), 10);
+							scope.$watch(function() {
+								return gridster.resizable;
+							}, function() {
+								$rootScope.$broadcast('gridster-resizable-changed', gridster);
+							}, true);
 
-							if (!width || width === prevWidth || gridster.movingItem) {
-								return;
-							}
-							prevWidth = width;
+							var prevWidth = $elem[0].offsetWidth || parseInt($elem.css('width'), 10);
 
-							if (gridster.loaded) {
-								$elem.removeClass('gridster-loaded');
-							}
+							var resize = function() {
+								var width = $elem[0].offsetWidth || parseInt($elem.css('width'), 10);
+
+								if (!width || width === prevWidth || gridster.movingItem) {
+									return;
+								}
+								prevWidth = width;
 
-							refresh();
+								if (gridster.loaded) {
+									$elem.removeClass('gridster-loaded');
+								}
 
-							if (gridster.loaded) {
-								$elem.addClass('gridster-loaded');
-							}
+								refresh();
 
-							$rootScope.$broadcast('gridster-resized', [width, $elem[0].offsetHeight], gridster);
-						};
+								if (gridster.loaded) {
+									$elem.addClass('gridster-loaded');
+								}
 
-						// track element width changes any way we can
-						var onResize = gridsterDebounce(function onResize() {
-							resize();
-							$timeout(function() {
-								scope.$apply();
-							});
-						}, 100);
+								$rootScope.$broadcast('gridster-resized', [width, $elem[0].offsetHeight], gridster);
+							};
 
-						scope.$watch(function() {
-							return isVisible($elem[0]);
-						}, onResize);
+							// track element width changes any way we can
+							var onResize = gridsterDebounce(function onResize() {
+								resize();
+								$timeout(function() {
+									scope.$apply();
+								});
+							}, 100);
 
-						// see https://github.com/sdecima/javascript-detect-element-resize
-						if (typeof window.addResizeListener === 'function') {
-							window.addResizeListener($elem[0], onResize);
-						} else {
 							scope.$watch(function() {
-								return $elem[0].offsetWidth || parseInt($elem.css('width'), 10);
-							}, resize);
-						}
-						var $win = angular.element($window);
-						$win.on('resize', onResize);
-
-						// be sure to cleanup
-						scope.$on('$destroy', function() {
-							gridster.destroy();
-							$win.off('resize', onResize);
-							if (typeof window.removeResizeListener === 'function') {
-								window.removeResizeListener($elem[0], onResize);
+								return isVisible($elem[0]);
+							}, onResize);
+
+							// see https://github.com/sdecima/javascript-detect-element-resize
+							if (typeof window.addResizeListener === 'function') {
+								window.addResizeListener($elem[0], onResize);
+							} else {
+								scope.$watch(function() {
+									return $elem[0].offsetWidth || parseInt($elem.css('width'), 10);
+								}, resize);
 							}
-						});
+							var $win = angular.element($window);
+							$win.on('resize', onResize);
+
+							// be sure to cleanup
+							scope.$on('$destroy', function() {
+								gridster.destroy();
+								$win.off('resize', onResize);
+								if (typeof window.removeResizeListener === 'function') {
+									window.removeResizeListener($elem[0], onResize);
+								}
+							});
+
+							// allow a little time to place items before floating up
+							$timeout(function() {
+								scope.$watch('gridster.floating', function() {
+									gridster.floatItemsUp();
+								});
+								gridster.loaded = true;
+							}, 100);
+						};
+					}
+				};
+			}
+		])
 
-						// allow a little time to place items before floating up
-						$timeout(function() {
-							scope.$watch('gridster.floating', function() {
-								gridster.floatItemsUp();
-							});
-							gridster.loaded = true;
-						}, 100);
-					};
-				}
-			};
-		}
-	])
-
-	.controller('GridsterItemCtrl', function() {
-		this.$element = null;
-		this.gridster = null;
-		this.row = null;
-		this.col = null;
-		this.sizeX = null;
-		this.sizeY = null;
-		this.minSizeX = 0;
-		this.minSizeY = 0;
-		this.maxSizeX = null;
-		this.maxSizeY = null;
-
-		this.init = function($element, gridster) {
-			this.$element = $element;
-			this.gridster = gridster;
-			this.sizeX = gridster.defaultSizeX;
-			this.sizeY = gridster.defaultSizeY;
-		};
-
-		this.destroy = function() {
-			// set these to null to avoid the possibility of circular references
-			this.gridster = null;
+		.controller('GridsterItemCtrl', function() {
 			this.$element = null;
-		};
+			this.gridster = null;
+			this.row = null;
+			this.col = null;
+			this.sizeX = null;
+			this.sizeY = null;
+			this.minSizeX = 0;
+			this.minSizeY = 0;
+			this.maxSizeX = null;
+			this.maxSizeY = null;
+
+			this.init = function($element, gridster) {
+				this.$element = $element;
+				this.gridster = gridster;
+				this.sizeX = gridster.defaultSizeX;
+				this.sizeY = gridster.defaultSizeY;
+			};
 
-		/**
-		 * Returns the items most important attributes
-		 */
-		this.toJSON = function() {
-			return {
-				row: this.row,
-				col: this.col,
-				sizeY: this.sizeY,
-				sizeX: this.sizeX
+			this.destroy = function() {
+				// set these to null to avoid the possibility of circular references
+				this.gridster = null;
+				this.$element = null;
 			};
-		};
 
-		this.isMoving = function() {
-			return this.gridster.movingItem === this;
-		};
+			/**
+			 * Returns the items most important attributes
+			 */
+			this.toJSON = function() {
+				return {
+					row: this.row,
+					col: this.col,
+					sizeY: this.sizeY,
+					sizeX: this.sizeX
+				};
+			};
 
-		/**
-		 * Set the items position
-		 *
-		 * @param {Number} row
-		 * @param {Number} column
-		 */
-		this.setPosition = function(row, column) {
-			this.gridster.putItem(this, row, column);
+			this.isMoving = function() {
+				return this.gridster.movingItem === this;
+			};
 
-			if (!this.isMoving()) {
-				this.setElementPosition();
-			}
-		};
+			/**
+			 * Set the items position
+			 *
+			 * @param {Number} row
+			 * @param {Number} column
+			 */
+			this.setPosition = function(row, column) {
+				this.gridster.putItem(this, row, column);
 
-		/**
-		 * Sets a specified size property
-		 *
-		 * @param {String} key Can be either "x" or "y"
-		 * @param {Number} value The size amount
-		 * @param {Boolean} preventMove
-		 */
-		this.setSize = function(key, value, preventMove) {
-			key = key.toUpperCase();
-			var camelCase = 'size' + key,
-				titleCase = 'Size' + key;
-			if (value === '') {
-				return;
-			}
-			value = parseInt(value, 10);
-			if (isNaN(value) || value === 0) {
-				value = this.gridster['default' + titleCase];
-			}
-			var max = key === 'X' ? this.gridster.columns : this.gridster.maxRows;
-			if (this['max' + titleCase]) {
-				max = Math.min(this['max' + titleCase], max);
-			}
-			if (this.gridster['max' + titleCase]) {
-				max = Math.min(this.gridster['max' + titleCase], max);
-			}
-			if (key === 'X' && this.cols) {
-				max -= this.cols;
-			} else if (key === 'Y' && this.rows) {
-				max -= this.rows;
-			}
+				if (!this.isMoving()) {
+					this.setElementPosition();
+				}
+			};
 
-			var min = 0;
-			if (this['min' + titleCase]) {
-				min = Math.max(this['min' + titleCase], min);
-			}
-			if (this.gridster['min' + titleCase]) {
-				min = Math.max(this.gridster['min' + titleCase], min);
-			}
+			/**
+			 * Sets a specified size property
+			 *
+			 * @param {String} key Can be either "x" or "y"
+			 * @param {Number} value The size amount
+			 * @param {Boolean} preventMove
+			 */
+			this.setSize = function(key, value, preventMove) {
+				key = key.toUpperCase();
+				var camelCase = 'size' + key,
+					titleCase = 'Size' + key;
+				if (value === '') {
+					return;
+				}
+				value = parseInt(value, 10);
+				if (isNaN(value) || value === 0) {
+					value = this.gridster['default' + titleCase];
+				}
+				var max = key === 'X' ? this.gridster.columns : this.gridster.maxRows;
+				if (this['max' + titleCase]) {
+					max = Math.min(this['max' + titleCase], max);
+				}
+				if (this.gridster['max' + titleCase]) {
+					max = Math.min(this.gridster['max' + titleCase], max);
+				}
+				if (key === 'X' && this.cols) {
+					max -= this.cols;
+				} else if (key === 'Y' && this.rows) {
+					max -= this.rows;
+				}
 
-			value = Math.max(Math.min(value, max), min);
+				var min = 0;
+				if (this['min' + titleCase]) {
+					min = Math.max(this['min' + titleCase], min);
+				}
+				if (this.gridster['min' + titleCase]) {
+					min = Math.max(this.gridster['min' + titleCase], min);
+				}
 
-			var changed = (this[camelCase] !== value || (this['old' + titleCase] && this['old' + titleCase] !== value));
-			this['old' + titleCase] = this[camelCase] = value;
+				value = Math.max(Math.min(value, max), min);
 
-			if (!this.isMoving()) {
-				this['setElement' + titleCase]();
-			}
-			if (!preventMove && changed) {
-				this.gridster.moveOverlappingItems(this);
-				this.gridster.layoutChanged();
-			}
+				var changed = (this[camelCase] !== value || (this['old' + titleCase] && this['old' + titleCase] !== value));
+				this['old' + titleCase] = this[camelCase] = value;
 
-			return changed;
-		};
+				if (!this.isMoving()) {
+					this['setElement' + titleCase]();
+				}
+				if (!preventMove && changed) {
+					this.gridster.moveOverlappingItems(this);
+					this.gridster.layoutChanged();
+				}
 
-		/**
-		 * Sets the items sizeY property
-		 *
-		 * @param {Number} rows
-		 * @param {Boolean} preventMove
-		 */
-		this.setSizeY = function(rows, preventMove) {
-			return this.setSize('Y', rows, preventMove);
-		};
+				return changed;
+			};
 
-		/**
-		 * Sets the items sizeX property
-		 *
-		 * @param {Number} columns
-		 * @param {Boolean} preventMove
-		 */
-		this.setSizeX = function(columns, preventMove) {
-			return this.setSize('X', columns, preventMove);
-		};
+			/**
+			 * Sets the items sizeY property
+			 *
+			 * @param {Number} rows
+			 * @param {Boolean} preventMove
+			 */
+			this.setSizeY = function(rows, preventMove) {
+				return this.setSize('Y', rows, preventMove);
+			};
 
-		/**
-		 * Sets an elements position on the page
-		 */
-		this.setElementPosition = function() {
-			if (this.gridster.isMobile) {
-				this.$element.css({
-					marginLeft: this.gridster.margins[0] + 'px',
-					marginRight: this.gridster.margins[0] + 'px',
-					marginTop: this.gridster.margins[1] + 'px',
-					marginBottom: this.gridster.margins[1] + 'px',
-					top: '',
-					left: ''
-				});
-			} else {
-				this.$element.css({
-					margin: 0,
-					top: (this.row * this.gridster.curRowHeight + (this.gridster.outerMargin ? this.gridster.margins[0] : 0)) + 'px',
-					left: (this.col * this.gridster.curColWidth + (this.gridster.outerMargin ? this.gridster.margins[1] : 0)) + 'px'
-				});
-			}
-		};
+			/**
+			 * Sets the items sizeX property
+			 *
+			 * @param {Number} columns
+			 * @param {Boolean} preventMove
+			 */
+			this.setSizeX = function(columns, preventMove) {
+				return this.setSize('X', columns, preventMove);
+			};
 
-		/**
-		 * Sets an elements height
-		 */
-		this.setElementSizeY = function() {
-			if (this.gridster.isMobile && !this.gridster.saveGridItemCalculatedHeightInMobile) {
-				this.$element.css('height', '');
-			} else {
-				this.$element.css('height', (this.sizeY * this.gridster.curRowHeight - this.gridster.margins[0]) + 'px');
-			}
-		};
+			/**
+			 * Sets an elements position on the page
+			 */
+			this.setElementPosition = function() {
+				if (this.gridster.isMobile) {
+					this.$element.css({
+						marginLeft: this.gridster.margins[0] + 'px',
+						marginRight: this.gridster.margins[0] + 'px',
+						marginTop: this.gridster.margins[1] + 'px',
+						marginBottom: this.gridster.margins[1] + 'px',
+						top: '',
+						left: ''
+					});
+				} else {
+					this.$element.css({
+						margin: 0,
+						top: (this.row * this.gridster.curRowHeight + (this.gridster.outerMargin ? this.gridster.margins[0] : 0)) + 'px',
+						left: (this.col * this.gridster.curColWidth + (this.gridster.outerMargin ? this.gridster.margins[1] : 0)) + 'px'
+					});
+				}
+			};
 
-		/**
-		 * Sets an elements width
-		 */
-		this.setElementSizeX = function() {
-			if (this.gridster.isMobile) {
-				this.$element.css('width', '');
-			} else {
-				this.$element.css('width', (this.sizeX * this.gridster.curColWidth - this.gridster.margins[1]) + 'px');
-			}
-		};
+			/**
+			 * Sets an elements height
+			 */
+			this.setElementSizeY = function() {
+				if (this.gridster.isMobile && !this.gridster.saveGridItemCalculatedHeightInMobile) {
+					this.$element.css('height', '');
+				} else {
+					this.$element.css('height', (this.sizeY * this.gridster.curRowHeight - this.gridster.margins[0]) + 'px');
+				}
+			};
 
-		/**
-		 * Gets an element's width
-		 */
-		this.getElementSizeX = function() {
-			return (this.sizeX * this.gridster.curColWidth - this.gridster.margins[1]);
-		};
+			/**
+			 * Sets an elements width
+			 */
+			this.setElementSizeX = function() {
+				if (this.gridster.isMobile) {
+					this.$element.css('width', '');
+				} else {
+					this.$element.css('width', (this.sizeX * this.gridster.curColWidth - this.gridster.margins[1]) + 'px');
+				}
+			};
 
-		/**
-		 * Gets an element's height
-		 */
-		this.getElementSizeY = function() {
-			return (this.sizeY * this.gridster.curRowHeight - this.gridster.margins[0]);
-		};
+			/**
+			 * Gets an element's width
+			 */
+			this.getElementSizeX = function() {
+				return (this.sizeX * this.gridster.curColWidth - this.gridster.margins[1]);
+			};
 
-	})
+			/**
+			 * Gets an element's height
+			 */
+			this.getElementSizeY = function() {
+				return (this.sizeY * this.gridster.curRowHeight - this.gridster.margins[0]);
+			};
 
-	.factory('GridsterTouch', [function() {
-		return function GridsterTouch(target, startEvent, moveEvent, endEvent) {
-			var lastXYById = {};
+		})
 
-			//  Opera doesn't have Object.keys so we use this wrapper
-			var numberOfKeys = function(theObject) {
-				if (Object.keys) {
-					return Object.keys(theObject).length;
-				}
+		.factory('GridsterTouch', [function() {
+			return function GridsterTouch(target, startEvent, moveEvent, endEvent) {
+				var lastXYById = {};
 
-				var n = 0,
-					key;
-				for (key in theObject) {
-					++n;
-				}
+				//  Opera doesn't have Object.keys so we use this wrapper
+				var numberOfKeys = function(theObject) {
+					if (Object.keys) {
+						return Object.keys(theObject).length;
+					}
 
-				return n;
-			};
+					var n = 0,
+						key;
+					for (key in theObject) {
+						++n;
+					}
 
-			//  this calculates the delta needed to convert pageX/Y to offsetX/Y because offsetX/Y don't exist in the TouchEvent object or in Firefox's MouseEvent object
-			var computeDocumentToElementDelta = function(theElement) {
-				var elementLeft = 0;
-				var elementTop = 0;
-				var oldIEUserAgent = navigator.userAgent.match(/\bMSIE\b/);
-
-				for (var offsetElement = theElement; offsetElement != null; offsetElement = offsetElement.offsetParent) {
-					//  the following is a major hack for versions of IE less than 8 to avoid an apparent problem on the IEBlog with double-counting the offsets
-					//  this may not be a general solution to IE7's problem with offsetLeft/offsetParent
-					if (oldIEUserAgent &&
-						(!document.documentMode || document.documentMode < 8) &&
-						offsetElement.currentStyle.position === 'relative' && offsetElement.offsetParent && offsetElement.offsetParent.currentStyle.position === 'relative' && offsetElement.offsetLeft === offsetElement.offsetParent.offsetLeft) {
-						// add only the top
-						elementTop += offsetElement.offsetTop;
-					} else {
-						elementLeft += offsetElement.offsetLeft;
-						elementTop += offsetElement.offsetTop;
+					return n;
+				};
+
+				//  this calculates the delta needed to convert pageX/Y to offsetX/Y because offsetX/Y don't exist in the TouchEvent object or in Firefox's MouseEvent object
+				var computeDocumentToElementDelta = function(theElement) {
+					var elementLeft = 0;
+					var elementTop = 0;
+					var oldIEUserAgent = navigator.userAgent.match(/\bMSIE\b/);
+
+					for (var offsetElement = theElement; offsetElement != null; offsetElement = offsetElement.offsetParent) {
+						//  the following is a major hack for versions of IE less than 8 to avoid an apparent problem on the IEBlog with double-counting the offsets
+						//  this may not be a general solution to IE7's problem with offsetLeft/offsetParent
+						if (oldIEUserAgent &&
+							(!document.documentMode || document.documentMode < 8) &&
+							offsetElement.currentStyle.position === 'relative' && offsetElement.offsetParent && offsetElement.offsetParent.currentStyle.position === 'relative' && offsetElement.offsetLeft === offsetElement.offsetParent.offsetLeft) {
+							// add only the top
+							elementTop += offsetElement.offsetTop;
+						} else {
+							elementLeft += offsetElement.offsetLeft;
+							elementTop += offsetElement.offsetTop;
+						}
 					}
-				}
 
-				return {
-					x: elementLeft,
-					y: elementTop
+					return {
+						x: elementLeft,
+						y: elementTop
+					};
 				};
-			};
 
-			//  cache the delta from the document to our event target (reinitialized each mousedown/MSPointerDown/touchstart)
-			var documentToTargetDelta = computeDocumentToElementDelta(target);
-			var useSetReleaseCapture = false;
+				//  cache the delta from the document to our event target (reinitialized each mousedown/MSPointerDown/touchstart)
+				var documentToTargetDelta = computeDocumentToElementDelta(target);
+				var useSetReleaseCapture = false;
 
-			//  common event handler for the mouse/pointer/touch models and their down/start, move, up/end, and cancel events
-			var doEvent = function(theEvtObj) {
+				//  common event handler for the mouse/pointer/touch models and their down/start, move, up/end, and cancel events
+				var doEvent = function(theEvtObj) {
 
-				if (theEvtObj.type === 'mousemove' && numberOfKeys(lastXYById) === 0) {
-					return;
-				}
+					if (theEvtObj.type === 'mousemove' && numberOfKeys(lastXYById) === 0) {
+						return;
+					}
 
-				var prevent = true;
-
-				var pointerList = theEvtObj.changedTouches ? theEvtObj.changedTouches : [theEvtObj];
-				for (var i = 0; i < pointerList.length; ++i) {
-					var pointerObj = pointerList[i];
-					var pointerId = (typeof pointerObj.identifier !== 'undefined') ? pointerObj.identifier : (typeof pointerObj.pointerId !== 'undefined') ? pointerObj.pointerId : 1;
-
-					//  use the pageX/Y coordinates to compute target-relative coordinates when we have them (in ie < 9, we need to do a little work to put them there)
-					if (typeof pointerObj.pageX === 'undefined') {
-						//  initialize assuming our source element is our target
-						pointerObj.pageX = pointerObj.offsetX + documentToTargetDelta.x;
-						pointerObj.pageY = pointerObj.offsetY + documentToTargetDelta.y;
-
-						if (pointerObj.srcElement.offsetParent === target && document.documentMode && document.documentMode === 8 && pointerObj.type === 'mousedown') {
-							//  source element is a child piece of VML, we're in IE8, and we've not called setCapture yet - add the origin of the source element
-							pointerObj.pageX += pointerObj.srcElement.offsetLeft;
-							pointerObj.pageY += pointerObj.srcElement.offsetTop;
-						} else if (pointerObj.srcElement !== target && !document.documentMode || document.documentMode < 8) {
-							//  source element isn't the target (most likely it's a child piece of VML) and we're in a version of IE before IE8 -
-							//  the offsetX/Y values are unpredictable so use the clientX/Y values and adjust by the scroll offsets of its parents
-							//  to get the document-relative coordinates (the same as pageX/Y)
-							var sx = -2,
-								sy = -2; // adjust for old IE's 2-pixel border
-							for (var scrollElement = pointerObj.srcElement; scrollElement !== null; scrollElement = scrollElement.parentNode) {
-								sx += scrollElement.scrollLeft ? scrollElement.scrollLeft : 0;
-								sy += scrollElement.scrollTop ? scrollElement.scrollTop : 0;
-							}
+					var prevent = true;
+
+					var pointerList = theEvtObj.changedTouches ? theEvtObj.changedTouches : [theEvtObj];
+					for (var i = 0; i < pointerList.length; ++i) {
+						var pointerObj = pointerList[i];
+						var pointerId = (typeof pointerObj.identifier !== 'undefined') ? pointerObj.identifier : (typeof pointerObj.pointerId !== 'undefined') ? pointerObj.pointerId : 1;
+
+						//  use the pageX/Y coordinates to compute target-relative coordinates when we have them (in ie < 9, we need to do a little work to put them there)
+						if (typeof pointerObj.pageX === 'undefined') {
+							//  initialize assuming our source element is our target
+							pointerObj.pageX = pointerObj.offsetX + documentToTargetDelta.x;
+							pointerObj.pageY = pointerObj.offsetY + documentToTargetDelta.y;
+
+							if (pointerObj.srcElement.offsetParent === target && document.documentMode && document.documentMode === 8 && pointerObj.type === 'mousedown') {
+								//  source element is a child piece of VML, we're in IE8, and we've not called setCapture yet - add the origin of the source element
+								pointerObj.pageX += pointerObj.srcElement.offsetLeft;
+								pointerObj.pageY += pointerObj.srcElement.offsetTop;
+							} else if (pointerObj.srcElement !== target && !document.documentMode || document.documentMode < 8) {
+								//  source element isn't the target (most likely it's a child piece of VML) and we're in a version of IE before IE8 -
+								//  the offsetX/Y values are unpredictable so use the clientX/Y values and adjust by the scroll offsets of its parents
+								//  to get the document-relative coordinates (the same as pageX/Y)
+								var sx = -2,
+									sy = -2; // adjust for old IE's 2-pixel border
+								for (var scrollElement = pointerObj.srcElement; scrollElement !== null; scrollElement = scrollElement.parentNode) {
+									sx += scrollElement.scrollLeft ? scrollElement.scrollLeft : 0;
+									sy += scrollElement.scrollTop ? scrollElement.scrollTop : 0;
+								}
 
-							pointerObj.pageX = pointerObj.clientX + sx;
-							pointerObj.pageY = pointerObj.clientY + sy;
+								pointerObj.pageX = pointerObj.clientX + sx;
+								pointerObj.pageY = pointerObj.clientY + sy;
+							}
 						}
-					}
 
 
-					var pageX = pointerObj.pageX;
-					var pageY = pointerObj.pageY;
+						var pageX = pointerObj.pageX;
+						var pageY = pointerObj.pageY;
 
-					if (theEvtObj.type.match(/(start|down)$/i)) {
-						//  clause for processing MSPointerDown, touchstart, and mousedown
+						if (theEvtObj.type.match(/(start|down)$/i)) {
+							//  clause for processing MSPointerDown, touchstart, and mousedown
 
-						//  refresh the document-to-target delta on start in case the target has moved relative to document
-						documentToTargetDelta = computeDocumentToElementDelta(target);
+							//  refresh the document-to-target delta on start in case the target has moved relative to document
+							documentToTargetDelta = computeDocumentToElementDelta(target);
 
-						//  protect against failing to get an up or end on this pointerId
-						if (lastXYById[pointerId]) {
-							if (endEvent) {
-								endEvent({
-									target: theEvtObj.target,
-									which: theEvtObj.which,
-									pointerId: pointerId,
-									pageX: pageX,
-									pageY: pageY
-								});
-							}
+							//  protect against failing to get an up or end on this pointerId
+							if (lastXYById[pointerId]) {
+								if (endEvent) {
+									endEvent({
+										target: theEvtObj.target,
+										which: theEvtObj.which,
+										pointerId: pointerId,
+										pageX: pageX,
+										pageY: pageY
+									});
+								}
 
-							delete lastXYById[pointerId];
-						}
+								delete lastXYById[pointerId];
+							}
 
-						if (startEvent) {
-							if (prevent) {
-								prevent = startEvent({
-									target: theEvtObj.target,
-									which: theEvtObj.which,
-									pointerId: pointerId,
-									pageX: pageX,
-									pageY: pageY
-								});
+							if (startEvent) {
+								if (prevent) {
+									prevent = startEvent({
+										target: theEvtObj.target,
+										which: theEvtObj.which,
+										pointerId: pointerId,
+										pageX: pageX,
+										pageY: pageY
+									});
+								}
 							}
-						}
 
-						//  init last page positions for this pointer
-						lastXYById[pointerId] = {
-							x: pageX,
-							y: pageY
-						};
+							//  init last page positions for this pointer
+							lastXYById[pointerId] = {
+								x: pageX,
+								y: pageY
+							};
 
-						// IE pointer model
-						if (target.msSetPointerCapture && prevent) {
-							target.msSetPointerCapture(pointerId);
-						} else if (theEvtObj.type === 'mousedown' && numberOfKeys(lastXYById) === 1) {
-							if (useSetReleaseCapture) {
-								target.setCapture(true);
-							} else {
-								document.addEventListener('mousemove', doEvent, false);
-								document.addEventListener('mouseup', doEvent, false);
-								document.addEventListener('mouseleave', doEvent, false);
+							// IE pointer model
+							if (target.msSetPointerCapture && prevent) {
+								target.msSetPointerCapture(pointerId);
+							} else if (theEvtObj.type === 'mousedown' && numberOfKeys(lastXYById) === 1) {
+								if (useSetReleaseCapture) {
+									target.setCapture(true);
+								} else {
+									document.addEventListener('mousemove', doEvent, false);
+									document.addEventListener('mouseup', doEvent, false);
+									document.addEventListener('mouseleave', doEvent, false);
+								}
 							}
-						}
-					} else if (theEvtObj.type.match(/move$/i)) {
-						//  clause handles mousemove, MSPointerMove, and touchmove
+						} else if (theEvtObj.type.match(/move$/i)) {
+							//  clause handles mousemove, MSPointerMove, and touchmove
+
+							if (lastXYById[pointerId] && !(lastXYById[pointerId].x === pageX && lastXYById[pointerId].y === pageY)) {
+								//  only extend if the pointer is down and it's not the same as the last point
+
+								if (moveEvent && prevent) {
+									prevent = moveEvent({
+										target: theEvtObj.target,
+										which: theEvtObj.which,
+										pointerId: pointerId,
+										pageX: pageX,
+										pageY: pageY
+									});
+								}
 
-						if (lastXYById[pointerId] && !(lastXYById[pointerId].x === pageX && lastXYById[pointerId].y === pageY)) {
-							//  only extend if the pointer is down and it's not the same as the last point
+								//  update last page positions for this pointer
+								lastXYById[pointerId].x = pageX;
+								lastXYById[pointerId].y = pageY;
+							}
+						} else if (lastXYById[pointerId] && theEvtObj.type.match(/(up|end|cancel|leave)$/i)) {
+							//  clause handles up/end/cancel
 
-							if (moveEvent && prevent) {
-								prevent = moveEvent({
+							if (endEvent && prevent) {
+								prevent = endEvent({
 									target: theEvtObj.target,
 									which: theEvtObj.which,
 									pointerId: pointerId,
@@ -1210,1031 +1227,1017 @@
 								});
 							}
 
-							//  update last page positions for this pointer
-							lastXYById[pointerId].x = pageX;
-							lastXYById[pointerId].y = pageY;
-						}
-					} else if (lastXYById[pointerId] && theEvtObj.type.match(/(up|end|cancel|leave)$/i)) {
-						//  clause handles up/end/cancel
-
-						if (endEvent && prevent) {
-							prevent = endEvent({
-								target: theEvtObj.target,
-								which: theEvtObj.which,
-								pointerId: pointerId,
-								pageX: pageX,
-								pageY: pageY
-							});
-						}
-
-						//  delete last page positions for this pointer
-						delete lastXYById[pointerId];
+							//  delete last page positions for this pointer
+							delete lastXYById[pointerId];
 
-						//  in the Microsoft pointer model, release the capture for this pointer
-						//  in the mouse model, release the capture or remove document-level event handlers if there are no down points
-						//  nothing is required for the iOS touch model because capture is implied on touchstart
-						if (target.msReleasePointerCapture) {
-							target.msReleasePointerCapture(pointerId);
-						} else if (theEvtObj.type === 'mouseup' && numberOfKeys(lastXYById) === 0) {
-							if (useSetReleaseCapture) {
-								target.releaseCapture();
-							} else {
-								document.removeEventListener('mousemove', doEvent, false);
-								document.removeEventListener('mouseup', doEvent, false);
-								document.removeEventListener('mouseleave', doEvent, false);
+							//  in the Microsoft pointer model, release the capture for this pointer
+							//  in the mouse model, release the capture or remove document-level event handlers if there are no down points
+							//  nothing is required for the iOS touch model because capture is implied on touchstart
+							if (target.msReleasePointerCapture) {
+								target.msReleasePointerCapture(pointerId);
+							} else if (theEvtObj.type === 'mouseup' && numberOfKeys(lastXYById) === 0) {
+								if (useSetReleaseCapture) {
+									target.releaseCapture();
+								} else {
+									document.removeEventListener('mousemove', doEvent, false);
+									document.removeEventListener('mouseup', doEvent, false);
+									document.removeEventListener('mouseleave', doEvent, false);
+								}
 							}
 						}
 					}
-				}
 
-				if (prevent) {
-					if (theEvtObj.preventDefault) {
-						theEvtObj.preventDefault();
-					}
+					if (prevent) {
+						if (theEvtObj.preventDefault) {
+							theEvtObj.preventDefault();
+						}
 
-					if (theEvtObj.preventManipulation) {
-						theEvtObj.preventManipulation();
-					}
+						if (theEvtObj.preventManipulation) {
+							theEvtObj.preventManipulation();
+						}
 
-					if (theEvtObj.preventMouseEvent) {
-						theEvtObj.preventMouseEvent();
+						if (theEvtObj.preventMouseEvent) {
+							theEvtObj.preventMouseEvent();
+						}
 					}
-				}
-			};
-
-			// saving the settings for contentZooming and touchaction before activation
-			var contentZooming, msTouchAction;
-
-			this.enable = function() {
-
-				if (window.navigator.msPointerEnabled) {
-					//  Microsoft pointer model
-					target.addEventListener('MSPointerDown', doEvent, false);
-					target.addEventListener('MSPointerMove', doEvent, false);
-					target.addEventListener('MSPointerUp', doEvent, false);
-					target.addEventListener('MSPointerCancel', doEvent, false);
+				};
 
-					//  css way to prevent panning in our target area
-					if (typeof target.style.msContentZooming !== 'undefined') {
-						contentZooming = target.style.msContentZooming;
-						target.style.msContentZooming = 'none';
-					}
+				// saving the settings for contentZooming and touchaction before activation
+				var contentZooming, msTouchAction;
 
-					//  new in Windows Consumer Preview: css way to prevent all built-in touch actions on our target
-					//  without this, you cannot touch draw on the element because IE will intercept the touch events
-					if (typeof target.style.msTouchAction !== 'undefined') {
-						msTouchAction = target.style.msTouchAction;
-						target.style.msTouchAction = 'none';
-					}
-				} else if (target.addEventListener) {
-					//  iOS touch model
-					target.addEventListener('touchstart', doEvent, false);
-					target.addEventListener('touchmove', doEvent, false);
-					target.addEventListener('touchend', doEvent, false);
-					target.addEventListener('touchcancel', doEvent, false);
+				this.enable = function() {
 
-					//  mouse model
-					target.addEventListener('mousedown', doEvent, false);
+					if (window.navigator.msPointerEnabled) {
+						//  Microsoft pointer model
+						target.addEventListener('MSPointerDown', doEvent, false);
+						target.addEventListener('MSPointerMove', doEvent, false);
+						target.addEventListener('MSPointerUp', doEvent, false);
+						target.addEventListener('MSPointerCancel', doEvent, false);
+
+						//  css way to prevent panning in our target area
+						if (typeof target.style.msContentZooming !== 'undefined') {
+							contentZooming = target.style.msContentZooming;
+							target.style.msContentZooming = 'none';
+						}
 
-					//  mouse model with capture
-					//  rejecting gecko because, unlike ie, firefox does not send events to target when the mouse is outside target
-					if (target.setCapture && !window.navigator.userAgent.match(/\bGecko\b/)) {
+						//  new in Windows Consumer Preview: css way to prevent all built-in touch actions on our target
+						//  without this, you cannot touch draw on the element because IE will intercept the touch events
+						if (typeof target.style.msTouchAction !== 'undefined') {
+							msTouchAction = target.style.msTouchAction;
+							target.style.msTouchAction = 'none';
+						}
+					} else if (target.addEventListener) {
+						//  iOS touch model
+						target.addEventListener('touchstart', doEvent, false);
+						target.addEventListener('touchmove', doEvent, false);
+						target.addEventListener('touchend', doEvent, false);
+						target.addEventListener('touchcancel', doEvent, false);
+
+						//  mouse model
+						target.addEventListener('mousedown', doEvent, false);
+
+						//  mouse model with capture
+						//  rejecting gecko because, unlike ie, firefox does not send events to target when the mouse is outside target
+						if (target.setCapture && !window.navigator.userAgent.match(/\bGecko\b/)) {
+							useSetReleaseCapture = true;
+
+							target.addEventListener('mousemove', doEvent, false);
+							target.addEventListener('mouseup', doEvent, false);
+						}
+					} else if (target.attachEvent && target.setCapture) {
+						//  legacy IE mode - mouse with capture
 						useSetReleaseCapture = true;
-
-						target.addEventListener('mousemove', doEvent, false);
-						target.addEventListener('mouseup', doEvent, false);
+						target.attachEvent('onmousedown', function() {
+							doEvent(window.event);
+							window.event.returnValue = false;
+							return false;
+						});
+						target.attachEvent('onmousemove', function() {
+							doEvent(window.event);
+							window.event.returnValue = false;
+							return false;
+						});
+						target.attachEvent('onmouseup', function() {
+							doEvent(window.event);
+							window.event.returnValue = false;
+							return false;
+						});
 					}
-				} else if (target.attachEvent && target.setCapture) {
-					//  legacy IE mode - mouse with capture
-					useSetReleaseCapture = true;
-					target.attachEvent('onmousedown', function() {
-						doEvent(window.event);
-						window.event.returnValue = false;
-						return false;
-					});
-					target.attachEvent('onmousemove', function() {
-						doEvent(window.event);
-						window.event.returnValue = false;
-						return false;
-					});
-					target.attachEvent('onmouseup', function() {
-						doEvent(window.event);
-						window.event.returnValue = false;
-						return false;
-					});
-				}
-			};
+				};
 
-			this.disable = function() {
-				if (window.navigator.msPointerEnabled) {
-					//  Microsoft pointer model
-					target.removeEventListener('MSPointerDown', doEvent, false);
-					target.removeEventListener('MSPointerMove', doEvent, false);
-					target.removeEventListener('MSPointerUp', doEvent, false);
-					target.removeEventListener('MSPointerCancel', doEvent, false);
+				this.disable = function() {
+					if (window.navigator.msPointerEnabled) {
+						//  Microsoft pointer model
+						target.removeEventListener('MSPointerDown', doEvent, false);
+						target.removeEventListener('MSPointerMove', doEvent, false);
+						target.removeEventListener('MSPointerUp', doEvent, false);
+						target.removeEventListener('MSPointerCancel', doEvent, false);
+
+						//  reset zooming to saved value
+						if (contentZooming) {
+							target.style.msContentZooming = contentZooming;
+						}
 
-					//  reset zooming to saved value
-					if (contentZooming) {
-						target.style.msContentZooming = contentZooming;
+						// reset touch action setting
+						if (msTouchAction) {
+							target.style.msTouchAction = msTouchAction;
+						}
+					} else if (target.removeEventListener) {
+						//  iOS touch model
+						target.removeEventListener('touchstart', doEvent, false);
+						target.removeEventListener('touchmove', doEvent, false);
+						target.removeEventListener('touchend', doEvent, false);
+						target.removeEventListener('touchcancel', doEvent, false);
+
+						//  mouse model
+						target.removeEventListener('mousedown', doEvent, false);
+
+						//  mouse model with capture
+						//  rejecting gecko because, unlike ie, firefox does not send events to target when the mouse is outside target
+						if (target.setCapture && !window.navigator.userAgent.match(/\bGecko\b/)) {
+							useSetReleaseCapture = true;
+
+							target.removeEventListener('mousemove', doEvent, false);
+							target.removeEventListener('mouseup', doEvent, false);
+						}
+					} else if (target.detachEvent && target.setCapture) {
+						//  legacy IE mode - mouse with capture
+						useSetReleaseCapture = true;
+						target.detachEvent('onmousedown');
+						target.detachEvent('onmousemove');
+						target.detachEvent('onmouseup');
 					}
+				};
 
-					// reset touch action setting
-					if (msTouchAction) {
-						target.style.msTouchAction = msTouchAction;
-					}
-				} else if (target.removeEventListener) {
-					//  iOS touch model
-					target.removeEventListener('touchstart', doEvent, false);
-					target.removeEventListener('touchmove', doEvent, false);
-					target.removeEventListener('touchend', doEvent, false);
-					target.removeEventListener('touchcancel', doEvent, false);
+				return this;
+			};
+		}])
 
-					//  mouse model
-					target.removeEventListener('mousedown', doEvent, false);
+		.factory('GridsterDraggable', ['$document', '$window', 'GridsterTouch',
+			function($document, $window, GridsterTouch) {
+				function GridsterDraggable($el, scope, gridster, item, itemOptions) {
 
-					//  mouse model with capture
-					//  rejecting gecko because, unlike ie, firefox does not send events to target when the mouse is outside target
-					if (target.setCapture && !window.navigator.userAgent.match(/\bGecko\b/)) {
-						useSetReleaseCapture = true;
+					var elmX, elmY, elmW, elmH,
 
-						target.removeEventListener('mousemove', doEvent, false);
-						target.removeEventListener('mouseup', doEvent, false);
-					}
-				} else if (target.detachEvent && target.setCapture) {
-					//  legacy IE mode - mouse with capture
-					useSetReleaseCapture = true;
-					target.detachEvent('onmousedown');
-					target.detachEvent('onmousemove');
-					target.detachEvent('onmouseup');
-				}
-			};
+						mouseX = 0,
+						mouseY = 0,
+						lastMouseX = 0,
+						lastMouseY = 0,
+						mOffX = 0,
+						mOffY = 0,
 
-			return this;
-		};
-	}])
+						minTop = 0,
+						minLeft = 0,
+						realdocument = $document[0];
 
-	.factory('GridsterDraggable', ['$document', '$window', 'GridsterTouch',
-		function($document, $window, GridsterTouch) {
-			function GridsterDraggable($el, scope, gridster, item, itemOptions) {
+					var originalCol, originalRow;
+					var inputTags = ['select', 'option', 'input', 'textarea', 'button'];
 
-				var elmX, elmY, elmW, elmH,
+					function dragStart(event) {
+						$el.addClass('gridster-item-moving');
+						gridster.movingItem = item;
 
-					mouseX = 0,
-					mouseY = 0,
-					lastMouseX = 0,
-					lastMouseY = 0,
-					mOffX = 0,
-					mOffY = 0,
+						gridster.updateHeight(item.sizeY);
+						scope.$apply(function() {
+							if (gridster.draggable && gridster.draggable.start) {
+								gridster.draggable.start(event, $el, itemOptions, item);
+							}
+						});
+					}
 
-					minTop = 0,
-					minLeft = 0,
-					realdocument = $document[0];
+					function drag(event) {
+						var oldRow = item.row,
+							oldCol = item.col,
+							hasCallback = gridster.draggable && gridster.draggable.drag,
+							scrollSensitivity = gridster.draggable.scrollSensitivity,
+							scrollSpeed = gridster.draggable.scrollSpeed;
+
+						var row = Math.min(gridster.pixelsToRows(elmY), gridster.maxRows - 1);
+						var col = Math.min(gridster.pixelsToColumns(elmX), gridster.columns - 1);
+
+						var itemsInTheWay = gridster.getItems(row, col, item.sizeX, item.sizeY, item);
+						var hasItemsInTheWay = itemsInTheWay.length !== 0;
+
+						if (gridster.swapping === true && hasItemsInTheWay) {
+							var boundingBoxItem = gridster.getBoundingBox(itemsInTheWay),
+								sameSize = boundingBoxItem.sizeX === item.sizeX && boundingBoxItem.sizeY === item.sizeY,
+								sameRow = boundingBoxItem.row === oldRow,
+								sameCol = boundingBoxItem.col === oldCol,
+								samePosition = boundingBoxItem.row === row && boundingBoxItem.col === col,
+								inline = sameRow || sameCol;
+
+							if (sameSize && itemsInTheWay.length === 1) {
+								if (samePosition) {
+									gridster.swapItems(item, itemsInTheWay[0]);
+								} else if (inline) {
+									return;
+								}
+							} else if (boundingBoxItem.sizeX <= item.sizeX && boundingBoxItem.sizeY <= item.sizeY && inline) {
+								var emptyRow = item.row <= row ? item.row : row + item.sizeY,
+									emptyCol = item.col <= col ? item.col : col + item.sizeX,
+									rowOffset = emptyRow - boundingBoxItem.row,
+									colOffset = emptyCol - boundingBoxItem.col;
+
+								for (var i = 0, l = itemsInTheWay.length; i < l; ++i) {
+									var itemInTheWay = itemsInTheWay[i];
+
+									var itemsInFreeSpace = gridster.getItems(
+										itemInTheWay.row + rowOffset,
+										itemInTheWay.col + colOffset,
+										itemInTheWay.sizeX,
+										itemInTheWay.sizeY,
+										item
+									);
+
+									if (itemsInFreeSpace.length === 0) {
+										gridster.putItem(itemInTheWay, itemInTheWay.row + rowOffset, itemInTheWay.col + colOffset);
+									}
+								}
+							}
+						}
 
-				var originalCol, originalRow;
-				var inputTags = ['select', 'option', 'input', 'textarea', 'button'];
+						if (gridster.pushing !== false || !hasItemsInTheWay) {
+							item.row = row;
+							item.col = col;
+						}
 
-				function dragStart(event) {
-					$el.addClass('gridster-item-moving');
-					gridster.movingItem = item;
+						if (event.pageY - realdocument.body.scrollTop < scrollSensitivity) {
+							realdocument.body.scrollTop = realdocument.body.scrollTop - scrollSpeed;
+						} else if ($window.innerHeight - (event.pageY - realdocument.body.scrollTop) < scrollSensitivity) {
+							realdocument.body.scrollTop = realdocument.body.scrollTop + scrollSpeed;
+						}
 
-					gridster.updateHeight(item.sizeY);
-					scope.$apply(function() {
-						if (gridster.draggable && gridster.draggable.start) {
-							gridster.draggable.start(event, $el, itemOptions, item);
+						if (event.pageX - realdocument.body.scrollLeft < scrollSensitivity) {
+							realdocument.body.scrollLeft = realdocument.body.scrollLeft - scrollSpeed;
+						} else if ($window.innerWidth - (event.pageX - realdocument.body.scrollLeft) < scrollSensitivity) {
+							realdocument.body.scrollLeft = realdocument.body.scrollLeft + scrollSpeed;
 						}
-					});
-				}
 
-				function drag(event) {
-					var oldRow = item.row,
-						oldCol = item.col,
-						hasCallback = gridster.draggable && gridster.draggable.drag,
-						scrollSensitivity = gridster.draggable.scrollSensitivity,
-						scrollSpeed = gridster.draggable.scrollSpeed;
-
-					var row = Math.min(gridster.pixelsToRows(elmY), gridster.maxRows - 1);
-					var col = Math.min(gridster.pixelsToColumns(elmX), gridster.columns - 1);
-
-					var itemsInTheWay = gridster.getItems(row, col, item.sizeX, item.sizeY, item);
-					var hasItemsInTheWay = itemsInTheWay.length !== 0;
-
-					if (gridster.swapping === true && hasItemsInTheWay) {
-						var boundingBoxItem = gridster.getBoundingBox(itemsInTheWay),
-							sameSize = boundingBoxItem.sizeX === item.sizeX && boundingBoxItem.sizeY === item.sizeY,
-							sameRow = boundingBoxItem.row === oldRow,
-							sameCol = boundingBoxItem.col === oldCol,
-							samePosition = boundingBoxItem.row === row && boundingBoxItem.col === col,
-							inline = sameRow || sameCol;
-
-						if (sameSize && itemsInTheWay.length === 1) {
-							if (samePosition) {
-								gridster.swapItems(item, itemsInTheWay[0]);
-							} else if (inline) {
-								return;
-							}
-						} else if (boundingBoxItem.sizeX <= item.sizeX && boundingBoxItem.sizeY <= item.sizeY && inline) {
-							var emptyRow = item.row <= row ? item.row : row + item.sizeY,
-								emptyCol = item.col <= col ? item.col : col + item.sizeX,
-								rowOffset = emptyRow - boundingBoxItem.row,
-								colOffset = emptyCol - boundingBoxItem.col;
-
-							for (var i = 0, l = itemsInTheWay.length; i < l; ++i) {
-								var itemInTheWay = itemsInTheWay[i];
-
-								var itemsInFreeSpace = gridster.getItems(
-									itemInTheWay.row + rowOffset,
-									itemInTheWay.col + colOffset,
-									itemInTheWay.sizeX,
-									itemInTheWay.sizeY,
-									item
-								);
-
-								if (itemsInFreeSpace.length === 0) {
-									gridster.putItem(itemInTheWay, itemInTheWay.row + rowOffset, itemInTheWay.col + colOffset);
+						if (hasCallback || oldRow !== item.row || oldCol !== item.col) {
+							scope.$apply(function() {
+								if (hasCallback) {
+									gridster.draggable.drag(event, $el, itemOptions, item);
 								}
-							}
+							});
 						}
 					}
 
-					if (gridster.pushing !== false || !hasItemsInTheWay) {
-						item.row = row;
-						item.col = col;
-					}
-
-					if (event.pageY - realdocument.body.scrollTop < scrollSensitivity) {
-						realdocument.body.scrollTop = realdocument.body.scrollTop - scrollSpeed;
-					} else if ($window.innerHeight - (event.pageY - realdocument.body.scrollTop) < scrollSensitivity) {
-						realdocument.body.scrollTop = realdocument.body.scrollTop + scrollSpeed;
-					}
-
-					if (event.pageX - realdocument.body.scrollLeft < scrollSensitivity) {
-						realdocument.body.scrollLeft = realdocument.body.scrollLeft - scrollSpeed;
-					} else if ($window.innerWidth - (event.pageX - realdocument.body.scrollLeft) < scrollSensitivity) {
-						realdocument.body.scrollLeft = realdocument.body.scrollLeft + scrollSpeed;
-					}
+					function dragStop(event) {
+						$el.removeClass('gridster-item-moving');
+						var row = Math.min(gridster.pixelsToRows(elmY), gridster.maxRows - 1);
+						var col = Math.min(gridster.pixelsToColumns(elmX), gridster.columns - 1);
+						if (gridster.pushing !== false || gridster.getItems(row, col, item.sizeX, item.sizeY, item).length === 0) {
+							item.row = row;
+							item.col = col;
+						}
+						gridster.movingItem = null;
+						item.setPosition(item.row, item.col);
 
-					if (hasCallback || oldRow !== item.row || oldCol !== item.col) {
 						scope.$apply(function() {
-							if (hasCallback) {
-								gridster.draggable.drag(event, $el, itemOptions, item);
+							if (gridster.draggable && gridster.draggable.stop) {
+								gridster.draggable.stop(event, $el, itemOptions, item);
 							}
 						});
 					}
-				}
-
-				function dragStop(event) {
-					$el.removeClass('gridster-item-moving');
-					var row = Math.min(gridster.pixelsToRows(elmY), gridster.maxRows - 1);
-					var col = Math.min(gridster.pixelsToColumns(elmX), gridster.columns - 1);
-					if (gridster.pushing !== false || gridster.getItems(row, col, item.sizeX, item.sizeY, item).length === 0) {
-						item.row = row;
-						item.col = col;
-					}
-					gridster.movingItem = null;
-					item.setPosition(item.row, item.col);
 
-					scope.$apply(function() {
-						if (gridster.draggable && gridster.draggable.stop) {
-							gridster.draggable.stop(event, $el, itemOptions, item);
+					function mouseDown(e) {
+						if (inputTags.indexOf(e.target.nodeName.toLowerCase()) !== -1) {
+							return false;
 						}
-					});
-				}
-
-				function mouseDown(e) {
-					if (inputTags.indexOf(e.target.nodeName.toLowerCase()) !== -1) {
-						return false;
-					}
 
-					var $target = angular.element(e.target);
+						var $target = angular.element(e.target);
 
-					// exit, if a resize handle was hit
-					if ($target.hasClass('gridster-item-resizable-handler')) {
-						return false;
-					}
+						// exit, if a resize handle was hit
+						if ($target.hasClass('gridster-item-resizable-handler')) {
+							return false;
+						}
 
-					// exit, if the target has it's own click event
-					if ($target.attr('onclick') || $target.attr('ng-click')) {
-						return false;
-					}
+						// exit, if the target has it's own click event
+						if ($target.attr('onclick') || $target.attr('ng-click')) {
+							return false;
+						}
 
-					// only works if you have jQuery
-					if ($target.closest && $target.closest('.gridster-no-drag').length) {
-						return false;
-					}
+						// only works if you have jQuery
+						if ($target.closest && $target.closest('.gridster-no-drag').length) {
+							return false;
+						}
 
-					// apply drag handle filter
-					if (gridster.draggable && gridster.draggable.handle) {
-						var $dragHandles = angular.element($el[0].querySelectorAll(gridster.draggable.handle));
-						var match = false;
-						outerloop:
-							for (var h = 0, hl = $dragHandles.length; h < hl; ++h) {
-								var handle = $dragHandles[h];
-								if (handle === e.target) {
-									match = true;
-									break;
-								}
-								var target = e.target;
-								for (var p = 0; p < 20; ++p) {
-									var parent = target.parentNode;
-									if (parent === $el[0] || !parent) {
+						// apply drag handle filter
+						if (gridster.draggable && gridster.draggable.handle) {
+							var $dragHandles = angular.element($el[0].querySelectorAll(gridster.draggable.handle));
+							var match = false;
+							outerloop:
+								for (var h = 0, hl = $dragHandles.length; h < hl; ++h) {
+									var handle = $dragHandles[h];
+									if (handle === e.target) {
+										match = true;
 										break;
 									}
-									if (parent === handle) {
-										match = true;
-										break outerloop;
+									var target = e.target;
+									for (var p = 0; p < 20; ++p) {
+										var parent = target.parentNode;
+										if (parent === $el[0] || !parent) {
+											break;
+										}
+										if (parent === handle) {
+											match = true;
+											break outerloop;
+										}
+										target = parent;
 									}
-									target = parent;
 								}
+							if (!match) {
+								return false;
 							}
-						if (!match) {
-							return false;
 						}
-					}
-
-					switch (e.which) {
-						case 1:
-							// left mouse button
-							break;
-						case 2:
-						case 3:
-							// right or middle mouse button
-							return;
-					}
 
-					lastMouseX = e.pageX;
-					lastMouseY = e.pageY;
+						switch (e.which) {
+							case 1:
+								// left mouse button
+								break;
+							case 2:
+							case 3:
+								// right or middle mouse button
+								return;
+						}
 
-					elmX = parseInt($el.css('left'), 10);
-					elmY = parseInt($el.css('top'), 10);
-					elmW = $el[0].offsetWidth;
-					elmH = $el[0].offsetHeight;
+						lastMouseX = e.pageX;
+						lastMouseY = e.pageY;
 
-					originalCol = item.col;
-					originalRow = item.row;
+						elmX = parseInt($el.css('left'), 10);
+						elmY = parseInt($el.css('top'), 10);
+						elmW = $el[0].offsetWidth;
+						elmH = $el[0].offsetHeight;
 
-					dragStart(e);
+						originalCol = item.col;
+						originalRow = item.row;
 
-					return true;
-				}
+						dragStart(e);
 
-				function mouseMove(e) {
-					if (!$el.hasClass('gridster-item-moving') || $el.hasClass('gridster-item-resizing')) {
-						return false;
+						return true;
 					}
 
-					var maxLeft = gridster.curWidth - 1;
-					var maxTop = gridster.curRowHeight * gridster.maxRows - 1;
+					function mouseMove(e) {
+						if (!$el.hasClass('gridster-item-moving') || $el.hasClass('gridster-item-resizing')) {
+							return false;
+						}
 
-					// Get the current mouse position.
-					mouseX = e.pageX;
-					mouseY = e.pageY;
+						var maxLeft = gridster.curWidth - 1;
+						var maxTop = gridster.curRowHeight * gridster.maxRows - 1;
 
-					// Get the deltas
-					var diffX = mouseX - lastMouseX + mOffX;
-					var diffY = mouseY - lastMouseY + mOffY;
-					mOffX = mOffY = 0;
+						// Get the current mouse position.
+						mouseX = e.pageX;
+						mouseY = e.pageY;
 
-					// Update last processed mouse positions.
-					lastMouseX = mouseX;
-					lastMouseY = mouseY;
+						// Get the deltas
+						var diffX = mouseX - lastMouseX + mOffX;
+						var diffY = mouseY - lastMouseY + mOffY;
+						mOffX = mOffY = 0;
 
-					var dX = diffX,
-						dY = diffY;
-					if (elmX + dX < minLeft) {
-						diffX = minLeft - elmX;
-						mOffX = dX - diffX;
-					} else if (elmX + elmW + dX > maxLeft) {
-						diffX = maxLeft - elmX - elmW;
-						mOffX = dX - diffX;
-					}
+						// Update last processed mouse positions.
+						lastMouseX = mouseX;
+						lastMouseY = mouseY;
 
-					if (elmY + dY < minTop) {
-						diffY = minTop - elmY;
-						mOffY = dY - diffY;
-					} else if (elmY + elmH + dY > maxTop) {
-						diffY = maxTop - elmY - elmH;
-						mOffY = dY - diffY;
-					}
-					elmX += diffX;
-					elmY += diffY;
+						var dX = diffX,
+							dY = diffY;
+						if (elmX + dX < minLeft) {
+							diffX = minLeft - elmX;
+							mOffX = dX - diffX;
+						} else if (elmX + elmW + dX > maxLeft) {
+							diffX = maxLeft - elmX - elmW;
+							mOffX = dX - diffX;
+						}
 
-					// set new position
-					$el.css({
-						'top': elmY + 'px',
-						'left': elmX + 'px'
-					});
+						if (elmY + dY < minTop) {
+							diffY = minTop - elmY;
+							mOffY = dY - diffY;
+						} else if (elmY + elmH + dY > maxTop) {
+							diffY = maxTop - elmY - elmH;
+							mOffY = dY - diffY;
+						}
+						elmX += diffX;
+						elmY += diffY;
 
-					drag(e);
+						// set new position
+						$el.css({
+							'top': elmY + 'px',
+							'left': elmX + 'px'
+						});
 
-					return true;
-				}
+						drag(e);
 
-				function mouseUp(e) {
-					if (!$el.hasClass('gridster-item-moving') || $el.hasClass('gridster-item-resizing')) {
-						return false;
+						return true;
 					}
 
-					mOffX = mOffY = 0;
-
-					dragStop(e);
+					function mouseUp(e) {
+						if (!$el.hasClass('gridster-item-moving') || $el.hasClass('gridster-item-resizing')) {
+							return false;
+						}
 
-					return true;
-				}
+						mOffX = mOffY = 0;
 
-				var enabled = null;
-				var gridsterTouch = null;
+						dragStop(e);
 
-				this.enable = function() {
-					if (enabled === true) {
-						return;
+						return true;
 					}
-					enabled = true;
 
-					if (gridsterTouch) {
+					var enabled = null;
+					var gridsterTouch = null;
+
+					this.enable = function() {
+						if (enabled === true) {
+							return;
+						}
+						enabled = true;
+
+						if (gridsterTouch) {
+							gridsterTouch.enable();
+							return;
+						}
+
+						gridsterTouch = new GridsterTouch($el[0], mouseDown, mouseMove, mouseUp);
 						gridsterTouch.enable();
-						return;
-					}
+					};
 
-					gridsterTouch = new GridsterTouch($el[0], mouseDown, mouseMove, mouseUp);
-					gridsterTouch.enable();
-				};
+					this.disable = function() {
+						if (enabled === false) {
+							return;
+						}
 
-				this.disable = function() {
-					if (enabled === false) {
-						return;
-					}
+						enabled = false;
+						if (gridsterTouch) {
+							gridsterTouch.disable();
+						}
+					};
 
-					enabled = false;
-					if (gridsterTouch) {
-						gridsterTouch.disable();
-					}
-				};
+					this.toggle = function(enabled) {
+						if (enabled) {
+							this.enable();
+						} else {
+							this.disable();
+						}
+					};
 
-				this.toggle = function(enabled) {
-					if (enabled) {
-						this.enable();
-					} else {
+					this.destroy = function() {
 						this.disable();
-					}
-				};
+					};
+				}
 
-				this.destroy = function() {
-					this.disable();
-				};
+				return GridsterDraggable;
 			}
+		])
 
-			return GridsterDraggable;
-		}
-	])
+		.factory('GridsterResizable', ['GridsterTouch', function(GridsterTouch) {
+			function GridsterResizable($el, scope, gridster, item, itemOptions) {
 
-	.factory('GridsterResizable', ['GridsterTouch', function(GridsterTouch) {
-		function GridsterResizable($el, scope, gridster, item, itemOptions) {
+				function ResizeHandle(handleClass) {
 
-			function ResizeHandle(handleClass) {
+					var hClass = handleClass;
 
-				var hClass = handleClass;
+					var elmX, elmY, elmW, elmH,
 
-				var elmX, elmY, elmW, elmH,
+						mouseX = 0,
+						mouseY = 0,
+						lastMouseX = 0,
+						lastMouseY = 0,
+						mOffX = 0,
+						mOffY = 0,
 
-					mouseX = 0,
-					mouseY = 0,
-					lastMouseX = 0,
-					lastMouseY = 0,
-					mOffX = 0,
-					mOffY = 0,
+						minTop = 0,
+						/**
+						 * Maximum value for height/top
+						 */
+						maxTop = 999999,
+						minLeft = 0;
 
-					minTop = 0,
-					maxTop = 9999,
-					minLeft = 0;
+					var getMinHeight = function() {
+						return (item.minSizeY ? item.minSizeY : 1) * gridster.curRowHeight - gridster.margins[0];
+					};
+					var getMinWidth = function() {
+						return (item.minSizeX ? item.minSizeX : 1) * gridster.curColWidth - gridster.margins[1];
+					};
 
-				var getMinHeight = function() {
-					return (item.minSizeY ? item.minSizeY : 1) * gridster.curRowHeight - gridster.margins[0];
-				};
-				var getMinWidth = function() {
-					return (item.minSizeX ? item.minSizeX : 1) * gridster.curColWidth - gridster.margins[1];
-				};
+					var originalWidth, originalHeight;
+					var savedDraggable;
 
-				var originalWidth, originalHeight;
-				var savedDraggable;
+					function resizeStart(e) {
+						$el.addClass('gridster-item-moving');
+						$el.addClass('gridster-item-resizing');
 
-				function resizeStart(e) {
-					$el.addClass('gridster-item-moving');
-					$el.addClass('gridster-item-resizing');
+						gridster.movingItem = item;
 
-					gridster.movingItem = item;
+						item.setElementSizeX();
+						item.setElementSizeY();
+						item.setElementPosition();
+						gridster.updateHeight(1);
+
+						scope.$apply(function() {
+							// callback
+							if (gridster.resizable && gridster.resizable.start) {
+								gridster.resizable.start(e, $el, itemOptions, item); // options is the item model
+							}
+						});
+					}
 
-					item.setElementSizeX();
-					item.setElementSizeY();
-					item.setElementPosition();
-					gridster.updateHeight(1);
+					function resize(e) {
+						var oldRow = item.row,
+							oldCol = item.col,
+							oldSizeX = item.sizeX,
+							oldSizeY = item.sizeY,
+							hasCallback = gridster.resizable && gridster.resizable.resize;
 
-					scope.$apply(function() {
-						// callback
-						if (gridster.resizable && gridster.resizable.start) {
-							gridster.resizable.start(e, $el, itemOptions, item); // options is the item model
+						var col = item.col;
+						// only change column if grabbing left edge
+						if (['w', 'nw', 'sw'].indexOf(handleClass) !== -1) {
+							col = gridster.pixelsToColumns(elmX, false);
 						}
-					});
-				}
 
-				function resize(e) {
-					var oldRow = item.row,
-						oldCol = item.col,
-						oldSizeX = item.sizeX,
-						oldSizeY = item.sizeY,
-						hasCallback = gridster.resizable && gridster.resizable.resize;
+						var row = item.row;
+						// only change row if grabbing top edge
+						if (['n', 'ne', 'nw'].indexOf(handleClass) !== -1) {
+							row = gridster.pixelsToRows(elmY, false);
+						}
 
-					var col = item.col;
-					// only change column if grabbing left edge
-					if (['w', 'nw', 'sw'].indexOf(handleClass) !== -1) {
-						col = gridster.pixelsToColumns(elmX, false);
-					}
+						var sizeX = item.sizeX;
+						// only change row if grabbing left or right edge
+						if (['n', 's'].indexOf(handleClass) === -1) {
+							sizeX = gridster.pixelsToColumns(elmW, true);
+						}
 
-					var row = item.row;
-					// only change row if grabbing top edge
-					if (['n', 'ne', 'nw'].indexOf(handleClass) !== -1) {
-						row = gridster.pixelsToRows(elmY, false);
-					}
+						var sizeY = item.sizeY;
+						// only change row if grabbing top or bottom edge
+						if (['e', 'w'].indexOf(handleClass) === -1) {
+							sizeY = gridster.pixelsToRows(elmH, true);
+						}
 
-					var sizeX = item.sizeX;
-					// only change row if grabbing left or right edge
-					if (['n', 's'].indexOf(handleClass) === -1) {
-						sizeX = gridster.pixelsToColumns(elmW, true);
-					}
 
-					var sizeY = item.sizeY;
-					// only change row if grabbing top or bottom edge
-					if (['e', 'w'].indexOf(handleClass) === -1) {
-						sizeY = gridster.pixelsToRows(elmH, true);
+						var canOccupy = row > -1 && col > -1 && sizeX + col <= gridster.columns && sizeY + row <= gridster.maxRows;
+						if (canOccupy && (gridster.pushing !== false || gridster.getItems(row, col, sizeX, sizeY, item).length === 0)) {
+							item.row = row;
+							item.col = col;
+							item.sizeX = sizeX;
+							item.sizeY = sizeY;
+						}
+						var isChanged = item.row !== oldRow || item.col !== oldCol || item.sizeX !== oldSizeX || item.sizeY !== oldSizeY;
+
+						if (hasCallback || isChanged) {
+							scope.$apply(function() {
+								if (hasCallback) {
+									gridster.resizable.resize(e, $el, itemOptions, item); // options is the item model
+								}
+							});
+						}
 					}
 
+					function resizeStop(e) {
+						$el.removeClass('gridster-item-moving');
+						$el.removeClass('gridster-item-resizing');
 
-					var canOccupy = row > -1 && col > -1 && sizeX + col <= gridster.columns && sizeY + row <= gridster.maxRows;
-					if (canOccupy && (gridster.pushing !== false || gridster.getItems(row, col, sizeX, sizeY, item).length === 0)) {
-						item.row = row;
-						item.col = col;
-						item.sizeX = sizeX;
-						item.sizeY = sizeY;
-					}
-					var isChanged = item.row !== oldRow || item.col !== oldCol || item.sizeX !== oldSizeX || item.sizeY !== oldSizeY;
+						gridster.movingItem = null;
+
+						item.setPosition(item.row, item.col);
+						item.setSizeY(item.sizeY);
+						item.setSizeX(item.sizeX);
 
-					if (hasCallback || isChanged) {
 						scope.$apply(function() {
-							if (hasCallback) {
-								gridster.resizable.resize(e, $el, itemOptions, item); // options is the item model
+							if (gridster.resizable && gridster.resizable.stop) {
+								gridster.resizable.stop(e, $el, itemOptions, item); // options is the item model
 							}
 						});
 					}
-				}
-
-				function resizeStop(e) {
-					$el.removeClass('gridster-item-moving');
-					$el.removeClass('gridster-item-resizing');
-
-					gridster.movingItem = null;
 
-					item.setPosition(item.row, item.col);
-					item.setSizeY(item.sizeY);
-					item.setSizeX(item.sizeX);
-
-					scope.$apply(function() {
-						if (gridster.resizable && gridster.resizable.stop) {
-							gridster.resizable.stop(e, $el, itemOptions, item); // options is the item model
+					function mouseDown(e) {
+						switch (e.which) {
+							case 1:
+								// left mouse button
+								break;
+							case 2:
+							case 3:
+								// right or middle mouse button
+								return;
 						}
-					});
-				}
 
-				function mouseDown(e) {
-					switch (e.which) {
-						case 1:
-							// left mouse button
-							break;
-						case 2:
-						case 3:
-							// right or middle mouse button
-							return;
-					}
-
-					// save the draggable setting to restore after resize
-					savedDraggable = gridster.draggable.enabled;
-					if (savedDraggable) {
-						gridster.draggable.enabled = false;
-						scope.$broadcast('gridster-draggable-changed', gridster);
-					}
+						// save the draggable setting to restore after resize
+						savedDraggable = gridster.draggable.enabled;
+						if (savedDraggable) {
+							gridster.draggable.enabled = false;
+							scope.$broadcast('gridster-draggable-changed', gridster);
+						}
 
-					// Get the current mouse position.
-					lastMouseX = e.pageX;
-					lastMouseY = e.pageY;
+						// Get the current mouse position.
+						lastMouseX = e.pageX;
+						lastMouseY = e.pageY;
 
-					// Record current widget dimensions
-					elmX = parseInt($el.css('left'), 10);
-					elmY = parseInt($el.css('top'), 10);
-					elmW = $el[0].offsetWidth;
-					elmH = $el[0].offsetHeight;
+						// Record current widget dimensions
+						elmX = parseInt($el.css('left'), 10);
+						elmY = parseInt($el.css('top'), 10);
+						elmW = $el[0].offsetWidth;
+						elmH = $el[0].offsetHeight;
 
-					originalWidth = item.sizeX;
-					originalHeight = item.sizeY;
+						originalWidth = item.sizeX;
+						originalHeight = item.sizeY;
 
-					resizeStart(e);
+						resizeStart(e);
 
-					return true;
-				}
+						return true;
+					}
 
-				function mouseMove(e) {
-					var maxLeft = gridster.curWidth - 1;
+					function mouseMove(e) {
+						var maxLeft = gridster.curWidth - 1;
 
-					// Get the current mouse position.
-					mouseX = e.pageX;
-					mouseY = e.pageY;
+						// Get the current mouse position.
+						mouseX = e.pageX;
+						mouseY = e.pageY;
 
-					// Get the deltas
-					var diffX = mouseX - lastMouseX + mOffX;
-					var diffY = mouseY - lastMouseY + mOffY;
-					mOffX = mOffY = 0;
+						// Get the deltas
+						var diffX = mouseX - lastMouseX + mOffX;
+						var diffY = mouseY - lastMouseY + mOffY;
+						mOffX = mOffY = 0;
 
-					// Update last processed mouse positions.
-					lastMouseX = mouseX;
-					lastMouseY = mouseY;
+						// Update last processed mouse positions.
+						lastMouseX = mouseX;
+						lastMouseY = mouseY;
 
-					var dY = diffY,
-						dX = diffX;
+						var dY = diffY,
+							dX = diffX;
 
-					if (hClass.indexOf('n') >= 0) {
-						if (elmH - dY < getMinHeight()) {
-							diffY = elmH - getMinHeight();
-							mOffY = dY - diffY;
-						} else if (elmY + dY < minTop) {
-							diffY = minTop - elmY;
-							mOffY = dY - diffY;
+						if (hClass.indexOf('n') >= 0) {
+							if (elmH - dY < getMinHeight()) {
+								diffY = elmH - getMinHeight();
+								mOffY = dY - diffY;
+							} else if (elmY + dY < minTop) {
+								diffY = minTop - elmY;
+								mOffY = dY - diffY;
+							}
+							elmY += diffY;
+							elmH -= diffY;
 						}
-						elmY += diffY;
-						elmH -= diffY;
-					}
-					if (hClass.indexOf('s') >= 0) {
-						if (elmH + dY < getMinHeight()) {
-							diffY = getMinHeight() - elmH;
-							mOffY = dY - diffY;
-						} else if (elmY + elmH + dY > maxTop) {
-							diffY = maxTop - elmY - elmH;
-							mOffY = dY - diffY;
+						if (hClass.indexOf('s') >= 0) {
+							if (elmH + dY < getMinHeight()) {
+								diffY = getMinHeight() - elmH;
+								mOffY = dY - diffY;
+							} else if (elmY + elmH + dY > maxTop) {
+								diffY = maxTop - elmY - elmH;
+								mOffY = dY - diffY;
+							}
+							elmH += diffY;
 						}
-						elmH += diffY;
-					}
-					if (hClass.indexOf('w') >= 0) {
-						if (elmW - dX < getMinWidth()) {
-							diffX = elmW - getMinWidth();
-							mOffX = dX - diffX;
-						} else if (elmX + dX < minLeft) {
-							diffX = minLeft - elmX;
-							mOffX = dX - diffX;
+						if (hClass.indexOf('w') >= 0) {
+							if (elmW - dX < getMinWidth()) {
+								diffX = elmW - getMinWidth();
+								mOffX = dX - diffX;
+							} else if (elmX + dX < minLeft) {
+								diffX = minLeft - elmX;
+								mOffX = dX - diffX;
+							}
+							elmX += diffX;
+							elmW -= diffX;
 						}
-						elmX += diffX;
-						elmW -= diffX;
-					}
-					if (hClass.indexOf('e') >= 0) {
-						if (elmW + dX < getMinWidth()) {
-							diffX = getMinWidth() - elmW;
-							mOffX = dX - diffX;
-						} else if (elmX + elmW + dX > maxLeft) {
-							diffX = maxLeft - elmX - elmW;
-							mOffX = dX - diffX;
+						if (hClass.indexOf('e') >= 0) {
+							if (elmW + dX < getMinWidth()) {
+								diffX = getMinWidth() - elmW;
+								mOffX = dX - diffX;
+							} else if (elmX + elmW + dX > maxLeft) {
+								diffX = maxLeft - elmX - elmW;
+								mOffX = dX - diffX;
+							}
+							elmW += diffX;
 						}
-						elmW += diffX;
+
+						// set new position
+						$el.css({
+							'top': elmY + 'px',
+							'left': elmX + 'px',
+							'width': elmW + 'px',
+							'height': elmH + 'px'
+						});
+
+						resize(e);
+
+						return true;
 					}
 
-					// set new position
-					$el.css({
-						'top': elmY + 'px',
-						'left': elmX + 'px',
-						'width': elmW + 'px',
-						'height': elmH + 'px'
-					});
+					function mouseUp(e) {
+						// restore draggable setting to its original state
+						if (gridster.draggable.enabled !== savedDraggable) {
+							gridster.draggable.enabled = savedDraggable;
+							scope.$broadcast('gridster-draggable-changed', gridster);
+						}
 
-					resize(e);
+						mOffX = mOffY = 0;
 
-					return true;
-				}
+						resizeStop(e);
 
-				function mouseUp(e) {
-					// restore draggable setting to its original state
-					if (gridster.draggable.enabled !== savedDraggable) {
-						gridster.draggable.enabled = savedDraggable;
-						scope.$broadcast('gridster-draggable-changed', gridster);
+						return true;
 					}
 
-					mOffX = mOffY = 0;
+					var $dragHandle = null;
+					var unifiedInput;
+
+					this.enable = function() {
+						if (!$dragHandle) {
+							$dragHandle = angular.element('<div class="gridster-item-resizable-handler handle-' + hClass + '"></div>');
+							$el.append($dragHandle);
+						}
+
+						unifiedInput = new GridsterTouch($dragHandle[0], mouseDown, mouseMove, mouseUp);
+						unifiedInput.enable();
+					};
+
+					this.disable = function() {
+						if ($dragHandle) {
+							$dragHandle.remove();
+							$dragHandle = null;
+						}
+
+						unifiedInput.disable();
+						unifiedInput = undefined;
+					};
 
-					resizeStop(e);
+					this.destroy = function() {
+						this.disable();
+					};
+				}
 
-					return true;
+				var handles = [];
+				var handlesOpts = gridster.resizable.handles;
+				if (typeof handlesOpts === 'string') {
+					handlesOpts = gridster.resizable.handles.split(',');
 				}
+				var enabled = false;
 
-				var $dragHandle = null;
-				var unifiedInput;
+				for (var c = 0, l = handlesOpts.length; c < l; c++) {
+					handles.push(new ResizeHandle(handlesOpts[c]));
+				}
 
 				this.enable = function() {
-					if (!$dragHandle) {
-						$dragHandle = angular.element('<div class="gridster-item-resizable-handler handle-' + hClass + '"></div>');
-						$el.append($dragHandle);
+					if (enabled) {
+						return;
 					}
-
-					unifiedInput = new GridsterTouch($dragHandle[0], mouseDown, mouseMove, mouseUp);
-					unifiedInput.enable();
+					for (var c = 0, l = handles.length; c < l; c++) {
+						handles[c].enable();
+					}
+					enabled = true;
 				};
 
 				this.disable = function() {
-					if ($dragHandle) {
-						$dragHandle.remove();
-						$dragHandle = null;
+					if (!enabled) {
+						return;
 					}
+					for (var c = 0, l = handles.length; c < l; c++) {
+						handles[c].disable();
+					}
+					enabled = false;
+				};
 
-					unifiedInput.disable();
-					unifiedInput = undefined;
+				this.toggle = function(enabled) {
+					if (enabled) {
+						this.enable();
+					} else {
+						this.disable();
+					}
 				};
 
 				this.destroy = function() {
-					this.disable();
+					for (var c = 0, l = handles.length; c < l; c++) {
+						handles[c].destroy();
+					}
 				};
 			}
-
-			var handles = [];
-			var handlesOpts = gridster.resizable.handles;
-			if (typeof handlesOpts === 'string') {
-				handlesOpts = gridster.resizable.handles.split(',');
-			}
-			var enabled = false;
-
-			for (var c = 0, l = handlesOpts.length; c < l; c++) {
-				handles.push(new ResizeHandle(handlesOpts[c]));
-			}
-
-			this.enable = function() {
-				if (enabled) {
-					return;
-				}
-				for (var c = 0, l = handles.length; c < l; c++) {
-					handles[c].enable();
-				}
-				enabled = true;
-			};
-
-			this.disable = function() {
-				if (!enabled) {
-					return;
-				}
-				for (var c = 0, l = handles.length; c < l; c++) {
-					handles[c].disable();
-				}
-				enabled = false;
-			};
-
-			this.toggle = function(enabled) {
-				if (enabled) {
-					this.enable();
-				} else {
-					this.disable();
-				}
-			};
-
-			this.destroy = function() {
-				for (var c = 0, l = handles.length; c < l; c++) {
-					handles[c].destroy();
-				}
-			};
-		}
-		return GridsterResizable;
-	}])
-
-	.factory('gridsterDebounce', function() {
-		return function gridsterDebounce(func, wait, immediate) {
-			var timeout;
-			return function() {
-				var context = this,
-					args = arguments;
-				var later = function() {
-					timeout = null;
-					if (!immediate) {
+			return GridsterResizable;
+		}])
+
+		.factory('gridsterDebounce', function() {
+			return function gridsterDebounce(func, wait, immediate) {
+				var timeout;
+				return function() {
+					var context = this,
+						args = arguments;
+					var later = function() {
+						timeout = null;
+						if (!immediate) {
+							func.apply(context, args);
+						}
+					};
+					var callNow = immediate && !timeout;
+					clearTimeout(timeout);
+					timeout = setTimeout(later, wait);
+					if (callNow) {
 						func.apply(context, args);
 					}
 				};
-				var callNow = immediate && !timeout;
-				clearTimeout(timeout);
-				timeout = setTimeout(later, wait);
-				if (callNow) {
-					func.apply(context, args);
-				}
 			};
-		};
-	})
-
-	/**
-	 * GridsterItem directive
-	 * @param $parse
-	 * @param GridsterDraggable
-	 * @param GridsterResizable
-	 * @param gridsterDebounce
-	 */
-	.directive('gridsterItem', ['$parse', 'GridsterDraggable', 'GridsterResizable', 'gridsterDebounce',
-		function($parse, GridsterDraggable, GridsterResizable, gridsterDebounce) {
-			return {
-				scope: true,
-				restrict: 'EA',
-				controller: 'GridsterItemCtrl',
-				controllerAs: 'gridsterItem',
-				require: ['^gridster', 'gridsterItem'],
-				link: function(scope, $el, attrs, controllers) {
-					var optionsKey = attrs.gridsterItem,
-						options;
-
-					var gridster = controllers[0],
-						item = controllers[1];
-
-					scope.gridster = gridster;
-
-					// bind the item's position properties
-					// options can be an object specified by gridster-item="object"
-					// or the options can be the element html attributes object
-					if (optionsKey) {
-						var $optionsGetter = $parse(optionsKey);
-						options = $optionsGetter(scope) || {};
-						if (!options && $optionsGetter.assign) {
-							options = {
-								row: item.row,
-								col: item.col,
-								sizeX: item.sizeX,
-								sizeY: item.sizeY,
-								minSizeX: 0,
-								minSizeY: 0,
-								maxSizeX: null,
-								maxSizeY: null
-							};
-							$optionsGetter.assign(scope, options);
-						}
-					} else {
-						options = attrs;
-					}
-
-					item.init($el, gridster);
+		})
 
-					$el.addClass('gridster-item');
+		/**
+		 * GridsterItem directive
+		 * @param $parse
+		 * @param GridsterDraggable
+		 * @param GridsterResizable
+		 * @param gridsterDebounce
+		 */
+		.directive('gridsterItem', ['$parse', 'GridsterDraggable', 'GridsterResizable', 'gridsterDebounce',
+			function($parse, GridsterDraggable, GridsterResizable, gridsterDebounce) {
+				return {
+					scope: true,
+					restrict: 'EA',
+					controller: 'GridsterItemCtrl',
+					controllerAs: 'gridsterItem',
+					require: ['^gridster', 'gridsterItem'],
+					link: function(scope, $el, attrs, controllers) {
+						var optionsKey = attrs.gridsterItem,
+							options;
+
+						var gridster = controllers[0],
+							item = controllers[1];
 
-					var aspects = ['minSizeX', 'maxSizeX', 'minSizeY', 'maxSizeY', 'sizeX', 'sizeY', 'row', 'col'],
-						$getters = {};
+						scope.gridster = gridster;
 
-					var expressions = [];
-					var aspectFn = function(aspect) {
-						var expression;
-						if (typeof options[aspect] === 'string') {
-							// watch the expression in the scope
-							expression = options[aspect];
-						} else if (typeof options[aspect.toLowerCase()] === 'string') {
-							// watch the expression in the scope
-							expression = options[aspect.toLowerCase()];
-						} else if (optionsKey) {
-							// watch the expression on the options object in the scope
-							expression = optionsKey + '.' + aspect;
+						// bind the item's position properties
+						// options can be an object specified by gridster-item="object"
+						// or the options can be the element html attributes object
+						if (optionsKey) {
+							var $optionsGetter = $parse(optionsKey);
+							options = $optionsGetter(scope) || {};
+							if (!options && $optionsGetter.assign) {
+								options = {
+									row: item.row,
+									col: item.col,
+									sizeX: item.sizeX,
+									sizeY: item.sizeY,
+									minSizeX: 0,
+									minSizeY: 0,
+									maxSizeX: null,
+									maxSizeY: null
+								};
+								$optionsGetter.assign(scope, options);
+							}
 						} else {
-							return;
-						}
-						expressions.push('"' + aspect + '":' + expression);
-						$getters[aspect] = $parse(expression);
-
-						// initial set
-						var val = $getters[aspect](scope);
-						if (typeof val === 'number') {
-							item[aspect] = val;
+							options = attrs;
 						}
-					};
 
-					for (var i = 0, l = aspects.length; i < l; ++i) {
-						aspectFn(aspects[i]);
-					}
-
-					var watchExpressions = '{' + expressions.join(',') + '}';
-					// when the value changes externally, update the internal item object
-					scope.$watchCollection(watchExpressions, function(newVals, oldVals) {
-						for (var aspect in newVals) {
-							var newVal = newVals[aspect];
-							var oldVal = oldVals[aspect];
-							if (oldVal === newVal) {
-								continue;
-							}
-							newVal = parseInt(newVal, 10);
-							if (!isNaN(newVal)) {
-								item[aspect] = newVal;
+						item.init($el, gridster);
+
+						$el.addClass('gridster-item');
+
+						var aspects = ['minSizeX', 'maxSizeX', 'minSizeY', 'maxSizeY', 'sizeX', 'sizeY', 'row', 'col'],
+							$getters = {};
+
+						var expressions = [];
+						var aspectFn = function(aspect) {
+							var expression;
+							if (typeof options[aspect] === 'string') {
+								// watch the expression in the scope
+								expression = options[aspect];
+							} else if (typeof options[aspect.toLowerCase()] === 'string') {
+								// watch the expression in the scope
+								expression = options[aspect.toLowerCase()];
+							} else if (optionsKey) {
+								// watch the expression on the options object in the scope
+								expression = optionsKey + '.' + aspect;
+							} else {
+								return;
 							}
-						}
-					});
+							expressions.push('"' + aspect + '":' + expression);
+							$getters[aspect] = $parse(expression);
 
-					function positionChanged() {
-						// call setPosition so the element and gridster controller are updated
-						item.setPosition(item.row, item.col);
+							// initial set
+							var val = $getters[aspect](scope);
+							if (typeof val === 'number') {
+								item[aspect] = val;
+							}
+						};
 
-						// when internal item position changes, update externally bound values
-						if ($getters.row && $getters.row.assign) {
-							$getters.row.assign(scope, item.row);
+						for (var i = 0, l = aspects.length; i < l; ++i) {
+							aspectFn(aspects[i]);
 						}
-						if ($getters.col && $getters.col.assign) {
-							$getters.col.assign(scope, item.col);
-						}
-					}
-					scope.$watch(function() {
-						return item.row + ',' + item.col;
-					}, positionChanged);
 
-					function sizeChanged() {
-						var changedX = item.setSizeX(item.sizeX, true);
-						if (changedX && $getters.sizeX && $getters.sizeX.assign) {
-							$getters.sizeX.assign(scope, item.sizeX);
-						}
-						var changedY = item.setSizeY(item.sizeY, true);
-						if (changedY && $getters.sizeY && $getters.sizeY.assign) {
-							$getters.sizeY.assign(scope, item.sizeY);
-						}
+						var watchExpressions = '{' + expressions.join(',') + '}';
+						// when the value changes externally, update the internal item object
+						scope.$watchCollection(watchExpressions, function(newVals, oldVals) {
+							for (var aspect in newVals) {
+								var newVal = newVals[aspect];
+								var oldVal = oldVals[aspect];
+								if (oldVal === newVal) {
+									continue;
+								}
+								newVal = parseInt(newVal, 10);
+								if (!isNaN(newVal)) {
+									item[aspect] = newVal;
+								}
+							}
+						});
+
+						function positionChanged() {
+							// call setPosition so the element and gridster controller are updated
+							item.setPosition(item.row, item.col);
 
-						if (changedX || changedY) {
-							item.gridster.moveOverlappingItems(item);
-							gridster.layoutChanged();
-							scope.$broadcast('gridster-item-resized', item);
+							// when internal item position changes, update externally bound values
+							if ($getters.row && $getters.row.assign) {
+								$getters.row.assign(scope, item.row);
+							}
+							if ($getters.col && $getters.col.assign) {
+								$getters.col.assign(scope, item.col);
+							}
 						}
-					}
+						scope.$watch(function() {
+							return item.row + ',' + item.col;
+						}, positionChanged);
 
-					scope.$watch(function() {
-						return item.sizeY + ',' + item.sizeX + ',' + item.minSizeX + ',' + item.maxSizeX + ',' + item.minSizeY + ',' + item.maxSizeY;
-					}, sizeChanged);
+						function sizeChanged() {
+							var changedX = item.setSizeX(item.sizeX, true);
+							if (changedX && $getters.sizeX && $getters.sizeX.assign) {
+								$getters.sizeX.assign(scope, item.sizeX);
+							}
+							var changedY = item.setSizeY(item.sizeY, true);
+							if (changedY && $getters.sizeY && $getters.sizeY.assign) {
+								$getters.sizeY.assign(scope, item.sizeY);
+							}
 
-					var draggable = new GridsterDraggable($el, scope, gridster, item, options);
-					var resizable = new GridsterResizable($el, scope, gridster, item, options);
+							if (changedX || changedY) {
+								item.gridster.moveOverlappingItems(item);
+								gridster.layoutChanged();
+								scope.$broadcast('gridster-item-resized', item);
+							}
+						}
 
-					var updateResizable = function() {
-						resizable.toggle(!gridster.isMobile && gridster.resizable && gridster.resizable.enabled);
-					};
-					updateResizable();
+						scope.$watch(function() {
+							return item.sizeY + ',' + item.sizeX + ',' + item.minSizeX + ',' + item.maxSizeX + ',' + item.minSizeY + ',' + item.maxSizeY;
+						}, sizeChanged);
 
-					var updateDraggable = function() {
-						draggable.toggle(!gridster.isMobile && gridster.draggable && gridster.draggable.enabled);
-					};
-					updateDraggable();
+						var draggable = new GridsterDraggable($el, scope, gridster, item, options);
+						var resizable = new GridsterResizable($el, scope, gridster, item, options);
 
-					scope.$on('gridster-draggable-changed', updateDraggable);
-					scope.$on('gridster-resizable-changed', updateResizable);
-					scope.$on('gridster-resized', updateResizable);
-					scope.$on('gridster-mobile-changed', function() {
+						var updateResizable = function() {
+							resizable.toggle(!gridster.isMobile && gridster.resizable && gridster.resizable.enabled);
+						};
 						updateResizable();
-						updateDraggable();
-					});
 
-					function whichTransitionEvent() {
-						var el = document.createElement('div');
-						var transitions = {
-							'transition': 'transitionend',
-							'OTransition': 'oTransitionEnd',
-							'MozTransition': 'transitionend',
-							'WebkitTransition': 'webkitTransitionEnd'
+						var updateDraggable = function() {
+							draggable.toggle(!gridster.isMobile && gridster.draggable && gridster.draggable.enabled);
 						};
-						for (var t in transitions) {
-							if (el.style[t] !== undefined) {
-								return transitions[t];
+						updateDraggable();
+
+						scope.$on('gridster-draggable-changed', updateDraggable);
+						scope.$on('gridster-resizable-changed', updateResizable);
+						scope.$on('gridster-resized', updateResizable);
+						scope.$on('gridster-mobile-changed', function() {
+							updateResizable();
+							updateDraggable();
+						});
+
+						function whichTransitionEvent() {
+							var el = document.createElement('div');
+							var transitions = {
+								'transition': 'transitionend',
+								'OTransition': 'oTransitionEnd',
+								'MozTransition': 'transitionend',
+								'WebkitTransition': 'webkitTransitionEnd'
+							};
+							for (var t in transitions) {
+								if (el.style[t] !== undefined) {
+									return transitions[t];
+								}
 							}
 						}
-					}
 
-					var debouncedTransitionEndPublisher = gridsterDebounce(function() {
-						scope.$apply(function() {
-							scope.$broadcast('gridster-item-transition-end', item);
-						});
-					}, 50);
+						var debouncedTransitionEndPublisher = gridsterDebounce(function() {
+							scope.$apply(function() {
+								scope.$broadcast('gridster-item-transition-end', item);
+							});
+						}, 50);
 
-					$el.on(whichTransitionEvent(), debouncedTransitionEndPublisher);
+						$el.on(whichTransitionEvent(), debouncedTransitionEndPublisher);
 
-					scope.$broadcast('gridster-item-initialized', item);
+						scope.$broadcast('gridster-item-initialized', item);
 
-					return scope.$on('$destroy', function() {
-						try {
-							resizable.destroy();
-							draggable.destroy();
-						} catch (e) {}
+						return scope.$on('$destroy', function() {
+							try {
+								resizable.destroy();
+								draggable.destroy();
+							} catch (e) {}
 
-						try {
-							gridster.removeItem(item);
-						} catch (e) {}
+							try {
+								gridster.removeItem(item);
+							} catch (e) {}
 
-						try {
-							item.destroy();
-						} catch (e) {}
-					});
+							try {
+								item.destroy();
+							} catch (e) {}
+						});
+					}
+				};
+			}
+		])
+
+		.directive('gridsterNoDrag', function() {
+			return {
+				restrict: 'A',
+				link: function(scope, $element) {
+					$element.addClass('gridster-no-drag');
 				}
 			};
-		}
-	])
-
-	.directive('gridsterNoDrag', function() {
-		return {
-			restrict: 'A',
-			link: function(scope, $element) {
-				$element.addClass('gridster-no-drag');
-			}
-		};
-	})
+		})
 
 	;