provide functions for calculating an element's width and height

Author: Buck Ryan

src/angular-gridster.js

@@ -752,14 +752,22 @@
 			}
 		};
 
+		this.calculateElementHeight = function() {
+			return (this.sizeY * this.gridster.curRowHeight - this.gridster.margins[0]);
+		}
+
+		this.calculateElementWidth = function() {
+			return (this.sizeX * this.gridster.curColWidth - this.gridster.margins[1]);
+		}
+
 		/**
 		 * 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');
+				this.$element.css('height', this.calculateElementHeight() + 'px');
 			}
 		};
 
@@ -770,7 +778,7 @@
 			if (this.gridster.isMobile) {
 				this.$element.css('width', '');
 			} else {
-				this.$element.css('width', (this.sizeX * this.gridster.curColWidth - this.gridster.margins[1]) + 'px');
+				this.$element.css('width', this.calculateElementWidth() + 'px');
 			}
 		};
 	})