fixed bug in switch coordinates observer: error message was shown when x

or y was no valid integer

de.bmotionstudio.gef.editor/src/de/bmotionstudio/gef/editor/model/BControl.java

@@ -293,10 +293,13 @@ public abstract class BControl implements IAdaptable, Cloneable {
 
 		// TODO: check if strings are a correct integers
 
+		try {
+
 			int width = Integer.valueOf(widthStr);
 			int height = Integer.valueOf(heightStr);
 			int x = Integer.valueOf(xStr);
 			int y = Integer.valueOf(yStr);
+
 			if (layout == null) {
 				layout = new Rectangle(x, y, width, height);
 			} else {
@@ -305,6 +308,13 @@ public abstract class BControl implements IAdaptable, Cloneable {
 				layout.width = width;
 				layout.height = height;
 			}
+
+		} catch (NumberFormatException e) {
+			// We ignore number format exceptions, however we should return an
+			// error message here
+			// TODO: return error message
+		}
+
 		return layout;
 
 	}