26,26c26,26
< 	private String      fAttribute;
---
> 	private FigureAttributeConstant fAttribute;
32,32c32,32
< 	 * @param attributeName the name of the attribute to be changed
---
> 	 * @param attribute the attribute to be changed
36,36c36,36
< 	public ChangeAttributeCommand(String name, String attributeName,
---
> 	public ChangeAttributeCommand(String name, FigureAttributeConstant attribute,
39,39c39,39
< 		fAttribute = attributeName;
---
> 		fAttribute = attribute;
67,67c66,66
< 		private String      myUndoAttribute;
---
> 		private FigureAttributeConstant myUndoAttribute;
70,70c70,70
< 		public UndoActivity(DrawingView newDrawingView, String newUndoAttribute, Object newUndoValue) {
---
> 		public UndoActivity(DrawingView newDrawingView, FigureAttributeConstant newUndoAttribute, Object newUndoValue) {
73,73c73,73
< 			setAttributeName(newUndoAttribute);
---
> 			setAttribute(newUndoAttribute);
88,88c88,88
< 					f.setAttribute(getAttributeName(), getOriginalValue(f));
---
> 					f.setAttribute(getAttribute(), getOriginalValue(f));
104,104c104,104
< 					f.setAttribute(getAttributeName(), getBackupValue());
---
> 					f.setAttribute(getAttribute(), getBackupValue());
119,119c119,119
< 		protected void setAttributeName(String newUndoAttribute) {
---
> 		protected void setAttribute(FigureAttributeConstant newUndoAttribute) {
122a123,123
> 		public FigureAttributeConstant getAttribute() {
123,123d122
< 		public String getAttributeName() {
147,147c147,147
< 				Object attributeValue = f.getAttribute(getAttributeName());
---
> 				Object attributeValue = f.getAttribute(getAttribute());