2,2c2,2
<  * @(#)AbstractTool.java 5.2
---
>  * @(#)AbstractTool.java
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>  * Project:		JHotdraw - a GUI framework for technical drawings
>  *				http://www.jhotdraw.org
>  *				http://jhotdraw.sourceforge.net
>  * Copyright:	© by the original author(s) and all contributors
>  * License:		Lesser GNU Public License (LGPL)
>  *				http://www.opensource.org/licenses/lgpl-license.html
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< import CH.ifa.draw.framework.*;
---
> import CH.ifa.draw.framework.*;
11a15,15
> import CH.ifa.draw.util.Undoable;
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>  *
>  * @version <$CURRENT_VERSION$>
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< public class AbstractTool implements Tool {
---
> public abstract class AbstractTool implements Tool {
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> 	private Undoable myUndoActivity;
> 	
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<      * Gets the tool's editor.
---
>      * Gets the tool's editor (convenience method).
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> 
> 	public Undoable getUndoActivity() {
> 		return myUndoActivity;
> 	}
> 
> 	public void setUndoActivity(Undoable newUndoActivity) {
> 		myUndoActivity = newUndoActivity;
> 	}