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<  * @(#)TextTool.java 5.2
---
>  * @(#)TextTool.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.util.UndoableAdapter;
> import CH.ifa.draw.util.Undoable;
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< import java.awt.*;
---
> import java.awt.*;
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> import java.util.Vector;
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< import java.awt.event.*;
---
> import java.awt.event.*;
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>  *
>  * @version <$CURRENT_VERSION$>
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> 		}
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< 
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< 	        editor().toolDone();
---
> 			editor().toolDone();
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> 			// update view so the created figure is drawn before the floating text
> 			// figure is overlaid. (Note, fDamage should be null in StandardDrawingView
> 			// when the overlay figure is drawn because a JTextField cannot be scrolled)
> 			view().checkDamage();
> 			textHolder = (TextHolder)getCreatedFigure();
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<     	    textHolder = (TextHolder)createdFigure();
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<         if (fTextField == null)
---
> 		if (fTextField == null) {
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< 	    if (figure != getTypingTarget() && getTypingTarget() != null)
---
> 		if (figure != getTypingTarget() && getTypingTarget() != null) {
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> 		}
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< 	    setTypingTarget(figure);
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> 		setTypingTarget(figure);
> 		setUndoActivity(createUndoActivity());
> System.out.println("UndoActivity (1): " + getUndoActivity());
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< 	    view().checkDamage();
---
> //	        view().checkDamage();
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< 	        if (fTextField.getText().length() > 0)
---
> 			if (fTextField.getText().length() > 0) {
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> 			}
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> 				drawing().orphan((Figure)getAddedFigure());
> 
> 				// nothing to undo
> //	            setUndoActivity(null);
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< 	            drawing().remove((Figure)getTypingTarget());
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> 
> 			// put created figure into a figure enumeration
> System.out.println("UndoActivity (2): " + getUndoActivity());
> 			getUndoActivity().setAffectedFigures(
> 				new SingleFigureEnumerator(getAddedFigure()));
> 			((TextTool.UndoActivity)getUndoActivity()).setBackupText(
> 				getTypingTarget().getText());
> 
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< 	        view().checkDamage();
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> //System.out.println("fieldBounds: " + box.x + " .. " + box.y + " -- " + d.width +" .. "+  d.height);
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> 
> 	/**
> 	 * Factory method for undo activity
> 	 */
> 	protected Undoable createUndoActivity() {
> 		return new TextTool.UndoActivity(view(), getTypingTarget().getText());
> 	}
> 
> 	public static class UndoActivity extends UndoableAdapter {
> 		private String myOriginalText;
> 		private String myBackupText;
> 		
> 		public UndoActivity(DrawingView newDrawingView, String newOriginalText) {
> 			super(newDrawingView);
> 			setOriginalText(newOriginalText);
> 			setUndoable(true);
> 			setRedoable(true);
> 		}
> 
> 		/*
> 		 * Undo the activity
> 		 * @return true if the activity could be undone, false otherwise
> 		 */
> 		public boolean undo() {
> 			if (!super.undo()) {
> 				return false;
> 			}
> 
> 			getDrawingView().clearSelection();
> 
> 			if (!isValidText(getOriginalText())) {
> 				FigureEnumeration fe  = getAffectedFigures();
> 				while (fe.hasMoreElements()) {
> 					getDrawingView().drawing().orphan(fe.nextFigure());
> 				}
> 			}
> 			// add text figure if it has been removed (no backup text)
> 			else if (!isValidText(getBackupText())) {
> 				FigureEnumeration fe  = getAffectedFigures();
> 				while (fe.hasMoreElements()) {
> 					getDrawingView().add(fe.nextFigure());
> 				}
> 				setText(getOriginalText());
> 			}
> 			else {
> 				setText(getOriginalText());
> 			}
> 			
> 
> 			return true;
> 		}
> 
> 		/*
> 		 * Redo the activity
> 		 * @return true if the activity could be redone, false otherwise
> 		 */
> 		public boolean redo() {
> 			if (!super.redo()) {
> 				return false;
> 			}
> 
> 			getDrawingView().clearSelection();
> 				
> 			// the text figure did exist but was remove
> 			if (!isValidText(getBackupText())) {
> 				FigureEnumeration fe  = getAffectedFigures();
> 				while (fe.hasMoreElements()) {
> 					getDrawingView().drawing().orphan(fe.nextFigure());
> 				}
> 			}
> 			// the text figure didn't exist before
> 			else if (!isValidText(getOriginalText())) {
> 				FigureEnumeration fe  = getAffectedFigures();
> 				while (fe.hasMoreElements()) {
> 					getDrawingView().drawing().add(fe.nextFigure());
> 					setText(getBackupText());
> 				}
> 			}
> 			else {
> 				setText(getBackupText());
> 			}
> 
> 			return true;
> 		}
> 		
> 		protected boolean isValidText(String toBeChecked) {
> 			return ((toBeChecked != null) && (toBeChecked.length() > 0));
> 		}
> 		
> 		protected void setText(String newText) {
> 			FigureEnumeration fe = getAffectedFigures();
> 			while (fe.hasMoreElements()) {
> 				Figure currentFigure = fe.nextFigure();
> 				if (currentFigure instanceof DecoratorFigure) {
> 					currentFigure = ((DecoratorFigure)currentFigure).getDecoratedFigure();
> 				}
> 				if (currentFigure instanceof TextHolder) {
> 					((TextHolder)currentFigure).setText(newText);
> 				}
> 			}
> 		}
> 		
> 		public void setBackupText(String newBackupText) {
> 			myBackupText = newBackupText;
> 		}
> 		
> 		public String getBackupText() {
> 			return myBackupText;
> 		}
> 		
> 		public void setOriginalText(String newOriginalText) {
> 			myOriginalText = newOriginalText;
> 		}
> 		
> 		public String getOriginalText() {
> 			return myOriginalText;
> 		}
> 	}