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1		/*
2		*******************************************************************************
3		* Copyright (c) 2005 Chris Rose and AIMedia
4		* All rights reserved. CancelAction and the accompanying materials
5		* are made available under the terms of the Common Public License v1.0
6		* which accompanies this distribution, and is available at
7		* http://www.eclipse.org/legal/cpl-v10.html
8		*
9		* Contributors:
10		* Chris Rose
11		*******************************************************************************/
12		package com.aimedia.ui;
13
14		import java.awt.event.*;
15
16		import javax.swing.*;
17
18		import org.apache.log4j.Logger;
19
20		/**
21		* Generic Action implementation for cancelling a UI action.
22		* @author Chris Rose
23		*/
24		public class CancelAction extends AbstractAction {
25		/**
26		* Logger for this class
27		*/
28	0	private static final Logger logger = Logger.getLogger(CancelAction.class);
29
30		private ICancellable target;
31
32		/**
33		* Create a new cancel action handling the supplied target.
34		* @param target the <code>ICancellable</code> that will receive the cancel
35		* action
36		*/
37		public CancelAction(ICancellable target) {
38	0	super("Cancel");
39	0	putValue(MNEMONIC_KEY, new Integer(KeyEvent.VK_C));
40	0	if (null == target) {
41	0	throw new IllegalArgumentException("Must have a non-null target");
42		}
43	0	this.target = target;
44	0	putValue(ACCELERATOR_KEY, KeyStroke.getKeyStroke(KeyEvent.VK_C, InputEvent.CTRL_DOWN_MASK));
45	0	}
46
47		/* (non-Javadoc)
48		* @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
49		*/
50		public void actionPerformed(ActionEvent e) {
51	0	if (logger.isDebugEnabled()) {
52	0	logger.debug("actionPerformed() - doCancel invoked on " + target.getClass().getName());
53		}
54
55	0	target.doCancel();
56	0	}
57
58		}

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