01: /*
02: * Copyright (c) 2002-2007 JGoodies Karsten Lentzsch. All Rights Reserved.
03: *
04: * Redistribution and use in source and binary forms, with or without
05: * modification, are permitted provided that the following conditions are met:
06: *
07: * o Redistributions of source code must retain the above copyright notice,
08: * this list of conditions and the following disclaimer.
09: *
10: * o Redistributions in binary form must reproduce the above copyright notice,
11: * this list of conditions and the following disclaimer in the documentation
12: * and/or other materials provided with the distribution.
13: *
14: * o Neither the name of JGoodies Karsten Lentzsch nor the names of
15: * its contributors may be used to endorse or promote products derived
16: * from this software without specific prior written permission.
17: *
18: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20: * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
22: * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
25: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
27: * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
28: * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29: */
30:
31: package com.jgoodies.binding.tests.event;
32:
33: import java.awt.event.ItemEvent;
34: import java.awt.event.ItemListener;
35:
36: /**
37: * An ItemListener that stores the received ItemEvents.
38: *
39: * @author Karsten Lentzsch
40: * @version $Revision: 1.6 $
41: * @see ItemEvent
42: */
43: public final class ItemChangeReport extends
44: AbstractChangeReport<ItemEvent> implements ItemListener {
45:
46: /**
47: * The observed event source has changed the item state.
48: * Adds the event to the list of stored events.
49: *
50: * @param evt the change event to be handled
51: */
52: public void itemStateChanged(ItemEvent evt) {
53: addEvent(evt);
54: if (isLogActive()) {
55: System.out.println("Source:" + evt.getSource());
56: System.out.println("Item: " + evt.getItem());
57: System.out.println("State change: " + evt.getStateChange());
58: }
59: }
60:
61: /**
62: * Returns the state change of the last ItemEvent.
63: *
64: * @return the state change of the last ItemEvent.
65: * @see ItemEvent#getStateChange()
66: */
67: public int lastStateChange() {
68: return getLastEvent().getStateChange();
69: }
70:
71: public boolean isLastStateChangeSelected() {
72: return lastStateChange() == ItemEvent.SELECTED;
73: }
74:
75: public boolean isLastStateChangeDeselected() {
76: return lastStateChange() == ItemEvent.DESELECTED;
77: }
78:
79: }
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