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Java > Open Source Codes > info > monitorenter > gui > chart > events > Trace2DActionSetColor


1 /*
2  * Trace2DActionSetColor, action to set a color on a ITrace2D.
3  * Copyright (C) Achim Westermann, created on 10.12.2004, 13:48:55
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18  *
19  * If you modify or optimize the code in a useful way please let me know.
20  * Achim.Westermann@gmx.de
21  *
22  */
23 package info.monitorenter.gui.chart.events;
24
25 import info.monitorenter.gui.chart.ITrace2D;
26 import info.monitorenter.gui.chart.layout.LayoutFactory.PropertyChangeCheckBoxMenuItem;
27
28 import java.awt.Color JavaDoc;
29 import java.awt.event.ActionEvent JavaDoc;
30 import java.beans.PropertyChangeEvent JavaDoc;
31
32 /**
33  * <code>Action</code> that sets a constructor-given color of the
34  * corresponding trace.
35  * <p>
36  *
37  * @author <a HREF="mailto:Achim.Westermann@gmx.de">Achim Westermann </a>
38  *
39  * @version $Revision: 1.2 $
40  */
41 public final class Trace2DActionSetColor extends ATrace2DAction {
42
43   /**
44    * Generated <code>serialVersionUID</code>.
45    */
46   private static final long serialVersionUID = 3761972665908473913L;
47
48   /** The color to set. */
49   private Color JavaDoc m_color;
50
51   /**
52    * Create an <code>Action</code> that accesses the trace and identifies
53    * itself with the given action String.
54    * <p>
55    *
56    * @param trace
57    * the target the action will work on.
58    *
59    * @param colorName
60    * the descriptive <code>String</code> that will be displayed by
61    * {@link javax.swing.AbstractButton} subclasses that get this
62    * <code>Action</code> assigned (
63    * {@link javax.swing.AbstractButton#setAction(javax.swing.Action)}).
64    *
65    * @param color
66    * the color to set to the corresponding trace.
67    */
68   public Trace2DActionSetColor(final ITrace2D trace, final String JavaDoc colorName, final Color JavaDoc color) {
69     super(trace, colorName);
70     this.m_color = color;
71     trace.addPropertyChangeListener(ITrace2D.PROPERTY_COLOR, this);
72   }
73
74   /**
75    * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
76    */
77   public void actionPerformed(final ActionEvent JavaDoc e) {
78     this.m_trace.setColor(this.m_color);
79   }
80
81   /**
82    * @see java.beans.PropertyChangeListener#propertyChange(java.beans.PropertyChangeEvent)
83    */
84   public void propertyChange(final PropertyChangeEvent JavaDoc evt) {
85     String JavaDoc property = evt.getPropertyName();
86     if (property.equals(ITrace2D.PROPERTY_COLOR)) {
87       Color JavaDoc newValue = (Color JavaDoc) evt.getNewValue();
88       if (newValue.equals(this.m_color)) {
89         this.firePropertyChange(PropertyChangeCheckBoxMenuItem.PROPERTY_SELECTED,
90             new Boolean JavaDoc(false), new Boolean JavaDoc(true));
91       } else {
92         this.firePropertyChange(PropertyChangeCheckBoxMenuItem.PROPERTY_SELECTED,
93             new Boolean JavaDoc(true), new Boolean JavaDoc(false));
94       }
95     }
96   }
97 }
98
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