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Java > Open Source Codes > net > sf > launch4j > formimpl > AbstractAcceptListener


1 /*
2     Launch4j (http://launch4j.sourceforge.net/)
3     Cross-platform Java application wrapper for creating Windows native executables.
4
5     Copyright (C) 2004, 2006 Grzegorz Kowal
6
7     This program is free software; you can redistribute it and/or modify
8     it under the terms of the GNU General Public License as published by
9     the Free Software Foundation; either version 2 of the License, or
10     (at your option) any later version.
11
12     This program is distributed in the hope that it will be useful,
13     but WITHOUT ANY WARRANTY; without even the implied warranty of
14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15     GNU General Public License for more details.
16
17     You should have received a copy of the GNU General Public License
18     along with this program; if not, write to the Free Software
19     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 */

21
22 /*
23  * Created on May 1, 2006
24  */

25 package net.sf.launch4j.formimpl;
26
27 import java.awt.Color JavaDoc;
28 import java.awt.event.ActionListener JavaDoc;
29
30 import javax.swing.JTextField JavaDoc;
31
32 import net.sf.launch4j.binding.Binding;
33
34 /**
35  * @author Copyright (C) 2006 Grzegorz Kowal
36  */

37 public abstract class AbstractAcceptListener implements ActionListener JavaDoc {
38     final JTextField JavaDoc _field;
39
40     public AbstractAcceptListener(JTextField JavaDoc f, boolean listen) {
41         _field = f;
42         if (listen) {
43             _field.addActionListener(this);
44         }
45     }
46
47     protected String JavaDoc getText() {
48         return _field.getText();
49     }
50     
51     protected void clear() {
52         _field.setText("");
53         _field.requestFocusInWindow();
54     }
55
56     protected void signalViolation(String JavaDoc msg) {
57         final Color JavaDoc bg = _field.getBackground();
58         _field.setBackground(Binding.INVALID_COLOR);
59         MainFrame.getInstance().warn(msg);
60         _field.setBackground(bg);
61         _field.requestFocusInWindow();
62     }
63 }
64
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