/[schmitzm]/trunk/src/skrueger/swing/TranslationEditJPanel.java
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revision 221 by alfonx, Tue Jul 14 14:40:52 2009 UTC revision 292 by alfonx, Wed Aug 5 12:34:15 2009 UTC
# Line 1  Line 1 
1  package skrueger.swing;  /*******************************************************************************
2     * Copyright (c) 2009 Martin O. J. Schmitz.
3  import java.awt.BorderLayout;   *
4  import java.awt.Container;   * This file is part of the SCHMITZM library - a collection of utility
5  import java.awt.Dimension;   * classes based on Java 1.6, focusing (not only) on Java Swing
6  import java.awt.event.ActionEvent;   * and the Geotools library.
7  import java.awt.event.ActionListener;   *
8  import java.awt.event.KeyEvent;   * The SCHMITZM project is hosted at:
9  import java.awt.event.KeyListener;   * http://wald.intevation.org/projects/schmitzm/
10  import java.beans.PropertyChangeListener;   *
11  import java.util.HashSet;   * This program is free software; you can redistribute it and/or
12  import java.util.List;   * modify it under the terms of the GNU Lesser General Public License
13  import java.util.Set;   * as published by the Free Software Foundation; either version 3
14     * of the License, or (at your option) any later version.
15  import javax.swing.BorderFactory;   *
16  import javax.swing.JLabel;   * This program is distributed in the hope that it will be useful,
17  import javax.swing.JPanel;   * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  import javax.swing.JTextField;   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  import javax.swing.SpringLayout;   * GNU General Public License for more details.
20  import javax.swing.SwingConstants;   *
21     * You should have received a copy of the GNU Lesser General Public License (license.txt)
22  import org.apache.log4j.Logger;   * along with this program; if not, write to the Free Software
23     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
24  import schmitzm.swing.SpringUtilities;   * or try this link: http://www.gnu.org/licenses/lgpl.html
25  import skrueger.i8n.Translation;   *
26     * Contributors:
27  /**   *     Martin O. J. Schmitz - initial API and implementation
28   * A {@link JPanel} that asks the user for the translations of a String in   *     Stefan A. Krüger - additional utility classes
29   * several languages. Use {@link TranslationAskJDialog} to display.<br/>   ******************************************************************************/
30   * The class does not implement any backup/clong strategies. The  package skrueger.swing;
31   * {@link Translation} object is manipulated directly.<br/>  
32   * {@link TranslationEditJPanel}s. {@link TranslationAskJDialog} implements a  import java.awt.BorderLayout;
33   * transparent Apply/Cancel logic.  import java.awt.Dimension;
34   *  import java.awt.event.ActionEvent;
35   * @author Stefan Alfons Krüger  import java.awt.event.ActionListener;
36   */  import java.util.HashSet;
37  public class TranslationEditJPanel extends JPanel  {  import java.util.List;
38          static final protected Logger LOGGER = Logger  import java.util.Random;
39                          .getLogger(TranslationEditJPanel.class);  import java.util.Set;
40    import java.util.WeakHashMap;
41          private final List<String> languages;  
42          private JPanel translationGrid;  import javax.swing.BorderFactory;
43          private Translation trans;  import javax.swing.JLabel;
44    import javax.swing.JTextField;
45          /**  import javax.swing.SpringLayout;
46           * Remembers all {@link JTextField} that have been created.  import javax.swing.SwingConstants;
47           */  
48          private Set<JTextField> langTextFields = new HashSet<JTextField>();  import org.apache.log4j.Logger;
49    
50          /**  import schmitzm.swing.JPanel;
51           * Creates a {@link JPanel} that asks the user for the translation of a  import schmitzm.swing.SpringUtilities;
52           * String in several languages  import skrueger.i8n.Translation;
53           */  
54          public TranslationEditJPanel(Translation trans, List<String> languages_) {  /**
55                  this(null, trans, languages_);   * A {@link JPanel} that asks the user for the translations of a String in
56          }   * several languages. Use {@link TranslationAskJDialog} to display.<br/>
57     * The class does not implement any backup/clong strategies. The
58          /**   * {@link Translation} object is manipulated directly.<br/>
59           * Creates a {@link JPanel} that asks the user for the translation of a   * {@link TranslationEditJPanel}s. {@link TranslationAskJDialog} implements a
60           * String in several languages and additionally puts a {@link JLabel} with a   * transparent Apply/Cancel logic.
61           * question at the {@link JPanel}'s first row.   *
62           */   * @author Stefan Alfons Krüger
63          public TranslationEditJPanel(String question, Translation trans,   */
64                          List<String> languages_) {  public class TranslationEditJPanel extends JPanel {
65                  super(new BorderLayout());          static final protected Logger LOGGER = Logger
66                            .getLogger(TranslationEditJPanel.class);
67                  if (trans == null)  
68                          trans = new Translation();          private final List<String> languages;
69            private JPanel translationGrid;
70                  this.trans = trans;          private Translation trans;
71                  this.languages = languages_;  
72            /**
73                  add(getTranslationGrid(), BorderLayout.CENTER);           * Remembers all {@link JTextField} that have been created.
74             */
75                  if (question != null) {          private Set<JTextField> langTextFields = new HashSet<JTextField>();
76                          JLabel questionLable = new JLabel(question);  
77                          questionLable          private WeakHashMap<ActionListener, ActionListener> actionListeners = new WeakHashMap<ActionListener, ActionListener>();
78                                          .setBorder(BorderFactory.createEmptyBorder(6, 6, 6, 6));  
79                          add(questionLable, BorderLayout.NORTH);          /**
80                  }           * Creates a {@link JPanel} that asks the user for the translation of a
81          }           * String in several languages
82             */
83          private JPanel getTranslationGrid() {          public TranslationEditJPanel(Translation trans, List<String> languages_) {
84                  if (translationGrid == null) {                  this(null, trans, languages_);
85                          translationGrid = new JPanel(new SpringLayout());          }
86    
87                          for (String langId : languages) {          /**
88             * Creates a {@link JPanel} that asks the user for the translation of a
89                                  // language code : entry field for translation           * String in several languages and additionally puts a {@link JLabel} with a
90                                  JLabel langDesc = new JLabel(langId.toUpperCase() + " :"); // i8n           * question at the {@link JPanel}'s first row.
91                                  langDesc.setHorizontalAlignment(SwingConstants.RIGHT);           */
92                                  langDesc.setVerticalAlignment(SwingConstants.NORTH);          public TranslationEditJPanel(String question, Translation trans,
93                            List<String> languages_) {
94                                  TranslationJTextField langTextField = new TranslationJTextField(                  super(new BorderLayout());
95                                                  trans, langId);  
96                                  // Setting a size                  if (trans == null)
97                                  langTextField.setPreferredSize(new Dimension(360, 22));                          trans = new Translation();
98                                  langDesc.setLabelFor(langTextField);  
99                                  translationGrid.add(langDesc);                  this.trans = trans;
100                                  translationGrid.add(langTextField);                  this.languages = languages_;
101                                    
102                                  langTextFields .add(langTextField);                  add(getTranslationGrid(), BorderLayout.CENTER);
103                          }  
104                    if (question != null) {
105                          // Lay out the panel.                          JLabel questionLable = new JLabel(question);
106                          SpringUtilities.makeCompactGrid(translationGrid, languages.size(), // rows,                          questionLable
107                                          2, // cols                                          .setBorder(BorderFactory.createEmptyBorder(6, 6, 6, 6));
108                                          6, 6, // initX, initY                          add(questionLable, BorderLayout.NORTH);
109                                          6, 6); // xPad, yPad                  }
110            }
111                  }  
112                  return translationGrid;          private JPanel getTranslationGrid() {
113          }                  if (translationGrid == null) {
114                            translationGrid = new JPanel(new SpringLayout());
115          /**  
116           * @return The {@link Translation} that this {@link TranslationEditJPanel}                          for (String langId : languages) {
117           *         deals with.  
118           */                                  // language code : entry field for translation
119          public Translation getTranslation() {                                  JLabel langDesc = new JLabel(langId.toUpperCase() + " :"); // i8n
120                  return trans;                                  langDesc.setHorizontalAlignment(SwingConstants.RIGHT);
121          }                                  langDesc.setVerticalAlignment(SwingConstants.NORTH);
122    
123          public void addActionListener(final ActionListener actionListener) {                                  TranslationJTextField langTextField = new TranslationJTextField(
124                  for (final JTextField langTextField : langTextFields){                                                  trans, langId);
125                          langTextField.addKeyListener( new KeyListener(){                                  // Setting a size
126                                    langTextField.setPreferredSize(new Dimension(360, 22));
127                                  @Override                                  langDesc.setLabelFor(langTextField);
128                                  public void keyPressed(KeyEvent e) {                                  translationGrid.add(langDesc);
129                                  }                                  translationGrid.add(langTextField);
130    
131                                  @Override                                  langTextFields.add(langTextField);
132                                  public void keyReleased(KeyEvent e) {                          }
133                                  }  
134                            // Lay out the panel.
135                                  @Override                          SpringUtilities.makeCompactGrid(translationGrid, languages.size(), // rows,
136                                  public void keyTyped(KeyEvent e) {                                          2, // cols
137                                          actionListener.actionPerformed(new ActionEvent(TranslationEditJPanel.this, 0, ""));                                          6, 6, // initX, initY
138                                  }                                          6, 6); // xPad, yPad
139                                    
140                          });                  }
141                  }                  return translationGrid;
142          }          }
143    
144          public void removeActionListener(ActionListener actionListener) {          /**
145                  for (JTextField langTextField : langTextFields){           * @return The {@link Translation} that this {@link TranslationEditJPanel}
146                          langTextField.removeActionListener(actionListener);           *         deals with.
147                  }           */
148          }          public Translation getTranslation() {
149                    return trans;
150  }          }
151    
152            public void addTranslationChangeListener(final ActionListener al) {
153                    final ActionListener actionListener = new ActionListener() {
154    
155                            @Override
156                            public void actionPerformed(ActionEvent e) {
157                                    al.actionPerformed(new ActionEvent(TranslationEditJPanel.this,
158                                                    new Random().nextInt(), ""));
159                            }
160    
161                    };
162                    actionListeners.put(al, actionListener);
163                    getTranslation().addTranslationChangeListener(actionListener);
164            }
165    
166            public void removeTranslationChangeListener(ActionListener al) {
167                    if (actionListeners.get(al) != null) {
168                            ActionListener actionListener = actionListeners.get(al);
169                            getTranslation().removeTranslationChangeListener(actionListener);
170                            actionListeners.remove(actionListener);
171                    }
172            }
173    
174    }
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