/[schmitzm]/branches/2.3.x/src/skrueger/swing/TranslationEditJPanel.java
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revision 221 by alfonx, Tue Jul 14 14:40:52 2009 UTC revision 298 by alfonx, Tue Aug 11 12:18:00 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<TranslationJTextField> langTextFields = new HashSet<TranslationJTextField>();
76                          JLabel questionLable = new JLabel(question);          private WeakHashMap<ActionListener, ActionListener> actionListeners = new WeakHashMap<ActionListener, ActionListener>();
77                          questionLable  
78                                          .setBorder(BorderFactory.createEmptyBorder(6, 6, 6, 6));          /**
79                          add(questionLable, BorderLayout.NORTH);           * Creates a {@link JPanel} that asks the user for the translation of a
80                  }           * String in several languages
81          }           */
82            public TranslationEditJPanel(Translation trans, List<String> languages_) {
83          private JPanel getTranslationGrid() {                  this(null, trans, languages_);
84                  if (translationGrid == null) {          }
85                          translationGrid = new JPanel(new SpringLayout());  
86            /**
87                          for (String langId : languages) {           * Creates a {@link JPanel} that asks the user for the translation of a
88             * String in several languages and additionally puts a {@link JLabel} with a
89                                  // language code : entry field for translation           * question at the {@link JPanel}'s first row.
90                                  JLabel langDesc = new JLabel(langId.toUpperCase() + " :"); // i8n           */
91                                  langDesc.setHorizontalAlignment(SwingConstants.RIGHT);          public TranslationEditJPanel(String question, Translation trans,
92                                  langDesc.setVerticalAlignment(SwingConstants.NORTH);                          List<String> languages_) {
93                    super(new BorderLayout());
94                                  TranslationJTextField langTextField = new TranslationJTextField(  
95                                                  trans, langId);                  if (trans == null)
96                                  // Setting a size                          trans = new Translation();
97                                  langTextField.setPreferredSize(new Dimension(360, 22));  
98                                  langDesc.setLabelFor(langTextField);                  this.trans = trans;
99                                  translationGrid.add(langDesc);                  this.languages = languages_;
100                                  translationGrid.add(langTextField);  
101                                                    add(getTranslationGrid(), BorderLayout.CENTER);
102                                  langTextFields .add(langTextField);  
103                          }                  if (question != null) {
104                            JLabel questionLable = new JLabel(question);
105                          // Lay out the panel.                          questionLable
106                          SpringUtilities.makeCompactGrid(translationGrid, languages.size(), // rows,                                          .setBorder(BorderFactory.createEmptyBorder(6, 6, 6, 6));
107                                          2, // cols                          add(questionLable, BorderLayout.NORTH);
108                                          6, 6, // initX, initY                  }
109                                          6, 6); // xPad, yPad  
110                    /**
111                  }                   * Add listeners
112                  return translationGrid;                   */
113          }          }
114    
115          /**          /**
116           * @return The {@link Translation} that this {@link TranslationEditJPanel}           * Creates a {@link JPanel} that asks the user for the translation of a
117           *         deals with.           * String in several languages and additionally puts a {@link JLabel} with a
118           */           * question at the {@link JPanel}'s first row.
119          public Translation getTranslation() {           *
120                  return trans;           * <br/>
121          }           * This constructor also sets a TitledBorder with the given title.
122             */
123          public void addActionListener(final ActionListener actionListener) {          public TranslationEditJPanel(Translation title, List<String> languages2,
124                  for (final JTextField langTextField : langTextFields){                          String borderTitle) {
125                          langTextField.addKeyListener( new KeyListener(){                  this(title, languages2);
126    
127                                  @Override                  setBorder(BorderFactory.createTitledBorder(borderTitle));
128                                  public void keyPressed(KeyEvent e) {          }
129                                  }  
130            private JPanel getTranslationGrid() {
131                                  @Override                  if (translationGrid == null) {
132                                  public void keyReleased(KeyEvent e) {                          translationGrid = new JPanel(new SpringLayout());
133                                  }  
134                            for (String langId : languages) {
135                                  @Override  
136                                  public void keyTyped(KeyEvent e) {                                  // language code : entry field for translation
137                                          actionListener.actionPerformed(new ActionEvent(TranslationEditJPanel.this, 0, ""));                                  JLabel langDesc = new JLabel(langId.toUpperCase() + " :"); // i8n
138                                  }                                  langDesc.setHorizontalAlignment(SwingConstants.RIGHT);
139                                                                    langDesc.setVerticalAlignment(SwingConstants.NORTH);
140                          });  
141                  }                                  TranslationJTextField langTextField = new TranslationJTextField(
142          }                                                  trans, langId);
143                                    // Setting a size
144          public void removeActionListener(ActionListener actionListener) {                                  langTextField.setPreferredSize(new Dimension(360, 22));
145                  for (JTextField langTextField : langTextFields){                                  langDesc.setLabelFor(langTextField);
146                          langTextField.removeActionListener(actionListener);                                  translationGrid.add(langDesc);
147                  }                                  translationGrid.add(langTextField);
148          }  
149                                     langTextFields.add(langTextField);
150  }                          }
151    
152                            // Lay out the panel.
153                            SpringUtilities.makeCompactGrid(translationGrid, languages.size(), // rows,
154                                            2, // cols
155                                            6, 6, // initX, initY
156                                            6, 6); // xPad, yPad
157    
158                    }
159                    return translationGrid;
160            }
161    
162            /**
163             * @return The {@link Translation} that this {@link TranslationEditJPanel}
164             *         deals with.
165             */
166            public Translation getTranslation() {
167                    return trans;
168            }
169    
170            /**
171             * TODO Is never called?!
172             */
173            public void dispose() {
174                    for (TranslationJTextField f: langTextFields) {
175                            f.dispose();
176                    }
177            }
178    
179            public void addTranslationChangeListener(final ActionListener al) {
180                    final ActionListener actionListener = new ActionListener() {
181    
182                            @Override
183                            public void actionPerformed(ActionEvent e) {
184                                    al.actionPerformed(new ActionEvent(TranslationEditJPanel.this,
185                                                    new Random().nextInt(), ""));
186                            }
187    
188                    };
189                    actionListeners.put(al, actionListener);
190                    getTranslation().addTranslationChangeListener(actionListener);
191            }
192    
193            public void removeTranslationChangeListener(ActionListener al) {
194                    if (actionListeners.get(al) != null) {
195                            ActionListener actionListener = actionListeners.get(al);
196                            getTranslation().removeTranslationChangeListener(actionListener);
197                            actionListeners.remove(actionListener);
198                    }
199            }
200    
201    }

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