/[schmitzm]/trunk/src/skrueger/swing/TranslationEditJPanel.java
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trunk/src/skrueger/swing/TranslationEditJPanel.java revision 220 by alfonx, Tue Jul 14 09:41:31 2009 UTC branches/1.0-gt2-2.6/src/skrueger/swing/TranslationEditJPanel.java revision 490 by alfonx, Fri Oct 23 12:35:59 2009 UTC
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1  package skrueger.swing;  /*******************************************************************************
2     * Copyright (c) 2009 Martin O. J. Schmitz.
3  import java.awt.BorderLayout;   *
4  import java.awt.Dimension;   * This file is part of the SCHMITZM library - a collection of utility
5  import java.util.List;   * classes based on Java 1.6, focusing (not only) on Java Swing
6     * and the Geotools library.
7  import javax.swing.BorderFactory;   *
8  import javax.swing.JLabel;   * The SCHMITZM project is hosted at:
9  import javax.swing.JPanel;   * http://wald.intevation.org/projects/schmitzm/
10  import javax.swing.SpringLayout;   *
11  import javax.swing.SwingConstants;   * This program is free software; you can redistribute it and/or
12     * modify it under the terms of the GNU Lesser General Public License
13  import org.apache.log4j.Logger;   * as published by the Free Software Foundation; either version 3
14     * of the License, or (at your option) any later version.
15  import schmitzm.swing.SpringUtilities;   *
16  import skrueger.i8n.Translation;   * This program is distributed in the hope that it will be useful,
17     * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  /**   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19   * A {@link JPanel} that asks the user for the translations of a String in   * GNU General Public License for more details.
20   * several languages. Use {@link TranslationAskJDialog} to display.<br/>   *
21   * The class does not implement any backup/clong strategies. The   * You should have received a copy of the GNU Lesser General Public License (license.txt)
22   * {@link Translation} object is manipulated directly.<br/>   * along with this program; if not, write to the Free Software
23   * {@link TranslationEditJPanel}s. {@link TranslationAskJDialog} implements a   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
24   * transparent Apply/Cancel logic.   * or try this link: http://www.gnu.org/licenses/lgpl.html
25   *   *
26   * @author Stefan Alfons Krüger   * Contributors:
27   */   *     Martin O. J. Schmitz - initial API and implementation
28  public class TranslationEditJPanel extends JPanel {   *     Stefan A. Krüger - additional utility classes
29          static final protected Logger LOGGER = Logger   ******************************************************************************/
30                          .getLogger(TranslationEditJPanel.class);  package skrueger.swing;
31    
32          private final List<String> languages;  import java.awt.BorderLayout;
33          private JPanel translationGrid;  import java.awt.Dimension;
34          private Translation trans;  import java.awt.event.ActionEvent;
35    import java.awt.event.ActionListener;
36          /**  import java.util.HashSet;
37           * Creates a {@link JPanel} that asks the user for the translation of a  import java.util.List;
38           * String in several languages  import java.util.Random;
39           */  import java.util.Set;
40          public TranslationEditJPanel(Translation trans, List<String> languages_) {  import java.util.WeakHashMap;
41                  this(null, trans, languages_);  
42          }  import javax.swing.BorderFactory;
43    import javax.swing.JLabel;
44          /**  import javax.swing.JTextField;
45           * Creates a {@link JPanel} that asks the user for the translation of a  import javax.swing.SpringLayout;
46           * String in several languages and additionally puts a {@link JLabel} with a  import javax.swing.SwingConstants;
47           * question at the {@link JPanel}'s first row.  
48           */  import org.apache.log4j.Logger;
49          public TranslationEditJPanel(String question, Translation trans,  
50                          List<String> languages_) {  import schmitzm.swing.JPanel;
51                  super(new BorderLayout());  import schmitzm.swing.SpringUtilities;
52    import schmitzm.swing.SwingUtil;
53                  if (trans == null)  import skrueger.i8n.Translation;
54                          trans = new Translation();  
55    /**
56                  this.trans = trans;   * A {@link JPanel} that asks the user for the translations of a String in
57                  this.languages = languages_;   * several languages. Use {@link TranslationAskJDialog} to display.<br/>
58     * The class does not implement any backup/clong strategies. The
59                  add(getTranslationGrid(), BorderLayout.CENTER);   * {@link Translation} object is manipulated directly.<br/>
60     * {@link TranslationEditJPanel}s. {@link TranslationAskJDialog} implements a
61                  if (question != null) {   * transparent Apply/Cancel logic.
62                          JLabel questionLable = new JLabel(question);   *
63                          questionLable   * @author Stefan Alfons Krüger
64                                          .setBorder(BorderFactory.createEmptyBorder(6, 6, 6, 6));   */
65                          add(questionLable, BorderLayout.NORTH);  public class TranslationEditJPanel extends JPanel {
66                  }          static final protected Logger LOGGER = Logger
67          }                          .getLogger(TranslationEditJPanel.class);
68    
69          private JPanel getTranslationGrid() {          private final List<String> languages;
70                  if (translationGrid == null) {          private JPanel translationGrid;
71                          translationGrid = new JPanel(new SpringLayout());          private Translation trans;
72    
73                          for (String langId : languages) {          /**
74             * Remembers all {@link JTextField} that have been created.
75                                  // language code : entry field for translation           */
76                                  JLabel langDesc = new JLabel(langId.toUpperCase() + " :"); // i8n           private Set<TranslationJTextField> langTextFields = new HashSet<TranslationJTextField>();
77                                  langDesc.setHorizontalAlignment(SwingConstants.RIGHT);          private WeakHashMap<ActionListener, ActionListener> actionListeners = new WeakHashMap<ActionListener, ActionListener>();
78                                  langDesc.setVerticalAlignment(SwingConstants.NORTH);  
79            /**
80                                  TranslationJTextField langTextField = new TranslationJTextField(           * Creates a {@link JPanel} that asks the user for the translation of a
81                                                  trans, langId);           * String in several languages
82                                  // Setting a size           */
83                                  langTextField.setPreferredSize(new Dimension(360, 22));          public TranslationEditJPanel(Translation trans, List<String> languages_) {
84                                  langDesc.setLabelFor(langTextField);                  this(null, trans, languages_);
85                                  translationGrid.add(langDesc);          }
86                                  translationGrid.add(langTextField);  
87                          }          /**
88             * Creates a {@link JPanel} that asks the user for the translation of a
89                          // Lay out the panel.           * String in several languages and additionally puts a {@link JLabel} with a
90                          SpringUtilities.makeCompactGrid(translationGrid, languages.size(), // rows,           * question at the {@link JPanel}'s first row.
91                                          2, // cols           */
92                                          6, 6, // initX, initY          public TranslationEditJPanel(String question, Translation trans,
93                                          6, 6); // xPad, yPad                          List<String> languages_) {
94                    super(new BorderLayout());
95                  }                  
96                  return translationGrid;                  SwingUtil.setMinimumWidth(this, 400);
97          }  
98                    if (trans == null)
99          /**                          trans = new Translation();
100           * @return The {@link Translation} that this {@link TranslationEditJPanel}  
101           *         deals with.                  this.trans = trans;
102           */                  this.languages = languages_;
103          public Translation getTranslation() {  
104                  return trans;                  add(getTranslationGrid(), BorderLayout.CENTER);
105          }  
106                    if (question != null) {
107  }                          JLabel questionLable = new JLabel(question);
108                            questionLable
109                                            .setBorder(BorderFactory.createEmptyBorder(6, 6, 6, 6));
110                            add(questionLable, BorderLayout.NORTH);
111                    }
112    
113                    /**
114                     * Add listeners
115                     */
116            }
117    
118            /**
119             * Creates a {@link JPanel} that asks the user for the translation of a
120             * String in several languages and additionally puts a {@link JLabel} with a
121             * question at the {@link JPanel}'s first row.
122             *
123             * <br/>
124             * This constructor also sets a TitledBorder with the given title.
125             */
126            public TranslationEditJPanel(Translation title, List<String> languages2,
127                            String borderTitle) {
128                    this(title, languages2);
129    
130                    setBorder(BorderFactory.createTitledBorder(borderTitle));
131            }
132    
133            private JPanel getTranslationGrid() {
134                    if (translationGrid == null) {
135                            translationGrid = new JPanel(new SpringLayout());
136    
137                            for (String langId : languages) {
138    
139                                    // language code : entry field for translation
140                                    JLabel langDesc = new JLabel(langId.toUpperCase() + " :"); // i8n
141                                    langDesc.setHorizontalAlignment(SwingConstants.RIGHT);
142                                    langDesc.setVerticalAlignment(SwingConstants.NORTH);
143    
144                                    TranslationJTextField langTextField = new TranslationJTextField(
145                                                    trans, langId);
146                                    // Setting a size
147                                    langTextField.setPreferredSize(new Dimension(360, 22));
148                                    langDesc.setLabelFor(langTextField);
149                                    translationGrid.add(langDesc);
150                                    translationGrid.add(langTextField);
151    
152                                     langTextFields.add(langTextField);
153                            }
154    
155                            // Lay out the panel.
156                            SpringUtilities.makeCompactGrid(translationGrid, languages.size(), // rows,
157                                            2, // cols
158                                            6, 6, // initX, initY
159                                            6, 6); // xPad, yPad
160    
161                    }
162                    return translationGrid;
163            }
164    
165            /**
166             * @return The {@link Translation} that this {@link TranslationEditJPanel}
167             *         deals with.
168             */
169            public Translation getTranslation() {
170                    return trans;
171            }
172    
173            /**
174             * TODO Is never called?!
175             */
176            public void dispose() {
177                    for (TranslationJTextField f: langTextFields) {
178                            f.dispose();
179                    }
180            }
181    
182            public void addTranslationChangeListener(final ActionListener al) {
183                    final ActionListener actionListener = new ActionListener() {
184    
185                            @Override
186                            public void actionPerformed(ActionEvent e) {
187                                    al.actionPerformed(new ActionEvent(TranslationEditJPanel.this,
188                                                    new Random().nextInt(), ""));
189                            }
190    
191                    };
192                    actionListeners.put(al, actionListener);
193                    getTranslation().addTranslationChangeListener(actionListener);
194            }
195    
196            public void removeTranslationChangeListener(ActionListener al) {
197                    if (actionListeners.get(al) != null) {
198                            ActionListener actionListener = actionListeners.get(al);
199                            getTranslation().removeTranslationChangeListener(actionListener);
200                            actionListeners.remove(actionListener);
201                    }
202            }
203    
204    }
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