/[schmitzm]/trunk/src/skrueger/swing/TranslationEditJPanel.java
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revision 220 by alfonx, Tue Jul 14 09:41:31 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.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 skrueger.i8n.Translation;
53                  if (trans == null)  
54                          trans = new Translation();  /**
55     * A {@link JPanel} that asks the user for the translations of a String in
56                  this.trans = trans;   * several languages. Use {@link TranslationAskJDialog} to display.<br/>
57                  this.languages = languages_;   * The class does not implement any backup/clong strategies. The
58     * {@link Translation} object is manipulated directly.<br/>
59                  add(getTranslationGrid(), BorderLayout.CENTER);   * {@link TranslationEditJPanel}s. {@link TranslationAskJDialog} implements a
60     * transparent Apply/Cancel logic.
61                  if (question != null) {   *
62                          JLabel questionLable = new JLabel(question);   * @author Stefan Alfons Krüger
63                          questionLable   */
64                                          .setBorder(BorderFactory.createEmptyBorder(6, 6, 6, 6));  public class TranslationEditJPanel extends JPanel {
65                          add(questionLable, BorderLayout.NORTH);          static final protected Logger LOGGER = Logger
66                  }                          .getLogger(TranslationEditJPanel.class);
67          }  
68            private final List<String> languages;
69          private JPanel getTranslationGrid() {          private JPanel translationGrid;
70                  if (translationGrid == null) {          private Translation trans;
71                          translationGrid = new JPanel(new SpringLayout());  
72            /**
73                          for (String langId : languages) {           * Remembers all {@link JTextField} that have been created.
74             */
75                                  // language code : entry field for translation           private Set<TranslationJTextField> langTextFields = new HashSet<TranslationJTextField>();
76                                  JLabel langDesc = new JLabel(langId.toUpperCase() + " :"); // i8n          private WeakHashMap<ActionListener, ActionListener> actionListeners = new WeakHashMap<ActionListener, ActionListener>();
77                                  langDesc.setHorizontalAlignment(SwingConstants.RIGHT);  
78                                  langDesc.setVerticalAlignment(SwingConstants.NORTH);          /**
79             * Creates a {@link JPanel} that asks the user for the translation of a
80                                  TranslationJTextField langTextField = new TranslationJTextField(           * String in several languages
81                                                  trans, langId);           */
82                                  // Setting a size          public TranslationEditJPanel(Translation trans, List<String> languages_) {
83                                  langTextField.setPreferredSize(new Dimension(360, 22));                  this(null, trans, languages_);
84                                  langDesc.setLabelFor(langTextField);          }
85                                  translationGrid.add(langDesc);  
86                                  translationGrid.add(langTextField);          /**
87                          }           * 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                          // Lay out the panel.           * question at the {@link JPanel}'s first row.
90                          SpringUtilities.makeCompactGrid(translationGrid, languages.size(), // rows,           */
91                                          2, // cols          public TranslationEditJPanel(String question, Translation trans,
92                                          6, 6, // initX, initY                          List<String> languages_) {
93                                          6, 6); // xPad, yPad                  super(new BorderLayout());
94    
95                  }                  if (trans == null)
96                  return translationGrid;                          trans = new Translation();
97          }  
98                    this.trans = trans;
99          /**                  this.languages = languages_;
100           * @return The {@link Translation} that this {@link TranslationEditJPanel}  
101           *         deals with.                  add(getTranslationGrid(), BorderLayout.CENTER);
102           */  
103          public Translation getTranslation() {                  if (question != null) {
104                  return trans;                          JLabel questionLable = new JLabel(question);
105          }                          questionLable
106                                            .setBorder(BorderFactory.createEmptyBorder(6, 6, 6, 6));
107  }                          add(questionLable, BorderLayout.NORTH);
108                    }
109    
110                    /**
111                     * Add listeners
112                     */
113            }
114    
115            /**
116             * Creates a {@link JPanel} that asks the user for the translation of a
117             * String in several languages and additionally puts a {@link JLabel} with a
118             * question at the {@link JPanel}'s first row.
119             *
120             * <br/>
121             * This constructor also sets a TitledBorder with the given title.
122             */
123            public TranslationEditJPanel(Translation title, List<String> languages2,
124                            String borderTitle) {
125                    this(title, languages2);
126    
127                    setBorder(BorderFactory.createTitledBorder(borderTitle));
128            }
129    
130            private JPanel getTranslationGrid() {
131                    if (translationGrid == null) {
132                            translationGrid = new JPanel(new SpringLayout());
133    
134                            for (String langId : languages) {
135    
136                                    // language code : entry field for translation
137                                    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                                    langTextField.setPreferredSize(new Dimension(360, 22));
145                                    langDesc.setLabelFor(langTextField);
146                                    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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