/[schmitzm]/trunk/src/skrueger/swing/TranslationEditJPanel.java
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revision 220 by alfonx, Tue Jul 14 09:41:31 2009 UTC revision 711 by alfonx, Fri Feb 19 01:09:35 2010 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.HashMap;
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.WeakHashMap;
40          public TranslationEditJPanel(Translation trans, List<String> languages_) {  
41                  this(null, trans, languages_);  import javax.swing.BorderFactory;
42          }  import javax.swing.JLabel;
43    import javax.swing.JTextField;
44          /**  import javax.swing.SpringLayout;
45           * Creates a {@link JPanel} that asks the user for the translation of a  import javax.swing.SwingConstants;
46           * String in several languages and additionally puts a {@link JLabel} with a  
47           * question at the {@link JPanel}'s first row.  import org.apache.log4j.Logger;
48           */  
49          public TranslationEditJPanel(String question, Translation trans,  import schmitzm.swing.JPanel;
50                          List<String> languages_) {  import schmitzm.swing.SpringUtilities;
51                  super(new BorderLayout());  import schmitzm.swing.SwingUtil;
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 HashMap<String, TranslationJTextField> langTextFields = new HashMap<String, 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);          private final String question;
79    
80                                  TranslationJTextField langTextField = new TranslationJTextField(          /**
81                                                  trans, langId);           * Creates a {@link JPanel} that asks the user for the translation of a
82                                  // Setting a size           * String in several languages
83                                  langTextField.setPreferredSize(new Dimension(360, 22));           */
84                                  langDesc.setLabelFor(langTextField);          public TranslationEditJPanel(Translation trans, List<String> languages_) {
85                                  translationGrid.add(langDesc);                  this(null, trans, languages_);
86                                  translationGrid.add(langTextField);          }
87                          }  
88            /**
89                          // Lay out the panel.           * Creates a {@link JPanel} that asks the user for the translation of a
90                          SpringUtilities.makeCompactGrid(translationGrid, languages.size(), // rows,           * String in several languages and additionally puts a {@link JLabel} with a
91                                          2, // cols           * question at the {@link JPanel}'s first row.
92                                          6, 6, // initX, initY           */
93                                          6, 6); // xPad, yPad          public TranslationEditJPanel(String question, Translation trans,
94                            List<String> languages_) {
95                  }                  super(new BorderLayout());
96                  return translationGrid;                  this.question = question;
97          }  
98                    SwingUtil.setMinimumWidth(this, 400);
99          /**  
100           * @return The {@link Translation} that this {@link TranslationEditJPanel}                  if (trans == null)
101           *         deals with.                          trans = new Translation();
102           */  
103          public Translation getTranslation() {                  this.trans = trans;
104                  return trans;                  this.languages = languages_;
105          }  
106                    initGUI();
107  }          }
108    
109            private void initGUI() {
110                    add(getTranslationGrid(), BorderLayout.CENTER);
111    
112                    if (question != null) {
113                            JLabel questionLable = new JLabel(question);
114                            questionLable
115                                            .setBorder(BorderFactory.createEmptyBorder(6, 6, 6, 6));
116                            add(questionLable, BorderLayout.NORTH);
117                    }
118            }
119    
120            /**
121             * Creates a {@link JPanel} that asks the user for the translation of a
122             * String in several languages and additionally puts a {@link JLabel} with a
123             * question at the {@link JPanel}'s first row.
124             *
125             * <br/>
126             * This constructor also sets a TitledBorder with the given title.
127             */
128            public TranslationEditJPanel(Translation title, List<String> languages2,
129                            String borderTitle) {
130                    this(title, languages2);
131    
132                    setBorder(BorderFactory.createTitledBorder(borderTitle));
133            }
134    
135            private JPanel getTranslationGrid() {
136                    if (translationGrid == null) {
137                            translationGrid = new JPanel(new SpringLayout());
138    
139                            for (String langId : languages) {
140    
141                                    // language code : entry field for translation
142                                    JLabel langDesc = new JLabel(langId.toUpperCase() + " :"); // i8n
143                                    langDesc.setHorizontalAlignment(SwingConstants.RIGHT);
144                                    langDesc.setVerticalAlignment(SwingConstants.NORTH);
145    
146                                    TranslationJTextField langTextField = langTextFields
147                                                    .get(langId);
148    
149                                    if (langTextField == null) {
150                                            langTextField = new TranslationJTextField(trans, langId);
151                                            // Setting a size
152                                            langTextField.setPreferredSize(new Dimension(360, 22));
153                                            langDesc.setLabelFor(langTextField);
154                                    }
155    
156                                    translationGrid.add(langDesc);
157                                    translationGrid.add(langTextField);
158    
159                                    langTextFields.put(langId, langTextField);
160                            }
161    
162                            // Lay out the panel.
163                            SpringUtilities.makeCompactGrid(translationGrid, languages.size(), // rows,
164                                            2, // cols
165                                            6, 6, // initX, initY
166                                            6, 6); // xPad, yPad
167    
168                    }
169                    return translationGrid;
170            }
171    
172            /**
173             * @return The {@link Translation} that this {@link TranslationEditJPanel}
174             *         deals with.
175             */
176            public Translation getTranslation() {
177                    return trans;
178            }
179    
180            /**
181             * TODO Is never called?!
182             */
183            public void dispose() {
184                    for (TranslationJTextField f : langTextFields.values()) {
185                            f.dispose();
186                    }
187                    langTextFields.clear();
188            }
189    
190            public void addTranslationChangeListener(final ActionListener al) {
191                    final ActionListener actionListener = new ActionListener() {
192    
193                            @Override
194                            public void actionPerformed(ActionEvent e) {
195                                    al.actionPerformed(new ActionEvent(TranslationEditJPanel.this,
196                                                    new Random().nextInt(), ""));
197                            }
198    
199                    };
200                    actionListeners.put(al, actionListener);
201                    getTranslation().addTranslationChangeListener(actionListener);
202            }
203    
204            public void removeTranslationChangeListener(ActionListener al) {
205                    if (actionListeners.get(al) != null) {
206                            ActionListener actionListener = actionListeners.get(al);
207                            getTranslation().removeTranslationChangeListener(actionListener);
208                            actionListeners.remove(actionListener);
209                    }
210            }
211    
212    
213    }
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