skrueger/i8n/SwitchLanguageDialog.java

/*******************************************************************************
 * Copyright (c) 2009 Martin O. J. Schmitz.
 * 
 * This file is part of the SCHMITZM library - a collection of utility 
 * classes based on Java 1.6, focusing (not only) on Java Swing 
 * and the Geotools library.
 * 
 * The SCHMITZM project is hosted at:
 * http://wald.intevation.org/projects/schmitzm/
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License (license.txt)
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 * or try this link: http://www.gnu.org/licenses/lgpl.html
 * 
 * Contributors:
 *     Martin O. J. Schmitz - initial API and implementation
 *     Stefan A. Tzeggai - additional utility classes
 ******************************************************************************/
package skrueger.i8n;

import java.awt.Component;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseWheelListener;
import java.util.List;
import java.util.Locale;

import javax.swing.DefaultComboBoxModel;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JPanel;

import org.apache.log4j.Logger;

import schmitzm.swing.SwingUtil;
import skrueger.swing.OkButton;
import skrueger.swing.TranslationEditJPanel;

/**
 * This dialog ask the user to select one of list of given languages. The dialog
 * is modal and not visible after construction.
 * 
 * @author Stefan A. Krueger
 */
public class SwitchLanguageDialog extends JDialog {
        protected Logger LOGGER = Logger.getLogger(SwitchLanguageDialog.class);

        private JPanel jContentPane = null;

        private JLabel jLabelFlagimage = null;

        private JPanel jPanel = null;

        private JButton jButton = null;

        private JPanel jPanel1 = null;

        private JLabel jLabel = null;

        private JComboBox jComboBox = null;

        private final List<String> languages;

        /**
         * A dialog to select one of the available languages. If only one language
         * is available, select it directly. Creating this object automatically
         * makes it visible, unless there is only one language to choose from.. it
         * that case it disposes itself automatically.
         */
        public SwitchLanguageDialog(final Component owner,
                        final List<String> languages) {
                super(SwingUtil.getParentWindow(owner));
                this.languages = languages;

                Translation.setActiveLang(languages.get(0));

                if (languages.size() == 1) {
                        LOGGER.debug("Only language '" + languages.get(0)
                                        + "' is available. It has been selected automatically.");
                        // dispose();
                        setModal(false);
                        return;
                }

                initialize();
        }

        /**
         * This method initializes this
         * 
         * @return void
         */
        private void initialize() {
                this.setContentPane(getJContentPane());

                setDefaultCloseOperation(JDialog.DO_NOTHING_ON_CLOSE);

                pack();

                SwingUtil.centerFrameOnScreenRandom(this);
                setModal(true);
                setVisible(true);
        }

        /**
         * This method initializes jContentPane
         * 
         * @return javax.swing.JPanel
         */
        private JPanel getJContentPane() {
                if (jContentPane == null) {
                        final GridBagConstraints gridBagConstraints11 = new GridBagConstraints();
                        gridBagConstraints11.gridx = 1;
                        gridBagConstraints11.fill = GridBagConstraints.HORIZONTAL;
                        gridBagConstraints11.gridy = 1;
                        final GridBagConstraints gridBagConstraints3 = new GridBagConstraints();
                        gridBagConstraints3.gridx = 1;
                        gridBagConstraints3.fill = GridBagConstraints.HORIZONTAL;
                        gridBagConstraints3.gridy = 2;
                        final GridBagConstraints gridBagConstraints1 = new GridBagConstraints();
                        gridBagConstraints1.gridx = 0;
                        gridBagConstraints1.fill = GridBagConstraints.BOTH;
                        gridBagConstraints1.gridwidth = 2;
                        gridBagConstraints1.anchor = GridBagConstraints.NORTH;
                        gridBagConstraints1.gridy = 0;
                        jLabelFlagimage = new JLabel(new ImageIcon(
                                        TranslationEditJPanel.class
                                                        .getResource("resource/flags.jpg")));
                        jContentPane = new JPanel();
                        jContentPane.setLayout(new GridBagLayout());
                        jContentPane.add(jLabelFlagimage, gridBagConstraints1);
                        jContentPane.add(getJPanel(), gridBagConstraints3);
                        jContentPane.add(getJPanel1(), gridBagConstraints11);
                }
                return jContentPane;
        }

        /**
         * This method initializes jPanel
         * 
         * @return javax.swing.JPanel
         */
        private JPanel getJPanel() {
                if (jPanel == null) {
                        final GridBagConstraints gridBagConstraints4 = new GridBagConstraints();
                        gridBagConstraints4.gridx = 0;
                        gridBagConstraints4.anchor = GridBagConstraints.EAST;
                        gridBagConstraints4.weightx = 1.0;
                        gridBagConstraints4.insets = new Insets(5, 5, 5, 5);
                        gridBagConstraints4.gridy = 0;
                        jPanel = new JPanel();
                        jPanel.setLayout(new GridBagLayout());
                        jPanel.add(getJButton(), gridBagConstraints4);
                }
                return jPanel;
        }

        /**
         * This method initializes jButton
         * 
         * @return javax.swing.JButton
         */
        private JButton getJButton() {
                if (jButton == null) {
                        jButton = new OkButton();
                        jButton.setEnabled(false);

                        jButton.addActionListener(new ActionListener() {

                                public void actionPerformed(ActionEvent e) {
                                        dispose();
                                }

                        });
                }
                return jButton;
        }

        /**
         * This method initializes jPanel1
         * 
         * @return javax.swing.JPanel
         */
        private JPanel getJPanel1() {
                if (jPanel1 == null) {
                        final GridBagConstraints gridBagConstraints2 = new GridBagConstraints();
                        gridBagConstraints2.fill = GridBagConstraints.VERTICAL;
                        gridBagConstraints2.gridy = 0;
                        gridBagConstraints2.weightx = 1.0;
                        gridBagConstraints2.insets = new Insets(5, 5, 5, 5);
                        gridBagConstraints2.anchor = GridBagConstraints.WEST;
                        gridBagConstraints2.gridx = 1;
                        final GridBagConstraints gridBagConstraints = new GridBagConstraints();
                        gridBagConstraints.gridx = 0;
                        gridBagConstraints.insets = new Insets(0, 5, 0, 0);
                        gridBagConstraints.gridy = 0;
                        jLabel = new JLabel();
                        jLabel.setText("Select language: "); // i8n!?! Maybe replace with an
                        // icon of an index finger
                        jPanel1 = new JPanel();
                        jPanel1.setLayout(new GridBagLayout());
                        jPanel1.add(jLabel, gridBagConstraints);
                        jPanel1.add(getJComboBox(), gridBagConstraints2);
                }
                return jPanel1;
        }

        /**
         * This method initializes jComboBox
         * 
         * @return javax.swing.JComboBox
         */
        private JComboBox getJComboBox() {
                if (jComboBox == null) {
                        jComboBox = new JComboBox();

                        jComboBox.addMouseWheelListener(new MouseWheelListener() {
                                public void mouseWheelMoved(java.awt.event.MouseWheelEvent e) {

                                        if ((e.getWheelRotation() < 0)) {
                                                if (jComboBox.getSelectedIndex() < jComboBox
                                                                .getItemCount() - 1)
                                                        jComboBox.setSelectedIndex(jComboBox
                                                                        .getSelectedIndex() + 1);
                                        } else {
                                                if (jComboBox.getSelectedIndex() > 0)
                                                        jComboBox.setSelectedIndex(jComboBox
                                                                        .getSelectedIndex() - 1);
                                        }
                                }
                        });

                        String[] langNames = new String[languages.size() + 1];
                        for (int i = 0; i < languages.size(); i++) {

                                Locale locale = I8NUtil.getLocaleFor(languages.get(i));

                                langNames[i] = locale.getDisplayLanguage(locale) + " / "
                                                + locale.getDisplayLanguage() + " / "
                                                + languages.get(i);
                        }
                        langNames[languages.size()] = "?";

                        jComboBox.setModel(new DefaultComboBoxModel(langNames));
                        jComboBox.setSelectedItem(langNames[languages.size()]);

                        jComboBox.addActionListener(new ActionListener() {

                                public void actionPerformed(final ActionEvent e) {
                                        if (jComboBox.getSelectedIndex() == languages.size()) {
                                                getJButton().setEnabled(false);
                                                return;
                                        }

                                        String l = languages.get(jComboBox.getSelectedIndex());
                                        try {
                                                Translation.setActiveLang(l);

                                                getJButton().setEnabled(true);
                                        } catch (java.lang.IllegalArgumentException ee) {
                                                LOGGER.warn("The language " + l + " is not valid", ee);
                                                getJButton().setEnabled(false);
                                        }

                                }

                        });
                }
                return jComboBox;
        }

}
1	/*******************************************************************************
2	* Copyright (c) 2009 Martin O. J. Schmitz.
3	*
4	* This file is part of the SCHMITZM library - a collection of utility
5	* classes based on Java 1.6, focusing (not only) on Java Swing
6	* and the Geotools library.
7	*
8	* The SCHMITZM project is hosted at:
9	* http://wald.intevation.org/projects/schmitzm/
10	*
11	* 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	* as published by the Free Software Foundation; either version 3
14	* of the License, or (at your option) any later version.
15	*
16	* 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	* GNU General Public License for more details.
20	*
21	* You should have received a copy of the GNU Lesser General Public License (license.txt)
22	* 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	* or try this link: http://www.gnu.org/licenses/lgpl.html
25	*
26	* Contributors:
27	* Martin O. J. Schmitz - initial API and implementation
28	* Stefan A. Tzeggai - additional utility classes
29	******************************************************************************/
30	package skrueger.i8n;
31
32	import java.awt.Component;
33	import java.awt.GridBagConstraints;
34	import java.awt.GridBagLayout;
35	import java.awt.Insets;
36	import java.awt.event.ActionEvent;
37	import java.awt.event.ActionListener;
38	import java.awt.event.MouseWheelListener;
39	import java.util.List;
40	import java.util.Locale;
41
42	import javax.swing.DefaultComboBoxModel;
43	import javax.swing.ImageIcon;
44	import javax.swing.JButton;
45	import javax.swing.JComboBox;
46	import javax.swing.JDialog;
47	import javax.swing.JLabel;
48	import javax.swing.JPanel;
49
50	import org.apache.log4j.Logger;
51
52	import schmitzm.swing.SwingUtil;
53	import skrueger.swing.OkButton;
54	import skrueger.swing.TranslationEditJPanel;
55
56	/**
57	* This dialog ask the user to select one of list of given languages. The dialog
58	* is modal and not visible after construction.
59	*
60	* @author Stefan A. Krueger
61	*/
62	public class SwitchLanguageDialog extends JDialog {
63	protected Logger LOGGER = Logger.getLogger(SwitchLanguageDialog.class);
64
65	private JPanel jContentPane = null;
66
67	private JLabel jLabelFlagimage = null;
68
69	private JPanel jPanel = null;
70
71	private JButton jButton = null;
72
73	private JPanel jPanel1 = null;
74
75	private JLabel jLabel = null;
76
77	private JComboBox jComboBox = null;
78
79	private final List<String> languages;
80
81	/**
82	* A dialog to select one of the available languages. If only one language
83	* is available, select it directly. Creating this object automatically
84	* makes it visible, unless there is only one language to choose from.. it
85	* that case it disposes itself automatically.
86	*/
87	public SwitchLanguageDialog(final Component owner,
88	final List<String> languages) {
89	super(SwingUtil.getParentWindow(owner));
90	this.languages = languages;
91
92	Translation.setActiveLang(languages.get(0));
93
94	if (languages.size() == 1) {
95	LOGGER.debug("Only language '" + languages.get(0)
96	+ "' is available. It has been selected automatically.");
97	// dispose();
98	setModal(false);
99	return;
100	}
101
102	initialize();
103	}
104
105	/**
106	* This method initializes this
107	*
108	* @return void
109	*/
110	private void initialize() {
111	this.setContentPane(getJContentPane());
112
113	setDefaultCloseOperation(JDialog.DO_NOTHING_ON_CLOSE);
114
115	pack();
116
117	SwingUtil.centerFrameOnScreenRandom(this);
118	setModal(true);
119	setVisible(true);
120	}
121
122	/**
123	* This method initializes jContentPane
124	*
125	* @return javax.swing.JPanel
126	*/
127	private JPanel getJContentPane() {
128	if (jContentPane == null) {
129	final GridBagConstraints gridBagConstraints11 = new GridBagConstraints();
130	gridBagConstraints11.gridx = 1;
131	gridBagConstraints11.fill = GridBagConstraints.HORIZONTAL;
132	gridBagConstraints11.gridy = 1;
133	final GridBagConstraints gridBagConstraints3 = new GridBagConstraints();
134	gridBagConstraints3.gridx = 1;
135	gridBagConstraints3.fill = GridBagConstraints.HORIZONTAL;
136	gridBagConstraints3.gridy = 2;
137	final GridBagConstraints gridBagConstraints1 = new GridBagConstraints();
138	gridBagConstraints1.gridx = 0;
139	gridBagConstraints1.fill = GridBagConstraints.BOTH;
140	gridBagConstraints1.gridwidth = 2;
141	gridBagConstraints1.anchor = GridBagConstraints.NORTH;
142	gridBagConstraints1.gridy = 0;
143	jLabelFlagimage = new JLabel(new ImageIcon(
144	TranslationEditJPanel.class
145	.getResource("resource/flags.jpg")));
146	jContentPane = new JPanel();
147	jContentPane.setLayout(new GridBagLayout());
148	jContentPane.add(jLabelFlagimage, gridBagConstraints1);
149	jContentPane.add(getJPanel(), gridBagConstraints3);
150	jContentPane.add(getJPanel1(), gridBagConstraints11);
151	}
152	return jContentPane;
153	}
154
155	/**
156	* This method initializes jPanel
157	*
158	* @return javax.swing.JPanel
159	*/
160	private JPanel getJPanel() {
161	if (jPanel == null) {
162	final GridBagConstraints gridBagConstraints4 = new GridBagConstraints();
163	gridBagConstraints4.gridx = 0;
164	gridBagConstraints4.anchor = GridBagConstraints.EAST;
165	gridBagConstraints4.weightx = 1.0;
166	gridBagConstraints4.insets = new Insets(5, 5, 5, 5);
167	gridBagConstraints4.gridy = 0;
168	jPanel = new JPanel();
169	jPanel.setLayout(new GridBagLayout());
170	jPanel.add(getJButton(), gridBagConstraints4);
171	}
172	return jPanel;
173	}
174
175	/**
176	* This method initializes jButton
177	*
178	* @return javax.swing.JButton
179	*/
180	private JButton getJButton() {
181	if (jButton == null) {
182	jButton = new OkButton();
183	jButton.setEnabled(false);
184
185	jButton.addActionListener(new ActionListener() {
186
187	public void actionPerformed(ActionEvent e) {
188	dispose();
189	}
190
191	});
192	}
193	return jButton;
194	}
195
196	/**
197	* This method initializes jPanel1
198	*
199	* @return javax.swing.JPanel
200	*/
201	private JPanel getJPanel1() {
202	if (jPanel1 == null) {
203	final GridBagConstraints gridBagConstraints2 = new GridBagConstraints();
204	gridBagConstraints2.fill = GridBagConstraints.VERTICAL;
205	gridBagConstraints2.gridy = 0;
206	gridBagConstraints2.weightx = 1.0;
207	gridBagConstraints2.insets = new Insets(5, 5, 5, 5);
208	gridBagConstraints2.anchor = GridBagConstraints.WEST;
209	gridBagConstraints2.gridx = 1;
210	final GridBagConstraints gridBagConstraints = new GridBagConstraints();
211	gridBagConstraints.gridx = 0;
212	gridBagConstraints.insets = new Insets(0, 5, 0, 0);
213	gridBagConstraints.gridy = 0;
214	jLabel = new JLabel();
215	jLabel.setText("Select language: "); // i8n!?! Maybe replace with an
216	// icon of an index finger
217	jPanel1 = new JPanel();
218	jPanel1.setLayout(new GridBagLayout());
219	jPanel1.add(jLabel, gridBagConstraints);
220	jPanel1.add(getJComboBox(), gridBagConstraints2);
221	}
222	return jPanel1;
223	}
224
225	/**
226	* This method initializes jComboBox
227	*
228	* @return javax.swing.JComboBox
229	*/
230	private JComboBox getJComboBox() {
231	if (jComboBox == null) {
232	jComboBox = new JComboBox();
233
234	jComboBox.addMouseWheelListener(new MouseWheelListener() {
235	public void mouseWheelMoved(java.awt.event.MouseWheelEvent e) {
236
237	if ((e.getWheelRotation() < 0)) {
238	if (jComboBox.getSelectedIndex() < jComboBox
239	.getItemCount() - 1)
240	jComboBox.setSelectedIndex(jComboBox
241	.getSelectedIndex() + 1);
242	} else {
243	if (jComboBox.getSelectedIndex() > 0)
244	jComboBox.setSelectedIndex(jComboBox
245	.getSelectedIndex() - 1);
246	}
247	}
248	});
249
250	String[] langNames = new String[languages.size() + 1];
251	for (int i = 0; i < languages.size(); i++) {
252
253	Locale locale = I8NUtil.getLocaleFor(languages.get(i));
254
255	langNames[i] = locale.getDisplayLanguage(locale) + " / "
256	+ locale.getDisplayLanguage() + " / "
257	+ languages.get(i);
258	}
259	langNames[languages.size()] = "?";
260
261	jComboBox.setModel(new DefaultComboBoxModel(langNames));
262	jComboBox.setSelectedItem(langNames[languages.size()]);
263
264	jComboBox.addActionListener(new ActionListener() {
265
266	public void actionPerformed(final ActionEvent e) {
267	if (jComboBox.getSelectedIndex() == languages.size()) {
268	getJButton().setEnabled(false);
269	return;
270	}
271
272	String l = languages.get(jComboBox.getSelectedIndex());
273	try {
274	Translation.setActiveLang(l);
275
276	getJButton().setEnabled(true);
277	} catch (java.lang.IllegalArgumentException ee) {
278	LOGGER.warn("The language " + l + " is not valid", ee);
279	getJButton().setEnabled(false);
280	}
281
282	}
283
284	});
285	}
286	return jComboBox;
287	}
288
289	}