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.JLabel;
import javax.swing.JPanel;

import org.apache.log4j.Logger;

import schmitzm.swing.SwingUtil;
import skrueger.swing.AtlasDialog;
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. Tzeggai
 */
public class SwitchLanguageDialog extends AtlasDialog {
        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;

        /**
         * if <code>true</code>, the default locale will also be changed during a
         * language selection
         **/
        protected boolean setLocale;

        /**
         * 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.
         * 
         * @param setLocale
         *            if <code>true</code>, the default locale will also be changed
         *            during a language selection
         */
        public SwitchLanguageDialog(final Component owner,
                        final List<String> languages, boolean setLocale) {
                super(owner);
                this.languages = languages;
                this.setLocale = setLocale;

                if (languages == null || languages.size() == 0) {
                        // No language is available.
                        return;
                }

                Translation.setActiveLang(languages.get(0), setLocale);
                if (languages.size() == 1) {
                        // Only language one language is available. It has been selected
                        // automatically.
                        return;
                }

                initialize();
        }

        @Override
        /**
         * This modal dialog will not appear if there is <= one language to select from.
         */
        public void setVisible(boolean b) {
                if (b == true && (languages == null || languages.size() <= 1)) {
                        return;
                }
                super.setVisible(b);
        }

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

                pack();

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

        public boolean close() {
                // Only close by ESC and window-close if a valid selection is made
                if (jComboBox.getSelectedIndex() == languages.size())
                        return false;
                else
                        return super.close();
        }

        /**
         * 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.getFirstLocaleForLang(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, setLocale);

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

                                }

                        });
                }
                return jComboBox;
        }

}
1	alfonx	244	/*******************************************************************************
2			* Copyright (c) 2009 Martin O. J. Schmitz.
3			*
4			* This file is part of the SCHMITZM library - a collection of utility
5	alfonx	256	* classes based on Java 1.6, focusing (not only) on Java Swing
6	alfonx	244	* 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	alfonx	862	* Stefan A. Tzeggai - additional utility classes
29	alfonx	244	******************************************************************************/
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.JLabel;
47			import javax.swing.JPanel;
48
49			import org.apache.log4j.Logger;
50
51			import schmitzm.swing.SwingUtil;
52	alfonx	1098	import skrueger.swing.AtlasDialog;
53	alfonx	244	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	alfonx	1098	* @author Stefan A. Tzeggai
61	alfonx	244	*/
62	alfonx	1098	public class SwitchLanguageDialog extends AtlasDialog {
63	alfonx	244	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	alfonx	1098	* if <code>true</code>, the default locale will also be changed during a
83			* language selection
84			**/
85			protected boolean setLocale;
86
87			/**
88	alfonx	244	* A dialog to select one of the available languages. If only one language
89			* is available, select it directly. Creating this object automatically
90	alfonx	607	* makes it visible, unless there is only one language to choose from.. it
91	alfonx	724	* that case it disposes itself automatically.
92	alfonx	1098	*
93			* @param setLocale
94			* if <code>true</code>, the default locale will also be changed
95			* during a language selection
96	alfonx	244	*/
97			public SwitchLanguageDialog(final Component owner,
98	alfonx	1098	final List<String> languages, boolean setLocale) {
99			super(owner);
100	alfonx	244	this.languages = languages;
101	alfonx	1098	this.setLocale = setLocale;
102	alfonx	244
103	alfonx	1098	if (languages == null \|\| languages.size() == 0) {
104			// No language is available.
105			return;
106			}
107	alfonx	244
108	alfonx	1098	Translation.setActiveLang(languages.get(0), setLocale);
109	alfonx	244	if (languages.size() == 1) {
110	alfonx	1098	// Only language one language is available. It has been selected
111			// automatically.
112	alfonx	244	return;
113			}
114
115			initialize();
116			}
117
118	alfonx	1098	@Override
119	alfonx	244	/**
120	alfonx	1098	* This modal dialog will not appear if there is <= one language to select from.
121			*/
122			public void setVisible(boolean b) {
123			if (b == true && (languages == null \|\| languages.size() <= 1)) {
124			return;
125			}
126			super.setVisible(b);
127			}
128
129			/**
130	alfonx	244	* This method initializes this
131			*
132			* @return void
133			*/
134			private void initialize() {
135			this.setContentPane(getJContentPane());
136
137			pack();
138	alfonx	607
139			SwingUtil.centerFrameOnScreenRandom(this);
140			setModal(true);
141	alfonx	244	}
142
143	alfonx	1098	public boolean close() {
144			// Only close by ESC and window-close if a valid selection is made
145			if (jComboBox.getSelectedIndex() == languages.size())
146			return false;
147			else
148			return super.close();
149			}
150
151	alfonx	244	/**
152			* This method initializes jContentPane
153			*
154			* @return javax.swing.JPanel
155			*/
156			private JPanel getJContentPane() {
157			if (jContentPane == null) {
158			final GridBagConstraints gridBagConstraints11 = new GridBagConstraints();
159			gridBagConstraints11.gridx = 1;
160			gridBagConstraints11.fill = GridBagConstraints.HORIZONTAL;
161			gridBagConstraints11.gridy = 1;
162			final GridBagConstraints gridBagConstraints3 = new GridBagConstraints();
163			gridBagConstraints3.gridx = 1;
164			gridBagConstraints3.fill = GridBagConstraints.HORIZONTAL;
165			gridBagConstraints3.gridy = 2;
166			final GridBagConstraints gridBagConstraints1 = new GridBagConstraints();
167			gridBagConstraints1.gridx = 0;
168			gridBagConstraints1.fill = GridBagConstraints.BOTH;
169			gridBagConstraints1.gridwidth = 2;
170			gridBagConstraints1.anchor = GridBagConstraints.NORTH;
171			gridBagConstraints1.gridy = 0;
172			jLabelFlagimage = new JLabel(new ImageIcon(
173			TranslationEditJPanel.class
174			.getResource("resource/flags.jpg")));
175			jContentPane = new JPanel();
176			jContentPane.setLayout(new GridBagLayout());
177			jContentPane.add(jLabelFlagimage, gridBagConstraints1);
178			jContentPane.add(getJPanel(), gridBagConstraints3);
179			jContentPane.add(getJPanel1(), gridBagConstraints11);
180			}
181			return jContentPane;
182			}
183
184			/**
185			* This method initializes jPanel
186			*
187			* @return javax.swing.JPanel
188			*/
189			private JPanel getJPanel() {
190			if (jPanel == null) {
191			final GridBagConstraints gridBagConstraints4 = new GridBagConstraints();
192			gridBagConstraints4.gridx = 0;
193			gridBagConstraints4.anchor = GridBagConstraints.EAST;
194			gridBagConstraints4.weightx = 1.0;
195			gridBagConstraints4.insets = new Insets(5, 5, 5, 5);
196			gridBagConstraints4.gridy = 0;
197			jPanel = new JPanel();
198			jPanel.setLayout(new GridBagLayout());
199			jPanel.add(getJButton(), gridBagConstraints4);
200			}
201			return jPanel;
202			}
203
204			/**
205			* This method initializes jButton
206			*
207			* @return javax.swing.JButton
208			*/
209			private JButton getJButton() {
210			if (jButton == null) {
211			jButton = new OkButton();
212			jButton.setEnabled(false);
213
214			jButton.addActionListener(new ActionListener() {
215
216			public void actionPerformed(ActionEvent e) {
217			dispose();
218			}
219
220			});
221			}
222			return jButton;
223			}
224
225			/**
226			* This method initializes jPanel1
227			*
228			* @return javax.swing.JPanel
229			*/
230			private JPanel getJPanel1() {
231			if (jPanel1 == null) {
232			final GridBagConstraints gridBagConstraints2 = new GridBagConstraints();
233			gridBagConstraints2.fill = GridBagConstraints.VERTICAL;
234			gridBagConstraints2.gridy = 0;
235			gridBagConstraints2.weightx = 1.0;
236			gridBagConstraints2.insets = new Insets(5, 5, 5, 5);
237			gridBagConstraints2.anchor = GridBagConstraints.WEST;
238			gridBagConstraints2.gridx = 1;
239			final GridBagConstraints gridBagConstraints = new GridBagConstraints();
240			gridBagConstraints.gridx = 0;
241			gridBagConstraints.insets = new Insets(0, 5, 0, 0);
242			gridBagConstraints.gridy = 0;
243			jLabel = new JLabel();
244			jLabel.setText("Select language: "); // i8n!?! Maybe replace with an
245	alfonx	607	// icon of an index finger
246	alfonx	244	jPanel1 = new JPanel();
247			jPanel1.setLayout(new GridBagLayout());
248			jPanel1.add(jLabel, gridBagConstraints);
249			jPanel1.add(getJComboBox(), gridBagConstraints2);
250			}
251			return jPanel1;
252			}
253
254			/**
255			* This method initializes jComboBox
256			*
257			* @return javax.swing.JComboBox
258			*/
259			private JComboBox getJComboBox() {
260			if (jComboBox == null) {
261			jComboBox = new JComboBox();
262
263			jComboBox.addMouseWheelListener(new MouseWheelListener() {
264			public void mouseWheelMoved(java.awt.event.MouseWheelEvent e) {
265
266			if ((e.getWheelRotation() < 0)) {
267			if (jComboBox.getSelectedIndex() < jComboBox
268			.getItemCount() - 1)
269			jComboBox.setSelectedIndex(jComboBox
270			.getSelectedIndex() + 1);
271			} else {
272			if (jComboBox.getSelectedIndex() > 0)
273			jComboBox.setSelectedIndex(jComboBox
274			.getSelectedIndex() - 1);
275			}
276			}
277			});
278
279			String[] langNames = new String[languages.size() + 1];
280			for (int i = 0; i < languages.size(); i++) {
281
282	alfonx	1100	Locale locale = I8NUtil.getFirstLocaleForLang(languages.get(i));
283	alfonx	244
284			langNames[i] = locale.getDisplayLanguage(locale) + " / "
285			+ locale.getDisplayLanguage() + " / "
286			+ languages.get(i);
287			}
288			langNames[languages.size()] = "?";
289
290			jComboBox.setModel(new DefaultComboBoxModel(langNames));
291			jComboBox.setSelectedItem(langNames[languages.size()]);
292
293			jComboBox.addActionListener(new ActionListener() {
294
295			public void actionPerformed(final ActionEvent e) {
296			if (jComboBox.getSelectedIndex() == languages.size()) {
297			getJButton().setEnabled(false);
298			return;
299			}
300
301			String l = languages.get(jComboBox.getSelectedIndex());
302			try {
303	alfonx	1098	Translation.setActiveLang(l, setLocale);
304	alfonx	244
305			getJButton().setEnabled(true);
306			} catch (java.lang.IllegalArgumentException ee) {
307			LOGGER.warn("The language " + l + " is not valid", ee);
308			getJButton().setEnabled(false);
309			}
310
311			}
312
313			});
314			}
315			return jComboBox;
316			}
317
318	alfonx	607	}