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.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.List;

import javax.swing.ImageIcon;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JPanel;

import net.miginfocom.swing.MigLayout;

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 JLabel jLabel = null;
    
    private OkButton jButton = null;

    private LanguagesComboBox 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()
                || jComboBox.getSelectedIndex() == -1)
            return false;
        else
            return super.close();
    }

    /**
     * This method initializes jContentPane
     * 
     * @return javax.swing.JPanel
     */
    private JPanel getJContentPane() {
        if (jContentPane == null) {
            jLabelFlagimage = new JLabel(new ImageIcon(
                    TranslationEditJPanel.class
                            .getResource("resource/flags.jpg")));
            jContentPane = new JPanel();
            MigLayout migLayout = new MigLayout("wrap 1", "[center]", "[]0[]");
            jContentPane.setLayout(migLayout);
            jContentPane.add(jLabelFlagimage, "north");
            jContentPane.add(getLanguageCombobox());
            jContentPane.add(getOkButton(),
                    "right, w 50!, gaptop 5, gapright 5, gapbottom 5");
        }
        return jContentPane;
    }
    
    /**
         * This method initializes the OkButton
         * 
         * @return javax.swing.JButton
         */
    @Override
        protected OkButton getOkButton() {
                if (jButton == null) {
                        jButton = new OkButton();
                        jButton.setEnabled(false);

                        jButton.addActionListener(new ActionListener() {

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

                        });
                }
                return jButton;
        }
    
        /**
     * This method initializes the JPanel that carries the select language
     * combobox
     * 
     * @return javax.swing.JPanel
     */
    private JPanel getLanguageCombobox() {
        if (jPanel == null) {
            jLabel = new JLabel();
            jLabel.setText("Select language: "); // i8n!?! Maybe replace with an
            // icon of an index finger
            jPanel = new JPanel();
            jPanel.add(jLabel);
            jPanel.add(getJComboBox());
        }
        return jPanel;
    }

    /**
     * This method initializes the Select Language Combobox
     * 
     * @return javax.swing.JComboBox
     */
    private JComboBox getJComboBox() {
        if (jComboBox == null) {
            ArrayList<String> languagesPlusOne = new ArrayList<String>(
                    languages);
            languagesPlusOne.add("?");

            jComboBox = new LanguagesComboBox(languages);

            SwingUtil.addMouseWheelForCombobox(jComboBox);
            jComboBox.addActionListener(new ActionListener() {

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

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

                        getOkButton().setEnabled(true);
                    } catch (java.lang.IllegalArgumentException ee) {
                        LOGGER.warn("The language " + l + " is not valid", ee);
                        getOkButton().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.event.ActionEvent;
34			import java.awt.event.ActionListener;
35	alfonx	1150	import java.util.ArrayList;
36	alfonx	244	import java.util.List;
37
38			import javax.swing.ImageIcon;
39			import javax.swing.JComboBox;
40			import javax.swing.JLabel;
41			import javax.swing.JPanel;
42
43	keeb	1290	import net.miginfocom.swing.MigLayout;
44
45	alfonx	244	import org.apache.log4j.Logger;
46
47			import schmitzm.swing.SwingUtil;
48	alfonx	1098	import skrueger.swing.AtlasDialog;
49	alfonx	244	import skrueger.swing.OkButton;
50			import skrueger.swing.TranslationEditJPanel;
51
52			/**
53			* This dialog ask the user to select one of list of given languages. The dialog
54			* is modal and not visible after construction.
55			*
56	alfonx	1098	* @author Stefan A. Tzeggai
57	alfonx	244	*/
58	alfonx	1098	public class SwitchLanguageDialog extends AtlasDialog {
59	keeb	1290	protected Logger LOGGER = Logger.getLogger(SwitchLanguageDialog.class);
60	alfonx	244
61	keeb	1290	private JPanel jContentPane = null;
62	alfonx	244
63	keeb	1290	private JLabel jLabelFlagimage = null;
64	alfonx	244
65	keeb	1290	private JPanel jPanel = null;
66	alfonx	244
67	keeb	1290	private JLabel jLabel = null;
68	keeb	1293
69	keeb	1294	private OkButton jButton = null;
70	alfonx	244
71	keeb	1290	private LanguagesComboBox jComboBox = null;
72	alfonx	244
73	keeb	1290	private final List<String> languages;
74	alfonx	244
75	keeb	1290	/**
76			* if <code>true</code>, the default locale will also be changed during a
77			* language selection
78			**/
79			protected boolean setLocale;
80	alfonx	244
81	keeb	1290	/**
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			* @param setLocale if <code>true</code>, the default locale will also be
88			* changed during a language selection
89			*/
90			public SwitchLanguageDialog(final Component owner,
91			final List<String> languages, boolean setLocale) {
92			super(owner);
93			this.languages = languages;
94			this.setLocale = setLocale;
95	alfonx	244
96	keeb	1290	if (languages == null \|\| languages.size() == 0) {
97			// No language is available.
98			return;
99			}
100	alfonx	1098
101	keeb	1290	Translation.setActiveLang(languages.get(0), setLocale);
102			if (languages.size() == 1) {
103			// Only language one language is available. It has been selected
104			// automatically.
105			return;
106			}
107	alfonx	244
108	keeb	1290	initialize();
109			}
110	alfonx	244
111	keeb	1290	@Override
112			/**
113			* This modal dialog will not appear if there is <= one language to select from.
114			*/
115			public void setVisible(boolean b) {
116			if (b == true && (languages == null \|\| languages.size() <= 1)) {
117			return;
118			}
119			super.setVisible(b);
120			}
121	alfonx	244
122	keeb	1290	/**
123			* This method initializes this
124			*
125			* @return void
126			*/
127			private void initialize() {
128			this.setContentPane(getJContentPane());
129	alfonx	244
130	keeb	1290	pack();
131	alfonx	1098
132	keeb	1290	SwingUtil.centerFrameOnScreenRandom(this);
133			setModal(true);
134			}
135	alfonx	244
136	keeb	1290	public boolean close() {
137			// Only close by ESC and window-close if a valid selection is made
138			if (jComboBox.getSelectedIndex() == languages.size()
139			\|\| jComboBox.getSelectedIndex() == -1)
140			return false;
141			else
142			return super.close();
143			}
144	alfonx	607
145	keeb	1290	/**
146			* This method initializes jContentPane
147			*
148			* @return javax.swing.JPanel
149			*/
150			private JPanel getJContentPane() {
151			if (jContentPane == null) {
152			jLabelFlagimage = new JLabel(new ImageIcon(
153			TranslationEditJPanel.class
154			.getResource("resource/flags.jpg")));
155			jContentPane = new JPanel();
156			MigLayout migLayout = new MigLayout("wrap 1", "[center]", "[]0[]");
157			jContentPane.setLayout(migLayout);
158			jContentPane.add(jLabelFlagimage, "north");
159			jContentPane.add(getLanguageCombobox());
160	keeb	1294	jContentPane.add(getOkButton(),
161	keeb	1290	"right, w 50!, gaptop 5, gapright 5, gapbottom 5");
162			}
163			return jContentPane;
164			}
165	keeb	1293
166			/**
167			* This method initializes the OkButton
168			*
169			* @return javax.swing.JButton
170			*/
171	keeb	1294	@Override
172			protected OkButton getOkButton() {
173	keeb	1293	if (jButton == null) {
174			jButton = new OkButton();
175			jButton.setEnabled(false);
176	alfonx	244
177	keeb	1293	jButton.addActionListener(new ActionListener() {
178
179			public void actionPerformed(ActionEvent e) {
180			dispose();
181			}
182
183			});
184			}
185			return jButton;
186			}
187	keeb	1294
188	keeb	1293	/**
189	keeb	1290	* This method initializes the JPanel that carries the select language
190			* combobox
191			*
192			* @return javax.swing.JPanel
193			*/
194			private JPanel getLanguageCombobox() {
195			if (jPanel == null) {
196			jLabel = new JLabel();
197			jLabel.setText("Select language: "); // i8n!?! Maybe replace with an
198			// icon of an index finger
199			jPanel = new JPanel();
200			jPanel.add(jLabel);
201			jPanel.add(getJComboBox());
202			}
203			return jPanel;
204			}
205	alfonx	1098
206	keeb	1290	/**
207			* This method initializes the Select Language Combobox
208			*
209			* @return javax.swing.JComboBox
210			*/
211			private JComboBox getJComboBox() {
212			if (jComboBox == null) {
213			ArrayList<String> languagesPlusOne = new ArrayList<String>(
214			languages);
215			languagesPlusOne.add("?");
216	alfonx	244
217	keeb	1290	jComboBox = new LanguagesComboBox(languages);
218	alfonx	244
219	keeb	1290	SwingUtil.addMouseWheelForCombobox(jComboBox);
220			jComboBox.addActionListener(new ActionListener() {
221	alfonx	244
222	keeb	1290	public void actionPerformed(final ActionEvent e) {
223			if (jComboBox.getSelectedIndex() == languages.size()) {
224	keeb	1294	getOkButton().setEnabled(false);
225	keeb	1290	return;
226			}
227	alfonx	244
228	keeb	1290	String l = languages.get(jComboBox.getSelectedIndex());
229			try {
230			Translation.setActiveLang(l, setLocale);
231	alfonx	244
232	keeb	1294	getOkButton().setEnabled(true);
233	keeb	1290	} catch (java.lang.IllegalArgumentException ee) {
234			LOGGER.warn("The language " + l + " is not valid", ee);
235	keeb	1294	getOkButton().setEnabled(false);
236	keeb	1290	}
237	alfonx	244
238	keeb	1290	}
239	alfonx	244
240	keeb	1290	});
241			}
242			return jComboBox;
243			}
244	alfonx	244
245	alfonx	607	}