skrueger/i8n/LanguagesComboBox.java

package skrueger.i8n;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Vector;

import javax.swing.DefaultComboBoxModel;
import javax.swing.JComboBox;

/**
 * A JComboBox that shows the user a list of languages
 */
public class LanguagesComboBox extends JComboBox {

        private final Vector<String> availLangs = new Vector<String>();

        public LanguagesComboBox() {
                super();
        }

        /**
         * Create a ComboBox with the given langauges as options
         */
        public LanguagesComboBox(Collection<String> langCodes) {
                this();
                updateModel(langCodes, null);
        }

        /**
         * Create a ComboBox with the given languages as options, excluding the
         * second parameter.
         * 
         * @param langCodes
         *            If <code>null</code>, {@link I8NUtil#getLanguageCodes()} will
         *            be used
         */
        public LanguagesComboBox(Collection<String> langCodes,
                        Collection<String> langCodesNotOffer) {
                this();
                updateModel(langCodes, langCodesNotOffer);
        }

        public void updateModel(Collection<String> langCodes,
                        Collection<String> langCodesNotOffer) {

                if (langCodes == null) {
                        langCodes = I8NUtil.getLanguageCodes();
                }

                if (langCodesNotOffer != null) {
                        langCodes = new ArrayList<String>(langCodes);
                        langCodes.removeAll(langCodesNotOffer);
                }

                availLangs.clear();

                for (String lc : langCodes) {
                        //
                        // if (I8NUtil.isValidISOLangCode(lc)) {
                        // Locale locale = I8NUtil.getFirstLocaleForLang(lc);
                        // availLangs.add(locale.getDisplayLanguage() + " / "
                        // + locale.getDisplayLanguage(locale) + " " + lc);
                        // } else if (I8NUtil.isPropertiesLanguage(lc)) {
                        //
                        // PropertiesLocale pl = I8NUtil.propLocales.get(lc);
                        // availLangs.add(pl.getDisplayLanguage() + " / "
                        // + pl.getDisplayLanguage(lc) + " " + lc);
                        // }

                        availLangs.add(I8NUtil.getMultilanguageString(lc));
                }

                Collections.sort(availLangs);

                setModel(new DefaultComboBoxModel(availLangs));
                setSelectedIndex(-1);
                repaint();
        }

        public String getSelectedLanguage() {
                if (getSelectedIndex() < 0)
                        return null;
                String langDescription = availLangs.get(getSelectedIndex());

                return langDescription.substring(langDescription.lastIndexOf(" "))
                                .trim();
        }

}
1	alfonx	1150	package skrueger.i8n;
2
3			import java.util.ArrayList;
4			import java.util.Collection;
5			import java.util.Collections;
6			import java.util.Vector;
7
8			import javax.swing.DefaultComboBoxModel;
9			import javax.swing.JComboBox;
10
11			/**
12			* A JComboBox that shows the user a list of languages
13			*/
14			public class LanguagesComboBox extends JComboBox {
15
16	alfonx	1373	private final Vector<String> availLangs = new Vector<String>();
17	alfonx	1150
18			public LanguagesComboBox() {
19			super();
20			}
21
22			/**
23			* Create a ComboBox with the given langauges as options
24			*/
25			public LanguagesComboBox(Collection<String> langCodes) {
26			this();
27			updateModel(langCodes, null);
28			}
29
30			/**
31			* Create a ComboBox with the given languages as options, excluding the
32			* second parameter.
33			*
34			* @param langCodes
35			* If <code>null</code>, {@link I8NUtil#getLanguageCodes()} will
36			* be used
37			*/
38			public LanguagesComboBox(Collection<String> langCodes,
39			Collection<String> langCodesNotOffer) {
40			this();
41			updateModel(langCodes, langCodesNotOffer);
42			}
43
44			public void updateModel(Collection<String> langCodes,
45			Collection<String> langCodesNotOffer) {
46
47			if (langCodes == null) {
48			langCodes = I8NUtil.getLanguageCodes();
49			}
50
51			if (langCodesNotOffer != null) {
52			langCodes = new ArrayList<String>(langCodes);
53			langCodes.removeAll(langCodesNotOffer);
54			}
55
56			availLangs.clear();
57
58			for (String lc : langCodes) {
59	alfonx	1373	//
60			// if (I8NUtil.isValidISOLangCode(lc)) {
61			// Locale locale = I8NUtil.getFirstLocaleForLang(lc);
62			// availLangs.add(locale.getDisplayLanguage() + " / "
63			// + locale.getDisplayLanguage(locale) + " " + lc);
64			// } else if (I8NUtil.isPropertiesLanguage(lc)) {
65			//
66			// PropertiesLocale pl = I8NUtil.propLocales.get(lc);
67			// availLangs.add(pl.getDisplayLanguage() + " / "
68			// + pl.getDisplayLanguage(lc) + " " + lc);
69			// }
70	alfonx	1150
71	alfonx	1373	availLangs.add(I8NUtil.getMultilanguageString(lc));
72	alfonx	1150	}
73
74			Collections.sort(availLangs);
75
76			setModel(new DefaultComboBoxModel(availLangs));
77			setSelectedIndex(-1);
78			repaint();
79			}
80
81			public String getSelectedLanguage() {
82			if (getSelectedIndex() < 0)
83			return null;
84			String langDescription = availLangs.get(getSelectedIndex());
85
86			return langDescription.substring(langDescription.lastIndexOf(" "))
87			.trim();
88			}
89
90			}
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