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	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	private final Vector<String> availLangs = new Vector<String>();
17
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	//
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
71	availLangs.add(I8NUtil.getMultilanguageString(lc));
72	}
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	}
Name	Value
svn:eol-style	native
svn:keywords	Id URL
svn:mime-type	text/plain