private static JRadioButton[] buildLangButtons() {
java.util.List<JRadioButton> btns = new java.util.ArrayList<JRadioButton>();
for (Language lng : LANGS) {
JRadioButton btn = new JRadioButton(lng.toString());
btn.setText(lng.toString());
btns.add(btn);
}
final ButtonGroup group = new ButtonGroup();
for (final JRadioButton jrb : btns) {
group.add(jrb);
}
JRadioButton[] res = new JRadioButton[btns.size()];
return btns.toArray(res);
}
/** @author steg */
@SuppressWarnings("serial")
public class LanguageView extends JPanel {
public static final int HORIZONTAL_PANEL = -1;
public static final int VERTICAL_PANEL = 1;
public static final Language[] LANGS = Language.values();
private java.util.List<LanguageListener> langListeners = new ArrayList<LanguageListener>();
private static JRadioButton[] buildLangButtons() {
java.util.List<JRadioButton> btns = new java.util.ArrayList<JRadioButton>();
for (Language lng : LANGS) {
JRadioButton btn = new JRadioButton(lng.toString());
btn.setText(lng.toString());
btns.add(btn);
}
final ButtonGroup group = new ButtonGroup();
for (final JRadioButton jrb : btns) {
group.add(jrb);
}
JRadioButton[] res = new JRadioButton[btns.size()];
return btns.toArray(res);
}
private JRadioButton[] langs = buildLangButtons();
private int selectedIndex = -1;
private void setSelected(int index) {
if (index > -1 && index < langs.length) {
selectedIndex = index;
for (int __i = 0; __i < langs.length; ++__i) {
langs[__i].setSelected(__i == index ? true : false);
}
}
}
private void mapAction() {
for (final JRadioButton btn : langs) {
btn.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent arg0) {
Language lang = Language.valueOf(btn.getText());
setSelected(lang);
for (LanguageListener listener : langListeners) {
listener.actionPerformed(lang);
}
}
});
}
}
private void buildView(int orientation, String title) {
BoxLayout layout =
new BoxLayout(
this, orientation == HORIZONTAL_PANEL ? BoxLayout.LINE_AXIS : BoxLayout.PAGE_AXIS);
this.setLayout(layout);
if (title != null) {
this.setBorder(BorderFactory.createTitledBorder(title));
}
boolean first = true;
for (JRadioButton btn : langs) {
if (first) {
first = false;
} else {
this.add(new JLabel(" "));
}
this.add(btn);
}
}
public LanguageView(int orientation, String title) {
setSelected(0);
mapAction();
buildView(orientation, title);
}
public LanguageView(Language lang, int orientation, String title) {
setSelected(lang);
mapAction();
buildView(orientation, title);
}
public ILanguage getSelected() {
if (selectedIndex < 0) return null;
return LANGS[selectedIndex];
}
public String getSelectedString() {
if (selectedIndex < 0) return null;
return LANGS[selectedIndex].toString();
}
public String getSelectedValue() {
if (selectedIndex < 0) return null;
return LANGS[selectedIndex].getValue();
}
public void setSelected(Language lang) {
if (lang != null) {
setSelected(Arrays.binarySearch(LANGS, lang));
}
}
public void addLanguageSelectionListener(LanguageListener listener) {
langListeners.add(listener);
}
public static LanguageView createHorizontalPanel() {
return new LanguageView(HORIZONTAL_PANEL, null);
}
public static LanguageView createHorizontalPanel(String title) {
return new LanguageView(HORIZONTAL_PANEL, title);
}
public static LanguageView createHorizontalPanel(Language lang) {
return new LanguageView(lang, HORIZONTAL_PANEL, null);
}
public static LanguageView createHorizontalPanel(Language lang, String title) {
return new LanguageView(lang, HORIZONTAL_PANEL, title);
}
public static LanguageView createVerticalPanel() {
return new LanguageView(VERTICAL_PANEL, null);
}
public static LanguageView createVerticalPanel(String title) {
return new LanguageView(VERTICAL_PANEL, title);
}
public static LanguageView createVerticalPanel(Language lang) {
return new LanguageView(lang, VERTICAL_PANEL, null);
}
public static LanguageView createVerticalPanel(Language lang, String title) {
return new LanguageView(lang, VERTICAL_PANEL, title);
}
}