@Override
public JPopupMenu getComponentPopupMenu() {
if (popupMenu == null) {
popupMenu = new JPopupMenu(Messages.CHART_COLON);
timeRangeMenu = new JMenu(Messages.PLOTTER_TIME_RANGE_MENU);
timeRangeMenu.setMnemonic(Resources.getMnemonicInt(Messages.PLOTTER_TIME_RANGE_MENU));
popupMenu.add(timeRangeMenu);
menuRBs = new JRadioButtonMenuItem[rangeNames.length];
ButtonGroup rbGroup = new ButtonGroup();
for (int i = 0; i < rangeNames.length; i++) {
menuRBs[i] = new JRadioButtonMenuItem(rangeNames[i]);
rbGroup.add(menuRBs[i]);
menuRBs[i].addActionListener(this);
if (viewRange == rangeValues[i]) {
menuRBs[i].setSelected(true);
}
timeRangeMenu.add(menuRBs[i]);
}
popupMenu.addSeparator();
saveAsMI = new JMenuItem(Messages.PLOTTER_SAVE_AS_MENU_ITEM);
saveAsMI.setMnemonic(Resources.getMnemonicInt(Messages.PLOTTER_SAVE_AS_MENU_ITEM));
saveAsMI.addActionListener(this);
popupMenu.add(saveAsMI);
}
return popupMenu;
}
/** Code completion. */
private void complete() {
if (selected()) return;
// find first character
final int caret = editor.pos(), startPos = editor.completionStart();
final String prefix = string(substring(editor.text(), startPos, caret));
if (prefix.isEmpty()) return;
// find insertion candidates
final TreeMap<String, String> tmp = new TreeMap<>();
for (final Entry<String, String> entry : REPLACE.entrySet()) {
final String key = entry.getKey();
if (key.startsWith(prefix)) tmp.put(key, entry.getValue());
}
if (tmp.size() == 1) {
// insert single candidate
complete(tmp.values().iterator().next(), startPos);
} else if (!tmp.isEmpty()) {
// show popup menu
final JPopupMenu pm = new JPopupMenu();
final ActionListener al =
new ActionListener() {
@Override
public void actionPerformed(final ActionEvent ae) {
complete(ae.getActionCommand().replaceAll("^.*?\\] ", ""), startPos);
}
};
for (final Entry<String, String> entry : tmp.entrySet()) {
final JMenuItem mi = new JMenuItem("[" + entry.getKey() + "] " + entry.getValue());
pm.add(mi);
mi.addActionListener(al);
}
pm.addSeparator();
final JMenuItem mi = new JMenuItem(Text.INPUT + Text.COLS + prefix);
mi.setEnabled(false);
pm.add(mi);
final int[] cursor = rend.cursor();
pm.show(this, cursor[0], cursor[1]);
// highlight first entry
final MenuElement[] me = {pm, (JMenuItem) pm.getComponent(0)};
MenuSelectionManager.defaultManager().setSelectedPath(me);
}
}