private void initActions() {
@NonNls InputMap inputMap = getInputMap(WHEN_FOCUSED);
inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_DOWN, 0, false), "moveFocusDown");
inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_UP, 0, false), "moveFocusUp");
inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_LEFT, 0, false), "collapse");
inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_RIGHT, 0, false), "expand");
@NonNls ActionMap actionMap = getActionMap();
actionMap.put("moveFocusDown", new MoveFocusAction(true));
actionMap.put("moveFocusUp", new MoveFocusAction(false));
actionMap.put("collapse", new ExpandAction(false));
actionMap.put("expand", new ExpandAction(true));
}
private void updateMnemonic(int lastMnemonic, int mnemonic) {
if (mnemonic == lastMnemonic) {
return;
}
InputMap windowInputMap = SwingUtilities.getUIInputMap(this, JComponent.WHEN_IN_FOCUSED_WINDOW);
int mask = SystemInfo.isMac ? InputEvent.ALT_MASK | InputEvent.CTRL_MASK : InputEvent.ALT_MASK;
if (lastMnemonic != 0 && windowInputMap != null) {
windowInputMap.remove(KeyStroke.getKeyStroke(lastMnemonic, mask, false));
}
if (mnemonic != 0) {
if (windowInputMap == null) {
windowInputMap = new ComponentInputMapUIResource(this);
SwingUtilities.replaceUIInputMap(this, JComponent.WHEN_IN_FOCUSED_WINDOW, windowInputMap);
}
windowInputMap.put(KeyStroke.getKeyStroke(mnemonic, mask, false), "doClick");
}
}