javax.swing.JPopupMenu#setLightWeightPopupEnabled ( )源码实例Demo

protected void installComponents() {
	field = new JFormattedTextField(createFormatterFactory());
	field.setValue(peer.getDate());
	field.setFocusLostBehavior(peer.getFocusLostBehavior());
	field.setEditable(peer.isFieldEditable());
	field.setToolTipText(peer.getToolTipText());
	// button
	button = new JButton();
	button.setFocusable(false);
	button.setMargin(new Insets(0, 0, 0, 0));
	button.setToolTipText(peer.getToolTipText());

	setSimpeLook(false);
	// calendar
	calendarPane = new CalendarPane(peer.getStyle());
	calendarPane.setShowTodayButton(peer.isShowTodayButton());
	calendarPane.setFocusLostBehavior(JFormattedTextField.REVERT);
	calendarPane.setFocusCycleRoot(true);
	calendarPane.setBorder(BorderFactory.createEmptyBorder(1, 3, 0, 3));
	calendarPane.setStripTime(false);
	calendarPane.setLocale(peer.getLocale());
	calendarPane.setZone(peer.getZone());
	calendarPane.setFocusable(peer.isDropdownFocusable());
	calendarPane.setColorOverrideMap(peer.getColorOverrideMap());
	// popup
	popup = new JPopupMenu();
	popup.setLayout(new BorderLayout());
	popup.add(calendarPane, BorderLayout.CENTER);
	popup.setLightWeightPopupEnabled(true);
	// add
	peer.setLayout(new BorderLayout());

	switch (peer.getPickerStyle()) {
	case DatePicker.PICKER_STYLE_FIELD_AND_BUTTON:
		peer.add(field, BorderLayout.CENTER);
		peer.add(button, BorderLayout.EAST);
		break;
	case DatePicker.PICKER_STYLE_BUTTON:
		peer.add(button, BorderLayout.EAST);
		break;
	}

	peer.revalidate();
	peer.repaint();

	componentListener = new ComponentListener();

	button.addActionListener(componentListener);
	field.addPropertyChangeListener(componentListener);

	calendarPane.addPropertyChangeListener(componentListener);
	calendarPane.addCommitListener(componentListener);
	calendarPane.addActionListener(componentListener);

	peerDateChanged(peer.getDate());
}