javax.swing.JSeparator#setVisible ( )源码实例Demo

static void checkSeparators(Component[] menuones, JPopupMenu parent) {
    boolean wasSeparator = false;
    for (int i = 0; i < menuones.length; i++) {
        Component curItem = menuones[i];
        if (curItem != null) {
            boolean isSeparator = curItem instanceof JSeparator;
            if (isSeparator) {
                boolean isVisible = curItem.isVisible();
                if (isVisible != !wasSeparator) {
                    //MACOSX whenever a property like enablement or visible is changed, need to remove and add.
                    // could be possibly split to work differetly on other platform..
                    parent.remove(i);
                    JSeparator newOne = createSeparator();
                    newOne.setVisible(!wasSeparator);
                    parent.add(newOne, i);
                }
            }
            if (!(curItem instanceof InvisibleMenuItem)) {
                wasSeparator = isSeparator;
            }
        }
    }
}
 

/**
 * Creates a indicator for activation of beta features.
 */
BetaFeaturesIndicator() {
	separator = new JSeparator(JSeparator.VERTICAL);
	modeLabel = new ResourceLabel("setting.activated_beta_features");
	modeLabel.setFont(modeLabel.getFont().deriveFont(Font.BOLD));
	modeLabel.setForeground(ICON_COLOR);
	modeLabel.addMouseListener(new MouseAdapter() {

		@Override
		public void mouseClicked(MouseEvent e) {
			showBetaBubble();
		}
	});

	ParameterService.registerParameterChangeListener(betaFeaturesListener);
	if (Boolean.parseBoolean(ParameterService.getParameterValue(RapidMiner.PROPERTY_RAPIDMINER_UPDATE_BETA_FEATURES))) {
		modeLabel.setVisible(true);
		separator.setVisible(true);
	} else {
		modeLabel.setVisible(false);
		separator.setVisible(false);
	}
}
 

private void installCustomizations(QOptionPane optionPane) {
	JLabel iconLabel = getIconLabel(optionPane);
	JTextArea mainText = getMainMessageTextArea(optionPane);
	JTextArea secondaryText = getSecondaryMessageTextArea(optionPane);
	JPanel footerContainer = getFooterContainer(optionPane);
	JSeparator footerSeparator = getFooterSeparator(optionPane);
	JPanel upperBody = getUpperBody(optionPane);

	installBorder(footerContainer,
			getInsets(optionPane, KEY_FOOTER_INSETS), new Color(0xffDDDDDD));
	installBorder(upperBody, getInsets(optionPane, KEY_UPPER_BODY_INSETS),
			new Color(0xDDffDD));
	installBorder(iconLabel, getInsets(optionPane, KEY_ICON_INSETS),
			new Color(0xffDDff));
	installBorder(mainText, getInsets(optionPane, KEY_MAIN_MESSAGE_INSETS),
			new Color(0xDDDDff));
	installBorder(secondaryText,
			getInsets(optionPane, KEY_SECONDARY_MESSAGE_INSETS), new Color(
					0xDDffff));

	Color separatorColor = getColor(optionPane, KEY_FOOTER_SEPARATOR_COLOR);
	footerSeparator.setVisible(separatorColor != null);
	footerSeparator.setUI(new LineSeparatorUI(separatorColor));

	mainText.setFont(getFont(optionPane, KEY_MAIN_MESSAGE_FONT));
	secondaryText.setFont(getFont(optionPane, KEY_SECONDARY_MESSAGE_FONT));
	mainText.setForeground(getColor(optionPane, KEY_MAIN_MESSAGE_COLOR));
	secondaryText.setForeground(getColor(optionPane,
			KEY_SECONDARY_MESSAGE_COLOR));
	mainText.setDisabledTextColor(getColor(optionPane,
			KEY_MAIN_MESSAGE_COLOR));
	secondaryText.setDisabledTextColor(getColor(optionPane,
			KEY_SECONDARY_MESSAGE_COLOR));

	updateMainMessage(optionPane);
	updateSecondaryMessage(optionPane);
	updateFooter(optionPane);
}