Java Utililty Methods Window

List of utility methods to do Window

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Description

The list of methods to do Window are organized into topic(s).

Method

JFramegetVisibleWindowByName(String name)
Searches for a visible window with the supplied name. 
JFrame result = null;
if (name != null) {
    Frame[] windows = JFrame.getFrames();
    for (Frame window : windows) {
        if (window instanceof JFrame && window.isVisible() && name.equals(window.getName())) {
            result = (JFrame) window;
            break;
return result;
WindowgetWindow(final Object source)
get Window 
if (source instanceof JMenuItem) {
    final JMenuItem menuItem = (JMenuItem) source;
    MenuContainer menuContainer = menuItem.getParent();
    while (menuContainer != null && !(menuContainer instanceof JPopupMenu)) {
        if (menuContainer instanceof MenuItem) {
            menuContainer = ((MenuItem) menuContainer).getParent();
        } else {
            menuContainer = null;
...
JFramegetWindow(String title)
get Window 
return windows.get(title);
RectanglegetWindowNormalBounds(Window window)
Gets Window bounds from the client property 
if (window instanceof JFrame) {
    Object res = ((JFrame) window).getRootPane().getClientProperty(WINDOW_STATE_NORMAL_BOUNDS);
    if (res instanceof Rectangle) {
        return (Rectangle) res;
return null;
StringgetWindowTitle(Window window)
get Window Title 
String title = null;
if (window instanceof JDialog) {
    title = ((JDialog) window).getTitle();
} else if (window instanceof JFrame) {
    title = ((JFrame) window).getTitle();
return title;
StringgetWindowTitle(Window window)
get Window Title 
if (window instanceof JFrame) {
    return ((JFrame) window).getTitle();
if (window instanceof JDialog) {
    return ((JDialog) window).getTitle();
return null;
voidgrowIfNecessary(Window window)
Grows the given Window if its preferred size exceeds its actual size. 
Dimension size = window.getSize();
Dimension pSize = getPreferredSize(window);
window.setSize(Math.max(size.width, pSize.width), Math.max(size.height, pSize.height));
voidhideWaitPane(Window win, Timer timer)
hide Wait Pane 
JPanel pane = new JPanel();
pane.setOpaque(false);
if (win instanceof JFrame) {
    JFrame frame = (JFrame) win;
    frame.setGlassPane(pane);
} else if (win instanceof JDialog) {
    JDialog dialog = (JDialog) win;
    dialog.setGlassPane(pane);
...
voidinstallPrefsHandler(final Preferences prefs, final String name, Window window)
Installs a window preferences handler. 
GraphicsConfiguration conf = window.getGraphicsConfiguration();
Rectangle screenBounds = conf.getBounds();
Insets screenInsets = window.getToolkit().getScreenInsets(conf);
screenBounds.x += screenInsets.left;
screenBounds.y += screenInsets.top;
screenBounds.width -= screenInsets.left + screenInsets.right;
screenBounds.height -= screenInsets.top + screenInsets.bottom;
Dimension preferredSize = window.getPreferredSize();
...
booleanisResizable(Window window)
is Resizable 
JFrame frame = null;
JDialog dialog = null;
if (window instanceof JFrame) {
    frame = (JFrame) window;
    return (frame.isResizable() && (frame.getExtendedState() != JFrame.MAXIMIZED_BOTH));
} else if (window instanceof Dialog) {
    dialog = (JDialog) window;
    return (dialog != null && dialog.isResizable());
...