Java javax.swing.plaf.metal Class MetalRootPaneUI（JDK8）

Constructor Detail

• MetalRootPaneUI

  public MetalRootPaneUI()

Method Detail

• createUI

  public static ComponentUI createUI(JComponent c)

  Creates a UI for a JRootPane.

  Parameters:

  c - the JRootPane the RootPaneUI will be created for

  Returns:

  the RootPaneUI implementation for the passed in JRootPane

• installUI

  public void installUI(JComponent c)

  Invokes supers implementation of installUI to install the necessary state onto the passed in JRootPane to render the metal look and feel implementation of RootPaneUI. If the windowDecorationStyle property of the JRootPane is other than JRootPane.NONE, this will add a custom Component to render the widgets to JRootPane, as well as installing a custom Border and LayoutManager on the JRootPane.

  Overrides:

  installUI in class BasicRootPaneUI

  Parameters:

  c - the JRootPane to install state onto

  See Also:

  ComponentUI.uninstallUI(javax.swing.JComponent), JComponent.setUI(javax.swing.plaf.ComponentUI), JComponent.updateUI()

• uninstallUI

  public void uninstallUI(JComponent c)

  Invokes supers implementation to uninstall any of its state. This will also reset the LayoutManager of the JRootPane. If a Component has been added to the JRootPane to render the window decoration style, this method will remove it. Similarly, this will revert the Border and LayoutManager of the JRootPane to what it was before installUI was invoked.

  Overrides:

  uninstallUI in class BasicRootPaneUI

  Parameters:

  c - the JRootPane to uninstall state from

  See Also:

  ComponentUI.installUI(javax.swing.JComponent), JComponent.updateUI()

• propertyChange

  public void propertyChange(PropertyChangeEvent e)

  Invoked when a property changes. MetalRootPaneUI is primarily interested in events originating from the JRootPane it has been installed on identifying the property windowDecorationStyle. If the windowDecorationStyle has changed to a value other than JRootPane.NONE, this will add a Component to the JRootPane to render the window decorations, as well as installing a Border on the JRootPane. On the other hand, if the windowDecorationStyle has changed to JRootPane.NONE, this will remove the Component that has been added to the JRootPane as well resetting the Border to what it was before installUI was invoked.

  Specified by:

  propertyChange in interface PropertyChangeListener

  Overrides:

  propertyChange in class BasicRootPaneUI

  Parameters:

  e - A PropertyChangeEvent object describing the event source and the property that has changed.