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Java Standard Edition (SE)

MetalRootPaneUI


javax.swing.plaf.metal

Class MetalRootPaneUI

  • All Implemented Interfaces:
    PropertyChangeListener, EventListener


    public class MetalRootPaneUI
    extends BasicRootPaneUI
    Provides the metal look and feel implementation of RootPaneUI.

    MetalRootPaneUI provides support for the windowDecorationStyle property of JRootPane. MetalRootPaneUI does this by way of installing a custom LayoutManager, a private Component to render the appropriate widgets, and a private Border. The LayoutManager is always installed, regardless of the value of the windowDecorationStyle property, but the Border and Component are only installed/added if the windowDecorationStyle is other than JRootPane.NONE.

    Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans™ has been added to the java.beans package. Please see XMLEncoder.

    Since:
    1.4
    • 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
      • 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.


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