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RootPaneContainer.java
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1998-06-30
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/*
* @(#)RootPaneContainer.java 1.9 98/04/03
*
* Copyright (c) 1997 Sun Microsystems, Inc. All Rights Reserved.
*
* This software is the confidential and proprietary information of Sun
* Microsystems, Inc. ("Confidential Information"). You shall not
* disclose such Confidential Information and shall use it only in
* accordance with the terms of the license agreement you entered into
* with Sun.
*
* SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
* SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
* IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
* SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
* THIS SOFTWARE OR ITS DERIVATIVES.
*
*/
package com.sun.java.swing;
import java.awt.Component;
import java.awt.Container;
/**
* This interface is implemented by components that have a single
* JRootPane child: JDialog, JFrame, JWindow, JApplet, JInternalFrame.
* The methods in this interface are just <i>covers</i> for the JRootPane
* properties, e.g. <code>getContentPane()</code> is generally implemented
* like this:<pre>
* public Container getContentPane() {
* return getRootPane().getContentPane();
* }
* </pre>
* This interface serves as a <i>marker</i> for Swing GUI builders
* that need to treat components like JFrame, that contain a
* single JRootPane, specially. For example in a GUI builder,
* dropping a component on a RootPaneContainer would be interpreted
* as <code>frame.getContentPane().add(child)</code>.
*
* @see JRootPane
* @see JFrame
* @see JDialog
* @see JWindow
* @see JApplet
* @see JInternalFrame
*
* @version 1.9 04/03/98
*/
public interface RootPaneContainer
{
/**
* Return this component's single JRootPane child. A conventional
* implementation of this interface will have all of the other
* methods indirect through this one. The rootPane has two
* children: the glassPane and the layeredPane.
*
* @return this components single JRootPane child.
* @see JRootPane
*/
JRootPane getRootPane();
/**
* The "contentPane" is the primary container for application
* specific components. Applications should add children to
* the contentPane, set its layout manager, and so on.
* <p>
* The contentPane my not be null.
* <p>
* Generally implemented with
* <code>getRootPane().setContentPane(contentPane);</code>
*
* @exception java.awt.IllegalComponentStateException (a runtime
* exception) if the content pane parameter is null
* @param contentPane the Container to use for the contents of this
* JRootPane
* @see JRootPane#getContentPane
* @see #getContentPane
*/
void setContentPane(Container contentPane);
/**
* Returns the contentPane.
*
* @return the value of the contentPane property.
* @see #setContentPane
*/
Container getContentPane();
/**
* A Container that manages the contentPane and in some cases a menu bar.
* The layeredPane can be used by descendants that want to add a child
* to the RootPaneContainer that isn't layout managed. For example
* an internal dialog or a drag and drop effect component.
* <p>
* The layeredPane may not be null.
* <p>
* Generally implemented with<pre>
* getRootPane().setLayeredPane(layeredPane);</pre>
*
* @exception java.awt.IllegalComponentStateException (a runtime
* exception) if the layered pane parameter is null
* @see #getLayeredPane
* @see JRootPane#getLayeredPane
*/
void setLayeredPane(JLayeredPane layeredPane);
/**
* Returns the layeredPane.
*
* @return the value of the layeredPane property.
* @see #setLayeredPane
*/
JLayeredPane getLayeredPane();
/**
* The glassPane is always the first child of the rootPane
* and the rootPanes layout manager ensures that it's always
* as big as the rootPane. By default it's transparent and
* not visible. It can be used to temporarily grab all keyboard
* and mouse input by adding listeners and then making it visible.
* by default it's not visible.
* <p>
* The glassPane may not be null.
* <p>
* Generally implemented with
* <code>getRootPane().setGlassPane(glassPane);</code>
*
* @see #getGlassPane
* @see JRootPane#setGlassPane
*/
void setGlassPane(Component glassPane);
/**
* Returns the glassPane.
*
* @return the value of the glassPane property.
* @see #setGlassPane
*/
Component getGlassPane();
}