Java JComponent Container findRootPaneContainer(Component root)

Description

Finds the nearest RootPaneContainer of the provided Component.

License

Open Source License

Parameter

Parameter	Description
root	the Component

Return

a RootPaneContainer for the provided component

Declaration

public static RootPaneContainer findRootPaneContainer(Component root) 

Method Source Code

//package com.java2s;
/*// www.  j av a 2 s .  c  o m
 * Copyright (C) 2009 Illya Yalovyy
 * Use is subject to license terms.
 */

import java.awt.Component;

import javax.swing.JPopupMenu;
import javax.swing.RootPaneContainer;

public class Main {
    /**
     * Finds the nearest RootPaneContainer of the provided Component. 
     * Primarily, if a JPopupMenu (such as used by JMenus when they are visible) has no parent,
     * the search continues with the JPopupMenu's invoker instead. Fixes BSAF-77
     * 
     * @return a RootPaneContainer for the provided component
     * @param root the Component
     */
    public static RootPaneContainer findRootPaneContainer(Component root) {
        while (root != null) {
            if (root instanceof RootPaneContainer) {
                return (RootPaneContainer) root;
            } else if (root instanceof JPopupMenu && root.getParent() == null) {
                root = ((JPopupMenu) root).getInvoker();
            } else {
                root = root.getParent();
            }
        }
        return null;
    }
}

Related

1. centerOnComponet(Window target, JComponent parent)
2. checkComponents(final Component _rootComponent, final String _print, final int _currentColumn, final int _currentRow)
3. findMainRootPane(Component component)
4. findRootPane(Component component)
5. findRootPaneContainer(Component c)
6. findRootPaneContainer(final Component source)
7. getActiveRectangle(JComponent c)
8. getAllJComponents(Container container, Collection collection)
9. getAncestorOfType(JComponent component, Class type)