Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

import sun.awt.SunToolkit;

import java.awt.Component;

import javax.swing.JComponent;
import javax.swing.RepaintManager;

public class Main {
    /**
     * The {@code clientProperty} key for delegate {@code RepaintManager}
     */
    private static final Object DELEGATE_REPAINT_MANAGER_KEY = new StringBuilder("DelegateRepaintManagerKey");

    /**
     * Returns delegate {@code RepaintManager} for {@code component} hierarchy.
     */
    public static RepaintManager getDelegateRepaintManager(Component component) {
        RepaintManager delegate = null;
        if (Boolean.TRUE == SunToolkit.targetToAppContext(component).get(DELEGATE_REPAINT_MANAGER_KEY)) {
            while (delegate == null && component != null) {
                while (component != null && !(component instanceof JComponent)) {
                    component = component.getParent();
                }
                if (component != null) {
                    delegate = (RepaintManager) ((JComponent) component)
                            .getClientProperty(DELEGATE_REPAINT_MANAGER_KEY);
                    component = component.getParent();
                }

            }
        }
        return delegate;
    }
}