Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/*
 * www.javagl.de - Swing Task Utilities
 *
 * Copyright (c) 2013-2015 Marco Hutter - http://www.javagl.de
 * 
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 * 
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

import java.awt.Frame;
import java.awt.Window;

import javax.swing.JFrame;

public class Main {
    /**
     * Utility method that finds the first focused frame. If no frame
     * is focused, then the first visible frame will be returned. 
     * If no frame is visible, then the first frame created by this
     * application will be returned. If no frame was created yet,
     * then <code>null</code> will be returned.
     *  
     * @return The potential parent window for a dialog
     */
    static Window findParentWindow() {
        Frame frames[] = JFrame.getFrames();
        if (frames.length == 0) {
            return null;
        }
        for (Frame f : frames) {
            if (f.isFocused()) {
                return f;
            }
        }
        for (Frame f : frames) {
            if (f.isShowing()) {
                return f;
            }
        }
        return frames[0];
    }
}