Returns the top visible frame. - Java Swing

Java examples for Swing:JFrame

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Description

Returns the top visible frame.

Demo Code

/**/*from  w w w. j av  a 2  s. c  o  m*/
 * ******************************************************************************************
 * Copyright (C) 2014 - Food and Agriculture Organization of the United Nations (FAO).
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 *    1. Redistributions of source code must retain the above copyright notice,this list
 *       of conditions and the following disclaimer.
 *    2. Redistributions in binary form must reproduce the above copyright notice,this list
 *       of conditions and the following disclaimer in the documentation and/or other
 *       materials provided with the distribution.
 *    3. Neither the name of FAO nor the names of its contributors may be used to endorse or
 *       promote products derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
 * SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,PROCUREMENT
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,STRICT LIABILITY,OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * *********************************************************************************************
 */
//package com.java2s;
import java.awt.Frame;

public class Main {
    /** Returns the top visible frame. */
    public static Frame getTopFrame() {
        Frame[] frames = Frame.getFrames();
        for (int i = 0; i < frames.length; i++) {
            if (frames[i].getFocusOwner() != null) {
                return frames[i];
            }
        }
        if (frames.length > 0) {
            return frames[0];
        }
        return null;
    }
}

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