Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/*
 * Copyright 2002-2016 Jalal Kiswani.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.awt.Container;

import java.awt.Window;

import javax.swing.JComponent;

public class Main {
    /**
     * Checks if is visible on screen.
     *
     * @param component
     *            the component
     * @return true, if is visible on screen
     */
    public static boolean isVisibleOnScreen(final JComponent component) {
        final Window window = getWindow(component);
        if (window != null) {
            return window.isVisible();
        }
        return false;
    }

    private static Window getWindow(final JComponent comp) {
        if (comp.getRootPane() != null) {
            final Container cont = comp.getRootPane().getParent();
            if (cont != null) {
                if (cont instanceof Window) {
                    return (Window) cont;
                }
            }
        }
        return null;
    }
}