Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/**
 * A collection of small utilities for component management and reflection handling.
 * <p/>
 * <hr/> Copyright 2006-2012 Torsten Heup
 * <p/>
 * 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
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * 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 javax.swing.*;

import java.awt.event.HierarchyEvent;
import java.awt.event.HierarchyListener;

public class Main {
    public static void onShown(final JComponent component, final Runnable action) {
        component.addHierarchyListener(new HierarchyListener() {
            public void hierarchyChanged(final HierarchyEvent e) {
                if (e.getComponent() == component && (e.getChangeFlags() & HierarchyEvent.SHOWING_CHANGED) > 0) {
                    if (component.isShowing())
                        action.run();
                }
            }
        });
    }
}