Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.awt.Component;
import java.awt.Window;
import java.awt.event.HierarchyEvent;
import java.awt.event.HierarchyListener;
import java.awt.event.WindowListener;
import javax.swing.SwingUtilities;

public class Main {
    /**
     * Adds a listener to the window parent of the given component. Can be
     * before the component is really added to its hierachy.
     * @param source The source component
     * @param listener The listener to add to the window
     */
    public static void addWindowListener(final Component source, final WindowListener listener) {
        if (source instanceof Window) {
            ((Window) source).addWindowListener(listener);
        } else {
            source.addHierarchyListener(new HierarchyListener() {
                @Override
                public void hierarchyChanged(HierarchyEvent e) {
                    if ((e.getChangeFlags() & HierarchyEvent.SHOWING_CHANGED) == HierarchyEvent.SHOWING_CHANGED) {
                        SwingUtilities.getWindowAncestor(source).addWindowListener(listener);
                    }
                }
            });
        }
    }
}