Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.awt.Component;

import java.awt.event.KeyListener;

public class Main {
    /**
     * Inserts the key listener at the particular index in the listeners' chain.
     *
     * @param component
     * @param l
     * @param index
     */
    public static void insertKeyListener(Component component, KeyListener l, int index) {
        KeyListener[] listeners = component.getKeyListeners();

        for (KeyListener listener : listeners) {
            component.removeKeyListener(listener);
        }

        for (int i = 0; i < listeners.length; i++) {
            KeyListener listener = listeners[i];

            if (index == i) {
                component.addKeyListener(l);
            }

            component.addKeyListener(listener);
        }

        // inex is too large, add to the end.
        if (index > listeners.length - 1) {
            component.addKeyListener(l);
        }
    }
}