Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import javax.swing.ComponentInputMap;

import javax.swing.InputMap;
import javax.swing.JComponent;

import javax.swing.JMenuItem;

import javax.swing.KeyStroke;

public class Main {
    public static void addAccelerator(JMenuItem menuItem) {
        updateAccelerator(menuItem, null);
    }

    public static void updateAccelerator(JMenuItem menuItem, KeyStroke oldAccelerator) {
        KeyStroke accelerator = menuItem.getAccelerator();
        if (oldAccelerator != null && oldAccelerator.equals(accelerator)) {
            return;
        }

        InputMap map = menuItem.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
        if (map != null && oldAccelerator != null) {
            map.remove(oldAccelerator);
        }
        if (accelerator != null) {
            if (map == null) {
                map = new ComponentInputMap(menuItem);
                menuItem.setInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW, map);
            }
            map.put(accelerator, "click");
        }
    }
}