quickbutton.java

来自「Java的面向对象数据库系统的源代码」· Java 代码 · 共 52 行

// You can redistribute this software and/or modify it under the terms of
// the Ozone Library License version 1 published by ozone-db.org.
//
// The original code and portions created by SMB are
// Copyright (C) 1997-@year@ by SMB GmbH. All rights reserved.
//
// $Id: QuickButton.java,v 1.1 2003/03/24 08:36:56 per_nyfelt Exp $
package org.ozoneDB.adminGui.widget;

import javax.swing.*;
import java.awt.event.ActionListener;

/**
 *
 * A JButton with some extra constructors making usage more easier
 */
public class QuickButton extends JButton {

    public QuickButton(String text) {
        super();
        this.setText(text);
    }

    public QuickButton(String text, ActionListener ae) {
        this(text);
        addActionListener(ae);
    }

    public void setText(String text) {
        text = extractMnemonic(text);
        super.setText(text);
    }

    private String extractMnemonic(String text) {
        //Locate the '&' character
        int ampersandIndex = text.indexOf("&");

        //If mnemonic indicator return same localized text
        if (ampersandIndex == -1) {
            return text;
        }

        //Delete the '&' character
        text = text.substring(0, ampersandIndex) + text.substring(ampersandIndex + 1);

        //Set the mnemonic with the char after the ampersand
        setMnemonic(text.charAt(ampersandIndex));

        //return the text without the ampersand
        return text;
    }
}