filemenus.java

来自「This is the complete Editor Using java」· Java 代码 · 共 34 行

package com.jeditor;

import java.awt.event.ActionEvent;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.ImageIcon;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JTextArea;

public class FileMenus {
	private static FileMenus INSTANCE = new FileMenus();
	private FileMenus(){}
	public static final FileMenus getInstance() {
		return INSTANCE;
	}
	public static final void destoryInstance() {
		INSTANCE = null;
	}
	public  JMenu openFile(final JTextArea textArea) {
		JMenu mFile = new JMenu("File");
		mFile.setMnemonic('f');
        ImageIcon iconNew = new ImageIcon("file_new.gif");
        Action actionNew = new AbstractAction("New", iconNew) { 
			public void actionPerformed(ActionEvent e) {
				textArea.setText("");
			}
		};
        JMenuItem item =  mFile.add(actionNew); 
		mFile.add(item);
        return mFile;
	}
}