Program Menu

[deAppel]

Code

GeSHi (java):
/*--------------------------------------------------------------------------
// Author List:
//      deAppel					<Creator>
//
// Description:
//	A JFrame with a JMenu and an actionlistener to close the JFrame
// 	and show x rows with String x and reverse a string.
//
// Environment:
//      This software was developed using Eclipse and Java 1.6
//
// Copyright Information:
//      Copyright (C) 2007      <Institution><None>
//		Ark de Appel 			www.engineeringserver.com
//
//----------------------------------------------------------------------*/
 
 
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
 
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextArea;
 
 
public class Test extends JFrame implements ActionListener{
	private JMenuBar mb;
	private JMenu menu;
	private JMenuItem closeFrame, askme, reverse;
	private JTextArea txtArea;
 
	public Test(){
		Container c = getContentPane();
		JPanel p = new JPanel();
 
		mb = new JMenuBar();
		menu = new JMenu("Open");
		askme = new JMenuItem("user input");
		askme.addActionListener(this);
 
		reverse = new JMenuItem("Reverse string");
		reverse.addActionListener(this);
 
		txtArea = new JTextArea("Do something here..\n",10,30);
		txtArea.setEditable(false);
		//txtArea.setVisible(false);
 
		closeFrame = new JMenuItem("Close this frame");
		closeFrame.addActionListener(this);
 
 
		c.add(p);
		p.add(txtArea);
 
		menu.add(askme);
		menu.add(reverse);
		menu.add(closeFrame);
 
		mb.add(menu);
		setJMenuBar(mb);
		setTitle("A Frame");
		setSize(300,300);
		pack();
		setVisible(true);
 
	}
	public static void main(String[] args) {
		new Test();
	}
	public void actionPerformed(ActionEvent e) {
 
		if (e.getSource() == askme){		
			String input = "Number of rows";			
			input = JOptionPane.showInputDialog(input);
			System.out.println(input);
 
			String inputChar = "Character to be printed out..";					
			inputChar = JOptionPane.showInputDialog(inputChar);
			System.out.println("Rows: " + input + "Chars: " + inputChar);
			System.out.println("Generating output..");
			//for(;;) .. figure something on your own..
 
			int printRows = Integer.parseInt(input);
			String extra = inputChar;
			txtArea.setText("Generated output..\n");
			for (int i = 0; i < printRows; i++){
 
				txtArea.append(inputChar + "\n");
				inputChar = inputChar + extra;
				System.out.println(inputChar);
			}
 
		}
 
		if (e.getSource() == closeFrame){
			this.dispose();
			System.out.println("Frame closed!");
 
		}
 
		if (e.getSource() == reverse){
			String inputReverse = "Reverse a string..";			
			inputReverse = JOptionPane.showInputDialog(inputReverse);
			System.out.println(inputReverse);
			//txtArea.append(inputReverse+ " -> " + new StringBuffer(inputReverse).reverse());
			txtArea.setText(inputReverse+ " -> " + new StringBuffer(inputReverse).reverse());
 
			System.out.println(inputReverse+ " reverse -> " + new StringBuffer(inputReverse).reverse());
 
		}
 
	}
}
 
Created by GeSHI 1.0.7.20

possible output:

10
Rows: 10Chars: a
Generating output..
aa
aaa
aaaa
aaaaa
aaaaaa
aaaaaaa
aaaaaaaa
aaaaaaaaa
aaaaaaaaaa
aaaaaaaaaaa

1234567890 -> 0987654321