/* Copyright (c) 2006 L. Searchwell. All Rights Reserved. */
import java.awt.*;
//import java.awt.Insets;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
//import javax.swing.text.*;
import java.awt.BorderLayout;
import java.awt.GridLayout;

public class PalindromeGUI extends JFrame {
	private String tempStr = null, result_msg[];
	private Palindrome palind;
	private JLabel message1, message2, message3;
	private JButton clear, check, quit;
	private JCheckBox punctuation_onoff;
	private JTextArea input_textspace, result_textspace;
	//private BorderLayout border_format; //
	private static final int BTN_ROWS = 1, BTN_COLS = /*5*/4, TXT_ROWS = 2, TXT_COLS = 1;
	private GridLayout grid_format;
	private JPanel message_panel, button_panel_South, text_panel;

	PalindromeGUI()
	{
		this(";-)");
	}
	PalindromeGUI(String windowlabel)
	{
		super("Lymon's Palindromes " + (windowlabel != null ? windowlabel : ":-)"));
		setResizable(false);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		result_msg = new String[3];
		result_msg[0] = "";
		result_msg[1] = "Yes, that is a palindrome!";
		result_msg[2] = "That is a not palindrome.";
		palind = new Palindrome();

		//Visible Elements:
		message1 = new JLabel("\tEnter your text below:");
		message2 = new JLabel("Length: " + palind.getInputString().length());
		message3 = new JLabel(result_msg[0]);
		input_textspace = new JTextArea();
		input_textspace.getDocument().addDocumentListener(
				//new DocumentListener() {...
				new myDocListener()
		);
		(result_textspace = new JTextArea()).setEditable(false);
		result_textspace.setBackground(new Color(204, 204, 255));

		(clear = new JButton("Clear")).addActionListener(
				new ActionListener() {
					public void actionPerformed(ActionEvent ae) {
						input_textspace.setText("");
						result_textspace.setText("");
						message3.setText(result_msg[0]);
					}
				});
		clear.setEnabled(false);
		clear.setForeground(Color.GREEN.darker());
		(check = new JButton("Check!")).addActionListener(
				new ActionListener() {
					public void actionPerformed(ActionEvent event) {
						String text = null;
						try {
							if((text = input_textspace.getText()) != null) {
                                if(palind.check(text)) {
                                    result_textspace.setText(/*"That is a palindrome:\n--\n" +*/
                                            palind.getDepuntuatedString());
                                    message3.setText(result_msg[1]);
                                    return;
                                }
                            }
                            result_textspace.setText(/*"That is not a palindrome:\n--\n" +
                                    palind.getInputString() + "\n\n" +*/
                                    palind.getDepuntuatedString());
                            message3.setText(result_msg[2]);
						} catch(NullPointerException npe) {
							return;
						}
						start(text);
					}
				});
		check.setEnabled(false);
		check.setForeground(Color.RED);
		(quit = new JButton("Quit.")).addActionListener(
				new ActionListener() {
					public void actionPerformed(ActionEvent event) {
						System.exit(0);
					}
				});
		quit.setMargin(new Insets(0, 40, 0, 0));

		(punctuation_onoff = new JCheckBox("Ignore Punctuation", true)).addActionListener(
				new ActionListener() {
					public void actionPerformed(ActionEvent event) {
                        palind.IGNORE_PUNCTUATION = punctuation_onoff.isSelected();
					}
				});

		//Formatting Elements:		//Layout Elements:
		getContentPane().setLayout((/*border_format =*/ new BorderLayout()));
		getContentPane().add((message_panel = new JPanel()), BorderLayout.NORTH);
		getContentPane().add((button_panel_South = new JPanel()), BorderLayout.SOUTH);
		getContentPane().add((text_panel = new JPanel()), BorderLayout.CENTER);
		grid_format = new GridLayout(BTN_ROWS, BTN_COLS);
		button_panel_South.setLayout((grid_format /*= new GridLayout(BTN_ROWS, BTN_COLS)*/));
		button_panel_South.add(punctuation_onoff);
		button_panel_South.add(clear);
		button_panel_South.add(check);
		button_panel_South.add(quit);
		message_panel.setLayout(grid_format);
		message_panel.add(message1);
		message3.setBackground(Color.GREEN);
		message3.setForeground(Color.RED);
		message_panel.add(message3);
		message_panel.add(message2);

		input_textspace.setMargin(new Insets(8, 8, 8, 8));
		input_textspace.setLineWrap(true);
		result_textspace.setMargin(new Insets(8, 8, 8, 8));
		result_textspace.setLineWrap(true);
	//	getContentPane().add((text_panel = new JPanel()), BorderLayout.CENTER);

		text_panel.setLayout((new GridLayout(TXT_ROWS, TXT_COLS)));
		text_panel.add(new JScrollPane(input_textspace));
		text_panel.add(new JScrollPane(result_textspace));

		setSize(640, 320);
		setVisible(true);
	}

	public void setTestString()
	{
		;
	}
	
	public void getTestString()
	{
		;
	}
	
	public void start(String s)
	{
		if(palind.check(s))
				result_textspace.setText(palind.getDepuntuatedString());
		else
			;
	}


	private class myDocListener implements DocumentListener
	{
		//new DocumentListener() {
		public void changedUpdate(DocumentEvent de) {
            message3.setText(result_msg[0]);
			if((tempStr = input_textspace.getText()) != null) {
				//System.out.println("changedUpdate!: " + tempStr.length() + " : " + input_textspace.getText());
				if(tempStr.length() <= 0) {
					clear.setEnabled(false);
					check.setEnabled(false);
				} else {
					clear.setEnabled(true);
					check.setEnabled(true);
				}
			}
		}
		public void insertUpdate(DocumentEvent de) {
            message3.setText(result_msg[0]);
			if((tempStr = input_textspace.getText()) != null) {
				message2.setText("Length: " + input_textspace.getText().length());
				//System.out.println("insertUpdate!: " + tempStr.length() + " : " + input_textspace.getText());
				if(tempStr.length() <= 0) {
					clear.setEnabled(false);
					check.setEnabled(false);
				} else {
					clear.setEnabled(true);
					check.setEnabled(true);
				}
			}
		}
		public void removeUpdate(DocumentEvent de) {
            message3.setText(result_msg[0]);
			if((tempStr = input_textspace.getText()) != null) {
				message2.setText("Length: " + input_textspace.getText().length());
				//System.out.println("removeUpdate!: " + tempStr.length() + " : " + input_textspace.getText());
				if(tempStr.length() <= 0) {
					clear.setEnabled(false);
					check.setEnabled(false);
				} else {
					clear.setEnabled(true);
					check.setEnabled(true);
				}
			}
		}
		//}
	}


//	private class myButtonEventListener implements ActionListener
//	{
//		public void actionPerformed(ActionEvent event) {
//			String text = null;
//			if(event.getSource() == clear) {
//				input_textspace.setText("");
//				result_textspace.setText("");
//			} else if(event.getSource() == check) {				
//				try {
//					if((text = input_textspace.getText()) != null) {
//	                    if(palind.check(text)) {
//	                        result_textspace.setText("That is a palindrome:\n--\n" +
//	                                palind.getDepuntuatedString());
//	                        return;
//	                    }
//	                }
//	                result_textspace.setText("That is not a palindrome:\n--\n" +
//	                        palind.getInputString() + "\n\n" +
//	                        palind.getDepuntuatedString());
//				} catch(NullPointerException npe) {
//					return;
//				}
//				start(text);
//			} else if(event.getSource() == quit) {
//				System.exit(0);
//			}
//		}
//	}
}