package jove.color4j;

import java.awt.*;
import java.awt.datatransfer.*;
import java.awt.event.*;

import javax.swing.*;
import javax.swing.event.*;

import snoozesoft.systray4j.*;

/**
 * @author Jove
 */
public class Color4jGUI extends JFrame implements SysTrayMenuListener {

    public static void main(String[] args) {
        /*
        使用exe4j來(lái)保證單實(shí)例
        File f = new File("file.lock");
        if (f.exists()) {
        	showMessage("Warning: A instance has existed.");
        	System.exit(0);
        }
        try {
        	f.createNewFile();
        } catch (IOException e) {
        	e.printStackTrace();
        	System.exit(1);
        }
        f.deleteOnExit();
        */
        try {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        } catch (Exception e) {}

        new Color4jGUI().show();
    }

    private static void showMessage(String msg) {
        JFrame dummy = new JFrame("Color4j");
        dummy.setLocation(400, 300);
        dummy.show();
        JOptionPane.showMessageDialog(dummy, msg);
        dummy.dispose();
    }
    private CheckableMenuItem checkMenuUbb, checkMenuAnsi;
    private Color4j color4j;
    private SysTrayMenuIcon icon;
    private Color[] labelColor = { Color.RED, Color.BLUE };

    private String[] labelText =
        {
            "  Press F9 to convert and save result to clipboard",
            "  Press F8 to read data from clipboard and convert" };
    private boolean labelTextFlag = true;
    private SysTrayMenu menu;
    private JRadioButton radioUbb, radioAnsi;

    private Color4jGUI() {
        super("Java Code Formatter");
        setBounds(100, 100, 500, 400);
        addWindowListener(new WindowListener() {
            public void windowActivated(WindowEvent e) {}
            public void windowClosed(WindowEvent e) {}
            public void windowClosing(WindowEvent e) {
                //hide();
                dispose();
                System.exit(0);
            }
            public void windowDeactivated(WindowEvent e) {}
            public void windowDeiconified(WindowEvent e) {}
            public void windowIconified(WindowEvent e) {
                hide();
            }
            public void windowOpened(WindowEvent e) {}
        });

        Container con = getContentPane();
        Box box = Box.createHorizontalBox();
        final JLabel label = new JLabel(labelText[0]);
        label.setForeground(labelColor[0]);
        box.add(label);
        Timer timer = new Timer(5000, new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                if (labelTextFlag) {
                    label.setText(labelText[1]);
                    label.setForeground(labelColor[1]);
                } else {
                    label.setText(labelText[0]);
                    label.setForeground(labelColor[0]);
                }
                labelTextFlag = !labelTextFlag;
            }
        });
        timer.start();
        box.add(Box.createHorizontalGlue());
        radioUbb = new JRadioButton("UBB", true);
        radioAnsi = new JRadioButton("ANSI");
        ChangeListener cListener = new ChangeListener() {
            public void stateChanged(ChangeEvent e) {
                boolean isUbb = radioUbb.isSelected();
                checkMenuUbb.setState(isUbb);
                checkMenuAnsi.setState(!isUbb);
            }
        };
        radioUbb.addChangeListener(cListener);
        radioAnsi.addChangeListener(cListener);
        box.add(radioUbb);
        box.add(radioAnsi);
        box.add(Box.createHorizontalStrut(5));
        ButtonGroup group = new ButtonGroup();
        group.add(radioUbb);
        group.add(radioAnsi);
        con.add(box, BorderLayout.SOUTH);
        final JTextArea textSource = new JTextArea();
        JScrollPane sp = new JScrollPane(textSource);
        JPanel p = new JPanel();
        p.setLayout(new BorderLayout());
        p.setBorder(BorderFactory.createTitledBorder("Source Code"));
        p.add(sp);
        con.add(p);
        color4j = new Color4j();
        KeyListener listener = new KeyAdapter() {
            public void keyPressed(KeyEvent e) {
                if (e.getKeyCode() == KeyEvent.VK_F9) {
                    convert(textSource.getText());
                } else if (e.getKeyCode() == KeyEvent.VK_F8) {
                    convertFromCB();
                }
            }
        };
        textSource.addKeyListener(listener);
        radioAnsi.addKeyListener(listener);
        radioUbb.addKeyListener(listener);

        icon = new SysTrayMenuIcon(getClass().getResource("icon.ico"));
        icon.addSysTrayMenuListener(this);
        createMenu();
    }

    private void convert(String code) {
    	String oldTitle=getTitle();
    	setTitle(oldTitle+" <converting>");
        if (radioUbb.isSelected()) {
            color4j.setStyleSet(StyleSet.UBB);
        } else {
            color4j.setStyleSet(StyleSet.ANSI);
        }
        code = color4j.convert(code);
        Toolkit.getDefaultToolkit().getSystemClipboard().setContents(
            new StringSelection(code),
            null);
        //不再顯示Message	
        //showMessage("data have been sent to system clipboard.");
        setTitle(oldTitle);
    }

    private void convertFromCB() {
        Transferable clip =
            Toolkit.getDefaultToolkit().getSystemClipboard().getContents(null);
        String code = null;
        try {
            code = (String) clip.getTransferData(DataFlavor.stringFlavor);
        } catch (Exception e) {
            e.printStackTrace();
        }
        convert(code);
    }

    private void createMenu() {
        // create an exit item
        SysTrayMenuItem itemExit = new SysTrayMenuItem("Exit", "exit");
        itemExit.addSysTrayMenuListener(this);

        // create an about item
        SysTrayMenuItem itemAbout = new SysTrayMenuItem("About...", "about");
        itemAbout.addSysTrayMenuListener(this);

        SysTrayMenuItem itemConvert =
            new SysTrayMenuItem("Convert code from clipboard", "convert");
        itemConvert.addSysTrayMenuListener(this);

        SubMenu subMenu = new SubMenu("Type");
        checkMenuUbb = new CheckableMenuItem("UBB", "ubb");
        checkMenuUbb.addSysTrayMenuListener(this);
        checkMenuUbb.setState(true);
        checkMenuAnsi = new CheckableMenuItem("Ansi", "ansi");
        checkMenuAnsi.addSysTrayMenuListener(this);
        subMenu.addItem(checkMenuAnsi);
        subMenu.addItem(checkMenuUbb);

        menu = new SysTrayMenu(icon, "Color4j");
        menu.addItem(itemExit);
        menu.addSeparator();
        menu.addItem(itemAbout);
        menu.addSeparator();
        menu.addItem(itemConvert);
        menu.addItem(subMenu);
    }

    public void iconLeftClicked(SysTrayMenuEvent e) {
        if (isVisible()) {
            hide();
        } else {
            show();
            setState(Frame.NORMAL);
            toFront();
        }
    }

    public void iconLeftDoubleClicked(SysTrayMenuEvent e) {}

    public void menuItemSelected(SysTrayMenuEvent e) {
        if (e.getActionCommand().equals("exit"))
            System.exit(0);
        else if (e.getActionCommand().equals("about")) {
            JOptionPane.showMessageDialog(
                this,
                "Color4j. \nWith SysTray for Java v" + SysTrayMenu.VERSION);
        } else if (e.getActionCommand().equals("ubb")) {
            checkMenuUbb.setState(true);
            checkMenuAnsi.setState(false);
            radioUbb.setSelected(true);
        } else if (e.getActionCommand().equals("ansi")) {
            checkMenuUbb.setState(false);
            checkMenuAnsi.setState(true);
            radioAnsi.setSelected(true);
        } else if (e.getActionCommand().equals("convert")) {
            convertFromCB();
        } else
            JOptionPane.showMessageDialog(this, e.getActionCommand());
    }
}