// ////////////////////////////////////////////////////////////////////////////
   // dexterIM - Instant Messaging Framework
   // Copyright (C) 2003 Christoph Walcher
   //
   // This program is free software; you can redistribute it and/or modify
   // it under the terms of the GNU General Public License as published by
   // the Free Software Foundation; either version 2 of the License, or
   // (at your option) any later version.
   //
  // This program is distributed in the hope that it will be useful,
  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  // GNU General Public License for more details.
  //
  // You should have received a copy of the GNU General Public License
  // along with this program; if not, write to the Free Software
  // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  //////////////////////////////////////////////////////////////////////////////
  package net.sf.dexterim.ui;
  
  import java.awt.BorderLayout;
  import java.awt.event.ActionEvent;
  import java.awt.event.WindowAdapter;
  import java.awt.event.WindowEvent;
  import java.beans.XMLDecoder;
  import java.beans.XMLEncoder;
  import java.io.BufferedInputStream;
  import java.io.File;
  import java.io.FileInputStream;
  import java.io.FileNotFoundException;
  import java.io.FileOutputStream;
  import java.io.IOException;
  
  import javax.swing.AbstractAction;
  import javax.swing.ButtonGroup;
  import javax.swing.JButton;
  import javax.swing.JComponent;
  import javax.swing.JFileChooser;
  import javax.swing.JFrame;
  import javax.swing.JMenu;
  import javax.swing.JMenuBar;
  import javax.swing.JMenuItem;
  import javax.swing.JRadioButton;
  import javax.swing.JScrollPane;
  import javax.swing.JSplitPane;
  import javax.swing.JTextArea;
  import javax.swing.JToolBar;
  import javax.swing.UIManager;
  import javax.swing.UnsupportedLookAndFeelException;
  
  import net.sf.dexterim.codec.HexPrinter;
  import net.sf.dexterim.oscar.OscarByteBuffer;
  
  /***
   * @author christoph
   */
  public class HexUI extends JFrame {
  
  	private JTextArea inputArea;
  	private JTextArea outputArea;
  	private JRadioButton numberConvert;
  	private JRadioButton stringConvert;
  
  	private HexModel model;
  	private JFilterManager filterManager;
  	
  	public HexUI() {
  		super("Hex String Converter");
  
  		this.model = createHexModel();
  		
  		JSplitPane pane = new JSplitPane(JSplitPane.VERTICAL_SPLIT);
  		
  		this.inputArea = createTextArea();
  		pane.add(new JScrollPane(inputArea), JSplitPane.TOP);
  
  		this.outputArea = createTextArea();
  		pane.add(new JScrollPane(outputArea), JSplitPane.BOTTOM);
  
  		this.filterManager = new JFilterManager(JSplitPane.VERTICAL_SPLIT);
  		this.filterManager.setModel(model);
  
  		JSplitPane horizontalSplit = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT);
  		horizontalSplit.setLeftComponent(pane);
  		horizontalSplit.setRightComponent(filterManager);
  		
  		this.getContentPane().add(horizontalSplit, BorderLayout.CENTER);
  
  		getContentPane().add(createControls(), BorderLayout.NORTH);
  
  		this.setDefaultCloseOperation(HIDE_ON_CLOSE);
  
  		this.addWindowListener(new WindowAdapter() {
  			
  			/***
  			 * @see java.awt.event.WindowAdapter#windowClosed(java.awt.event.WindowEvent)
  			 */
  			public void windowClosing(WindowEvent e) {
  				String userHome = System.getProperty("user.home");
 				
 				File f = new File(userHome + File.separator + ".hexui");
 				
 				try {
 					XMLEncoder enc = new XMLEncoder(new FileOutputStream(f));
 					enc.writeObject(model);
 					enc.close();
 				}
 				catch (FileNotFoundException e1) {
 					e1.printStackTrace();
 				}
 				finally {
 					System.exit(0);
 				}
 			}
 		});
 		
 		this.setJMenuBar(createJMenuBar());
 	}
 
 	/***
 	 * @return
 	 */
 	private JTextArea createTextArea() {
 		return new JTextArea(6, 40);
 	}
 
 	/***
 	 * @return
 	 */
 	protected JComponent createControls() {
 		JToolBar controls = new JToolBar();
 
 		ButtonGroup group = new ButtonGroup();
 
 		stringConvert = new JRadioButton("String");
 		stringConvert.setSelected(true);
 		group.add(stringConvert);
 		controls.add(stringConvert);
 
 		numberConvert = new JRadioButton("Number");
 		group.add(numberConvert);
 		controls.add(numberConvert);
 
 		controls.add(new JButton(new ConvertAction()));
 		return controls;
 	}
 
 	/***
 	 * @return
 	 */
 	protected JMenuBar createJMenuBar() {
 		JMenuBar menuBar = new JMenuBar();
 
 		JMenu menu = new JMenu("File");
 		JMenuItem open = new JMenuItem(new OpenAction());
 
 		menu.add(open);
 		menuBar.add(menu);
 		return menuBar;
 	}
 
 	/***
 	 * @return
 	 */
 	protected HexModel createHexModel() {
 		return new BasicHexModel();
 	}
 
 	public HexModel getModel() {
 		return model;
 	}
 	
 	/***
 	 *  
 	 */
 	protected void convert() {
 		String text = inputArea.getText();
 		
 		model.setText(text);
 		String filteredText = model.filterText();
 		
 		String result;
 
 		if (stringConvert.isSelected()) {
 			result = HexPrinter.convertString(filteredText);
 		}
 		else {
 			result = HexPrinter.convertNumber(filteredText);
 		}
 
 		outputArea.setText(result);
 	}
 
 	public static void main(String[] args) {
 
 		try {
 			UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
 		}
 		catch (ClassNotFoundException e) {
 			e.printStackTrace();
 		}
 		catch (InstantiationException e) {
 			e.printStackTrace();
 		}
 		catch (IllegalAccessException e) {
 			e.printStackTrace();
 		}
 		catch (UnsupportedLookAndFeelException e) {
 			e.printStackTrace();
 		}
 
 		HexUI ui = new HexUI();
 		
 		String userHome = System.getProperty("user.home");
 		
 		File f = new File(userHome + File.separator + ".hexui");
 		
 		try {
 			XMLDecoder dec = new XMLDecoder(new FileInputStream(f));
 			ui.setModel((HexModel)dec.readObject());
 			dec.close();
 		}
 		catch (FileNotFoundException e1) {
 			e1.printStackTrace();
 		}
 		
 		ui.pack();
 		ui.show();
 	}
 	
 	/***
 	 * @param model
 	 */
 	private void setModel(HexModel model) {
 		this.model = model;
 		
 		this.filterManager.setModel(model);
 	}
 
 	private class ConvertAction extends AbstractAction {
 
 		public ConvertAction() {
 			super("Convert");
 		}
 		
 		public void actionPerformed(ActionEvent evt) {
 			convert();
 		}
 	}
 	
 	private class OpenAction extends AbstractAction {
 
 		public OpenAction() {
 			super("Open");
 		}
 		
 		public void actionPerformed(ActionEvent e) {
 			JFileChooser chooser = new JFileChooser();
 
 			if (chooser.showOpenDialog(HexUI.this) == JFileChooser.APPROVE_OPTION) {
 
 				BufferedInputStream inputStream;
 				try {
 					inputStream = new BufferedInputStream(new FileInputStream(chooser
 							.getSelectedFile()));
 
 					OscarByteBuffer byteBuffer = OscarByteBuffer.dynamic();
 
 					int in = -1;
 
 					while ((in = inputStream.read()) != -1) {
 						byteBuffer.write((byte) in);
 					}
 
 					HexUI.this.inputArea.setText(HexPrinter.format(byteBuffer.slice()));
 				}
 				catch (FileNotFoundException fex) {
 					fex.printStackTrace();
 				}
 				catch (IOException ioex) {
 					ioex.printStackTrace();
 				}
 			}
 		}
 
 	}
 }