package org.vmasterdiff.gui;

import org.swing.GraphPaperLayout;
import org.swing.GraphPaperConstraints;
import org.swing.PaneConstraints;
import org.swing.JPanesContainer;
import org.swing.JDragPane;

import org.dhiller.presentation.gui.*;
import org.dhiller.common.Tools;
import org.dhiller.adapters.event.Adapter;
import org.vmasterdiff.lib.*;
import org.vmasterdiff.gui.swing.*;

/**
 *  FILL IN JAVADOC HERE
 */
/*  <code></code> should be put around any references to a class, interface, or method
 *  {@link reference alternate-text} An inline reference used in your description of a
 *  class or description of a method.
 *  <p> a paragraph break
 *
 * @author $Author: deanhiller $
 * @version $Revision: 1.1 $ $Date: 2002/08/13 12:34:45 $
 * @since $ProductVersion$
 * @website http://sourceforge.net/projects/vmaster
 * @deprecated
 * @see reference alternative-text
 * A reference is any of the following...
 *		package					packageName
 *		Class					packageName.ClassName
 *		InnerClass				packageName.ClassName.InnerClassName
 *		Method in other class	packageName.ClassName#methodName(type1, type2,...)
 *		Field in other class	packageName.ClassName#fieldName
 *		Method in this class	#methodName(type1, type2, ...)
 *		Field in this class		#fieldName
 * where each type is
 *      type1				packageName.ClassName
 */
public class DiffMainView extends WindowView
{
	private final static String className = DiffMainView.class.getName();
	private final static Logger log = Logger.getLogger(className);

	private JPanesContainer panesCont;

	protected static Adapter adapter = new Adapter(
						new Class[] {WindowListener.class, ActionListener.class, 
									FileSelectionListener.class});

	/**
	 *  FILL IN JAVADOC HERE
	 */
	/*  @param  paramName description(JAVADOC input paramter here)
	 *  @return description          (JAVADOC return value here)
	 *  @throws exception description(JAVADOC throws method here)
	 *  @see reference alternative-text(JAVADOC references here)
	 */
	protected String getClassName()
	{	return className;	}

	public void addComponents(JFrameJDialog f)
	{
		f.setLocation(150,150);
		f.setSize(500, 400);
		Container cont = f.getContentPane();
		cont.setLayout(new BorderLayout());

		panesCont = new JPanesContainer();
		cont.add(panesCont, BorderLayout.CENTER);

		//setup menus and toolbars
		addMenu(f);	
		JDragPane pane = new JDragPane();
		JDragPane pane2 = new JDragPane();
		
		JDiffToolBar     toolBar1 = new JDiffToolBar();
		JSettingsToolBar toolBar2 = new JSettingsToolBar();

		pane.add(toolBar1);
		pane2.add(toolBar2);
		panesCont.add(pane,  new PaneConstraints(PaneConstraints.NORTH,0));
		panesCont.add(pane2, new PaneConstraints(PaneConstraints.NORTH,0,1));

		adapter.registerEventHandler(toolBar1.getDiff2Button(),	
									"actionPerformed", this, "onDiff2Files");
		adapter.registerEventHandler(toolBar1.getDiff3Button(),
									"actionPerformed", this, "onNotImplemented");
		adapter.registerEventHandler(toolBar1.getDiff2DirButton(),
									"actionPerformed", this, "onDiff2Dirs");
		adapter.registerEventHandler(toolBar1.getDiff3DirButton(),
									"actionPerformed", this, "onNotImplemented");
		adapter.registerEventHandler(toolBar1.getMerge2Button(),
									"actionPerformed", this, "onNotImplemented");
		adapter.registerEventHandler(toolBar1.getMerge3Button(),
									"actionPerformed", this, "onNotImplemented");
	}

	public void addMenu(JFrameJDialog frame)
	{
		JMenuBar menuBar = new JMenuBar();
		frame.setJMenuBar(menuBar);

		//**************FILE MENU**********************************
		JMenu fileMenu = new JMenu(bundle.getString("menu.file.title"));
		menuBar.add(fileMenu);

		JMenuItem exit = new JMenuItem(bundle.getString("menu.file.exit"));
		fileMenu.add(exit);
		adapter.registerEventHandler(exit, "actionPerformed", this, "onExitWindow");

		//**************VIEW MENU*********************************
		JMenu adminMenu = new JMenu(bundle.getString("menu.view.title"));
		menuBar.add(adminMenu);

		JMenuItem mdisdi = new JMenuItem(bundle.getString("menu.view.mdi-sdi"));
		adminMenu.add(mdisdi);
		adapter.registerEventHandler(mdisdi, "actionPerformed", this, "onNotImplemented");

		//**************DIFF MENU*****************************
		JMenu diffMenu = new JMenu(bundle.getString("menu.diff.title"));
		menuBar.add(diffMenu);

		JMenuItem diff2    = new JMenuItem(bundle.getString("menu.diff.diff2"));
		JMenuItem diff3    = new JMenuItem(bundle.getString("menu.diff.diff3"));
		JMenuItem diff2Dir = new JMenuItem(bundle.getString("menu.diff.diff2Dir"));
		JMenuItem diff3Dir = new JMenuItem(bundle.getString("menu.diff.diff3Dir"));
		JMenuItem merge2   = new JMenuItem(bundle.getString("menu.diff.merge2"));
		JMenuItem merge3   = new JMenuItem(bundle.getString("menu.diff.merge3"));
		diffMenu.add(diff2Dir);
		diffMenu.add(diff2);
		diffMenu.add(merge2);
		diffMenu.add(diff3Dir);
		diffMenu.add(diff3);
		diffMenu.add(merge3);
		adapter.registerEventHandler(diff2,		"actionPerformed", this, "onDiff2Files");
		adapter.registerEventHandler(diff3,		"actionPerformed", this, "onNotImplemented");
		adapter.registerEventHandler(diff2Dir,	"actionPerformed", this, "onDiff2Dirs");
		adapter.registerEventHandler(diff3Dir,	"actionPerformed", this, "onNotImplemented");
		adapter.registerEventHandler(merge2,	"actionPerformed", this, "onNotImplemented");
		adapter.registerEventHandler(merge3,	"actionPerformed", this, "onNotImplemented");
		
		//**************LANGUAGES MENU*****************************
		menuBar.add(languagesMenu);

		//**************HELP MENU**********************************
		JMenu helpMenu = new JMenu(bundle.getString("menu.help.title"));
		menuBar.add(helpMenu);

		JMenuItem helpAbout = new JMenuItem(bundle.getString("menu.help.about"));
		helpMenu.add(helpAbout);
		//w = new HelpAboutView();
		//w.setParent(window);
		//adapter.registerEventHandler(helpAbout, "actionPerformed", w, "onCreateWindow");
	}

	/**
	 *  Only opens files, any files(not directories)
	 */
	protected String getFileName(Component parent)
	{
		String path = System.getProperty("user.dir");
		JFileChooser chooser = new JFileChooser(path);

		int returnVal = chooser.showOpenDialog(parent);
		if(returnVal == JFileChooser.APPROVE_OPTION)
			return chooser.getSelectedFile().getAbsolutePath();
		return null;
	}
	/**
	 *  Only opens directories, not files.
	 */
	protected String getDirectoryName(Component parent)
	{
		String path = System.getProperty("user.dir");
		JFileChooser chooser = new JFileChooser(path);
		chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);

		int returnVal = chooser.showOpenDialog(parent);
		if(returnVal == JFileChooser.APPROVE_OPTION)
			return chooser.getSelectedFile().getAbsolutePath();
		return null;
	}

	protected void diff2Files(File file1, File file2)
	{
		JDragPane pane = new JDragPane("Diff of Two Files");
		pane.setPreferredSize(new Dimension(50,50));

		JTwoFileDiff comp = new JTwoFileDiff();
		comp.setLeftTitle(file1.getAbsolutePath());
		comp.setRightTitle(file2.getAbsolutePath());

		pane.add(comp);
		panesCont.add(pane, new PaneConstraints(PaneConstraints.CENTER));
		comp.diffTwoFiles(file1, file2);
	}
/***********************************************************************************
	EVENT HANDLERS BELOW
***********************************************************************************/
	public void onDiff2Files(EventObject event)
	{
		String fileName1 = getFileName(WindowView.getTopMostWindow());
		if(fileName1 == null) return;

		String fileName2 = getFileName(WindowView.getTopMostWindow());
		if(fileName2 == null) return;
		File file1 = new File(fileName1);
		File file2 = new File(fileName2);
		if(!file1.exists())
		{
			JOptionPane.showMessageDialog(WindowView.getTopMostWindow(), "File 1 '"+file2.getAbsolutePath()+
										"' had some error", "Error", JOptionPane.ERROR_MESSAGE);
			return;
		}
		else if(!file2.exists())
		{
			JOptionPane.showMessageDialog(WindowView.getTopMostWindow(), "File 2 '"+file2.getAbsolutePath()+
										"' had some error", "Error", JOptionPane.ERROR_MESSAGE);
			return;
		}

		diff2Files(file1, file2);
	}
	
	public void onDiff2Dirs(EventObject event)
	{
		String dirName1 = getDirectoryName(WindowView.getTopMostWindow());
		if(dirName1 == null) return;

		String dirName2 = getDirectoryName(WindowView.getTopMostWindow());
		if(dirName2 == null) return;
		File dir1 = new File(dirName1);
		File dir2 = new File(dirName2);
		if(!dir1.exists())
		{
			JOptionPane.showMessageDialog(WindowView.getTopMostWindow(), "File 1 '"+dir1.getAbsolutePath()+
										"' had some error", "Error", JOptionPane.ERROR_MESSAGE);
			return;
		}
		else if(!dir2.exists())
		{
			JOptionPane.showMessageDialog(WindowView.getTopMostWindow(), "File 2 '"+dir2.getAbsolutePath()+
										"' had some error", "Error", JOptionPane.ERROR_MESSAGE);
			return;
		}

		JDragPane pane = new JDragPane("Diff of Two Directories");
		pane.setPreferredSize(new Dimension(50,50));

		JTwoDirDiff comp = new JTwoDirDiff();
		adapter.registerEventHandler(comp,	"fileSelected", this, "onFileSelected");
		
		
		comp.setTitle(dir1.getAbsolutePath()+"(old) vs. (new)"+dir2.getAbsolutePath());

		pane.add(comp);
		panesCont.add(pane, new PaneConstraints(PaneConstraints.CENTER));
		comp.diffTwoDirectories(dir1, dir2);
	}

	public void onNotImplemented(EventObject event)
	{
		JOptionPane.showMessageDialog((Component)window, "This function is not implemented yet");
	}

	public void onFileSelected(FileSelectionEvent event)
	{
		String fileOld = event.getOldFilePath();
		String fileNew = event.getNewFilePath();

		File file1 = new File(fileOld);
		File file2 = new File(fileNew);
		if(!file1.exists())
		{
			JOptionPane.showMessageDialog(WindowView.getTopMostWindow(), "File 1 '"+file2.getAbsolutePath()+
										"' had some error", "Error", JOptionPane.ERROR_MESSAGE);
			return;
		}
		else if(!file2.exists())
		{
			JOptionPane.showMessageDialog(WindowView.getTopMostWindow(), "File 2 '"+file2.getAbsolutePath()+
										"' had some error", "Error", JOptionPane.ERROR_MESSAGE);
			return;
		}

		diff2Files(file1, file2);
	}
}