/* ======================================================================
The Bodington System Software License, Version 1.0
  
Copyright (c) 2001 The University of Leeds.  All rights reserved.
  
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:

1.  Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.

2.  Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.

3.  The end-user documentation included with the redistribution, if any,
must include the following acknowledgement:  "This product includes
software developed by the University of Leeds
(http://www.bodington.org/)."  Alternately, this acknowledgement may
appear in the software itself, if and wherever such third-party
acknowledgements normally appear.

4.  The names "Bodington", "Nathan Bodington", "Bodington System",
"Bodington Open Source Project", and "The University of Leeds" must not be
used to endorse or promote products derived from this software without
prior written permission. For written permission, please contact
d.gardner@leeds.ac.uk.

5.  The name "Bodington" may not appear in the name of products derived
from this software without prior written permission of the University of
Leeds.

THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
WARRANTIES, INCLUDING, BUT NOT LIMITED TO,  TITLE,  THE IMPLIED WARRANTIES 
OF QUALITY  AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO 
EVENT SHALL THE UNIVERSITY OF LEEDS OR ITS CONTRIBUTORS BE LIABLE FOR 
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 
ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
POSSIBILITY OF SUCH DAMAGE.
=========================================================

This software was originally created by the University of Leeds and may contain voluntary 
contributions from others.  For more information on the Bodington Open Source Project, please 
see http://bodington.org/

====================================================================== */

package org.bodington.applet.components;

import org.bodington.applet.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.text.*;
import javax.swing.text.html.*;
import javax.swing.tree.*;
import java.beans.*;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.net.*;

import org.bodington.server.ims.*;
import org.bodington.net.*;

import org.w3c.dom.*;


public class PackageEditPanel extends javax.swing.JPanel 
	implements ChangeListener, TreeSelectionListener
	{
    JSplitPane split;
    JTabbedPane left_tabbed, right_tabbed;
    
    JPanel left_metadata_panel, left_menu_panel, left_resource_panel, left_file_panel;
    
    JScrollPane 	right_property_panel,
   					right_edit_panel,
   					right_preview_panel;
   			
	 JPanel	right_menu_panel, 
   			right_resource_panel, 
   			right_file_panel;

  	
  		JTextPane edit_pane, preview_pane;

		PackageTree tree, m_tree_r, r_tree, r_tree_r;
		PackageFileTree file_tree, file_tree_r;

  	
  	
  	
  	
  	org.w3c.dom.Document doc;
  	
  	URL url;
  	String base, uploadpage;

  	org.bodington.server.ims.Package ims_package_m;
  	org.bodington.server.ims.Package ims_package_r;
  	PackageFileSystemModel file_model;

	public PackageEditPanel()
		{
  		ims_package_m=null;
  		ims_package_r=null;
  		file_model=null;

	    setLayout( new GridLayout(1, 1) );

	    left_metadata_panel = new JPanel( new BorderLayout() );
	    left_metadata_panel.add( new JLabel("Metadata") );

	    left_menu_panel = new JPanel( new BorderLayout() );
	    left_menu_panel.add( new JLabel("Menus") );

	    left_resource_panel = new JPanel( new BorderLayout() );
	    left_resource_panel.add( new JLabel("Resources") );

	    left_file_panel = new JPanel( new BorderLayout() );
	    left_file_panel.add( new JLabel("Files") );
	    
	    right_property_panel = new JScrollPane();
	    right_property_panel.getViewport().add( new JLabel("Properties") );

	    right_edit_panel = new JScrollPane();
	    edit_pane = new JTextPane();
    	 edit_pane.setEditorKitForContentType( "text/plain", new StyledEditorKit() );
    	 edit_pane.setEditorKitForContentType( "text/html", new StyledEditorKit() );
		 edit_pane.setEditable( true );
		 //edit_pane.setOpaque( false );
	    right_edit_panel.getViewport().add( edit_pane );

	    right_preview_panel = new JScrollPane();
	    preview_pane = new JTextPane();
	    preview_pane.setEditorKitForContentType( "text/plain", new StyledEditorKit() );
	    preview_pane.setEditorKitForContentType( "text/html", new HTMLEditorKit() );
		 //preview_pane.setContentType( "text/html" );
		 //preview_pane.setText( "<html><body><p>select a file in the left panel to preview it here</P></body></html>" );
		 preview_pane.setEditable( false );
	    right_preview_panel.getViewport().add( preview_pane );


	    right_menu_panel = new JPanel( new BorderLayout() );
	    right_menu_panel.add( new JLabel("Menus") );

	    right_resource_panel = new JPanel( new BorderLayout() );
	    right_resource_panel.add( new JLabel("Resources") );

	    right_file_panel = new JPanel( new BorderLayout() );
	    right_file_panel.add( new JLabel("Files") );
	    
	    
	    left_tabbed = new JTabbedPane();
	    left_tabbed.add( "Metadata", left_metadata_panel );
	    left_tabbed.add( "Menus", left_menu_panel );
	    left_tabbed.add( "Groupings", left_resource_panel );
	    left_tabbed.add( "Files", left_file_panel );
	    right_tabbed = new JTabbedPane();
	    right_tabbed.add( "Properties", right_property_panel );
	    right_tabbed.add( "Edit", right_edit_panel );
	    right_tabbed.add( "Preview", right_preview_panel );
	    right_tabbed.add( "Menus", right_menu_panel );
	    right_tabbed.add( "Groupings", right_resource_panel );
	    right_tabbed.add( "Files", right_file_panel );
        split = new JSplitPane( JSplitPane.HORIZONTAL_SPLIT, left_tabbed, right_tabbed );
        split.setDividerLocation( 250 );
        split.setOneTouchExpandable( true );
        
        add( split );
        
        left_tabbed.getModel().addChangeListener( this );
        right_tabbed.getModel().addChangeListener( this );
			}


	public void setUploadURL( URL url )
		{
		this.url = url;
		String s = url.toExternalForm();
		int n = s.lastIndexOf( '/' );
		if ( n == -1 )
			base = "/";
		else
			if ( n != (s.length()-1) )
				base = s.substring( 0, n+1 );
			else
				base = s;
				
		uploadpage = s.substring( base.length() );
		}


	public void createManifest()
		{
		}


	public void setManifest( InputStream manifest )
		{
    // add data to the source List
  	ims_package_m=null;
  	ims_package_r=null;
  	file_model=null;
  	
  	if ( manifest == null )
  		return;
  	
    try
   	{
   	doc = PackageLoader.openDocument( manifest );
   	
   	ims_package_m = 
   		new org.bodington.server.ims.Package( doc,
   		    org.bodington.server.ims.Package.TYPE_ORGANIZATIONS );
   	ims_package_r = 
   		new org.bodington.server.ims.Package( doc,
   		    org.bodington.server.ims.Package.TYPE_RESOURCES );
   	file_model = new PackageFileSystemModel( ims_package_r );
   	}
   catch ( Exception ex )
   	{
   	ex.printStackTrace();
   	System.exit(1);
   	}

    tree = new PackageTree( ims_package_m );
    JScrollPane m_scroll = new JScrollPane( tree );
    left_menu_panel.removeAll();
    left_menu_panel.add( m_scroll );
    left_menu_panel.validate();

    m_tree_r = new PackageTree( ims_package_m );
    JScrollPane m_scroll_r = new JScrollPane( m_tree_r );
    right_menu_panel.removeAll();
    right_menu_panel.add( m_scroll_r );
    right_menu_panel.validate();

    r_tree = new PackageTree( ims_package_r );
    JScrollPane r_scroll = new JScrollPane( r_tree );
    left_resource_panel.removeAll();
    left_resource_panel.add( r_scroll );
    left_resource_panel.validate();

    r_tree_r = new PackageTree( ims_package_r );
    JScrollPane r_scroll_r = new JScrollPane( r_tree_r );
    right_resource_panel.removeAll();
    right_resource_panel.add( r_scroll_r );
    right_resource_panel.validate();

	file_tree = new PackageFileTree( file_model, base, uploadpage );
	file_tree.setRootVisible( false );
	file_tree.setShowsRootHandles( true );
    JScrollPane f_scroll = new JScrollPane( file_tree );
    left_file_panel.removeAll();
    left_file_panel.add( f_scroll );
    left_file_panel.validate();

	file_tree.addTreeSelectionListener( this );

	file_tree_r = new PackageFileTree( file_model, base, uploadpage );
	file_tree_r.setRootVisible( false );
	file_tree_r.setShowsRootHandles( true );
    JScrollPane f_scroll_r = new JScrollPane( file_tree_r );
    right_file_panel.removeAll();
    right_file_panel.add( f_scroll_r );
    right_file_panel.validate();

  }
  
  
  
  public void doSave()
	{
   org.w3c.dom.Document xml = (org.w3c.dom.Document)doc;
   MultiPartMimeOutputStream mout;
   
   
   try
      {
      if ( url == null )
      	throw new IOException( "unknown upload destination" );


		TransferManifestDialog t_dialog = new TransferManifestDialog( BodingtonDesktopPane.findInstance( this ) );
		t_dialog.transfer( xml, url );

/*
      LoginDialog dialog = new LoginDialog();
      dialog.setModal( true );
      	
      HttpURLConnection httpcon = (HttpURLConnection)url.openConnection();

		// stop if user cancelled login
		if ( !dialog.login( httpcon ) )
			return;

      httpcon.setDoOutput( true );
      httpcon.setRequestMethod("POST");

		String boundary = MultiPartMimeOutputStream.getBoundary();
      httpcon.setRequestProperty( "Content-type", "multipart/form-data; boundary=" + boundary );

	   mout = new MultiPartMimeOutputStream( httpcon.getOutputStream(), boundary );
	   
      mout.writeFileIntro( "file" , "imsmanifest.xml" );
      xml.write( mout );
      mout.writeBoundary();
      
    InputStreamReader inr = new InputStreamReader( httpcon.getInputStream() );

      char[] charbuf = new char[2048];
      inr.read(charbuf,0,2048);
      System.out.println(new String(charbuf));
      
      inr.close();
*/

      /*
      PackageOrganization porg = ims_package_m.findDefaultOrganization();
      if ( porg != null )
      	{
      	httpcon = (HttpURLConnection)url.openConnection();

			// stop if user cancelled login
			if ( !dialog.login( httpcon ) )
				return;

      	httpcon.setDoOutput( true );
      	httpcon.setRequestMethod("POST");

			boundary = MultiPartMimeOutputStream.getBoundary();
      	httpcon.setRequestProperty( "Content-type", "multipart/form-data; boundary=" + boundary );

	   	mout = new MultiPartMimeOutputStream( httpcon.getOutputStream(), boundary );
		   
      	mout.writeFileIntro( "file" , "menu.xml" );
      	porg.writeMenu( mout,  ims_package_r );

	      mout.writeBoundary();
      
			inr = new InputStreamReader( httpcon.getInputStream() );

			inr.read(charbuf,0,2048);
			System.out.println(new String(charbuf));
			      
			inr.close();
      	}
      */
      }
   catch ( IOException ioex )
      {
      ioex.printStackTrace();
      }
	}


	public void stateChanged(ChangeEvent e) 
		{
		if ( e.getSource() == left_tabbed.getModel() )
			{
			System.out.println( "Left tabbed pane changed selected tab." );

			right_tabbed.removeAll();

			if ( left_tabbed.getSelectedComponent() == left_metadata_panel )
				{
	   		right_tabbed.add( "Properties", right_property_panel );
				}
			else if ( left_tabbed.getSelectedComponent() == left_menu_panel )
				{
	   		right_tabbed.add( "Properties", right_property_panel );
	   		right_tabbed.add( "Menus", right_menu_panel );
	   		right_tabbed.add( "Groupings", right_resource_panel );
	   		right_tabbed.add( "Files", right_file_panel );
				}
			else if ( left_tabbed.getSelectedComponent() == left_resource_panel )
				{
	   		right_tabbed.add( "Properties", right_property_panel );
	   		right_tabbed.add( "Groupings", right_resource_panel );
	   		right_tabbed.add( "Files", right_file_panel );
				}
			else if ( left_tabbed.getSelectedComponent() == left_file_panel )
				{
	   		right_tabbed.add( "Properties", right_property_panel );
	   		right_tabbed.add( "Edit", right_edit_panel );
	   		right_tabbed.add( "Preview", right_preview_panel );
				}
			}

		
		if ( e.getSource() == right_tabbed.getModel() )
			{
			System.out.println( "Right tabbed pane changed selected tab." );

			if ( right_tabbed.getSelectedComponent() == right_preview_panel )
				{
				System.out.println( "Preview tab selected." );
				
				if ( left_tabbed.getSelectedComponent() != left_file_panel || file_tree == null )
					return;

				System.out.println( "File tab is selected on right side." );
				
				updateTextEditor( preview_pane);
				}
			else if ( right_tabbed.getSelectedComponent() == right_preview_panel )
				{
				System.out.println( "Edit tab selected." );
				
				if ( left_tabbed.getSelectedComponent() != left_file_panel || file_tree == null )
					return;

				System.out.println( "File tab is selected on right side." );
				
				updateTextEditor( edit_pane );
				}
			}
		
		
		}
	
	public void valueChanged( TreeSelectionEvent e )	
		{
		if ( e.getSource() == file_tree )
			{
			if ( right_tabbed.getSelectedComponent() == right_preview_panel )
				updateTextEditor( preview_pane );
			if ( right_tabbed.getSelectedComponent() == right_edit_panel )
				updateTextEditor( edit_pane );
			}
		}

	public void updateTextEditor( JTextPane text_pane )
		{
		//text_pane.setContentType( "text/html" );
		 //text_pane.setText( "<html><body><p>select a file in the left panel to preview it here</P></body></html>" );
		 //text_pane.setEditable( false );
		
		TreePath tpath = file_tree.getSelectionPath();
		if ( tpath==null )
			return;
					
		System.out.println( "File is selected." );
		PackageFileSystemNode sourcenode = (PackageFileSystemNode)tpath.getLastPathComponent();
					
		System.out.println( base + sourcenode.getHref() );

		try
			{
			URL b_url = new URL( base );
			URL d_url = new URL( b_url, sourcenode.getHref() );
      	HttpURLConnection httpcon = (HttpURLConnection)d_url.openConnection();

			// stop if user cancelled login
      	LoginDialog dialog = new LoginDialog();
      	dialog.setModal( true );
			if ( !dialog.login( httpcon ) )
				return;

      	httpcon.setRequestMethod( "GET" );
	      
	  		InputStream in = httpcon.getInputStream();
		  	
		  	System.err.println( in.toString() );
		  	
			text_pane.setContentType("text/html");
		  	if ( text_pane == preview_pane )
		  		{
	  			HTMLDocument doc = new HTMLDocument();
	  			doc.setBase( b_url );
				text_pane.read( in , doc );
				}
			else
		  		{
				text_pane.read( in , new PlainDocument() );
				}
			
			in.close();
			}
		catch ( Exception ex )
			{
			ex.printStackTrace();
			}
		}

	
	
	}