private JRoster parent;

    private ServiceDiscoveryManager manager;

    private Tree tree;

    private Shell discoShell;

   

    ServiceDiscovery( JRoster fParent, String entityID ) {

        parent = fParent;

        discoShell = new Shell( parent.getDisplay(), SWT.SHELL_TRIM );

        discoShell.setText( "Service Discovery at " + entityID );

        discoShell.setLayout( new FillLayout() );

       

        tree = new Tree( discoShell, SWT.SINGLE | SWT.BORDER );

        tree.setHeaderVisible( true );

        TreeColumn idColumn, nameColumn , nodeColumn, infoColumn;

        idColumn = new TreeColumn( tree, SWT.LEFT, 0 );

        nameColumn = new TreeColumn( tree, SWT.LEFT );

        nodeColumn = new TreeColumn( tree, SWT.LEFT );

        infoColumn = new TreeColumn( tree, SWT.LEFT );

        idColumn.setText( "ID" );

        idColumn.setWidth( 150 );

        idColumn.setResizable( true );

        nameColumn.setText( "Name" );

        nameColumn.setWidth( 100 );

        nameColumn.setResizable( true );

        nodeColumn.setText( "Node" );

        nodeColumn.setWidth( 100 );

        nodeColumn.setResizable( true );

        infoColumn.setText( "Type > Category > Name" );

        infoColumn.setWidth( 100 );

        infoColumn.setResizable( true );

        manager = ServiceDiscoveryManager.getInstanceFor( parent.getJavwerManager().getConnection() );

        TreeItem item = new TreeItem( tree, SWT.NONE );

        try {

        DiscoverInfo info = manager.discoverInfo( entityID );

       

        item.setData( "jabber:iq:register", Boolean.toString( info.containsFeature( "jabber:iq:register" ) ) );

        item.setData( "jabber:iq:search", Boolean.toString( info.containsFeature( "jabber:iq:search" ) ) );

        item.setData( "http://jabber.org/protocol/muc", Boolean.toString( info.containsFeature( "http://jabber.org/protocol/muc" ) ) );

        } catch( Exception e ) {}

        //item.setData( "jabber:iq:register", "true" );

        item.setText( entityID );

        displayEntityTree( item, entityID, null );

       

        // Contex-Menu

        Menu contextMenu = new Menu( discoShell, SWT.POP_UP );

        final MenuItem registerItem = new MenuItem( contextMenu, SWT.PUSH );

        registerItem.setText( "&Register" );

        registerItem.addSelectionListener( new SelectionAdapter() {

            public void widgetSelected( SelectionEvent ev ) {

                showRegisterDialog( parent.getJavwerManager(), tree.getSelection()[ 0 ].getText( 0 ) );

            }

        });

       

        final MenuItem searchItem = new MenuItem( contextMenu, SWT.PUSH );

        searchItem.setText( "&Search" );

        searchItem.addSelectionListener( new SelectionAdapter() {

            public void widgetSelected( SelectionEvent ev ) {

                showSearchDialog( tree.getSelection()[ 0 ].getText( 0 ) );

            }

        });

       

        final MenuItem groupItem = new MenuItem( contextMenu, SWT.PUSH );

        groupItem.setText( "&Join" );

        groupItem.addSelectionListener( new SelectionAdapter() {

            public void widgetSelected( SelectionEvent ev ) {

                parent.createGroupChat( "blubb@" + tree.getSelection()[ 0 ].getText( 0 ), null, null );

            }

        });

       

        contextMenu.addMenuListener( new MenuListener() {

            public void menuHidden( MenuEvent arg0 ) {

            }

            public void menuShown( MenuEvent arg0 ) {

                registerItem.setEnabled( ( "true" == (String) tree.getSelection()[ 0 ].getData( "jabber:iq:register" ) ) ? true : false );

                searchItem.setEnabled( ( "true" == (String) tree.getSelection()[ 0 ].getData( "jabber:iq:search" ) ) ? true : false );

                groupItem.setEnabled( ( "true" == (String) tree.getSelection()[ 0 ].getData( "http://jabber.org/protocol/muc" ) ) ? true : false );

            }

           

        });

       

        tree.setMenu( contextMenu );

       

        discoShell.open();

    }

   

    private void displayEntityTree( TreeItem parent, String entityID, String node ) {

        try {

            DiscoverItems items;

            if( node == null )

                items = manager.discoverItems( entityID );

            else

                items = manager.discoverItems( entityID, node );

            //System.out.println("displaying " + entityID + "... ");

           // if ( items.getItems().hasNext() )

              //  System.out.println(entityID + " has children :)\n" );

           

            for( Iterator i = items.getItems(); i.hasNext(); ) {

               

                DiscoverItems.Item item = (DiscoverItems.Item) i.next();

                TreeItem treeItem = new TreeItem( parent, SWT.NONE );

                parent.setExpanded( true );

                String text[] = { item.getEntityID(), item.getName(), item.getNode(), item.getAction() };

                treeItem.setText( text );

                DiscoverInfo info = manager.discoverInfo( item.getEntityID() );

                treeItem.setData( "jabber:iq:register", Boolean.toString( info.containsFeature( "jabber:iq:register" ) ) );

                treeItem.setData( "jabber:iq:search", Boolean.toString( info.containsFeature( "jabber:iq:search" ) ) );

                treeItem.setData( "http://jabber.org/protocol/muc", Boolean.toString( info.containsFeature( "http://jabber.org/protocol/muc" ) ) );

                for( Iterator j = info.getIdentities(); j.hasNext(); ) {

                    DiscoverInfo.Identity ident = (DiscoverInfo.Identity) j.next();

                    treeItem.setText( 3, ident.getType() + " > " + ident.getCategory() + " > " + ident.getName() );

                }

                /*

                for( Iterator j = manager.discoverInfo( item.getEntityID() ).getIdentities(); j.hasNext(); ) {

                    DiscoverInfo.Identity identity = (DiscoverInfo.Identity) j.next();

                    System.out.println( item.getName() + ": " + identity.getName() + " - " + identity.getCategory() + " - " + identity.getType() );

                }

                */

                displayEntityTree( treeItem, item.getEntityID(), item.getNode() );

            }

           

        } catch( XMPPException ex ) { System.err.println( "er��r" ); }

       

       

    }

    private void showSearchDialog( final String jid ) {

        UserSearch userSearch = new UserSearch();

        try {

            Form form = userSearch.getSearchForm( parent.getJavwerManager().getConnection(), jid );

            Form request = JavwerManager.displayForm( parent.getDisplay(), form );

            ReportedData result = userSearch.sendSearchForm( parent.getJavwerManager().getConnection(), request, jid );

            if( result != null ) {

                Shell resultShell = new Shell( parent.getDisplay() );

                if( result.getTitle() != null )

                    resultShell.setText( result.getTitle() );

                resultShell.setLayout( new FillLayout() );

               

                final Table table = new Table( resultShell, SWT.SINGLE );

                table.setHeaderVisible( true );

                for( Iterator i = result.getColumns(); i.hasNext(); ) {

                    ReportedData.Column dataColumn = (ReportedData.Column) i.next();

                    final TableColumn tableColumn = new TableColumn( table, SWT.LEFT );

                    if( dataColumn.getLabel() != null )

                        tableColumn.setText( dataColumn.getLabel() );

                    else

                        tableColumn.setText( "blubb" );

                    tableColumn.setWidth( 100 );

                    tableColumn.setResizable( true );

                    tableColumn.setMoveable( true );

                    /*

                    tableColumn.addSelectionListener( new SelectionAdapter() {

                        public void widgetSelected( SelectionEvent ev ) {

                            table.setSortColumn( tableColumn );

                            table.setSortDirection( SWT.DOWN );

                            TableItem items[] = table.getItems();

                            Arrays.sort( items, new Comparator<TableItem>() {

                                public int compare( TableItem o1, TableItem o2 ) {

                                    int col = 0;

                                    for( int i = 0; i < table.getColumnCount(); i++ )

                                        if( table.getSortColumn().equals( table.getColumn( i ) ) )

                                            col = i;

                                    return o1.getText( col ).compareTo( o2.getText( col ) );

                                }

                            } );

                            for( int i = 0; i < items.length; i++ ) {

                                items[ i ].set

                            }

                        }

                    });

                    */

                   

                }

                for( Iterator i = result.getRows(); i.hasNext(); ) {

                    ReportedData.Row dataRow = (ReportedData.Row) i.next();

                    TableItem tableItem = new TableItem( table, SWT.NONE );

                    //int x = 0;

                    for( int x = 0; x < table.getColumnCount(); x++ ) {

                        String text = (String) dataRow.getValues( table.getColumn( x ).getText() ).next();

                        if( text != null )

                            tableItem.setText( x, text );

                        else

                            tableItem.setText( x, "#" );

                    }

                }

                resultShell.open();

               

            }

           

        } catch( XMPPException ex ) { System.err.println( "er " + ex ); }

       

       

       

    }

    public static void showRegisterDialog( final JavwerManager javwerManager, final String jid ) {

        Registration request = new Registration();

        request.setType( IQ.Type.GET );

        request.setTo( jid );

        final XMPPConnection connection = javwerManager.getConnection();

        connection.addPacketListener(

                new PacketListener() {

                    public void processPacket( final Packet p ) {

                        javwerManager.getDisplay().syncExec( new Runnable() {

                            public void run() {

                                if( Form.getFormFrom( p ) != null ) {

                                    Form answerForm = JavwerManager.displayForm( javwerManager.getDisplay(), Form.getFormFrom( p ) );

                                    Registration answerRegistration = new Registration();

                                    answerRegistration.setTo( jid );

                                    answerRegistration.setType( IQ.Type.SET );

                                    answerRegistration.addExtension( answerForm.getDataFormToSend() );

                                    connection.sendPacket( answerRegistration);

                                }

                                else {

                                    Registration form = (Registration) p;

                                    final Shell registerShell = new Shell( javwerManager.getDisplay() );

                                    GridLayout layout = new GridLayout();

                                    layout.numColumns = 2;

                                    layout.makeColumnsEqualWidth = true;

                                    if( form.getInstructions() != null )

                                        registerShell.setText( form.getInstructions() );

                                    registerShell.setLayout( layout );

                                   

                                    Label instructionsLabel = new Label( registerShell, SWT.WRAP );

                                    if( form.getInstructions() != null )

                                        instructionsLabel.setText( form.getInstructions() );

                                    GridData data = new GridData();

                                    data.horizontalSpan = 2;

                                    instructionsLabel.setLayoutData( data );

                                   

                                    //final Map<Object, String> attributes = (Mapform.getAttributes();

                                    final Map attributes = form.getAttributes();

                                    final Label labels[] = new Label[ attributes.keySet().size() ];

                                    final Text texts[] = new Text[ attributes.keySet().size() ];

                                    int x = 0;

                                    for( Iterator i = attributes.keySet().iterator(); i.hasNext(); x++ ) {

                                        String key = (String) i.next();

                                        String value = (String) attributes.get( key );

                                        labels[ x ] = new Label( registerShell, SWT.WRAP );

                                        labels[ x ].setText( key );

                                        texts[ x ] = new Text( registerShell, SWT.NONE );

                                        texts[ x ].setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );

                                        if( value != null )

                                            texts[ x ].setText( value );                                   

                                    }

                                   

                                    Button okButton = new Button( registerShell, SWT.PUSH );

                                    okButton.addSelectionListener( new SelectionAdapter() {

                                        public void widgetSelected( SelectionEvent ev ) {

                                            int x = 0;

                                            for( Iterator i = attributes.keySet().iterator(); i.hasNext(); x++ ) {

                                                attributes.put( (String) i.next(), (String) texts[ x ].getText() );

                                            }

                                           

                                            Registration answer = new Registration();

                                            answer.setAttributes( attributes );

                                            answer.setType( IQ.Type.SET );

                                            answer.setTo( jid );

                                            connection.sendPacket( answer );

                                            registerShell.close();

                                        }

                                    });

                                    okButton.setText( "&OK" );

                                    Button cancelButton = new Button( registerShell, SWT.PUSH );

                                    cancelButton.addSelectionListener( new SelectionAdapter() {

                                        public void widgetSelected( SelectionEvent ev ) {

                                            registerShell.close();

                                        }

                                    });

                                    cancelButton.setText( "&Cancel" );

                                    registerShell.pack();

                                    registerShell.open();

                                }

                            }

                        });

                        //Form answerForm = JavwerManager.displayForm( parent.getDisplay(), Form.getFormFrom( p ) );

                        //Registration answer = new Registration();

                        ////answer.addExtension( answerForm.getDataFormToSend() );

                        //answer.setType( IQ.Type.SET );

                        //answer.setTo( jid );

                        //connection.sendPacket( answer );

                    }

                },

                new AndFilter( new PacketIDFilter( request.getPacketID() ), new PacketTypeFilter( Registration.class ) )

        );

        connection.sendPacket( request );

    }

   

}