GPLoadDialog.java

/*!
 * This program is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
 * Foundation.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
 * or from the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * 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 Lesser General Public License for more details.
 *
 * Copyright (c) 2002-2016 Pentaho Corporation..  All rights reserved.
 */

package org.pentaho.di.ui.trans.steps.gpload;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;

import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CCombo;
import org.eclipse.swt.custom.CTabFolder;
import org.eclipse.swt.custom.CTabItem;
import org.eclipse.swt.events.FocusAdapter;
import org.eclipse.swt.events.FocusEvent;
import org.eclipse.swt.events.FocusListener;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.ShellAdapter;
import org.eclipse.swt.events.ShellEvent;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.FormLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.MessageBox;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.swt.widgets.Text;
import org.pentaho.di.core.Const;
import org.pentaho.di.core.util.Utils;
import org.pentaho.di.core.SQLStatement;
import org.pentaho.di.core.SourceToTargetMapping;
import org.pentaho.di.core.database.Database;
import org.pentaho.di.core.database.DatabaseMeta;
import org.pentaho.di.core.exception.KettleException;
import org.pentaho.di.core.row.RowMetaInterface;
import org.pentaho.di.core.row.ValueMetaInterface;
import org.pentaho.di.i18n.BaseMessages;
import org.pentaho.di.trans.TransMeta;
import org.pentaho.di.trans.step.BaseStepMeta;
import org.pentaho.di.trans.step.StepDialogInterface;
import org.pentaho.di.trans.step.StepMeta;
import org.pentaho.di.trans.step.StepMetaInterface;
import org.pentaho.di.trans.steps.gpload.GPLoadMeta;
import org.pentaho.di.ui.core.PropsUI;
import org.pentaho.di.ui.core.database.dialog.DatabaseExplorerDialog;
import org.pentaho.di.ui.core.database.dialog.SQLEditor;
import org.pentaho.di.ui.core.dialog.EnterMappingDialog;
import org.pentaho.di.ui.core.dialog.ErrorDialog;
import org.pentaho.di.ui.core.gui.GUIResource;
import org.pentaho.di.ui.core.widget.ColumnInfo;
import org.pentaho.di.ui.core.widget.TableView;
import org.pentaho.di.ui.core.widget.TextVar;
import org.pentaho.di.ui.trans.step.BaseStepDialog;
import org.pentaho.di.ui.trans.step.TableItemInsertListener;

/**
 * Dialog class for the Greenplum bulk loader step. Created on 28mar2008, copied from Sven Boden's Oracle version
 *
 * @author Luke Lonergan
 */
public class GPLoadDialog extends BaseStepDialog implements StepDialogInterface {
  private static Class<?> PKG = GPLoadMeta.class; // for i18n purposes, needed
  // by Translator2!!

  private CTabFolder wTabFolder;

  // The widgets that hold user input are class properties so
  // so the getData and getInfor method can act on them
  private CCombo wConnection;
  private TextVar wSchema;
  private TextVar wLocalhostPort;
  private TextVar wTable;
  private TextVar wErrorTable;
  private TextVar wGploadPath;
  private CCombo wLoadMethod;
  private CCombo wLoadAction;
  private TextVar wMaxErrors;
  private TableView wReturn;
  private TableView wLocalHosts;
  private TextVar wControlFile;
  private TextVar wDataFile;
  private TextVar wLogFile;
  private TextVar wNullAs;
  private Combo wEncoding;
  private Button wEraseFiles;
  private GPLoadMeta input;
  private TextVar wDelimiter;
  private Text wUpdateCondition;

  /**
   * List of ColumnInfo that should have the field names of the selected database table
   */
  private List<ColumnInfo> tableFieldColumns = new ArrayList<ColumnInfo>();

  private ColumnInfo[] ciReturn;

  /**
   * List of Local Hosts
   */
  private List<ColumnInfo> localHostsColumns = new ArrayList<ColumnInfo>();

  private ColumnInfo[] ciLocalHosts;

  private static final String[] ALL_FILETYPES = new String[] { BaseMessages
      .getString( PKG, "GPLoadDialog.Filetype.All" ) };

  private Map<String, Integer> inputFields;

  public GPLoadDialog( Shell parent, Object in, TransMeta transMeta, String sname ) {
    super( parent, (BaseStepMeta) in, transMeta, sname );
    input = (GPLoadMeta) in;
    inputFields = new HashMap<String, Integer>();
  }

  public String open() {
    Shell parent = getParent();
    Display display = parent.getDisplay();

    shell = new Shell( parent, SWT.DIALOG_TRIM | SWT.RESIZE | SWT.MAX | SWT.MIN );
    props.setLook( shell );
    setShellImage( shell, input );

    ModifyListener lsMod = new ModifyListener() {
      public void modifyText( ModifyEvent e ) {
        input.setChanged();
      }
    };
    FocusListener lsFocusLost = new FocusAdapter() {
      public void focusLost( FocusEvent arg0 ) {
        setTableFieldCombo();
      }
    };
    changed = input.hasChanged();

    FormLayout formLayout = new FormLayout();
    formLayout.marginWidth = Const.FORM_MARGIN;
    formLayout.marginHeight = Const.FORM_MARGIN;

    shell.setLayout( formLayout );
    shell.setText( BaseMessages.getString( PKG, "GPLoadDialog.Shell.Title" ) );

    int middle = props.getMiddlePct();
    int margin = Const.MARGIN;

    // Stepname line
    wlStepname = new Label( shell, SWT.RIGHT );
    wlStepname.setText( BaseMessages.getString( PKG, "GPLoadDialog.Stepname.Label" ) );
    props.setLook( wlStepname );
    fdlStepname = new FormData();
    fdlStepname.left = new FormAttachment( 0, 0 );
    fdlStepname.right = new FormAttachment( middle, -margin );
    fdlStepname.top = new FormAttachment( 0, margin );
    wlStepname.setLayoutData( fdlStepname );

    wStepname = new Text( shell, SWT.SINGLE | SWT.LEFT | SWT.BORDER );
    wStepname.setText( stepname );
    props.setLook( wStepname );
    wStepname.addModifyListener( lsMod );
    fdStepname = new FormData();
    fdStepname.left = new FormAttachment( middle, 0 );
    fdStepname.top = new FormAttachment( 0, margin );
    fdStepname.right = new FormAttachment( 100, 0 );
    wStepname.setLayoutData( fdStepname );

    // Connection line
    wConnection = addConnectionLine( shell, wStepname, middle, margin );
    if ( input.getDatabaseMeta() == null && transMeta.nrDatabases() == 1 ) {
      wConnection.select( 0 );
    }
    wConnection.addModifyListener( lsMod );

    // Schema line...
    Label wlSchema = new Label( shell, SWT.RIGHT );
    wlSchema.setText( BaseMessages.getString( PKG, "GPLoadDialog.TargetSchema.Label" ) );
    props.setLook( wlSchema );
    FormData fdlSchema = new FormData();
    fdlSchema.left = new FormAttachment( 0, 0 );
    fdlSchema.right = new FormAttachment( middle, -margin );
    fdlSchema.top = new FormAttachment( wConnection, margin * 2 );
    wlSchema.setLayoutData( fdlSchema );

    wSchema = new TextVar( transMeta, shell, SWT.SINGLE | SWT.LEFT | SWT.BORDER );
    props.setLook( wSchema );
    wSchema.addModifyListener( lsMod );
    wSchema.addFocusListener( lsFocusLost );
    FormData fdSchema = new FormData();
    fdSchema.left = new FormAttachment( middle, 0 );
    fdSchema.top = new FormAttachment( wConnection, margin * 2 );
    fdSchema.right = new FormAttachment( 100, 0 );
    wSchema.setLayoutData( fdSchema );

    // Table line...
    Label wlTable = new Label( shell, SWT.RIGHT );
    wlTable.setText( BaseMessages.getString( PKG, "GPLoadDialog.TargetTable.Label" ) );
    props.setLook( wlTable );
    FormData fdlTable = new FormData();
    fdlTable.left = new FormAttachment( 0, 0 );
    fdlTable.right = new FormAttachment( middle, -margin );
    fdlTable.top = new FormAttachment( wSchema, margin );
    wlTable.setLayoutData( fdlTable );

    Button wbTable = new Button( shell, SWT.PUSH | SWT.CENTER );
    props.setLook( wbTable );
    wbTable.setText( BaseMessages.getString( PKG, "GPLoadDialog.Browse.Button" ) );
    FormData fdbTable = new FormData();
    fdbTable.right = new FormAttachment( 100, 0 );
    fdbTable.top = new FormAttachment( wSchema, margin );
    wbTable.setLayoutData( fdbTable );

    wTable = new TextVar( transMeta, shell, SWT.SINGLE | SWT.LEFT | SWT.BORDER );
    props.setLook( wTable );
    wTable.addModifyListener( lsMod );
    wTable.addFocusListener( lsFocusLost );
    FormData fdTable = new FormData();
    fdTable.left = new FormAttachment( middle, 0 );
    fdTable.top = new FormAttachment( wSchema, margin );
    fdTable.right = new FormAttachment( wbTable, -margin );
    wTable.setLayoutData( fdTable );

    // Load Method line
    Label wlLoadMethod = new Label( shell, SWT.RIGHT );
    wlLoadMethod.setText( BaseMessages.getString( PKG, "GPLoadDialog.LoadMethod.Label" ) );
    props.setLook( wlLoadMethod );
    FormData fdlLoadMethod = new FormData();
    fdlLoadMethod.left = new FormAttachment( 0, 0 );
    fdlLoadMethod.right = new FormAttachment( middle, -margin );
    fdlLoadMethod.top = new FormAttachment( wTable, margin );
    wlLoadMethod.setLayoutData( fdlLoadMethod );
    wLoadMethod = new CCombo( shell, SWT.SINGLE | SWT.READ_ONLY | SWT.BORDER );
    // wLoadMethod.add(BaseMessages.getString(PKG,
    // "GPLoadDialog.AutoConcLoadMethod.Label"));
    wLoadMethod.add( BaseMessages.getString( PKG, "GPLoadDialog.AutoEndLoadMethod.Label" ) );
    wLoadMethod.add( BaseMessages.getString( PKG, "GPLoadDialog.ManualLoadMethod.Label" ) );
    wLoadMethod.select( 0 ); // +1: starts at -1
    wLoadMethod.addModifyListener( lsMod );

    props.setLook( wLoadMethod );
    FormData fdLoadMethod = new FormData();
    fdLoadMethod.left = new FormAttachment( middle, 0 );
    fdLoadMethod.top = new FormAttachment( wTable, margin );
    fdLoadMethod.right = new FormAttachment( 100, 0 );
    wLoadMethod.setLayoutData( fdLoadMethod );

    // Erase files line
    Label wlEraseFiles = new Label( shell, SWT.RIGHT );
    wlEraseFiles.setText( BaseMessages.getString( PKG, "GPLoadDialog.EraseFiles.Label" ) );
    props.setLook( wlEraseFiles );
    FormData fdlEraseFiles = new FormData();
    fdlEraseFiles.left = new FormAttachment( 0, 0 );
    fdlEraseFiles.top = new FormAttachment( wLoadMethod, margin );
    fdlEraseFiles.right = new FormAttachment( middle, -margin );
    wlEraseFiles.setLayoutData( fdlEraseFiles );
    wEraseFiles = new Button( shell, SWT.CHECK );
    props.setLook( wEraseFiles );
    FormData fdEraseFiles = new FormData();
    fdEraseFiles.left = new FormAttachment( middle, 0 );
    fdEraseFiles.top = new FormAttachment( wLoadMethod, margin );
    fdEraseFiles.right = new FormAttachment( 100, 0 );
    wEraseFiles.setLayoutData( fdEraseFiles );
    wEraseFiles.addSelectionListener( new SelectionAdapter() {
      public void widgetSelected( SelectionEvent e ) {
        input.setChanged();
      }
    } );

    // The Tab folder for field/columns, localhosts and Greenplum configuration
    wTabFolder = new CTabFolder( shell, SWT.BORDER );
    props.setLook( wTabFolder, PropsUI.WIDGET_STYLE_TAB );

    // we have a method to add each tabs' widgets
    addFieldTabItem( wTabFolder, margin, lsMod );
    addLocalHostsTabItem( wTabFolder, margin, lsMod, lsFocusLost );
    addGPConfigTabItem( wTabFolder, margin, lsMod, lsFocusLost );

    // ///////////////////////////////////////////////////////////
    // End of Tab Folder
    // ///////////////////////////////////////////////////////////
    FormData fdTabFolder = new FormData();
    fdTabFolder.left = new FormAttachment( 0, 0 );
    fdTabFolder.top = new FormAttachment( wEraseFiles, margin );
    fdTabFolder.right = new FormAttachment( 100, 0 );
    fdTabFolder.bottom = new FormAttachment( 100, -50 );
    wTabFolder.setLayoutData( fdTabFolder );

    // set the selection to the first tab
    wTabFolder.setSelection( 0 );

    // THE BUTTONS
    wOK = new Button( shell, SWT.PUSH );
    wOK.setText( BaseMessages.getString( PKG, "System.Button.OK" ) );
    wSQL = new Button( shell, SWT.PUSH );
    wSQL.setText( BaseMessages.getString( PKG, "GPLoadDialog.SQL.Button" ) );
    wCancel = new Button( shell, SWT.PUSH );
    wCancel.setText( BaseMessages.getString( PKG, "System.Button.Cancel" ) );

    setButtonPositions( new Button[] { wOK, wSQL, wCancel }, margin, wTabFolder );

    //
    // Search the fields in the background
    //

    final Runnable runnable = new Runnable() {
      public void run() {
        StepMeta stepMeta = transMeta.findStep( stepname );
        if ( stepMeta != null ) {
          try {
            RowMetaInterface row = transMeta.getPrevStepFields( stepMeta );

            // Remember these fields...
            for ( int i = 0; i < row.size(); i++ ) {
              inputFields.put( row.getValueMeta( i ).getName(), i );
            }

            setComboBoxes();
          } catch ( KettleException e ) {
            logError( BaseMessages.getString( PKG, "System.Dialog.GetFieldsFailed.Message" ) );
          }
        }
      }
    };
    new Thread( runnable ).start();

    // Add listeners
    lsOK = new Listener() {
      public void handleEvent( Event e ) {
        ok();
      }
    };

    lsSQL = new Listener() {
      public void handleEvent( Event e ) {
        create();
      }
    };
    lsCancel = new Listener() {
      public void handleEvent( Event e ) {
        cancel();
      }
    };

    wOK.addListener( SWT.Selection, lsOK );
    wSQL.addListener( SWT.Selection, lsSQL );
    wCancel.addListener( SWT.Selection, lsCancel );

    lsDef = new SelectionAdapter() {
      public void widgetDefaultSelected( SelectionEvent e ) {
        ok();
      }
    };

    wStepname.addSelectionListener( lsDef );
    wSchema.addSelectionListener( lsDef );
    wTable.addSelectionListener( lsDef );
    wMaxErrors.addSelectionListener( lsDef );
    wControlFile.addSelectionListener( lsDef );
    wDataFile.addSelectionListener( lsDef );
    wLogFile.addSelectionListener( lsDef );
    wNullAs.addSelectionListener( lsDef );

    // Detect X or ALT-F4 or something that kills this window...
    shell.addShellListener( new ShellAdapter() {
      public void shellClosed( ShellEvent e ) {
        cancel();
      }
    } );

    wbTable.addSelectionListener( new SelectionAdapter() {
      public void widgetSelected( SelectionEvent e ) {
        getTableName( wSchema, wTable );
      }
    } );

    // Set the shell size, based upon previous time...
    setSize();

    getData();
    setTableFieldCombo();
    input.setChanged( changed );

    shell.open();
    while ( !shell.isDisposed() ) {
      if ( !display.readAndDispatch() ) {
        display.sleep();
      }
    }
    return stepname;
  }

  /**
   * Reads in the fields from the previous steps and from the ONE next step and opens an EnterMappingDialog with this
   * information. After the user did the mapping, those information is put into the Select/Rename table.
   */
  private void generateMappings() {

    // Determine the source and target fields...
    //
    RowMetaInterface sourceFields;
    RowMetaInterface targetFields;

    try {
      sourceFields = transMeta.getPrevStepFields( stepMeta );
    } catch ( KettleException e ) {
      new ErrorDialog( shell, BaseMessages.getString( PKG, "GPLoadDialog.DoMapping.UnableToFindSourceFields.Title" ),
          BaseMessages.getString( PKG, "GPLoadDialog.DoMapping.UnableToFindSourceFields.Message" ), e );
      return;
    }
    // refresh data
    input.setDatabaseMeta( transMeta.findDatabase( wConnection.getText() ) );
    input.setTableName( transMeta.environmentSubstitute( wTable.getText() ) );
    StepMetaInterface stepMetaInterface = stepMeta.getStepMetaInterface();
    try {
      targetFields = stepMetaInterface.getRequiredFields( transMeta );
    } catch ( KettleException e ) {
      new ErrorDialog( shell, BaseMessages.getString( PKG, "GPLoadDialog.DoMapping.UnableToFindTargetFields.Title" ),
          BaseMessages.getString( PKG, "GPLoadDialog.DoMapping.UnableToFindTargetFields.Message" ), e );
      return;
    }

    String[] inputNames = new String[sourceFields.size()];
    for ( int i = 0; i < sourceFields.size(); i++ ) {
      ValueMetaInterface value = sourceFields.getValueMeta( i );
      inputNames[i] = value.getName() + EnterMappingDialog.STRING_ORIGIN_SEPARATOR + value.getOrigin() + ")";
    }

    // Create the existing mapping list...
    //
    List<SourceToTargetMapping> mappings = new ArrayList<SourceToTargetMapping>();
    StringBuilder missingSourceFields = new StringBuilder();
    StringBuilder missingTargetFields = new StringBuilder();

    int nrFields = wReturn.nrNonEmpty();
    for ( int i = 0; i < nrFields; i++ ) {
      TableItem item = wReturn.getNonEmpty( i );
      String source = item.getText( 2 );
      String target = item.getText( 1 );

      int sourceIndex = sourceFields.indexOfValue( source );
      if ( sourceIndex < 0 ) {
        missingSourceFields.append( Const.CR ).append( "   " ).append( source ).append( " --> " ).append( target );
      }
      int targetIndex = targetFields.indexOfValue( target );
      if ( targetIndex < 0 ) {
        missingTargetFields.append( Const.CR ).append( "   " ).append( source ).append( " --> " ).append( target );
      }
      if ( sourceIndex < 0 || targetIndex < 0 ) {
        continue;
      }

      SourceToTargetMapping mapping = new SourceToTargetMapping( sourceIndex, targetIndex );
      mappings.add( mapping );
    }

    // show a confirm dialog if some missing field was found
    //
    if ( missingSourceFields.length() > 0 || missingTargetFields.length() > 0 ) {

      String message = "";
      if ( missingSourceFields.length() > 0 ) {
        message +=
            BaseMessages.getString( PKG, "GPLoadDialog.DoMapping.SomeSourceFieldsNotFound", missingSourceFields
                .toString() )
                + Const.CR;
      }
      if ( missingTargetFields.length() > 0 ) {
        message +=
            BaseMessages.getString( PKG, "GPLoadDialog.DoMapping.SomeTargetFieldsNotFound", missingSourceFields
                .toString() )
                + Const.CR;
      }
      message += Const.CR;
      message += BaseMessages.getString( PKG, "GPLoadDialog.DoMapping.SomeFieldsNotFoundContinue" ) + Const.CR;
      MessageDialog.setDefaultImage( GUIResource.getInstance().getImageSpoon() );
      boolean goOn =
          MessageDialog.openConfirm( shell, BaseMessages.getString( PKG,
              "GPLoadDialog.DoMapping.SomeFieldsNotFoundTitle" ), message );
      if ( !goOn ) {
        return;
      }
    }
    EnterMappingDialog d =
        new EnterMappingDialog( GPLoadDialog.this.shell, sourceFields.getFieldNames(), targetFields.getFieldNames(),
            mappings );
    mappings = d.open();

    // mappings == null if the user pressed cancel
    //
    if ( mappings != null ) {
      // Clear and re-populate!
      //
      wReturn.table.removeAll();
      wReturn.table.setItemCount( mappings.size() );
      for ( int i = 0; i < mappings.size(); i++ ) {
        SourceToTargetMapping mapping = mappings.get( i );
        TableItem item = wReturn.table.getItem( i );
        item.setText( 2, sourceFields.getValueMeta( mapping.getSourcePosition() ).getName() );
        item.setText( 1, targetFields.getValueMeta( mapping.getTargetPosition() ).getName() );
      }
      wReturn.setRowNums();
      wReturn.optWidth( true );
    }
  }

  private void setTableFieldCombo() {
    Runnable fieldLoader = new Runnable() {
      public void run() {
        if ( !wTable.isDisposed() && !wConnection.isDisposed() && !wSchema.isDisposed() ) {
          final String tableName = wTable.getText(), connectionName = wConnection.getText(), schemaName =
              wSchema.getText();

          // clear
          for ( ColumnInfo colInfo : tableFieldColumns ) {
            colInfo.setComboValues( new String[] {} );
          }
          if ( !Utils.isEmpty( tableName ) ) {
            DatabaseMeta ci = transMeta.findDatabase( connectionName );
            if ( ci != null ) {
              Database db = new Database( loggingObject, ci );
              try {
                db.connect();

                String schemaTable =
                    ci.getQuotedSchemaTableCombination( transMeta.environmentSubstitute( schemaName ), transMeta
                        .environmentSubstitute( tableName ) );
                RowMetaInterface r = db.getTableFields( schemaTable );
                if ( null != r ) {
                  String[] fieldNames = r.getFieldNames();
                  if ( null != fieldNames ) {
                    for ( ColumnInfo colInfo : tableFieldColumns ) {
                      colInfo.setComboValues( fieldNames );
                    }
                  }
                }
              } catch ( Exception e ) {
                for ( ColumnInfo colInfo : tableFieldColumns ) {
                  colInfo.setComboValues( new String[] {} );
                }
                // ignore any errors here. drop downs will not be
                // filled, but no problem for the user
              }
            }
          }
        }
      }
    };
    shell.getDisplay().asyncExec( fieldLoader );
  }

  protected void setComboBoxes() {
    // Something was changed in the row.
    //
    final Map<String, Integer> fields = new HashMap<String, Integer>();

    // Add the currentMeta fields...
    fields.putAll( inputFields );

    Set<String> keySet = fields.keySet();
    List<String> entries = new ArrayList<String>( keySet );

    String[] fieldNames = entries.toArray( new String[entries.size()] );
    Const.sortStrings( fieldNames );
    // return fields
    ciReturn[1].setComboValues( fieldNames );
  }

  /**
   * Copy information from the meta-data input to the dialog fields.
   */
  public void getData() {
    int i;
    if ( log.isDebug() ) {
      logDebug( BaseMessages.getString( PKG, "GPLoadDialog.Log.GettingKeyInfo" ) );
    }

    if ( input.getMaxErrors() != null ) {
      wMaxErrors.setText( input.getMaxErrors() );
    }

    if ( input.getFieldTable() != null ) {
      for ( i = 0; i < input.getFieldTable().length; i++ ) {

        TableItem item = wReturn.table.getItem( i );
        if ( input.getFieldTable()[i] != null ) {
          item.setText( 1, input.getFieldTable()[i] );
        }
        if ( input.getFieldStream()[i] != null ) {
          item.setText( 2, input.getFieldStream()[i] );
        }
        String dateMask = input.getDateMask()[i];
        if ( dateMask != null ) {
          if ( GPLoadMeta.DATE_MASK_DATE.equals( dateMask ) ) {
            item.setText( 3, BaseMessages.getString( PKG, "GPLoadDialog.DateMask.Label" ) );
          } else if ( GPLoadMeta.DATE_MASK_DATETIME.equals( dateMask ) ) {
            item.setText( 3, BaseMessages.getString( PKG, "GPLoadDialog.DateTimeMask.Label" ) );
          } else {
            item.setText( 3, "" );
          }
        } else {
          item.setText( 3, "" );
        }
        item.setText( 4, ( input.getMatchColumn()[i] ? "Y" : "N" ) );
        item.setText( 5, ( input.getUpdateColumn()[i] ? "Y" : "N" ) );
      }
    }

    if ( input.getLocalHosts() != null ) {
      for ( i = 0; i < input.getLocalHosts().length; i++ ) {

        TableItem item = wLocalHosts.table.getItem( i );
        if ( input.getLocalHosts()[i] != null ) {
          item.setText( 1, input.getLocalHosts()[i] );
        }
      }
    }

    if ( input.getDatabaseMeta() != null ) {
      wConnection.setText( input.getDatabaseMeta().getName() );
    } else {
      if ( transMeta.nrDatabases() == 1 ) {
        wConnection.setText( transMeta.getDatabase( 0 ).getName() );
      }
    }
    if ( input.getSchemaName() != null ) {
      wSchema.setText( input.getSchemaName() );
    }
    if ( input.getTableName() != null ) {
      wTable.setText( input.getTableName() );
    }
    if ( input.getErrorTableName() != null ) {
      wErrorTable.setText( input.getErrorTableName() );
    }
    if ( input.getGploadPath() != null ) {
      wGploadPath.setText( input.getGploadPath() );
    }
    if ( input.getControlFile() != null ) {
      wControlFile.setText( input.getControlFile() );
    }
    if ( input.getDataFile() != null ) {
      wDataFile.setText( input.getDataFile() );
    }
    if ( input.getDelimiter() != null ) {
      wDelimiter.setText( input.getDelimiter() );
    }
    if ( input.getLogFile() != null ) {
      wLogFile.setText( input.getLogFile() );
    }
    if ( input.getNullAs() != null ) {
      wNullAs.setText( input.getNullAs() );
    }
    if ( input.getEncoding() != null ) {
      wEncoding.setText( input.getEncoding() );
    }
    if ( input.getLocalhostPort() != null ) {
      wLocalhostPort.setText( input.getLocalhostPort() );
    }
    if ( input.getUpdateCondition() != null ) {
      wUpdateCondition.setText( input.getUpdateCondition() );
    }
    this.wEraseFiles.setSelection( input.isEraseFiles() );

    String method = input.getLoadMethod();
    // if ( GPLoadMeta.METHOD_AUTO_CONCURRENT.equals(method) )
    // {
    // wLoadMethod.select(0);
    // }
    if ( GPLoadMeta.METHOD_AUTO_END.equals( method ) ) {
      wLoadMethod.select( 0 );
    } else if ( GPLoadMeta.METHOD_MANUAL.equals( method ) ) {
      wLoadMethod.select( 1 );
    } else {
      if ( log.isDebug() ) {
        logDebug( "Internal error: load_method set to default 'auto at end'" );
      }
      wLoadMethod.select( 0 );
    }

    String action = input.getLoadAction();
    if ( GPLoadMeta.ACTION_INSERT.equals( action ) ) {
      wLoadAction.select( 0 );
    } else if ( GPLoadMeta.ACTION_UPDATE.equals( action ) ) {
      wLoadAction.select( 1 );
    } else if ( GPLoadMeta.ACTION_MERGE.equals( action ) ) {
      wLoadAction.select( 2 );
    } else {
      if ( log.isDebug() ) {
        logDebug( "Internal error: load_action set to default '" + GPLoadMeta.ACTION_INSERT + "'" );
      }
      wLoadAction.select( 0 );
    }

    wStepname.selectAll();
    wReturn.setRowNums();
    wReturn.optWidth( true );
  }

  private void cancel() {
    stepname = null;
    input.setChanged( changed );
    dispose();
  }

  private void getInfo( GPLoadMeta inf ) {
    int nrfields = wReturn.nrNonEmpty();

    inf.allocate( nrfields );
    inf.setMaxErrors( wMaxErrors.getText() );

    if ( log.isDebug() ) {
      logDebug( BaseMessages.getString( PKG, "GPLoadDialog.Log.FoundFields", "" + nrfields ) );
    }

    // CHECKSTYLE:Indentation:OFF
    for ( int i = 0; i < nrfields; i++ ) {

      TableItem item = wReturn.getNonEmpty( i );
      inf.getFieldTable()[i] = item.getText( 1 );
      inf.getFieldStream()[i] = item.getText( 2 );

      if ( BaseMessages.getString( PKG, "GPLoadDialog.DateMask.Label" ).equals( item.getText( 3 ) ) ) {
        inf.getDateMask()[i] = GPLoadMeta.DATE_MASK_DATE;
      } else if ( BaseMessages.getString( PKG, "GPLoadDialog.DateTimeMask.Label" ).equals( item.getText( 3 ) ) ) {
        inf.getDateMask()[i] = GPLoadMeta.DATE_MASK_DATETIME;
      } else {
        inf.getDateMask()[i] = "";
      }

      inf.getMatchColumn()[i] = "Y".equalsIgnoreCase( item.getText( 4 ) );
      inf.getUpdateColumn()[i] = "Y".equalsIgnoreCase( item.getText( 5 ) );
    }

    int numberOfLocalHosts = wLocalHosts.nrNonEmpty();
    inf.allocateLocalHosts( numberOfLocalHosts );

    for ( int i = 0; i < numberOfLocalHosts; i++ ) {
      TableItem item = wLocalHosts.getNonEmpty( i );
      inf.getLocalHosts()[i] = item.getText( 1 );
    }

    inf.setSchemaName( wSchema.getText() );
    inf.setTableName( wTable.getText() );
    inf.setErrorTableName( wErrorTable.getText() );
    inf.setDatabaseMeta( transMeta.findDatabase( wConnection.getText() ) );
    inf.setGploadPath( wGploadPath.getText() );
    inf.setControlFile( wControlFile.getText() );
    inf.setDataFile( wDataFile.getText() );
    inf.setLogFile( wLogFile.getText() );
    inf.setNullAs( wNullAs.getText() );
    inf.setEncoding( wEncoding.getText() );
    inf.setEraseFiles( wEraseFiles.getSelection() );
    inf.setLocalhostPort( wLocalhostPort.getText() );
    inf.setDelimiter( wDelimiter.getText() );
    inf.setUpdateCondition( wUpdateCondition.getText() );

    /*
     * Set the loadmethod
     */
    String method = wLoadMethod.getText();
    // if ( BaseMessages.getString(PKG,
    // "GPLoadDialog.AutoConcLoadMethod.Label").equals(method) )
    // {
    // inf.setLoadMethod(GPLoadMeta.METHOD_AUTO_CONCURRENT);
    // }
    if ( BaseMessages.getString( PKG, "GPLoadDialog.AutoEndLoadMethod.Label" ).equals( method ) ) {
      inf.setLoadMethod( GPLoadMeta.METHOD_AUTO_END );
    } else if ( BaseMessages.getString( PKG, "GPLoadDialog.ManualLoadMethod.Label" ).equals( method ) ) {
      inf.setLoadMethod( GPLoadMeta.METHOD_MANUAL );
    } else {
      if ( log.isDebug() ) {
        logDebug( "Internal error: load_method set to default 'auto concurrent', value found '" + method + "'." );
      }
      inf.setLoadMethod( GPLoadMeta.METHOD_AUTO_END );
    }

    /*
     * Set the load action
     */
    String action = wLoadAction.getText();
    if ( BaseMessages.getString( PKG, "GPLoadDialog.InsertLoadAction.Label" ).equals( action ) ) {
      inf.setLoadAction( GPLoadMeta.ACTION_INSERT );
    } else if ( BaseMessages.getString( PKG, "GPLoadDialog.UpdateLoadAction.Label" ).equals( action ) ) {
      inf.setLoadAction( GPLoadMeta.ACTION_UPDATE );
    } else if ( BaseMessages.getString( PKG, "GPLoadDialog.MergeLoadAction.Label" ).equals( action ) ) {
      inf.setLoadAction( GPLoadMeta.ACTION_MERGE );
    } else {
      if ( log.isDebug() ) {
        logDebug( "Internal error: load_action set to default 'append', value found '" + action + "'." );
      }
      inf.setLoadAction( GPLoadMeta.ACTION_INSERT );
    }

    stepname = wStepname.getText(); // return value
  }

  private void ok() {
    if ( Utils.isEmpty( wStepname.getText() ) ) {
      return;
    }

    // Get the information for the dialog into the input structure.
    getInfo( input );

    if ( input.getDatabaseMeta() == null ) {
      MessageBox mb = new MessageBox( shell, SWT.OK | SWT.ICON_ERROR );
      mb.setMessage( BaseMessages.getString( PKG, "GPLoadDialog.InvalidConnection.DialogMessage" ) );
      mb.setText( BaseMessages.getString( PKG, "GPLoadDialog.InvalidConnection.DialogTitle" ) );
      mb.open();
    }

    dispose();
  }

  private void getTableName( TextVar schema, TextVar tableName ) {
    DatabaseMeta inf = null;
    // New class: SelectTableDialog
    int connr = wConnection.getSelectionIndex();
    if ( connr >= 0 ) {
      inf = transMeta.getDatabase( connr );
    }

    if ( inf != null ) {
      if ( log.isDebug() ) {
        logDebug( BaseMessages.getString( PKG, "GPLoadDialog.Log.LookingAtConnection" ) + inf.toString() );
      }

      DatabaseExplorerDialog std = new DatabaseExplorerDialog( shell, SWT.NONE, inf, transMeta.getDatabases() );
      std.setSelectedSchemaAndTable( wSchema.getText(), wTable.getText() );
      if ( std.open() ) {
        schema.setText( Const.NVL( std.getSchemaName(), "" ) );
        tableName.setText( Const.NVL( std.getTableName(), "" ) );
      }
    } else {
      MessageBox mb = new MessageBox( shell, SWT.OK | SWT.ICON_ERROR );
      mb.setMessage( BaseMessages.getString( PKG, "GPLoadDialog.InvalidConnection.DialogMessage" ) );
      mb.setText( BaseMessages.getString( PKG, "GPLoadDialog.InvalidConnection.DialogTitle" ) );
      mb.open();
    }
  }

  private void getUpdate() {
    try {
      RowMetaInterface r = transMeta.getPrevStepFields( stepname );
      if ( r != null ) {
        TableItemInsertListener listener = new TableItemInsertListener() {
          public boolean tableItemInserted( TableItem tableItem, ValueMetaInterface v ) {
            if ( v.getType() == ValueMetaInterface.TYPE_DATE ) {
              // The default is date mask.
              tableItem.setText( 3, BaseMessages.getString( PKG, "GPLoadDialog.DateMask.Label" ) );
            } else {
              tableItem.setText( 3, "" );
            }
            return true;
          }
        };
        BaseStepDialog.getFieldsFromPrevious( r, wReturn, 1, new int[] { 1, 2 }, new int[] {}, -1, -1, listener );
      }
    } catch ( KettleException ke ) {
      new ErrorDialog( shell, BaseMessages.getString( PKG, "GPLoadDialog.FailedToGetFields.DialogTitle" ), BaseMessages
          .getString( PKG, "GPLoadDialog.FailedToGetFields.DialogMessage" ), ke );
    }
  }

  // Generate code for create table...
  // Conversions done by Database
  private void create() {
    try {
      GPLoadMeta info = new GPLoadMeta();
      getInfo( info );

      String name = stepname; // new name might not yet be linked to other
      // steps!
      StepMeta stepMeta = new StepMeta( BaseMessages.getString( PKG, "GPLoadDialog.StepMeta.Title" ), name, info );
      RowMetaInterface prev = transMeta.getPrevStepFields( stepname );

      SQLStatement sql = info.getSQLStatements( transMeta, stepMeta, prev, repository, metaStore );
      if ( !sql.hasError() ) {
        if ( sql.hasSQL() ) {
          SQLEditor sqledit =
              new SQLEditor( transMeta, shell, SWT.NONE, info.getDatabaseMeta(), transMeta.getDbCache(), sql.getSQL() );
          sqledit.open();
        } else {
          MessageBox mb = new MessageBox( shell, SWT.OK | SWT.ICON_INFORMATION );
          mb.setMessage( BaseMessages.getString( PKG, "GPLoadDialog.NoSQLNeeds.DialogMessage" ) );
          mb.setText( BaseMessages.getString( PKG, "GPLoadDialog.NoSQLNeeds.DialogTitle" ) );
          mb.open();
        }
      } else {
        MessageBox mb = new MessageBox( shell, SWT.OK | SWT.ICON_ERROR );
        mb.setMessage( sql.getError() );
        mb.setText( BaseMessages.getString( PKG, "GPLoadDialog.SQLError.DialogTitle" ) );
        mb.open();
      }
    } catch ( KettleException ke ) {
      new ErrorDialog( shell, BaseMessages.getString( PKG, "GPLoadDialog.CouldNotBuildSQL.DialogTitle" ), BaseMessages
          .getString( PKG, "GPLoadDialog.CouldNotBuildSQL.DialogMessage" ), ke );
    }

  }

  private void addFieldTabItem( CTabFolder tabFolder, int margin, ModifyListener lsMod ) {

    Label wlLoadAction;
    FormData fdFieldsComp;
    Button wDoMapping;
    FormData fdDoMapping;

    // create the fields tab item
    CTabItem tabItem = new CTabItem( tabFolder, SWT.NONE );
    tabItem.setText( BaseMessages.getString( PKG, "GPLoadDialog.FieldsTab.Title" ) );

    // Create the composite that the individual controls will be placed in
    Composite wFieldsComp = new Composite( tabFolder, SWT.NONE );
    props.setLook( wFieldsComp );

    FormLayout tabFieldLayout = new FormLayout();
    tabFieldLayout.marginWidth = 3;
    tabFieldLayout.marginHeight = 3;
    wFieldsComp.setLayout( tabFieldLayout );

    // Load Action line
    wlLoadAction = new Label( wFieldsComp, 0 );
    wlLoadAction.setText( BaseMessages.getString( PKG, "GPLoadDialog.LoadAction.Label" ) );
    props.setLook( wlLoadAction );
    FormData fdlLoadAction = new FormData();
    fdlLoadAction.left = new FormAttachment( 0, 0 );
    fdlLoadAction.top = new FormAttachment( 0, margin );
    wlLoadAction.setLayoutData( fdlLoadAction );

    wLoadAction = new CCombo( wFieldsComp, SWT.SINGLE | SWT.READ_ONLY | SWT.BORDER );
    wLoadAction.add( BaseMessages.getString( PKG, "GPLoadDialog.InsertLoadAction.Label" ) );
    wLoadAction.add( BaseMessages.getString( PKG, "GPLoadDialog.UpdateLoadAction.Label" ) );
    wLoadAction.add( BaseMessages.getString( PKG, "GPLoadDialog.MergeLoadAction.Label" ) );

    wLoadAction.select( 0 ); // +1: starts at -1
    wLoadAction.addModifyListener( lsMod );

    props.setLook( wLoadAction );
    FormData fdLoadAction = new FormData();
    fdLoadAction.left = new FormAttachment( wlLoadAction, margin );
    fdLoadAction.top = new FormAttachment( 0, margin );
    wLoadAction.setLayoutData( fdLoadAction );

    wDoMapping = new Button( wFieldsComp, SWT.PUSH );
    wDoMapping.setText( BaseMessages.getString( PKG, "GPLoadDialog.EditMapping.Label" ) );
    fdDoMapping = new FormData();
    fdDoMapping.top = new FormAttachment( 0, margin );
    fdDoMapping.right = new FormAttachment( 75, 0 );
    wDoMapping.setLayoutData( fdDoMapping );

    Button wGetLU = new Button( wFieldsComp, SWT.PUSH );
    wGetLU.setText( BaseMessages.getString( PKG, "GPLoadDialog.GetFields.Label" ) );
    FormData fdGetLU = new FormData();
    fdGetLU.top = new FormAttachment( 0, margin );
    fdGetLU.right = new FormAttachment( wDoMapping, -margin );
    wGetLU.setLayoutData( fdGetLU );

    wDoMapping.addListener( SWT.Selection, new Listener() {
      public void handleEvent( Event arg0 ) {
        generateMappings();
      }
    } );

    // The Field Table
    int numberOfColumns = 5;
    int UpInsRows = ( input.getFieldTable() != null ? input.getFieldTable().length : 1 );

    ciReturn = new ColumnInfo[numberOfColumns];

    ciReturn[0] =
        new ColumnInfo( BaseMessages.getString( PKG, "GPLoadDialog.ColumnInfo.TableField" ),
            ColumnInfo.COLUMN_TYPE_CCOMBO, new String[] { "" }, false );

    ciReturn[1] =
        new ColumnInfo( BaseMessages.getString( PKG, "GPLoadDialog.ColumnInfo.StreamField" ),
            ColumnInfo.COLUMN_TYPE_CCOMBO, new String[] { "" }, false );

    ciReturn[2] =
        new ColumnInfo( BaseMessages.getString( PKG, "GPLoadDialog.ColumnInfo.DateMask" ),
            ColumnInfo.COLUMN_TYPE_CCOMBO, new String[] { "",
              BaseMessages.getString( PKG, "GPLoadDialog.DateMask.Label" ),
              BaseMessages.getString( PKG, "GPLoadDialog.DateTimeMask.Label" ) }, true );

    ciReturn[3] =
        new ColumnInfo( BaseMessages.getString( PKG, "GPLoadDialog.ColumnInfo.ColumnMatch" ),
            ColumnInfo.COLUMN_TYPE_CCOMBO, new String[] { BaseMessages.getString( PKG, "System.Combo.Yes" ),
              BaseMessages.getString( PKG, "System.Combo.No" ) }, true );

    ciReturn[4] =
        new ColumnInfo( BaseMessages.getString( PKG, "GPLoadDialog.ColumnInfo.ColumnUpdate" ),
            ColumnInfo.COLUMN_TYPE_CCOMBO, new String[] { BaseMessages.getString( PKG, "System.Combo.Yes" ),
              BaseMessages.getString( PKG, "System.Combo.No" ) }, true );

    tableFieldColumns.add( ciReturn[0] );

    wReturn =
        new TableView( transMeta, wFieldsComp, SWT.BORDER | SWT.FULL_SELECTION | SWT.MULTI | SWT.V_SCROLL
            | SWT.H_SCROLL, ciReturn, UpInsRows, lsMod, props );

    FormData fdReturn = new FormData();
    fdReturn.left = new FormAttachment( 0, 0 );
    fdReturn.top = new FormAttachment( wLoadAction, margin );
    fdReturn.right = new FormAttachment( 75, 0 ); // (wGetLU, 100);
    fdReturn.bottom = new FormAttachment( 100, -2 * margin );
    wReturn.setLayoutData( fdReturn );

    fdFieldsComp = new FormData();
    fdFieldsComp.left = new FormAttachment( 0, 0 );
    fdFieldsComp.top = new FormAttachment( 0, margin );
    fdFieldsComp.right = new FormAttachment( 100, 0 );
    fdFieldsComp.bottom = new FormAttachment( 100, 0 );
    wFieldsComp.setLayoutData( fdFieldsComp );

    Label wlUpdateCondition = new Label( wFieldsComp, 0 );
    wlUpdateCondition.setText( BaseMessages.getString( PKG, "GPLoadDialog.UpdateCondition.Label" ) );
    props.setLook( wlUpdateCondition );
    FormData fdlUpdateCondition = new FormData();
    fdlUpdateCondition.top = new FormAttachment( wDoMapping, margin );
    fdlUpdateCondition.left = new FormAttachment( wReturn, margin );
    wlUpdateCondition.setLayoutData( fdlUpdateCondition );

    wUpdateCondition = new Text( wFieldsComp, SWT.MULTI | SWT.WRAP | SWT.LEFT | SWT.BORDER );
    props.setLook( wUpdateCondition );
    wUpdateCondition.addModifyListener( lsMod );
    FormData fdUpdateCondition = new FormData();
    fdUpdateCondition.top = new FormAttachment( wlUpdateCondition, margin );
    fdUpdateCondition.left = new FormAttachment( wReturn, margin );
    fdUpdateCondition.right = new FormAttachment( 100, -margin );
    fdUpdateCondition.bottom = new FormAttachment( 50, 0 );
    wUpdateCondition.setLayoutData( fdUpdateCondition );

    wFieldsComp.layout();
    tabItem.setControl( wFieldsComp );

    Listener lsGetLU = new Listener() {
      public void handleEvent( Event e ) {
        getUpdate();
      }
    };

    wGetLU.addListener( SWT.Selection, lsGetLU );
  }

  private void addLocalHostsTabItem( CTabFolder tabFolder, int margin, ModifyListener lsMod, FocusListener lsFocusLost ) {

    CTabItem tabItem = new CTabItem( tabFolder, SWT.NONE );
    tabItem.setText( BaseMessages.getString( PKG, "GPLoadDialog.LocalHostsTab.Title" ) );

    Composite wLocalHostsComp = new Composite( tabFolder, SWT.NONE );
    props.setLook( wLocalHostsComp );
    int middle = props.getMiddlePct();

    FormLayout formLayout = new FormLayout();
    formLayout.marginWidth = 3;
    formLayout.marginHeight = 3;
    wLocalHostsComp.setLayout( formLayout );

    // Master Port line...
    Label wlLocalhostPort = new Label( wLocalHostsComp, SWT.NONE );
    wlLocalhostPort.setText( BaseMessages.getString( PKG, "GPLoadDialog.Port.Label" ) );
    props.setLook( wlLocalhostPort );
    FormData fdlLocalhostPort = new FormData();
    fdlLocalhostPort.left = new FormAttachment( 0, 0 );
    fdlLocalhostPort.top = new FormAttachment( 0, margin * 2 );
    wlLocalhostPort.setLayoutData( fdlLocalhostPort );

    wLocalhostPort = new TextVar( transMeta, wLocalHostsComp, SWT.SINGLE | SWT.LEFT | SWT.BORDER );
    props.setLook( wLocalhostPort );
    wLocalhostPort.addModifyListener( lsMod );
    wLocalhostPort.addFocusListener( lsFocusLost );
    FormData fdLocalhostPort = new FormData();
    fdLocalhostPort.left = new FormAttachment( wlLocalhostPort, margin );
    fdLocalhostPort.top = new FormAttachment( 0, margin * 2 );
    fdLocalhostPort.right = new FormAttachment( middle, 0 );
    wLocalhostPort.setLayoutData( fdLocalhostPort );
    wLocalhostPort.addModifyListener( lsMod );

    // Local Hosts Label
    Label wlLocalHosts = new Label( wLocalHostsComp, SWT.NONE );
    wlLocalHosts.setText( BaseMessages.getString( PKG, "GPLoadDialog.LocalHosts.Label" ) );
    props.setLook( wlLocalHosts );
    FormData fdlLocalHosts = new FormData();
    fdlLocalHosts.left = new FormAttachment( 0, 0 );
    fdlLocalHosts.top = new FormAttachment( wLocalhostPort, margin );
    wlLocalHosts.setLayoutData( fdlLocalHosts );

    // Local Hosts Table
    int LocalHostsColumns = 1;
    int LocalHostsRows = ( input.getLocalHosts() != null ? input.getLocalHosts().length : 1 );
    ciLocalHosts = new ColumnInfo[LocalHostsColumns];
    ciLocalHosts[0] =
        new ColumnInfo( BaseMessages.getString( PKG, "GPLoadDialog.ColumnInfo.LocalHosts" ),
            ColumnInfo.COLUMN_TYPE_TEXT, new String[] { "" }, false );

    localHostsColumns.add( ciReturn[0] );
    wLocalHosts =
        new TableView( transMeta, wLocalHostsComp, SWT.BORDER | SWT.FULL_SELECTION | SWT.MULTI | SWT.V_SCROLL
            | SWT.H_SCROLL, ciLocalHosts, LocalHostsRows, lsMod, props );

    FormData fdLocalHostsComp = new FormData();
    fdLocalHostsComp.left = new FormAttachment( 0, 0 );
    fdLocalHostsComp.top = new FormAttachment( wlLocalHosts, margin );
    fdLocalHostsComp.right = new FormAttachment( 75, 0 );
    fdLocalHostsComp.bottom = new FormAttachment( 100, -margin );
    wLocalHosts.setLayoutData( fdLocalHostsComp );

    wLocalHostsComp.layout();
    tabItem.setControl( wLocalHostsComp );
  }

  private void addGPConfigTabItem( CTabFolder tabFolder, int margin, ModifyListener lsMod, FocusListener lsFocusLost ) {

    Composite wGPConfigTabComp;

    CTabItem tabItem = new CTabItem( tabFolder, SWT.NONE );
    tabItem.setText( BaseMessages.getString( PKG, "GPLoadDialog.GPConfiguratonTab.Title" ) );

    wGPConfigTabComp = new Composite( tabFolder, SWT.NONE );
    props.setLook( wGPConfigTabComp );
    int middle = props.getMiddlePct();

    FormLayout formlayout = new FormLayout();
    formlayout.marginWidth = 3;
    formlayout.marginHeight = 3;
    wGPConfigTabComp.setLayout( formlayout );

    // GPLoad line...
    Label wlGploadPath = new Label( wGPConfigTabComp, SWT.RIGHT );
    wlGploadPath.setText( BaseMessages.getString( PKG, "GPLoadDialog.GPLoadPath.Label" ) );
    props.setLook( wlGploadPath );
    FormData fdlGploadPath = new FormData();
    fdlGploadPath.left = new FormAttachment( 0, 0 );
    fdlGploadPath.right = new FormAttachment( middle, -margin );
    fdlGploadPath.top = new FormAttachment( 0, margin );
    wlGploadPath.setLayoutData( fdlGploadPath );

    Button wbGploadPath = new Button( wGPConfigTabComp, SWT.PUSH | SWT.CENTER );
    props.setLook( wbGploadPath );
    wbGploadPath.setText( BaseMessages.getString( PKG, "GPLoadDialog.Browse.Button" ) );
    FormData fdbGploadPath = new FormData();
    fdbGploadPath.right = new FormAttachment( 75, 0 );
    fdbGploadPath.top = new FormAttachment( 0, margin );
    wbGploadPath.setLayoutData( fdbGploadPath );

    wGploadPath = new TextVar( transMeta, wGPConfigTabComp, SWT.SINGLE | SWT.LEFT | SWT.BORDER );
    props.setLook( wGploadPath );
    wGploadPath.addModifyListener( lsMod );
    FormData fdGploadPath = new FormData();
    fdGploadPath.left = new FormAttachment( middle, 0 );
    fdGploadPath.top = new FormAttachment( 0, margin );
    fdGploadPath.right = new FormAttachment( wbGploadPath, -margin );
    wGploadPath.setLayoutData( fdGploadPath );

    Label wlControlFile = new Label( wGPConfigTabComp, SWT.RIGHT );
    wlControlFile.setText( BaseMessages.getString( PKG, "GPLoadDialog.ControlFile.Label" ) );
    props.setLook( wlControlFile );
    FormData fdlControlFile = new FormData();
    fdlControlFile.left = new FormAttachment( 0, 0 );
    fdlControlFile.top = new FormAttachment( wGploadPath, margin );
    fdlControlFile.right = new FormAttachment( middle, -margin );
    wlControlFile.setLayoutData( fdlControlFile );

    Button wbControlFile = new Button( wGPConfigTabComp, SWT.PUSH | SWT.CENTER );
    props.setLook( wbControlFile );
    wbControlFile.setText( BaseMessages.getString( PKG, "GPLoadDialog.Browse.Button" ) );
    FormData fdbControlFile = new FormData();
    fdbControlFile.right = new FormAttachment( 75, 0 );
    fdbControlFile.top = new FormAttachment( wGploadPath, margin );
    wbControlFile.setLayoutData( fdbControlFile );

    wControlFile = new TextVar( transMeta, wGPConfigTabComp, SWT.SINGLE | SWT.LEFT | SWT.BORDER );
    props.setLook( wControlFile );
    wControlFile.addModifyListener( lsMod );
    FormData fdControlFile = new FormData();
    fdControlFile.left = new FormAttachment( middle, 0 );
    fdControlFile.top = new FormAttachment( wGploadPath, margin );
    fdControlFile.right = new FormAttachment( wbControlFile, -margin );
    wControlFile.setLayoutData( fdControlFile );

    // Error Table line...
    Label wlErrorTable = new Label( wGPConfigTabComp, SWT.RIGHT );
    wlErrorTable.setText( BaseMessages.getString( PKG, "GPLoadDialog.ErrorTable.Label" ) );
    props.setLook( wlErrorTable );
    FormData fdlErrorTable = new FormData();
    fdlErrorTable.left = new FormAttachment( 0, 0 );
    fdlErrorTable.top = new FormAttachment( wControlFile, margin );
    fdlErrorTable.right = new FormAttachment( middle, -margin );
    wlErrorTable.setLayoutData( fdlErrorTable );

    Button wbErrorTable = new Button( wGPConfigTabComp, SWT.PUSH | SWT.CENTER );
    props.setLook( wbErrorTable );
    wbErrorTable.setText( BaseMessages.getString( PKG, "GPLoadDialog.Browse.Button" ) );
    FormData fdbErrorTable = new FormData();
    fdbErrorTable.right = new FormAttachment( 75, 0 );
    fdbErrorTable.top = new FormAttachment( wControlFile, margin );
    wbErrorTable.setLayoutData( fdbErrorTable );
    wErrorTable = new TextVar( transMeta, wGPConfigTabComp, SWT.SINGLE | SWT.LEFT | SWT.BORDER );
    props.setLook( wErrorTable );
    wErrorTable.addModifyListener( lsMod );
    wErrorTable.addFocusListener( lsFocusLost );
    FormData fdErrorTable = new FormData();
    fdErrorTable.left = new FormAttachment( middle, 0 );
    fdErrorTable.top = new FormAttachment( wControlFile, margin );
    fdErrorTable.right = new FormAttachment( wbErrorTable, -margin );
    wErrorTable.setLayoutData( fdErrorTable );

    // MaxErrors
    Label wlMaxErrors = new Label( wGPConfigTabComp, SWT.RIGHT );
    wlMaxErrors.setText( BaseMessages.getString( PKG, "GPLoadDialog.MaxErrors.Label" ) );
    props.setLook( wlMaxErrors );
    FormData fdlMaxErrors = new FormData();
    fdlMaxErrors.left = new FormAttachment( wbErrorTable, margin );
    fdlMaxErrors.top = new FormAttachment( wControlFile, margin );
    // fdlMaxErrors.right = new FormAttachment(100, -margin);
    wlMaxErrors.setLayoutData( fdlMaxErrors );

    wMaxErrors = new TextVar( transMeta, wGPConfigTabComp, SWT.SINGLE | SWT.LEFT | SWT.BORDER );
    props.setLook( wMaxErrors );
    wMaxErrors.addModifyListener( lsMod );
    FormData fdMaxErrors = new FormData();
    fdMaxErrors.left = new FormAttachment( wlMaxErrors, margin );
    fdMaxErrors.top = new FormAttachment( wControlFile, margin );
    fdMaxErrors.right = new FormAttachment( 100, 0 );
    wMaxErrors.setLayoutData( fdMaxErrors );

    // Log file line
    Label wlLogFile = new Label( wGPConfigTabComp, SWT.RIGHT );
    wlLogFile.setText( BaseMessages.getString( PKG, "GPLoadDialog.LogFile.Label" ) );
    props.setLook( wlLogFile );
    FormData fdlLogFile = new FormData();
    fdlLogFile.left = new FormAttachment( 0, 0 );
    fdlLogFile.top = new FormAttachment( wErrorTable, margin );
    fdlLogFile.right = new FormAttachment( middle, -margin );
    wlLogFile.setLayoutData( fdlLogFile );

    Button wbLogFile = new Button( wGPConfigTabComp, SWT.PUSH | SWT.CENTER );
    props.setLook( wbLogFile );
    wbLogFile.setText( BaseMessages.getString( PKG, "GPLoadDialog.Browse.Button" ) );
    FormData fdbLogFile = new FormData();
    fdbLogFile.right = new FormAttachment( 75, 0 );
    fdbLogFile.top = new FormAttachment( wErrorTable, margin );
    wbLogFile.setLayoutData( fdbLogFile );

    wLogFile = new TextVar( transMeta, wGPConfigTabComp, SWT.SINGLE | SWT.LEFT | SWT.BORDER );
    props.setLook( wLogFile );
    wLogFile.addModifyListener( lsMod );
    FormData fdLogFile = new FormData();
    fdLogFile.left = new FormAttachment( middle, 0 );
    fdLogFile.top = new FormAttachment( wErrorTable, margin );
    fdLogFile.right = new FormAttachment( wbLogFile, -margin );
    wLogFile.setLayoutData( fdLogFile );

    // Data file line
    Label wlDataFile = new Label( wGPConfigTabComp, SWT.RIGHT );
    wlDataFile.setText( BaseMessages.getString( PKG, "GPLoadDialog.DataFile.Label" ) );
    props.setLook( wlDataFile );
    FormData fdlDataFile = new FormData();
    fdlDataFile.left = new FormAttachment( 0, 0 );
    fdlDataFile.top = new FormAttachment( wLogFile, margin );
    fdlDataFile.right = new FormAttachment( middle, -margin );
    wlDataFile.setLayoutData( fdlDataFile );

    Button wbDataFile = new Button( wGPConfigTabComp, SWT.PUSH | SWT.CENTER );
    props.setLook( wbDataFile );
    wbDataFile.setText( BaseMessages.getString( PKG, "GPLoadDialog.Browse.Button" ) );
    FormData fdbDataFile = new FormData();
    fdbDataFile.right = new FormAttachment( 75, 0 );
    fdbDataFile.top = new FormAttachment( wLogFile, margin );
    wbDataFile.setLayoutData( fdbDataFile );
    wDataFile = new TextVar( transMeta, wGPConfigTabComp, SWT.SINGLE | SWT.LEFT | SWT.BORDER );
    props.setLook( wDataFile );

    wDataFile.addModifyListener( lsMod );
    FormData fdDataFile = new FormData();
    fdDataFile.left = new FormAttachment( middle, 0 );
    fdDataFile.top = new FormAttachment( wLogFile, margin );
    fdDataFile.right = new FormAttachment( wbDataFile, -margin );
    wDataFile.setLayoutData( fdDataFile );

    Label wlDelimiter = new Label( wGPConfigTabComp, SWT.RIGHT );
    wlDelimiter.setText( BaseMessages.getString( PKG, "GPLoadDialog.Delimiter.Label" ) );
    props.setLook( wlDelimiter );
    FormData fdlDelimiter = new FormData();
    fdlDelimiter.left = new FormAttachment( wbDataFile, margin );
    fdlDelimiter.top = new FormAttachment( wLogFile, margin );
    wlDelimiter.setLayoutData( fdlDelimiter );

    wDelimiter = new TextVar( transMeta, wGPConfigTabComp, SWT.SINGLE | SWT.LEFT | SWT.BORDER );
    props.setLook( wMaxErrors );
    wDelimiter.addModifyListener( lsMod );
    FormData fdDelimiter = new FormData();
    fdDelimiter.left = new FormAttachment( wlDelimiter, margin );
    fdDelimiter.top = new FormAttachment( wLogFile, margin );
    fdDelimiter.right = new FormAttachment( 100, 0 );
    wDelimiter.setLayoutData( fdDelimiter );

    // NULL_AS parameter
    Label wlNullAs = new Label( wGPConfigTabComp, SWT.RIGHT );
    wlNullAs.setText( BaseMessages.getString( PKG, "GPLoadDialog.NullAs.Label" ) );
    props.setLook( wlNullAs );
    FormData fdlNullAs = new FormData();
    fdlNullAs.left = new FormAttachment( 0, 0 );
    fdlNullAs.top = new FormAttachment( wDataFile, margin );
    fdlNullAs.right = new FormAttachment( middle, -margin );
    wlNullAs.setLayoutData( fdlNullAs );

    wNullAs = new TextVar( transMeta, wGPConfigTabComp, SWT.SINGLE | SWT.LEFT | SWT.BORDER );
    props.setLook( wNullAs );
    wNullAs.addModifyListener( lsMod );
    FormData fdNullAs = new FormData();
    fdNullAs.left = new FormAttachment( middle, 0 );
    fdNullAs.top = new FormAttachment( wDataFile, margin );
    wNullAs.setLayoutData( fdNullAs );

    // Control encoding line
    //
    // The drop down is editable as it may happen an encoding may not be
    // present on one machine, but you may want to use it on your execution server
    //
    Label wlEncoding = new Label( wGPConfigTabComp, SWT.RIGHT );
    wlEncoding.setText( BaseMessages.getString( PKG, "GPLoadDialog.Encoding.Label" ) );
    props.setLook( wlEncoding );
    FormData fdlEncoding = new FormData();
    fdlEncoding.left = new FormAttachment( 0, 0 );
    fdlEncoding.top = new FormAttachment( wNullAs, margin );
    fdlEncoding.right = new FormAttachment( middle, -margin );
    wlEncoding.setLayoutData( fdlEncoding );

    wEncoding = new Combo( wGPConfigTabComp, SWT.SINGLE | SWT.LEFT | SWT.BORDER );
    wEncoding.setToolTipText( BaseMessages.getString( PKG, "GPLoadDialog.Encoding.Tooltip" ) );
    wEncoding.setItems( GPLoadMeta.SUPPORTED_ENCODINGS );
    props.setLook( wEncoding );
    FormData fdEncoding = new FormData();
    fdEncoding.left = new FormAttachment( middle, 0 );
    fdEncoding.top = new FormAttachment( wNullAs, margin );
    fdEncoding.right = new FormAttachment( 75, 0 );
    wEncoding.setLayoutData( fdEncoding );
    wEncoding.addModifyListener( lsMod );

    wGPConfigTabComp.layout();
    tabItem.setControl( wGPConfigTabComp );

    wbErrorTable.addSelectionListener( new SelectionAdapter() {
      public void widgetSelected( SelectionEvent e ) {
        getTableName( wSchema, wErrorTable );
      }
    } );

    wbGploadPath.addSelectionListener( new SelectionAdapter() {
      public void widgetSelected( SelectionEvent e ) {
        FileDialog dialog = new FileDialog( shell, SWT.OPEN );
        dialog.setFilterExtensions( new String[] { "*" } );
        if ( wGploadPath.getText() != null ) {
          dialog.setFileName( wGploadPath.getText() );
        }
        dialog.setFilterNames( ALL_FILETYPES );
        if ( dialog.open() != null ) {
          wGploadPath.setText( dialog.getFilterPath() + Const.FILE_SEPARATOR + dialog.getFileName() );
        }
      }
    } );

    wbControlFile.addSelectionListener( new SelectionAdapter() {
      public void widgetSelected( SelectionEvent e ) {
        FileDialog dialog = new FileDialog( shell, SWT.SAVE );
        dialog.setFilterExtensions( new String[] { "*" } );
        if ( wControlFile.getText() != null ) {
          dialog.setFileName( wControlFile.getText() );
        }
        dialog.setFilterNames( ALL_FILETYPES );
        if ( dialog.open() != null ) {
          wControlFile.setText( dialog.getFilterPath() + Const.FILE_SEPARATOR + dialog.getFileName() );
        }
      }
    } );

    wbDataFile.addSelectionListener( new SelectionAdapter() {
      public void widgetSelected( SelectionEvent e ) {
        FileDialog dialog = new FileDialog( shell, SWT.SAVE );
        dialog.setFilterExtensions( new String[] { "*" } );
        if ( wDataFile.getText() != null ) {
          dialog.setFileName( wDataFile.getText() );
        }
        dialog.setFilterNames( ALL_FILETYPES );
        if ( dialog.open() != null ) {
          wDataFile.setText( dialog.getFilterPath() + Const.FILE_SEPARATOR + dialog.getFileName() );
        }
      }
    } );

    wbLogFile.addSelectionListener( new SelectionAdapter() {
      public void widgetSelected( SelectionEvent e ) {
        FileDialog dialog = new FileDialog( shell, SWT.SAVE );
        dialog.setFilterExtensions( new String[] { "*" } );
        if ( wLogFile.getText() != null ) {
          dialog.setFileName( wLogFile.getText() );
        }
        dialog.setFilterNames( ALL_FILETYPES );
        if ( dialog.open() != null ) {
          wLogFile.setText( dialog.getFilterPath() + Const.FILE_SEPARATOR + dialog.getFileName() );
        }
      }
    } );
  }
}