CopyTableWizardPage3.java

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 *
 * Pentaho Data Integration
 *
 * Copyright (C) 2002-2013 by Pentaho : http://www.pentaho.com
 *
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 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * See the License for the specific language governing permissions and
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package org.pentaho.di.ui.spoon.wizards;

import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
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.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.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.pentaho.di.core.Const;
import org.pentaho.di.i18n.BaseMessages;
import org.pentaho.di.repository.Repository;
import org.pentaho.di.repository.RepositoryDirectoryInterface;
import org.pentaho.di.ui.core.PropsUI;
import org.pentaho.di.ui.repository.dialog.SelectDirectoryDialog;

/**
 *
 * On page one we select the name of the target transformation and the directory.
 *
 * @author Matt
 * @since 29-mar-05
 */
public class CopyTableWizardPage3 extends WizardPage {
  private static Class<?> PKG = CopyTableWizard.class; // for i18n purposes, needed by Translator2!!

  private Label wlTransname;

  private Text wTransname;

  private FormData fdlTransname, fdTransname;

  private Label wlDirectory;

  private Text wDirectory;

  private Button wbDirectory;

  private FormData fdlDirectory, fdbDirectory, fdDirectory;

  private PropsUI props;

  private Repository rep;

  private RepositoryDirectoryInterface directory;

  private Shell shell;

  public CopyTableWizardPage3( String arg, Repository rep ) {
    super( arg );
    this.props = PropsUI.getInstance();
    this.rep = rep;

    setTitle( BaseMessages.getString( PKG, "CopyTableWizardPage3.Dialog.Title" ) );
    setDescription( BaseMessages.getString( PKG, "CopyTableWizardPage3.Dialog.Description" ) );

    setPageComplete( false );
  }

  public void createControl( Composite parent ) {
    shell = parent.getShell();

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

    ModifyListener lsMod = new ModifyListener() {
      public void modifyText( ModifyEvent arg0 ) {
        setPageComplete( canFlipToNextPage() );
      }
    };

    // create the composite to hold the widgets
    Composite composite = new Composite( parent, SWT.NONE );
    props.setLook( composite );

    FormLayout compLayout = new FormLayout();
    compLayout.marginHeight = Const.FORM_MARGIN;
    compLayout.marginWidth = Const.FORM_MARGIN;
    composite.setLayout( compLayout );

    // Job name:
    wlTransname = new Label( composite, SWT.RIGHT );
    wlTransname.setText( BaseMessages.getString( PKG, "CopyTableWizardPage3.Dialog.JobName.Label" ) );
    props.setLook( wlTransname );
    fdlTransname = new FormData();
    fdlTransname.left = new FormAttachment( 0, 0 );
    fdlTransname.right = new FormAttachment( middle, -margin );
    fdlTransname.top = new FormAttachment( 0, margin );
    wlTransname.setLayoutData( fdlTransname );
    wTransname = new Text( composite, SWT.SINGLE | SWT.LEFT | SWT.BORDER );
    props.setLook( wTransname );
    wTransname.addModifyListener( lsMod );
    fdTransname = new FormData();
    fdTransname.left = new FormAttachment( middle, 0 );
    fdTransname.top = new FormAttachment( 0, margin );
    fdTransname.right = new FormAttachment( 100, 0 );
    wTransname.setLayoutData( fdTransname );

    // Directory:
    wlDirectory = new Label( composite, SWT.RIGHT );
    wlDirectory.setText( BaseMessages.getString( PKG, "CopyTableWizardPage3.Dialog.Directory.Label" ) );
    props.setLook( wlDirectory );
    fdlDirectory = new FormData();
    fdlDirectory.left = new FormAttachment( 0, 0 );
    fdlDirectory.right = new FormAttachment( middle, -margin );
    fdlDirectory.top = new FormAttachment( wTransname, margin );
    wlDirectory.setLayoutData( fdlDirectory );

    wbDirectory = new Button( composite, SWT.PUSH );
    wbDirectory.setText( BaseMessages.getString( PKG, "CopyTableWizardPage3.Dialog.DirectoryButton.Label" ) );
    props.setLook( wbDirectory );
    fdbDirectory = new FormData();
    fdbDirectory.right = new FormAttachment( 100, 0 );
    fdbDirectory.top = new FormAttachment( wTransname, margin );
    wbDirectory.setLayoutData( fdbDirectory );
    wbDirectory.addSelectionListener( new SelectionAdapter() {
      public void widgetSelected( SelectionEvent arg0 ) {
        SelectDirectoryDialog sdd = new SelectDirectoryDialog( shell, SWT.NONE, rep );
        directory = sdd.open();
        if ( directory != null ) {
          wDirectory.setText( directory.getPath() );
          setPageComplete( canFlipToNextPage() );
        }
      }
    } );

    wDirectory = new Text( composite, SWT.SINGLE | SWT.LEFT | SWT.BORDER );
    props.setLook( wDirectory );
    wDirectory.setEditable( false );
    fdDirectory = new FormData();
    fdDirectory.left = new FormAttachment( middle, 0 );
    fdDirectory.top = new FormAttachment( wTransname, margin );
    fdDirectory.right = new FormAttachment( wbDirectory, 0 );
    wDirectory.setLayoutData( fdDirectory );

    // set the composite as the control for this page
    setControl( composite );
  }

  public boolean canFlipToNextPage() {
    return false;
  }

  public String getTransformationName() {
    String transname = wTransname.getText();
    if ( transname != null && transname.length() == 0 ) {
      transname = null;
    }

    return transname;
  }

  /**
   * @return Returns the directory.
   */
  public RepositoryDirectoryInterface getDirectory() {
    return directory;
  }

  public boolean canFinish() {
    return getTransformationName() != null && getDirectory() != null;
  }
}