CreateDatabaseWizardPageGeneric.java

/*! ******************************************************************************
 *
 * Pentaho Data Integration
 *
 * Copyright (C) 2002-2013 by Pentaho : http://www.pentaho.com
 *
 *******************************************************************************
 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 ******************************************************************************/

package org.pentaho.di.ui.core.database.wizard;

import org.eclipse.jface.wizard.IWizard;
import org.eclipse.jface.wizard.IWizardPage;
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.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.FormLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.pentaho.di.core.Const;
import org.pentaho.di.core.database.DatabaseMeta;
import org.pentaho.di.core.database.GenericDatabaseMeta;
import org.pentaho.di.i18n.BaseMessages;
import org.pentaho.di.ui.core.PropsUI;

/**
 *
 * On page one we select the database connection SAP/R3 specific settings 1) The data tablespace 2) The index tablespace
 *
 * @author Jens Bleuel
 * @since 22-mar-2006
 */
public class CreateDatabaseWizardPageGeneric extends WizardPage {
  private static Class<?> PKG = CreateDatabaseWizard.class; // for i18n purposes, needed by Translator2!!

  private Label wlURL;
  private Text wURL;
  private FormData fdlURL, fdURL;

  private Label wlDriverClass;
  private Text wDriverClass;
  private FormData fdlDriverClass, fdDriverClass;

  private PropsUI props;
  private DatabaseMeta info;

  public CreateDatabaseWizardPageGeneric( String arg, PropsUI props, DatabaseMeta info ) {
    super( arg );
    this.props = props;
    this.info = info;

    setTitle( BaseMessages.getString( PKG, "CreateDatabaseWizardPageGeneric.DialogTitle" ) );
    setDescription( BaseMessages.getString( PKG, "CreateDatabaseWizardPageGeneric.DialogMessage" ) );

    setPageComplete( false );
  }

  public void createControl( Composite parent ) {
    int margin = Const.MARGIN;
    int middle = props.getMiddlePct();

    // 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 );

    // URL
    wlURL = new Label( composite, SWT.RIGHT );
    wlURL.setText( BaseMessages.getString( PKG, "CreateDatabaseWizardPageGeneric.URL.Label" ) );
    props.setLook( wlURL );
    fdlURL = new FormData();
    fdlURL.top = new FormAttachment( 0, 0 );
    fdlURL.left = new FormAttachment( 0, 0 );
    fdlURL.right = new FormAttachment( middle, 0 );
    wlURL.setLayoutData( fdlURL );
    wURL = new Text( composite, SWT.SINGLE | SWT.BORDER );
    props.setLook( wURL );
    fdURL = new FormData();
    fdURL.top = new FormAttachment( 0, 0 );
    fdURL.left = new FormAttachment( middle, margin );
    fdURL.right = new FormAttachment( 100, 0 );
    wURL.setLayoutData( fdURL );
    wURL.addModifyListener( new ModifyListener() {
      public void modifyText( ModifyEvent arg0 ) {
        setPageComplete( false );
      }
    } );

    // DRIVER CLASS
    wlDriverClass = new Label( composite, SWT.RIGHT );
    wlDriverClass.setText( BaseMessages.getString( PKG, "CreateDatabaseWizardPageGeneric.DriverClass.Label" ) );
    props.setLook( wlDriverClass );
    fdlDriverClass = new FormData();
    fdlDriverClass.top = new FormAttachment( wURL, margin );
    fdlDriverClass.left = new FormAttachment( 0, 0 );
    fdlDriverClass.right = new FormAttachment( middle, 0 );
    wlDriverClass.setLayoutData( fdlDriverClass );
    wDriverClass = new Text( composite, SWT.SINGLE | SWT.BORDER );
    props.setLook( wDriverClass );
    fdDriverClass = new FormData();
    fdDriverClass.top = new FormAttachment( wURL, margin );
    fdDriverClass.left = new FormAttachment( middle, margin );
    fdDriverClass.right = new FormAttachment( 100, 0 );
    wDriverClass.setLayoutData( fdDriverClass );
    wDriverClass.addModifyListener( new ModifyListener() {
      public void modifyText( ModifyEvent arg0 ) {
        setPageComplete( false );
      }
    } );

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

  public boolean canFlipToNextPage() {
    String url = wURL.getText() != null ? wURL.getText().length() > 0 ? wURL.getText() : null : null;
    String driverClass =
      wDriverClass.getText() != null
        ? wDriverClass.getText().length() > 0 ? wDriverClass.getText() : null : null;

    if ( url == null || driverClass == null ) {
      setErrorMessage( BaseMessages.getString(
        PKG, "CreateDatabaseWizardPageGeneric.ErrorMessage.URLAndDriverClassRequired" ) );
      return false;
    } else {
      getDatabaseInfo();
      setErrorMessage( null );
      setMessage( BaseMessages.getString( PKG, "CreateDatabaseWizardPageGeneric.Message.Next" ) );
      return true;
    }

  }

  public DatabaseMeta getDatabaseInfo() {

    if ( wURL.getText() != null && wURL.getText().length() > 0 ) {
      info.getAttributes().put( GenericDatabaseMeta.ATRRIBUTE_CUSTOM_URL, wURL.getText() );
    }

    if ( wDriverClass.getText() != null && wDriverClass.getText().length() > 0 ) {
      info.getAttributes().put( GenericDatabaseMeta.ATRRIBUTE_CUSTOM_DRIVER_CLASS, wDriverClass.getText() );
    }

    return info;
  }

  /*
   * (non-Javadoc)
   *
   * @see org.eclipse.jface.wizard.WizardPage#getNextPage()
   */
  public IWizardPage getNextPage() {
    IWizard wiz = getWizard();
    return wiz.getPage( "2" );
  }

}