CreateDatabaseWizardPage2.java

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 * Pentaho Data Integration
 *
 * Copyright (C) 2002-2017 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
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 *    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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package org.pentaho.di.ui.core.database.wizard;

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.core.database.BaseDatabaseMeta;
import org.pentaho.di.core.database.DatabaseMeta;
import org.pentaho.di.i18n.BaseMessages;
import org.pentaho.di.ui.core.PropsUI;
import org.pentaho.di.ui.core.database.dialog.DatabaseDialog;

/**
 *
 * On page one we select the username and password. We also provide a test button.
 *
 * @author Matt
 * @since 04-apr-2005
 */
public class CreateDatabaseWizardPage2 extends WizardPage {
  private static Class<?> PKG = CreateDatabaseWizard.class; // for i18n purposes, needed by Translator2!!

  private Label wlUsername;
  private Text wUsername;
  private FormData fdlUsername, fdUsername;

  private Label wlPassword;
  private Text wPassword;
  private FormData fdlPassword, fdPassword;

  private Button wTest;
  private FormData fdTest;

  private PropsUI props;
  private DatabaseMeta databaseMeta;

  public CreateDatabaseWizardPage2( String arg, PropsUI props, DatabaseMeta info ) {
    super( arg );
    this.props = props;
    this.databaseMeta = info;

    setTitle( BaseMessages.getString( PKG, "CreateDatabaseWizardPage2.DialogTitle" ) );
    setDescription( BaseMessages.getString( PKG, "CreateDatabaseWizardPage2.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 );

    // USERNAME
    wlUsername = new Label( composite, SWT.RIGHT );
    wlUsername.setText( BaseMessages.getString( PKG, "CreateDatabaseWizardPage2.Username.Label" ) );
    props.setLook( wlUsername );
    fdlUsername = new FormData();
    fdlUsername.top = new FormAttachment( 0, 0 );
    fdlUsername.left = new FormAttachment( 0, 0 );
    fdlUsername.right = new FormAttachment( middle, 0 );
    wlUsername.setLayoutData( fdlUsername );
    wUsername = new Text( composite, SWT.SINGLE | SWT.BORDER );
    props.setLook( wUsername );
    fdUsername = new FormData();
    fdUsername.top = new FormAttachment( 0, 0 );
    fdUsername.left = new FormAttachment( middle, margin );
    fdUsername.right = new FormAttachment( 100, 0 );
    wUsername.setLayoutData( fdUsername );
    wUsername.addModifyListener( new ModifyListener() {
      public void modifyText( ModifyEvent arg0 ) {
        setPageComplete( false );
      }
    } );

    // PASSWORD
    wlPassword = new Label( composite, SWT.RIGHT );
    wlPassword.setText( BaseMessages.getString( PKG, "CreateDatabaseWizardPage2.Password.Label" ) );
    props.setLook( wlPassword );
    fdlPassword = new FormData();
    fdlPassword.top = new FormAttachment( wUsername, margin );
    fdlPassword.left = new FormAttachment( 0, 0 );
    fdlPassword.right = new FormAttachment( middle, 0 );
    wlPassword.setLayoutData( fdlPassword );
    wPassword = new Text( composite, SWT.SINGLE | SWT.BORDER );
    props.setLook( wPassword );
    wPassword.setEchoChar( '*' );
    fdPassword = new FormData();
    fdPassword.top = new FormAttachment( wUsername, margin );
    fdPassword.left = new FormAttachment( middle, margin );
    fdPassword.right = new FormAttachment( 100, 0 );
    wPassword.setLayoutData( fdPassword );
    wPassword.addModifyListener( new ModifyListener() {
      public void modifyText( ModifyEvent arg0 ) {
        setPageComplete( false );
      }
    } );

    wTest = new Button( composite, SWT.PUSH );
    wTest.setText( BaseMessages.getString( PKG, "CreateDatabaseWizardPage2.TestConnection.Button" ) );
    fdTest = new FormData();
    fdTest.top = new FormAttachment( wPassword, margin * 4 );
    fdTest.left = new FormAttachment( 50, 0 );
    wTest.setLayoutData( fdTest );
    wTest.addSelectionListener( new SelectionAdapter() {
      public void widgetSelected( SelectionEvent arg0 ) {
        test();
      }
    } );

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

  public void test() {
    Shell shell = getWizard().getContainer().getShell();
    DatabaseDialog.test( shell, databaseMeta );
  }

  public boolean canFlipToNextPage() {
    return false;
  }

  public DatabaseMeta getDatabaseInfo() {
    if ( wUsername.getText() != null && wUsername.getText().length() > 0 ) {
      databaseMeta.setUsername( wUsername.getText() );
    }

    if ( wPassword.getText() != null && wPassword.getText().length() > 0 ) {
      databaseMeta.setPassword( wPassword.getText() );
    }

    wTest.setEnabled( ( (BaseDatabaseMeta) databaseMeta.getDatabaseInterface() ).canTest() );

    return databaseMeta;
  }

  public boolean canFinish() {
    if ( !isCurrentPage() ) {
      return false;
    }

    getDatabaseInfo();

    String[] remarks = databaseMeta.checkParameters();
    if ( remarks.length == 0 ) {
      setErrorMessage( null );
      setMessage( BaseMessages.getString( PKG, "CreateDatabaseWizardPage2.Message.Finish" ) );
      return true;
    } else {
      setErrorMessage( BaseMessages.getString( PKG, "CreateDatabaseWizardPage2.ErrorMessage.InvalidInput" ) );
      // setMessage("Select 'Finish' to create the database connection");
      return false;
    }
  }
}