DatabaseConfigurationImportRuleComposite.java

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 *
 * 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,
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 * See the License for the specific language governing permissions and
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package org.pentaho.di.ui.imp.rules;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.pentaho.di.core.database.DatabaseMeta;
import org.pentaho.di.imp.rule.ImportRuleInterface;
import org.pentaho.di.imp.rules.DatabaseConfigurationImportRule;
import org.pentaho.di.ui.core.PropsUI;
import org.pentaho.di.ui.core.database.dialog.DatabaseDialog;
import org.pentaho.di.ui.imp.rule.ImportRuleCompositeInterface;

public class DatabaseConfigurationImportRuleComposite implements ImportRuleCompositeInterface {

  private Button button;
  private Composite composite;
  private DatabaseConfigurationImportRule rule;
  private Label label;
  private DatabaseMeta databaseMeta;

  public Composite getComposite( Composite parent, ImportRuleInterface importRule ) {
    rule = (DatabaseConfigurationImportRule) importRule;
    databaseMeta = rule.getDatabaseMeta();
    PropsUI props = PropsUI.getInstance();

    composite = new Composite( parent, SWT.NONE );
    props.setLook( composite );
    composite.setLayout( new FillLayout() );

    label = new Label( composite, SWT.SINGLE | SWT.BORDER | SWT.LEFT );
    props.setLook( label );
    label.setText( "Database configuration : (not configured)" );

    button = new Button( composite, SWT.PUSH );
    button.setText( "Edit..." );
    button.addSelectionListener( new SelectionAdapter() {
      public void widgetSelected( SelectionEvent event ) {
        editDatabase();
      }
    } );

    return composite;
  }

  public void setCompositeData( ImportRuleInterface importRule ) {
    if ( databaseMeta != null ) {
      label.setText( "Database configuration: " + databaseMeta.getName() );
    }
  }

  public void getCompositeData( ImportRuleInterface importRule ) {
    rule.setDatabaseMeta( databaseMeta );
  }

  protected void editDatabase() {
    DatabaseMeta editMeta;
    if ( databaseMeta == null ) {
      editMeta = new DatabaseMeta();
    } else {
      editMeta = (DatabaseMeta) databaseMeta.clone();
    }
    DatabaseDialog databaseDialog = new DatabaseDialog( composite.getShell(), editMeta );
    if ( databaseDialog.open() != null ) {
      databaseMeta = editMeta;
      setCompositeData( rule );
    }
  }

}