eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/view/datasource/handler/ChangeConnectionHandler.java

   1 /**
   2 * Copyright (C) 2007 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9
  10 package eu.etaxonomy.taxeditor.view.datasource.handler;
  11
  12 import org.eclipse.core.commands.AbstractHandler;
  13 import org.eclipse.core.commands.ExecutionEvent;
  14 import org.eclipse.jface.viewers.ISelection;
  15 import org.eclipse.jface.viewers.IStructuredSelection;
  16 import org.eclipse.ui.handlers.HandlerUtil;
  17
  18 import eu.etaxonomy.taxeditor.Messages;
  19 import eu.etaxonomy.taxeditor.datasource.CdmDataSourceRepository;
  20 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  21 import eu.etaxonomy.taxeditor.store.CdmStore;
  22 import eu.etaxonomy.taxeditor.view.datasource.CdmMetaDataAwareDataSourceContainer;
  23
  24 /**
  25  * @author n.hoffmann
  26  * @created 15.04.2009
  27  * @version 1.0
  28  */
  29 public class ChangeConnectionHandler extends AbstractHandler {
  30
  31         /** {@inheritDoc} */
  32         @Override
  33     public Object execute(ExecutionEvent event) {
  34                 ISelection selection = HandlerUtil.getCurrentSelection(event);
  35
  36                 if(selection != null && selection instanceof IStructuredSelection){
  37                         CdmMetaDataAwareDataSourceContainer container = (CdmMetaDataAwareDataSourceContainer) ((IStructuredSelection) selection).getFirstElement();
  38
  39                         if(CdmStore.isConnecting()){
  40                                 MessagingUtils.warningDialog(Messages.ChangeConnectionHandler_ALREADY_CONNECTING, this, Messages.ChangeConnectionHandler_CURRENTLY_CONNECTING_ALREADY);
  41                                 return null;
  42                         }
  43
  44                         try {
  45                                 container.getCdmSource().checkConnection();
  46                                 boolean confirmed = MessagingUtils.confirmDialog(Messages.ChangeConnectionHandler_CREATE_DATAMODEL, String.format(Messages.ChangeConnectionHandler_REALLY_CREATE_DATAMODEL, container.getCdmSource().getName()));
  47
  48                                 if(confirmed){
  49                                         CdmDataSourceRepository.changeDataSource(container.getCdmSource());
  50                                 }
  51                         } catch (Exception e) {
  52                                 MessagingUtils.warningDialog(Messages.ChangeConnectionHandler_DATASOURCE_NOT_AVAILABLE, this, Messages.ChangeConnectionHandler_NOT_AVAILABLE_REASONS);
  53                                 MessagingUtils.warn(getClass(), e);
  54                                 return null;
  55                         }
  56                 }
  57
  58                 return null;
  59         }
  60 }