taxeditor-store/src/main/java/eu/etaxonomy/taxeditor/operations/DeleteTaxonomicTreeOperation.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10
  11 package eu.etaxonomy.taxeditor.operations;
  12
  13 import java.util.UUID;
  14
  15 import org.apache.log4j.Logger;
  16 import org.eclipse.core.commands.ExecutionException;
  17 import org.eclipse.core.commands.operations.IUndoContext;
  18 import org.eclipse.core.runtime.IAdaptable;
  19 import org.eclipse.core.runtime.IProgressMonitor;
  20 import org.eclipse.core.runtime.IStatus;
  21 import org.eclipse.core.runtime.Status;
  22 import org.eclipse.jface.dialogs.MessageDialog;
  23 import org.eclipse.swt.widgets.Shell;
  24
  25 import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
  26 import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
  27 import eu.etaxonomy.cdm.model.taxon.TaxonomicTree;
  28 import eu.etaxonomy.taxeditor.store.CdmStore;
  29
  30 /**
  31  * @author n.hoffmann
  32  * @created 23.06.2009
  33  * @version 1.0
  34  */
  35 public class DeleteTaxonomicTreeOperation extends AbstractPersistentPostOperation {
  36
  37         private static final Logger logger = Logger
  38                                 .getLogger(DeleteTaxonomicTreeOperation.class);
  39
  40         private TaxonomicTree taxonomicTree;
  41
  42
  43         /**
  44          * @param label
  45          * @param undoContext
  46          * @param taxonNode
  47          * @param postOperationEnabled
  48          */
  49         public DeleteTaxonomicTreeOperation(String label, IUndoContext undoContext,
  50                         TaxonomicTree taxonomicTree, IPostOperationEnabled postOperationEnabled,
  51                         IConversationEnabled conversationEnabled) {
  52                 super(label, undoContext, postOperationEnabled, conversationEnabled);
  53
  54                 this.taxonomicTree = taxonomicTree;
  55         }
  56
  57         /* (non-Javadoc)
  58          * @see org.eclipse.core.commands.operations.IUndoableOperation#execute(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  59          */
  60         public IStatus execute(IProgressMonitor monitor, IAdaptable info)
  61                         throws ExecutionException {
  62
  63                 // Prompt user for confirmation
  64                 if(! MessageDialog.openConfirm((Shell) info.getAdapter(Shell.class), "Confirm Deletion", "Are you sure you want to delete the taxonomic view '" + taxonomicTree.getTitleCache() + "'?")){
  65                         monitor.done();
  66                         return Status.CANCEL_STATUS;
  67                 }
  68
  69                 // If the taxonomic tree has child nodes, cancel operation
  70                 // TODO add option to continue, and delete children
  71                 if (taxonomicTree.getRootNodes().size() > 0) {
  72                         MessageDialog.openInformation((Shell) info.getAdapter(Shell.class), "Cannot delete taxon",
  73                                         "'" + taxonomicTree.getTitleCache() + "' has taxonomic children. " +
  74                                         "These must be manually deleted before their parent.");
  75                         monitor.done();
  76                         return Status.CANCEL_STATUS;
  77                 }
  78
  79                 CdmStore.getTaxonTreeService().delete(taxonomicTree);
  80
  81                 return postExecute(null);
  82         }
  83
  84         /* (non-Javadoc)
  85          * @see org.eclipse.core.commands.operations.IUndoableOperation#redo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  86          */
  87         public IStatus redo(IProgressMonitor monitor, IAdaptable info)
  88                         throws ExecutionException {
  89                 // TODO Auto-generated method stub
  90                 return null;
  91         }
  92
  93
  94         /* (non-Javadoc)
  95          * @see org.eclipse.core.commands.operations.IUndoableOperation#undo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  96          */
  97         public IStatus undo(IProgressMonitor monitor, IAdaptable info)
  98                         throws ExecutionException {
  99                 // TODO Auto-generated method stub
 100                 return null;
 101         }
 102 }