eu.etaxonomy.taxeditor.navigation/src/main/java/eu/etaxonomy/taxeditor/navigation/navigator/operation/DeleteOperation.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.navigation.navigator.operation;
  12
  13 import java.util.Set;
  14
  15 import org.eclipse.core.commands.ExecutionException;
  16 import org.eclipse.core.commands.operations.IUndoContext;
  17 import org.eclipse.core.runtime.IAdaptable;
  18 import org.eclipse.core.runtime.IProgressMonitor;
  19 import org.eclipse.core.runtime.IStatus;
  20
  21 import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
  22 import eu.etaxonomy.cdm.api.service.IClassificationService;
  23 import eu.etaxonomy.cdm.model.taxon.Classification;
  24 import eu.etaxonomy.cdm.model.taxon.ITaxonTreeNode;
  25 import eu.etaxonomy.cdm.model.taxon.TaxonNode;
  26 import eu.etaxonomy.taxeditor.operation.AbstractPersistentPostOperation;
  27 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  28 import eu.etaxonomy.taxeditor.store.CdmStore;
  29 import eu.etaxonomy.taxeditor.store.StoreUtil;
  30
  31 /**
  32  * <p>DeleteTreeNodeOperation class.</p>
  33  *
  34  * @author n.hoffmann
  35  * @created Jan 20, 2010
  36  * @version 1.0
  37  */
  38 public class DeleteOperation extends AbstractPersistentPostOperation{
  39
  40         private Set<ITaxonTreeNode> treeNodes;
  41
  42
  43         /**
  44          * <p>Constructor for DeleteTreeNodeOperation.</p>
  45          *
  46          * @param label a {@link java.lang.String} object.
  47          * @param undoContext a {@link org.eclipse.core.commands.operations.IUndoContext} object.
  48          * @param postOperationEnabled a {@link eu.etaxonomy.taxeditor.operation.IPostOperationEnabled} object.
  49          * @param conversationEnabled a {@link eu.etaxonomy.cdm.api.conversation.IConversationEnabled} object.
  50          * @param treeNodes a {@link java.util.Set} object.
  51          */
  52         public DeleteOperation(String label, IUndoContext undoContext,
  53                         Set<ITaxonTreeNode> treeNodes,
  54                         IPostOperationEnabled postOperationEnabled,
  55                         IConversationEnabled conversationEnabled) {
  56                 super(label, undoContext, postOperationEnabled, conversationEnabled);
  57                 this.treeNodes = treeNodes;
  58         }
  59
  60
  61         /* (non-Javadoc)
  62          * @see org.eclipse.core.commands.operations.AbstractOperation#execute(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  63          */
  64         /** {@inheritDoc} */
  65         @Override
  66         public IStatus execute(IProgressMonitor monitor, IAdaptable info)
  67                         throws ExecutionException {
  68
  69                 bind();
  70                 monitor.worked(20);
  71         for (ITaxonTreeNode treeNode : treeNodes){
  72                         if(treeNode instanceof TaxonNode){
  73                                 ((TaxonNode) treeNode).delete();
  74                         }else if(treeNode instanceof Classification){
  75                                 Classification taxonomicTree = (Classification) treeNode;
  76                                 if(taxonomicTree.hasChildNodes()){
  77                                         StoreUtil.warningDialog("Tree is not empty", this, "It is not possible to delete a Taxonomic Tree that " +
  78                                                         "is not empty. Please delete included taxa first");
  79                                 }else{
  80                                         CdmStore.getService(IClassificationService.class).delete(taxonomicTree);
  81                                 }
  82                         }
  83                 }
  84                 monitor.worked(40);
  85                 return postExecute(null);
  86         }
  87
  88         /* (non-Javadoc)
  89          * @see org.eclipse.core.commands.operations.AbstractOperation#redo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  90          */
  91         /** {@inheritDoc} */
  92         @Override
  93         public IStatus redo(IProgressMonitor monitor, IAdaptable info)
  94                         throws ExecutionException {
  95                 return null;
  96         }
  97
  98         /* (non-Javadoc)
  99          * @see org.eclipse.core.commands.operations.AbstractOperation#undo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
 100          */
 101         /** {@inheritDoc} */
 102         @Override
 103         public IStatus undo(IProgressMonitor monitor, IAdaptable info)
 104                         throws ExecutionException {
 105                 return null;
 106         }
 107 }