taxeditor-store/src/main/java/eu/etaxonomy/taxeditor/operations/DeleteTreeNodeOperation.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.Set;
  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
  22 import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
  23 import eu.etaxonomy.cdm.model.taxon.ITreeNode;
  24 import eu.etaxonomy.cdm.model.taxon.TaxonNode;
  25 import eu.etaxonomy.cdm.model.taxon.TaxonomicTree;
  26 import eu.etaxonomy.taxeditor.store.CdmStore;
  27 import eu.etaxonomy.taxeditor.store.StoreUtil;
  28
  29 /**
  30  * @author n.hoffmann
  31  * @created Jan 20, 2010
  32  * @version 1.0
  33  */
  34 public class DeleteTreeNodeOperation extends AbstractPersistentPostOperation{
  35
  36         private static final Logger logger = Logger
  37         .getLogger(DeleteTreeNodeOperation.class);
  38         private Set<ITreeNode> treeNodes;
  39
  40
  41         /**
  42          * @param label
  43          * @param undoContext
  44          * @param postOperationEnabled
  45          * @param conversationEnabled
  46          */
  47         public DeleteTreeNodeOperation(String label, IUndoContext undoContext,
  48                         Set<ITreeNode> treeNodes,
  49                         IPostOperationEnabled postOperationEnabled,
  50                         IConversationEnabled conversationEnabled) {
  51                 super(label, undoContext, postOperationEnabled, conversationEnabled);
  52                 this.treeNodes = treeNodes;
  53         }
  54
  55
  56         /* (non-Javadoc)
  57          * @see org.eclipse.core.commands.operations.AbstractOperation#execute(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  58          */
  59         @Override
  60         public IStatus execute(IProgressMonitor monitor, IAdaptable info)
  61                         throws ExecutionException {
  62                 bind();
  63                 // Start the main progress monitor.
  64         IProgressMonitor newMonitor = StoreUtil.startMainMonitor(monitor,"Deleting Tree Node", 100);
  65
  66         // Do one step
  67         newMonitor.worked(10);
  68
  69         try {
  70                 // Operation steps
  71
  72                 for (ITreeNode treeNode : treeNodes){
  73                                 if(treeNode instanceof TaxonNode){
  74                                         ((TaxonNode) treeNode).delete();
  75                                 }else if(treeNode instanceof TaxonomicTree){
  76                                         TaxonomicTree taxonomicTree = (TaxonomicTree) treeNode;
  77                                         if(taxonomicTree.hasChildNodes()){
  78                                                 StoreUtil.warningDialog("Tree is not empty", "It is not possible to delete a Taxonomic Tree that " +
  79                                                                 "is not empty. Please delete included taxa first");
  80                                         }else{
  81                                                 CdmStore.getTaxonTreeService().delete(taxonomicTree);
  82                                         }
  83                                 }
  84                                 StoreUtil.isCanceled(newMonitor, 80);
  85                         }
  86                 }
  87         finally {
  88
  89                 // Stop the progress monitor.
  90             newMonitor.done();
  91         }
  92
  93                 return postExecute(null);
  94         }
  95
  96         /* (non-Javadoc)
  97          * @see org.eclipse.core.commands.operations.AbstractOperation#redo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  98          */
  99         @Override
 100         public IStatus redo(IProgressMonitor monitor, IAdaptable info)
 101                         throws ExecutionException {
 102                 // TODO Auto-generated method stub
 103                 return null;
 104         }
 105
 106         /* (non-Javadoc)
 107          * @see org.eclipse.core.commands.operations.AbstractOperation#undo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
 108          */
 109         @Override
 110         public IStatus undo(IProgressMonitor monitor, IAdaptable info)
 111                         throws ExecutionException {
 112                 // TODO Auto-generated method stub
 113                 return null;
 114         }
 115 }