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.HashSet;
  14 import java.util.Set;
  15 import java.util.UUID;
  16
  17 import org.eclipse.core.commands.ExecutionException;
  18 import org.eclipse.core.commands.operations.IUndoContext;
  19 import org.eclipse.core.runtime.IAdaptable;
  20 import org.eclipse.core.runtime.IProgressMonitor;
  21 import org.eclipse.core.runtime.IStatus;
  22 import org.eclipse.jface.dialogs.MessageDialog;
  23
  24 import eu.etaxonomy.cdm.api.application.ICdmApplicationConfiguration;
  25 import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
  26 import eu.etaxonomy.cdm.api.service.DeleteResult;
  27 import eu.etaxonomy.cdm.api.service.IClassificationService;
  28 import eu.etaxonomy.cdm.api.service.ITaxonNodeService;
  29 import eu.etaxonomy.cdm.api.service.config.TaxonDeletionConfigurator;
  30 import eu.etaxonomy.cdm.model.common.CdmBase;
  31 import eu.etaxonomy.cdm.model.taxon.Classification;
  32 import eu.etaxonomy.cdm.model.taxon.ITaxonTreeNode;
  33 import eu.etaxonomy.cdm.model.taxon.TaxonNode;
  34 import eu.etaxonomy.taxeditor.operation.AbstractPersistentPostOperation;
  35 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  36 import eu.etaxonomy.taxeditor.session.ICdmEntitySessionEnabled;
  37 import eu.etaxonomy.taxeditor.store.CdmStore;
  38
  39 /**
  40  * <p>DeleteTreeNodeOperation class.</p>
  41  *
  42  * @author n.hoffmann
  43  * @created Jan 20, 2010
  44  * @version 1.0
  45  */
  46 public class DeleteOperation extends AbstractPersistentPostOperation{
  47
  48     private Set<ITaxonTreeNode> treeNodes;
  49     protected final TaxonDeletionConfigurator config;
  50     private final ICdmEntitySessionEnabled cdmEntitySessionEnabled;
  51
  52     /**
  53      * <p>Constructor for DeleteTreeNodeOperation.</p>
  54      *
  55      * @param label a {@link java.lang.String} object.
  56      * @param undoContext a {@link org.eclipse.core.commands.operations.IUndoContext} object.
  57      * @param postOperationEnabled a {@link eu.etaxonomy.taxeditor.operation.IPostOperationEnabled} object.
  58      * @param conversationEnabled a {@link eu.etaxonomy.cdm.api.conversation.IConversationEnabled} object.
  59      * @param treeNodes a {@link java.util.Set} object.
  60      */
  61     public DeleteOperation(String label, IUndoContext undoContext,
  62             ITaxonTreeNode taxonNode, TaxonDeletionConfigurator config,
  63             IPostOperationEnabled postOperationEnabled,
  64             IConversationEnabled conversationEnabled,
  65             ICdmEntitySessionEnabled cdmEntitySessionEnabled) {
  66         super(label, undoContext, postOperationEnabled, conversationEnabled, cdmEntitySessionEnabled);
  67         this.taxonNode = (ITaxonTreeNode)CdmBase.deproxy(taxonNode, CdmBase.class);
  68         this.config = config;
  69         this.cdmEntitySessionEnabled = cdmEntitySessionEnabled;
  70     }
  71
  72     /**
  73      * <p>Constructor for DeleteTreeNodeOperation.</p>
  74      *
  75      * @param label a {@link java.lang.String} object.
  76      * @param undoContext a {@link org.eclipse.core.commands.operations.IUndoContext} object.
  77      * @param postOperationEnabled a {@link eu.etaxonomy.taxeditor.operation.IPostOperationEnabled} object.
  78      * @param conversationEnabled a {@link eu.etaxonomy.cdm.api.conversation.IConversationEnabled} object.
  79      * @param treeNodes a {@link java.util.Set} object.
  80      */
  81     public DeleteOperation(String label, IUndoContext undoContext,
  82             Set<ITaxonTreeNode> treeNodes, TaxonDeletionConfigurator config,
  83             IPostOperationEnabled postOperationEnabled,
  84             IConversationEnabled conversationEnabled,
  85             ICdmEntitySessionEnabled cdmEntitySessionEnabled) {
  86         super(label, undoContext, postOperationEnabled, conversationEnabled, cdmEntitySessionEnabled);
  87         this.treeNodes = treeNodes;
  88         this.config = config;
  89         this.cdmEntitySessionEnabled = cdmEntitySessionEnabled;
  90     }
  91
  92
  93     /* (non-Javadoc)
  94      * @see org.eclipse.core.commands.operations.AbstractOperation#execute(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  95      */
  96     /** {@inheritDoc} */
  97     @Override
  98     public IStatus execute(IProgressMonitor monitor, IAdaptable info)
  99             throws ExecutionException {
 100
 101         bind();
 102         monitor.worked(20);
 103         ICdmApplicationConfiguration controller = CdmStore.getCurrentApplicationConfiguration();
 104         ITaxonNodeService service = controller.getTaxonNodeService();
 105         DeleteResult result;
 106
 107         if(taxonNode != null && taxonNode instanceof TaxonNode) {
 108
 109             element = ((TaxonNode)taxonNode).getTaxon();
 110
 111             result = service.deleteTaxonNode(taxonNode.getUuid(), config);
 112             if (result.isError() || result.isAbort()){
 113                 MessageDialog.openError(null, "Delete failed", result.getExceptions().get(0).getMessage());
 114             }
 115
 116         } else if(taxonNode != null && taxonNode instanceof Classification) {
 117             Classification taxonomicTree = (Classification) taxonNode;
 118             /*if(taxonomicTree.hasChildNodes()){
 119                                         if(! MessageDialog.openConfirm(null, "Confirm Deletion", "The selected tree has children, do yu realy want to delete the whole tree with its children?")){
 120                                                 return null;
 121                                         }
 122                                 }*/
 123
 124             result = CdmStore.getService(IClassificationService.class).delete(taxonomicTree.getUuid());
 125             if (result.isError() || result.isAbort()){
 126                 MessageDialog.openError(null, "Delete failed", result.getExceptions().get(0).getMessage());
 127             }
 128
 129         } else {
 130             Set<UUID> treeNodeUuids = new HashSet<UUID>();
 131             ITaxonTreeNode entity = null;
 132             for(ITaxonTreeNode treeNode : treeNodes) {
 133                 if(entity == null) {
 134                     entity = treeNode;
 135                 }
 136                 treeNodeUuids.add(treeNode.getUuid());
 137             }
 138
 139             result = service.deleteTaxonNodes(treeNodeUuids, config);
 140             if (result.isError() || result.isAbort()){
 141                 MessageDialog.openError(null, "Delete failed", result.getExceptions().get(0).getMessage());
 142             }
 143
 144         }
 145
 146         monitor.worked(40);
 147
 148         return postExecute(null);
 149     }
 150
 151     /* (non-Javadoc)
 152      * @see org.eclipse.core.commands.operations.AbstractOperation#redo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
 153      */
 154     /** {@inheritDoc} */
 155     @Override
 156     public IStatus redo(IProgressMonitor monitor, IAdaptable info)
 157             throws ExecutionException {
 158         return null;
 159     }
 160
 161     /* (non-Javadoc)
 162      * @see org.eclipse.core.commands.operations.AbstractOperation#undo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
 163      */
 164     /** {@inheritDoc} */
 165     @Override
 166     public IStatus undo(IProgressMonitor monitor, IAdaptable info)
 167             throws ExecutionException {
 168         return null;
 169     }
 170 }