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
  94
  95         /* (non-Javadoc)
  96          * @see org.eclipse.core.commands.operations.AbstractOperation#execute(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  97          */
  98         /** {@inheritDoc} */
  99         @Override
 100         public IStatus execute(IProgressMonitor monitor, IAdaptable info)
 101                         throws ExecutionException {
 102
 103                 bind();
 104                 monitor.worked(20);
 105                 ICdmApplicationConfiguration controller = CdmStore.getCurrentApplicationConfiguration();
 106                 ITaxonNodeService service = controller.getTaxonNodeService();
 107                         if(taxonNode != null && taxonNode instanceof TaxonNode){
 108                                 //((TaxonNode) treeNode).delete();
 109
 110                                 element = ((TaxonNode)taxonNode).getTaxon();
 111
 112                                 DeleteResult result = service.deleteTaxonNode((TaxonNode)taxonNode, config);
 113                                 if (result.isError() && !result.getExceptions().isEmpty()){
 114                                         //TODO:Error message!
 115                                         MessageDialog.openError(null, "Delete failed", result.getExceptions().iterator().next().getMessage());
 116                                 } else if (!result.getExceptions().isEmpty()){
 117                                         String separator = ", ";
 118                                     String exceptionString = "";
 119                                     for (Exception exception : result.getExceptions()) {
 120                                     exceptionString += exception.getLocalizedMessage()+separator;
 121                                 }
 122                                         MessageDialog.openInformation(null, "Delete of the node was successful but the taxon could not be deleted.", exceptionString);
 123                                 }
 124
 125
 126                         }else if(taxonNode != null && taxonNode instanceof Classification){
 127                                 Classification taxonomicTree = (Classification) taxonNode;
 128
 129                                 DeleteResult result = CdmStore.getService(IClassificationService.class).delete(taxonomicTree.getUuid());
 130                 if (result.isError() && !result.getExceptions().isEmpty()){
 131                     //TODO:Error message!
 132                     MessageDialog.openError(null, "Delete failed", result.getExceptions().iterator().next().getMessage());
 133                 }
 134         } else {
 135             Set<UUID> treeNodeUuids = new HashSet<UUID>();
 136             ITaxonTreeNode entity = null;
 137             for(ITaxonTreeNode treeNode : treeNodes) {
 138                 if(entity == null) {
 139                     entity = treeNode;
 140                 }
 141                 treeNodeUuids.add(treeNode.getUuid());
 142             }
 143
 144             DeleteResult result = service.deleteTaxonNodes(treeNodeUuids, config);
 145             if (result.isError() && !result.getExceptions().isEmpty()){
 146                                 //TODO:Error message!
 147                                 MessageDialog.openError(null, "Delete failed", result.getExceptions().iterator().next().getMessage());
 148                         }
 149
 150         }
 151
 152         monitor.worked(40);
 153
 154         return postExecute(null);
 155     }
 156
 157     /* (non-Javadoc)
 158      * @see org.eclipse.core.commands.operations.AbstractOperation#redo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
 159      */
 160     /** {@inheritDoc} */
 161     @Override
 162     public IStatus redo(IProgressMonitor monitor, IAdaptable info)
 163             throws ExecutionException {
 164         return null;
 165     }
 166
 167     /* (non-Javadoc)
 168      * @see org.eclipse.core.commands.operations.AbstractOperation#undo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
 169      */
 170     /** {@inheritDoc} */
 171     @Override
 172     public IStatus undo(IProgressMonitor monitor, IAdaptable info)
 173             throws ExecutionException {
 174         return null;
 175     }
 176 }