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 import org.eclipse.jface.dialogs.MessageDialog;
  21
  22 import eu.etaxonomy.cdm.api.application.ICdmApplicationConfiguration;
  23 import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
  24 import eu.etaxonomy.cdm.api.service.DeleteResult;
  25 import eu.etaxonomy.cdm.api.service.IClassificationService;
  26 import eu.etaxonomy.cdm.api.service.ITaxonNodeService;
  27 import eu.etaxonomy.cdm.api.service.config.TaxonDeletionConfigurator;
  28 import eu.etaxonomy.cdm.model.common.CdmBase;
  29 import eu.etaxonomy.cdm.model.taxon.Classification;
  30 import eu.etaxonomy.cdm.model.taxon.ITaxonTreeNode;
  31 import eu.etaxonomy.cdm.model.taxon.TaxonNode;
  32 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  33 import eu.etaxonomy.taxeditor.operation.AbstractPersistentPostOperation;
  34 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  35 import eu.etaxonomy.taxeditor.store.CdmStore;
  36
  37 /**
  38  * <p>DeleteTreeNodeOperation class.</p>
  39  *
  40  * @author n.hoffmann
  41  * @created Jan 20, 2010
  42  * @version 1.0
  43  */
  44 public class DeleteOperation extends AbstractPersistentPostOperation{
  45
  46         private Set<ITaxonTreeNode> treeNodes;
  47         protected final TaxonDeletionConfigurator config;
  48
  49
  50         /**
  51          * <p>Constructor for DeleteTreeNodeOperation.</p>
  52          *
  53          * @param label a {@link java.lang.String} object.
  54          * @param undoContext a {@link org.eclipse.core.commands.operations.IUndoContext} object.
  55          * @param postOperationEnabled a {@link eu.etaxonomy.taxeditor.operation.IPostOperationEnabled} object.
  56          * @param conversationEnabled a {@link eu.etaxonomy.cdm.api.conversation.IConversationEnabled} object.
  57          * @param treeNodes a {@link java.util.Set} object.
  58          */
  59         public DeleteOperation(String label, IUndoContext undoContext,
  60                         ITaxonTreeNode taxonNode, TaxonDeletionConfigurator config,
  61                         IPostOperationEnabled postOperationEnabled,
  62                         IConversationEnabled conversationEnabled) {
  63                 super(label, undoContext, postOperationEnabled, conversationEnabled);
  64                 this.taxonNode = (ITaxonTreeNode)CdmBase.deproxy(taxonNode, CdmBase.class);
  65                 this.config = config;
  66         }
  67
  68         /**
  69          * <p>Constructor for DeleteTreeNodeOperation.</p>
  70          *
  71          * @param label a {@link java.lang.String} object.
  72          * @param undoContext a {@link org.eclipse.core.commands.operations.IUndoContext} object.
  73          * @param postOperationEnabled a {@link eu.etaxonomy.taxeditor.operation.IPostOperationEnabled} object.
  74          * @param conversationEnabled a {@link eu.etaxonomy.cdm.api.conversation.IConversationEnabled} object.
  75          * @param treeNodes a {@link java.util.Set} object.
  76          */
  77         public DeleteOperation(String label, IUndoContext undoContext,
  78                         Set<ITaxonTreeNode> treeNodes, TaxonDeletionConfigurator config,
  79                         IPostOperationEnabled postOperationEnabled,
  80                         IConversationEnabled conversationEnabled) {
  81                 super(label, undoContext, postOperationEnabled, conversationEnabled);
  82                 this.treeNodes = treeNodes;
  83                 this.config = config;
  84         }
  85
  86
  87         /* (non-Javadoc)
  88          * @see org.eclipse.core.commands.operations.AbstractOperation#execute(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  89          */
  90         /** {@inheritDoc} */
  91         @Override
  92         public IStatus execute(IProgressMonitor monitor, IAdaptable info)
  93                         throws ExecutionException {
  94
  95                 bind();
  96                 monitor.worked(20);
  97                 ICdmApplicationConfiguration controller = CdmStore.getCurrentApplicationConfiguration();
  98                 ITaxonNodeService service = controller.getTaxonNodeService();
  99                         if(taxonNode != null && taxonNode instanceof TaxonNode){
 100                                 //((TaxonNode) treeNode).delete();
 101
 102                                 element = ((TaxonNode)taxonNode).getTaxon();
 103
 104                                 DeleteResult result = service.deleteTaxonNode((TaxonNode)taxonNode, config);
 105                                 if (result.isError() && !result.getExceptions().isEmpty()){
 106                                         //TODO:Error message!
 107                                         MessageDialog.openError(null, "Delete failed", result.getExceptions().iterator().next().getMessage());
 108                                 } else if (!result.getExceptions().isEmpty()){
 109                                         String separator = ", ";
 110                                     String exceptionString = "";
 111                                     int count = 1;
 112                                     for (Exception exception : result.getExceptions()) {
 113                                         exceptionString += exception.getLocalizedMessage();
 114                                         if (count < result.getExceptions().size()){
 115                                             exceptionString += separator;
 116                                         }
 117                                 }
 118                                         MessagingUtils.informationDialog("Delete of the node was successful but the taxon could not be deleted.", exceptionString);
 119                                 }
 120
 121
 122                         }else if(taxonNode != null && taxonNode instanceof Classification){
 123                                 Classification taxonomicTree = (Classification) taxonNode;
 124                                 /*if(taxonomicTree.hasChildNodes()){
 125                                         if(! MessageDialog.openConfirm(null, "Confirm Deletion", "The selected tree has children, do yu realy want to delete the whole tree with its children?")){
 126                                                 return null;
 127                                         }
 128                                 }*/
 129
 130                                 DeleteResult result = CdmStore.getService(IClassificationService.class).delete(taxonomicTree);
 131                                 if (result.isError() && !result.getExceptions().isEmpty()){
 132                                     String separator = ", ";
 133                     String exceptionString = "";
 134                     for (Exception exception : result.getExceptions()) {
 135                         exceptionString += exception.getLocalizedMessage()+separator;
 136                     }
 137                                     MessagingUtils.error(null, exceptionString, result.getExceptions().iterator().next());
 138                                 }
 139
 140                                 /*}else{
 141                                         try{
 142                                         CdmStore.getService(IClassificationService.class).delete(taxonomicTree);
 143                                         }catch(ReferencedObjectUndeletableException e){
 144                                                 throw new ExecutionException(e.getMessage());
 145                                         }
 146                                 }*/
 147                         } else {
 148
 149                                 DeleteResult result =service.deleteTaxonNodes(treeNodes, config);
 150                                 if (result.isError() && !result.getExceptions().isEmpty()){
 151                                     String separator = ", ";
 152                     String exceptionString = "";
 153                     for (Exception exception : result.getExceptions()) {
 154                         exceptionString += exception.getLocalizedMessage()+separator;
 155                     }
 156                     MessagingUtils.error(null, exceptionString, result.getExceptions().iterator().next());
 157                                 }
 158                         }
 159
 160                 monitor.worked(40);
 161                 return postExecute(null);
 162         }
 163
 164         /* (non-Javadoc)
 165          * @see org.eclipse.core.commands.operations.AbstractOperation#redo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
 166          */
 167         /** {@inheritDoc} */
 168         @Override
 169         public IStatus redo(IProgressMonitor monitor, IAdaptable info)
 170                         throws ExecutionException {
 171                 return null;
 172         }
 173
 174         /* (non-Javadoc)
 175          * @see org.eclipse.core.commands.operations.AbstractOperation#undo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
 176          */
 177         /** {@inheritDoc} */
 178         @Override
 179         public IStatus undo(IProgressMonitor monitor, IAdaptable info)
 180                         throws ExecutionException {
 181                 return null;
 182         }
 183 }