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