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         Set<CdmBase> affectedObjects = new HashSet<CdmBase>();
 106
 107         if(taxonNode != null && taxonNode instanceof TaxonNode){
 108             //((TaxonNode) treeNode).delete();
 109
 110             element = ((TaxonNode)taxonNode).getTaxon();
 111
 112             DeleteResult result = service.deleteTaxonNode(taxonNode.getUuid(), config);
 113             if (result.isError()){
 114                 //TODO:Error message!
 115                 MessageDialog.openError(null, "Delete failed", result.getExceptions().get(0).getMessage());
 116             } else {
 117                 affectedObjects.add(((TaxonNode)taxonNode).getParent());
 118                 cdmEntitySessionEnabled.getCdmEntitySession().delete(taxonNode, affectedObjects);
 119             }
 120
 121         }else if(taxonNode != null && taxonNode instanceof Classification){
 122             Classification taxonomicTree = (Classification) taxonNode;
 123             /*if(taxonomicTree.hasChildNodes()){
 124                                         if(! MessageDialog.openConfirm(null, "Confirm Deletion", "The selected tree has children, do yu realy want to delete the whole tree with its children?")){
 125                                                 return null;
 126                                         }
 127                                 }*/
 128
 129             DeleteResult result = CdmStore.getService(IClassificationService.class).delete(taxonomicTree);
 130             if (result.isError()){
 131                 //TODO:Error message!
 132                 MessageDialog.openError(null, "Delete failed", result.getExceptions().get(0).getMessage());
 133             } else {
 134                 affectedObjects.add(((TaxonNode)taxonNode).getParent());
 135                 cdmEntitySessionEnabled.getCdmEntitySession().delete(taxonomicTree, affectedObjects);
 136             }
 137         } else {
 138             Set<UUID> treeNodeUuids = new HashSet<UUID>();
 139             for(ITaxonTreeNode treeNode : treeNodes) {
 140                 treeNodeUuids.add(treeNode.getUuid());
 141             }
 142             DeleteResult result = service.deleteTaxonNodes(treeNodeUuids, config);
 143             if (result.isError()){
 144                 //TODO:Error message!
 145                 MessageDialog.openError(null, "Delete failed", result.getExceptions().get(0).getMessage());
 146             }
 147
 148             for(ITaxonTreeNode treeNode : treeNodes) {
 149                 affectedObjects.add(((TaxonNode)treeNode).getParent());
 150             }
 151             cdmEntitySessionEnabled.getCdmEntitySession().delete(treeNodes, affectedObjects);
 152         }
 153
 154         monitor.worked(40);
 155         return postExecute(null);
 156     }
 157
 158     /* (non-Javadoc)
 159      * @see org.eclipse.core.commands.operations.AbstractOperation#redo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
 160      */
 161     /** {@inheritDoc} */
 162     @Override
 163     public IStatus redo(IProgressMonitor monitor, IAdaptable info)
 164             throws ExecutionException {
 165         return null;
 166     }
 167
 168     /* (non-Javadoc)
 169      * @see org.eclipse.core.commands.operations.AbstractOperation#undo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
 170      */
 171     /** {@inheritDoc} */
 172     @Override
 173     public IStatus undo(IProgressMonitor monitor, IAdaptable info)
 174             throws ExecutionException {
 175         return null;
 176     }
 177 }