eu.etaxonomy.taxeditor.navigation/src/main/java/eu/etaxonomy/taxeditor/navigation/navigator/operation/MoveTaxonOperation.java

   1 /**
   2 * Copyright (C) 2007 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9
  10 package eu.etaxonomy.taxeditor.navigation.navigator.operation;
  11
  12 import java.util.HashMap;
  13 import java.util.Map;
  14 import java.util.Set;
  15
  16 import org.eclipse.core.commands.ExecutionException;
  17 import org.eclipse.core.commands.operations.IUndoContext;
  18 import org.eclipse.core.runtime.IAdaptable;
  19 import org.eclipse.core.runtime.IProgressMonitor;
  20 import org.eclipse.core.runtime.IStatus;
  21 import org.eclipse.core.runtime.Status;
  22
  23 import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
  24 import eu.etaxonomy.cdm.api.service.ITaxonNodeService;
  25 import eu.etaxonomy.cdm.model.taxon.ITaxonTreeNode;
  26 import eu.etaxonomy.cdm.model.taxon.IllegalAncestryException;
  27 import eu.etaxonomy.cdm.model.taxon.TaxonNode;
  28 import eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeEvent.EventType;
  29 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  30 import eu.etaxonomy.taxeditor.operation.AbstractPersistentPostOperation;
  31 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  32 import eu.etaxonomy.taxeditor.session.ICdmEntitySessionEnabled;
  33 import eu.etaxonomy.taxeditor.store.CdmStore;
  34
  35 /**
  36  * Change the taxonomic parent of a given taxon.
  37  *
  38  * @author n.hoffmann
  39  * @created 16.01.2009
  40  * @version 1.0
  41  */
  42 public class MoveTaxonOperation extends AbstractPersistentPostOperation {
  43
  44         /**
  45          * A reference to the new taxonomical parent.
  46          */
  47         private final ITaxonTreeNode newParentTreeNode;
  48         /**
  49          * A reference to the former taxonomical parents
  50          */
  51         private final Map<TaxonNode, ITaxonTreeNode> oldParentTreeNodes;
  52
  53         private final Set<TaxonNode> taxonNodes;
  54
  55         /**
  56          * <p>Constructor for MoveTaxonOperation.</p>
  57          *
  58          * @param label a {@link java.lang.String} object.
  59          * @param undoContext a {@link org.eclipse.core.commands.operations.IUndoContext} object.
  60          * @param taxonNodes a {@link java.util.Set} object.
  61          * @param newParentTreeNode a {@link eu.etaxonomy.cdm.model.taxon.ITaxonTreeNode} object.
  62          * @param postOperationEnabled a {@link eu.etaxonomy.taxeditor.operation.IPostOperationEnabled} object.
  63          * @param conversationEnabled a {@link eu.etaxonomy.cdm.api.conversation.IConversationEnabled} object.
  64          */
  65         public MoveTaxonOperation(String label,
  66                 IUndoContext undoContext,
  67                         Set<TaxonNode> taxonNodes,
  68                         ITaxonTreeNode newParentTreeNode,
  69                         IPostOperationEnabled postOperationEnabled,
  70                         IConversationEnabled conversationEnabled,
  71             ICdmEntitySessionEnabled cdmEntitySessionEnabled) {
  72                 super(label, undoContext, postOperationEnabled, conversationEnabled, cdmEntitySessionEnabled);
  73
  74                 this.taxonNodes = taxonNodes;
  75
  76                 this.newParentTreeNode = newParentTreeNode;
  77
  78                 // Save old parent ITaxonTreeNodes for undo
  79                 oldParentTreeNodes = new HashMap<TaxonNode, ITaxonTreeNode>();
  80                 for(TaxonNode taxonNode : taxonNodes){
  81                         this.oldParentTreeNodes.put(taxonNode, taxonNode.getParent());
  82                 }
  83         }
  84
  85         /* (non-Javadoc)
  86          * @see org.eclipse.core.commands.operations.AbstractOperation#execute(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  87          */
  88         /** {@inheritDoc} */
  89         @Override
  90         public IStatus execute(IProgressMonitor monitor, IAdaptable info)
  91                         throws ExecutionException {
  92                 bind();
  93                 monitor.worked(20);
  94
  95                 try {
  96                         for (TaxonNode taxonNode : taxonNodes){
  97                                 TaxonNode newTaxonNode = newParentTreeNode.addChildNode(taxonNode,
  98                                                 newParentTreeNode.getReference(), newParentTreeNode.getMicroReference());
  99                                 taxonNodes.add(newTaxonNode);
 100
 101                                 monitor.worked(2);
 102                         }
 103                         CdmStore.getService( ITaxonNodeService.class).merge((TaxonNode)newParentTreeNode);
 104                         CdmStore.getCurrentSessionManager().getActiveSession().addEvent(newParentTreeNode, EventType.UPDATE);
 105                 } catch(IllegalAncestryException e) {
 106                         MessagingUtils.warningDialog("Illegal ancestry", this, e.getMessage());
 107                 }
 108                 monitor.worked(40);
 109
 110                 return postExecute(null);
 111         }
 112
 113         /* (non-Javadoc)
 114          * @see org.eclipse.core.commands.operations.AbstractOperation#redo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
 115          */
 116         /** {@inheritDoc} */
 117         @Override
 118         public IStatus redo(IProgressMonitor monitor, IAdaptable info)
 119                         throws ExecutionException {
 120                 return execute(monitor, info);
 121         }
 122
 123         /* (non-Javadoc)
 124          * @see org.eclipse.core.commands.operations.AbstractOperation#undo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
 125          */
 126         /** {@inheritDoc} */
 127         @Override
 128         public IStatus undo(IProgressMonitor monitor, IAdaptable info)
 129                         throws ExecutionException {
 130                 MessagingUtils.warn(this.getClass(), "Not implemented yet.");
 131
 132                 // iterate over oldParentTreeNodes, delete each TaxonNode from its actual parent and add to its former parent
 133
 134                 return Status.OK_STATUS;
 135         }
 136 }