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.model.taxon.ITaxonTreeNode;
  25 import eu.etaxonomy.cdm.model.taxon.IllegalAncestryException;
  26 import eu.etaxonomy.cdm.model.taxon.TaxonNode;
  27 import eu.etaxonomy.taxeditor.operation.AbstractPersistentPostOperation;
  28 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  29 import eu.etaxonomy.taxeditor.store.StoreUtil;
  30
  31 /**
  32  * Change the taxonomic parent of a given taxon.
  33  *
  34  * @author n.hoffmann
  35  * @created 16.01.2009
  36  * @version 1.0
  37  */
  38 public class MoveTaxonOperation extends AbstractPersistentPostOperation {
  39
  40         /**
  41          * A reference to the new taxonomical parent.
  42          */
  43         private ITaxonTreeNode newParentTreeNode;
  44         /**
  45          * A reference to the former taxonomical parents
  46          */
  47         private Map<TaxonNode, ITaxonTreeNode> oldParentTreeNodes;
  48
  49         private Set<TaxonNode> taxonNodes;
  50
  51         /**
  52          * <p>Constructor for MoveTaxonOperation.</p>
  53          *
  54          * @param label a {@link java.lang.String} object.
  55          * @param undoContext a {@link org.eclipse.core.commands.operations.IUndoContext} object.
  56          * @param taxonNodes a {@link java.util.Set} object.
  57          * @param newParentTreeNode a {@link eu.etaxonomy.cdm.model.taxon.ITaxonTreeNode} object.
  58          * @param postOperationEnabled a {@link eu.etaxonomy.taxeditor.operation.IPostOperationEnabled} object.
  59          * @param conversationEnabled a {@link eu.etaxonomy.cdm.api.conversation.IConversationEnabled} object.
  60          */
  61         public MoveTaxonOperation(String label, IUndoContext undoContext,
  62                         Set<TaxonNode> taxonNodes, ITaxonTreeNode newParentTreeNode, IPostOperationEnabled postOperationEnabled, IConversationEnabled conversationEnabled) {
  63                 super(label, undoContext, postOperationEnabled, conversationEnabled);
  64
  65                 this.taxonNodes = taxonNodes;
  66
  67                 this.newParentTreeNode = newParentTreeNode;
  68
  69                 // Save old parent ITaxonTreeNodes for undo
  70                 oldParentTreeNodes = new HashMap<TaxonNode, ITaxonTreeNode>();
  71                 for(TaxonNode taxonNode : taxonNodes){
  72                         this.oldParentTreeNodes.put(taxonNode, taxonNode.getParent());
  73                 }
  74         }
  75
  76         /* (non-Javadoc)
  77          * @see org.eclipse.core.commands.operations.AbstractOperation#execute(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  78          */
  79         /** {@inheritDoc} */
  80         @Override
  81         public IStatus execute(IProgressMonitor monitor, IAdaptable info)
  82                         throws ExecutionException {
  83                 bind();
  84                 monitor.worked(20);
  85
  86                 try {
  87                         for (TaxonNode taxonNode : taxonNodes){
  88                                 TaxonNode newTaxonNode = newParentTreeNode.addChildNode(taxonNode,
  89                                                 newParentTreeNode.getReference(), newParentTreeNode.getMicroReference());
  90                                 taxonNodes.add(newTaxonNode);
  91                                 monitor.worked(2);
  92                         }
  93                 } catch(IllegalAncestryException e) {
  94                         StoreUtil.warningDialog("Illegal ancestry", this, e.getMessage());
  95                 }
  96                 monitor.worked(40);
  97
  98                 return postExecute(null);
  99         }
 100
 101         /* (non-Javadoc)
 102          * @see org.eclipse.core.commands.operations.AbstractOperation#redo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
 103          */
 104         /** {@inheritDoc} */
 105         @Override
 106         public IStatus redo(IProgressMonitor monitor, IAdaptable info)
 107                         throws ExecutionException {
 108                 return execute(monitor, info);
 109         }
 110
 111         /* (non-Javadoc)
 112          * @see org.eclipse.core.commands.operations.AbstractOperation#undo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
 113          */
 114         /** {@inheritDoc} */
 115         @Override
 116         public IStatus undo(IProgressMonitor monitor, IAdaptable info)
 117                         throws ExecutionException {
 118                 StoreUtil.warn(this.getClass(), "Not implemented yet.");
 119
 120                 // iterate over oldParentTreeNodes, delete each TaxonNode from its actual parent and add to its former parent
 121
 122                 return Status.OK_STATUS;
 123         }
 124 }