eu.etaxonomy.taxeditor.navigation/src/main/java/eu/etaxonomy/taxeditor/navigation/navigator/handler/MoveTaxonHandler.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.handler;
  11
  12 import java.util.ArrayList;
  13 import java.util.HashSet;
  14 import java.util.Iterator;
  15 import java.util.List;
  16 import java.util.Set;
  17 import java.util.UUID;
  18
  19 import org.eclipse.core.commands.AbstractHandler;
  20 import org.eclipse.core.commands.ExecutionEvent;
  21 import org.eclipse.core.commands.ExecutionException;
  22 import org.eclipse.core.expressions.EvaluationContext;
  23 import org.eclipse.jface.dialogs.MessageDialog;
  24 import org.eclipse.jface.viewers.TreeSelection;
  25 import org.eclipse.ui.IEditorInput;
  26 import org.eclipse.ui.IEditorReference;
  27 import org.eclipse.ui.IWorkbenchPage;
  28 import org.eclipse.ui.PartInitException;
  29 import org.eclipse.ui.handlers.HandlerUtil;
  30
  31 import eu.etaxonomy.cdm.api.application.ICdmApplicationConfiguration;
  32 import eu.etaxonomy.cdm.api.service.ITaxonNodeService;
  33 import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
  34 import eu.etaxonomy.cdm.model.common.CdmBase;
  35 import eu.etaxonomy.cdm.model.common.ITreeNode;
  36 import eu.etaxonomy.cdm.model.taxon.ITaxonTreeNode;
  37 import eu.etaxonomy.cdm.model.taxon.TaxonNode;
  38 import eu.etaxonomy.taxeditor.editor.TaxonEditorInput;
  39 import eu.etaxonomy.taxeditor.navigation.NavigationUtil;
  40 import eu.etaxonomy.taxeditor.navigation.navigator.TaxonNavigator;
  41 import eu.etaxonomy.taxeditor.navigation.navigator.operation.MoveTaxonOperation;
  42 import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
  43 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  44 import eu.etaxonomy.taxeditor.store.CdmStore;
  45 import eu.etaxonomy.taxeditor.ui.dialog.selection.TaxonNodeSelectionDialog;
  46
  47 /**
  48  * <p>MoveTaxonHandler class.</p>
  49  *
  50  * @author n.hoffmann
  51  * @created 01.04.2009
  52  * @version 1.0
  53  */
  54 public class MoveTaxonHandler extends AbstractHandler implements IPostOperationEnabled {
  55
  56         private TaxonNode parentTaxonNode;
  57         protected IWorkbenchPage activePage;
  58         /* (non-Javadoc)
  59          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  60          */
  61         /** {@inheritDoc} */
  62         public Object execute(ExecutionEvent event) throws ExecutionException {
  63                 activePage = HandlerUtil.getActiveWorkbenchWindow(event).getActivePage();
  64                 TaxonNavigator taxonNavigator = (TaxonNavigator)NavigationUtil.showView(TaxonNavigator.ID);
  65
  66                 TreeSelection selection = (TreeSelection) HandlerUtil.getCurrentSelection(event);
  67
  68                 Iterator selectionIterator = selection.iterator();
  69                 TaxonNode taxonNode = null;
  70                 UUID taxonNodeUUID = null;
  71                 // do not show the current selection
  72                 List<UUID> excludeTaxa = new ArrayList<UUID>();
  73
  74                 if (selection.size() == 1){
  75                         Object object = selectionIterator.next();
  76                         if(object instanceof TaxonNode){
  77                                 taxonNode = HibernateProxyHelper.deproxy(object,TaxonNode.class);
  78                                 taxonNodeUUID = taxonNode.getUuid();
  79                                 excludeTaxa.add(taxonNode.getTaxon().getUuid());
  80                         }
  81                 } else{
  82                         if( MessageDialog.openConfirm(HandlerUtil.getActiveShell(event), "Moving taxon", "The operation move accepted taxon to other parent is available only for a single taxon.")){
  83                                 return null;
  84                         }
  85                 }
  86
  87
  88 //              TaxonNode taxonNode = (TaxonNode) selection.getFirstElement();
  89                 if (taxonNode != null){
  90                         parentTaxonNode = TaxonNodeSelectionDialog.select(HandlerUtil.getActiveShell(event), taxonNavigator.getConversationHolder(), "Choose new parent", excludeTaxa, null, null);
  91
  92                         if(parentTaxonNode != null){
  93                                 if(NavigationUtil.isDirty(parentTaxonNode)){
  94                                         MessageDialog.openWarning(HandlerUtil.getActiveShell(event), "Unsaved Parent Taxon", "There are unsaved " +
  95                                                         "changes in the parent taxon. Please save first.");
  96                                         return null;
  97                                 }
  98
  99                                 AbstractPostOperation operation = new MoveTaxonOperation
 100                                                 ("Move taxon to new parent", NavigationUtil.getUndoContext(),
 101                                                                 taxonNode, parentTaxonNode, taxonNavigator, taxonNavigator); //$NON-NLS-1$
 102                                 NavigationUtil.executeOperation(operation);
 103                                 taxonNavigator.refresh();
 104
 105                         }
 106                 }
 107                 return null;
 108         }
 109
 110         /* (non-Javadoc)
 111          * @see eu.etaxonomy.taxeditor.operations.IPostOperationEnabled#postOperation(eu.etaxonomy.cdm.model.common.CdmBase)
 112          */
 113         /** {@inheritDoc} */
 114         public boolean postOperation(CdmBase objectAffectedByOperation) {
 115                 return true;
 116         }
 117
 118         /**
 119          * <p>onComplete</p>
 120          *
 121          * @return a boolean.
 122          */
 123         public boolean onComplete() {
 124                 return false;
 125         }
 126
 127
 128
 129 }