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.preference.PreferencesUtil;
  45 import eu.etaxonomy.taxeditor.store.CdmStore;
  46 import eu.etaxonomy.taxeditor.ui.dialog.selection.TaxonNodeSelectionDialog;
  47 import eu.etaxonomy.taxeditor.ui.dialog.selection.TaxonNodeSelectionNaturalOrderDialog;
  48
  49 /**
  50  * <p>MoveTaxonHandler class.</p>
  51  *
  52  * @author n.hoffmann
  53  * @created 01.04.2009
  54  * @version 1.0
  55  */
  56 public class MoveTaxonHandler extends AbstractHandler implements IPostOperationEnabled {
  57
  58         private TaxonNode parentTaxonNode;
  59         protected IWorkbenchPage activePage;
  60         /* (non-Javadoc)
  61          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  62          */
  63         /** {@inheritDoc} */
  64         public Object execute(ExecutionEvent event) throws ExecutionException {
  65                 activePage = HandlerUtil.getActiveWorkbenchWindow(event).getActivePage();
  66                 TaxonNavigator taxonNavigator = (TaxonNavigator)NavigationUtil.showView(TaxonNavigator.ID);
  67
  68                 TreeSelection selection = (TreeSelection) HandlerUtil.getCurrentSelection(event);
  69
  70                 Iterator selectionIterator = selection.iterator();
  71                 TaxonNode taxonNode = null;
  72                 UUID taxonNodeUUID = null;
  73                 // do not show the current selection
  74                 List<UUID> excludeTaxa = new ArrayList<UUID>();
  75
  76                 if (selection.size() == 1){
  77                         Object object = selectionIterator.next();
  78                         if(object instanceof TaxonNode){
  79                                 taxonNode = HibernateProxyHelper.deproxy(object,TaxonNode.class);
  80                                 taxonNodeUUID = taxonNode.getUuid();
  81                                 excludeTaxa.add(taxonNode.getTaxon().getUuid());
  82                         }
  83                 } else{
  84                         if( MessageDialog.openConfirm(HandlerUtil.getActiveShell(event), "Moving taxon", "The operation move accepted taxon to other parent is available only for a single taxon.")){
  85                                 return null;
  86                         }
  87                 }
  88
  89
  90 //              TaxonNode taxonNode = (TaxonNode) selection.getFirstElement();
  91                 if (taxonNode != null){
  92                         boolean moveToNewParent = true;
  93                         if (PreferencesUtil.getSortNodesNaturally()){
  94                                 if(!MessageDialog.openQuestion(null, "Target node", "The choosen target node should be the parent?")){
  95                                         moveToNewParent = false;
  96                                 }
  97                                 parentTaxonNode = TaxonNodeSelectionDialog.select(HandlerUtil.getActiveShell(event), taxonNavigator.getConversationHolder(), "Choose the taxon above the moved taxon.", excludeTaxa, null, null);
  98                         }else{
  99                                 parentTaxonNode = TaxonNodeSelectionDialog.select(HandlerUtil.getActiveShell(event), taxonNavigator.getConversationHolder(), "Choose new parent", excludeTaxa, null, null);
 100                         }
 101                         if(parentTaxonNode != null){
 102                                 if(NavigationUtil.isDirty(parentTaxonNode)){
 103                                         MessageDialog.openWarning(HandlerUtil.getActiveShell(event), "Unsaved Parent Taxon", "There are unsaved " +
 104                                                         "changes in the parent taxon. Please save first.");
 105                                         return null;
 106                                 }
 107
 108                                 AbstractPostOperation operation = new MoveTaxonOperation
 109                                                 ("Move taxon to new parent", NavigationUtil.getUndoContext(),
 110                                                                 taxonNode, parentTaxonNode, taxonNavigator, taxonNavigator, moveToNewParent); //$NON-NLS-1$
 111                                 NavigationUtil.executeOperation(operation);
 112                                 taxonNavigator.refresh();
 113
 114                         }
 115                 }
 116                 return null;
 117         }
 118
 119         /* (non-Javadoc)
 120          * @see eu.etaxonomy.taxeditor.operations.IPostOperationEnabled#postOperation(eu.etaxonomy.cdm.model.common.CdmBase)
 121          */
 122         /** {@inheritDoc} */
 123         public boolean postOperation(CdmBase objectAffectedByOperation) {
 124                 return true;
 125         }
 126
 127         /**
 128          * <p>onComplete</p>
 129          *
 130          * @return a boolean.
 131          */
 132         public boolean onComplete() {
 133                 return false;
 134         }
 135
 136
 137
 138 }