eu.etaxonomy.taxeditor.navigation/src/main/java/eu/etaxonomy/taxeditor/navigation/navigator/handler/RemotingMoveTaxonNodeHandler.java

   1 /**
   2  * Copyright (C) 2015 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 package eu.etaxonomy.taxeditor.navigation.navigator.handler;
  10
  11 import java.util.ArrayList;
  12 import java.util.List;
  13 import java.util.UUID;
  14
  15 import org.eclipse.core.commands.ExecutionEvent;
  16 import org.eclipse.core.commands.operations.AbstractOperation;
  17 import org.eclipse.core.runtime.IStatus;
  18 import org.eclipse.core.runtime.Status;
  19 import org.eclipse.jface.dialogs.MessageDialog;
  20 import org.eclipse.jface.viewers.TreeSelection;
  21 import org.eclipse.swt.widgets.Shell;
  22 import org.eclipse.ui.handlers.HandlerUtil;
  23
  24 import eu.etaxonomy.cdm.api.conversation.ConversationHolderMock;
  25 import eu.etaxonomy.cdm.model.taxon.TaxonNode;
  26 import eu.etaxonomy.taxeditor.navigation.NavigationUtil;
  27 import eu.etaxonomy.taxeditor.navigation.l10n.Messages;
  28 import eu.etaxonomy.taxeditor.navigation.navigator.TaxonNavigatorLabels;
  29 import eu.etaxonomy.taxeditor.navigation.navigator.TreeNodeDropAdapter.MovingType;
  30 import eu.etaxonomy.taxeditor.navigation.navigator.operation.RemotingMoveTaxonOperation;
  31 import eu.etaxonomy.taxeditor.operation.RemotingCdmHandler;
  32 import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
  33 import eu.etaxonomy.taxeditor.ui.dialog.selection.TaxonNodeSelectionDialog;
  34
  35 /**
  36  * @author cmathew
  37  * @date 19 Jun 2015
  38  *
  39  */
  40 public class RemotingMoveTaxonNodeHandler extends RemotingCdmHandler {
  41
  42     private TaxonNode oldTaxonNode;
  43
  44     public RemotingMoveTaxonNodeHandler() {
  45         super(TaxonNavigatorLabels.MOVE_TAXON_LABEL);
  46     }
  47
  48     /* (non-Javadoc)
  49      * @see eu.etaxonomy.taxeditor.operation.RemotingCdmHandler#allowOperations(org.eclipse.core.commands.ExecutionEvent)
  50      */
  51     @Override
  52     public IStatus allowOperations(ExecutionEvent event) {
  53         TreeSelection selection = (TreeSelection) HandlerUtil.getCurrentSelection(event);
  54         // check that only a single taxon tree node has been selected
  55         if(selection.size() > 1) {
  56             return new Status(IStatus.ERROR,
  57                     "unknown", //$NON-NLS-1$
  58                     TaxonNavigatorLabels.SINGLE_TAXON_SELECTION_MESSAGE);
  59         }
  60
  61         // check for no taxon tree node selected
  62         if(selection.size() == 0) {
  63             return new Status(IStatus.ERROR,
  64                     "unknown", //$NON-NLS-1$
  65                     TaxonNavigatorLabels.NO_TAXON_SELECTION_MESSAGE);
  66         }
  67         // check that selected object is a taxon node
  68         Object obj = selection.iterator().next();
  69         if(obj instanceof TaxonNode) {
  70             oldTaxonNode = (TaxonNode)obj;
  71         } else {
  72             return new Status(IStatus.ERROR,
  73                     "unknown", //$NON-NLS-1$
  74                     TaxonNavigatorLabels.SELECTED_OBJECT_NOT_TREE_NODE_MESSAGE);
  75         }
  76         return Status.OK_STATUS;
  77     }
  78
  79
  80     /* (non-Javadoc)
  81      * @see eu.etaxonomy.taxeditor.operation.RemotingCdmHandler#prepareOperation(org.eclipse.core.commands.ExecutionEvent)
  82      */
  83     @Override
  84     public AbstractOperation prepareOperation(ExecutionEvent event) {
  85         Shell activeShell = HandlerUtil.getActiveShell(event);
  86         TaxonNode parentTaxonNode;
  87
  88         List<UUID> excludeTaxa = new ArrayList<UUID>();
  89         excludeTaxa.add(oldTaxonNode.getTaxon().getUuid());
  90
  91         MovingType moveToNewParent = MovingType.CHILD;
  92
  93         if (PreferencesUtil.getSortNodesNaturally()){
  94
  95
  96             parentTaxonNode = TaxonNodeSelectionDialog.select(activeShell,
  97                     new ConversationHolderMock(),
  98                     Messages.RemotingMoveTaxonNodeHandler_CHOOSE_TAXON,
  99                     excludeTaxa,
 100                     null,
 101                     oldTaxonNode.getClassification());
 102             String[] buttonLables = {Messages.RemotingMoveTaxonNodeHandler_CHILD, Messages.RemotingMoveTaxonNodeHandler_BEHIND,Messages.RemotingMoveTaxonNodeHandler_CANCEL};
 103             MessageDialog dialog = new MessageDialog(null, Messages.RemotingMoveTaxonNodeHandler_TARGET_NODE, null, Messages.RemotingMoveTaxonNodeHandler_TARGET_NODE_MESSAGE, MessageDialog.QUESTION_WITH_CANCEL, buttonLables, 0);
 104             dialog.open();
 105             int returnCode = dialog.getReturnCode();
 106             if (returnCode == 0){
 107                 moveToNewParent = MovingType.CHILD;
 108             } else if (returnCode == 1){
 109                 moveToNewParent = MovingType.BEHIND;
 110             }
 111         } else {
 112             parentTaxonNode = TaxonNodeSelectionDialog.select(activeShell,
 113                     new ConversationHolderMock(),
 114                     Messages.RemotingMoveTaxonNodeHandler_CHOOSE_PARENT,
 115                     excludeTaxa,
 116                     null,
 117                     oldTaxonNode.getClassification());
 118         }
 119
 120
 121         if(parentTaxonNode != null){
 122             if(NavigationUtil.isDirty(parentTaxonNode)){
 123                 MessageDialog.openWarning(activeShell,
 124                         Messages.RemotingMoveTaxonNodeHandler_UNSAVED_PARENT,
 125                         Messages.RemotingMoveTaxonNodeHandler_UNSAVED_PARENT_MESSAGE);
 126                 return null;
 127             }
 128
 129             return new RemotingMoveTaxonOperation(event.getTrigger(),
 130                     false,
 131                     oldTaxonNode.getUuid(),
 132                     parentTaxonNode.getUuid(),
 133                     moveToNewParent);
 134         }
 135
 136         return null;
 137     }
 138
 139     /* (non-Javadoc)
 140      * @see eu.etaxonomy.taxeditor.operation.RemotingCdmHandler#onComplete()
 141      */
 142     @Override
 143     public void onComplete() {
 144         // TODO Auto-generated method stub
 145
 146     }
 147
 148 }