eu.etaxonomy.taxeditor.navigation/src/main/java/eu/etaxonomy/taxeditor/navigation/key/polytomous/handler/RemotingDeletePolytomousKeyHandler.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2015 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10 package eu.etaxonomy.taxeditor.navigation.key.polytomous.handler;
  11
  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.viewers.IStructuredSelection;
  20 import org.eclipse.ui.handlers.HandlerUtil;
  21
  22 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  23 import eu.etaxonomy.taxeditor.navigation.key.polytomous.PolytomousKeyViewLabels;
  24 import eu.etaxonomy.taxeditor.navigation.key.polytomous.operation.RemotingDeletePolytomousKeyOperation;
  25 import eu.etaxonomy.taxeditor.operation.RemotingCdmHandler;
  26 import eu.etaxonomy.taxeditor.util.OperationsUtil;
  27
  28 /**
  29  * @author cmathew
  30  * @date 25 Jun 2015
  31  *
  32  */
  33 public class RemotingDeletePolytomousKeyHandler extends RemotingCdmHandler {
  34
  35     List<UUID> keysToDelete;
  36     /**
  37      * @param label
  38      */
  39     public RemotingDeletePolytomousKeyHandler() {
  40         super(PolytomousKeyViewLabels.DELETE_POLYTOMOUS_KEY_LABEL);
  41     }
  42
  43     /* (non-Javadoc)
  44      * @see eu.etaxonomy.taxeditor.operation.RemotingCdmHandler#allowOperations(org.eclipse.core.commands.ExecutionEvent)
  45      */
  46     @Override
  47     public IStatus allowOperations(ExecutionEvent event) {
  48         IStructuredSelection selection = (IStructuredSelection) HandlerUtil.getCurrentSelection(event);
  49
  50         keysToDelete = OperationsUtil.convertToUuidList(selection.toList());
  51
  52         if(keysToDelete.isEmpty()){
  53            return Status.CANCEL_STATUS;
  54         }
  55
  56         boolean confirmation = MessagingUtils.confirmDialog("Confirm deletaion", "Do you want to delete the selected key" + (keysToDelete.size() == 1 ? "" : "s") + "?");
  57
  58         if(!confirmation) {
  59             return Status.CANCEL_STATUS;
  60         }
  61         return Status.OK_STATUS;
  62     }
  63
  64     /* (non-Javadoc)
  65      * @see eu.etaxonomy.taxeditor.operation.RemotingCdmHandler#prepareOperation(org.eclipse.core.commands.ExecutionEvent)
  66      */
  67     @Override
  68     public AbstractOperation prepareOperation(ExecutionEvent event) {
  69         return new RemotingDeletePolytomousKeyOperation(event.getTrigger(),
  70                 false,
  71                 keysToDelete);
  72     }
  73
  74     /* (non-Javadoc)
  75      * @see eu.etaxonomy.taxeditor.operation.RemotingCdmHandler#onComplete()
  76      */
  77     @Override
  78     public void onComplete() {
  79         // TODO Auto-generated method stub
  80
  81     }
  82
  83 }