eu.etaxonomy.taxeditor.navigation/src/main/java/eu/etaxonomy/taxeditor/navigation/key/polytomous/handler/RemotingDeletePolytomousKeyHandler.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.key.polytomous.handler;
  10
  11 import java.util.List;
  12 import java.util.UUID;
  13
  14 import org.eclipse.core.commands.ExecutionEvent;
  15 import org.eclipse.core.commands.operations.AbstractOperation;
  16 import org.eclipse.core.runtime.IStatus;
  17 import org.eclipse.core.runtime.Status;
  18 import org.eclipse.jface.viewers.IStructuredSelection;
  19 import org.eclipse.ui.IEditorInput;
  20 import org.eclipse.ui.IEditorReference;
  21 import org.eclipse.ui.IWorkbenchPage;
  22 import org.eclipse.ui.PartInitException;
  23 import org.eclipse.ui.handlers.HandlerUtil;
  24
  25 import eu.etaxonomy.taxeditor.editor.key.polytomous.PolytomousKeyEditorInput;
  26 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  27 import eu.etaxonomy.taxeditor.navigation.key.polytomous.PolytomousKeyViewLabels;
  28 import eu.etaxonomy.taxeditor.navigation.key.polytomous.operation.RemotingDeletePolytomousKeyOperation;
  29 import eu.etaxonomy.taxeditor.operation.RemotingCdmHandler;
  30 import eu.etaxonomy.taxeditor.util.OperationsUtil;
  31
  32 /**
  33  * @author cmathew
  34  * @date 25 Jun 2015
  35  *
  36  */
  37 public class RemotingDeletePolytomousKeyHandler extends RemotingCdmHandler {
  38
  39     List<UUID> keysToDelete;
  40     /**
  41      * @param label
  42      */
  43     public RemotingDeletePolytomousKeyHandler() {
  44         super(PolytomousKeyViewLabels.DELETE_POLYTOMOUS_KEY_LABEL);
  45     }
  46
  47     /* (non-Javadoc)
  48      * @see eu.etaxonomy.taxeditor.operation.RemotingCdmHandler#allowOperations(org.eclipse.core.commands.ExecutionEvent)
  49      */
  50     @Override
  51     public IStatus allowOperations(ExecutionEvent event) {
  52         IStructuredSelection selection = (IStructuredSelection) HandlerUtil.getCurrentSelection(event);
  53
  54         keysToDelete = OperationsUtil.convertToUuidList(selection.toList());
  55
  56         if(keysToDelete.isEmpty()){
  57            return Status.CANCEL_STATUS;
  58         }
  59
  60         boolean confirmation = MessagingUtils.confirmDialog(DeleteHandler.CONFIRM, DeleteHandler.CONFIRM_MESSAGE);
  61
  62         if(!confirmation) {
  63             return Status.CANCEL_STATUS;
  64         }
  65         closeObsoleteEditor(event);
  66         return Status.OK_STATUS;
  67     }
  68
  69     /* (non-Javadoc)
  70      * @see eu.etaxonomy.taxeditor.operation.RemotingCdmHandler#prepareOperation(org.eclipse.core.commands.ExecutionEvent)
  71      */
  72     @Override
  73     public AbstractOperation prepareOperation(ExecutionEvent event) {
  74         return new RemotingDeletePolytomousKeyOperation(event.getTrigger(),
  75                 false,
  76                 keysToDelete);
  77     }
  78
  79     /* (non-Javadoc)
  80      * @see eu.etaxonomy.taxeditor.operation.RemotingCdmHandler#onComplete()
  81      */
  82     @Override
  83     public void onComplete() {
  84         // TODO Auto-generated method stub
  85
  86     }
  87     protected boolean closeObsoleteEditor(ExecutionEvent event){
  88         boolean result = true;
  89         IWorkbenchPage activePage = HandlerUtil.getActiveWorkbenchWindow(event).getActivePage();
  90
  91         for (IEditorReference ref : activePage.getEditorReferences()) {
  92             try {
  93                 IEditorInput input = ref.getEditorInput();
  94                 if (input instanceof PolytomousKeyEditorInput) {
  95                     UUID uuidForKey = ((PolytomousKeyEditorInput) input).getKey().getUuid();
  96                     for (UUID keyUuid :keysToDelete) {
  97                         if( uuidForKey.equals(keyUuid)){
  98                             result &= activePage.closeEditor(ref.getEditor(false), false);
  99                         }
 100                     }
 101
 102                 }
 103             } catch (PartInitException e) {
 104                 continue;
 105             }
 106         }
 107         return result;
 108     }
 109
 110 }