taxeditor-store/src/main/java/eu/etaxonomy/taxeditor/operations/DeleteImageOperation.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 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
  11 package eu.etaxonomy.taxeditor.operations;
  12
  13 import org.eclipse.core.commands.ExecutionException;
  14 import org.eclipse.core.commands.operations.IUndoContext;
  15 import org.eclipse.core.runtime.IAdaptable;
  16 import org.eclipse.core.runtime.IProgressMonitor;
  17 import org.eclipse.core.runtime.IStatus;
  18
  19 import eu.etaxonomy.cdm.model.description.DescriptionBase;
  20 import eu.etaxonomy.cdm.model.media.ImageFile;
  21 import eu.etaxonomy.cdm.model.taxon.Taxon;
  22 import eu.etaxonomy.taxeditor.model.ImagesHelper;
  23 import eu.etaxonomy.taxeditor.store.StoreUtil;
  24
  25 /**
  26  * @author p.ciardelli
  27  * @created 31.03.2009
  28  * @version 1.0
  29  */
  30 public class DeleteImageOperation extends AbstractPostOperation {
  31
  32         private ImageFile imageFile;
  33
  34         private DescriptionBase<?> description;
  35
  36         /**
  37          * @param text
  38          * @param undoContext
  39          * @param taxon
  40          * @param url
  41          */
  42         public DeleteImageOperation(String label, IUndoContext undoContext,
  43                         Taxon taxon, DescriptionBase<?> description, ImageFile imageFile, IPostOperationEnabled postOperationEnabled) {
  44                 super(label, undoContext, taxon, postOperationEnabled);
  45
  46                 this.imageFile = imageFile;
  47                 this.description = description;
  48         }
  49
  50         /* (non-Javadoc)
  51          * @see org.eclipse.core.commands.operations.AbstractOperation#execute(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  52          */
  53         @Override
  54         public IStatus execute(IProgressMonitor monitor, IAdaptable info)
  55                         throws ExecutionException {
  56
  57                 // Start the main progress monitor.
  58         IProgressMonitor newMonitor = StoreUtil.startMainMonitor(monitor,"Deleting Image", 2);
  59
  60         // Do one step
  61         newMonitor.worked(1);
  62
  63         try {
  64                 // Operation steps
  65
  66                 ImagesHelper.removeTaxonImage(taxon, description, imageFile);
  67                         StoreUtil.isCanceled(newMonitor, 1);
  68         }
  69         finally {
  70
  71                 // Stop the progress monitor.
  72             newMonitor.done();
  73         }
  74
  75                 return postExecute(null);
  76         }
  77
  78         /* (non-Javadoc)
  79          * @see org.eclipse.core.commands.operations.AbstractOperation#redo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  80          */
  81         @Override
  82         public IStatus redo(IProgressMonitor monitor, IAdaptable info)
  83                         throws ExecutionException {
  84                 return execute(monitor, info);
  85         }
  86
  87         /* (non-Javadoc)
  88          * @see org.eclipse.core.commands.operations.AbstractOperation#undo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  89          */
  90         @Override
  91         public IStatus undo(IProgressMonitor monitor, IAdaptable info)
  92                         throws ExecutionException {
  93
  94                 ImagesHelper.addTaxonImage(taxon, description, imageFile);
  95
  96                 return postExecute(null);
  97         }
  98
  99
 100 }