taxeditor-store/src/main/java/eu/etaxonomy/taxeditor/operations/RemoveImageFromDescriptionElementOperation.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.operations;
  11
  12 import org.eclipse.core.commands.ExecutionException;
  13 import org.eclipse.core.commands.operations.IUndoContext;
  14 import org.eclipse.core.runtime.IAdaptable;
  15 import org.eclipse.core.runtime.IProgressMonitor;
  16 import org.eclipse.core.runtime.IStatus;
  17
  18 import eu.etaxonomy.cdm.api.utility.ImagesUtility;
  19 import eu.etaxonomy.cdm.model.description.DescriptionElementBase;
  20 import eu.etaxonomy.cdm.model.media.ImageFile;
  21 import eu.etaxonomy.cdm.model.taxon.Taxon;
  22 import eu.etaxonomy.taxeditor.store.StoreUtil;
  23
  24 /**
  25  * @author p.ciardelli
  26  * @created 05.02.2009
  27  * @version 1.0
  28  * @author n.hoffmann
  29  */
  30 public class RemoveImageFromDescriptionElementOperation extends AbstractPostOperation {
  31
  32         private DescriptionElementBase element;
  33         private ImageFile image;
  34
  35         /**
  36          * @param name
  37          * @param undoContext
  38          * @param taxon
  39          * @param element
  40          * @param postOperationEnabled
  41          */
  42         public RemoveImageFromDescriptionElementOperation(String label,
  43                         IUndoContext undoContext, Taxon taxon, ImageFile image,
  44                         DescriptionElementBase element, IPostOperationEnabled postOperationEnabled) {
  45                 super(label, undoContext, taxon, postOperationEnabled);
  46
  47                 this.image = image;
  48                 this.element = element;
  49         }
  50
  51         /* (non-Javadoc)
  52          * @see org.eclipse.core.commands.operations.AbstractOperation#execute(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  53          */
  54         @Override
  55         public IStatus execute(IProgressMonitor monitor, IAdaptable info)
  56                         throws ExecutionException {
  57
  58                 // Start the main progress monitor.
  59         IProgressMonitor newMonitor = StoreUtil.startMainMonitor(monitor,"Removing Image from Description Element", 2);
  60
  61         // Do one step
  62         newMonitor.worked(1);
  63
  64         try {
  65                 // Operation steps
  66
  67                         ImagesUtility.removeImage(element, image);
  68                         StoreUtil.isCanceled(newMonitor, 1);
  69         }
  70         finally {
  71
  72                 // Stop the progress monitor.
  73             newMonitor.done();
  74         }
  75
  76                 return postExecute(element);
  77         }
  78
  79         /* (non-Javadoc)
  80          * @see org.eclipse.core.commands.operations.AbstractOperation#redo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  81          */
  82         @Override
  83         public IStatus redo(IProgressMonitor monitor, IAdaptable info)
  84                         throws ExecutionException {
  85                 return execute(monitor, info);
  86         }
  87
  88         /* (non-Javadoc)
  89          * @see org.eclipse.core.commands.operations.AbstractOperation#undo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  90          */
  91         @Override
  92         public IStatus undo(IProgressMonitor monitor, IAdaptable info)
  93                         throws ExecutionException {
  94                 image = ImagesUtility.addImagePart(element);
  95                 return postExecute(image);
  96         }
  97 }