taxeditor-store/src/main/java/eu/etaxonomy/taxeditor/operations/AddImageToDescriptionElementOperation.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 import org.eclipse.core.runtime.OperationCanceledException;
  18
  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.model.ImagesHelper;
  23 import eu.etaxonomy.taxeditor.store.StoreUtil;
  24
  25 /**
  26  * @author p.ciardelli
  27  * @created 05.02.2009
  28  * @version 1.0
  29  * @author n.hoffmann
  30  */
  31 public class AddImageToDescriptionElementOperation extends AbstractPostOperation {
  32
  33         private DescriptionElementBase element;
  34         private ImageFile image;
  35
  36         /**
  37          * @param name
  38          * @param undoContext
  39          * @param taxon
  40          * @param element
  41          * @param postOperationEnabled
  42          */
  43         public AddImageToDescriptionElementOperation(String label,
  44                         IUndoContext undoContext, Taxon taxon,
  45                         DescriptionElementBase element, IPostOperationEnabled postOperationEnabled) {
  46                 super(label, undoContext, taxon, postOperationEnabled);
  47
  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,"Adding Image to Description Element", 2);
  60
  61         // Do one step
  62         newMonitor.worked(1);
  63
  64         try {
  65                 // Operation steps
  66                         image = ImagesHelper.addImagePart(element);
  67                         StoreUtil.isCanceled(newMonitor, 1);
  68         }
  69         finally {
  70
  71                 // Stop the progress monitor.
  72             newMonitor.done();
  73         }
  74
  75                 return postExecute(image);
  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                 ImagesHelper.removeImage(element, image);
  94                 return postExecute(element);
  95         }
  96 }