eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/media/operation/AddMediaToImageGalleryOperation.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.editor.view.media.operation;
  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.DescriptionBase;
  20 import eu.etaxonomy.cdm.model.media.Media;
  21 import eu.etaxonomy.taxeditor.operation.AbstractPostTaxonOperation;
  22 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  23 /**
  24  * This operation creates a new {@link Media} and adds it to the currently selected {@link DescriptionBase}.
  25  *
  26  * @author p.ciardelli
  27  * @author n.hoffmann
  28  * @created 05.02.2009
  29  */
  30 public class AddMediaToImageGalleryOperation extends AbstractPostTaxonOperation {
  31
  32         private final DescriptionBase<?> description;
  33         private Media media;
  34
  35         /**
  36          * <p>Constructor for AddMediaToImageGalleryOperation.</p>
  37          *
  38          * @param undoContext a {@link org.eclipse.core.commands.operations.IUndoContext} object.
  39          * @param taxon a {@link eu.etaxonomy.cdm.model.taxon.Taxon} object.
  40          * @param postOperationEnabled a {@link eu.etaxonomy.taxeditor.operation.IPostOperationEnabled} object.
  41          * @param label a {@link java.lang.String} object.
  42          * @param description a {@link eu.etaxonomy.cdm.model.description.DescriptionBase} object.
  43          */
  44         public AddMediaToImageGalleryOperation(String label,
  45                         IUndoContext undoContext, DescriptionBase<?> description, IPostOperationEnabled postOperationEnabled) {
  46             this(null, label, undoContext, description, postOperationEnabled);
  47             media = Media.NewInstance();
  48         }
  49
  50         protected AddMediaToImageGalleryOperation(Media media, String label,
  51                 IUndoContext undoContext, DescriptionBase<?> description, IPostOperationEnabled postOperationEnabled) {
  52             super(label, undoContext, postOperationEnabled);
  53
  54             this.description = description;
  55             this.media = media;
  56         }
  57
  58         @Override
  59         public IStatus execute(IProgressMonitor monitor, IAdaptable info)
  60                         throws ExecutionException {
  61
  62                 monitor.worked(20);
  63
  64                 ImagesUtility.addMediaToGallery(description, media);
  65
  66                 monitor.worked(40);
  67
  68                 return postExecute(media);
  69         }
  70
  71         @Override
  72         public IStatus redo(IProgressMonitor monitor, IAdaptable info)
  73                         throws ExecutionException {
  74                 return execute(monitor, info);
  75         }
  76
  77         @Override
  78         public IStatus undo(IProgressMonitor monitor, IAdaptable info)
  79                         throws ExecutionException {
  80                 ImagesUtility.removeMediaFromGallery(description, media);
  81                 return postExecute(description);
  82         }
  83 }