eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/operation/AbstractDescriptionPostOperation.java

   1 /**
   2 * Copyright (C) 2013 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.operation;
  10
  11 import org.eclipse.core.commands.ExecutionException;
  12 import org.eclipse.core.commands.operations.IUndoContext;
  13 import org.eclipse.core.runtime.IAdaptable;
  14 import org.eclipse.core.runtime.IProgressMonitor;
  15 import org.eclipse.core.runtime.IStatus;
  16
  17 import eu.etaxonomy.cdm.model.description.DescriptionBase;
  18 import eu.etaxonomy.cdm.model.description.Feature;
  19 import eu.etaxonomy.cdm.model.description.IDescribable;
  20 import eu.etaxonomy.cdm.model.description.TextData;
  21 import eu.etaxonomy.cdm.model.media.Media;
  22
  23 /**
  24  * @author pplitzner
  25  * @date 04.12.2013
  26  *
  27  */
  28 public abstract class AbstractDescriptionPostOperation<T extends IDescribable, D extends DescriptionBase> extends AbstractPostOperation<T> {
  29
  30     protected D description;
  31
  32     private final boolean isImageGallery;
  33
  34     /**
  35      *
  36      */
  37     public AbstractDescriptionPostOperation(String label, IUndoContext undoContext,
  38             T describable, IPostOperationEnabled postOperationEnabled) {
  39         this(label, undoContext, describable, postOperationEnabled, false);
  40     }
  41
  42     /**
  43      *
  44      */
  45     public AbstractDescriptionPostOperation(String label, IUndoContext undoContext,
  46             T describable, IPostOperationEnabled postOperationEnabled,  boolean isImageGallery) {
  47         super(label, undoContext, describable, postOperationEnabled);
  48         this.isImageGallery = isImageGallery;
  49     }
  50
  51     /** {@inheritDoc} */
  52     @Override
  53     public IStatus execute(IProgressMonitor monitor, IAdaptable info)
  54             throws ExecutionException {
  55
  56         initDescription();
  57         monitor.worked(20);
  58
  59         if(isImageGallery){
  60             description.setImageGallery(isImageGallery);
  61             // add the description element to hold the media elements for this image gallery
  62             TextData element = TextData.NewInstance(Feature.IMAGE());
  63             element.addMedia(Media.NewInstance());
  64             description.addElement(element);
  65         }
  66         monitor.worked(40);
  67
  68         return postExecute(description);
  69     }
  70
  71     /**
  72      * Creates the description and attaches it to the operated element.
  73      */
  74     protected abstract void initDescription();
  75
  76     /** {@inheritDoc} */
  77     @Override
  78     public IStatus redo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
  79
  80         element.addDescription(description);
  81
  82         return postExecute(description);
  83     }
  84
  85     /** {@inheritDoc} */
  86     @Override
  87     public IStatus undo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
  88
  89         element.removeDescription(description);
  90
  91         return postExecute(null);
  92     }
  93
  94 }