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>, 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     /* (non-Javadoc)
  52      * @see org.eclipse.core.commands.operations.AbstractOperation#execute(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  53      */
  54     /** {@inheritDoc} */
  55     @Override
  56     public IStatus execute(IProgressMonitor monitor, IAdaptable info)
  57             throws ExecutionException {
  58
  59         initDescription();
  60         monitor.worked(20);
  61
  62         if(isImageGallery){
  63             description.setImageGallery(isImageGallery);
  64             // add the description element to hold the media elements for this image gallery
  65             TextData element = TextData.NewInstance(Feature.IMAGE());
  66             element.addMedia(Media.NewInstance());
  67             description.addElement(element);
  68         }
  69         monitor.worked(40);
  70
  71         return postExecute(description);
  72     }
  73
  74     /**
  75      * Creates the description and attaches it to the operated element.
  76      */
  77     protected abstract void initDescription();
  78
  79     /** {@inheritDoc} */
  80     @Override
  81     public IStatus redo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
  82
  83         element.addDescription(description);
  84
  85         return postExecute(description);
  86     }
  87
  88     /** {@inheritDoc} */
  89     @Override
  90     public IStatus undo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
  91
  92         element.removeDescription(description);
  93
  94         return postExecute(null);
  95     }
  96
  97 }