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

   1 // $Id$
   2 /**
   3 * Copyright (C) 2013 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10 package eu.etaxonomy.taxeditor.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.model.description.DescriptionBase;
  19 import eu.etaxonomy.cdm.model.description.Feature;
  20 import eu.etaxonomy.cdm.model.description.IDescribable;
  21 import eu.etaxonomy.cdm.model.description.TextData;
  22 import eu.etaxonomy.cdm.model.media.Media;
  23
  24 /**
  25  * @author pplitzner
  26  * @date 04.12.2013
  27  *
  28  */
  29 public abstract class AbstractDescriptionPostOperation<T extends IDescribable<D>, D extends DescriptionBase<?>> extends AbstractPostOperation<T> {
  30
  31     protected D description;
  32
  33     private final boolean isImageGallery;
  34
  35     /**
  36      *
  37      */
  38     public AbstractDescriptionPostOperation(String label, IUndoContext undoContext,
  39             T describable, IPostOperationEnabled postOperationEnabled) {
  40         this(label, undoContext, describable, postOperationEnabled, false);
  41     }
  42
  43     /**
  44      *
  45      */
  46     public AbstractDescriptionPostOperation(String label, IUndoContext undoContext,
  47             T describable, IPostOperationEnabled postOperationEnabled,  boolean isImageGallery) {
  48         super(label, undoContext, describable, postOperationEnabled);
  49         this.isImageGallery = isImageGallery;
  50     }
  51
  52     /* (non-Javadoc)
  53      * @see org.eclipse.core.commands.operations.AbstractOperation#execute(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  54      */
  55     /** {@inheritDoc} */
  56     @Override
  57     public IStatus execute(IProgressMonitor monitor, IAdaptable info)
  58             throws ExecutionException {
  59
  60         initDescription();
  61         monitor.worked(20);
  62
  63         if(isImageGallery){
  64             description.setImageGallery(isImageGallery);
  65             // add the description element to hold the media elements for this image gallery
  66             TextData element = TextData.NewInstance(Feature.IMAGE());
  67             element.addMedia(Media.NewInstance());
  68             description.addElement(element);
  69         }
  70         monitor.worked(40);
  71
  72         return postExecute(description);
  73     }
  74
  75     /**
  76      * Creates the description and attaches it to the operated element.
  77      */
  78     protected abstract void initDescription();
  79
  80     /** {@inheritDoc} */
  81     @Override
  82     public IStatus redo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
  83
  84         element.addDescription(description);
  85
  86         return postExecute(description);
  87     }
  88
  89     /** {@inheritDoc} */
  90     @Override
  91     public IStatus undo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
  92
  93         element.removeDescription(description);
  94
  95         return postExecute(null);
  96     }
  97
  98 }