eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/media/operation/DeleteMediaOperation.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 package eu.etaxonomy.taxeditor.editor.view.media.operation;
  10
  11 import java.util.ArrayList;
  12 import java.util.HashSet;
  13 import java.util.List;
  14 import java.util.Set;
  15 import java.util.UUID;
  16
  17 import org.eclipse.core.commands.ExecutionException;
  18 import org.eclipse.core.commands.operations.IUndoContext;
  19 import org.eclipse.core.runtime.IAdaptable;
  20 import org.eclipse.core.runtime.IProgressMonitor;
  21 import org.eclipse.core.runtime.IStatus;
  22
  23 import eu.etaxonomy.cdm.api.service.DeleteResult;
  24 import eu.etaxonomy.cdm.api.service.IMediaService;
  25 import eu.etaxonomy.cdm.api.service.config.MediaDeletionConfigurator;
  26 import eu.etaxonomy.cdm.api.utility.ImagesUtility;
  27 import eu.etaxonomy.cdm.model.description.DescriptionBase;
  28 import eu.etaxonomy.cdm.model.media.Media;
  29 import eu.etaxonomy.taxeditor.bulkeditor.internal.TaxeditorBulkeditorPlugin;
  30 import eu.etaxonomy.taxeditor.model.DeleteResultMessagingUtils;
  31 import eu.etaxonomy.taxeditor.operation.AbstractPostTaxonOperation;
  32 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  33 import eu.etaxonomy.taxeditor.store.CdmStore;
  34
  35 /**
  36  * <p>DeleteMediaOperation class.</p>
  37  *
  38  * @author p.ciardelli
  39  * @created 31.03.2009
  40  */
  41 public class DeleteMediaOperation extends AbstractPostTaxonOperation {
  42
  43         private final List<Media> media;
  44
  45         private final DescriptionBase<?> description;
  46
  47         private final MediaDeletionConfigurator config;
  48
  49         /**
  50          * <p>Constructor for DeleteMediaOperation.</p>
  51          *
  52          * @param undoContext a {@link org.eclipse.core.commands.operations.IUndoContext} object.
  53          * @param label a {@link java.lang.String} object.
  54          * @param description a {@link eu.etaxonomy.cdm.model.description.DescriptionBase} object.
  55          * @param media a {@link eu.etaxonomy.cdm.model.media.Media} object.
  56          * @param postOperationEnabled a {@link eu.etaxonomy.taxeditor.operation.IPostOperationEnabled} object.
  57          */
  58         public DeleteMediaOperation(String label, IUndoContext undoContext,
  59                 DescriptionBase<?> description, List<Media> media, MediaDeletionConfigurator config, IPostOperationEnabled postOperationEnabled) {
  60                 super(label, undoContext, postOperationEnabled);
  61                 this.config = config;
  62                 this.media = media;
  63                 this.description = description;
  64         }
  65
  66         public DeleteMediaOperation(String label, IUndoContext undoContext,
  67             DescriptionBase<?> description, Media media, MediaDeletionConfigurator config, IPostOperationEnabled postOperationEnabled) {
  68         super(label, undoContext, postOperationEnabled);
  69         this.config = config;
  70         this.media = new ArrayList<>();
  71         this.media.add(media);
  72         this.description = description;
  73     }
  74
  75
  76         @Override
  77         public IStatus execute(IProgressMonitor monitor, IAdaptable info)
  78                         throws ExecutionException {
  79
  80
  81             if (monitor != null) {
  82             monitor.worked(20);
  83         }
  84                 if (!config.isOnlyRemoveFromGallery() ){
  85                     Set<UUID> toDelete= new HashSet<>();
  86                     for (Media mediaElement: media){
  87                         if (mediaElement.getId() != 0){
  88                             toDelete.add(mediaElement.getUuid());
  89                         }
  90                     }
  91
  92                         DeleteResult result = CdmStore.getService(IMediaService.class).delete(toDelete, config);
  93                         String errorMessage = "The media ";
  94
  95                         if (!result.isOk()){
  96                                 List<String> messages = new ArrayList<String>();
  97
  98                                 for (Exception e:result.getExceptions()){
  99                                         messages.add(e.getMessage());
 100                                 }
 101                                 errorMessage += "could not be deleted from database. ";
 102                                 //MessagingUtils.errorDialog("test", getClass(), "message", TaxeditorBulkeditorPlugin.PLUGIN_ID, result.getExceptions().iterator().next(),true);
 103                                 DeleteResultMessagingUtils.messageDialogWithDetails(result,errorMessage, TaxeditorBulkeditorPlugin.PLUGIN_ID);
 104
 105                         }
 106                 }
 107                 if (monitor != null){
 108                     monitor.worked(40);
 109                 }
 110
 111                 return postExecute(null);
 112         }
 113
 114         @Override
 115         public IStatus redo(IProgressMonitor monitor, IAdaptable info)
 116                         throws ExecutionException {
 117                 return execute(monitor, info);
 118         }
 119
 120         @Override
 121         public IStatus undo(IProgressMonitor monitor, IAdaptable info)
 122                         throws ExecutionException {
 123             for (Media mediaElement: media){
 124                 ImagesUtility.addMediaToGallery(description, mediaElement);
 125             }
 126
 127                 return postExecute(null);
 128         }
 129 }