eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/descriptive/operation/DeleteDescriptionElementOperation.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.descriptive.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.DescriptionElementBase;
  20 import eu.etaxonomy.taxeditor.editor.l10n.Messages;
  21 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  22 import eu.etaxonomy.taxeditor.operation.AbstractPostTaxonOperation;
  23 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  24 import eu.etaxonomy.taxeditor.session.ICdmEntitySessionEnabled;
  25
  26 /**
  27  * <p>DeleteDescriptionElementOperation class.</p>
  28  *
  29  * @author p.ciardelli
  30  * @created 05.02.2009
  31  * @version 1.0
  32  */
  33 public class DeleteDescriptionElementOperation extends AbstractPostTaxonOperation {
  34
  35         private final DescriptionElementBase element;
  36         private DescriptionBase description = null;
  37
  38         /**
  39          * <p>Constructor for DeleteDescriptionElementOperation.</p>
  40          *
  41          * @param label a {@link java.lang.String} object.
  42          * @param undoContext a {@link org.eclipse.core.commands.operations.IUndoContext} object.
  43          * @param element a {@link eu.etaxonomy.cdm.model.description.DescriptionElementBase} object.
  44          * @param postOperationEnabled a {@link eu.etaxonomy.taxeditor.operation.IPostOperationEnabled} object.
  45          */
  46         public DeleteDescriptionElementOperation(String label, IUndoContext undoContext,
  47                         DescriptionElementBase element, IPostOperationEnabled postOperationEnabled,
  48                         ICdmEntitySessionEnabled cdmEntitySessionEnabled) {
  49                 super(label, undoContext, postOperationEnabled, cdmEntitySessionEnabled);
  50
  51                 this.element = element;
  52         }
  53
  54         /* (non-Javadoc)
  55          * @see org.eclipse.core.commands.operations.AbstractOperation#execute(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  56          */
  57         /** {@inheritDoc} */
  58         @Override
  59         public IStatus execute(IProgressMonitor monitor, IAdaptable info)
  60                         throws ExecutionException {
  61
  62                 description = element.getInDescription();
  63
  64                 monitor.worked(20);
  65
  66                 // Remove element from description
  67                 if (description == null) {
  68                         MessagingUtils.error(this.getClass(), Messages.DeleteDescriptionElementOperation_DESC_NOT_FOUND, null);
  69                 } else {
  70                         description.removeElement(element);
  71                 }
  72                 monitor.worked(40);
  73
  74         // Redraw editor if exists
  75                 return postExecute(description);
  76         }
  77
  78         /* (non-Javadoc)
  79          * @see org.eclipse.core.commands.operations.AbstractOperation#redo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  80          */
  81         /** {@inheritDoc} */
  82         @Override
  83         public IStatus redo(IProgressMonitor monitor, IAdaptable info)
  84                         throws ExecutionException {
  85                 return execute(monitor, info);
  86         }
  87
  88         /* (non-Javadoc)
  89          * @see org.eclipse.core.commands.operations.AbstractOperation#undo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  90          */
  91         /** {@inheritDoc} */
  92         @Override
  93         public IStatus undo(IProgressMonitor monitor, IAdaptable info)
  94                         throws ExecutionException {
  95
  96                 description.addElement(element);
  97
  98                 return postExecute(element);
  99         }
 100 }