eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/uses/operation/DeleteUseRecordOperation.java

   1 package eu.etaxonomy.taxeditor.editor.view.uses.operation;
   2
   3
   4 import org.eclipse.core.commands.ExecutionException;
   5 import org.eclipse.core.commands.operations.IUndoContext;
   6 import org.eclipse.core.runtime.IAdaptable;
   7 import org.eclipse.core.runtime.IProgressMonitor;
   8 import org.eclipse.core.runtime.IStatus;
   9
  10 import eu.etaxonomy.cdm.model.description.DescriptionBase;
  11 import eu.etaxonomy.cdm.model.description.DescriptionElementBase;
  12 import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
  13 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  14 import eu.etaxonomy.taxeditor.store.StoreUtil;
  15
  16 /**
  17  * The context manager mediates context start/stop and workbench shutdowns to all registered listeners.
  18  *
  19  * @author a.theys
  20  * @created mar 13, 2012
  21  * @version 1.0
  22  */
  23 public class DeleteUseRecordOperation extends AbstractPostOperation {
  24         private DescriptionElementBase element;
  25         private DescriptionBase description = null;
  26
  27
  28         public DeleteUseRecordOperation(String label, IUndoContext undoContext,
  29                         DescriptionElementBase element, IPostOperationEnabled postOperationEnabled) {
  30                 super(label, undoContext, postOperationEnabled);
  31
  32                 this.element = element;
  33         }
  34
  35
  36         @Override
  37         public IStatus execute(IProgressMonitor monitor, IAdaptable info)
  38                         throws ExecutionException {
  39                 description = element.getInDescription();
  40
  41                 monitor.worked(20);
  42
  43                 // Remove element from description
  44                 if (description == null) {
  45                         StoreUtil.error(this.getClass(), "Couldn't find element's description!", null);
  46                 } else {
  47                         description.removeElement(element);
  48                 }
  49                 monitor.worked(40);
  50
  51         // Redraw editor if exists
  52                 return postExecute(null);
  53         }
  54
  55
  56         @Override
  57         public IStatus redo(IProgressMonitor monitor, IAdaptable info)
  58                         throws ExecutionException {
  59                 return execute(monitor, info);
  60         }
  61
  62
  63         @Override
  64         public IStatus undo(IProgressMonitor monitor, IAdaptable info)
  65                         throws ExecutionException {
  66
  67                 description.addElement(element);
  68
  69                 return postExecute(element);
  70         }
  71
  72 }