eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/derivate/operation/DeleteDerivateOperation.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.derivate.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 import org.eclipse.core.runtime.Status;
  18 import org.eclipse.ui.ISaveablePart;
  19
  20 import eu.etaxonomy.cdm.api.service.DeleteResult;
  21 import eu.etaxonomy.cdm.api.service.IOccurrenceService;
  22 import eu.etaxonomy.cdm.api.service.config.SpecimenDeleteConfigurator;
  23 import eu.etaxonomy.cdm.model.common.CdmBase;
  24 import eu.etaxonomy.taxeditor.editor.view.derivate.DerivateView;
  25 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  26 import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
  27 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  28 import eu.etaxonomy.taxeditor.store.CdmStore;
  29
  30 /**
  31  *
  32  * @author pplitzner
  33  * @date Oct 21, 2014
  34  *
  35  */
  36 public class DeleteDerivateOperation extends AbstractPostOperation<CdmBase> {
  37
  38     private final SpecimenDeleteConfigurator deleteConfigurator;
  39
  40     public DeleteDerivateOperation(String label, IUndoContext undoContext, CdmBase element,
  41             IPostOperationEnabled postOperationEnabled) {
  42         this(label, undoContext, element, postOperationEnabled, new SpecimenDeleteConfigurator());
  43     }
  44
  45     public DeleteDerivateOperation(String label, IUndoContext undoContext, CdmBase element,
  46             IPostOperationEnabled postOperationEnabled, SpecimenDeleteConfigurator config) {
  47         super(label, undoContext, element, postOperationEnabled);
  48         this.deleteConfigurator = config;
  49     }
  50
  51
  52     /*
  53      * (non-Javadoc)
  54      *
  55      * @see
  56      * org.eclipse.core.commands.operations.AbstractOperation#execute(org.eclipse
  57      * .core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  58      */
  59     /** {@inheritDoc} */
  60     @Override
  61     public IStatus execute(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
  62         if(getPostOperationEnabled() instanceof ISaveablePart){
  63             if(!MessagingUtils.confirmDialog("Confirm deletion", "Do you really want to delete the selected element?")){
  64                 return Status.CANCEL_STATUS;
  65             }
  66             if(((ISaveablePart) getPostOperationEnabled()).isDirty()){
  67                 MessagingUtils.warningDialog("View has unsaved changes", this, "You need to save before performing this action");
  68                 return Status.CANCEL_STATUS;
  69             }
  70         }
  71         DeleteResult deleteResult = CdmStore.getService(IOccurrenceService.class).deleteDerivateHierarchy(element, deleteConfigurator);
  72         if(deleteResult.isOk()){
  73             if(getPostOperationEnabled() instanceof DerivateView){
  74                 DerivateView derivateView = (DerivateView) getPostOperationEnabled();
  75                 //update DerivateView
  76                 derivateView.getConversationHolder().commit();
  77                 return postExecute(null);
  78             }
  79         }
  80         else{
  81             String exceptionMessage = "";
  82             for(Exception exception:deleteResult.getExceptions()){
  83                 exceptionMessage += exception.getLocalizedMessage();
  84             }
  85             //TODO: add method to DeleteResult to sum up exceptions
  86             MessagingUtils.warningDialog("Deletion failed", this, exceptionMessage);
  87             return Status.CANCEL_STATUS;
  88         }
  89         return Status.OK_STATUS;
  90     }
  91
  92     /*
  93      * (non-Javadoc)
  94      *
  95      * @see
  96      * org.eclipse.core.commands.operations.AbstractOperation#redo(org.eclipse
  97      * .core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  98      */
  99     /** {@inheritDoc} */
 100     @Override
 101     public IStatus redo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
 102         //no redo possible
 103         return Status.CANCEL_STATUS ;
 104     }
 105
 106     /*
 107      * (non-Javadoc)
 108      *
 109      * @see
 110      * org.eclipse.core.commands.operations.AbstractOperation#undo(org.eclipse
 111      * .core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
 112      */
 113     /** {@inheritDoc} */
 114     @Override
 115     public IStatus undo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
 116         //no undo possible
 117         return Status.CANCEL_STATUS;
 118     }
 119 }