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.AbstractUtility;
  26 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  27 import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
  28 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  29 import eu.etaxonomy.taxeditor.store.CdmStore;
  30
  31 /**
  32  *
  33  * @author pplitzner
  34  * @date Oct 21, 2014
  35  *
  36  */
  37 public class DeleteDerivateOperation extends AbstractPostOperation<CdmBase> {
  38
  39     private final SpecimenDeleteConfigurator deleteConfigurator;
  40
  41     public DeleteDerivateOperation(String label, IUndoContext undoContext, CdmBase element,
  42             IPostOperationEnabled postOperationEnabled) {
  43         this(label, undoContext, element, postOperationEnabled, new SpecimenDeleteConfigurator());
  44     }
  45
  46     public DeleteDerivateOperation(String label, IUndoContext undoContext, CdmBase element,
  47             IPostOperationEnabled postOperationEnabled, SpecimenDeleteConfigurator config) {
  48         super(label, undoContext, element, postOperationEnabled);
  49         this.deleteConfigurator = config;
  50     }
  51
  52
  53     /*
  54      * (non-Javadoc)
  55      *
  56      * @see
  57      * org.eclipse.core.commands.operations.AbstractOperation#execute(org.eclipse
  58      * .core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  59      */
  60     /** {@inheritDoc} */
  61     @Override
  62     public IStatus execute(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
  63         if(getPostOperationEnabled() instanceof ISaveablePart){
  64             String confirmationQuestion = "Do you really want to delete the selected element";
  65             if(deleteConfigurator.isDeleteChildren()){
  66                 confirmationQuestion += " and its children";
  67             }
  68             confirmationQuestion += "?";
  69             if(!MessagingUtils.confirmDialog("Confirm deletion", confirmationQuestion)){
  70                 return Status.CANCEL_STATUS;
  71             }
  72             if(((ISaveablePart) getPostOperationEnabled()).isDirty()){
  73                 MessagingUtils.warningDialog("View has unsaved changes", this, "You need to save before performing this action");
  74                 return Status.CANCEL_STATUS;
  75             }
  76         }
  77         DeleteResult deleteResult = CdmStore.getService(IOccurrenceService.class).deleteDerivateHierarchy(element, deleteConfigurator);
  78         if(deleteResult.isOk()){
  79             if(getPostOperationEnabled() instanceof DerivateView){
  80                 DerivateView derivateView = (DerivateView) getPostOperationEnabled();
  81                 //update DerivateView
  82                 derivateView.getConversationHolder().commit();
  83                 IStatus returnStatus = postExecute(null);
  84                 //close if no more items left
  85                 if(derivateView.getViewer().getTree().getItemCount()<1){
  86                     AbstractUtility.close(derivateView);
  87                 }
  88                 return returnStatus;
  89             }
  90         }
  91         else{
  92             MessagingUtils.warningDialog("Deletion failed", this, deleteResult.toString());
  93             return Status.CANCEL_STATUS;
  94         }
  95         return Status.OK_STATUS;
  96     }
  97
  98     /*
  99      * (non-Javadoc)
 100      *
 101      * @see
 102      * org.eclipse.core.commands.operations.AbstractOperation#redo(org.eclipse
 103      * .core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
 104      */
 105     /** {@inheritDoc} */
 106     @Override
 107     public IStatus redo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
 108         //no redo possible
 109         return Status.CANCEL_STATUS ;
 110     }
 111
 112     /*
 113      * (non-Javadoc)
 114      *
 115      * @see
 116      * org.eclipse.core.commands.operations.AbstractOperation#undo(org.eclipse
 117      * .core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
 118      */
 119     /** {@inheritDoc} */
 120     @Override
 121     public IStatus undo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
 122         //no undo possible
 123         return Status.CANCEL_STATUS;
 124     }
 125 }