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.jface.viewers.TreeNode;
  19 import org.eclipse.ui.ISaveablePart;
  20
  21 import eu.etaxonomy.cdm.api.service.DeleteResult;
  22 import eu.etaxonomy.cdm.api.service.IOccurrenceService;
  23 import eu.etaxonomy.cdm.api.service.config.SpecimenDeleteConfigurator;
  24 import eu.etaxonomy.cdm.model.common.CdmBase;
  25 import eu.etaxonomy.cdm.model.molecular.Sequence;
  26 import eu.etaxonomy.cdm.model.molecular.SingleRead;
  27 import eu.etaxonomy.taxeditor.editor.view.derivate.DerivateView;
  28 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  29 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  30 import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
  31 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  32 import eu.etaxonomy.taxeditor.store.CdmStore;
  33 import eu.etaxonomy.taxeditor.ui.dialog.deleteConfigurator.DeleteConfiguratorDialog;
  34
  35 /**
  36  *
  37  * @author pplitzner
  38  * @date Oct 21, 2014
  39  *
  40  */
  41 public class DeleteDerivateOperation extends AbstractPostOperation<CdmBase> {
  42
  43     private final SpecimenDeleteConfigurator deleteConfigurator;
  44     private final TreeNode treeNode;
  45
  46     public DeleteDerivateOperation(String label, IUndoContext undoContext, CdmBase element, TreeNode treeNode,
  47             IPostOperationEnabled postOperationEnabled) {
  48         this(label, undoContext, element, treeNode, postOperationEnabled, new SpecimenDeleteConfigurator());
  49     }
  50
  51     public DeleteDerivateOperation(String label, IUndoContext undoContext, CdmBase element, TreeNode treeNode,
  52             IPostOperationEnabled postOperationEnabled, SpecimenDeleteConfigurator config) {
  53         super(label, undoContext, element, postOperationEnabled);
  54         this.deleteConfigurator = config;
  55         this.treeNode = treeNode;
  56     }
  57
  58
  59     /** {@inheritDoc} */
  60     @Override
  61     public IStatus execute(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
  62         if(getPostOperationEnabled() instanceof ISaveablePart){
  63             String confirmationQuestion = "Do you really want to delete the selected element";
  64             if(deleteConfigurator.isDeleteChildren()){
  65                 confirmationQuestion += " and its children";
  66             }
  67             confirmationQuestion += "?";
  68             if(!DeleteConfiguratorDialog.openConfirmWithConfigurator(deleteConfigurator, null, "Confirm Deletion", confirmationQuestion)){
  69                 return Status.CANCEL_STATUS;
  70             }
  71             if(((ISaveablePart) getPostOperationEnabled()).isDirty()){
  72                 MessagingUtils.warningDialog("View has unsaved changes", this, "You need to save before performing this action");
  73                 return Status.CANCEL_STATUS;
  74             }
  75         }
  76         DeleteResult deleteResult;
  77         if(element instanceof SingleRead && treeNode!=null
  78                 && treeNode.getValue().equals(element)
  79                 && treeNode.getParent()!=null
  80                 && treeNode.getParent().getValue() instanceof Sequence){
  81             deleteResult = CdmStore.getService(IOccurrenceService.class).deleteSingleRead(((SingleRead)element).getUuid(),
  82                     ((Sequence) treeNode.getParent().getValue()).getUuid());
  83         }
  84         else{
  85             deleteResult = CdmStore.getService(IOccurrenceService.class).deleteDerivateHierarchy(element.getUuid(), deleteConfigurator);
  86         }
  87         if(deleteResult.isOk()){
  88             if(getPostOperationEnabled() instanceof DerivateView){
  89                 DerivateView derivateView = (DerivateView) getPostOperationEnabled();
  90                 //update DerivateView
  91                 derivateView.getConversationHolder().commit();
  92                 IStatus returnStatus = postExecute(null);
  93                 //close if no more items left
  94                 if(derivateView.getViewer().getTree().getItemCount()<1){
  95                     AbstractUtility.close(derivateView);
  96                 }
  97                 return returnStatus;
  98             }
  99         }
 100         else{
 101             MessagingUtils.warningDialog("Deletion failed", this, deleteResult.toString());
 102             return Status.CANCEL_STATUS;
 103         }
 104         return Status.OK_STATUS;
 105     }
 106
 107     /** {@inheritDoc} */
 108     @Override
 109     public IStatus redo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
 110         //no redo possible
 111         return Status.CANCEL_STATUS ;
 112     }
 113
 114     /** {@inheritDoc} */
 115     @Override
 116     public IStatus undo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
 117         //no undo possible
 118         return Status.CANCEL_STATUS;
 119     }
 120 }