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.api.service.molecular.ISequenceService;
  25 import eu.etaxonomy.cdm.model.common.CdmBase;
  26 import eu.etaxonomy.cdm.model.molecular.Sequence;
  27 import eu.etaxonomy.cdm.model.molecular.SingleRead;
  28 import eu.etaxonomy.taxeditor.editor.view.derivate.DerivateView;
  29 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  30 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  31 import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
  32 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  33 import eu.etaxonomy.taxeditor.store.CdmStore;
  34 import eu.etaxonomy.taxeditor.ui.dialog.deleteConfigurator.DeleteConfiguratorDialog;
  35
  36 /**
  37  *
  38  * @author pplitzner
  39  * @date Oct 21, 2014
  40  *
  41  */
  42 public class DeleteDerivateOperation extends AbstractPostOperation<CdmBase> {
  43
  44     private final SpecimenDeleteConfigurator deleteConfigurator;
  45     private final TreeNode treeNode;
  46
  47     public DeleteDerivateOperation(String label, IUndoContext undoContext, CdmBase element, TreeNode treeNode,
  48             IPostOperationEnabled postOperationEnabled) {
  49         this(label, undoContext, element, treeNode, postOperationEnabled, new SpecimenDeleteConfigurator());
  50     }
  51
  52     public DeleteDerivateOperation(String label, IUndoContext undoContext, CdmBase element, TreeNode treeNode,
  53             IPostOperationEnabled postOperationEnabled, SpecimenDeleteConfigurator config) {
  54         super(label, undoContext, element, postOperationEnabled);
  55         this.deleteConfigurator = config;
  56         this.treeNode = treeNode;
  57     }
  58
  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(!DeleteConfiguratorDialog.openConfirmWithConfigurator(deleteConfigurator, null, "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;
  78         if(element instanceof SingleRead && treeNode!=null
  79                 && treeNode.getValue().equals(element)
  80                 && treeNode.getParent()!=null
  81                 && treeNode.getParent().getValue() instanceof Sequence){
  82             deleteResult = CdmStore.getService(IOccurrenceService.class).deleteSingleRead(((SingleRead)element).getUuid(),
  83                     ((Sequence) treeNode.getParent().getValue()).getUuid());
  84         } else if(element instanceof Sequence){
  85             deleteResult = CdmStore.getService(ISequenceService.class).delete(element.getUuid(), deleteConfigurator);
  86         } else {
  87             deleteResult = CdmStore.getService(IOccurrenceService.class).deleteDerivateHierarchy(element.getUuid(), deleteConfigurator);
  88         }
  89         if(deleteResult.isOk()){
  90             if(getPostOperationEnabled() instanceof DerivateView){
  91                 DerivateView derivateView = (DerivateView) getPostOperationEnabled();
  92                 //update DerivateView
  93                 derivateView.getConversationHolder().commit();
  94                 IStatus returnStatus = postExecute(null);
  95                 //close if no more items left
  96                 if(derivateView.getViewer().getTree().getItemCount()<1){
  97                     AbstractUtility.close(derivateView);
  98                 }
  99                 return returnStatus;
 100             }
 101         }
 102         else{
 103             MessagingUtils.warningDialog("Deletion failed", this, deleteResult.toString());
 104             return Status.CANCEL_STATUS;
 105         }
 106         return Status.OK_STATUS;
 107     }
 108
 109     /** {@inheritDoc} */
 110     @Override
 111     public IStatus redo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
 112         //no redo possible
 113         return Status.CANCEL_STATUS ;
 114     }
 115
 116     /** {@inheritDoc} */
 117     @Override
 118     public IStatus undo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
 119         //no undo possible
 120         return Status.CANCEL_STATUS;
 121     }
 122 }