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.Messages;
  29 import eu.etaxonomy.taxeditor.editor.view.derivate.DerivateView;
  30 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  31 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  32 import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
  33 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  34 import eu.etaxonomy.taxeditor.store.CdmStore;
  35 import eu.etaxonomy.taxeditor.ui.dialog.deleteConfigurator.DeleteConfiguratorDialog;
  36
  37 /**
  38  *
  39  * @author pplitzner
  40  * @date Oct 21, 2014
  41  *
  42  */
  43 public class DeleteDerivateOperation extends AbstractPostOperation<CdmBase> {
  44
  45     private final SpecimenDeleteConfigurator deleteConfigurator;
  46     private final TreeNode treeNode;
  47
  48     public DeleteDerivateOperation(String label, IUndoContext undoContext, CdmBase element, TreeNode treeNode,
  49             IPostOperationEnabled postOperationEnabled) {
  50         this(label, undoContext, element, treeNode, postOperationEnabled, new SpecimenDeleteConfigurator());
  51     }
  52
  53     public DeleteDerivateOperation(String label, IUndoContext undoContext, CdmBase element, TreeNode treeNode,
  54             IPostOperationEnabled postOperationEnabled, SpecimenDeleteConfigurator config) {
  55         super(label, undoContext, element, postOperationEnabled);
  56         this.deleteConfigurator = config;
  57         this.treeNode = treeNode;
  58     }
  59
  60
  61     /** {@inheritDoc} */
  62     @Override
  63     public IStatus execute(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
  64         if(getPostOperationEnabled() instanceof ISaveablePart){
  65             String confirmationQuestion = Messages.DeleteDerivateOperation_REALLY_DELETE;
  66             if(deleteConfigurator.isDeleteChildren()){
  67                 confirmationQuestion += Messages.DeleteDerivateOperation_AND_CHILDREN;
  68             }
  69             confirmationQuestion += "?"; //$NON-NLS-1$
  70             if(!DeleteConfiguratorDialog.openConfirmWithConfigurator(deleteConfigurator, null, Messages.DeleteDerivateOperation_CONFIRM, confirmationQuestion)){
  71                 return Status.CANCEL_STATUS;
  72             }
  73             if(((ISaveablePart) getPostOperationEnabled()).isDirty()){
  74                 MessagingUtils.warningDialog(DerivateView.VIEW_HAS_UNSAVED_CHANGES, this, DerivateView.YOU_NEED_TO_SAVE_BEFORE_PERFORMING_THIS_ACTION);
  75                 return Status.CANCEL_STATUS;
  76             }
  77         }
  78         DeleteResult deleteResult;
  79         if(element instanceof SingleRead && treeNode!=null
  80                 && treeNode.getValue().equals(element)
  81                 && treeNode.getParent()!=null
  82                 && treeNode.getParent().getValue() instanceof Sequence){
  83             deleteResult = CdmStore.getService(IOccurrenceService.class).deleteSingleRead(((SingleRead)element).getUuid(),
  84                     ((Sequence) treeNode.getParent().getValue()).getUuid());
  85         } else if(element instanceof Sequence){
  86             deleteResult = CdmStore.getService(ISequenceService.class).delete(element.getUuid(), deleteConfigurator);
  87         } else {
  88             deleteResult = CdmStore.getService(IOccurrenceService.class).deleteDerivateHierarchy(element.getUuid(), deleteConfigurator);
  89         }
  90         if(deleteResult.isOk()){
  91             if(getPostOperationEnabled() instanceof DerivateView){
  92                 DerivateView derivateView = (DerivateView) getPostOperationEnabled();
  93                 //update DerivateView
  94                 derivateView.getConversationHolder().commit();
  95                 IStatus returnStatus = postExecute(null);
  96                 //close if no more items left
  97                 if(derivateView.getViewer().getTree().getItemCount()<1){
  98                     AbstractUtility.close(derivateView);
  99                 }
 100                 return returnStatus;
 101             }
 102         }
 103         else{
 104             MessagingUtils.warningDialog(Messages.DeleteDerivateOperation_DELETE_FAILED, this, deleteResult.toString());
 105             return Status.CANCEL_STATUS;
 106         }
 107         return Status.OK_STATUS;
 108     }
 109
 110     /** {@inheritDoc} */
 111     @Override
 112     public IStatus redo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
 113         //no redo possible
 114         return Status.CANCEL_STATUS ;
 115     }
 116
 117     /** {@inheritDoc} */
 118     @Override
 119     public IStatus undo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
 120         //no undo possible
 121         return Status.CANCEL_STATUS;
 122     }
 123 }