eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/derivate/handler/DeleteDerivateHandler.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.handler;
  11
  12 import javax.inject.Named;
  13
  14 import org.eclipse.core.commands.ParameterizedCommand;
  15 import org.eclipse.core.runtime.IStatus;
  16 import org.eclipse.core.runtime.Status;
  17 import org.eclipse.e4.core.di.annotations.CanExecute;
  18 import org.eclipse.e4.core.di.annotations.Execute;
  19 import org.eclipse.e4.core.di.annotations.Optional;
  20 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
  21 import org.eclipse.e4.ui.model.application.ui.menu.MHandledMenuItem;
  22 import org.eclipse.e4.ui.services.IServiceConstants;
  23 import org.eclipse.jface.viewers.TreeNode;
  24
  25 import eu.etaxonomy.cdm.api.service.DeleteResult;
  26 import eu.etaxonomy.cdm.api.service.IOccurrenceService;
  27 import eu.etaxonomy.cdm.api.service.config.SpecimenDeleteConfigurator;
  28 import eu.etaxonomy.cdm.api.service.molecular.ISequenceService;
  29 import eu.etaxonomy.cdm.model.common.CdmBase;
  30 import eu.etaxonomy.cdm.model.molecular.Sequence;
  31 import eu.etaxonomy.cdm.model.molecular.SingleRead;
  32 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
  33 import eu.etaxonomy.taxeditor.editor.AppModelId;
  34 import eu.etaxonomy.taxeditor.editor.internal.TaxeditorEditorPlugin;
  35 import eu.etaxonomy.taxeditor.editor.l10n.Messages;
  36 import eu.etaxonomy.taxeditor.editor.view.derivate.DerivateView;
  37 import eu.etaxonomy.taxeditor.model.DeleteResultMessagingUtils;
  38 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  39 import eu.etaxonomy.taxeditor.store.CdmStore;
  40 import eu.etaxonomy.taxeditor.ui.dialog.configurator.deleteConfigurator.DeleteConfiguratorDialog;
  41
  42 /**
  43  *
  44  * @author pplitzner
  45  * @date Oct 21, 2014
  46  *
  47  */
  48 public class DeleteDerivateHandler {
  49
  50
  51     private SpecimenDeleteConfigurator deleteConfigurator;
  52
  53     @Execute
  54     public Object execute(@Named(IServiceConstants.ACTIVE_PART) MPart part, @Named(IServiceConstants.ACTIVE_SELECTION) TreeNode treeNode, ParameterizedCommand command) {
  55         deleteConfigurator = new SpecimenDeleteConfigurator();
  56         if(command.getId().equals(AppModelId.COMMAND_EU_ETAXONOMY_TAXEDITOR_EDITOR_DERIVATE_DEEPDELETE)){
  57             deleteConfigurator.setDeleteChildren(true);
  58         }
  59
  60         DerivateView derivateView = (DerivateView) part.getObject();
  61         Object value = treeNode.getValue();
  62         IStatus allowStatus = allowOperations(derivateView, treeNode);
  63         if(allowStatus.isOK()) {
  64             DeleteResult deleteResult;
  65             if(value instanceof SingleRead
  66                     && treeNode.getParent()!=null
  67                     && treeNode.getParent().getValue() instanceof Sequence){
  68                 deleteResult = CdmStore.getService(ISequenceService.class).deleteSingleRead(((SingleRead)value).getUuid(),
  69                         ((Sequence) treeNode.getParent().getValue()).getUuid());
  70             } else if(value instanceof Sequence){
  71                 deleteResult = CdmStore.getService(ISequenceService.class).delete(((Sequence) value).getUuid());
  72             } else {
  73                 deleteResult = CdmStore.getService(IOccurrenceService.class).delete(((CdmBase) value).getUuid(), deleteConfigurator);
  74             }
  75
  76             if (!deleteResult.isOk()) {
  77                 MessagingUtils.warningDialog(Messages.DeleteDerivateOperation_DELETE_FAILED, this, deleteResult.toString());
  78
  79                 return Status.CANCEL_STATUS;
  80             }
  81             if(derivateView.postOperation(null)){
  82                 derivateView.remove(treeNode);
  83
  84             }
  85             return Status.OK_STATUS;
  86         }
  87         return null;
  88     }
  89
  90     public IStatus allowOperations(DerivateView derivateView, TreeNode treeNode) {
  91         String confirmationQuestion = Messages.DeleteDerivateOperation_REALLY_DELETE;
  92         if(deleteConfigurator.isDeleteChildren()){
  93             confirmationQuestion += Messages.DeleteDerivateOperation_AND_CHILDREN;
  94         }
  95
  96         if(derivateView.isDirty()){
  97             MessagingUtils.warningDialog(DerivateView.VIEW_HAS_UNSAVED_CHANGES, this, DerivateView.YOU_NEED_TO_SAVE_BEFORE_PERFORMING_THIS_ACTION);
  98             return Status.CANCEL_STATUS;
  99         }
 100         confirmationQuestion += "?"; //$NON-NLS-1$
 101         if(!DeleteConfiguratorDialog.openConfirmWithConfigurator(deleteConfigurator, null, Messages.DeleteDerivateOperation_CONFIRM, confirmationQuestion)){
 102             return Status.CANCEL_STATUS;
 103         }
 104         DeleteResult deleteResult;
 105         Object value = treeNode.getValue();
 106         if(value instanceof SpecimenOrObservationBase<?> || value instanceof Sequence || value instanceof SingleRead){
 107             if (value instanceof Sequence || value instanceof SingleRead){
 108                 deleteResult = CdmStore.getService(ISequenceService.class).isDeletable(((CdmBase)value).getUuid(), deleteConfigurator);
 109             } else{
 110                 deleteResult = CdmStore.getService(IOccurrenceService.class).isDeletable(((CdmBase)value).getUuid(), deleteConfigurator);
 111             }
 112             if (deleteResult.isOk() || deleteResult.getExceptions().isEmpty()){ return Status.OK_STATUS;}
 113             else{
 114                 if (!deleteResult.isOk()){
 115                     DeleteResultMessagingUtils.messageDialogWithDetails(deleteResult, Messages.DeleteDerivateOperation_DELETE_FAILED, TaxeditorEditorPlugin.PLUGIN_ID);
 116                 } else {
 117                     if (!deleteResult.getExceptions().isEmpty()){
 118                         DeleteResultMessagingUtils.messageDialogWithDetails(deleteResult, Messages.DeleteDerivateHandler_SUCCESSFULL_BUT_EXCEPTIONS, TaxeditorEditorPlugin.PLUGIN_ID);
 119                     }
 120                 }
 121
 122                 return Status.CANCEL_STATUS;
 123             }
 124         }
 125         return Status.CANCEL_STATUS;
 126     }
 127
 128     @CanExecute
 129     public boolean canExecute(@Optional @Named(IServiceConstants.ACTIVE_SELECTION) TreeNode node,
 130             MHandledMenuItem menuItem){
 131         boolean canExecute = node !=null;
 132         menuItem.setVisible(canExecute);
 133         return canExecute;
 134     }
 135
 136 }