eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/descriptiveDataSet/matrix/handler/CreateDefaultTaxonDescriptionHandler.java

   1 /**
   2 * Copyright (C) 2018 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 package eu.etaxonomy.taxeditor.editor.descriptiveDataSet.matrix.handler;
  10
  11 import javax.inject.Named;
  12
  13 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
  14 import org.eclipse.e4.ui.model.application.ui.menu.MHandledMenuItem;
  15 import org.eclipse.e4.ui.services.IServiceConstants;
  16 import org.eclipse.jface.viewers.IStructuredSelection;
  17
  18 import eu.etaxonomy.cdm.api.service.IDescriptiveDataSetService;
  19 import eu.etaxonomy.cdm.model.description.DescriptionType;
  20 import eu.etaxonomy.cdm.model.description.DescriptiveDataSet;
  21 import eu.etaxonomy.cdm.model.description.TaxonDescription;
  22 import eu.etaxonomy.cdm.persistence.dto.TaxonNodeDto;
  23 import eu.etaxonomy.taxeditor.editor.descriptiveDataSet.matrix.CharacterMatrixPart;
  24 import eu.etaxonomy.taxeditor.store.CdmStore;
  25
  26 /**
  27  * @author pplitzner
  28  * @since Sep 7, 2018
  29  *
  30  */
  31 public class CreateDefaultTaxonDescriptionHandler extends CreateTaxonDescriptionHandler{
  32
  33     @Override
  34     protected DescriptionType getDescriptionType() {
  35         return DescriptionType.DEFAULT_VALUES_FOR_AGGREGATION;
  36     }
  37
  38     @Override
  39     public boolean canExecute(@Named(IServiceConstants.ACTIVE_PART)MPart activePart,
  40             MHandledMenuItem menuItem){
  41         boolean canExecute = super.canExecute(activePart, menuItem);
  42         if(canExecute){
  43             CharacterMatrixPart matrixPart = (CharacterMatrixPart) activePart.getObject();
  44             DescriptiveDataSet descriptiveDataSet = matrixPart.getDescriptiveDataSet();
  45             IStructuredSelection selection = ((CharacterMatrixPart)activePart.getObject()).getSelection();
  46             TaxonNodeDto taxonNodeDto = (TaxonNodeDto) selection.getFirstElement();
  47
  48             TaxonDescription defaultTaxonDescription = CdmStore.getService(IDescriptiveDataSetService.class)
  49                     .findTaxonDescriptionByDescriptionType(descriptiveDataSet.getUuid(), taxonNodeDto.getUuid(), getDescriptionType());
  50             canExecute = defaultTaxonDescription==null;
  51             menuItem.setVisible(canExecute);
  52         }
  53
  54         return canExecute;
  55     }
  56 }