eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/name/e4/handler/ChangeToInvalidDesignationHandlerE4.java

   1 /**
   2
   3 * Copyright (C) 2018 EDIT
   4
   5 * European Distributed Institute of Taxonomy
   6
   7 * http://www.e-taxonomy.eu
   8
   9 *
  10
  11 * The contents of this file are subject to the Mozilla Public License Version 1.1
  12
  13 * See LICENSE.TXT at the top of this package for the full license terms.
  14
  15 */
  16
  17 package eu.etaxonomy.taxeditor.editor.name.e4.handler;
  18
  19 import javax.inject.Named;
  20
  21 import org.eclipse.e4.core.di.annotations.CanExecute;
  22 import org.eclipse.e4.core.di.annotations.Execute;
  23 import org.eclipse.e4.ui.di.UISynchronize;
  24 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
  25 import org.eclipse.e4.ui.model.application.ui.menu.MHandledMenuItem;
  26 import org.eclipse.e4.ui.services.IServiceConstants;
  27 import org.eclipse.jface.viewers.IStructuredSelection;
  28 import org.eclipse.swt.widgets.Shell;
  29
  30 import eu.etaxonomy.cdm.model.taxon.Synonym;
  31 import eu.etaxonomy.cdm.model.taxon.Taxon;
  32 import eu.etaxonomy.cdm.model.taxon.TaxonRelationshipType;
  33 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  34 import eu.etaxonomy.taxeditor.editor.name.e4.TaxonNameEditorE4;
  35 import eu.etaxonomy.taxeditor.editor.name.handler.NameEditorMenuPropertyTester;
  36 import eu.etaxonomy.taxeditor.editor.name.operation.ChangeConceptRelationshipTypeOperation;
  37 import eu.etaxonomy.taxeditor.editor.name.operation.ChangeSynonymToConceptOperation;
  38 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  39 import eu.etaxonomy.taxeditor.operation.AbstractPostTaxonOperation;
  40
  41 /**
  42  * @author k.luther
  43  * @since 14.09.2018
  44  *
  45  */
  46
  47 public class ChangeToInvalidDesignationHandlerE4 {
  48     private TaxonNameEditorE4 editor;
  49
  50     @Execute
  51     public void execute(@Named(IServiceConstants.ACTIVE_PART)MPart activePart,
  52             @Named(IServiceConstants.ACTIVE_SELECTION)IStructuredSelection selection,
  53             @Named(IServiceConstants.ACTIVE_SHELL)Shell shell,
  54             MHandledMenuItem menuItem,
  55             UISynchronize sync) {
  56
  57         editor = (TaxonNameEditorE4) activePart.getObject();
  58         Object selectedElement = selection.getFirstElement();
  59         AbstractPostTaxonOperation operation = null;
  60
  61         if(selectedElement instanceof Taxon){
  62             operation = new ChangeConceptRelationshipTypeOperation(menuItem.getLocalizedLabel(),
  63                                     editor.getUndoContext(), editor.getTaxon(), (Taxon) selectedElement, TaxonRelationshipType.INVALID_DESIGNATION_FOR(), editor);
  64         }
  65
  66         if(selectedElement instanceof Synonym){
  67             operation = new ChangeSynonymToConceptOperation(menuItem.getLocalizedLabel(),
  68                     editor.getUndoContext(), editor.getTaxon(), (Synonym) selectedElement, TaxonRelationshipType.INVALID_DESIGNATION_FOR(), editor);
  69         }
  70
  71         if (!EditorUtil.forceUserSaveE4Editor(editor, shell)){
  72             return ;
  73         }
  74
  75         AbstractUtility.executeOperation(operation, sync);
  76
  77     }
  78
  79     @CanExecute
  80     public boolean canExecute(@Named(IServiceConstants.ACTIVE_SELECTION)IStructuredSelection selection,
  81             MHandledMenuItem menuItem){
  82
  83         boolean canExecute = false;
  84         if(selection.size()==1){
  85             Object selectedElement = selection.getFirstElement();
  86             canExecute = NameEditorMenuPropertyTester.isNotInvalidDesignation(selectedElement);
  87         }
  88         menuItem.setVisible(canExecute);
  89         return canExecute;
  90     }
  91
  92 }
  93