eu.etaxonomy.taxeditor.navigation/src/main/java/eu/etaxonomy/taxeditor/navigation/navigator/e4/handler/RefreshTreeHandlerE4.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.navigation.navigator.e4.handler;
  11
  12 import javax.inject.Named;
  13
  14 import org.eclipse.e4.core.di.annotations.CanExecute;
  15 import org.eclipse.e4.core.di.annotations.Execute;
  16 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
  17 import org.eclipse.e4.ui.model.application.ui.menu.MHandledMenuItem;
  18 import org.eclipse.e4.ui.services.IServiceConstants;
  19 import org.eclipse.jface.viewers.TreeSelection;
  20
  21 import eu.etaxonomy.cdm.model.taxon.ITaxonTreeNode;
  22 import eu.etaxonomy.taxeditor.navigation.navigator.e4.TaxonNavigatorE4;
  23
  24 /**
  25  *
  26  * @author pplitzner
  27  * @date 05.09.2017
  28  *
  29  */
  30 public class RefreshTreeHandlerE4 {
  31
  32     @Execute
  33     public void execute(@Named(IServiceConstants.ACTIVE_PART)MPart activePart) {
  34
  35         TaxonNavigatorE4 taxonNavigator = (TaxonNavigatorE4) activePart.getObject();
  36
  37         taxonNavigator.refresh();
  38         }
  39
  40     @CanExecute
  41     private boolean canExecute(@Named(IServiceConstants.ACTIVE_SELECTION)TreeSelection selection, MHandledMenuItem menuItem){
  42         boolean canExecute = false;
  43         canExecute = selection.getFirstElement() instanceof ITaxonTreeNode;
  44         menuItem.setVisible(canExecute);
  45         return canExecute;
  46     }
  47 }