eu.etaxonomy.taxeditor.navigation/src/main/java/eu/etaxonomy/taxeditor/navigation/navigator/e4/handler/CreateClassificationHierarchyHandlerE4.java

   1 package eu.etaxonomy.taxeditor.navigation.navigator.e4.handler;
   2
   3 import javax.inject.Named;
   4
   5 import org.eclipse.e4.core.di.annotations.CanExecute;
   6 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
   7 import org.eclipse.e4.ui.model.application.ui.menu.MHandledMenuItem;
   8 import org.eclipse.e4.ui.services.IServiceConstants;
   9 import org.eclipse.jface.viewers.TreeSelection;
  10
  11 import eu.etaxonomy.cdm.model.taxon.Classification;
  12 import eu.etaxonomy.cdm.model.taxon.TaxonNode;
  13 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  14 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  15 import eu.etaxonomy.taxeditor.navigation.l10n.Messages;
  16 import eu.etaxonomy.taxeditor.navigation.navigator.e4.TaxonNavigatorE4;
  17 import eu.etaxonomy.taxeditor.navigation.operation.CreateNewTaxonHierarchyOperation;
  18 import eu.etaxonomy.taxeditor.preference.IPreferenceKeys;
  19 import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
  20 import eu.etaxonomy.taxeditor.store.StoreUtil;
  21
  22 /**
  23  *
  24  * @author pplitzner
  25  * @date 05.09.2017
  26  *
  27  */
  28 public class CreateClassificationHierarchyHandlerE4 {
  29
  30     public void execute(@Named(IServiceConstants.ACTIVE_SELECTION)TreeSelection selection,
  31             @Named(IServiceConstants.ACTIVE_PART)MPart activePart) {
  32
  33         TaxonNavigatorE4 taxonNavigator = (TaxonNavigatorE4) activePart.getObject();
  34
  35         Object selectedElement = selection.getFirstElement();
  36         if (selectedElement instanceof TaxonNode && !((TaxonNode)selectedElement).hasTaxon()) {
  37             Classification classification = ((TaxonNode) selectedElement).getClassification();
  38             try {
  39                 CreateNewTaxonHierarchyOperation operation = new CreateNewTaxonHierarchyOperation(Messages.CreateClassificationHierarchyHandler_CREATE_HIERARCHY, StoreUtil.getUndoContext(),classification, taxonNavigator, taxonNavigator);
  40                 AbstractUtility.executeOperation(operation);
  41                 taxonNavigator.refresh();
  42             } catch (Exception e) {
  43                 MessagingUtils.messageDialog(Messages.CreateClassificationHierarchyHandler_FAILED, CreateClassificationHierarchyHandlerE4.class,
  44                         Messages.CreateClassificationHierarchyHandler_FAILED_MESSAGE, e);
  45             }
  46         }
  47     }
  48
  49     @CanExecute
  50     private boolean canExecute(@Named(IServiceConstants.ACTIVE_SELECTION)TreeSelection selection, MHandledMenuItem menuItem){
  51         boolean canExecute = false;
  52         menuItem.setVisible(canExecute);
  53         canExecute = selection.getFirstElement() instanceof Classification && PreferencesUtil.getPreferenceStore().getBoolean(IPreferenceKeys.SHOW_EXPERIMENTAL_FEATURES);
  54         return canExecute;
  55     }
  56
  57 }