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.core.di.annotations.Execute;
   7 import org.eclipse.e4.ui.di.UISynchronize;
   8 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
   9 import org.eclipse.e4.ui.model.application.ui.menu.MHandledMenuItem;
  10 import org.eclipse.e4.ui.services.IServiceConstants;
  11 import org.eclipse.jface.viewers.TreeSelection;
  12
  13 import eu.etaxonomy.cdm.model.taxon.Classification;
  14 import eu.etaxonomy.cdm.model.taxon.TaxonNode;
  15 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  16 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  17 import eu.etaxonomy.taxeditor.navigation.l10n.Messages;
  18 import eu.etaxonomy.taxeditor.navigation.navigator.e4.TaxonNavigatorE4;
  19 import eu.etaxonomy.taxeditor.navigation.operation.CreateNewTaxonHierarchyOperation;
  20 import eu.etaxonomy.taxeditor.preference.IPreferenceKeys;
  21 import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
  22 import eu.etaxonomy.taxeditor.store.StoreUtil;
  23
  24 /**
  25  *
  26  * @author pplitzner
  27  * @date 05.09.2017
  28  *
  29  */
  30 public class CreateClassificationHierarchyHandlerE4 {
  31
  32     @Execute
  33     public void execute(@Named(IServiceConstants.ACTIVE_SELECTION)TreeSelection selection,
  34             @Named(IServiceConstants.ACTIVE_PART)MPart activePart,
  35             UISynchronize sync) {
  36
  37         TaxonNavigatorE4 taxonNavigator = (TaxonNavigatorE4) activePart.getObject();
  38
  39         Object selectedElement = selection.getFirstElement();
  40         if (selectedElement instanceof TaxonNode && !((TaxonNode)selectedElement).hasTaxon()) {
  41             Classification classification = ((TaxonNode) selectedElement).getClassification();
  42             try {
  43                 CreateNewTaxonHierarchyOperation operation = new CreateNewTaxonHierarchyOperation(Messages.CreateClassificationHierarchyHandler_CREATE_HIERARCHY, StoreUtil.getUndoContext(),classification, taxonNavigator, taxonNavigator);
  44                 AbstractUtility.executeOperation(operation, sync);
  45                 taxonNavigator.refresh();
  46             } catch (Exception e) {
  47                 MessagingUtils.messageDialog(Messages.CreateClassificationHierarchyHandler_FAILED, CreateClassificationHierarchyHandlerE4.class,
  48                         Messages.CreateClassificationHierarchyHandler_FAILED_MESSAGE, e);
  49             }
  50         }
  51     }
  52
  53     @CanExecute
  54     private boolean canExecute(@Named(IServiceConstants.ACTIVE_SELECTION)TreeSelection selection, MHandledMenuItem menuItem){
  55         boolean canExecute = false;
  56         canExecute = selection.getFirstElement() instanceof TaxonNode
  57                 && ((TaxonNode) selection.getFirstElement()).getTaxon()==null
  58                 && PreferencesUtil.getPreferenceStore().getBoolean(IPreferenceKeys.SHOW_EXPERIMENTAL_FEATURES);
  59         menuItem.setVisible(canExecute);
  60         return canExecute;
  61     }
  62
  63 }