eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/featuretree/e4/handler/AddFeatureHandler.java

   1 /**
   2 * Copyright (C) 2017 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.featuretree.e4.handler;
  10
  11 import java.util.Collection;
  12
  13 import javax.inject.Named;
  14
  15 import org.eclipse.core.runtime.IStatus;
  16 import org.eclipse.e4.core.di.annotations.CanExecute;
  17 import org.eclipse.e4.core.di.annotations.Execute;
  18 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
  19 import org.eclipse.e4.ui.model.application.ui.menu.MHandledMenuItem;
  20 import org.eclipse.e4.ui.services.IServiceConstants;
  21 import org.eclipse.jface.viewers.IStructuredSelection;
  22 import org.eclipse.jface.wizard.WizardDialog;
  23 import org.eclipse.swt.widgets.Shell;
  24
  25 import eu.etaxonomy.cdm.api.service.IFeatureNodeService;
  26 import eu.etaxonomy.cdm.model.description.Feature;
  27 import eu.etaxonomy.cdm.model.description.FeatureTree;
  28 import eu.etaxonomy.taxeditor.featuretree.AvailableFeaturesWizard;
  29 import eu.etaxonomy.taxeditor.featuretree.e4.FeatureTreeEditor;
  30 import eu.etaxonomy.taxeditor.store.CdmStore;
  31
  32 /**
  33  * @author pplitzner
  34  * @since Jul 12, 2017
  35  *
  36  */
  37 public class AddFeatureHandler {
  38
  39     @Execute
  40     public void execute(@Named(IServiceConstants.ACTIVE_SHELL) Shell shell,
  41             @Named(IServiceConstants.ACTIVE_SELECTION)IStructuredSelection selection,
  42             @Named(IServiceConstants.ACTIVE_PART)MPart thisPart) {
  43         FeatureTreeEditor editor = ((FeatureTreeEditor) thisPart.getObject());
  44         AvailableFeaturesWizard wizard = new AvailableFeaturesWizard();
  45         WizardDialog dialog = new WizardDialog(shell, wizard);
  46
  47         if (dialog.open() == IStatus.OK) {
  48             FeatureTree tree = (FeatureTree) selection.iterator().next();
  49             Collection<Feature> additionalFeatures = wizard.getAdditionalFeatures();
  50             for (Feature feature : additionalFeatures) {
  51                 CdmStore.getService(IFeatureNodeService.class).addChildFeatureNode(tree.getUuid(), feature.getUuid());
  52             }
  53             editor.getViewer().refresh();
  54             editor.getViewer().expandToLevel(selection, 1);
  55         }
  56     }
  57
  58     @CanExecute
  59     public boolean canExecute(
  60             @Named(IServiceConstants.ACTIVE_SELECTION)IStructuredSelection selection,
  61             @Named(IServiceConstants.ACTIVE_PART)MPart thisPart,
  62             MHandledMenuItem menuItem) {
  63         boolean canExecute = false;
  64         canExecute = selection.size()==1
  65                 && selection.iterator().next() instanceof FeatureTree
  66                 && thisPart.getObject() instanceof FeatureTreeEditor;
  67         menuItem.setVisible(canExecute);
  68         return canExecute;
  69     }
  70 }