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.core.di.annotations.Optional;
  19 import org.eclipse.e4.ui.di.UISynchronize;
  20 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
  21 import org.eclipse.e4.ui.model.application.ui.menu.MHandledMenuItem;
  22 import org.eclipse.e4.ui.services.IServiceConstants;
  23 import org.eclipse.jface.viewers.IStructuredSelection;
  24 import org.eclipse.jface.wizard.WizardDialog;
  25 import org.eclipse.swt.widgets.Shell;
  26
  27 import eu.etaxonomy.cdm.model.description.Feature;
  28 import eu.etaxonomy.cdm.model.description.FeatureTree;
  29 import eu.etaxonomy.taxeditor.featuretree.AvailableFeaturesWizard;
  30 import eu.etaxonomy.taxeditor.featuretree.e4.IFeatureTreeEditor;
  31 import eu.etaxonomy.taxeditor.featuretree.e4.operation.AddFeatureOperation;
  32 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  33 import eu.etaxonomy.taxeditor.store.StoreUtil;
  34
  35 /**
  36  * @author pplitzner
  37  * @since Jul 12, 2017
  38  *
  39  */
  40 public class AddFeatureHandler {
  41
  42     @Execute
  43     public void execute(@Named(IServiceConstants.ACTIVE_SHELL) Shell shell,
  44             @Named(IServiceConstants.ACTIVE_SELECTION)IStructuredSelection selection,
  45             @Named(IServiceConstants.ACTIVE_PART)MPart thisPart, UISynchronize sync) {
  46         IFeatureTreeEditor editor = ((IFeatureTreeEditor) thisPart.getObject());
  47
  48         if (StoreUtil.promptCheckIsDirty(editor)) {
  49             return;
  50         }
  51
  52
  53         AvailableFeaturesWizard wizard = new AvailableFeaturesWizard();
  54         WizardDialog dialog = new WizardDialog(shell, wizard);
  55
  56         if (dialog.open() == IStatus.OK) {
  57             FeatureTree tree = (FeatureTree) selection.getFirstElement();
  58             Collection<Feature> additionalFeatures = wizard.getAdditionalFeatures();
  59             for (Feature feature : additionalFeatures) {
  60                 AddFeatureOperation operation = new AddFeatureOperation(feature, tree.getRoot(), editor, editor);
  61                 AbstractUtility.executeOperation(operation, sync);
  62             }
  63         }
  64     }
  65
  66     @CanExecute
  67     public boolean canExecute(
  68             @Optional@Named(IServiceConstants.ACTIVE_SELECTION)IStructuredSelection selection,
  69             @Named(IServiceConstants.ACTIVE_PART)MPart thisPart,
  70             MHandledMenuItem menuItem) {
  71         boolean canExecute = false;
  72         canExecute = thisPart.getObject() instanceof IFeatureTreeEditor
  73                 && selection!=null
  74                 && selection.size()==1
  75                 && selection.getFirstElement() instanceof FeatureTree;
  76         menuItem.setVisible(canExecute);
  77         return canExecute;
  78     }
  79 }