eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/featuretree/e4/handler/RemoveTermTreeHandler.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 javax.inject.Named;
  12
  13 import org.eclipse.e4.core.di.annotations.CanExecute;
  14 import org.eclipse.e4.core.di.annotations.Execute;
  15 import org.eclipse.e4.core.di.annotations.Optional;
  16 import org.eclipse.e4.ui.di.UISynchronize;
  17 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
  18 import org.eclipse.e4.ui.model.application.ui.menu.MHandledMenuItem;
  19 import org.eclipse.e4.ui.services.IServiceConstants;
  20 import org.eclipse.jface.viewers.IStructuredSelection;
  21
  22 import eu.etaxonomy.cdm.persistence.dto.TermTreeDto;
  23 import eu.etaxonomy.taxeditor.featuretree.e4.ITermTreeEditor;
  24 import eu.etaxonomy.taxeditor.featuretree.e4.TermTreeEditor;
  25 import eu.etaxonomy.taxeditor.featuretree.e4.operation.RemoveFeatureTreeOperation;
  26 import eu.etaxonomy.taxeditor.store.StoreUtil;
  27
  28 /**
  29  * @author pplitzner
  30  * @since Jul 12, 2017
  31  *
  32  */
  33 public class RemoveTermTreeHandler {
  34
  35     @Execute
  36     public void execute(@Named(IServiceConstants.ACTIVE_PART)MPart thisPart,
  37             @Named(IServiceConstants.ACTIVE_SELECTION)IStructuredSelection selection, UISynchronize sync){
  38         ITermTreeEditor editor = (ITermTreeEditor) thisPart.getObject();
  39
  40         if (StoreUtil.promptCheckIsDirty(editor)) {
  41             return;
  42         }
  43         if(!StoreUtil.confirmDelete()){
  44             return;
  45         }
  46
  47         for (Object selectedObject : selection.toArray()) {
  48                 TermTreeDto featureTree = (TermTreeDto) selectedObject;
  49                 ((TermTreeEditor)editor).removeTree(featureTree);
  50                 ((TermTreeEditor)editor).getViewer().setInput(((TermTreeEditor)editor).getTrees());
  51             RemoveFeatureTreeOperation operation = new RemoveFeatureTreeOperation(featureTree.getUuid(), editor, editor);
  52 //            AbstractUtility.executeOperation(operation, sync);
  53             editor.addOperation(operation);
  54             editor.setDirty();
  55             editor.refresh();
  56         }
  57     }
  58
  59     @CanExecute
  60     public boolean canExecute(
  61             @Optional@Named(IServiceConstants.ACTIVE_SELECTION)IStructuredSelection selection,
  62             @Named(IServiceConstants.ACTIVE_PART)MPart thisPart,
  63             MHandledMenuItem menuItem) {
  64         boolean canExecute = selection!=null && !selection.isEmpty();
  65         if(canExecute){
  66             for(Object object:selection.toArray()){
  67                 canExecute &= object instanceof TermTreeDto;
  68             }
  69         }
  70         canExecute &= thisPart.getObject() instanceof ITermTreeEditor;
  71         menuItem.setVisible(canExecute);
  72         return canExecute;
  73     }
  74
  75 }