bundles/org.simantics.modeling.template2d.ui/src/org/simantics/modeling/template2d/ui/adapters/IsInModelTest.java

   1 /*******************************************************************************
   2  * Copyright (c) 2013 Association for Decentralized Information Management in
   3  * Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     Semantum Oy - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.modeling.template2d.ui.adapters;
  13
  14 import org.simantics.browsing.ui.model.tests.Test;
  15 import org.simantics.db.ReadGraph;
  16 import org.simantics.db.Resource;
  17 import org.simantics.db.exception.DatabaseException;
  18 import org.simantics.db.layer0.request.PossibleModel;
  19 import org.simantics.db.layer0.variable.Variable;
  20 import org.simantics.db.layer0.variable.Variables;
  21
  22 /**
  23  * @author Tuukka Lehtonen
  24  */
  25 public enum IsInModelTest implements Test {
  26
  27         INSTANCE;
  28
  29         public static IsInModelTest get() {
  30                 return INSTANCE;
  31         }
  32
  33         @Override
  34         public boolean isCompatible(Class<?> contentType) {
  35                 return Variable.class.equals(contentType) ||
  36                                 Resource.class.equals(contentType);
  37         }
  38
  39         @Override
  40         public boolean test(ReadGraph graph, Object content) throws DatabaseException {
  41                 if (content instanceof Variable) {
  42                         Variable v = (Variable) content;
  43                         //System.out.println("Test variable: " + v.getURI(graph));
  44                         Resource model = Variables.getPossibleModel(graph, v);
  45                         //System.out.println("variable model: " + NameUtils.getURIOrSafeNameInternal(graph, model));
  46                         return model != null;
  47                 } else if (content instanceof Resource) {
  48                         Resource r = (Resource) content;
  49                         //System.out.println("Test resource: " + NameUtils.getURIOrSafeNameInternal(graph, r));
  50                         Resource model = graph.syncRequest(new PossibleModel(r));
  51                         //System.out.println("resource model: " + NameUtils.getURIOrSafeNameInternal(graph, model));
  52                         return model != null;
  53                 }
  54                 return false;
  55         }
  56
  57 }