bundles/org.simantics.modeling/src/org/simantics/modeling/adapters/SCLImageRule.java

   1 package org.simantics.modeling.adapters;
   2
   3 import java.util.Collections;
   4 import java.util.HashMap;
   5 import java.util.List;
   6 import java.util.Map;
   7
   8 import org.eclipse.jface.resource.ImageDescriptor;
   9 import org.simantics.Simantics;
  10 import org.simantics.browsing.ui.model.images.ImageRule;
  11 import org.simantics.db.ReadGraph;
  12 import org.simantics.db.Resource;
  13 import org.simantics.db.exception.DatabaseException;
  14 import org.simantics.db.layer0.variable.Variable;
  15 import org.simantics.db.layer0.variable.Variables;
  16 import org.simantics.modeling.ModelingResources;
  17 import org.simantics.scl.runtime.function.Function1;
  18 import org.simantics.scl.runtime.tuple.Tuple;
  19
  20 public class SCLImageRule implements ImageRule {
  21
  22     private Resource rule;
  23
  24     public SCLImageRule(ReadGraph graph, Resource rule) {
  25         this.rule = rule;
  26     }
  27
  28     @Override
  29     public boolean isCompatible(Class<?> contentType) {
  30         return contentType.equals(Resource.class) || contentType.equals(Variable.class);
  31     }
  32
  33     @Override
  34     public Map<String, ImageDescriptor> getImage(ReadGraph graph, Object content) throws DatabaseException {
  35         ModelingResources MOD = ModelingResources.getInstance(graph);
  36
  37         Variable ruleVariable = Variables.getVariable(graph, rule);
  38
  39         Function1<Object,List<Tuple>> getImages = ruleVariable.getPossiblePropertyValue(graph, MOD.SCLImageRule_getImages);
  40         if(getImages == null) return Collections.emptyMap();
  41
  42         List<Tuple> value = Simantics.applySCLRead(graph, getImages, content);
  43         Map<String,ImageDescriptor> result = new HashMap<>();
  44         for(Tuple t : value) {
  45                 result.put((String)t.get(0), (ImageDescriptor)t.get(1));
  46         }
  47         return result;
  48
  49     }
  50
  51 }