diagram/monitor/ObtainedFontAdapter.java

   1 package org.simantics.modeling.ui.diagram.monitor;
   2
   3 import java.util.ArrayList;
   4 import java.util.Collections;
   5
   6 import org.simantics.databoard.Bindings;
   7 import org.simantics.db.ReadGraph;
   8 import org.simantics.db.RelationContext;
   9 import org.simantics.db.Resource;
  10 import org.simantics.db.Statement;
  11 import org.simantics.db.common.adaption.SimpleContextualAdapter;
  12 import org.simantics.db.exception.DatabaseException;
  13 import org.simantics.db.layer0.property.OrderedResource;
  14 import org.simantics.diagram.stubs.DiagramResource;
  15 import org.simantics.operation.Layer0X;
  16 import org.simantics.ui.fonts.FontDescriptor;
  17
  18 public class ObtainedFontAdapter extends SimpleContextualAdapter<FontDescriptor, RelationContext> {
  19
  20         @Override
  21         public FontDescriptor adapt(ReadGraph graph, Resource source, RelationContext context) throws DatabaseException {
  22
  23             Layer0X L0X = Layer0X.getInstance(graph);
  24                 DiagramResource DIA = DiagramResource.getInstance(graph);
  25                 ArrayList<OrderedResource> order = new ArrayList<OrderedResource>();
  26                 for(Statement stm : graph.getStatements(context.getSubject(), L0X.ObtainsProperty)) {
  27                         Integer position = graph.getRelatedValue(stm.getPredicate(), L0X.NaturalNumberOrderRelation, Bindings.INTEGER);
  28                         order.add(new OrderedResource(position, stm.getObject()));
  29                 }
  30                 if (order.size() > 1)
  31                         Collections.sort(order);
  32                 for(OrderedResource or : order) {
  33                         FontDescriptor result = graph.getPossibleRelatedAdapter(or.r, DIA.HasFont, FontDescriptor.class);
  34                         if(result != null) return result;
  35                 }
  36
  37                 return null;
  38
  39         }
  40
  41 }