bundles/org.simantics.diagram/src/org/simantics/diagram/flag/IOTablesInfo.java

   1 package org.simantics.diagram.flag;
   2
   3 import java.util.ArrayList;
   4
   5 import org.simantics.databoard.Bindings;
   6 import org.simantics.db.Resource;
   7 import org.simantics.db.WriteGraph;
   8 import org.simantics.db.exception.DatabaseException;
   9 import org.simantics.diagram.stubs.DiagramResource;
  10 import org.simantics.scl.runtime.tuple.Tuple2;
  11
  12 public class IOTablesInfo {
  13     public static final IOTablesInfo EMPTY = new IOTablesInfo();
  14
  15     ArrayList<IOTableInfo> tables = new ArrayList<IOTableInfo>();
  16
  17     public Tuple2 getBindingRef(double x, double y) {
  18         for(IOTableInfo table : tables) {
  19             if(x < table.x || x > table.x + table.width)
  20                 continue;
  21             return new Tuple2(table.name, (int)((y-table.y)/table.rowHeight));
  22         }
  23         return null;
  24     }
  25
  26     public boolean updateBinding(WriteGraph graph, DiagramResource DIA, Resource flagResource, double flagX, double flagY) throws DatabaseException {
  27         Tuple2 bindingRef = getBindingRef(flagX, flagY);
  28
  29         if(bindingRef != null) {
  30             graph.claimLiteral(flagResource, DIA.Flag_HasIOTableBinding, (String)bindingRef.c0, Bindings.STRING);
  31             graph.claimLiteral(flagResource, DIA.Flag_HasIOTableRowIndex, (Integer)bindingRef.c1, Bindings.INTEGER);
  32             return true;
  33         }
  34         else {
  35             String currentBinding = graph.getPossibleRelatedValue(flagResource,  DIA.Flag_HasIOTableBinding);
  36             if(currentBinding != null && !currentBinding.isEmpty()) {
  37                 graph.claimLiteral(flagResource, DIA.Flag_HasIOTableBinding, "", Bindings.STRING);
  38                 double[] transform = graph.getRelatedValue(flagResource, DIA.HasTransform, Bindings.DOUBLE_ARRAY);
  39                 transform[4] = flagX;
  40                 transform[5] = flagY;
  41                 graph.claimLiteral(flagResource, DIA.HasTransform, transform);
  42                 return true;
  43             }
  44             return false;
  45         }
  46     }
  47 }