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

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