bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/formula/IsErrorFormulaFunction.java

   1 package org.simantics.spreadsheet.graph.formula;\r
   2 \r
   3 import org.simantics.spreadsheet.graph.CellFormulaFunction;\r
   4 import org.simantics.spreadsheet.graph.CellValueVisitor;\r
   5 import org.simantics.spreadsheet.graph.parser.ast.AstArgList;\r
   6 \r
   7 public class IsErrorFormulaFunction implements CellFormulaFunction<Object>{\r
   8 \r
   9         @Override\r
  10     public Object evaluate(CellValueVisitor visitor, AstArgList args) {\r
  11                 \r
  12         if (args.values.size() != 1) throw new IllegalStateException();\r
  13         \r
  14         Object condition = args.values.get(0).accept(visitor);\r
  15         if(condition instanceof String){\r
  16                 FormulaError2 error = FormulaError2.forString((String)condition);\r
  17                 return (error!=null);\r
  18         }\r
  19         return false;\r
  20     }\r
  21 }