bundles/org.simantics.spreadsheet/src/org/simantics/spreadsheet/solver/formula/IfErrorFormulaFunction.java

   1 package org.simantics.spreadsheet.solver.formula;
   2
   3 import org.simantics.spreadsheet.solver.formula.parser.ast.AstArgList;
   4
   5 public class IfErrorFormulaFunction implements CellFormulaFunction<Object> {
   6
   7     @Override
   8     public Object evaluate(CellValueVisitor visitor, AstArgList args) {
   9
  10         if (args.values.size() != 2) throw new IllegalStateException();
  11
  12         Object condition = args.values.get(0).accept(visitor);
  13         FormulaError2 error = FormulaError2.forObject(condition);
  14         if(error!=null) return error.getString();
  15         else return condition;
  16     }
  17 }