Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.spreadsheet.graph / src / org / simantics / spreadsheet / graph / formula / IsErrorFormulaFunction.java

diff --git a/bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/formula/IsErrorFormulaFunction.java b/bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/formula/IsErrorFormulaFunction.java
new file mode 100644 (file)
index 0000000..ecf8352
--- /dev/null
+++ b/bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/formula/IsErrorFormulaFunction.java
@@ -0,0 +1,21 @@
+package org.simantics.spreadsheet.graph.formula;\r
+\r
+import org.simantics.spreadsheet.graph.CellFormulaFunction;\r
+import org.simantics.spreadsheet.graph.CellValueVisitor;\r
+import org.simantics.spreadsheet.graph.parser.ast.AstArgList;\r
+\r
+public class IsErrorFormulaFunction implements CellFormulaFunction<Object>{\r
+\r
+       @Override\r
+    public Object evaluate(CellValueVisitor visitor, AstArgList args) {\r
+               \r
+        if (args.values.size() != 1) throw new IllegalStateException();\r
+        \r
+        Object condition = args.values.get(0).accept(visitor);\r
+        if(condition instanceof String){\r
+               FormulaError2 error = FormulaError2.forString((String)condition);\r
+               return (error!=null);\r
+        }\r
+        return false;\r
+    }\r
+}
\ No newline at end of file