Adopt spreadsheet changes made in Balas development

[simantics/platform.git] / bundles / org.simantics.spreadsheet / src / org / simantics / spreadsheet / solver / formula / TodayFormulaFunction.java

diff --git a/bundles/org.simantics.spreadsheet/src/org/simantics/spreadsheet/solver/formula/TodayFormulaFunction.java b/bundles/org.simantics.spreadsheet/src/org/simantics/spreadsheet/solver/formula/TodayFormulaFunction.java
new file mode 100644 (file)
index 0000000..61d4da3
--- /dev/null
+++ b/bundles/org.simantics.spreadsheet/src/org/simantics/spreadsheet/solver/formula/TodayFormulaFunction.java
@@ -0,0 +1,19 @@
+package org.simantics.spreadsheet.solver.formula;
+
+import java.time.LocalDate;
+import java.time.Month;
+import java.time.temporal.ChronoUnit;
+import java.time.temporal.Temporal;
+
+import org.simantics.spreadsheet.solver.formula.parser.ast.AstArgList;
+
+public class TodayFormulaFunction implements CellFormulaFunction<Long> {
+
+    private Temporal baseline = LocalDate.of(1899, Month.DECEMBER, 30);
+
+    @Override
+    public Long evaluate(CellValueVisitor visitor, AstArgList args) {
+        return Long.valueOf(ChronoUnit.DAYS.between(baseline, LocalDate.now()));
+    }
+
+}