Migrated source code from Simantics SVN

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

diff --git a/bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/formula/TodayFormulaFunction.java b/bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/formula/TodayFormulaFunction.java
new file mode 100644 (file)
index 0000000..88ce547
--- /dev/null
+++ b/bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/formula/TodayFormulaFunction.java
@@ -0,0 +1,21 @@
+package org.simantics.spreadsheet.graph.formula;\r
+\r
+import java.time.LocalDate;\r
+import java.time.Month;\r
+import java.time.temporal.ChronoUnit;\r
+import java.time.temporal.Temporal;\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 TodayFormulaFunction implements CellFormulaFunction<Long> {\r
+\r
+    private Temporal baseline = LocalDate.of(1899, Month.DECEMBER, 30);\r
+\r
+    @Override\r
+    public Long evaluate(CellValueVisitor visitor, AstArgList args) {\r
+        return Long.valueOf(ChronoUnit.DAYS.between(baseline, LocalDate.now()));\r
+    }\r
+\r
+}\r