From 2d5116c935cf21e3c41844115431e7c2bde32855 Mon Sep 17 00:00:00 2001
From: gac-maloja <maloja@psi.ch>
Date: Sat, 7 Oct 2023 20:29:33 +0200
Subject: [PATCH] added clear method; return None for empty boxes

---
 listentry.py | 5 +++++
 mathentry.py | 7 +++++++
 2 files changed, 12 insertions(+)

diff --git a/listentry.py b/listentry.py
index 38b0f8e..783c005 100644
--- a/listentry.py
+++ b/listentry.py
@@ -37,4 +37,9 @@ class ListEntry(wx.BoxSizer):
         return [e.Enable() for e in self.entries]
 
 
+    def clear(self):
+        for e in self.entries:
+            e.clear()
+
+
 
diff --git a/mathentry.py b/mathentry.py
index f23c7d5..ad49f23 100644
--- a/mathentry.py
+++ b/mathentry.py
@@ -25,6 +25,9 @@ class MathEntry(wx.TextCtrl):
     def GetValue(self):
         val = super().GetValue()
 
+        if val == "": #TODO?
+            return None
+
         if val == "None": #TODO?
             return None
 
@@ -90,4 +93,8 @@ class MathEntry(wx.TextCtrl):
         self.SetForegroundColour(wx.NullColour)
 
 
+    def clear(self):
+        super().SetValue("")
+
+