From 667000ea2a18d79d3031faa1e6d29e366d08f7ed Mon Sep 17 00:00:00 2001
From: MikeTheWatchGuy <mike_barnett@hotmail.com>
Date: Tue, 4 Sep 2018 23:13:15 -0400
Subject: [PATCH] NEW form.SaveToDisk and form.LoadFromDisk!

Another user submitted feature request
---
 Demo_Fill_Form.py | 27 ++++++---------------------
 PySimpleGUI.py    | 20 ++++++++++++++++++++
 2 files changed, 26 insertions(+), 21 deletions(-)

diff --git a/Demo_Fill_Form.py b/Demo_Fill_Form.py
index c638de53..d6194883 100644
--- a/Demo_Fill_Form.py
+++ b/Demo_Fill_Form.py
@@ -1,24 +1,5 @@
-# from tkinter.filedialog import asksaveasfilename, askopenfilename
-import pickle
 import PySimpleGUI as sg
 
-
-def save(values):
-    sfilename = sg.PopupGetFile('Save Settings', save_as=True, no_window=True)
-    if not sfilename:
-        return
-    with open(sfilename, 'wb') as sf:
-        pickle.dump(values, sf)
-
-
-def load(form):
-    dfilename = sg.PopupGetFile('Load Settings', no_window=True)
-    if not dfilename:
-        return
-    with open(dfilename, 'rb') as df:
-        form.Fill(pickle.load(df))
-
-
 def Everything():
     sg.ChangeLookAndFeel('TanBlue')
 
@@ -62,9 +43,13 @@ def Everything():
         button, values = form.Read()
 
         if button is 'SaveSettings':
-            save(values)
+            filename = sg.PopupGetFile('Save Settings', save_as=True, no_window=True)
+            form.SaveToDisk(filename)
+            # save(values)
         elif button is 'LoadSettings':
-            load(form)
+            filename = sg.PopupGetFile('Load Settings', no_window=True)
+            form.LoadFromDisk(filename)
+            # load(form)
         elif button in ['Exit', None]:
             break
 
diff --git a/PySimpleGUI.py b/PySimpleGUI.py
index 74e4a6b6..e3947854 100644
--- a/PySimpleGUI.py
+++ b/PySimpleGUI.py
@@ -7,6 +7,7 @@ import tkinter.font
 import datetime
 import sys
 import textwrap
+import pickle
 
 
 # ----====----====----==== Constants the user CAN safely change ====----====----====----#
@@ -1361,10 +1362,29 @@ class FlexForm:
     def Fill(self, values_dict):
         FillFormWithValues(self, values_dict)
 
+
     def FindElement(self, key):
         return _FindElementFromKeyInSubForm(self, key)
 
 
+    def SaveToDisk(self, filename):
+        try:
+            results = BuildResults(self, False, self)
+            with open(filename, 'wb') as sf:
+                pickle.dump(results[1], sf)
+        except:
+            print('*** Error saving form to disk ***')
+
+
+    def LoadFromDisk(self, filename):
+        try:
+            with open(filename, 'rb') as df:
+                self.Fill(pickle.load(df))
+        except:
+            print('*** Error loading form to disk ***')
+
+
+
     def GetScreenDimensions(self):
         if self.TKrootDestroyed:
             return None, None