+ init

main.py

@@ -0,0 +1,67 @@
+
+import PySimpleGUI as sg
+import os.path
+
+
+file_list_column = [
+    [  
+        sg.Text('Image Folder'),
+        sg.In(size=(25, 1), enable_events=True, key="-FOLDER-"),
+        sg.FolderBrowse(),
+    ],
+    [
+        sg.Listbox(
+            values=[], enable_events=True, size=(40, 20), key="-FILE LIST-"
+        )
+    ],
+]
+
+diagramm_viewer_column = [
+    [sg.Text("Choose your Code from the left: ")],
+    [sg.Text(size=(40, 1), key="-TOUT-")],
+    [sg.Image(key='-IMAGE-')],
+]
+
+
+
+layout = [
+    [
+        sg.Column(file_list_column),
+        sg.VSeparator(),
+        sg.Column(diagramm_viewer_column),
+    ]
+]
+
+window = sg.Window('Nassi Viewer', layout)
+
+while True:
+    event, values = window.read()
+
+    if event == 'Exit' or event == sg.WIN_CLOSED:
+        break
+
+    if event == '-FOLDER-':
+        folder = values['-FOLDER-']
+        try:
+            file_list = os.listdir(folder)
+        except:
+            file_list = []
+        fnames = [
+            f
+            for f in file_list
+            if os.path.isfile(os.path.join(folder, f))
+            and f.lower().endswith(('.png', '.gif'))
+        ]
+        window['-FILE LIST-'].update(fnames)
+    elif event == '-FILE LIST-':
+        try:
+            filename = os.path.join(
+                values["-FOLDER-"], values["-FILE LIST-"][0]
+            )
+            window["-TOUT-"].update(filename)
+            window["-IMAGE-"].update(filename=filename)
+
+        except:
+            pass
+
+window.close()