+ use utils

gui/utils.py

@@ -1,3 +1,5 @@
+import os
+
 from interpreter.NassiShneidermann import NassiShneidermanDiagram
 from draw.Iinstruction import *
 
@@ -7,6 +9,20 @@ def nassi(filepath:str, output_path: str):
     NSD.load_from_file(filepath)
     NSD.convert_to_image(output_path + "/Nassi-Shneider-Diagramm", 500)
 
+def output(values):
+    output_path = values['-OUTPUT FOLDER-']
+    try:
+        file_list = os.listdir(output_path)
+    except:
+        file_list = []
+    fnames = [
+        f
+        for f in file_list
+        if os.path.isfile(os.path.join(output_path, f))
+        and f.lower().endswith(('.png', '.gif'))
+    ]
+    return fnames
+
 if __name__ == "__main__":
     """Debugging"""
     nassi("res/input/input.java", "res/output")