Implement project opening and drawing editor canvas

cli_ui.py

@@ -119,22 +119,7 @@ def cli_main():
 
         # open existing font project
         elif choice == 1:
-            file_path = filedialog.askopenfilename(
-                title="Open font project",
-                filetypes=[("Font project (json)", "*.fontproj")]
-            )
-
-            if file_path == "":
-                print("\nCanceled.\n")
-                continue
-
-            # save last path to cache
-            with open("last_path_cache.txt", "w") as f:
-                f.write(file_path)
-
-            with open(file_path, "r") as f:
-                project_data = json.load(f)
-
+            pass
 
         # open last project
         elif choice == 2:
@@ -173,4 +158,4 @@ def cli_main():
 
         key_tips()
 
-        return project_data, file_path
+        return project_data, file_path