From c06837948f32f0f69d96cd74cfe7dccceff7b450 Mon Sep 17 00:00:00 2001
From: mistangl <m.stangl@schoenenberger.de>
Date: Wed, 3 Apr 2024 17:19:48 +0200
Subject: [PATCH] =?UTF-8?q?FIX=20zur=20Bestimmung=20der=20Halbzeugl=C3=A4n?=
 =?UTF-8?q?ge=20aus=20der=20assembly.json=20Datei=20und=20dem=20zugeh?=
 =?UTF-8?q?=C3=B6rigen=20L=C3=A4ngeneintrag=20dieses=20Teils?=
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---
 lib/caditem.py | 30 ++++++++++++++++++++++++------
 1 file changed, 24 insertions(+), 6 deletions(-)

diff --git a/lib/caditem.py b/lib/caditem.py
index 472da6f..6ca3abb 100644
--- a/lib/caditem.py
+++ b/lib/caditem.py
@@ -242,8 +242,10 @@ class CadItem(DataModel):
         self._logic = None
 
     def clear(self):
+        asm_id = self.get_asm_id() # das einzige was beim Löschen des Modells bleiben sollte, ist die übergeordnete Baugruppennummer
         self._data = {}        
         self._gui_data = {}
+        self.set_asm_id(asm_id)
         self._gui_states = {}
         self._read_only_items = {}
         if self._logic:
@@ -344,8 +346,23 @@ class CadItem(DataModel):
     def get_all_gui_data(self):
         return self._gui_data
     
-    def get_halbzeug_laenge_of_asm_id(self):
-        self.get_asm_id()
+    def get_halbzeug_laenge_of_asm_id(self, halbzeugid):
+        asm_id = self.get_asm_id()
+        current_id = self.get_current_item_id()
+        data_dir = self._controller.get_env('data')
+        path = os.path.join(data_dir, asm_id + '.json')
+        jsonobjs = None
+        try:
+            with open(path, encoding='utf-8') as json_file:
+                jsonobjs = json.load(json_file)
+        except Exception:
+            raise Exception("guid_data, data, parent_children_mapping or red_ids not found")
+        laenge = 0
+        if jsonobjs:
+            for jo in jsonobjs[halbzeugid]:
+                if jo['Parent'] == str(current_id):
+                    laenge = jo['Länge']
+        return laenge
 
     def _transform_content_from_csv(self, translated_data, author=None):
         """"baut die Texte aus der csv Datei nach dem Einladen um"""
@@ -519,8 +536,8 @@ class CadItem(DataModel):
     def load(self, path):
         """loads all data of a model from a json string"""
         try:
-            with open(path, 'r') as f:
-                self.from_json(json.load(f))
+            with open(path, encoding='utf-8') as json_file:
+                self.from_json(json.load(json_file))
         except Exception:
             raise Exception("guid_data, data, parent_children_mapping or red_ids not found")
 
@@ -1541,8 +1558,9 @@ class GuiLogic():
             child_id = self._model.get_child_of_id(current_id)
             if child_id is not None:
                 Teilenummern = self._config.get_ruledesigner_ids()
-                if child_id in Teilenummern: 
-                    ret["halbzeuglaenge_neu"] = 'Länge ? des Kindes der id='+ child_id
+                if child_id in Teilenummern:
+                    laenge = self._model.get_halbzeug_laenge_of_asm_id(child_id)
+                    ret["halbzeuglaenge_neu"] = laenge
         else:
             self.set_state('halbzeuglaenge_neu', 'disabled')
         return ret