diff --git a/lib/CreoMigrateGui.py b/lib/CreoMigrateGui.py
index 7e9c261..55800bf 100644
--- a/lib/CreoMigrateGui.py
+++ b/lib/CreoMigrateGui.py
@@ -1,354 +1,121 @@
 import tkinter as tk
-from tkinter import ttk
-from controller import Controller
+from gui import App
 from caditem import CadItem
-#from tkinter import messagebox
-#import logging
+from controller import Controller, GuiLogic
+from manage_configs import Configs
+import argparse
+import os
+
+demo_data = """
+{
+  "parent_children_mapping": {
+    "400102130": [ "400102142" ],
+    "400102167": [ "821116004" ],
+    "400102168": [ "821116001" ],
+    "400102195": [ "822066075", "822066216", "822066154", "822066101",
+    "822064090", "822066196", "400102129", "822066217", "822066160",
+    "822066215", "913041045", "913011009", "911011057", "822064035",
+    "925011006", "911091041", "913051040", "911021112", "911021166",
+    "825006003", "912041005", "911011014", "911011009", "911021144",
+    "911021001", "913011016", "929055170", "913011010", "911021035",
+    "829416065", "712000151", "712000100" ],
+    "400102196": [ "400102125", "400102126", "400102130", "400102161",
+    "400102163", "400102165", "400102166", "400102167", "400102168",
+    "400102190", "400102195", "400102198", "400102246", "400102247",
+    "400102267", "400102272", "400102274", "400102275", "400102277",
+    "400102278", "400102282", "400102284", "400102417", "720002003",
+    "721001034", "821114025", "822064091", "822066085", "822996075",
+    "829416061", "829516004", "911021113", "911021181", "911021259",
+    "911091054", "911091096", "911091097", "911251013", "912011009",
+    "919050006", "924031058", "924031081" ],
+    "400102235": [ "400102236", "400102237", "400102238", "400102239",
+    "400102268", "911021143", "911021054", "911021055" ],
+    "400102236": [ "MA0000006" ],
+    "400102267": [ "400102235", "829416159", "829416077", "829416079",
+    "911021260", "911021147", "911251014" ],
+    "400102282": [ "822066026", "822066089", "919010052" ],
+    "821114025": [ "911081007", "821116053" ],
+    "821116004": [ "822026004" ],
+    "822064035": [ "822066065" ],
+    "822064091": [ "822066212", "822064093", "822066220", "822066200",
+    "912011010", "911021156", "822066201", "911071027", "913011109",
+    "911011070", "913011001", "710005021", "919010055", "720000008", "720000007" ],
+    "822064093": [ "822066204", "822066205", "822066206", "822066207", "822066208" ],
+    "822066075": [ "822066157", "822066162", "911261023" ],
+    "822066160": [ "MA0000004" ],
+    "822066162": [ "822064013" ],
+    "822066196": [ "MA0000008" ],
+    "822066220": [ "924031033" ],
+    "829416159": [ "829416089" ]
+  },
+  "red_ids": [ "400102274", "400102275", "400102190", "400102198", "400102161",
+     "400102277", "400102163", "400102278", "400102282", "400102284",
+     "400102195", "MA0000008", "MA0000004", "929055170", "400102267",
+     "400102235", "400102236", "MA0000006", "400102237", "400102238",
+     "400102239", "400102268", "829416159", "924031058", "924031081",
+     "822064091", "822066199", "822066200" ],
+ "gui_data": {
+    "asm_id": "400102196",
+    "teilenummer": "400102142",
+    "pdm_kategorie_neu": "Einzelteil",
+    "neuaufbau": "False",
+    "lebenszyklus_status_neu": "Serie",
+    "aus_halbzeug_neu": "True",
+    "zusatzinfos_text_neu": "Dies sind neue Zusatzinfos"
+  },
+ "data": {}
+}
+"""
+
+class Environment:
+
+    def __init__(self):
+        self.lib_dir = os.environ.get('CREMIG_LIB')
+        self.data_dir = os.environ.get('CREMIG_DATA')
+        self.out_dir = os.environ.get('CREMIG_WORK')
+        self.cfg_dir = os.environ.get('CREMIG_CFG')
+        self.ruledesigner_csv_filename = os.environ.get('RD_DATABASE_NAME')
+
+def build_gui(model, configs):
+    root = tk.Tk()
+    app = App(root, configs)
+
+    controller = Controller(model, app)
+    logic = GuiLogic(configs)
+    controller.add_logic(logic)
+
+    # um ohne Observer pattern auch Rückmeldungen geben zu können
+    app.set_controller(controller)   
+    model.set_controller(controller) 
+
+    # Daten des Modells in der Oberfläche darstellen
+    controller.refresh_gui()
+
+    app.mainloop()
 
 
-#logger = logging.getLogger(__name__)
-class TreeView():
-    def __init__(self, frame, nrow=0):
-        # a treeview
-        # hier Anzahl der sichtbaren Zeilen des Baums angeben:
-        self.tree = ttk.Treeview(frame, height=40)
-        # TODO hier anstatt root die Statistik rein schreiben.
-        self.tree.heading('#0', text='root', anchor=tk.W)
-        self.tree.grid(row=nrow, column=0, sticky=tk.NSEW)
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(description='Das Programm ermöglicht einw graphisch unterstützte Migration eines Teiles oder Assemblies von Creo nach SolidEdge. Erzeugt eine korrekte Impfdatei.', prog='CreoMigrateGui')
+    parser.add_argument('-n', '--number', action='store', help='Eingabe der SIVAS-Teilenummer, für die der Migrationsstatus angezeigt werden soll', metavar="id")
+    parser.add_argument('-d', '--demo', action='store_true', help='arbeitet ohne Server. Lädt Testdaten ein um nur eine Oberfläche darzustellen')
 
-        # add a scrollbar
-        scrollbar = ttk.Scrollbar(frame, orient=tk.VERTICAL, command=self.tree.yview)
-        self.tree.configure(yscroll=scrollbar.set)
-        scrollbar.grid(row=nrow, column=1, sticky='ns')
+    args = parser.parse_args()
 
-        #self.tree.bind('<<TreeviewSelect>>', self.item_selected) # Einfachklick
-        self.tree.bind('<Double-Button-1>', self.item_selected)  # Doppelklick:
+    environment = Environment()
+    output_dir = environment.out_dir
+    configs = Configs(environment.cfg_dir)
 
-    def set_controller(self, controller):
-        self.controller = controller
+    model = CadItem()
+    if args.demo:
+        model.from_json(demo_data)
+        build_gui(model, configs)
 
-    def refresh(self, parent_children_mapping, red_ids):
-        self.clear()
-        self.create(parent_children_mapping, red_ids)
+    elif args.number:
+        id = args.number
+        path = os.path.join(output_dir, id + '.json')
+        if os.path.exist(path):
+            model.load(demo_data)
+        build_gui(model, configs)
+    else:
+        parser.print_help()
 
-    def clear(self):
-        for c in self.tree.get_children():
-            self.tree.delete(c)
-
-    def create(self, parent_children_mapping, red_ids):
-        # adding data of first column after root
-        pool = set()
-        for parent,children in parent_children_mapping.items():
-            if parent not in pool:
-                self.tree.insert('', tk.END, text=parent, iid=parent, open=True)
-                pool.add(parent)
-            cn = children
-            # sortiere die Zahlen im Baum immer aufsteigend
-            cn.sort(reverse=True)
-            for child_id in cn:
-                if child_id not in pool:
-                    pool.add(child_id)
-                    if child_id not in red_ids: rowtags = ('good')
-                    else:                       rowtags = ('missing')
-                    self.tree.insert('', tk.END, text=child_id, iid=child_id, tags=rowtags, open=True)
-                    #self.tree.move(child_id, parent, 0)
-
-        # einmal über alles gehen und alle keys an die richtige Stelle schieben
-        for parent,children in parent_children_mapping.items():
-            for child_id in children:
-                self.tree.move(child_id, parent, 0)
-
-        # https://www.askpython.com/python-modules/tkinter/tkinter-colors
-        #self.tree.tag_configure('good', background='LawnGreen')
-        self.tree.tag_configure('good', background='white')
-        self.tree.tag_configure('missing', background='red')
-
-    def data_from_model(self):
-        parent_children_mapping = self.controller.get_parent_children()
-        red_ids = self.controller.get_red_ids()
-        self.refresh(parent_children_mapping, red_ids)
-
-    def item_selected(self, event):
-        """callback of TK if an item in the tree has been selected
-        """
-        cid = self.tree.selection()[0]
-        # trage die neue ID ins Modell ein
-        self.controller.set_gui_data('teilenummer', cid)
-        self.controller.refresh_gui()
-
-
-class AllFrames():
-    """ enthält alle gleichen Methoden für die Widgets in der rechte Spalte
-    """
-    def __init__(self, nrow=0):
-        self.set_start_rwo(nrow)
-        self._controller = None
-
-    def get_rows(self):
-        return self.rownum
-
-    def set_start_rwo(self, nrow):
-        if nrow < 0:
-            raise Exception("this row can not be set")
-        self.rownum = nrow
-
-    def set_controller(self, controller):
-        self._controller = controller
-    def get_controller(self):
-        return self._controller
-
-    def callback(self, key):
-        controller = self.get_controller()
-        if controller:
-            controller.callback(key)
-
-
-    def data_to_model(self, controller):
-        data = self.get_data()
-        controller.set_gui_dict(data)
-
-    def data_to_model(self, controller, key, value):
-        controller.set_gui_data(key, value)
-
-class LeftFrameAsm(AllFrames):
-    def __init__(self, frame, nrow=0):
-        AllFrames.__init__(self, nrow)
-        self.frame = frame
-        self.build_widgets()
-        
-    def build_widgets(self):
-        frame = self.frame
-        self.rownum = AllFrames.get_rows(self)
-        col_left = 0
-        # Baugruppennummer
-        asm_label = ttk.Label(frame, text="Baugruppennummer:" )
-        asm_label.grid(column=col_left, row=self.rownum, sticky=tk.W, padx=5, pady=5)
-        self.rownum += 1
-        self.asm_number = tk.StringVar()
-        asm_entry = ttk.Entry(frame, textvariable=self.asm_number, width=9)
-        asm_entry.grid(column=col_left, row=self.rownum, sticky=tk.W, padx=5, pady=5)
-        self.rownum += 1
-
-    def get_data(self):
-        return {
-            "asm_id": self.asm_number.get(),
-        }
-
-    def data_from_model(self):
-        data = self.get_controller().get_all_gui_data()
-        if 'asm_id' in data:
-            self.asm_number.set(data["asm_id"])
-
-class RightFrameLabels(AllFrames):
-    def __init__(self, frame, nrow=0):
-        AllFrames.__init__(self, nrow)
-        self.frame = frame
-        self.build_widgets()
-
-    def build_widgets(self):
-        frame = self.frame
-        self.rownum = AllFrames.get_rows(self)
-        col_left = 0
-        # Feld, SIVAS-Werte, Überschriebene Werte
-        feld_label = ttk.Label(frame, text="Feld" )
-        feld_label.grid(column=col_left, row=self.rownum, sticky=tk.W, padx=5, pady=5)
-        Sivas_label = ttk.Label(frame, text="SIVAS-Werte" )
-        Sivas_label.grid(column=col_left+1, row=self.rownum, sticky=tk.W, padx=5, pady=5)
-        transwritten_label = ttk.Label(frame, text="Überschriebene Werte" )
-        transwritten_label.grid(column=col_left+2, row=self.rownum, sticky=tk.W, padx=5, pady=5)
-
-        feld_label.configure(font=("Helvetica", 16))
-        Sivas_label.configure(font=("Helvetica",16))
-        transwritten_label.configure(font=("Helvetica",16))
-        self.rownum += 1
-
-        separator = ttk.Separator(frame, orient='horizontal')
-        separator.grid(column=col_left, columnspan=3, row=self.rownum, sticky=tk.EW, padx=5, pady=5)
-        self.rownum += 1
-
-        # Teilenummer
-        teilenummer_label = ttk.Label(frame, text="Teilenummer:")
-        teilenummer_label.grid(column=col_left, row=self.rownum, sticky=tk.W, padx=5, pady=5)
-        self.teilenummer_text = tk.StringVar()
-        teilenummer_entry = ttk.Entry(frame, textvariable=self.teilenummer_text)
-        teilenummer_entry.grid(column=col_left+1, row=self.rownum, sticky=tk.W, padx=5, pady=5)
-        teilenummer_entry.bind('<<ComboboxSelected>>', lambda event:self.callback("teilenummer"))
-        self.rownum += 1
-        separator2 = ttk.Separator(frame, orient='horizontal')
-        separator2.grid(column=col_left, columnspan=3, row=self.rownum, sticky=tk.EW, padx=5, pady=5)
-        self.rownum += 1
-
-
-    def get_data(self):
-        return {
-            "teilennummer": self.teilenummer_text.get(),
-        }
-
-    def data_from_model(self):
-        data = self.get_controller().get_all_gui_data()
-        if 'teilenummer' in data:
-            self.teilenummer_text.set(data["teilenummer"])
-
-
-class RightFramePDM(AllFrames):
-    def __init__(self, frame, nrow=0):
-        AllFrames.__init__(self, nrow)
-        self.frame = frame
-        self.build_widgets()
-        
-    def build_widgets(self):
-        frame = self.frame
-        self.rownum = AllFrames.get_rows(self)
-        col_left = 0
-        # pdmkategorie
-        pdmkategorie_label = ttk.Label(frame, text="PDM-Kategorie:" )
-        pdmkategorie_label.grid(column=col_left, row=self.rownum, sticky=tk.W, padx=5, pady=5)
-        self.pdm_category = tk.StringVar()
-        pdmkategorie_combo = ttk.Combobox(frame, textvariable=self.pdm_category)
-        pdmkategorie_combo['values'] = ["Baugruppe", "Einzelteil", "Kaufteil", "NichtSivas", "Normteil", "Schweissbaugruppe"]
-        pdmkategorie_combo['state'] = 'readonly'       
-        pdmkategorie_combo.bind('<<ComboboxSelected>>', lambda event:self.callback('pdm_kategorie_neu')) 
-        pdmkategorie_combo.grid(column=col_left+2, row=self.rownum, sticky=tk.W, padx=5, pady=5)
-        self.rownum += 1
-
-        # Neuaufbau
-        neuaufbau_label = ttk.Label(frame, text="Neuaufbau:")
-        neuaufbau_label.grid(column=col_left, row=self.rownum, sticky=tk.W, padx=5, pady=5)
-
-        self.neuaufbau = None
-        neuaufbau_checkbutton = ttk.Checkbutton(frame,  
-                text='ja',
-                variable=self.neuaufbau,
-                command=lambda: self.callback("neuaufbau"),
-                onvalue=True,
-                offvalue=False)
-        neuaufbau_checkbutton.grid(column=col_left+2, row=self.rownum, sticky=tk.W, padx=5, pady=5)
-        self.rownum += 1
-
-        # Lebenszyklusstatus
-        lebenszyklusstatus_label = ttk.Label(frame, text="Lebenszyklusstatus:")
-        lebenszyklusstatus_label.grid(column=col_left, row=self.rownum, sticky=tk.W, padx=5, pady=5)
-        self.lebenszyklus_status_neu = tk.StringVar()
-        lebenszyklusstatus_combo = ttk.Combobox(frame, textvariable=self.lebenszyklus_status_neu)
-        lebenszyklusstatus_combo['values'] = ["Serie", "Prototyp"]
-        lebenszyklusstatus_combo['state'] = 'readonly'       
-        lebenszyklusstatus_combo.bind('<<ComboboxSelected>>', lambda event:self.callback('lebenszyklus_status_neu'))
-        lebenszyklusstatus_combo.grid(column=col_left+2, row=self.rownum, sticky=tk.W, padx=5, pady=5)
-        self.rownum += 1
-
-        # aus Halbzeug
-        halbzeug_label = ttk.Label(frame, text="aus Halbzeug:")
-        halbzeug_label.grid(column=col_left, row=self.rownum, sticky=tk.W, padx=5, pady=5)
-        self.aus_halbzeug_neu = None
-        aushalbzeug_checkbuttonr = ttk.Checkbutton(frame,  
-                text='neu',
-                variable=self.aus_halbzeug_neu,
-                command=lambda: self.callback("aus_halbzeug_neu"),
-                onvalue=True,
-                offvalue=False)
-        aushalbzeug_checkbuttonr.grid(column=col_left+2, row=self.rownum, sticky=tk.W, padx=5, pady=5)
-        self.rownum += 1
-
-        # Zusatzinformationen
-        zusatzinfos_label = ttk.Label(frame, text="Zusatzinformationen:")
-        zusatzinfos_label.grid(column=col_left, row=self.rownum, sticky=tk.W, padx=5, pady=5)
-        self.zusatzinfos_text = tk.StringVar()
-        zusatzinfos_entry = ttk.Entry(frame, textvariable=self.zusatzinfos_text)
-        zusatzinfos_entry.grid(column=col_left+2, row=self.rownum, sticky=tk.W, padx=5, pady=5)
-        self.rownum += 1
-
-    def get_data(self):
-        return {
-            "pdm_kategorie_neu": self.pdm_category.get(),
-            "neuaufbau": self.neuaufbau,
-            "lebenszyklus_status_neu": self.lebenszyklus_status_neu.get(),
-            "aus_halbzeug_neu": self.aus_halbzeug_neu,
-            "zusatzinfos_txt_neu": self.zusatzinfos_text.get(),
-        }
-
-    def data_from_model(self):
-        data = self.get_controller().get_all_gui_data()
-        if 'pdm_kategorie_neu' in data:
-            self.pdm_category.set(data["pdm_kategorie_neu"])
-        if 'neuaufbau' in data:
-            self.neuaufbau  = data["neuaufbau"]
-        if 'lebenszyklus_status_neu' in data:
-            self.lebenszyklus_status_neu.set(data["lebenszyklus_status_neu"])
-        if 'aus_halbzeug_neu' in data:
-            self.aus_halbzeug_neu= data["aus_halbzeug_neu"] 
-        if 'zusatzinfos_text_neu' in data:
-            self.zusatzinfos_text.set(data["zusatzinfos_text_neu"]) 
-
-
-
-class App():
-    def __init__(self, root):
-        """Standardgui mit Baum zur Anwahl der Teile des Assemblies"""
-        
-        self.root = root
-
-        # configure the grid
-        # die erste Spalte mit Baum sollte unbeweglich bleiben bei Vergräßerung des Fensters.
-        # self.root.columnconfigure(0, weight=2)
-        self.root.columnconfigure(1, weight=1)
-        #self.root.geometry('800x800')
-
-        # Create left and right frames
-        left_frame = ttk.Frame(self.root,  width=200,  height=800)
-        left_frame.grid(row=0,  column=0,  padx=10,  pady=5)
-
-        right_frame = ttk.Frame(self.root,  width=650,  height=800)
-        right_frame.grid(row=0,  column=1,  padx=10,  pady=5)
-
-        style = ttk.Style(self.root)
-        style.theme_use('classic')
-
-        self.lf1 = LeftFrameAsm(left_frame, 0)
-        nrows = self.lf1.get_rows()
-        self.lf2 = TreeView(left_frame, nrows)
-
-        self.rf0 = RightFrameLabels(right_frame, 0)
-        nrows = self.rf0.get_rows()
-        self.rf1 = RightFramePDM(right_frame, nrows)
-        nrows = self.rf1.get_rows()
-        #self.rf2 = RightFramePDM(right_frame, nrows)
-        # TODO usw.
-
-    def data_from_model(self):
-        """ methode zum auslesen aller Daten der Oberfläche aus dem Modell
-        """
-        self.lf1.data_from_model()
-        self.lf2.data_from_model()
-
-        self.rf0.data_from_model()
-        self.rf1.data_from_model()
-
-    def set_controller(self, controller):
-        # merken des Handels auf den Controller in jedem widget
-        self._controller = controller
-
-        self.lf1.set_controller(controller)
-        self.lf2.set_controller(controller)
-        self.rf0.set_controller(controller)
-        self.rf1.set_controller(controller)
-
-    def mainloop(self):
-        self.root.mainloop()
-
-
-if __name__ == "__main__":
-
-    """ using the Model-View-Controller (MVC) Pattern
-     - The MODEL is responsible for managing the data of the application. It
-       receives user input from the CONTROLLER
-     - The VIEW renders presentation of the model in a particular format.
-     - The CONTROLLER responds to the user input and performs interactions on the
-       data model objects. The CONTROLLER receives the input, optionally validates
-       it and then passes the input to the model.
-
-                          <CONTROLLER> 
-           <--fills gui --          --manipulates-->
-           --user input->          <--give model data--
-         <VIEW>                                     <MODEL> 
-                                                    
-    """