kategorie, verknüpfung zu kassenbuch, forms

category.py

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+# -*- coding: utf-8 -*-
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+
+from trytond.model import ModelView, ModelSQL, fields, tree
+from trytond.modules.cashbook.model import order_name_hierarchical
+from trytond.transaction import Transaction
+
+
+class Category(tree(separator=' / '), ModelSQL, ModelView):
+    "Cashbook Category"
+    __name__ = "cashbook.bookcategory"
+
+    company = fields.Many2One(string='Company', model_name='company.company',
+        required=True, ondelete="RESTRICT")
+    name = fields.Char(string='Name', required=True, translate=True)
+
+    parent = fields.Many2One(string='Parent', select=True,
+        model_name='cashbook.bookcategory', ondelete='CASCADE',
+        left='left', right='right')
+    childs = fields.One2Many(string='Children', field='parent',
+        model_name='cashbook.bookcategory')
+    left = fields.Integer(string='Left', required=True, select=True)
+    right = fields.Integer(string='Right', required=True, select=True)
+
+    @classmethod
+    def __setup__(cls):
+        super(Category, cls).__setup__()
+        cls._order.insert(0, ('rec_name', 'ASC'))
+
+    @staticmethod
+    def default_left():
+        return 0
+
+    @staticmethod
+    def default_right():
+        return 0
+
+    @staticmethod
+    def default_company():
+        return Transaction().context.get('company') or None
+
+    @staticmethod
+    def order_rec_name(tables):
+        """ order by pos
+            a recursive sorting
+        """
+        return order_name_hierarchical('cashbook.bookcategory', tables)
+
+# ende Category