From 80f60b55f4ea8558cd6e856d796dfe9664e79bea Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Fri, 9 Mar 2018 19:13:51 +0100
Subject: [PATCH] Use limit to expand tree

The screen switch to the form view if the limit is reached.

issue4901
review44641002
---
 CHANGELOG                                | 1 +
 tryton/gui/window/view_form/view/list.py | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/CHANGELOG b/CHANGELOG
index 9cc374f13c..2cf34ee4b2 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,4 @@
+* Use limit to expand tree
 * Add keyword attribute to button tag
 * Support field name on image tag
 * Add option to check new version
diff --git a/tryton/gui/window/view_form/view/list.py b/tryton/gui/window/view_form/view/list.py
index 9d657743ff..dc947c646f 100644
--- a/tryton/gui/window/view_form/view/list.py
+++ b/tryton/gui/window/view_form/view/list.py
@@ -653,6 +653,10 @@ class ViewTree(View):
 
     def test_expand_row(self, widget, iter_, path):
         model = widget.get_model()
+        if model.iter_n_children(iter_) > CONFIG['client.limit']:
+            self.screen.current_record = model.get_value(iter_, 0)
+            self.screen.switch_view('form')
+            return True
         iter_ = model.iter_children(iter_)
         if not iter_:
             return False