From a71dc3d7492a71fac406a6121072b49794240451 Mon Sep 17 00:00:00 2001
From: Tobias Gehrig <tobias.gehrig@kit.edu>
Date: Wed, 24 Nov 2010 04:06:13 +0100
Subject: [PATCH] fix problem with choice lists not being deleted when
 switching label buttons

---
 buttonarea.py | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/buttonarea.py b/buttonarea.py
index 316a2ab..994160d 100644
--- a/buttonarea.py
+++ b/buttonarea.py
@@ -10,6 +10,7 @@ class ButtonArea(QWidget):
         self.label_properties = {}
 
         self.properties = {}
+        self.property_buttons = []
         
         self.last_checked_label = None
         
@@ -36,11 +37,17 @@ class ButtonArea(QWidget):
         self.hlayout = QHBoxLayout()
         self.hlayout.addLayout(label_vlayout)
         self.setLayout(self.hlayout)
+        print self.hlayout.parent()
 
     def update_buttons(self):
         layout = self.hlayout.takeAt(1)
+        for button in self.property_buttons:
+            button.hide()
+            del button
 
         dynamic_hlayout = QHBoxLayout()
+
+        self.property_buttons = []
         
         if self.last_checked_label != None:
             for key in self.label_properties[self.last_checked_label].keys():
@@ -50,13 +57,12 @@ class ButtonArea(QWidget):
                 buttongroup = QButtonGroup()
                 for value in self.properties[key]:
                     button = self.create_button(value)
+                    self.property_buttons.append(button)
                     vlayout.addWidget(button)
                     buttongroup.addButton(button)
                 dynamic_hlayout.addLayout(vlayout)
 
         self.hlayout.addLayout(dynamic_hlayout)
-        self.update()
-        self.updateGeometry()
 
     def add_label(self, label_name, properties = {}):
         self.label_names.append(label_name)