From daaeb35030b160b46caa6169e5210eaef372e9ed Mon Sep 17 00:00:00 2001
From: Walter Bender <walter@sugarlabs.org>
Date: Fri, 24 May 2013 12:10:06 +0000
Subject: consolidation of chooser code

---
(limited to 'TurtleArt')

diff --git a/TurtleArt/tautils.py b/TurtleArt/tautils.py
index e6120ec..48162fe 100644
--- a/TurtleArt/tautils.py
+++ b/TurtleArt/tautils.py
@@ -317,31 +317,36 @@ def get_save_name(filefilter, load_save_folder, save_file_name):
     return do_dialog(dialog, filefilter, load_save_folder)
 
 
-def chooser(parent_window, filter, action):
+def chooser_dialog(parent_window, filter, action):
     ''' Choose an object from the datastore and take some action '''
     from sugar.graphics.objectchooser import ObjectChooser
 
     chooser = None
+    dsobject = None
+    cleanup_needed = False
     try:
         chooser = ObjectChooser(parent=parent_window, what_filter=filter)
-    except TypeError:
+    except TypeError:  # Old-syle Sugar chooser
         chooser = ObjectChooser(
             None,
             parent_window,
             gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT)
+        cleanup_needed = True
+
     if chooser is not None:
-        dsobject = None
-        try:
-            result = chooser.run()
-            if result == gtk.RESPONSE_ACCEPT:
-                dsobject = chooser.get_selected_object()
-        finally:
+        result = chooser.run()
+        if result == gtk.RESPONSE_ACCEPT:
+            dsobject = chooser.get_selected_object()
+        if cleanup_needed:
             chooser.destroy()
             del chooser
-        if dsobject is not None:
-            action(dsobject)
-            dsobject.destroy()
 
+    if dsobject is not None:
+        gobject.idle_add(self._take_action, action, dsobject)
+
+def _take_action(self, action, dsobject):
+    action(dsobject)
+    dsobject.destroy()
 
 def data_from_file(ta_file):
     ''' Open the .ta file, ignoring any .png file that might be present. '''
diff --git a/TurtleArt/tawindow.py b/TurtleArt/tawindow.py
index c332d35..e4c7b65 100644
--- a/TurtleArt/tawindow.py
+++ b/TurtleArt/tawindow.py
@@ -73,7 +73,7 @@ from tautils import (magnitude, get_load_name, get_save_name, data_from_file,
                      data_to_file, round_int, get_id, get_pixbuf_from_journal,
                      movie_media_type, audio_media_type, image_media_type,
                      save_picture, calc_image_size, get_path, hide_button_hit,
-                     show_button_hit, chooser, arithmetic_check, xy,
+                     show_button_hit, chooser_dialog, arithmetic_check, xy,
                      find_block_to_run, find_top_block, journal_check,
                      find_group, find_blk_below, data_to_string,
                      find_start_stack, get_hardware, debug_output,
@@ -3348,7 +3348,7 @@ before making changes to your Turtle Blocks program'))
         ''' Import a file from the Sugar Journal '''
         # TODO: check blk name to set filter
         if self.running_sugar:
-            chooser(self.parent, '', self._update_media_blk)
+            chooser_dialog(self.parent, '', self._update_media_blk)
         else:
             fname, self.load_save_folder = get_load_name('.*',
                                                          self.load_save_folder)
@@ -3719,8 +3719,8 @@ before making changes to your Turtle Blocks program'))
     def _import_py(self):
         ''' Import Python code into a block '''
         if self.running_sugar:
-            chooser(self.parent, 'org.laptop.Pippy',
-                    self.load_python_code_from_journal)
+            chooser_dialog(self.parent, 'org.laptop.Pippy',
+                           self.load_python_code_from_journal)
         else:
             self.load_python_code_from_file(fname=None, add_new_block=False)
 
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