From 2bba12a1f733b975e7f9a6bc48698ad101af5443 Mon Sep 17 00:00:00 2001
From: Walter Bender <walter@sugarlabs.org>
Date: Mon, 18 Nov 2013 17:37:12 +0000
Subject: save during screen rotate; generate preview

---
(limited to 'activity.py')

diff --git a/activity.py b/activity.py
index f3d6b4b..d7a3d76 100644
--- a/activity.py
+++ b/activity.py
@@ -17,6 +17,8 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+import os
+
 import gtk
 from gettext import gettext as _
 import logging
@@ -50,21 +52,26 @@ class PhysicsActivity(activity.Activity):
 
         self._canvas = sugargame.canvas.PygameCanvas(self)
         self.game = physics.main(self)
+        self.preview = None
         self.build_toolbar()
 
         self.set_canvas(self._canvas)
         gtk.gdk.screen_get_default().connect('size-changed',
                                              self.__configure_cb)
 
+        logging.debug(os.path.join(
+                activity.get_activity_root(), 'data', 'data'))
         self._canvas.run_pygame(self.game.run)
 
     def __configure_cb(self, event):
         ''' Screen size has changed '''
-        if self.game.opening_queue is not None:
-            self.write_file(self.game.opening_queue)
+        self.write_file(os.path.join(
+                activity.get_activity_root(), 'data', 'data'))
         pygame.display.set_mode((gtk.gdk.screen_width(),
                                  gtk.gdk.screen_height() - 2 * GRID_CELL_SIZE),
                                 pygame.RESIZABLE)
+        self.read_file(os.path.join(
+                activity.get_activity_root(), 'data', 'data'))
         self.game.run(True)
 
     def read_file(self, file_path):
@@ -75,6 +82,8 @@ class PhysicsActivity(activity.Activity):
 
     def get_preview(self):
         """ Custom preview code to get image from pygame. """
+        if self.preview:
+            return self.preview
         surface = pygame.display.get_surface()
         width, height = surface.get_width(), surface.get_height()
         pixbuf = gtk.gdk.pixbuf_new_from_data(pygame.image.tostring(surface,
--
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