From 8edd86b8c4bd55704216395479483c07958b1d9b Mon Sep 17 00:00:00 2001
From: Gary Martin <gary@garycmartin.com>
Date: Sat, 12 Sep 2009 02:20:53 +0000
Subject: Simple try/except clause to try new toolbars, or fallback to old style.

---
diff --git a/layout.py b/layout.py
index 4b9d73a..e77300a 100644
--- a/layout.py
+++ b/layout.py
@@ -9,9 +9,12 @@ from sugar.activity import activity
 from sugar.graphics.roundbox import CanvasRoundBox
 from toolbars import *
 
-from sugar.activity.widgets import StopButton
-from sugar.activity.widgets import ActivityToolbarButton
-from sugar.graphics.toolbarbox import ToolbarButton, ToolbarBox
+try:
+    from sugar.graphics.toolbarbox import ToolbarButton, ToolbarBox
+    from sugar.activity.widgets import ActivityToolbarButton
+    from sugar.activity.widgets import StopButton
+except ImportError:
+    pass
 
 class CalcLayout:
 
@@ -78,63 +81,64 @@ class CalcLayout:
         """Setup most of the dialog."""
 
 # Toolbar
-        """
-        toolbox = activity.ActivityToolbox(self._parent)
-        self._parent.set_toolbox(toolbox)
-        toolbox.add_toolbar(_('Edit'), EditToolbar(self._parent))
-        toolbox.add_toolbar(_('Algebra'), AlgebraToolbar(self._parent))
-        toolbox.add_toolbar(_('Trigonometry'), TrigonometryToolbar(self._parent))
-        toolbox.add_toolbar(_('Boolean'), BooleanToolbar(self._parent))
-        toolbox.add_toolbar(_('Miscellaneous'), MiscToolbar(self._parent))
-        toolbox.show_all()
-        """
-        
-        toolbar_box = ToolbarBox()
-        
-        activity_button = ActivityToolbarButton(self._parent)
-        toolbar_box.toolbar.insert(activity_button, 0)
-        
-        edit_toolbar = ToolbarButton()
-        edit_toolbar.props.page = EditToolbar(self._parent)
-        edit_toolbar.props.icon_name = 'toolbar-edit'
-        edit_toolbar.props.label = _('Edit')
-        toolbar_box.toolbar.insert(edit_toolbar, -1)
-        
-        algebra_toolbar = ToolbarButton()
-        algebra_toolbar.props.page = AlgebraToolbar(self._parent)
-        algebra_toolbar.props.icon_name = 'toolbar-algebra'
-        algebra_toolbar.props.label = _('Algebra')
-        toolbar_box.toolbar.insert(algebra_toolbar, -1)
-
-        trigonometry_toolbar = ToolbarButton()
-        trigonometry_toolbar.props.page = TrigonometryToolbar(self._parent)
-        trigonometry_toolbar.props.icon_name = 'toolbar-trigonometry'
-        trigonometry_toolbar.props.label = _('Trigonometry')
-        toolbar_box.toolbar.insert(trigonometry_toolbar, -1)
-
-        boolean_toolbar = ToolbarButton()
-        boolean_toolbar.props.page = BooleanToolbar(self._parent)
-        boolean_toolbar.props.icon_name = 'toolbar-boolean'
-        boolean_toolbar.props.label = _('Boolean')
-        toolbar_box.toolbar.insert(boolean_toolbar, -1)
-        
-        constant_toolbar = ToolbarButton()
-        constant_toolbar.props.page = MiscToolbar(self._parent)
-        constant_toolbar.props.icon_name = 'toolbar-constants'
-        constant_toolbar.props.label = _('Miscellaneous')
-        toolbar_box.toolbar.insert(constant_toolbar, -1)
-        
-        separator = gtk.SeparatorToolItem()
-        separator.props.draw = False
-        separator.set_expand(True)
-        separator.show()
-        toolbar_box.toolbar.insert(separator, -1)
-
-        stop = StopButton(self._parent)
-        toolbar_box.toolbar.insert(stop, -1)
-
-        toolbar_box.show_all()
-        self._parent.set_toolbar_box(toolbar_box)
+        try:
+            toolbar_box = ToolbarBox()
+            
+            activity_button = ActivityToolbarButton(self._parent)
+            toolbar_box.toolbar.insert(activity_button, 0)
+            
+            edit_toolbar = ToolbarButton()
+            edit_toolbar.props.page = EditToolbar(self._parent)
+            edit_toolbar.props.icon_name = 'toolbar-edit'
+            edit_toolbar.props.label = _('Edit')
+            toolbar_box.toolbar.insert(edit_toolbar, -1)
+            
+            algebra_toolbar = ToolbarButton()
+            algebra_toolbar.props.page = AlgebraToolbar(self._parent)
+            algebra_toolbar.props.icon_name = 'toolbar-algebra'
+            algebra_toolbar.props.label = _('Algebra')
+            toolbar_box.toolbar.insert(algebra_toolbar, -1)
+
+            trigonometry_toolbar = ToolbarButton()
+            trigonometry_toolbar.props.page = TrigonometryToolbar(self._parent)
+            trigonometry_toolbar.props.icon_name = 'toolbar-trigonometry'
+            trigonometry_toolbar.props.label = _('Trigonometry')
+            toolbar_box.toolbar.insert(trigonometry_toolbar, -1)
+
+            boolean_toolbar = ToolbarButton()
+            boolean_toolbar.props.page = BooleanToolbar(self._parent)
+            boolean_toolbar.props.icon_name = 'toolbar-boolean'
+            boolean_toolbar.props.label = _('Boolean')
+            toolbar_box.toolbar.insert(boolean_toolbar, -1)
+            
+            constant_toolbar = ToolbarButton()
+            constant_toolbar.props.page = MiscToolbar(self._parent)
+            constant_toolbar.props.icon_name = 'toolbar-constants'
+            constant_toolbar.props.label = _('Miscellaneous')
+            toolbar_box.toolbar.insert(constant_toolbar, -1)
+            
+            separator = gtk.SeparatorToolItem()
+            separator.props.draw = False
+            separator.set_expand(True)
+            separator.show()
+            toolbar_box.toolbar.insert(separator, -1)
+
+            stop = StopButton(self._parent)
+            toolbar_box.toolbar.insert(stop, -1)
+
+            toolbar_box.show_all()
+            self._parent.set_toolbar_box(toolbar_box)
+
+        except NameError:
+            # Use old toolbar design
+            toolbox = activity.ActivityToolbox(self._parent)
+            self._parent.set_toolbox(toolbox)
+            toolbox.add_toolbar(_('Edit'), EditToolbar(self._parent))
+            toolbox.add_toolbar(_('Algebra'), AlgebraToolbar(self._parent))
+            toolbox.add_toolbar(_('Trigonometry'), TrigonometryToolbar(self._parent))
+            toolbox.add_toolbar(_('Boolean'), BooleanToolbar(self._parent))
+            toolbox.add_toolbar(_('Miscellaneous'), MiscToolbar(self._parent))
+            toolbox.show_all()
 
 # Some layout constants
         self.input_font = pango.FontDescription(str='sans bold 12')
--
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