Make the 'view source' key work in Pippy and generated activities.

Also register Pippy as a handler for text/x-python.

1 files changed, 45 insertions, 6 deletions

diff --git a/activity.py b/activity.py
index 67da456..6f6c9d1 100644
--- a/activity.py
+++ b/activity.py
@@ -1,17 +1,56 @@
 from sugar.activity import activity
 
-import os, sys
-import gtk, pango, vte
+class ViewSourceActivity(activity.Activity):
+    """Activity subclass which handles the 'view source' key."""
+    def __init__(self, handle):
+        super(ViewSourceActivity, self).__init__(handle)
+        self.__source_object_id = None # XXX: persist this across invocations?
+        self.connect('key-press-event', self._key_press_cb)
+    def _key_press_cb(self, widget, event):
+        import gtk
+        if gtk.gdk.keyval_name(event.keyval) == 'XF86Start':
+            self.view_source()
+            return True
+        return False
+    def view_source(self):
+        """Implement the 'view source' key by saving pippy_app.py to the
+        datastore, and then telling the Journal to view it."""
+        if self.__source_object_id is None:
+            from sugar import profile
+            from sugar.datastore import datastore
+            from sugar.activity.activity import get_bundle_name, get_bundle_path
+            from gettext import gettext as _
+            import os.path
+            jobject = datastore.create()
+            metadata = {
+                'title': _('%s Source') % get_bundle_name(),
+                'title_set_by_user': '1',
+                'suggested_filename': 'pippy_app.py',
+                'icon-color': profile.get_color().to_string(),
+                'mime_type': 'text/x-python',
+                }
+            for k,v in metadata.items():
+                jobject.metadata[k] = v # dict.update method is missing =(
+            jobject.file_path = os.path.join(get_bundle_path(), 'pippy_app.py')
+            datastore.write(jobject)
+            self.__source_object_id = jobject.object_id
+            jobject.destroy()
+        self.journal_show_object(self.__source_object_id)
+    def journal_show_object(self, object_id):
+        """Invoke parent class' journal_show_object if it exists."""
+        s = super(ViewSourceActivity, self)
+        if hasattr(s, 'journal_show_object'):
+            s.journal_show_object(object_id)
+
 
-class VteActivity(activity.Activity):
+class VteActivity(ViewSourceActivity):
     def __init__(self, handle):
-        activity.Activity.__init__(self, handle)
+        import gtk, pango, vte
+        super(VteActivity, self).__init__(handle)
         toolbox = activity.ActivityToolbox(self)
         self.set_toolbox(toolbox)
         toolbox.show()
 
-        # XXX: NEED SHOW SOURCE BUTTON / KEYBINDING
-        
         # creates vte widget
         self._vte = vte.Terminal()
         self._vte.set_size(30,5)