Proper sensitivity for the Add button and action

mitterlib/ui/ui_pygtk.py

@@ -37,6 +37,20 @@ from mitterlib.ui.helpers.image_helpers import find_image
 
 _log = logging.getLogger('ui.pygtk')
 
+# ----------------------------------------------------------------------
+# Helper Functions (not related to objects or that don't need direct access to
+# the objects contents.)
+# ----------------------------------------------------------------------
+
+def _buffer_text(text_buffer):
+    """Return the content of a gtk.TextBuffer."""
+    start = text_buffer.get_start_iter()
+    end = text_buffer.get_end_iter()
+
+    text = text_buffer.get_text(start, end, include_hidden_chars=False)
+
+    return text
+
 # ----------------------------------------------------------------------
 # Threading related objects.
 # These classes are based on the code available at http://gist.github.com/51686
@@ -173,28 +187,6 @@ class Interface(object):
         about_window.hide()
 
 
-    # ------------------------------------------------------------
-    # Helper functions
-    # ------------------------------------------------------------
-    def _sort_by_time(self, model, iter1, iter2, data=None):
-        """The sort function where we sort by the datetime.datetime object"""
-
-        d1 = model.get_value(iter1, Columns.DATETIME)
-        d2 = model.get_value(iter2, Columns.DATETIME)
-
-        # Why do we get called with None values?!
-
-        if not d1:
-            return 1
-        if not d2:
-            return -1
-
-        if d1 < d2:
-            return -1
-        elif d1 > d2:
-            return 1
-        return 0
-
     # ------------------------------------------------------------
     # Widget creation functions
     # ------------------------------------------------------------
@@ -257,8 +249,8 @@ class Interface(object):
         self.grid_store = gtk.ListStore(object)
         # Trying to store the NetworkData object only
 
-        self.grid_store.set_sort_func(0, self._sort_by_time)
-        self.grid_store.set_sort_column_id(0, gtk.SORT_DESCENDING)
+#        self.grid_store.set_sort_func(0, self._sort_by_time)
+#        self.grid_store.set_sort_column_id(0, gtk.SORT_DESCENDING)
 
         self.grid = gtk.TreeView(self.grid_store)
         self.grid.set_property('headers-visible', False)
@@ -311,10 +303,10 @@ class Interface(object):
                 'Settings', gtk.STOCK_PREFERENCES)
         #settings_action.connect('activate', self.show_settings)
 
-        update_action = gtk.Action('Update', '_Update', 'Update your status',
-                gtk.STOCK_ADD)
-        update_action.set_property('sensitive', False)
-        update_action.connect('activate', self._update_status)
+        self._update_action = gtk.Action('Update', '_Update', 
+                'Update your status', gtk.STOCK_ADD)
+        self._update_action.set_property('sensitive', False)
+        self._update_action.connect('activate', self._update_status)
 
         delete_action = gtk.Action('Delete', '_Delete', 'Delete a post',
                 gtk.STOCK_DELETE)
@@ -355,7 +347,7 @@ class Interface(object):
         self.action_group.add_action(about_action)
         #self.action_group.add_action_with_accel(shrink_url_action, '<Ctrl>u')
         #self.action_group.add_action_with_accel(mute_action, '<Ctrl>m')
-        self.action_group.add_action_with_accel(update_action,
+        self.action_group.add_action_with_accel(self._update_action,
                 '<Ctrl>Return')
 
         # definition of the UI
@@ -404,13 +396,14 @@ class Interface(object):
         text_buffer = self._update_text.get_buffer()
         text_buffer.connect('changed', self._count_chars)
 
-        update_button = gtk.Button(stock=gtk.STOCK_ADD)
-        update_button.connect('clicked', self._update_status)
+        self._update_button = gtk.Button(stock=gtk.STOCK_ADD)
+        self._update_button.connect('clicked', self._update_status)
+        self._update_button.set_property('sensitive', False)
 
         update_box = gtk.HBox(False, 0)
         update_box.pack_start(self._update_text, expand=True, fill=True,
                 padding=0)
-        update_box.pack_start(update_button, expand=False, fill=False,
+        update_box.pack_start(self._update_button, expand=False, fill=False,
                 padding=0)
 
         info_box = gtk.HBox(False, 0)
@@ -480,6 +473,7 @@ class Interface(object):
 
         return
 
+
     # ------------------------------------------------------------
     # Widget callback functions
     # ------------------------------------------------------------
@@ -487,26 +481,28 @@ class Interface(object):
     def _count_chars(self, text_buffer):
         """Count the number of chars in the edit field and update the
         label that shows the available space."""
+        text = _buffer_text(text_buffer)
+        count = len(text)
 
-        start = text_buffer.get_start_iter()
-        end = text_buffer.get_end_iter()
-
-        text = text_buffer.get_text(start, end, include_hidden_chars=False)
+        self._char_count.set_text('(%d)' % (140 - count))
 
-        self._char_count.set_text('(%d)' % (140 - len(text)))
+        self._update_button.set_property('sensitive', not (count == 0))
+        self._update_action.set_property('sensitive', not (count == 0))
 
         return True
 
-    def _update_status(self):
+    def _update_status(self, widget):
         """Update your status."""
         _log.debug('Updating status.')
-        status = self._update_text.get_text()
+        status = _buffer_text(self._update_text.get_buffer())
         status = status.strip()
-        if not str_len(status):
+        if not status:
             return
 
-        self.update_text.set_sensitive(False)
-        self.statusbar.push(self.statusbar_context, 'Updating your status...')
+        _log.debug('Status: %s', status)
+
+        #self._update_text.set_sensitive(False)
+        #self.statusbar.push(self.statusbar_context, 'Updating your status...')
 
     def quit_app(self, widget=None, user_data=None):
         """Callback when the window is destroyed or the user selects
@@ -530,7 +526,9 @@ class Interface(object):
     # ------------------------------------------------------------
 
     def __init__(self, connection, options):
-        """Class initialization."""
+        """Start the interface. `connection` is the :class:`Networks` object
+        with all the available networks. `options` is the :class:`ConfigOpt`
+        object with the configuration to run Mitter."""
 
         self._connection = connection
         self._options = options
@@ -567,6 +565,7 @@ class Interface(object):
 #        self.set_auto_refresh()
 
 #        self.window.set_focus(self.update_text)
+
         return
 
     def __call__(self):