More work on the mesh view

shell/view/home/MeshGroup.py

@@ -12,18 +12,42 @@ class ActivityView(goocanvas.Group):
 	def __init__(self, shell, menu_shell, model):
 		goocanvas.Group.__init__(self)
 
+		self._shell = shell
 		self._model = model
 		self._layout = SnowflakeLayout()
+		self._icons = {}
 
 		icon = IconItem(icon_name=model.get_icon_name(),
 						color=model.get_color(), size=80)
+		icon.connect('clicked', self._clicked_cb)
 		self.add_child(icon)
 		self._layout.set_root(icon)
 
+	def has_buddy_icon(self, name):
+		return self._icons.has_key(name)
+
+	def add_buddy_icon(self, name, icon):
+		self._icons[name] = icon
+		self.add_child(icon)
+		self._layout.add_child(icon)
+
+	def remove_buddy_icon(self, name):
+		icon = self._icons[name]
+		self._layout.remove_child(icon)
+		self.remove_child(icon)
+		del self._icons[name]
+
 	def get_size_request(self):
 		size = self._layout.get_size()
 		return [size, size]
 
+	def _clicked_cb(self, item):
+		registry = conf.get_activity_registry()
+		default_type = self._model.get_service().get_type()
+		bundle = registry.get_activity_from_type(default_type)
+		self._shell.join_activity(bundle.get_id(), self._model.get_id())
+
+
 class MeshGroup(goocanvas.Group):
 	def __init__(self, shell, menu_shell):
 		goocanvas.Group.__init__(self)
@@ -34,12 +58,14 @@ class MeshGroup(goocanvas.Group):
 		self._layout = IconLayout(shell.get_grid())
 		self._buddies = {}
 		self._activities = {}
+		self._buddy_to_activity = {}
 
 		for buddy_model in self._model.get_buddies():
 			self._add_buddy(buddy_model)
 
 		self._model.connect('buddy-added', self._buddy_added_cb)
 		self._model.connect('buddy-removed', self._buddy_removed_cb)
+		self._model.connect('buddy-moved', self._buddy_moved_cb)
 
 		for activity_model in self._model.get_activities():
 			self._add_activity(activity_model)
@@ -53,6 +79,9 @@ class MeshGroup(goocanvas.Group):
 	def _buddy_removed_cb(self, model, buddy_model):
 		self._remove_buddy(buddy_model) 
 
+	def _buddy_moved_cb(self, model, buddy_model, activity_model):
+		self._move_buddy(buddy_model, activity_model)
+
 	def _activity_added_cb(self, model, activity_model):
 		self._add_activity(activity_model)
 
@@ -70,8 +99,28 @@ class MeshGroup(goocanvas.Group):
 	def _remove_buddy(self, buddy_model):
 		icon = self._buddies[buddy_model.get_name()]
 		self.remove_child(icon)
+		self._layout.remove_icon(icon)
 		del self._buddies[buddy_model.get_name()]
 
+	def _move_buddy(self, buddy_model, activity_model):
+		name = buddy_model.get_name()
+
+		if self._buddies.has_key(name):
+			self._remove_buddy(buddy_model)
+		
+		for activity in self._activities.values():
+			if activity.has_buddy_icon(name):
+				activity.remove_buddy_icon(name)
+
+		if activity_model == None:
+			self.add_buddy(buddy_model)
+		else:
+			activity = self._activities[activity_model.get_id()]
+
+			icon = BuddyIcon(self._shell, self._menu_shell, buddy_model)
+			icon.props.size = 60
+			activity.add_buddy_icon(buddy_model.get_name(), icon)
+
 	def _add_activity(self, activity_model):
 		icon = ActivityView(self._shell, self._menu_shell, activity_model)
 		self.add_child(icon)
@@ -82,4 +131,5 @@ class MeshGroup(goocanvas.Group):
 	def _remove_activity(self, activity_model):
 		icon = self._activities[activity_model.get_id()]
 		self.remove_child(icon)
+		self._layout.remove_icon(icon)
 		del self._activities[activity_model.get_id()]