import random import goocanvas from sugar.canvas.IconItem import IconItem class Model(goocanvas.CanvasModelSimple): def __init__(self, data_model): goocanvas.CanvasModelSimple.__init__(self) root = self.get_root_item() item = goocanvas.Rect(width=1200, height=900, fill_color="#d8d8d8") root.add_child(item) for friend in data_model: self.add_friend(friend) data_model.connect('friend-added', self.__friend_added_cb) def add_friend(self, friend): root = self.get_root_item() icon = IconItem('stock-buddy', 'green', 48) icon.set_property('x', random.random() * 1100) icon.set_property('y', random.random() * 800) root.add_child(icon) def __friend_added_cb(self, data_model, friend): self.add_friend(friend) class FriendsView(goocanvas.CanvasView): def __init__(self, shell, data_model): goocanvas.CanvasView.__init__(self) self._shell = shell self.connect("item_view_created", self.__item_view_created_cb) canvas_model = Model(data_model) self.set_model(canvas_model) def __item_view_created_cb(self, view, item_view, item): pass