class Exchange(hippo.CanvasBox, ThemedWidgetMixin):
"""A renderer for stocks."""
def __init__(self, metainfo, env, pymodule=None, is_notitle=False, panel=None):
hippo.CanvasBox.__init__(self,
orientation=hippo.ORIENTATION_VERTICAL,
spacing=4)
self.__size = None
self.__metainfo = metainfo
self.__env = env
self.__pymodule = pymodule
self.__panel = panel
self.__ticker_text = None
self.__ticker_container = None
self.__mini_more_button = None
self.__sep = Separator()
self.append(self.__sep)
self.__expanded = True
if not is_notitle:
self.__ticker_container = Header()
self.__ticker_text = ThemedText(theme_hints=['header'], text=metainfo.title, font="14px Bold", xalign=hippo.ALIGNMENT_START)
self.__ticker_text.connect("button-press-event", lambda text, event: self.__toggle_expanded())
self.__ticker_container.append(self.__ticker_text, hippo.PACK_EXPAND)
if pymodule and pymodule.has_more_button():
more_button = HeaderButton()
more_button.connect("activated", lambda l: pymodule.on_more_clicked())
self.__ticker_container.append(more_button)
self.append(self.__ticker_container)
self.__stockbox = hippo.CanvasBox()
self.append(self.__stockbox)
if pymodule:
pymodule.connect('visible', self.__render_pymodule)
self.__render_pymodule()
else:
self.__render_google_gadget()
def on_delisted(self):
_logger.debug("on_delisted exchange %s" % (str(self)))
self.__unrender_pymodule()
def on_popped_out_changed(self, popped_out):
self.__pymodule.on_popped_out_changed(popped_out)
def __toggle_expanded(self):
self.__expanded = not self.__expanded
self.set_child_visible(self.__stockbox, self.__expanded)
def get_metainfo(self):
return self.__metainfo
def get_pymodule(self):
return self.__pymodule
def __render_google_gadget(self):
rendered = GoogleGadgetContainer(self.__metainfo, self.__env)
self.__stockbox.append(rendered)
def __render_pymodule(self, *args):
self.__size = size = Stock.SIZE_BULL
self.__stockbox.remove_all()
self.__pymodule.set_size(size)
content = self.__pymodule.get_content(size)
if self.__ticker_container:
self.set_child_visible(self.__ticker_container, not not content)
self.set_child_visible(self.__sep,
(not not content) and \
((self.__ticker_container and size == Stock.SIZE_BEAR) \
or (size == Stock.SIZE_BULL
and ((not self.__ticker_container) or (self.__pymodule.get_ticker() == "-")))))
if self.__mini_more_button:
self.set_child_visible(self.__mini_more_button, size == Stock.SIZE_BEAR)
self.set_child_visible(self.__stockbox, not not content)
if not content:
_logger.debug("no content for stock %s", self.__pymodule)
return
self.__stockbox.append(content)
padding = 4
self.__stockbox.set_property("padding_left", padding)
self.__stockbox.set_property("padding_right", padding)
if self.__ticker_text:
self.set_child_visible(self.__ticker_container, size == Stock.SIZE_BULL)
def __unrender_pymodule(self):
if not self.__pymodule:
_logger.debug("Not a pymodule exchange")
return
_logger.debug("delisting pymodule %s" % (str(self.__pymodule)))
self.__pymodule.on_delisted()
self.__pymodule = None
