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Pass symbol type further down chart stack

basic_alerts
Tyler Goodlet 2021-01-04 14:46:47 -05:00
parent 4d6b1d4bb1
commit d0a3deae09
1 changed files with 19 additions and 11 deletions
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30
piker/ui/_chart.py
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@ -125,10 +125,9 @@ class ChartSpace(QtGui.QWidget):
# def init_strategy_ui(self): # def init_strategy_ui(self):
# self.strategy_box = StrategyBoxWidget(self) # self.strategy_box = StrategyBoxWidget(self)
# self.toolbar_layout.addWidget(self.strategy_box) # self.toolbar_layout.addWidget(self.strategy_box)
def load_symbol( def load_symbol(
self, self,
symbol: str, symbol: Symbol,
data: np.ndarray, data: np.ndarray,
ohlc: bool = True, ohlc: bool = True,
) -> None: ) -> None:
@ -148,16 +147,15 @@ class ChartSpace(QtGui.QWidget):
# self.symbol_label.setText(f'/`{symbol}`') # self.symbol_label.setText(f'/`{symbol}`')
linkedcharts = self._chart_cache.setdefault( linkedcharts = self._chart_cache.setdefault(
symbol, symbol.key,
LinkedSplitCharts() LinkedSplitCharts(symbol)
) )
s = Symbol(key=symbol)
# remove any existing plots # remove any existing plots
if not self.v_layout.isEmpty(): if not self.v_layout.isEmpty():
self.v_layout.removeWidget(linkedcharts) self.v_layout.removeWidget(linkedcharts)
main_chart = linkedcharts.plot_ohlc_main(s, data) main_chart = linkedcharts.plot_ohlc_main(symbol, data)
self.v_layout.addWidget(linkedcharts) self.v_layout.addWidget(linkedcharts)
@ -183,7 +181,10 @@ class LinkedSplitCharts(QtGui.QWidget):
zoomIsDisabled = QtCore.pyqtSignal(bool) zoomIsDisabled = QtCore.pyqtSignal(bool)
def __init__(self): def __init__(
self,
symbol: Symbol,
) -> None:
super().__init__() super().__init__()
self.signals_visible: bool = False self.signals_visible: bool = False
self._cursor: Cursor = None # crosshair graphics self._cursor: Cursor = None # crosshair graphics
@ -209,6 +210,13 @@ class LinkedSplitCharts(QtGui.QWidget):
self.layout.setContentsMargins(0, 0, 0, 0) self.layout.setContentsMargins(0, 0, 0, 0)
self.layout.addWidget(self.splitter) self.layout.addWidget(self.splitter)
# state tracker?
self._symbol: Symbol = symbol
@property
def symbol(self) -> Symbol:
return self._symbol
def set_split_sizes( def set_split_sizes(
self, self,
prop: float = 0.28 # proportion allocated to consumer subcharts prop: float = 0.28 # proportion allocated to consumer subcharts
@ -381,7 +389,6 @@ class ChartPlotWidget(pg.PlotWidget):
useOpenGL=True, useOpenGL=True,
**kwargs **kwargs
) )
self.name = name self.name = name
# self.setViewportMargins(0, 0, 0, 0) # self.setViewportMargins(0, 0, 0, 0)
@ -842,6 +849,8 @@ async def _async_main(
# historical data fetch # historical data fetch
brokermod = brokers.get_brokermod(brokername) brokermod = brokers.get_brokermod(brokername)
symbol = Symbol(sym, [brokername])
async with data.open_feed( async with data.open_feed(
brokername, brokername,
[sym], [sym],
@ -852,8 +861,7 @@ async def _async_main(
bars = ohlcv.array bars = ohlcv.array
# load in symbol's ohlc data # load in symbol's ohlc data
# await tractor.breakpoint() linked_charts, chart = chart_app.load_symbol(symbol, bars)
linked_charts, chart = chart_app.load_symbol(sym, bars)
# plot historical vwap if available # plot historical vwap if available
wap_in_history = False wap_in_history = False
@ -929,7 +937,7 @@ async def _async_main(
# spawn EMS actor-service # spawn EMS actor-service
router_send_chan = await n.start( router_send_chan = await n.start(
spawn_router_stream_alerts, spawn_router_stream_alerts,
sym, symbol,
) )
# wait for router to come up before setting # wait for router to come up before setting