Use overlay api to access multi-axes by name

overlayed_dvlm
Tyler Goodlet 2022-01-21 08:30:00 -05:00
parent f5eb34c4d7
commit 7f4546b71f
1 changed files with 35 additions and 30 deletions

View File

@ -479,14 +479,20 @@ class LinkedSplits(QWidget):
axisItems=axes,
**cpw_kwargs,
)
cpw.hideAxis('left')
cpw.hideAxis('bottom')
if self.xaxis_chart:
self.xaxis_chart.hideAxis('bottom')
# presuming we only want it at the true bottom of all charts.
# XXX: uses new api from our ``pyqtgraph`` fork.
# https://github.com/pikers/pyqtgraph/tree/plotitemoverlay_onto_pg_master
_ = self.xaxis_chart.removeAxis('bottom', unlink=False)
assert 'bottom' not in self.xaxis_chart.plotItem.axes
# _ = self.xaxis_chart.removeAxis('bottom', unlink=False)
# assert 'bottom' not in self.xaxis_chart.plotItem.axes
self.xaxis_chart = cpw
cpw.showAxis('bottom')
if self.xaxis_chart is None:
self.xaxis_chart = cpw
@ -726,11 +732,6 @@ class ChartPlotWidget(pg.PlotWidget):
self._static_yrange = static_yrange # for "known y-range style"
self._view_mode: str = 'follow'
# show only right side axes
self.hideAxis('left')
self.showAxis('right')
# self.showAxis('left')
# show background grid
self.showGrid(x=False, y=True, alpha=0.3)
@ -862,55 +863,58 @@ class ChartPlotWidget(pg.PlotWidget):
def overlay_plotitem(
self,
name: str,
index: Optional[int] = None,
axis_title: Optional[str] = None,
axis_side: str = 'right',
axis_kwargs: dict = {},
) -> pg.PlotItem:
# Custom viewbox impl
cv = self.mk_vb(name)
cv.chart = self
# xaxis = DynamicDateAxis(
# orientation='bottom',
# linkedsplits=self.linked,
# )
allowed_sides = {'left', 'right'}
if axis_side not in allowed_sides:
raise ValueError(f'``axis_side``` must be in {allowed_sides}')
yaxis = PriceAxis(
orientation='right',
orientation=axis_side,
linkedsplits=self.linked,
**axis_kwargs,
)
plotitem = pg.PlotItem(
pi = pg.PlotItem(
parent=self.plotItem,
name=name,
enableMenu=False,
viewBox=cv,
axisItems={
# 'bottom': xaxis,
'right': yaxis,
axis_side: yaxis,
},
default_axes=[],
)
# plotitem.setAxisItems(
# add_to_layout=False,
# axisItems={
# 'bottom': xaxis,
# 'right': yaxis,
# },
# )
# plotite.hideAxis('right')
# plotite.hideAxis('bottom')
# plotitem.addItem(curve)
pi.hideButtons()
cv.enable_auto_yrange()
# plotitem.enableAutoRange(axis='y')
plotitem.hideButtons()
# compose this new plot's graphics with the current chart's
# existing one but with separate axes as neede and specified.
self.pi_overlay.add_plotitem(
plotitem,
pi,
index=index,
# only link x-axes,
link_axes=(0,),
)
return plotitem
# add axis title
# TODO: do we want this API to still work?
# raxis = pi.getAxis('right')
axis = self.pi_overlay.get_axis(pi, axis_side)
axis.set_title(axis_title or name, view=pi.getViewBox())
return pi
def draw_curve(
self,
@ -1016,7 +1020,8 @@ class ChartPlotWidget(pg.PlotWidget):
# add y-axis "last" value label
last = self._ysticks[name] = YAxisLabel(
chart=self,
parent=self.getAxis('right'),
# parent=self.getAxis('right'),
parent=self.pi_overlay.get_axis(self.plotItem, 'right'),
# TODO: pass this from symbol data
digits=digits,
opacity=1,