import matplotlib.axes as maxes
from matplotlib.artist import Artist
from matplotlib.axis import XAxis, YAxis
[docs]class SimpleChainedObjects:
[docs] def __init__(self, objects):
self._objects = objects
[docs] def __getattr__(self, k):
_a = SimpleChainedObjects([getattr(a, k) for a in self._objects])
return _a
[docs] def __call__(self, *args, **kwargs):
for m in self._objects:
m(*args, **kwargs)
[docs]class Axes(maxes.Axes):
[docs] class AxisDict(dict):
[docs] def __init__(self, axes):
self.axes = axes
super().__init__()
[docs] def __getitem__(self, k):
if isinstance(k, tuple):
r = SimpleChainedObjects(
# super() within a list comprehension needs explicit args.
[super(Axes.AxisDict, self).__getitem__(k1) for k1 in k])
return r
elif isinstance(k, slice):
if k.start is None and k.stop is None and k.step is None:
return SimpleChainedObjects(list(self.values()))
else:
raise ValueError("Unsupported slice")
else:
return dict.__getitem__(self, k)
[docs] def __call__(self, *v, **kwargs):
return maxes.Axes.axis(self.axes, *v, **kwargs)
def _init_axis_artists(self, axes=None):
if axes is None:
axes = self
self._axislines = self.AxisDict(self)
self._axislines.update(
bottom=SimpleAxisArtist(self.xaxis, 1, self.spines["bottom"]),
top=SimpleAxisArtist(self.xaxis, 2, self.spines["top"]),
left=SimpleAxisArtist(self.yaxis, 1, self.spines["left"]),
right=SimpleAxisArtist(self.yaxis, 2, self.spines["right"]))
@property
def axis(self):
return self._axislines
[docs] def cla(self):
super().cla()
self._init_axis_artists()
[docs]class SimpleAxisArtist(Artist):
[docs] def __init__(self, axis, axisnum, spine):
self._axis = axis
self._axisnum = axisnum
self.line = spine
if isinstance(axis, XAxis):
self._axis_direction = ["bottom", "top"][axisnum-1]
elif isinstance(axis, YAxis):
self._axis_direction = ["left", "right"][axisnum-1]
else:
raise ValueError(
f"axis must be instance of XAxis or YAxis, but got {axis}")
Artist.__init__(self)
@property
def major_ticks(self):
tickline = "tick%dline" % self._axisnum
return SimpleChainedObjects([getattr(tick, tickline)
for tick in self._axis.get_major_ticks()])
@property
def major_ticklabels(self):
label = "label%d" % self._axisnum
return SimpleChainedObjects([getattr(tick, label)
for tick in self._axis.get_major_ticks()])
@property
def label(self):
return self._axis.label
[docs] def set_visible(self, b):
self.toggle(all=b)
self.line.set_visible(b)
self._axis.set_visible(True)
Artist.set_visible(self, b)
[docs] def set_label(self, txt):
self._axis.set_label_text(txt)
[docs] def toggle(self, all=None, ticks=None, ticklabels=None, label=None):
if all:
_ticks, _ticklabels, _label = True, True, True
elif all is not None:
_ticks, _ticklabels, _label = False, False, False
else:
_ticks, _ticklabels, _label = None, None, None
if ticks is not None:
_ticks = ticks
if ticklabels is not None:
_ticklabels = ticklabels
if label is not None:
_label = label
tickOn = "tick%dOn" % self._axisnum
labelOn = "label%dOn" % self._axisnum
if _ticks is not None:
tickparam = {tickOn: _ticks}
self._axis.set_tick_params(**tickparam)
if _ticklabels is not None:
tickparam = {labelOn: _ticklabels}
self._axis.set_tick_params(**tickparam)
if _label is not None:
pos = self._axis.get_label_position()
if (pos == self._axis_direction) and not _label:
self._axis.label.set_visible(False)
elif _label:
self._axis.label.set_visible(True)
self._axis.set_label_position(self._axis_direction)
