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