75 lines
2.1 KiB
Python
75 lines
2.1 KiB
Python
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# encoding: utf-8
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"""
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Marker-related objects. Only the line-type charts Line, XY, and Radar have
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markers.
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"""
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from __future__ import absolute_import, division, print_function, unicode_literals
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from ..dml.chtfmt import ChartFormat
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from ..shared import ElementProxy
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from ..util import lazyproperty
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class Marker(ElementProxy):
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"""
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Represents a data point marker, such as a diamond or circle, on
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a line-type chart.
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"""
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__slots__ = ("_format",)
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@lazyproperty
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def format(self):
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"""
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The |ChartFormat| instance for this marker, providing access to shape
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properties such as fill and line.
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"""
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marker = self._element.get_or_add_marker()
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return ChartFormat(marker)
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@property
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def size(self):
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"""
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An integer between 2 and 72 inclusive indicating the size of this
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marker in points. A value of |None| indicates no explicit value is
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set and the size is inherited from a higher-level setting or the
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PowerPoint default (which may be 9). Assigning |None| removes any
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explicitly assigned size, causing this value to be inherited.
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"""
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marker = self._element.marker
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if marker is None:
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return None
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return marker.size_val
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@size.setter
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def size(self, value):
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marker = self._element.get_or_add_marker()
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marker._remove_size()
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if value is None:
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return
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size = marker._add_size()
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size.val = value
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@property
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def style(self):
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"""
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A member of the :ref:`XlMarkerStyle` enumeration indicating the shape
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of this marker. Returns |None| if no explicit style has been set,
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which corresponds to the "Automatic" option in the PowerPoint UI.
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"""
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marker = self._element.marker
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if marker is None:
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return None
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return marker.symbol_val
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@style.setter
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def style(self, value):
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marker = self._element.get_or_add_marker()
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marker._remove_symbol()
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if value is None:
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return
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symbol = marker._add_symbol()
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symbol.val = value
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