67 lines
2.4 KiB
Python
67 lines
2.4 KiB
Python
# -*- coding: utf-8 -*-
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# This file is part of pygal
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#
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# A python svg graph plotting library
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# Copyright © 2012-2016 Kozea
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#
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# This library is free software: you can redistribute it and/or modify it under
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# the terms of the GNU Lesser General Public License as published by the Free
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# Software Foundation, either version 3 of the License, or (at your option) any
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# later version.
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#
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# This library is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with pygal. If not, see <http://www.gnu.org/licenses/>.
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"""Horizontal graph mixin"""
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from pygal.graph.graph import Graph
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from pygal.view import HorizontalLogView, HorizontalView
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class HorizontalGraph(Graph):
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"""Horizontal graph mixin"""
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def __init__(self, *args, **kwargs):
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"""Set the horizontal flag to True"""
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self.horizontal = True
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super(HorizontalGraph, self).__init__(*args, **kwargs)
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def _post_compute(self):
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"""After computations transpose labels"""
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self._x_labels, self._y_labels = self._y_labels, self._x_labels
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self._x_labels_major, self._y_labels_major = (
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self._y_labels_major, self._x_labels_major)
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self._x_2nd_labels, self._y_2nd_labels = (
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self._y_2nd_labels, self._x_2nd_labels)
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self.show_y_guides, self.show_x_guides = (
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self.show_x_guides, self.show_y_guides)
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def _axes(self):
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"""Set the _force_vertical flag when rendering axes"""
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self.view._force_vertical = True
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super(HorizontalGraph, self)._axes()
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self.view._force_vertical = False
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def _set_view(self):
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"""Assign a horizontal view to current graph"""
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if self.logarithmic:
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view_class = HorizontalLogView
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else:
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view_class = HorizontalView
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self.view = view_class(
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self.width - self.margin_box.x,
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self.height - self.margin_box.y,
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self._box)
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def _get_x_label(self, i):
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"""Convenience function to get the x_label of a value index"""
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if not self.x_labels or not self._y_labels or len(self._y_labels) <= i:
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return
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return self._y_labels[i][0]
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