PCQRSCANER/venv/Lib/site-packages/xlsxwriter/chart_line.py

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2019-12-22 21:51:47 +01:00
###############################################################################
#
# ChartLine - A class for writing the Excel XLSX Line charts.
#
# Copyright 2013-2019, John McNamara, jmcnamara@cpan.org
#
from . import chart
class ChartLine(chart.Chart):
"""
A class for writing the Excel XLSX Line charts.
"""
###########################################################################
#
# Public API.
#
###########################################################################
def __init__(self, options=None):
"""
Constructor.
"""
super(ChartLine, self).__init__()
self.default_marker = {'type': 'none'}
self.smooth_allowed = True
# Set the available data label positions for this chart type.
self.label_position_default = 'right'
self.label_positions = {
'center': 'ctr',
'right': 'r',
'left': 'l',
'above': 't',
'below': 'b',
# For backward compatibility.
'top': 't',
'bottom': 'b'}
###########################################################################
#
# Private API.
#
###########################################################################
def _write_chart_type(self, args):
# Override the virtual superclass method with a chart specific method.
# Write the c:lineChart element.
self._write_line_chart(args)
###########################################################################
#
# XML methods.
#
###########################################################################
def _write_line_chart(self, args):
# Write the <c:lineChart> element.
if args['primary_axes']:
series = self._get_primary_axes_series()
else:
series = self._get_secondary_axes_series()
if not len(series):
return
self._xml_start_tag('c:lineChart')
# Write the c:grouping element.
self._write_grouping('standard')
# Write the series elements.
for data in series:
self._write_ser(data)
# Write the c:dropLines element.
self._write_drop_lines()
# Write the c:hiLowLines element.
self._write_hi_low_lines()
# Write the c:upDownBars element.
self._write_up_down_bars()
# Write the c:marker element.
self._write_marker_value()
# Write the c:axId elements
self._write_axis_ids(args)
self._xml_end_tag('c:lineChart')
def _write_d_pt_point(self, index, point):
# Write an individual <c:dPt> element. Override the parent method to
# add markers.
self._xml_start_tag('c:dPt')
# Write the c:idx element.
self._write_idx(index)
self._xml_start_tag('c:marker')
# Write the c:spPr element.
self._write_sp_pr(point)
self._xml_end_tag('c:marker')
self._xml_end_tag('c:dPt')
def _write_marker_value(self):
# Write the <c:marker> element without a sub-element.
attributes = [('val', 1)]
self._xml_empty_tag('c:marker', attributes)