101 lines
2.6 KiB
Python
101 lines
2.6 KiB
Python
|
###############################################################################
|
||
|
#
|
||
|
# ChartArea - A class for writing the Excel XLSX Area charts.
|
||
|
#
|
||
|
# Copyright 2013-2019, John McNamara, jmcnamara@cpan.org
|
||
|
#
|
||
|
|
||
|
from . import chart
|
||
|
|
||
|
|
||
|
class ChartArea(chart.Chart):
|
||
|
"""
|
||
|
A class for writing the Excel XLSX Area charts.
|
||
|
|
||
|
|
||
|
"""
|
||
|
|
||
|
###########################################################################
|
||
|
#
|
||
|
# Public API.
|
||
|
#
|
||
|
###########################################################################
|
||
|
|
||
|
def __init__(self, options=None):
|
||
|
"""
|
||
|
Constructor.
|
||
|
|
||
|
"""
|
||
|
super(ChartArea, self).__init__()
|
||
|
|
||
|
if options is None:
|
||
|
options = {}
|
||
|
|
||
|
self.subtype = options.get('subtype')
|
||
|
|
||
|
if not self.subtype:
|
||
|
self.subtype = 'standard'
|
||
|
|
||
|
self.cross_between = 'midCat'
|
||
|
self.show_crosses = 0
|
||
|
|
||
|
# Override and reset the default axis values.
|
||
|
if self.subtype == 'percent_stacked':
|
||
|
self.y_axis['defaults']['num_format'] = '0%'
|
||
|
|
||
|
# Set the available data label positions for this chart type.
|
||
|
self.label_position_default = 'center'
|
||
|
self.label_positions = {'center': 'ctr'}
|
||
|
|
||
|
self.set_y_axis({})
|
||
|
|
||
|
###########################################################################
|
||
|
#
|
||
|
# Private API.
|
||
|
#
|
||
|
###########################################################################
|
||
|
|
||
|
def _write_chart_type(self, args):
|
||
|
# Override the virtual superclass method with a chart specific method.
|
||
|
# Write the c:areaChart element.
|
||
|
self._write_area_chart(args)
|
||
|
|
||
|
###########################################################################
|
||
|
#
|
||
|
# XML methods.
|
||
|
#
|
||
|
###########################################################################
|
||
|
#
|
||
|
def _write_area_chart(self, args):
|
||
|
# Write the <c:areaChart> element.
|
||
|
|
||
|
if args['primary_axes']:
|
||
|
series = self._get_primary_axes_series()
|
||
|
else:
|
||
|
series = self._get_secondary_axes_series()
|
||
|
|
||
|
if not len(series):
|
||
|
return
|
||
|
|
||
|
subtype = self.subtype
|
||
|
|
||
|
if subtype == 'percent_stacked':
|
||
|
subtype = 'percentStacked'
|
||
|
|
||
|
self._xml_start_tag('c:areaChart')
|
||
|
|
||
|
# Write the c:grouping element.
|
||
|
self._write_grouping(subtype)
|
||
|
|
||
|
# Write the series elements.
|
||
|
for data in series:
|
||
|
self._write_ser(data)
|
||
|
|
||
|
# Write the c:dropLines element.
|
||
|
self._write_drop_lines()
|
||
|
|
||
|
# Write the c:axId elements
|
||
|
self._write_axis_ids(args)
|
||
|
|
||
|
self._xml_end_tag('c:areaChart')
|