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113 lines
3.4 KiB
113 lines
3.4 KiB
# Copyright (c) 2010-2022 openpyxl
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from openpyxl.descriptors import (
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Alias,
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Sequence,
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Integer
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)
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from openpyxl.descriptors.serialisable import Serialisable
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from openpyxl.descriptors.nested import (
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NestedValue,
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NestedBool,
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NestedNoneSet,
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NestedMinMax,
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NestedString,
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NestedInteger,
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NestedFloat,
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)
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from .colors import ColorDescriptor, Color, BLACK
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from openpyxl.compat import safe_string
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from openpyxl.xml.functions import Element, SubElement
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from openpyxl.xml.constants import SHEET_MAIN_NS
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def _no_value(tagname, value, namespace=None):
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if value:
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return Element(tagname, val=safe_string(value))
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class Font(Serialisable):
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"""Font options used in styles."""
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UNDERLINE_DOUBLE = 'double'
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UNDERLINE_DOUBLE_ACCOUNTING = 'doubleAccounting'
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UNDERLINE_SINGLE = 'single'
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UNDERLINE_SINGLE_ACCOUNTING = 'singleAccounting'
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name = NestedString(allow_none=True)
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charset = NestedInteger(allow_none=True)
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family = NestedMinMax(min=0, max=14, allow_none=True)
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sz = NestedFloat(allow_none=True)
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size = Alias("sz")
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b = NestedBool(to_tree=_no_value)
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bold = Alias("b")
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i = NestedBool(to_tree=_no_value)
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italic = Alias("i")
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strike = NestedBool(allow_none=True)
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strikethrough = Alias("strike")
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outline = NestedBool(allow_none=True)
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shadow = NestedBool(allow_none=True)
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condense = NestedBool(allow_none=True)
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extend = NestedBool(allow_none=True)
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u = NestedNoneSet(values=('single', 'double', 'singleAccounting',
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'doubleAccounting'))
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underline = Alias("u")
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vertAlign = NestedNoneSet(values=('superscript', 'subscript', 'baseline'))
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color = ColorDescriptor(allow_none=True)
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scheme = NestedNoneSet(values=("major", "minor"))
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tagname = "font"
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__elements__ = ('name', 'charset', 'family', 'b', 'i', 'strike', 'outline',
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'shadow', 'condense', 'color', 'extend', 'sz', 'u', 'vertAlign',
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'scheme')
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def __init__(self, name=None, sz=None, b=None, i=None, charset=None,
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u=None, strike=None, color=None, scheme=None, family=None, size=None,
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bold=None, italic=None, strikethrough=None, underline=None,
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vertAlign=None, outline=None, shadow=None, condense=None,
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extend=None):
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self.name = name
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self.family = family
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if size is not None:
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sz = size
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self.sz = sz
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if bold is not None:
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b = bold
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self.b = b
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if italic is not None:
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i = italic
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self.i = i
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if underline is not None:
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u = underline
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self.u = u
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if strikethrough is not None:
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strike = strikethrough
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self.strike = strike
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self.color = color
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self.vertAlign = vertAlign
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self.charset = charset
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self.outline = outline
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self.shadow = shadow
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self.condense = condense
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self.extend = extend
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self.scheme = scheme
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@classmethod
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def from_tree(cls, node):
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"""
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Set default value for underline if child element is present
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"""
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underline = node.find("{%s}u" % SHEET_MAIN_NS)
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if underline is not None and underline.get('val') is None:
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underline.set("val", "single")
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return super(Font, cls).from_tree(node)
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DEFAULT_FONT = Font(name="Calibri", sz=11, family=2, b=False, i=False,
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color=Color(theme=1), scheme="minor")
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