Source code for openpyxl.chart.title

# Copyright (c) 2010-2019 openpyxl

from openpyxl.descriptors.serialisable import Serialisable
from openpyxl.descriptors import (
    Typed,
    Alias,
)

from openpyxl.descriptors.excel import ExtensionList
from openpyxl.descriptors.nested import NestedBool

from .text import Text, RichText
from .layout import Layout
from .shapes import GraphicalProperties

from openpyxl.drawing.text import (
    Paragraph,
    RegularTextRun,
    LineBreak,
    ParagraphProperties,
    CharacterProperties,
)


[docs]class Title(Serialisable): tagname = "title" tx = Typed(expected_type=Text, allow_none=True) text = Alias('tx') layout = Typed(expected_type=Layout, allow_none=True) overlay = NestedBool(allow_none=True) spPr = Typed(expected_type=GraphicalProperties, allow_none=True) graphicalProperties = Alias('spPr') txPr = Typed(expected_type=RichText, allow_none=True) body = Alias('txPr') extLst = Typed(expected_type=ExtensionList, allow_none=True) __elements__ = ('tx', 'layout', 'overlay', 'spPr', 'txPr') def __init__(self, tx=None, layout=None, overlay=None, spPr=None, txPr=None, extLst=None, ): if tx is None: tx = Text() self.tx = tx self.layout = layout self.overlay = overlay self.spPr = spPr self.txPr = txPr
[docs]def title_maker(text): title = Title() paraprops = ParagraphProperties() paraprops.defRPr = CharacterProperties() paras = [Paragraph(r=[RegularTextRun(t=s)], pPr=paraprops) for s in text.split("\n")] title.tx.rich.paragraphs = paras return title
[docs]class TitleDescriptor(Typed): expected_type = Title allow_none = True def __set__(self, instance, value): if isinstance(value, str): value = title_maker(value) super(TitleDescriptor, self).__set__(instance, value)