116 lines
3.4 KiB
Python
116 lines
3.4 KiB
Python
# encoding: utf-8
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"""
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lxml custom element classes for shape-related XML elements.
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"""
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from __future__ import absolute_import
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from .. import parse_xml
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from ..ns import nsdecls
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from .shared import BaseShapeElement
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from ..simpletypes import ST_DrawingElementId, XsdUnsignedInt
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from ..xmlchemy import BaseOxmlElement, OneAndOnlyOne, RequiredAttribute, ZeroOrOne
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class CT_Connection(BaseShapeElement):
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"""
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A `a:stCxn` or `a:endCxn` element specifying a connection between
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an end-point of a connector and a shape connection point.
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"""
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id = RequiredAttribute("id", ST_DrawingElementId)
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idx = RequiredAttribute("idx", XsdUnsignedInt)
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class CT_Connector(BaseShapeElement):
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"""
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A line/connector shape ``<p:cxnSp>`` element
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"""
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_tag_seq = ("p:nvCxnSpPr", "p:spPr", "p:style", "p:extLst")
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nvCxnSpPr = OneAndOnlyOne("p:nvCxnSpPr")
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spPr = OneAndOnlyOne("p:spPr")
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del _tag_seq
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@classmethod
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def new_cxnSp(cls, id_, name, prst, x, y, cx, cy, flipH, flipV):
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"""
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Return a new ``<p:cxnSp>`` element tree configured as a base
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connector.
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"""
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tmpl = cls._cxnSp_tmpl()
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flip = (' flipH="1"' if flipH else "") + (' flipV="1"' if flipV else "")
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xml = tmpl.format(
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**{
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"nsdecls": nsdecls("a", "p"),
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"id": id_,
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"name": name,
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"x": x,
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"y": y,
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"cx": cx,
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"cy": cy,
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"prst": prst,
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"flip": flip,
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}
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)
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return parse_xml(xml)
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@staticmethod
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def _cxnSp_tmpl():
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return (
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"<p:cxnSp {nsdecls}>\n"
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" <p:nvCxnSpPr>\n"
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' <p:cNvPr id="{id}" name="{name}"/>\n'
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" <p:cNvCxnSpPr/>\n"
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" <p:nvPr/>\n"
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" </p:nvCxnSpPr>\n"
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" <p:spPr>\n"
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" <a:xfrm{flip}>\n"
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' <a:off x="{x}" y="{y}"/>\n'
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' <a:ext cx="{cx}" cy="{cy}"/>\n'
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" </a:xfrm>\n"
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' <a:prstGeom prst="{prst}">\n'
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" <a:avLst/>\n"
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" </a:prstGeom>\n"
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" </p:spPr>\n"
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" <p:style>\n"
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' <a:lnRef idx="2">\n'
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' <a:schemeClr val="accent1"/>\n'
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" </a:lnRef>\n"
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' <a:fillRef idx="0">\n'
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' <a:schemeClr val="accent1"/>\n'
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" </a:fillRef>\n"
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' <a:effectRef idx="1">\n'
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' <a:schemeClr val="accent1"/>\n'
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" </a:effectRef>\n"
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' <a:fontRef idx="minor">\n'
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' <a:schemeClr val="tx1"/>\n'
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" </a:fontRef>\n"
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" </p:style>\n"
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"</p:cxnSp>"
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)
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class CT_ConnectorNonVisual(BaseOxmlElement):
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"""
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``<p:nvCxnSpPr>`` element, container for the non-visual properties of
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a connector, such as name, id, etc.
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"""
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cNvPr = OneAndOnlyOne("p:cNvPr")
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cNvCxnSpPr = OneAndOnlyOne("p:cNvCxnSpPr")
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nvPr = OneAndOnlyOne("p:nvPr")
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class CT_NonVisualConnectorProperties(BaseOxmlElement):
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"""
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`p:cNvCxnSpPr` element, container for the non-visual properties specific
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to a connector shape, such as connections and connector locking.
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"""
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_tag_seq = ("a:cxnSpLocks", "a:stCxn", "a:endCxn", "a:extLst")
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stCxn = ZeroOrOne("a:stCxn", successors=_tag_seq[2:])
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endCxn = ZeroOrOne("a:endCxn", successors=_tag_seq[3:])
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del _tag_seq
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