96 lines
2.7 KiB
Python
96 lines
2.7 KiB
Python
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# encoding: utf-8
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"""
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Custom element classes for presentation-related XML elements.
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"""
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from __future__ import absolute_import, division, print_function, unicode_literals
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from .simpletypes import ST_SlideId, ST_SlideSizeCoordinate, XsdString
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from .xmlchemy import BaseOxmlElement, RequiredAttribute, ZeroOrOne, ZeroOrMore
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class CT_Presentation(BaseOxmlElement):
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"""
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``<p:presentation>`` element, root of the Presentation part stored as
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``/ppt/presentation.xml``.
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"""
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sldMasterIdLst = ZeroOrOne(
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"p:sldMasterIdLst",
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successors=(
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"p:notesMasterIdLst",
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"p:handoutMasterIdLst",
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"p:sldIdLst",
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"p:sldSz",
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"p:notesSz",
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),
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)
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sldIdLst = ZeroOrOne("p:sldIdLst", successors=("p:sldSz", "p:notesSz"))
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sldSz = ZeroOrOne("p:sldSz", successors=("p:notesSz",))
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class CT_SlideId(BaseOxmlElement):
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"""
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``<p:sldId>`` element, direct child of <p:sldIdLst> that contains an rId
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reference to a slide in the presentation.
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"""
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id = RequiredAttribute("id", ST_SlideId)
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rId = RequiredAttribute("r:id", XsdString)
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class CT_SlideIdList(BaseOxmlElement):
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"""
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``<p:sldIdLst>`` element, direct child of <p:presentation> that contains
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a list of the slide parts in the presentation.
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"""
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sldId = ZeroOrMore("p:sldId")
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def add_sldId(self, rId):
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"""
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Return a reference to a newly created <p:sldId> child element having
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its r:id attribute set to *rId*.
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"""
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return self._add_sldId(id=self._next_id, rId=rId)
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@property
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def _next_id(self):
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"""
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Return the next available slide ID as an int. Valid slide IDs start
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at 256. The next integer value greater than the max value in use is
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chosen, which minimizes that chance of reusing the id of a deleted
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slide.
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"""
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id_str_lst = self.xpath("./p:sldId/@id")
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return max([255] + [int(id_str) for id_str in id_str_lst]) + 1
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class CT_SlideMasterIdList(BaseOxmlElement):
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"""
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``<p:sldMasterIdLst>`` element, child of ``<p:presentation>`` containing
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references to the slide masters that belong to the presentation.
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"""
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sldMasterId = ZeroOrMore("p:sldMasterId")
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class CT_SlideMasterIdListEntry(BaseOxmlElement):
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"""
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``<p:sldMasterId>`` element, child of ``<p:sldMasterIdLst>`` containing
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a reference to a slide master.
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"""
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rId = RequiredAttribute("r:id", XsdString)
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class CT_SlideSize(BaseOxmlElement):
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"""
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``<p:sldSz>`` element, direct child of <p:presentation> that contains the
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width and height of slides in the presentation.
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"""
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cx = RequiredAttribute("cx", ST_SlideSizeCoordinate)
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cy = RequiredAttribute("cy", ST_SlideSizeCoordinate)
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