def get_or_add_off(self):
"""
Return the <a:off> child element, newly added if not already
present.
"""
off = self.off
if off is None:
off = Element('a:off')
off.set('x', '0')
off.set('y', '0')
self.insert(0, off)
return off
def get_or_add_ext(self):
"""
Return the <a:ext> child element, newly added if not already
present.
"""
ext = self.ext
if ext is None:
ext = Element('a:ext')
ext.set('cx', '0')
ext.set('cy', '0')
self.append(ext)
return ext
def add_hlinkClick(self, rId):
"""
Add an <a:hlinkClick> child element with r:id attribute set to *rId*.
"""
assert self.find(qn("a:hlinkClick")) is None
hlinkClick = Element("a:hlinkClick", nsmap("a", "r"))
hlinkClick.set(qn("r:id"), rId)
# find right insertion spot, will go away once xmlchemy comes in
if self.find(qn("a:hlinkMouseOver")):
successor = self.find(qn("a:hlinkMouseOver"))
successor.addprevious(hlinkClick)
elif self.find(qn("a:rtl")):
successor = self.find(qn("a:rtl"))
successor.addprevious(hlinkClick)
elif self.find(qn("a:extLst")):
successor = self.find(qn("a:extLst"))
successor.addprevious(hlinkClick)
else:
self.append(hlinkClick)
return hlinkClick
