def mimeData(indices):
"""QAbstractItemModel drag and drop required"""
assert indices.count()
if indices.count() != 1:
return 0
node = nodeFromIndex(indices.at(0))
if node:
mime_data = QMimeData()
xml_data = QByteArray()
writer = QXmlStreamWriter(xml_data)
self.writeNodeAndChildren(writer,node)
mime_data.setData(self.mime_type,QByteArray.qCompress(xml_data, self.maxCompression))
return mime_data
# end if
return 0
