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homework5.html chunked up with authoring information
1: \label{Authoring_ExternalResponse}
2:
3:
4: \textbf{externalresponse} is an advanced type of response tag that
5: implements the ability to have an external program grade a response.
6: It expects either a \textbf{textline} or \textbf{textfield} inside
7: the tag. Possible attributes are:
8:
9: \begin{itemize}
10: \item \textbf{url}\index{url}: the url to submit the answer form to. Does
11: not need to be a LON-CAPA machine.
12: \item \textbf{answer}\index{answer}: a string or scalar variable that can
13: encode something that should encode the correct answer. In some cases
14: this may be nothing.
15: \item \textbf{form}\index{form}: a hash variable name that will be submitted
16: to the remote site as a HTTP form.
17: \end{itemize}
18: The response of the remote server needs to be in XML as follows:
19:
20: \begin{itemize}
21: \item \textbf{loncapagrade}\index{loncapagrade}: takes no attributes, but
22: must surround the response.
23: \item \textbf{awardetail}\index{awardetail}: required. The delimited text
24: inside must be one of the detailed results that appears in the data
25: storage documentation. CVS:loncapa/doc/homework/datastorage, look
26: for \textbf{resource.partid.responseid.awarddetail}.
27: \item \textbf{message}\index{message}: optional message to have shown to
28: the student
29: \end{itemize}
30: Example: \begin{verbatim} <loncapagrade>
31: <awardetail>INCORRECT</awardetail>
32: <message>
33: A message to be shown to the students
34: </message>
35: </loncapagrade>
36: \end{verbatim}
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