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Authoring_ExternalResponse.tex
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Tue Sep 11 19:21:57 2007 UTC (16 years, 11 months ago) by
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- BUG#5419 - fix the documentation of externalresponse
- add more information about what is POSTed
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}: url to submit the answer form to. It does
11: not need to be a LON-CAPA machine.
12: \item \textbf{answer}\index{answer}: data to post in the form element
13: \texttt{LONCAPA\_correct\_answer} to the remote site.
14: \item \textbf{form}\index{form}: hash variable name that will be submitted
15: to the remote site as a HTTP form.
16: \end{itemize}
17:
18: The form sent will consist of
19: \begin{itemize}
20: \item \textbf{LONCAPA\_student\_response} full text of
21: what the student entered in the entry field
22: \item \textbf{LONCAPA\_correct\_answer} contents of the answer
23: attribute
24: \item \textbf{LONCAPA\_language} specified language encoding
25: of the requesting resource
26: \item \textbf{all items in the form attribute} if any of these clash with the
27: above, the above values will overwite the value in the form attribute
28: \end{itemize}
29:
30: The response of the remote server needs to be in XML as follows:
31:
32: \begin{itemize}
33: \item \textbf{loncapagrade}\index{loncapagrade}: takes no attributes, but
34: must surround the response.
35: \item \textbf{awarddetail}\index{awarddetail}: required. The delimited text
36: inside must be one of the detailed results that appears in the data
37: storage documentation. CVS:loncapa/doc/homework/datastorage, look
38: for \textbf{resource.partid.responseid.awarddetail}.
39: \item \textbf{message}\index{message}: optional message to have shown to
40: the student.
41: \end{itemize}
42: Example: \begin{verbatim} <loncapagrade>
43: <awarddetail>INCORRECT</awarddetail>
44: <message>
45: A message to be shown to the students
46: </message>
47: </loncapagrade>
48: \end{verbatim}
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