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Viewing changes to www/apps/tutorial/__init__.py

  • Committer: mattgiuca
  • Date: 2008-03-28 06:58:51 UTC
  • Revision ID: svn-v3-trunk0:2b9c9e99-6f39-0410-b283-7f802c844ae2:trunk:715
Tutorial: Added "Reset" button to exercises, so you can get back to the
original "partial solution".
    tutorial/init.py: Stores the backed up text hidden in the HTML so it can
    be retrieved by the client at will.
        Added reset button which calls JavaScript.
    tutorial.js: Added resetexercise function (event handler for reset button)
        which replaces the user code with the stored backed up partial soln.

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Lines of Context:
www/apps/tutorial/__init__.py
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                exercisedesc = rst(innerXML(elem).strip())
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            if elem.tagName == "partial":
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                exercisepartial= getTextData(elem) + '\n'
 
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    exercisepartial_backup = exercisepartial
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    # If the user has already saved some text for this problem, or submitted
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    # an attempt, then use that text instead of the supplied "partial".
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        req.write("<div>%s</div>\n" % exercisedesc)
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    filename = cgi.escape(cjson.encode(exercisesrc), quote=True)
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    exercisepartial = cgi.escape(exercisepartial)
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    req.write('<textarea id="textarea_exercise%d" class="exercisebox" '
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        'onkeypress="return catch_textbox_input(&quot;exercise%d&quot;, %s, '
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            'event.keyCode)" '
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        'onchange="set_saved_status(&quot;exercise%d&quot;, %s, '
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            '&quot;Save&quot;)" '
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        'cols="80" rows="%s">%s</textarea>'
 
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    req.write("""<input id="input_resettext_exercise%d" type="hidden"
 
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    value="%s" />"""
 
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        % (exerciseid, exercisepartial_backup))
 
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    req.write("""<textarea id="textarea_exercise%d" class="exercisebox"
 
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    onkeypress="return catch_textbox_input(&quot;exercise%d&quot;, %s,
 
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        event.keyCode)"
 
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    onchange="set_saved_status(&quot;exercise%d&quot;, %s,
 
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        &quot;Save&quot;)"
 
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    cols="80" rows="%s">%s</textarea>"""
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        % (exerciseid, exerciseid, filename, exerciseid, filename,
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            rows, exercisepartial))
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    req.write("""\n<div class="exercisebuttons">
 
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  <input type="button" value="Reset"
 
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    id="resetbutton_exercise%d"
 
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    onclick="resetexercise(&quot;exercise%d&quot;, %s)"
 
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    title="Reload the original partial solution for this exercise" />
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  <input type="button" value="Saved" disabled="disabled"
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    id="savebutton_exercise%d"
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    onclick="saveexercise(&quot;exercise%d&quot;, %s)"
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</div>
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<div class="testoutput">
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</div>
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""" % (exerciseid, exerciseid, filename, exerciseid, filename,
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       exerciseid, exerciseid, filename))
 
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""" % (exerciseid, exerciseid, filename, exerciseid, exerciseid, filename,
 
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        exerciseid, filename,
 
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        exerciseid, exerciseid, filename))
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    # Write the "summary" - whether this problem is complete and how many
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    # attempts it has taken.
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    req.write("""<div class="problem_summary">