Filesubmission frontend

common/lib/capa/capa/capa_problem.py

@@ -39,7 +39,7 @@ import responsetypes
 # dict of tagname, Response Class -- this should come from auto-registering
 response_tag_dict = dict([(x.response_tag, x) for x in responsetypes.__all__])
 
-entry_types = ['textline', 'schematic', 'textbox', 'imageinput', 'optioninput', 'choicegroup', 'radiogroup', 'checkboxgroup']
+entry_types = ['textline', 'schematic', 'textbox', 'imageinput', 'optioninput', 'choicegroup', 'radiogroup', 'checkboxgroup', 'filesubmission']
 solution_types = ['solution']    			# extra things displayed after "show answers" is pressed
 response_properties = ["responseparam", "answer"]    	# these get captured as student responses
 

common/lib/capa/capa/inputtypes.py

@@ -300,6 +300,19 @@ def textline_dynamath(element, value, status, render_template, msg=''):
 
 
 #-----------------------------------------------------------------------------
+@register_render_function
+def filesubmission(element, value, status, render_template, msg=''):
+    '''
+    Upload a single file (e.g. for programming assignments)
+    '''
+    eid = element.get('id')
+
+    context = {'id': eid, }
+    html = render_template("filesubmission.html", context)
+    return etree.XML(html) 
+
+
+#-----------------------------------------------------------------------------
 ## TODO: Make a wrapper for <codeinput>
 @register_render_function
 def textbox(element, value, status, render_template, msg=''):

common/lib/capa/capa/responsetypes.py

@@ -805,7 +805,7 @@ class CodeResponse(LoncapaResponse):
     '''
 
     response_tag = 'coderesponse'
-    allowed_inputfields = ['textline', 'textbox']
+    allowed_inputfields = ['textbox', 'filesubmission']
     max_inputfields = 1
 
     def setup_response(self):

common/lib/capa/capa/templates/filesubmission.html

+<section id="filesubmission_${id}" class="filesubmission">
+    <input type="file" name="input_${id}" id="input_${id}" /><br />
+</section>

common/lib/xmodule/xmodule/js/src/capa/display.coffee

@@ -13,7 +13,7 @@ class @Problem
     MathJax.Hub.Queue ["Typeset", MathJax.Hub]
     window.update_schematics()
     @$('section.action input:button').click @refreshAnswers
-    @$('section.action input.check').click @check
+    @$('section.action input.check').click @check_fd
     @$('section.action input.reset').click @reset
     @$('section.action input.show').click @show
     @$('section.action input.save').click @save
@@ -45,6 +45,38 @@ class @Problem
       $('head')[0].appendChild(s[0])
       $(placeholder).remove()
 
+  check_fd: =>
+    Logger.log 'problem_check', @answers
+
+    if not window.FormData
+      alert "Sorry, your browser does not support file uploads. If you can, please use Chrome or Safari which have been verified to support this feature."
+      return
+
+    fd = new FormData()
+
+    # For each file input, allow a single file submission,
+    #   routed to Django 'request.FILES'
+    @$('input:file').each (index, element) ->
+      fd.append(element.id, element.files[0])
+
+    # Simple (non-file) answers,
+    #   routed to Django 'request.POST'
+    fd.append('answers', @answers)
+
+    settings = 
+      type: "POST"
+      data: fd
+      processData: false
+      contentType: false
+      success: (response) -> 
+        switch response.success
+          when 'incorrect', 'correct'
+            @render(response.contents)
+            @updateProgress response
+          else
+            alert(response.success)
+    $.ajaxWithPrefix("#{@url}/problem_check", settings)
+
   check: =>
     Logger.log 'problem_check', @answers
     $.postWithPrefix "#{@url}/problem_check", @answers, (response) =>

lms/djangoapps/courseware/module_render.py

@@ -270,6 +270,16 @@ def modx_dispatch(request, dispatch=None, id=None):
       - id -- the module id. Used to look up the XModule instance
     '''
     # ''' (fix emacs broken parsing)
+    
+    print '  THK: module_render.modx_dispatch'
+    print dispatch
+    print request.POST.keys()
+    print request.FILES.keys()
+    if request.POST.has_key('answers'):
+        print request.POST['answers']
+    for filename in request.FILES.keys():
+        uploadedFile = request.FILES.get(filename)
+        print uploadedFile.read()
 
     student_module_cache = StudentModuleCache(request.user, modulestore().get_item(id))
     instance, instance_module, shared_module, module_type = get_module(request.user, request, id, student_module_cache)