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Viewing changes to ivle/webapp/tutorial/__init__.py

Improve the worksheet/exercise authoring experience a little.

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ivle/webapp/tutorial/__init__.py
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        ctx['exercise_fragment'] = present_exercise(
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            req, self.context.id)['stream']
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        ctx['ExerciseEditView'] = ExerciseEditView
 
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        ctx['ExerciseDeleteView'] = ExerciseDeleteView
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class ExerciseEditView(XHTMLView):
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        ctx['var_types'] = {
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            'var': 'variable',
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            'arg': 'function argument',
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            'exception': 'exception',
 
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            # XXX: wgrant 2010-01-29 bug=514160: Need to
 
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            # restore support for this.
 
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            #'exception': 'exception',
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            }
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        ctx['part_types'] = {
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            'stdout': 'standard output',
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        # If post, delete the exercise, or display a message explaining that
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        # the exercise cannot be deleted
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        if req.method == 'POST':
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            ctx['method'] = 'POST'
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            try:
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                self.context.delete()
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                ctx['deleted'] = True
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            except:
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                ctx['deleted'] = False
 
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                self.template = 'templates/exercise_deleted.html'
 
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            except Exception:
 
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                self.template = 'templates/exercise_undeletable.html'
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        # If get, display a delete confirmation page
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        else:
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            ctx['method'] = 'GET'
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            if self.context.worksheet_exercises.count() is not 0:
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                ctx['has_worksheets'] = True
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            else:
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                ctx['has_worksheets'] = False
 
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                self.template = 'templates/exercise_undeletable.html'
 
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        # Variables for the template
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        ctx['exercise'] = self.context
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        ctx['path'] = "/+exercises/" + self.context.id + "/+delete"
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class ExerciseAddView(XHTMLView):
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    """View for creating a new exercise."""
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    def populate(self, req, ctx):
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        self.plugin_styles[Plugin] = ['exercise_admin.css']
 
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        ctx['req'] = req
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        ctx['exercises'] = req.store.find(Exercise).order_by(Exercise.id)
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        ctx['mediapath'] = media_url(req, Plugin, 'images/')
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class Plugin(ViewPlugin, MediaPlugin):