Generated HTML

edit.html

<script type="text/javascript">ace.require("ace/ext/textarea").transformTextarea(document.getElementById("source")).getSession().setMode("ace/mode/java")</script>
<script type="text/javascript">ace.require("ace/ext/textarea").transformTextarea(document.getElementById("source")).getSession().setMode("ace/mode/java").getSession().setMode("ace/mode/java")</script>

submission.patch

diff --git a/sauce/widgets/submission.py b/sauce/widgets/submission.py
index e89fd1f..85a76da 100644
--- a/sauce/widgets/submission.py
+++ b/sauce/widgets/submission.py
@@ -7,6 +7,8 @@ Created on 17.03.2012
 import tw2.core as twc
 import tw2.bootstrap.forms as twbf
 
+import tw2.ace as twa
+
 try:
     from tw2.jqplugins.chosen import ChosenSingleSelectField as SingleSelectField
 except ImportError:
@@ -24,7 +26,7 @@ class SubmissionForm(twbf.HorizontalForm):
         help_text=u'An automatically generated filename may not meet the '\
         'language\'s requirements (e.g. the Java class name)',
         css_class='span3')
-    source = twbf.TextArea(placeholder=u'Paste your source code here',
+    source = twa.AceWidget(placeholder=u'Paste your source code here',
         css_class='span7', rows=10)
     source_file = twbf.FileField(css_class='span7')
 
@@ -34,4 +36,5 @@ class SubmissionForm(twbf.HorizontalForm):
 
     def prepare(self):
         self.child.c.language_id.options = [(l.id, l.name) for l in self.value.assignment.allowed_languages]
+        self.child.c.source.mode = self.value.language.name.lower()
         super(SubmissionForm, self).prepare()

submission.py

# -*- coding: utf-8 -*-
'''
Created on 17.03.2012

@author: moschlar
'''
import tw2.core as twc
import tw2.bootstrap.forms as twbf

import tw2.ace as twa

try:
    from tw2.jqplugins.chosen import ChosenSingleSelectField as SingleSelectField
except ImportError:
    from tw2.forms.bootstrap import SingleSelectField


class SubmissionForm(twbf.HorizontalForm):

    title = 'Submission'

    id = twbf.HiddenField(validator=twc.IntValidator)
    assignment_id = twbf.HiddenField(validator=twc.IntValidator)

    filename = twbf.TextField(placeholder=u'Enter a filename, if needed',
        help_text=u'An automatically generated filename may not meet the '\
        'language\'s requirements (e.g. the Java class name)',
        css_class='span3')
    source = twa.AceWidget(placeholder=u'Paste your source code here',
        css_class='span7', rows=10)
    source_file = twbf.FileField(css_class='span7')

    language_id = SingleSelectField(options=[], prompt_text=None,
        css_class='span3',
        required=True, validator=twc.IntValidator(required=True))

    def prepare(self):
        self.child.c.language_id.options = [(l.id, l.name) for l in self.value.assignment.allowed_languages]
        self.child.c.source.mode = self.value.language.name.lower()
        super(SubmissionForm, self).prepare()