Laying ground work for formula support. Adding Anant's content

.hgignore

@@ -2,3 +2,7 @@ syntax: glob
 *.pyc
 *~
 database.sqlite
+courseware/static/js/mathjax/*
+
+syntax: regexp
+

auth/models.py

@@ -3,6 +3,10 @@ from django.contrib.auth.models import User
 import uuid
 
 class UserProfile(models.Model):
+    ## CRITICAL TODO/SECURITY
+    # Sanitize all fields. 
+    # This is not visible to other users, but could introduce holes 
+    # later
     user = models.ForeignKey(User, unique=True, db_index=True)
     name = models.TextField(blank=True)
     language = models.TextField(blank=True)

auth/views.py

@@ -46,6 +46,22 @@ def logout_user(request):
     logout(request)
     return redirect('/')
 
+def change_setting(request):
+    if not request.user.is_authenticated():
+        return redirect('/')
+    up=UserProfile.objects.get(user=request.user)
+    if 'location' in request.GET:
+        print "loc"
+        up.location=request.GET['location']
+    if 'language' in request.GET:
+        print "lang"
+        up.language=request.GET['language']
+    up.save()
+
+    return HttpResponse(json.dumps({'success':True, 
+                                    'language':up.language,
+                                    'location':up.location,}))
+
 def create_account(request):
     js={'success':False}
     # Confirm we have a properly formed request

courseware/capa_module.py

@@ -49,7 +49,7 @@ class LoncapaModule(XModule):
             html = '<div id="main_{id}">'.format(id=self.item_id)+html+"</div>"
         return html
 
-    def get_js(self):
+    def get_init_js(self):
         return ""
 
     def __init__(self, xml, item_id, ajax_url=None, track_url=None, state=None):

courseware/capa_problem.py

@@ -37,7 +37,6 @@ class LoncapaProblem():
             seed will provide the random seed. Alternatively, passing
             context will bypass all script execution, and use the 
             given execution context.  '''
-        print "!!",filename, id
         if state!=None:
             state=json.loads(state)
         else:
@@ -65,25 +64,36 @@ class LoncapaProblem():
         
         g={'random':random,'numpy':numpy,'math':math,'scipy':scipy}
 
+        # Buffer stores HTML for problem
         buf=StringIO.StringIO()
         
         ot=False ## Are we in an outtext context? 
 
+        # Loop through the nodes of the problem, and 
         for e in dom.childNodes:
+            print e, ot
+            #
             if e.localName=='script':
+                print e.childNodes[0].data
                 exec e.childNodes[0].data in g,self.context
-            if e.localName=='endouttext':
+            elif e.localName=='endouttext':
                 ot=False
-            if ot:
+            elif ot:
+                print e, "::", e.toxml()
                 e.writexml(buf)
-            if e.localName=='startouttext':
+            elif e.localName=='startouttext':
                 ot=True
-            if e.localName in self.handlers:
+            elif e.localName in self.handlers:
                 problem=self.handlers[e.localName](self,e)
                 buf.write(problem)
+            elif e.localName==None:
+                pass
+            else: 
+                raise Exception("ERROR: UNRECOGNIZED XML"+e.localName)
 
         self.text=buf.getvalue()
         self.text=self.contextualize_text(self.text)
+        print self.text
         self.filename=filename
 
     done=False

courseware/static/js/mathjax/MathJax.js

+/*************************************************************
+ *
+ *  MathJax.js
+ *  
+ *  The main code for the MathJax math-typesetting library.  See 
+ *  http://www.mathjax.org/ for details.
+ *  
+ *  ---------------------------------------------------------------------
+ *  
+ *  Copyright (c) 2009-2010 Design Science, Inc.
+ * 
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+if (!window.MathJax) {window.MathJax = {}}
+
+MathJax.isPacked = true;
+
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this){if(!this.hasOwnProperty(i)){continue}if(typeof(h[i])==="undefined"&&i!=="newID"){delete this[i]}}for(i in h){if(!this.hasOwnProperty(i)){continue}if(typeof(this[i])==="undefined"||(this[i]!==h[i]&&i!=="inputID")){this[i]=h[i]}}}},{version:"1.1",directory:g.directory+"/element",extensionDir:g.extensionDir,ID:0,STATE:{PENDING:1,PROCESSED:2,UPDATE:3,OUTPUT:4},GetID:function(){this.ID++;return"MathJax-Element-"+this.ID},Subclass:function(){var h=g.Subclass.apply(this,arguments);h.loadComplete=this.prototype.loadComplete;return h}});b.ElementJax.prototype.STATE=b.ElementJax.STATE})("MathJax");(function(l){var f=window[l];if(!f){f=window[l]={}}var c=f.Hub;var q=c.Startup;var u=c.config;var e=document.getElementsByTagName("head")[0];if(!e){e=document.childNodes[0]}var b=(document.documentElement||document).getElementsByTagName("script");var d=new RegExp("(^|/)"+l+"\\.js(\\?.*)?$");for(var o=b.length-1;o>=0;o--){if(b[o].src.match(d)){q.script=b[o].innerHTML;if(RegExp.$2){var 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i(c.Browser)}return null}};var g=navigator.userAgent.replace(/^Mozilla\/(\d+\.)+\d+ /,"").replace(/[a-z][-a-z0-9._: ]+\/\d+[^ ]*-[^ ]*\.([a-z][a-z])?\d+ /i,"").replace(/Gentoo |Ubuntu\/(\d+\.)*\d+ (\([^)]*\) )?/,"");c.Browser=c.Insert(c.Insert(new String("Unknown"),{version:"0.0"}),a);for(var t in a){if(a.hasOwnProperty(t)){if(a[t]&&t.substr(0,2)==="is"){t=t.slice(2);if(t==="Mac"||t==="PC"){continue}c.Browser=c.Insert(new String(t),a);var p=new RegExp(".*(Version)/((?:\\d+\\.)+\\d+)|.*("+t+")"+(t=="MSIE"?" 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+

courseware/static/js/video_player.js

+// Things to abstract out to another file
+
+function postJSON(url, data, callback, csrf) {
+  $.ajax({
+    url: url,
+    dataType: 'json',
+    data: data,
+    success: callback
+  });
+}
+
+var global=5; 
+
+// Video player
+
 var load_id = 0;
 
 function caption_at(index) {
@@ -92,7 +107,16 @@ function onYouTubePlayerReady(playerId) {
 
 }
 
+function videoDestroy() {
+    load_id = 0;
+    // TODO/BUG: Figure out why removeEventListener doesn't work
+    ytplayer.removeEventListener("onStateChange", "onytplayerStateChange");
+    ytplayer.removeEventListener("onError", "onPlayerError");
+    ytplayer = false;
+}
+
 function log_event(e) {
+    // CRITICAL TODO: Change to AJAX
     //$("#eventlog").append("<br>");
     //$("#eventlog").append(JSON.stringify(e));
     window['console'].log(JSON.stringify(e));

courseware/views.py

@@ -95,7 +95,7 @@ def render_accordion(request,course,chapter,section):
                   ['course_name',course],
                   ['format_string',format_string]]+ \
                      template_imports.items())
-    return {'js':render_to_string('accordion_init.js',context), 
+    return {'init_js':render_to_string('accordion_init.js',context), 
             'content':render_to_string('accordion.html',context)}
 
 def video_mod(request, module):
@@ -103,7 +103,7 @@ def video_mod(request, module):
         OBSOLETE. Remove once x_module version confirmed
     '''
     id=module.getAttribute('youtube')
-    return {'js':render_to_string('video_init.js',{'id':id}), 
+    return {'init_js':render_to_string('video_init.js',{'id':id}), 
             'content':render_to_string('video.html',{'id':id})}
 
 def html_module(request, module):
@@ -118,9 +118,9 @@ def tab_module(request, module):
     contents=[(e.getAttribute("name"),render_module(request, e)) \
               for e in module.childNodes \
               if e.nodeType==1]
-    js="".join([e[1]['js'] for e in contents if 'js' in e[1]])
+    js="".join([e[1]['init_js'] for e in contents if 'init_js' in e[1]])
 
-    return {'js':render_to_string('tab_module.js',{'tabs':contents})+js, 
+    return {'init_js':render_to_string('tab_module.js',{'tabs':contents})+js, 
             'content':render_to_string('tab_module.html',{'tabs':contents})}
 
 def vertical_module(request, module):
@@ -129,9 +129,9 @@ def vertical_module(request, module):
     contents=[(e.getAttribute("name"),render_module(request, e)) \
               for e in module.childNodes \
               if e.nodeType==1]
-    js="".join([e[1]['js'] for e in contents if 'js' in e[1]])
+    js="".join([e[1]['init_js'] for e in contents if 'init_js' in e[1]])
 
-    return {'js':js, 
+    return {'init_js':js, 
             'content':render_to_string('vert_module.html',{'items':contents})}
 
 def seq_module(request, module):
@@ -141,22 +141,28 @@ def seq_module(request, module):
         # jsonify contents so it can be embedded in a js array
         # We also need to split </script> tags so they don't break
         # mid-string
-        if 'js' not in m: m['js']=""
+        if 'init_js' not in m: m['init_js']=""
         content=json.dumps(m['content']) 
         content=content.replace('</script>', '<"+"/script>') 
-        return {'content':content, 'js':m['js']}
+        return {'content':content, 'init_js':m['init_js']}
     contents=[(e.getAttribute("name"),j(render_module(request, e))) \
               for e in module.childNodes \
               if e.nodeType==1]
      
-    js="".join([e[1]['js'] for e in contents if 'js' in e[1]])
+    js="".join([e[1]['init_js'] for e in contents if 'init_js' in e[1]])
 
     iid=uuid.uuid1().hex
 
-    return {'js':js+render_to_string('seq_module.js',{'items':contents,
-                                                      'id':"seq"}),
-            'content':render_to_string('seq_module.html',{'items':contents,
-                                                          'id':"seq"})}
+    params={'items':contents,
+            'id':"seq"}
+
+    print module.nodeName
+    if module.nodeName == 'sequential':
+        return {'init_js':js+render_to_string('seq_module.js',params),
+                'content':render_to_string('seq_module.html',params)}
+    if module.nodeName == 'tab':
+        return {'init_js':js+render_to_string('tab_module.js',params),
+                'content':render_to_string('tab_module.html',params)}
 
 
 modx_modules={'problem':capa_module.LoncapaModule, 'video':video_module.VideoModule}
@@ -194,7 +200,7 @@ def render_x_module(request, xml_module):
                            xml=instance.xml)
     # Grab content
     content = {'content':instance.get_html(), 
-               'js':instance.get_js()}
+               'init_js':instance.get_init_js()}
 
     smod.save() # This may be optional (at least in the case of no instance in the dB)
 
@@ -221,7 +227,7 @@ def modx_dispatch(request, module=None, dispatch=None, id=None):
 
 module_types={'video':render_x_module,
               'html':html_module,
-              'tab':tab_module,
+              'tab':seq_module,
               'vertical':vertical_module,
               'sequential':seq_module,
               'problem':render_x_module,
@@ -265,10 +271,10 @@ def index(request, course="6.002 Spring 2012", chapter="Using the System", secti
 
     module=render_module(request, module)
 
-    if 'js' not in module:
-        module['js']=''
+    if 'init_js' not in module:
+        module['init_js']=''
 
-    context={'init':accordion['js']+module['js'],
+    context={'init':accordion['init_js']+module['init_js'],
              'accordion':accordion['content'],
              'content':module['content']}
     return render_to_response('courseware.html', context)

courseware/x_module.py

@@ -23,13 +23,16 @@ class XModule:
     def get_html(self):
         return "Unimplemented"
 
-    def get_js(self):
+    def get_init_js(self):
         ''' JavaScript code to be run when problem is shown. Be aware
         that this may happen several times on the same page
         (e.g. student switching tabs). Common functions should be put
         in the main course .js files for now. ''' 
         return ""
 
+    def get_destroy_js(self):
+        return ""
+
     def handle_ajax(self, dispatch, get):
         ''' dispatch is last part of the URL. 
             get is a dictionary-like object ''' 

urls.py

@@ -13,6 +13,7 @@ urlpatterns = patterns('',
     url(r'^modx/(?P<module>[^/]*)/(?P<id>[^/]*)/(?P<dispatch>[^/]*)$', 'courseware.views.modx_dispatch'), #reset_problem'),
     url(r'^courseware/$', 'courseware.views.index'),
     url(r'^profile$', 'courseware.views.profile'),
+    url(r'^change_setting$', 'auth.views.change_setting'),
 #    url(r'^admin/', include('django.contrib.admin.urls')),
 #    url(r'^accounts/register/$', 'registration.views.register', {'success_url':'/accounts/register/complete'}),
 #    url(r'^accounts/', include('registration.urls')),