Added RDBMS info

Canonical names to forced to lowercase
Made user model compatible to other DBs
CSS adjustments
Basic Firepad support (no presence info)
Cleaned up JS a bit
Added ability to remove draft from localstorage
Added support for drafts on multiple pages
Alert user if page changes, issue #1

realms/static/js/collaboration/firepad.js

@@ -0,0 +1,52 @@
+// Helper to get hash from end of URL or generate a random one.
+function getExampleRef() {
+  var ref = new Firebase('https://' + Config['FIREBASE_HOSTNAME']);
+  var hash = window.location.hash.replace(/^#fp-/, '');
+  if (hash) {
+    ref = ref.child(hash);
+  } else {
+    ref = ref.push(); // generate unique location.
+    window.location = window.location + '#fp-' + ref.name(); // add it as a hash to the URL.
+  }
+  return ref;
+}
+
+function initFirepad() {
+  var new_ = true;
+  if (window.location.hash.lastIndexOf('#fp-', 0) === 0) {
+    new_ = false;
+  }
+  var firepadRef = getExampleRef();
+  var session = aced.editor.session;
+  var content;
+
+  if (new_) {
+    content = session.getValue();
+  }
+
+  // Firepad wants an empty editor
+  session.setValue('');
+
+  //// Create Firepad.
+  var firepad = Firepad.fromACE(firepadRef, aced.editor, {
+    defaultText: content
+  });
+
+  firepad.on('ready', function() {
+    startCollaboration();
+  });
+
+  $(document).on('end-collaboration', function() {
+    firepad.dispose();
+  });
+}
+
+$(document).on('loading-collaboration', function() {
+  initFirepad(true);
+});
+
+$(function(){
+  if (window.location.hash.lastIndexOf('#fp-', 0) === 0) {
+    loadingCollaboration();
+  }
+});

realms/static/js/collaboration/main.js

@@ -0,0 +1,36 @@
+var $startCollaborationBtn = $('#start-collaboration');
+var $endCollaborationBtn = $('#end-collaboration');
+var $loadingCollaborationBtn = $('#loading-collaboration');
+
+function loadingCollaboration() {
+  $endCollaborationBtn.hide();
+  $startCollaborationBtn.hide();
+  $loadingCollaborationBtn.show();
+  $(document).trigger('loading-collaboration');
+}
+
+function startCollaboration() {
+  $loadingCollaborationBtn.hide();
+  $startCollaborationBtn.hide();
+  $endCollaborationBtn.show();
+  $(document).trigger('start-collaboration');
+}
+
+function endCollaboration() {
+  $loadingCollaborationBtn.hide();
+  $endCollaborationBtn.hide();
+  $startCollaborationBtn.show();
+  $(document).trigger('end-collaboration');
+}
+
+$(function() {
+  $startCollaborationBtn.click(function(e) {
+    loadingCollaboration();
+    e.preventDefault();
+  });
+  $endCollaborationBtn.click(function(e) {
+    endCollaboration();
+    e.preventDefault();
+
+  });
+});

realms/static/js/collaboration/togetherjs.js

@@ -0,0 +1,28 @@
+$(document).on('loading-collaboration', function() {
+  TogetherJS();
+});
+
+$(document).on('end-collaboration', function() {
+  TogetherJS();
+});
+
+TogetherJSConfig_toolName = "Collaboration";
+TogetherJSConfig_suppressJoinConfirmation = true;
+
+if (User.is_authenticated) {
+  TogetherJSConfig_getUserName = function () {
+    return User.username;
+  };
+
+  TogetherJSConfig_getUserAvatar = function () {
+    return User.avatar;
+  };
+}
+
+TogetherJSConfig_on_ready = function () {
+  startCollaboration();
+};
+
+TogetherJSConfig_on_close = function () {
+  //endCollaboration();
+};