Allow multiple client-side runtimes on a single page

Make XBlock client-side runtimes proper classes, so that handlerUrl can
be defined in a per-runtime way, and we can have multiple runtimes on a
single page.

[LMS-1630][LMS-1421][LMS-1517]

cms/static/coffee/spec/main.coffee

@@ -28,6 +28,7 @@ requirejs.config({
         "tinymce": "xmodule_js/common_static/js/vendor/tiny_mce/tiny_mce",
         "jquery.tinymce": "xmodule_js/common_static/js/vendor/tiny_mce/jquery.tinymce",
         "xmodule": "xmodule_js/src/xmodule",
+        "xblock/cms.runtime.v1": "coffee/src/xblock/cms.runtime.v1",
         "xblock": "xmodule_js/common_static/coffee/src/xblock",
         "utility": "xmodule_js/common_static/js/src/utility",
         "accessibility": "xmodule_js/common_static/js/src/accessibility_tools",

cms/static/coffee/spec/main_squire.coffee

@@ -27,6 +27,7 @@ requirejs.config({
         "tinymce": "xmodule_js/common_static/js/vendor/tiny_mce/tiny_mce",
         "jquery.tinymce": "xmodule_js/common_static/js/vendor/tiny_mce/jquery.tinymce",
         "xmodule": "xmodule_js/src/xmodule",
+        "xblock/cms.runtime.v1": "coffee/src/xblock/cms.runtime.v1",
         "xblock": "xmodule_js/common_static/coffee/src/xblock",
         "utility": "xmodule_js/common_static/js/src/utility",
         "sinon": "xmodule_js/common_static/js/vendor/sinon-1.7.1",

cms/static/coffee/src/views/module_edit.coffee

@@ -1,6 +1,6 @@
 define ["backbone", "jquery", "underscore", "gettext", "xblock/runtime.v1",
         "js/views/feedback_notification", "js/views/metadata", "js/collections/metadata"
-        "js/utils/modal", "jquery.inputnumber", "xmodule", "coffee/src/main"],
+        "js/utils/modal", "jquery.inputnumber", "xmodule", "coffee/src/main", "xblock/cms.runtime.v1"],
 (Backbone, $, _, gettext, XBlock, NotificationView, MetadataView, MetadataCollection, ModalUtils) ->
   class ModuleEdit extends Backbone.View
     tagName: 'li'

cms/static/coffee/src/xblock/cms.runtime.v1.coffee

@@ -0,0 +1,22 @@
+define ["jquery", "xblock/runtime.v1", "URI"], ($, XBlock, URI) ->
+    @PreviewRuntime = {}
+
+    class PreviewRuntime.v1 extends XBlock.Runtime.v1
+      handlerUrl: (element, handlerName, suffix, query, thirdparty) ->
+        uri = URI("/preview/xblock").segment($(@element).data('usage-id'))
+                                    .segment('handler')
+                                    .segment(handlerName)
+        if suffix? then uri.segment(suffix)
+        if query? then uri.search(query)
+        uri.toString()
+
+    @StudioRuntime = {}
+
+    class StudioRuntime.v1 extends XBlock.Runtime.v1
+      handlerUrl: (element, handlerName, suffix, query, thirdparty) ->
+        uri = URI("/xblock").segment($(@element).data('usage-id'))
+                                    .segment('handler')
+                                    .segment(handlerName)
+        if suffix? then uri.segment(suffix)
+        if query? then uri.search(query)
+        uri.toString()

cms/static/js_test.yml

@@ -59,7 +59,8 @@ lib_paths:
     - xmodule_js/common_static/js/vendor/URI.min.js
     - xmodule_js/common_static/js/vendor/jquery.smooth-scroll.min.js
     - xmodule_js/common_static/coffee/src/jquery.immediateDescendents.js
-    - xmodule_js/common_static/coffee/src/xblock
+    - xmodule_js/common_static/coffee/src/xblock/
+    - xmodule_js/common_static/js/vendor/URI.min.js
 
 # Paths to source JavaScript files
 src_paths:

cms/static/js_test_squire.yml

@@ -54,6 +54,8 @@ lib_paths:
     - xmodule_js/src/xmodule.js
     - xmodule_js/common_static/coffee/src/jquery.immediateDescendents.js
     - xmodule_js/common_static/js/test/i18n.js
+    - xmodule_js/common_static/coffee/src/xblock/
+    - xmodule_js/common_static/js/vendor/URI.min.js
 
 # Paths to source JavaScript files
 src_paths: