Render Discussion tab using web fragments

openedx/core/djangoapps/plugin_api/views.py

@@ -0,0 +1,99 @@
+"""
+Views for building plugins.
+"""
+
+from abc import abstractmethod
+import logging
+
+from django.conf import settings
+from django.contrib.staticfiles.storage import staticfiles_storage
+from django.shortcuts import render_to_response
+from web_fragments.views import FragmentView
+
+log = logging.getLogger('plugin_api')
+
+
+class EdxFragmentView(FragmentView):
+    """
+    The base class of all Open edX fragment views.
+    """
+    USES_PATTERN_LIBRARY = True
+
+    page_title = None
+
+    @staticmethod
+    def get_css_dependencies(group):
+        """
+        Returns list of CSS dependencies belonging to `group` in settings.PIPELINE_JS.
+
+        Respects `PIPELINE_ENABLED` setting.
+        """
+        if settings.PIPELINE_ENABLED:
+            return [settings.PIPELINE_CSS[group]['output_filename']]
+        else:
+            return settings.PIPELINE_CSS[group]['source_filenames']
+
+    @staticmethod
+    def get_js_dependencies(group):
+        """
+        Returns list of JS dependencies belonging to `group` in settings.PIPELINE_JS.
+
+        Respects `PIPELINE_ENABLED` setting.
+        """
+        if settings.PIPELINE_ENABLED:
+            return [settings.PIPELINE_JS[group]['output_filename']]
+        else:
+            return settings.PIPELINE_JS[group]['source_filenames']
+
+    @abstractmethod
+    def vendor_js_dependencies(self):
+        """
+        Returns list of the vendor JS files that this view depends on.
+        """
+        return []
+
+    @abstractmethod
+    def js_dependencies(self):
+        """
+        Returns list of the JavaScript files that this view depends on.
+        """
+        return []
+
+    @abstractmethod
+    def css_dependencies(self):
+        """
+        Returns list of the CSS files that this view depends on.
+        """
+        return []
+
+    def add_fragment_resource_urls(self, fragment):
+        """
+        Adds URLs for JS and CSS resources needed by this fragment.
+        """
+        # Head dependencies
+        for vendor_js_file in self.vendor_js_dependencies():
+            fragment.add_resource_url(staticfiles_storage.url(vendor_js_file), 'application/javascript', 'head')
+
+        for css_file in self.css_dependencies():
+            fragment.add_css_url(staticfiles_storage.url(css_file))
+
+        # Body dependencies
+        for js_file in self.js_dependencies():
+            fragment.add_javascript_url(staticfiles_storage.url(js_file))
+
+    def render_to_standalone_html(self, request, fragment, **kwargs):
+        """
+        Renders this fragment to HTML for a standalone page.
+        """
+        context = {
+            'uses-pattern-library': self.USES_PATTERN_LIBRARY,
+            'settings': settings,
+            'fragment': fragment,
+            'disable_accordion': True,
+            'allow_iframing': True,
+            'disable_header': True,
+            'disable_footer': True,
+            'disable_window_wrap': True,
+            'disable_preview_menu': True,
+        }
+        return render_to_response(settings.STANDALONE_FRAGMENT_VIEW_TEMPLATE, context)