Define bold and italic as rich text features

wagtail/wagtailadmin/rich_text.py

@@ -28,6 +28,19 @@ class HalloPlugin(object):
         return Media(js=self.js, css=self.css)
 
 
+class HalloFormatPlugin(HalloPlugin):
+    def __init__(self, **kwargs):
+        kwargs.setdefault('name', 'halloformat')
+        self.format_name = kwargs['format_name']
+        super(HalloFormatPlugin, self).__init__(**kwargs)
+
+    def construct_plugins_list(self, plugins):
+        plugins.setdefault(self.name, {'formattings': {
+            'bold': False, 'italic': False, 'strikeThrough': False, 'underline': False
+        }})
+        plugins[self.name]['formattings'][self.format_name] = True
+
+
 # Plugins which are always imported, and cannot be enabled/disabled via 'features'
 CORE_HALLO_PLUGINS = [
     HalloPlugin(name='halloreundo'),

wagtail/wagtailadmin/wagtail_hooks.py

@@ -7,7 +7,7 @@ from django.utils.translation import ugettext_lazy as _
 
 from wagtail.wagtailadmin.menu import MenuItem, SubmenuMenuItem, settings_menu
 from wagtail.wagtailadmin.navigation import get_explorable_root_page
-from wagtail.wagtailadmin.rich_text import HalloPlugin
+from wagtail.wagtailadmin.rich_text import HalloFormatPlugin, HalloPlugin
 from wagtail.wagtailadmin.search import SearchArea
 from wagtail.wagtailadmin.utils import user_has_any_page_permission
 from wagtail.wagtailadmin.viewsets import viewsets
@@ -200,3 +200,13 @@ def register_core_features(features):
         )
     )
     features.default_features.append('link')
+
+    features.register_editor_plugin(
+        'hallo', 'bold', HalloFormatPlugin(format_name='bold')
+    )
+    features.default_features.append('bold')
+
+    features.register_editor_plugin(
+        'hallo', 'italic', HalloFormatPlugin(format_name='italic')
+    )
+    features.default_features.append('italic')