Add mechanism for apps to register their own hallo.js plugins

wagtail/wagtailadmin/static/wagtailadmin/js/page-editor.js

@@ -1,3 +1,15 @@
+var halloPlugins = {
+    'halloformat': {},
+    'halloheadings': {formatBlocks: ["p", "h2", "h3", "h4", "h5"]},
+    'hallolists': {},
+    'hallohr': {},
+    'halloreundo': {},
+    'hallowagtaillink': {},
+};
+function registerHalloPlugin(name, opts) {
+    halloPlugins[name] = (opts || {});
+}
+
 function makeRichTextEditable(id) {
     var input = $('#' + id);
     var richText = $('<div class="richtext"></div>').html(input.val());
@@ -19,17 +31,7 @@ function makeRichTextEditable(id) {
     richText.hallo({
         toolbar: 'halloToolbarFixed',
         toolbarcssClass: 'testy',
-        plugins: {
-            'halloformat': {},
-            'halloheadings': {formatBlocks: ["p", "h2", "h3", "h4", "h5"]},
-            'hallolists': {},
-            'hallohr': {},
-            'halloreundo': {},
-            'hallowagtailimage': {},
-            'hallowagtailembeds': {},
-            'hallowagtaillink': {},
-            'hallowagtaildoclink': {}
-        }
+        plugins: halloPlugins
     }).bind('hallomodified', function(event, data) {
         input.val(data.content);
         if (!removeStylingPending) {

wagtail/wagtaildocs/wagtail_hooks.py

@@ -34,7 +34,12 @@ def editor_js():
         ((settings.STATIC_URL, filename) for filename in js_files)
     )
     return js_includes + format_html(
-        "<script>window.chooserUrls.documentChooser = '{0}';</script>",
+        """
+        <script>
+            window.chooserUrls.documentChooser = '{0}';
+            registerHalloPlugin('hallowagtaildoclink');
+        </script>
+        """,
         urlresolvers.reverse('wagtaildocs_chooser')
     )
 hooks.register('insert_editor_js', editor_js)

wagtail/wagtailembeds/wagtail_hooks.py

@@ -17,7 +17,10 @@ hooks.register('register_admin_urls', register_admin_urls)
 def editor_js():
     return format_html("""
             <script src="{0}{1}"></script>
-            <script>window.chooserUrls.embedsChooser = '{2}';</script>
+            <script>
+                window.chooserUrls.embedsChooser = '{2}';
+                registerHalloPlugin('hallowagtailembeds');
+            </script>
         """,
         settings.STATIC_URL,
         'wagtailembeds/js/hallo-plugins/hallo-wagtailembeds.js',

wagtail/wagtailimages/wagtail_hooks.py

@@ -34,7 +34,12 @@ def editor_js():
         ((settings.STATIC_URL, filename) for filename in js_files)
     )
     return js_includes + format_html(
-        "<script>window.chooserUrls.imageChooser = '{0}';</script>",
+        """
+        <script>
+            window.chooserUrls.imageChooser = '{0}';
+            registerHalloPlugin('hallowagtailimage');
+        </script>
+        """,
         urlresolvers.reverse('wagtailimages_chooser')
     )
 hooks.register('insert_editor_js', editor_js)