Add button to 'Add Attachment to Description'

src/scripts/file_upload.js

@@ -155,6 +155,15 @@ $(function () {
         })
         .on('file-upload:activated', on_file_upload_activated)
         .on('file-upload:finished', on_file_upload_finished)
+        .on('click', '.js-append-attachment', function(e) {
+            e.preventDefault();
+
+            // Append widget @[slug-name] to the post's description
+            // Note: Heavily connected to HTML in _node_edit_form.jade
+            var slug = $(this).parent().find("input[id*='slug']").val();
+            var widget = '@[' + slug + ']\n';
+            document.getElementById('description').value += widget;
+        })
     ;
 
     function inject_project_id_into_url(index, element) {

src/templates/_macros/_node_edit_form.jade

@@ -15,6 +15,14 @@
 
 			| {% for subfield in file %}
 			| {{ render_field(subfield) }}
+
+			| {% if subfield.name.endswith('slug') %}
+			button.fieldlist-action-button.js-append-attachment(
+				type="button")
+				i.pi-plus
+				| Append to Description
+			| {% endif %}
+
 			| {% endfor %}
 
 		| {% endfor %}