Read style from GET params in embed_snippet view

usegalaxy-au · Oct 14, 2024 · d102625 · d102625
1 parent 5017a39
commit d102625
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Showing 3 changed files with 19 additions and 4 deletions.
diff --git a/webapp/home/templates/embed-snippet.html b/webapp/home/templates/embed-snippet.html
@@ -14,8 +14,8 @@
 {% block script %}
 <script>
   window.onload = function() {
-    const height = document.body.scrollHeight;
-    window.parent.postMessage({ height: height }, "*");
+    window.parent.postMessage({ height: document.body.scrollHeight }, "*");
+    window.parent.postMessage({ width: document.body.scrollWidth }, "*");
   };
 </script>
 {% endblock %}
diff --git a/webapp/home/templates/home/header-export.html b/webapp/home/templates/home/header-export.html
@@ -22,7 +22,7 @@
     </style>
   </head>
 
-  <body>
+  <body {% if body_style %}style="{{ body_style }}"{% endif %}>
 
     {% block content %}
     {% endblock %}

diff --git a/webapp/home/views.py b/webapp/home/views.py
@@ -313,13 +313,28 @@ def custom_400(request, exception, template_name="400.html"):
 
 def embed_snippet(request, snippet_path):
     """Serve an embeddable snippet."""
+    ALLOW_STYLE_PARAMS = ['overflow']
+    body_style_data = {
+        k: request.GET.get(k)
+        for k in ALLOW_STYLE_PARAMS
+        if k in request.GET
+    }
+    body_style = ' '.join(
+        f'{k}: {v};'
+        for k, v in body_style_data.items()
+    )
     try:
         if 'snippets' not in snippet_path:
             raise Http404
         return render(request, 'embed-snippet.html', {
             'title': 'Galaxy Media - embedded snippet',
             'snippet_path': snippet_path,
-            'crop_margin': True,  # could make this configurable in future
+            # Can be referenced in snippet templates:
+            'crop_margin': request.GET.get(
+                'crop',
+                'true',
+            ).lower() in ('true', '1', 'yes'),
+            'body_style': body_style,
         })
     except TemplateDoesNotExist:
         raise Http404