Support renderValue within iframe

Author: Jeffrey Shen

inst/htmlwidgets/plotly.js

@@ -156,6 +156,18 @@ HTMLWidgets.widget({
       }
     }
 
+    // remove "sendDataToCloud", unless user has specified they want it
+    x.config = x.config || {};
+    if (!x.config.cloud) {
+      x.config.modeBarButtonsToRemove = x.config.modeBarButtonsToRemove || [];
+      x.config.modeBarButtonsToRemove.push("sendDataToCloud");
+    }
+    
+    // if the object was passed in from another window, plotly will falsely think it isn't a "plain object"
+    // to get around this, we have to create a deep copy of the object
+    if (inIframe() && !isPlainObject(x))
+       x = JSON.parse(JSON.stringify(x))
+
     // if no plot exists yet, create one with a particular configuration
     if (!instance.plotly) {
 
@@ -876,6 +888,10 @@ function isPlainObject(obj) {
   );
 }
 
+function inIframe() {
+  return window && window.self !== window.top;
+}
+
 function subsetArrayAttrs(obj, indices) {
   var newObj = {};
   Object.keys(obj).forEach(function(k) {