issue-95 get exports working

web/src/components/IdeCascadeStudio/IdeCascadeStudio.js

@@ -61,7 +61,7 @@ const IdeCascadeStudio = ({ part, saveCode, loading, error }) => {
           canEdit={canEdit}
           isChanges={isChanges && !loading}
           onSave={() => {}}
-          onExport={() => {}}
+          onExport={(type) => threejsViewport[`saveShape${type}`]()}
         />
         <div id="topnav" className="topnav hidden">
           <a href="https://github.com/zalo/CascadeStudio">

web/src/index.html

@@ -11,6 +11,7 @@
       // Install Cascade Studio as a Progressive Web App for Offline Access
       // This needs to be put before ANY HTTP Requests are made, so it can cache them.
       var messageHandlers = {};
+      var threejsViewport = {};
       messageHandlers["resetWorking"] = () => { workerWorking = false; }
       var cascadeStudioWorker
       var workerWorking = false