Inserted chart in WYSIWYG editor is not visible

Simon Urli, I suspect this is a common mistake: the JavaScript code of the chart macro initializes the charts only on page load, i.e. it looks in the DOM for charts to "enhance" only when the page is initially loaded. But charts can be added after the page is loaded, which is the case of the WYSIWYG editor.

So there are two things to check:

• that the JavaScript code is loaded (fetched from the server) when the chart macro is inserted in the WYSIWYG editor; this should be the case, because the edited content is refreshed after a macro is inserted, and the CKEditor's HTMLConverter service includes the required JavaScript/CSS resources either in the HEAD tag (for standalone mode) or in the custom HTTP header (for in-place edit mode), see https://github.com/xwiki/xwiki-platform/blob/master/xwiki-platform-core/xwiki-platform-ckeditor/xwiki-platform-ckeditor-ui/src/main/resources/CKEditor/VelocityMacros.xml#L60
• that the JavaScript code listens to xwiki:dom:updated event and checks if there are charts to initialize in the updated DOM elements