Highlight and validation of json syntax

[dzied-baradzied]

It would be nice to have some colored highlighting of json messages on JSON Output tabs and colored highting with syntax validation on Produce message tab.

[alshpak]

Could you suggest any existing library?

[dzied-baradzied]

According to my research, there are 2 possible ways:

1. JavaFX native: https://github.com/FXMisc/RichTextFX
   Unfortunately, it doesn't provide ready JSON viewer/editor component. This is only base for your custom implementation. So it probably can take some big effort to implement rich component.
2. Embed JS component using WebView.
   There are few rich code editors implemented on JS. Ace seems is one of the most popular (https://github.com/ajaxorg/ace). It has built-in support for validation and highlighting JSON syntax.
   Here is their demo app: https://ace.c9.io/build/kitchen-sink.html
   And this is JavaFX based project which embeds this editor: https://github.com/chaschev/bear
   Maybe it will give some tips.