Hi William,
We have analyzed your query and we could see that you like to show the custom popup edit dialog. You can achieve your requirement by using the Dialog Template feature of Grid. It provides an option to customize the default behavior of dialog editing. Using the dialog template, you can render your own editors by defining the editSettings.mode as Dialog/Normal and editSetting.template as Vue component. We have already discussed about your requirement in our documentation. Please refer the below documentation for more information.
Regards,
Rajapandi R