Show a modal dialog after clicking toolbar button via a plugin

[Canapin (Coin-coin le Canapin)]

Hi peter

I don’t have the knowledge to answer your question, but here are a plugin and a theme component that both add a button to the composer that opens a modal, maybe you’ll find some pointers in their code:

Locations Plugin

The Locations Plugin allows you to associate geocoded locations with topics, and list topics with locations on a map. Additionally it allows users to record their position (voluntarily) and this can show up on a map of Users in the Users directory. Get the code Read the documentation Report a bug Documentation Links Administration Settings Locations in Topics Locations in Categories

Video Upload to YouTube and Vimeo using Theme Component

This new theme component enables video uploads from the Discourse composer to YouTube and Vimeo. For those already familiar with the plugin I developed recently, the same is now available in this Theme Component which can be added to any theme. This makes for a much easier installation and works in exactly the same way as the plugin. Features All forum members can upload videos to Vimeo or YouTube (admins can choose to enable either or both). Admins can control the view and embed privacy of th…