Notification when a diagram becomes dirty

[bfredo123]

Found the solution with the 'elements.changed'event thanks to this post:

When and where definitions updated in Viewer class

Hey! You could have a look at CommandStack.js under diagram-js project (lib/command/CommandStack.js). You should listen to elements.changed event. Here’s the explanation from the documentation: Change Tracking During the execution of the CommandStack it will keep track of all elements that have been touched during the command’s execution. At the end of the CommandStack execution it will notify interested components via an ‘elements.changed’ event with all the dirty elements. The event ca…

Thanks!