But changing the preset actually shouldn't move to the future week, are you able to replicate that in one of our demos, or create a sample project for us to check that?? You can get more information about that here https://www.bryntum.com/forum/viewtopic.php?f=1&t=772
It's complex to add my full running app)
In your example you use zoom and event is triggered.
But in my app I don't use zoom, I just changed viewPreset programmatically according to what user selects (please see my code above). And event is not triggered...
In general, I need to implement 'day', 'week', 'month', 'year' views for gantt (please see toggle group on my first screenshot)
Is it right to change viewPreset programmatically for this? Like below
I've attached runnable code with listener added as on your code snippet. Please see it's working well.
We need more details from you to reproduce this. Please try to replicate the issue in our example app, if no luck, we need you attach your runnable application.
TO run the app attached