Get dragTracker instance during a drag operation

[reaper]

I have a group of isc.Window instances that I can drag around the browser window. I have figured out how to keep the window from being able to be moved outside of the visible browser window by overriding dragRepositionStop and dragRepositionMove. At the end of a move I can successfully place the window back in the visible area if the user attempted to drag the window out of the visible window.

What I can't do is keep the dragTracker from leaving the visible browser window during a drag.

I'm sure I can do it if I can figure out how to get a handle to the instance of the dragTacker canvas while inside dragRepositionMove() for the window.

So the question: During a drag operation, how can I locate the dragTracker canvas instance so that I can perform operations on it?

EventHandler has a setDragTracker() method that allows me to create a custom tracker, but it doesn't have a getDragTracker() function to allow me to manipulate the existing tracker (like the default outline).

Any guidance would be appreciated.

Thanks,
-Chris

[reaper]

I should also point out that keepInParentRect will not work since I want the user to be able to move the window partially off screen.

Having said that: All my tests seem to indicate that the rectangle parameters that can be passed to keepInParentRect are static and are set during the window instantiation and that I can't change their values dynamically (like if the user resizes the browser window) after the isc.Window is instantiated.

If this isn't the case then I'm happy to use keepInParentRect, but I need to know how to set that value either as soon as the browser is resized, or at the start of the drag.

-Chris

[reaper]

OK, I've solved my immediate problem. I can constrain the tracker with keepInParentRect by doing:

dragRepositionStart: function(){
  this.keepInParentRect = [newLeft, newTop, newRight, newBottom];
}

where newLeft, newTop...., etc are calculated values.

I would still like to know how to get the dragTracker instance though since I would like to be able to control it's look based on various drop targets.

Thanks,
-Chris

[Isomorphic]

You probably want to consider a custom drag - turn off the builtin dragAppearance and generate your own drag tracker, place it yourself and
move it yourself (implementing your constraints) and update it's appearance as necessary.

[reaper]

Thank you for your response.

I'm still getting familiar with this forum. I didn't realize I didn't automatically get e-mail notifications when I posted, and the 'instant notification' setting was below the fold and I didn't even see it when posting.

-Chris