lehmann at media-interactive.de
Mon Dec 1 18:28:41 UTC 2014
I am currently building a visual designer for Jasper Reports (to be
embedded in our product). The design model is basically a design tree,
so I am extending TreeItem for its element classes, e.g. StaticText or
SubReport. This has two benefits: 1. I get to show the model in a
TreeView, and 2. I get tree change notifications bubbled from leaf to
root item - both at no extra cost.
Obviously "my" TreeItems have additional observable properties such as
x/y/w/h. It would be very cool if changes to those properties could also
be bubbled to the root using the same change bubbling technique. Only
little things are missing here:
- ability to create TreeItem.children with an observable-list extractor
- ability to bubble ListChangeListener.Change.wasUpdated events
Also, if we could create TreeItem.children for ourselves in a factory or
somesuch, we could use a Filtered- or SortedList, too. I imagine this
could simplify tree filtering a lot (ScenicView!).
Thoughts about this?
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