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[GEF5] How to determine on which VisualPart DragAndDrop gesture is ended? [message #1771148]

Tue, 22 August 2017 09:32

Eclipse User

Hi.
I want to drag the visual parts to each other. How to determine over which visual part the drop was made?

[Updated on: Tue, 22 August 2017 10:24] by Moderator

Re: [GEF5] How to determine on which VisualPart DragAndDrop gesture is ended? [message #1771180 is a reply to message #1771148]

Tue, 22 August 2017 12:16

Eclipse User

Ok. I found a solution.
Like in this post http://fxexperience.com/2016/01/node-picking-in-javafx
GEF5 has several util classes NodeUtils and PartUtils. For my task i need first retrive Node by NodeUtils.getNodesAt(...) and then use PartUtils.retrieveVisualPart(...)

List<Node> pickedNodes = NodeUtils.getNodesAt(getHost().getRoot().getVisual(), e.getSceneX(), e.getSceneY());
IVisualPart<? extends Node> retrieveVisualPart = PartUtils.retrieveVisualPart(getHost().getRoot().getViewer(), pickedNodes.get(0));

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