JTree DND Hack If a JTree is used as a source for a drag operation, to drag a node from the tree, the user needs to click once on the unselected node, release the mouse button and click a second time, keep the button down to start dragging the node. i.e, 2 successive clicks are required to initiate drag on JTree. After spending some time on JTree DND code, I came up with a hack...