Surface tree: do not delete node after dragging
1 answer
There is no ready-made attribute for duplicating node in dropEvent.
The solution is to add a listener to your element <p:tree>
:
<p:tree listener="#{managingBean.onDragDrop}" />
Then you need to re-create the node at the original location, duplicating it in your reverse method:
public void onDragDrop(TreeDragDropEvent event) {
TreeNode dragNode = event.getDragNode();
TreeNode dropNode = event.getDropNode();
int dropIndex = event.getDropIndex();
// Logic to repopulate initial Tree element
}
And don't forget to re-paint the tree
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