Drag and Drop Nodes in uitree

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Sam Mlawer
Sam Mlawer 2021-4-27
回答： Shadaab Siddiqie 2021-4-30
Is it possible to drag and drop tree nodes in a uitree to change their order?
Thanks!

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Shadaab Siddiqie
Shadaab Siddiqie 2021-4-30
Form my understanding you want to know if drag and drop feature is available for the uitree object. Unfortunately, there is no built-in way to add "uitreenode" objects to a "uitree" while the app is running nor is there a way to rearrange the nodes by dragging them. However, one potential workaround would be to add three buttons to your app. You could add a callback to one button that creates a new "uitreenode" and adds it to the "uitree" when the button is pushed. The other two buttons could have callbacks that reorder the list of "uitreenode" objects in the "uitree". One callback could move the currently selected "uitreenode" up one and the other could move the selected "uitreenode" down one.

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