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jsTree v.1.0
unique plugin
Description
The unique plugin prevents from nodes with same titles coexisting (create/move/rename) in the same parent.
Configuration
error_callback
Whenever the plugin stops an action (because it violates the unique policy) this function will bre triggered in current tree's scope, receiving the name, siblings and function name that caused the conflict.
Demos
Try moving the child nodes together (drag'n'drop).
Using the unique plugin
API
._check_unique ( names, siblings )
Used internally - checks the names array against the sibling nodes for matches.