- Enclosing class:
- KeyEditorField
- Functional Interface:
- This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
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Method Summary
Provides a way to prevent keys from being accepted. 
 
 
 
 
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Method Details
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validateProvides a way to prevent keys from being accepted. 
- Parameters:
- node- The node that is being edited
- oldKey- The previous key
- newKey- The new key, or null if the user cancelled the interaction
- Returns:
- A validation error message, or null if the value is acceptable