Package org.eclipse.ui.dialogs
Interface ISelectionValidator
- All Known Implementing Classes:
CopyResourceAction
,MoveResourceAction
public interface ISelectionValidator
For validating selections in some selection dialogs.
Clients should implement this interface to define specialized selection validators.
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Method Summary
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Method Details
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isValid
Returns a string indicating whether the given selection is valid. If the result isnull
, the selection is considered to be valid; if the result is non-empty, it contains the error message to be displayed to the user.- Parameters:
selection
- the selection to be validated- Returns:
- the error message, or
null
indicating that the value is valid
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