Package org.eclipse.jface.text.contentassist

Interface IContextInformationValidator

All Known Subinterfaces:
ISubjectControlContextInformationValidator
All Known Implementing Classes:
ContextInformationValidator, SubjectControlContextInformationValidator
public interface IContextInformationValidator
A context information validator is used to determine if a displayed context information is still valid or should be dismissed.

The interface can be implemented by clients.

See Also:

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    install(IContextInformation info, ITextViewer viewer, int offset)
    Installs this validator for the given context information.
    boolean
    isContextInformationValid(int offset)
    Returns whether the information this validator is installed on is still valid at the given document position.

  • Method Details

    • install

      void install(IContextInformation info, ITextViewer viewer, int offset)
      Installs this validator for the given context information.
      Parameters:
      info - the context information which this validator should check
      viewer - the text viewer on which the information is presented
      offset - the document offset for which the information has been computed

    • isContextInformationValid

      boolean isContextInformationValid(int offset)
      Returns whether the information this validator is installed on is still valid at the given document position.
      Parameters:
      offset - the current offset within the document
      Returns:
      true if the information also valid at the given document position