org.eclipse.jface.text.contentassist
Interface IContextInformationValidator

All Known Implementing Classes:

ContextInformationValidator

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:

IContextInformationPresenter

Method Summary

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

Method Detail

install

public void install(IContextInformation info,
                    ITextViewer viewer,
                    int documentPosition)

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

documentPosition - the document position for which the information has been computed

isContextInformationValid

public boolean isContextInformationValid(int documentPosition)

Returns whether the information this validator is installed on is still valid at the given document position.

Parameters:

documentPosition - the current position within the document

Returns:

true if the information also valid at the given document position