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org.eclipse.jface.text.contentassist
Interface IContextInformationValidator

All Known Subinterfaces:

ISubjectControlContextInformationValidator

All Known Implementing Classes:

ContextInformationValidator, SubjectControlContextInformationValidator

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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

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Method Summary
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 Detail

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

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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

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