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com.ibm.lpex.alef.contentassist
Interface IContextInformationPresenter

public interface IContextInformationPresenter

A context information presenter determines the presentation of context information depending on a given document location. The interface can be implemented by clients.

This is the LPEX version of org.eclipse.jface.text.contentassist.IContextInformationPresenter.

Method Summary

void	install(IContextInformation info, org.eclipse.jface.text.ITextViewer viewer, LpexDocumentLocation documentLocation) Installs this presenter for the given context information.
boolean	updatePresentation(LpexDocumentLocation documentLocation, org.eclipse.jface.text.TextPresentation presentation) Updates the given presentation of the given context information at the given document position.

Method Detail

install

public void install(IContextInformation info,
                    org.eclipse.jface.text.ITextViewer viewer,
                    LpexDocumentLocation documentLocation)

Installs this presenter for the given context information.

Parameters:

info - the context information which this presenter should style

viewer - the LpexTextViewer on which the information is presented

documentLocation - the document location for which the information has been computed

updatePresentation

public boolean updatePresentation(LpexDocumentLocation documentLocation,
                                  org.eclipse.jface.text.TextPresentation presentation)

Updates the given presentation of the given context information at the given document position. Returns whether the update changed the presentation.

Parameters:

documentLocation - the current location within the document

presentation - the presentation to be updated

Returns:

true if the given presentation has been changed