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Eclipse Platform
Release 3.5

org.eclipse.jface.text.information
Interface IInformationPresenter

All Known Implementing Classes:
InformationPresenter

public interface IInformationPresenter

An information presenter shows information available at the text viewer's current document position. An IInformationPresenter is a ITextViewer add-on.

An information presenters has a list of IInformationProvider objects each of which is registered for a particular document content type. The presenter uses the strategy objects to retrieve the information to present.

In order to provide backward compatibility for clients of IInformationPresenter, extension interfaces are used to provide a means of evolution. The following extension interfaces exist:

The interface can be implemented by clients. By default, clients use InformationPresenter as the standard implementer of this interface.

Since:
2.0
See Also:
IInformationPresenterExtension, ITextViewer, IInformationProvider

Method Summary
  IInformationProvider getInformationProvider ( String contentType)
          Returns the information provider to be used for the given content type.
 void install ( ITextViewer textViewer)
          Installs the information presenter on the given text viewer.
 void showInformation ()
          Shows information related to the cursor position of the text viewer this information presenter is installed on.
 void uninstall ()
          Removes the information presenter from the text viewer it has previously been installed on.
 

Method Detail

install

void install(
ITextViewer textViewer)
Installs the information presenter on the given text viewer. After this method has been finished, the presenter is operational, i.e. the method showInformation() can be called until uninstall() is called.

Parameters:
textViewer - the viewer on which the presenter is installed

uninstall

void uninstall()
Removes the information presenter from the text viewer it has previously been installed on.


showInformation

void showInformation()
Shows information related to the cursor position of the text viewer this information presenter is installed on.


getInformationProvider


IInformationProvider getInformationProvider(
String contentType)
Returns the information provider to be used for the given content type.

Parameters:
contentType - the type of the content for which information will be requested
Returns:
an information provider or null if none exists for the specified content type

Eclipse Platform
Release 3.5

Guidelines for using Eclipse APIs.

Copyright (c) Eclipse contributors and others 2000, 2008. All rights reserved.


 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire