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/*******************************************************************************
* Copyright (c) 2006 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jface.text.contentassist;
import org.eclipse.core.runtime.IProgressMonitor;
/**
* Extends {@link org.eclipse.jface.text.contentassist.ICompletionProposal} with the following
* function:
* <ul>
* <li>Allow background computation of the additional info.</li>
* </ul>
*
* @since 3.2
*/
public interface ICompletionProposalExtension5 {
/**
* Returns additional information about the proposal. The additional information will be
* presented to assist the user in deciding if the selected proposal is the desired choice.
* <p>
* This method may be called on a non-UI thread.
* </p>
* <p>
* By default, the returned information is converted to a string and displayed as text; if
* {@link ICompletionProposalExtension3#getInformationControlCreator()} is implemented, the
* information will be passed to a custom information control for display.
* </p>
*
* @param monitor a monitor to report progress and to watch for
* {@link IProgressMonitor#isCanceled() cancelation}.
* @return the additional information, <code>null</code> for no information
*/
Object getAdditionalProposalInfo(IProgressMonitor monitor);
}