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/*******************************************************************************
* Copyright (c) 2005, 2012 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;
/**
* A completion listener is informed before the content assistant computes completion proposals.
* <p>
* In order to provide backward compatibility for clients of <code>ICompletionListener</code>, extension
* interfaces are used to provide a means of evolution. The following extension interfaces exist:
* <ul>
* <li>{@link org.eclipse.jface.text.contentassist.ICompletionListenerExtension} since version 3.4 introducing
* the following functions:
* <ul>
* <li>additional notification about restarting the current code assist session</li>
* </ul>
* </li>
* <li>{@link org.eclipse.jface.text.contentassist.ICompletionListenerExtension2} since version 3.8 introducing
* the following functions:
* <ul>
* <li>additional notification after applying a proposal</li>
* </ul>
* </li>
* </ul>
* </p>
*
* <p>
* Clients may implement this interface.
* </p>
*
* @since 3.2
*/
public interface ICompletionListener {
/**
* Called when code assist is invoked when there is no current code assist session.
*
* @param event the content assist event
*/
void assistSessionStarted(ContentAssistEvent event);
/**
* Called when a code assist session ends (for example, the proposal popup is closed).
*
* @param event the content assist event
*/
void assistSessionEnded(ContentAssistEvent event);
/**
* Called when the selection in the proposal popup is changed or if the insert-mode changed.
*
* @param proposal the newly selected proposal, possibly <code>null</code>
* @param smartToggle <code>true</code> if the insert-mode toggle is being pressed,
* <code>false</code> otherwise
*/
void selectionChanged(ICompletionProposal proposal, boolean smartToggle);
}
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