jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/selection/ISelectionParticipant.java

/*******************************************************************************
 *  Copyright (c) 2006, 2007 Oracle. 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: Oracle. - initial API and implementation
 *  
 *******************************************************************************/
package org.eclipse.jpt.ui.internal.selection;

public interface ISelectionParticipant 
{
	/**
	 * Return the current selection of the participant
	 */
	Selection getSelection();
	
	/**
	 * The selection has changed in the central selection manager.
	 * Update this participant accordingly.
	 */
	void selectionChanged(SelectionEvent evt);
	
	/**
	 * Return whether this selection participant should disconnect itself from
	 * its part when its part is hidden from view.
	 * <b>Typically</b> editor participants will return true and view participants will
	 * return false.
	 */
	boolean disposeOnHide();
	
	/**
	 * This participant is no longer needed (most likely because its part has 
	 * closed).  Dispose of it.
	 */
	void dispose();
}