/*******************************************************************************
* Copyright (c) 2011 Association for Decentralized Information Management in
* Industry THTH ry.
* 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:
* VTT Technical Research Centre of Finland - initial API and implementation
*******************************************************************************/
package org.simantics.diagram.symbollibrary.ui;
import org.simantics.diagram.symbollibrary.ISymbolGroup;
import org.simantics.g2d.gallery.GalleryViewer;
import org.simantics.scenegraph.g2d.events.Event;
/**
* @author Tuukka Lehtonen
*/
public interface SymbolLibraryEventHandler {
/**
* @param event the event that occurred
* @param group the symbol group within which the event occurred or
* null
if event occurred outside of an existing symbol
* group
* @param viewer the viewer of for the group or null
if viewer
* is not yet initialized
* @return true
if the handler consumes the event
*/
boolean handleEvent(Event event, ISymbolGroup group, GalleryViewer viewer);
}