IModelElementInputListener.java

/*=============================================================================#
 # Copyright (c) 2007-2016 Stephan Wahlbrink (WalWare.de) 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:
 #     Stephan Wahlbrink - initial API and implementation
 #=============================================================================*/

package de.walware.ecommons.ltk.ui;

import de.walware.ecommons.ltk.IModelElementDelta;
import de.walware.ecommons.ltk.core.model.IModelElement;


/**
 * Interface to listen to changes of object input of the type {@link IModelElement}.
 * 
 * @see IModelElementInputProvider
 */
public interface IModelElementInputListener {
	
	
	/**
	 * The element of the provider has changed.
	 * 
	 * Directly called while changing the input.
	 * For longer tasks, wait for {@link #elementInitialInfo(IModelElement)}.
	 */
	public void elementChanged(IModelElement element);
	
	/**
	 * First detail info for the element.
	 */
	public void elementInitialInfo(IModelElement element);
	
	/**
	 * Detail info changed.
	 */
	public void elementUpdatedInfo(IModelElement element, IModelElementDelta delta);
	
}