/*******************************************************************************
* Copyright (c) 2000, 2005 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.gef;
/**
* The listener interface for receiving Connection events from
* EditParts that serve as connection nodes.
*/
public interface NodeListener {
/**
* Called prior to removing the connection from its source node. The source is not passed,
* but can still be obtained at this point by calling {@link ConnectionEditPart#getSource
* connection.getSource()}
* @param connection the connection
* @param index the index
*/
void removingSourceConnection(ConnectionEditPart connection, int index);
/**
* Called prior to removing the connection from its target node. The target is not passed,
* but can still be obtained at this point by calling {@link ConnectionEditPart#getTarget
* connection.getTarget()}
* @param connection the connection
* @param index the index
*/
void removingTargetConnection(ConnectionEditPart connection, int index);
/**
* Called after the connection has been added to its source node.
* @param connection the connection
* @param index the index
*/
void sourceConnectionAdded(ConnectionEditPart connection, int index);
/**
* Called after the connection has been added to its target node.
* @param connection the connection
* @param index the index
*/
void targetConnectionAdded(ConnectionEditPart connection, int index);
}