jflowmap-master/src/jflowmap/util/piccolo/PanHandler.java
/*
 * This file is part of JFlowMap.
 *
 * Copyright 2009 Ilya Boyandin
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package jflowmap.util.piccolo;

import edu.umd.cs.piccolo.event.PInputEvent;
import edu.umd.cs.piccolo.event.PPanEventHandler;

public class PanHandler extends PPanEventHandler {
  protected void drag(PInputEvent e) {
    if (!e.isControlDown()) {
      super.drag(e);
    }
  }

  protected void dragActivityFirstStep(PInputEvent aEvent) {
    if (!aEvent.isControlDown()) {
      super.dragActivityFirstStep(aEvent);
    }
  }

  protected void dragActivityStep(PInputEvent aEvent) {
    if (!aEvent.isControlDown()) {
      super.dragActivityStep(aEvent);
    }
  }
}
