/*
Copyright 2011-2016 Google Inc. All Rights Reserved.

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 com.google.security.zynamics.zylib.yfileswrap.gui.zygraph.helpers;

import com.google.security.zynamics.zylib.yfileswrap.gui.zygraph.proximity.ZyProximityNode;
import com.google.security.zynamics.zylib.yfileswrap.gui.zygraph.realizers.IZyNodeRealizer;

import y.base.Edge;
import y.base.Node;
import y.view.Graph2D;


public class ProximityHelper {
  public static ZyProximityNode<?> getProximityNode(final Graph2D graph, final Node node) {
    final IZyNodeRealizer realizer = (IZyNodeRealizer) graph.getRealizer(node);

    return (ZyProximityNode<?>) realizer.getUserData().getNode();
  }

  public static boolean isProximityEdge(final Graph2D graph, final Edge edge) {
    return isProximityNode(graph, edge.source()) || isProximityNode(graph, edge.target());
  }

  public static boolean isProximityNode(final Graph2D graph, final Node node) {
    final IZyNodeRealizer realizer = (IZyNodeRealizer) graph.getRealizer(node);

    return realizer.getUserData().getNode() instanceof ZyProximityNode<?>;
  }

}