bundles/org.simantics.g2d/src/org/simantics/g2d/routing/TrivialRouter.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.g2d.routing;
  13
  14 import java.awt.geom.Path2D;
  15
  16 public class TrivialRouter implements IRouter {
  17
  18     @Override
  19     public void update(IGraphModel model) {
  20         for(Object c : model.getConnections()) {
  21             Terminal begin = model.getBeginTerminal(c);
  22             Terminal end = model.getEndTerminal(c);
  23             double[] routePoints = model.getRoutePoints(c);
  24
  25             Path2D path = new Path2D.Double();
  26             int i=0;
  27             if(begin != null)
  28                 path.moveTo(begin.x, begin.y);
  29             else if(routePoints.length >= 2) {
  30                 path.moveTo(routePoints[0], routePoints[1]);
  31                 i = 2;
  32             }
  33             for(;i<routePoints.length;i += 2)
  34                 path.lineTo(routePoints[i], routePoints[i+1]);
  35             if(end != null)
  36                 path.lineTo(end.x, end.y);
  37
  38             model.setPath(c, path);
  39         }
  40     }
  41
  42 }