bundles/org.simantics.diagram.connection/src/org/simantics/diagram/connection/splitting/SplittedRouteGraph.java

   1 package org.simantics.diagram.connection.splitting;\r
   2 \r
   3 import gnu.trove.set.hash.THashSet;\r
   4 \r
   5 import java.awt.geom.Point2D;\r
   6 \r
   7 import org.simantics.diagram.connection.RouteGraph;\r
   8 import org.simantics.diagram.connection.RouteLine;\r
   9 import org.simantics.diagram.connection.RouteNode;\r
  10 import org.simantics.diagram.connection.RouteTerminal;\r
  11 \r
  12 public class SplittedRouteGraph {\r
  13     public final RouteLine splitLine;\r
  14     public final THashSet<RouteNode> interfaceNodes1;\r
  15     public final THashSet<RouteLine> lines1; // does not contain splitLine\r
  16     public final THashSet<RouteTerminal> terminals1;\r
  17     public final THashSet<RouteNode> interfaceNodes2;\r
  18     public final THashSet<RouteLine> lines2; // does not contain splitLine\r
  19     public final THashSet<RouteTerminal> terminals2;\r
  20     \r
  21     public SplittedRouteGraph(RouteLine splitLine,\r
  22             THashSet<RouteNode> interfaceNodes1, THashSet<RouteLine> lines1,\r
  23             THashSet<RouteTerminal> terminals1,\r
  24             THashSet<RouteNode> interfaceNodes2, THashSet<RouteLine> lines2,\r
  25             THashSet<RouteTerminal> terminals2) {\r
  26         super();\r
  27         this.splitLine = splitLine;\r
  28         this.interfaceNodes1 = interfaceNodes1;\r
  29         this.lines1 = lines1;\r
  30         this.terminals1 = terminals1;\r
  31         this.interfaceNodes2 = interfaceNodes2;\r
  32         this.lines2 = lines2;\r
  33         this.terminals2 = terminals2;\r
  34     }\r
  35     \r
  36     @Override\r
  37     public String toString() {\r
  38         StringBuilder b = new StringBuilder();\r
  39         \r
  40         b.append("splitLine = " + splitLine.getData() + "\n");\r
  41         \r
  42         b.append("interfaceNodes1 =");\r
  43         for(RouteNode node : interfaceNodes1)\r
  44             b.append(" " + node.getData() + "(" + node.getClass().getSimpleName() + ")");\r
  45         b.append("\n");\r
  46         \r
  47         b.append("lines1 =");\r
  48         for(RouteLine node : lines1)\r
  49             b.append(" " + node.getData());\r
  50         b.append("\n");\r
  51         \r
  52         b.append("terminals1 =");\r
  53         for(RouteTerminal node : terminals1)\r
  54             b.append(" " + node.getData());\r
  55         b.append("\n");\r
  56         \r
  57         b.append("interfaceNodes2 =");\r
  58         for(RouteNode node : interfaceNodes2)\r
  59             b.append(" " + node.getData() + "(" + node.getClass().getSimpleName() + ")");\r
  60         b.append("\n");\r
  61         \r
  62         b.append("lines2 =");\r
  63         for(RouteLine node : lines2)\r
  64             b.append(" " + node.getData());\r
  65         b.append("\n");\r
  66         \r
  67         b.append("terminals2 =");\r
  68         for(RouteTerminal node : terminals2)\r
  69             b.append(" " + node.getData());\r
  70         b.append("\n");\r
  71         \r
  72         return b.toString();\r
  73     }\r
  74 \r
  75     public static RouteLine findNearestLine(RouteGraph rg, Point2D splitCanvasPos) {\r
  76         double hi = 1000, lo = 1;\r
  77         RouteLine nearestLine = null;\r
  78         final double LIMIT = 0.5;\r
  79         while (true) {\r
  80             double tolerance = (hi + lo) * 0.5;\r
  81             RouteLine line = rg.pickLine(splitCanvasPos.getX(), splitCanvasPos.getY(), tolerance);\r
  82             double delta = (hi - lo) * 0.5;\r
  83             if (delta < LIMIT)\r
  84                 return nearestLine;\r
  85             if (line == null) {\r
  86                 lo = tolerance;\r
  87             } else {\r
  88                 nearestLine = line;\r
  89                 hi = tolerance;\r
  90             }\r
  91         }\r
  92     }\r
  93 \r
  94     /**\r
  95      * @param point\r
  96      * @param line\r
  97      * @return the specified point instance snapped to the specified line\r
  98      */\r
  99     public static Point2D snapToLine(Point2D point, RouteLine line) {\r
 100 //        line.print(System.out);\r
 101 //        for (RoutePoint rp : line.getPoints())\r
 102 //            System.out.println("RP: " + rp.getX() + ", " + rp.getY());\r
 103         // Get exact intersection point on the line\r
 104         if (line.isHorizontal()) {\r
 105             point.setLocation( point.getX(), line.getPosition() );\r
 106         } else {\r
 107             point.setLocation( line.getPosition(), point.getY() );\r
 108         }\r
 109         return point;\r
 110     }\r
 111 \r
 112     /**\r
 113      * @param point\r
 114      * @param line\r
 115      * @return new {@link Point2D} instance with specified point snapped to specified line\r
 116      */\r
 117     public static Point2D snappedToLine(Point2D point, RouteLine line) {\r
 118         Point2D result = (Point2D) point.clone();\r
 119         return snapToLine(result, line);\r
 120     }\r
 121 \r
 122 }\r