gerrit.simantics Code Review - simantics/platform.git/blob

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