org.simantics.district.network.ui/src/org/simantics/district/network/ui/nodes/DistrictNetworkEdgeNode.java

   1 package org.simantics.district.network.ui.nodes;
   2
   3 import java.awt.BasicStroke;
   4 import java.awt.Color;
   5 import java.awt.Graphics2D;
   6 import java.awt.RenderingHints;
   7 import java.awt.Stroke;
   8 import java.awt.geom.AffineTransform;
   9 import java.awt.geom.Path2D;
  10 import java.awt.geom.Point2D;
  11 import java.awt.geom.Rectangle2D;
  12
  13 import org.simantics.district.network.ModelledCRS;
  14 import org.simantics.district.network.ontology.DistrictNetworkResource;
  15 import org.simantics.district.network.ui.DistrictNetworkEdge;
  16 import org.simantics.scenegraph.g2d.G2DNode;
  17 import org.simantics.scenegraph.utils.GeometryUtils;
  18 import org.simantics.scenegraph.utils.NodeUtil;
  19
  20 public class DistrictNetworkEdgeNode extends G2DNode {
  21
  22     private static final long serialVersionUID = 8049769475036519806L;
  23
  24     private static final Stroke     SELECTION_STROKE = new BasicStroke(1f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER);
  25     private static final Color      SELECTION_COLOR  = new Color(255, 0, 255, 96);
  26
  27     private DistrictNetworkEdge edge;
  28     private Rectangle2D bounds;
  29
  30     private static final Stroke STROKE = new BasicStroke(4, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND);
  31     private boolean scaleStroke = true;
  32
  33     private Color color;
  34
  35     @Override
  36     public void init() {
  37
  38     }
  39
  40     @Override
  41     public void render(Graphics2D g2d) {
  42
  43         AffineTransform ot = null;
  44         AffineTransform t = getTransform();
  45         if (t != null && !t.isIdentity()) {
  46             ot = g2d.getTransform();
  47             g2d.transform(getTransform());
  48         }
  49
  50         Object aaHint = g2d.getRenderingHint(RenderingHints.KEY_ANTIALIASING);
  51         g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
  52
  53         Color oldColor = g2d.getColor();
  54         BasicStroke oldStroke = (BasicStroke) g2d.getStroke();
  55 //        boolean selected = isSelected();
  56 //        if (selected) {
  57 //            Path2D selectionPath = edge.getPath();
  58 //            Shape selectionShape = SELECTION_STROKE.createStrokedShape(selectionPath);
  59 //            g2d.setColor(SELECTION_COLOR);
  60 //            g2d.fill(selectionShape);
  61 //        }
  62 //
  63         g2d.setColor(color);
  64         if (STROKE != null) {
  65             if (scaleStroke && STROKE instanceof BasicStroke) {
  66                 BasicStroke bs = GeometryUtils.scaleStroke(STROKE, (float) (1.0 / GeometryUtils.getScale(g2d.getTransform())));
  67                 g2d.setStroke(bs);
  68             } else {
  69                 g2d.setStroke(STROKE);
  70             }
  71         }
  72         // render
  73         g2d.draw(edge.getPath());
  74
  75         // Reset
  76         g2d.setStroke(oldStroke);
  77         g2d.setColor(oldColor);
  78         g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, aaHint);
  79
  80         if (ot != null)
  81             g2d.setTransform(ot);
  82     }
  83
  84     private boolean isSelected() {
  85         return NodeUtil.isSelected(this, 1);
  86     }
  87
  88     @Override
  89     public Rectangle2D getBoundsInLocal() {
  90         return bounds;
  91     }
  92
  93     private void updateBounds() {
  94         Rectangle2D oldBounds = bounds;
  95         if (oldBounds == null)
  96             oldBounds = new Rectangle2D.Double();
  97         bounds = calculateBounds(oldBounds);
  98     }
  99
 100     private Rectangle2D calculateBounds(Rectangle2D rect) {
 101         return edge.getBounds(rect);
 102     }
 103
 104     public void setDNEdge(DistrictNetworkEdge edge) {
 105         this.edge = edge;
 106         updateBounds();
 107     }
 108
 109     public void setColor(Color color) {
 110         this.color = color;
 111     }
 112
 113     public Color getColor() {
 114         return color;
 115     }
 116
 117 }