org.simantics.district.network.ui/src/org/simantics/district/network/ui/nodes/DistrictNetworkVertexNode.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.Point2D;
  10 import java.awt.geom.Rectangle2D;
  11
  12 import org.simantics.district.network.ModelledCRS;
  13 import org.simantics.district.network.ui.adapters.DistrictNetworkVertex;
  14 import org.simantics.scenegraph.g2d.G2DNode;
  15 import org.simantics.scenegraph.utils.GeometryUtils;
  16 import org.slf4j.Logger;
  17 import org.slf4j.LoggerFactory;
  18
  19 public class DistrictNetworkVertexNode extends G2DNode {
  20
  21     private static final Logger LOGGER = LoggerFactory.getLogger(DistrictNetworkVertexNode.class);
  22
  23     private static final long serialVersionUID = -2641639101400236719L;
  24     private DistrictNetworkVertex vertex;
  25
  26     private static final double left = -0.5;
  27     private static final double top = -0.5;
  28     private static final double width = 1;
  29     private static final double height = 1;
  30
  31     private static final Rectangle2D NORMAL = new Rectangle2D.Double(left, top, width, height);
  32     private static final Rectangle2D HOVERED = new Rectangle2D.Double(left * 3, top * 3, width * 3, height * 3);
  33
  34     private Stroke stroke = new BasicStroke(2);
  35     private boolean scaleStroke = true;
  36     private boolean hover;
  37
  38     private Color color;
  39
  40     @Override
  41     public void init() {
  42         setZIndex(2);
  43     }
  44
  45     @Override
  46     public void render(Graphics2D g2d) {
  47         AffineTransform ot = null;
  48         AffineTransform t = getTransform();
  49         if (t != null && !t.isIdentity()) {
  50             ot = g2d.getTransform();
  51             g2d.transform(getTransform());
  52         }
  53
  54         Object aaHint = g2d.getRenderingHint(RenderingHints.KEY_ANTIALIASING);
  55         g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
  56
  57         Color oldColor = g2d.getColor();
  58         Stroke oldStroke = g2d.getStroke();
  59
  60         g2d.setColor(color);
  61
  62         double scaleRecip = 1;
  63         if (scaleStroke) {
  64             double scale = GeometryUtils.getScale(g2d.getTransform());
  65
  66             //System.out.println("scale: " + scale);
  67             scaleRecip = 1.0 / scale;
  68         }
  69         scaleRecip = 8.0 * scaleRecip;
  70
  71         Rectangle2D toDraw;
  72         if (hover) {
  73             toDraw = new Rectangle2D.Double(HOVERED.getX() * scaleRecip, HOVERED.getY() * scaleRecip, HOVERED.getWidth() * scaleRecip, HOVERED.getHeight() * scaleRecip);
  74         } else {
  75             toDraw = new Rectangle2D.Double(NORMAL.getX() * scaleRecip, NORMAL.getY() * scaleRecip, NORMAL.getWidth() * scaleRecip, NORMAL.getHeight() * scaleRecip);
  76         }
  77         // render
  78         g2d.fill(toDraw);
  79
  80         // Reset stats
  81         g2d.setColor(oldColor);
  82         g2d.setStroke(oldStroke);
  83
  84         g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, aaHint);
  85
  86         if (ot != null)
  87             g2d.setTransform(ot);
  88     }
  89
  90     @Override
  91     public Rectangle2D getBoundsInLocal() {
  92         if (hover)
  93             return HOVERED;
  94         return NORMAL;
  95     }
  96
  97     public void setVertex(DistrictNetworkVertex vertex) {
  98         this.vertex = vertex;
  99     }
 100
 101     public boolean hover(boolean hover) {
 102 //        if (hover && LOGGER.isDebugEnabled())
 103 //            LOGGER.debug("Hovering " + this);
 104         boolean changed = false;
 105         if (this.hover != hover) {
 106             this.hover = hover;
 107             changed = true;
 108         }
 109         return changed;
 110     }
 111
 112     public void setColor(Color color) {
 113         this.color = color;
 114     }
 115
 116     public Color getColor() {
 117         return color;
 118     }
 119
 120 }