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.ParentNode;
  15 import org.simantics.scenegraph.g2d.G2DNode;
  16 import org.simantics.scenegraph.utils.GeometryUtils;
  17 import org.slf4j.Logger;
  18 import org.slf4j.LoggerFactory;
  19
  20 public class DistrictNetworkVertexNode extends G2DNode {
  21
  22     private static final Logger LOGGER = LoggerFactory.getLogger(DistrictNetworkVertexNode.class);
  23
  24     private static final long serialVersionUID = -2641639101400236719L;
  25     private DistrictNetworkVertex vertex;
  26
  27     private static final double left = -0.5;
  28     private static final double top = -0.5;
  29     private static final double width = 1;
  30     private static final double height = 1;
  31
  32     private static final Rectangle2D NORMAL = new Rectangle2D.Double(left, top, width, height);
  33     private static final Rectangle2D HOVERED = new Rectangle2D.Double(left * 3, top * 3, width * 3, height * 3);
  34
  35     private Stroke stroke = new BasicStroke(2);
  36     private boolean scaleStroke = true;
  37     private boolean hover;
  38
  39     private Color color;
  40
  41     private Rectangle2D bounds;
  42
  43     @Override
  44     public void init() {
  45         setZIndex(2);
  46     }
  47
  48     @Override
  49     public void render(Graphics2D g2d) {
  50         AffineTransform ot = null;
  51         AffineTransform t = getTransform();
  52         if (t != null && !t.isIdentity()) {
  53             ot = g2d.getTransform();
  54             g2d.transform(getTransform());
  55         }
  56
  57         Object aaHint = g2d.getRenderingHint(RenderingHints.KEY_ANTIALIASING);
  58         g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
  59
  60         Color oldColor = g2d.getColor();
  61         Stroke oldStroke = g2d.getStroke();
  62
  63         g2d.setColor(color);
  64
  65         double scaleRecip = 1;
  66         if (scaleStroke) {
  67             double scale = GeometryUtils.getScale(g2d.getTransform());
  68
  69             //System.out.println("scale: " + scale);
  70             scaleRecip = 1.0 / scale;
  71         }
  72         scaleRecip = 8.0 * scaleRecip;
  73
  74         // Translate lat and lon to X and Y
  75         Point2D res = calculatePoint2D(vertex);
  76
  77         Rectangle2D toDraw;
  78         if (hover) {
  79             toDraw = new Rectangle2D.Double(res.getX() - (HOVERED.getWidth() / 2 * scaleRecip), res.getY() - (HOVERED.getHeight() / 2 * scaleRecip), HOVERED.getWidth() * scaleRecip, HOVERED.getHeight() * scaleRecip);
  80         } else {
  81             toDraw = new Rectangle2D.Double(res.getX() - (NORMAL.getWidth() / 2 * scaleRecip), res.getY() - (NORMAL.getHeight() / 2 * scaleRecip), NORMAL.getWidth() * scaleRecip, NORMAL.getHeight() * scaleRecip);
  82         }
  83         // render
  84         g2d.fill(toDraw);
  85
  86         // Reset stats
  87         g2d.setColor(oldColor);
  88         g2d.setStroke(oldStroke);
  89
  90         g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, aaHint);
  91
  92         if (ot != null)
  93             g2d.setTransform(ot);
  94     }
  95
  96     @Override
  97     public Rectangle2D getBounds() {
  98         return super.getBounds();
  99     }
 100
 101     @Override
 102     public Rectangle2D getBoundsInLocal() {
 103         return bounds;
 104     }
 105
 106     private void updateBounds() {
 107         Rectangle2D oldBounds = bounds;
 108         if (oldBounds == null)
 109             oldBounds = new Rectangle2D.Double();
 110         bounds = calculateBounds(oldBounds);
 111     }
 112
 113     @Override
 114     public void setTransform(AffineTransform transform) {
 115         super.setTransform(transform);
 116         // Update bounds
 117         updateBounds();
 118     }
 119
 120     @Override
 121     public AffineTransform getTransform() {
 122         return super.getTransform();
 123     }
 124
 125     private Rectangle2D calculateBounds(Rectangle2D rect) {
 126         Point2D calcPoint = calculatePoint2D(vertex);
 127         AffineTransform at = getTransform();
 128         return new Rectangle2D.Double(calcPoint.getX(), calcPoint.getY(), 1 / at.getScaleX(), 1 / at.getScaleY()).getBounds2D();
 129     }
 130
 131     private static Point2D calculatePoint2D(DistrictNetworkVertex vertex) {
 132         Point2D point= vertex.getPoint();
 133         double x = ModelledCRS.longitudeToX(point.getX());
 134         double y = ModelledCRS.latitudeToY(point.getY());
 135
 136         // Apply the scaling
 137         Point2D res = new Point2D.Double(x, y);
 138         return res;
 139     }
 140
 141     public void setVertex(DistrictNetworkVertex vertex) {
 142         this.vertex = vertex;
 143         updateBounds();
 144     }
 145
 146     public boolean hover(boolean hover) {
 147 //        if (hover && LOGGER.isDebugEnabled())
 148 //            LOGGER.debug("Hovering " + this);
 149         boolean changed = false;
 150         if (this.hover != hover) {
 151             this.hover = hover;
 152             changed = true;
 153         }
 154         return changed;
 155     }
 156
 157     public void setColor(Color color) {
 158         this.color = color;
 159     }
 160
 161     public Color getColor() {
 162         return color;
 163     }
 164
 165 }