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