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.Color;
   4 import java.awt.Graphics2D;
   5 import java.awt.RenderingHints;
   6 import java.awt.geom.AffineTransform;
   7 import java.awt.geom.Point2D;
   8 import java.awt.geom.Rectangle2D;
   9
  10 import org.simantics.district.network.ModelledCRS;
  11 import org.simantics.district.network.ui.adapters.DistrictNetworkVertex;
  12 import org.simantics.scenegraph.g2d.G2DNode;
  13 import org.simantics.scenegraph.utils.GeometryUtils;
  14 import org.slf4j.Logger;
  15 import org.slf4j.LoggerFactory;
  16
  17 public class DistrictNetworkVertexNode extends G2DNode {
  18
  19     private static final Logger LOGGER = LoggerFactory.getLogger(DistrictNetworkVertexNode.class);
  20
  21     private static final long serialVersionUID = -2641639101400236719L;
  22     private DistrictNetworkVertex vertex;
  23
  24     private static final double left = -0.25;
  25     private static final double top = -0.25;
  26     private static final double width = 0.5;
  27     private static final double height = 0.5;
  28
  29     private static final Rectangle2D NORMAL = new Rectangle2D.Double(left, top, width, height);
  30     private static final Rectangle2D HOVERED = new Rectangle2D.Double(left * 3, top * 3, width * 3, height * 3);
  31
  32     private boolean scaleStroke = true;
  33     private boolean hover;
  34
  35     private Color color;
  36
  37     private Rectangle2D bounds;
  38
  39     private double nodeSize = 1;
  40
  41     @Override
  42     public void init() {
  43         setZIndex(2);
  44     }
  45
  46     @Override
  47     public void render(Graphics2D g2d) {
  48         if (nodeSize <= 0.0)
  49             return;
  50
  51         AffineTransform ot = null;
  52         AffineTransform t = getTransform();
  53         if (t != null && !t.isIdentity()) {
  54             ot = g2d.getTransform();
  55             g2d.transform(getTransform());
  56         }
  57
  58         Object oaaHint = null;
  59         Object aaHint = g2d.getRenderingHint(RenderingHints.KEY_ANTIALIASING);
  60         if (aaHint != RenderingHints.VALUE_ANTIALIAS_OFF) {
  61             oaaHint = aaHint;
  62             g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
  63         }
  64
  65         Color oldColor = g2d.getColor();
  66         g2d.setColor(color);
  67
  68         double scaleRecip = 1;
  69         if (scaleStroke) {
  70             double scale = GeometryUtils.getScale(g2d.getTransform());
  71             scale = Math.max(10000, Math.min(scale, 50000));
  72             scaleRecip = 1.0 / scale;
  73         }
  74         scaleRecip = scaleRecip * nodeSize;
  75
  76         // Translate lat and lon to X and Y
  77         Point2D res = calculatePoint2D(vertex);
  78
  79         Rectangle2D toDraw;
  80         if (hover) {
  81             toDraw = new Rectangle2D.Double(res.getX() - (HOVERED.getWidth() / 2 * scaleRecip), res.getY() - (HOVERED.getHeight() / 2 * scaleRecip), HOVERED.getWidth() * scaleRecip, HOVERED.getHeight() * scaleRecip);
  82         } else {
  83             toDraw = new Rectangle2D.Double(res.getX() - (NORMAL.getWidth() / 2 * scaleRecip), res.getY() - (NORMAL.getHeight() / 2 * scaleRecip), NORMAL.getWidth() * scaleRecip, NORMAL.getHeight() * scaleRecip);
  84         }
  85         // render
  86         g2d.fill(toDraw);
  87
  88         // Reset settings
  89         g2d.setColor(oldColor);
  90         if (oaaHint != null)
  91            g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, aaHint);
  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(), width / at.getScaleX(), height / 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()); // Inverse because Simantics Diagram is inverted
 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     @PropertySetter(value = "size")
 166     public void setSize(Double size) {
 167         boolean changed = false;
 168         if (size != null) {
 169             changed = size != this.nodeSize;
 170             this.nodeSize = size;
 171         } else {
 172             changed = this.nodeSize != 1.0;
 173             this.nodeSize = 1.0;
 174         }
 175         if (changed)
 176             updateBounds();
 177     }
 178
 179 }