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 = -0.25;
  28     private static final double top = -0.25;
  29     private static final double width = 0.5;
  30     private static final double height = 0.5;
  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     private Double strokee;
  44
  45     @Override
  46     public void init() {
  47         setZIndex(2);
  48     }
  49
  50     @Override
  51     public void render(Graphics2D g2d) {
  52         AffineTransform ot = null;
  53         AffineTransform t = getTransform();
  54         if (t != null && !t.isIdentity()) {
  55             ot = g2d.getTransform();
  56             g2d.transform(getTransform());
  57         }
  58
  59         Object aaHint = g2d.getRenderingHint(RenderingHints.KEY_ANTIALIASING);
  60         g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
  61
  62         Color oldColor = g2d.getColor();
  63         Stroke oldStroke = g2d.getStroke();
  64
  65         g2d.setColor(color);
  66
  67         double scaleRecip = 1;
  68         if (scaleStroke) {
  69             double scale = GeometryUtils.getScale(g2d.getTransform());
  70             double str;
  71             if (strokee != null)
  72                 str = strokee;
  73             else
  74                 str = 1.0;
  75             //System.out.println("scale: " + scale);
  76             scaleRecip = 1.0 / scale;
  77         }
  78         scaleRecip = 8.0 * scaleRecip;
  79
  80         // Translate lat and lon to X and Y
  81         Point2D res = calculatePoint2D(vertex);
  82
  83         Rectangle2D toDraw;
  84         if (hover) {
  85             toDraw = new Rectangle2D.Double(res.getX() - (HOVERED.getWidth() / 2 * scaleRecip), res.getY() - (HOVERED.getHeight() / 2 * scaleRecip), HOVERED.getWidth() * scaleRecip, HOVERED.getHeight() * scaleRecip);
  86         } else {
  87             toDraw = new Rectangle2D.Double(res.getX() - (NORMAL.getWidth() / 2 * scaleRecip), res.getY() - (NORMAL.getHeight() / 2 * scaleRecip), NORMAL.getWidth() * scaleRecip, NORMAL.getHeight() * scaleRecip);
  88         }
  89         // render
  90         g2d.fill(toDraw);
  91
  92         // Reset stats
  93         g2d.setColor(oldColor);
  94         g2d.setStroke(oldStroke);
  95
  96         g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, aaHint);
  97
  98         if (ot != null)
  99             g2d.setTransform(ot);
 100     }
 101
 102     @Override
 103     public Rectangle2D getBounds() {
 104         return super.getBounds();
 105     }
 106
 107     @Override
 108     public Rectangle2D getBoundsInLocal() {
 109         return bounds;
 110     }
 111
 112     private void updateBounds() {
 113         Rectangle2D oldBounds = bounds;
 114         if (oldBounds == null)
 115             oldBounds = new Rectangle2D.Double();
 116         bounds = calculateBounds(oldBounds);
 117     }
 118
 119     @Override
 120     public void setTransform(AffineTransform transform) {
 121         super.setTransform(transform);
 122         // Update bounds
 123         updateBounds();
 124     }
 125
 126     @Override
 127     public AffineTransform getTransform() {
 128         return super.getTransform();
 129     }
 130
 131     private Rectangle2D calculateBounds(Rectangle2D rect) {
 132         Point2D calcPoint = calculatePoint2D(vertex);
 133         AffineTransform at = getTransform();
 134         return new Rectangle2D.Double(calcPoint.getX(), calcPoint.getY(), 1 / at.getScaleX(), 1 / at.getScaleY()).getBounds2D();
 135     }
 136
 137     private static Point2D calculatePoint2D(DistrictNetworkVertex vertex) {
 138         Point2D point= vertex.getPoint();
 139         double x = ModelledCRS.longitudeToX(point.getX());
 140         double y = ModelledCRS.latitudeToY(-point.getY()); // Inverse because Simantics Diagram is inverted
 141
 142         // Apply the scaling
 143         Point2D res = new Point2D.Double(x, y);
 144         return res;
 145     }
 146
 147     public void setVertex(DistrictNetworkVertex vertex) {
 148         this.vertex = vertex;
 149         updateBounds();
 150     }
 151
 152     public boolean hover(boolean hover) {
 153 //        if (hover && LOGGER.isDebugEnabled())
 154 //            LOGGER.debug("Hovering " + this);
 155         boolean changed = false;
 156         if (this.hover != hover) {
 157             this.hover = hover;
 158             changed = true;
 159         }
 160         return changed;
 161     }
 162
 163     public void setColor(Color color) {
 164         this.color = color;
 165     }
 166
 167     public Color getColor() {
 168         return color;
 169     }
 170
 171     @PropertySetter(value = "stroke")
 172     public void setStroke(Double stroke) {
 173         this.strokee = stroke / 10;
 174     }
 175 }