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.geom.AffineTransform;
   8 import java.awt.geom.Point2D;
   9 import java.awt.geom.Rectangle2D;
  10
  11 import org.simantics.district.network.ModelledCRS;
  12 import org.simantics.district.network.ui.adapters.DistrictNetworkVertex;
  13 import org.simantics.scenegraph.ISelectionPainterNode;
  14 import org.simantics.scenegraph.g2d.G2DNode;
  15 import org.simantics.scenegraph.utils.GeometryUtils;
  16 import org.simantics.scenegraph.utils.NodeUtil;
  17
  18 public class DistrictNetworkVertexNode extends G2DNode implements ISelectionPainterNode {
  19
  20     //private static final Logger LOGGER = LoggerFactory.getLogger(DistrictNetworkVertexNode.class);
  21
  22     private static final long serialVersionUID = -2641639101400236719L;
  23
  24     private static final BasicStroke STROKE           = new BasicStroke(4, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND);
  25     private static final Color       SELECTION_COLOR  = new Color(255, 0, 255, 96);
  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 DistrictNetworkVertex vertex;
  36
  37     private boolean scaleStroke = true;
  38     private boolean hover;
  39
  40     private Color color;
  41     private transient Color dynamicColor;
  42
  43     private Rectangle2D bounds;
  44     private transient Point2D point;
  45     private transient Rectangle2D rect;
  46
  47     private double nodeSize = 1;
  48
  49     @Override
  50     public void init() {
  51         setZIndex(2);
  52     }
  53
  54     @Override
  55     public void render(Graphics2D g2d) {
  56         if (nodeSize <= 0.0)
  57             return;
  58
  59         AffineTransform ot = null;
  60         AffineTransform t = getTransform();
  61         if (t != null && !t.isIdentity()) {
  62             ot = g2d.getTransform();
  63             g2d.transform(getTransform());
  64         }
  65
  66         Object oaaHint = null;
  67         Object aaHint = g2d.getRenderingHint(RenderingHints.KEY_ANTIALIASING);
  68         if (aaHint != RenderingHints.VALUE_ANTIALIAS_OFF) {
  69             oaaHint = aaHint;
  70             g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
  71         }
  72
  73         Color oldColor = g2d.getColor();
  74         Color newColor = dynamicColor != null ? dynamicColor : color;
  75         boolean changeColor = !oldColor.equals(newColor);
  76
  77         double viewScaleRecip = 1;
  78         if (scaleStroke) {
  79             double scale = GeometryUtils.getScale(g2d.getTransform());
  80             scale = Math.max(10000, Math.min(scale, 50000));
  81             viewScaleRecip = 1.0 / scale;
  82         }
  83         double scaleRecip = viewScaleRecip * nodeSize;
  84
  85         // Translate lat and lon to X and Y
  86         Point2D p = point = calculatePoint2D(vertex, point);
  87         Rectangle2D toDraw = calculateDrawnGeometry(p, hover ? HOVERED : NORMAL, rect, scaleRecip);
  88
  89         if (NodeUtil.isSelected(this, 1)) {
  90             changeColor = true;
  91             g2d.setColor(SELECTION_COLOR);
  92             BasicStroke ss = GeometryUtils.scaleStroke(STROKE, (float) viewScaleRecip*5);
  93             g2d.setStroke(ss);
  94             g2d.draw(toDraw);
  95         }
  96
  97         // render
  98         if (changeColor)
  99             g2d.setColor(newColor);
 100         g2d.fill(toDraw);
 101
 102         // Reset settings
 103         if (changeColor)
 104             g2d.setColor(oldColor);
 105         if (oaaHint != null)
 106            g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, aaHint);
 107         if (ot != null)
 108             g2d.setTransform(ot);
 109     }
 110
 111     private Rectangle2D calculateDrawnGeometry(Point2D p, Rectangle2D margin, Rectangle2D result, double scaleRecip) {
 112         if (result == null)
 113             result = new Rectangle2D.Double();
 114         double mw = margin.getWidth();
 115         double mh = margin.getHeight();
 116         result.setFrame(p.getX() - (mw / 2 * scaleRecip), p.getY() - (mh / 2 * scaleRecip), mw * scaleRecip, mh * scaleRecip);
 117         return result;
 118     }
 119
 120     @Override
 121     public Rectangle2D getBounds() {
 122         return super.getBounds();
 123     }
 124
 125     @Override
 126     public Rectangle2D getBoundsInLocal() {
 127         return bounds;
 128     }
 129
 130     private void updateBounds() {
 131         Rectangle2D oldBounds = bounds;
 132         if (oldBounds == null)
 133             oldBounds = new Rectangle2D.Double();
 134         bounds = calculateBounds(oldBounds);
 135     }
 136
 137     @Override
 138     public void setTransform(AffineTransform transform) {
 139         super.setTransform(transform);
 140         // Update bounds
 141         updateBounds();
 142     }
 143
 144     @Override
 145     public AffineTransform getTransform() {
 146         return super.getTransform();
 147     }
 148
 149     private Rectangle2D calculateBounds(Rectangle2D rect) {
 150         Point2D calcPoint = calculatePoint2D(vertex, point);
 151         AffineTransform at = getTransform();
 152         return new Rectangle2D.Double(calcPoint.getX(), calcPoint.getY(), width / at.getScaleX(), height / at.getScaleY()).getBounds2D();
 153     }
 154
 155     private static Point2D calculatePoint2D(DistrictNetworkVertex vertex, Point2D result) {
 156         Point2D point = vertex.getPoint();
 157         double x = ModelledCRS.longitudeToX(point.getX());
 158         double y = ModelledCRS.latitudeToY(-point.getY()); // Inverse because Simantics Diagram is inverted
 159         if (result == null)
 160             result = new Point2D.Double(x, y);
 161         else
 162             result.setLocation(x, y);
 163         return result;
 164     }
 165
 166     public void setVertex(DistrictNetworkVertex vertex) {
 167         this.vertex = vertex;
 168         updateBounds();
 169     }
 170
 171     public boolean hover(boolean hover) {
 172 //        if (hover && LOGGER.isDebugEnabled())
 173 //            LOGGER.debug("Hovering " + this);
 174         boolean changed = false;
 175         if (this.hover != hover) {
 176             this.hover = hover;
 177             changed = true;
 178         }
 179         return changed;
 180     }
 181
 182     public void setColor(Color color) {
 183         this.color = color;
 184     }
 185
 186     public Color getColor() {
 187         return color;
 188     }
 189
 190     @PropertySetter(value = "size")
 191     public void setSize(Double size) {
 192         boolean changed = false;
 193         if (size != null) {
 194             changed = size != this.nodeSize;
 195             this.nodeSize = size;
 196         } else {
 197             changed = this.nodeSize != 1.0;
 198             this.nodeSize = 1.0;
 199         }
 200         if (changed)
 201             updateBounds();
 202     }
 203
 204     @PropertySetter(value = "dynamicColor")
 205     public void setDynamicColor(Color color) {
 206         this.dynamicColor = color;
 207     }
 208
 209 }