org.simantics.district.network.ui/src/org/simantics/district/network/ui/nodes/DistrictNetworkEdgeNode.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.Path2D;
   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.DistrictNetworkEdge;
  14 import org.simantics.district.network.ui.adapters.DistrictNetworkEdgeElementFactory;
  15 import org.simantics.maps.MapScalingTransform;
  16 import org.simantics.scenegraph.INode;
  17 import org.simantics.scenegraph.ISelectionPainterNode;
  18 import org.simantics.scenegraph.g2d.G2DNode;
  19 import org.simantics.scenegraph.g2d.G2DParentNode;
  20 import org.simantics.scenegraph.g2d.nodes.SVGNode;
  21 import org.simantics.scenegraph.utils.GeometryUtils;
  22 import org.simantics.scenegraph.utils.NodeUtil;
  23
  24 public class DistrictNetworkEdgeNode extends G2DParentNode implements ISelectionPainterNode {
  25
  26     private static final long serialVersionUID = 8049769475036519806L;
  27
  28     private static final BasicStroke STROKE           = new BasicStroke(4, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND);
  29     private static final Color       SELECTION_COLOR  = new Color(255, 0, 255, 96);
  30
  31     private DistrictNetworkEdge edge;
  32     private Rectangle2D bounds;
  33     private transient Path2D path;
  34
  35     private boolean scaleStroke = true;
  36     private Color color;
  37     private Double stroke;
  38     private transient Color dynamicColor = null;
  39
  40     // Dimensions for shut-off valve symbol
  41     private static final double left = -0.25;
  42     private static final double top = -0.25;
  43     private static final double width = 0.5;
  44     private static final double height = 0.5;
  45
  46     private static final Rectangle2D NORMAL = new Rectangle2D.Double(left, top, width, height);
  47
  48     private transient Point2D centerPoint;
  49     private transient Rectangle2D symbolRect;
  50     private transient AffineTransform symbolTransform;
  51
  52     @Override
  53     public void init() {
  54     }
  55
  56     @Override
  57     public void render(Graphics2D g2d) {
  58         AffineTransform ot = null;
  59         AffineTransform t = getTransform();
  60         if (t != null && !t.isIdentity()) {
  61             ot = g2d.getTransform();
  62             g2d.transform(getTransform());
  63         }
  64
  65         Object aaHint = g2d.getRenderingHint(RenderingHints.KEY_ANTIALIASING);
  66         g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
  67
  68         Color oldColor = g2d.getColor();
  69         BasicStroke oldStroke = (BasicStroke) g2d.getStroke();
  70
  71         BasicStroke bs = null;
  72         if (scaleStroke) {
  73             double scale = GeometryUtils.getScale(g2d.getTransform());
  74             scale = Math.max(10000, Math.min(scale, 50000));
  75             double str = stroke != null ? Math.abs(stroke) : 1.0;
  76             bs = GeometryUtils.scaleStroke(STROKE, (float) (str / scale));
  77         } else {
  78             bs = STROKE;
  79         }
  80         int zoomLevel = MapScalingTransform.zoomLevel(ot);
  81         path = calculatePath(edge, path, zoomLevel > 15);
  82
  83         if (isSelected()) {
  84             g2d.setColor(SELECTION_COLOR);
  85             g2d.setStroke(GeometryUtils.scaleStroke(bs, 4f));
  86             g2d.draw(path);
  87         }
  88
  89         g2d.setColor(dynamicColor != null ? dynamicColor : color);
  90         g2d.setStroke(bs);
  91         g2d.draw(path);
  92
  93         // Reset
  94         g2d.setStroke(oldStroke);
  95         g2d.setColor(oldColor);
  96
  97         // Render SVG symbol
  98         double viewScaleRecip = 10;
  99         if (scaleStroke) {
 100             double scale = GeometryUtils.getScale(g2d.getTransform());
 101             scale = Math.max(10000, Math.min(scale, 50000));
 102             viewScaleRecip /= scale;
 103         }
 104
 105         Point2D p = getCenterPoint();
 106         symbolRect = DistrictNetworkNodeUtils.calculateDrawnGeometry(p, NORMAL, symbolRect, viewScaleRecip);
 107         symbolTransform = DistrictNetworkNodeUtils.getTransformToRectangle(symbolRect, symbolTransform);
 108
 109         for (INode nn : getNodes()) {
 110             G2DNode g2dNode = (G2DNode)nn;
 111             g2dNode.setTransform(symbolTransform);
 112             g2dNode.render(g2d);
 113         }
 114
 115         g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, aaHint);
 116
 117         if (ot != null)
 118             g2d.setTransform(ot);
 119     }
 120
 121     private Point2D getCenterPoint() {
 122         if (centerPoint == null)
 123             centerPoint = new Point2D.Double();
 124
 125         Rectangle2D bounds = path.getBounds2D();
 126         centerPoint.setLocation(bounds.getCenterX(), bounds.getCenterY());
 127         return centerPoint;
 128     }
 129
 130 //    public static Line2D calculateLine(DistrictNetworkEdge edge, Line2D result) {
 131 //        // Convert to screen coordinates
 132 //        double startX = ModelledCRS.longitudeToX(edge.getStartPoint().getX());
 133 //        double startY = ModelledCRS.latitudeToY(-edge.getStartPoint().getY()); // Invert for Simantics
 134 //        double endX = ModelledCRS.longitudeToX(edge.getEndPoint().getX());
 135 //        double endY = ModelledCRS.latitudeToY(-edge.getEndPoint().getY());// Invert for Simantics
 136 //
 137 //        if (result == null)
 138 //            result = new Line2D.Double();
 139 //        result.setLine(startX, startY, endX, endY);
 140 //        return result;
 141 //    }
 142
 143     public static Path2D calculatePath(DistrictNetworkEdge edge, Path2D result, boolean detailed) {
 144         // Convert to screen coordinates
 145         double startX = ModelledCRS.longitudeToX(edge.getStartPoint().getX());
 146         double startY = ModelledCRS.latitudeToY(-edge.getStartPoint().getY()); // Invert for Simantics
 147         double endX = ModelledCRS.longitudeToX(edge.getEndPoint().getX());
 148         double endY = ModelledCRS.latitudeToY(-edge.getEndPoint().getY());// Invert for Simantics
 149
 150         if (result == null) {
 151              result = new Path2D.Double();
 152         } else {
 153              result.reset();
 154         }
 155         result.moveTo(startX, startY);
 156         if (detailed) {
 157             double[] detailedGeometry = edge.getGeometry();
 158             if (detailedGeometry != null && !DistrictNetworkEdgeElementFactory.EMPTY.equals(detailedGeometry)) {
 159                 // ok, lets do this
 160
 161                 for (int i = 0; i < detailedGeometry.length; i += 2) {
 162                     double x = ModelledCRS.longitudeToX(detailedGeometry[i]);
 163                     double y = ModelledCRS.latitudeToY(-detailedGeometry[i+1]);// Invert for Simantics
 164                     result.lineTo(x, y);
 165                 }
 166             }
 167         }
 168         result.lineTo(endX, endY);
 169         return result;
 170     }
 171
 172     private boolean isSelected() {
 173         return NodeUtil.isSelected(this, 1);
 174     }
 175
 176     @Override
 177     public Rectangle2D getBoundsInLocal() {
 178         return bounds;
 179     }
 180
 181     private void updateBounds() {
 182         Rectangle2D oldBounds = bounds;
 183         if (oldBounds == null)
 184             oldBounds = new Rectangle2D.Double();
 185         bounds = calculateBounds(oldBounds);
 186     }
 187
 188     private Rectangle2D calculateBounds(Rectangle2D rect) {
 189         return calculatePath(edge, null, false).getBounds2D();
 190     }
 191
 192     public void setDNEdge(DistrictNetworkEdge edge) {
 193         this.edge = edge;
 194         updateBounds();
 195     }
 196
 197     public void setColor(Color color) {
 198         this.color = color;
 199     }
 200
 201     public Color getColor() {
 202         return color;
 203     }
 204
 205     @PropertySetter(value = "stroke")
 206     public void setStroke(Double stroke) {
 207         this.stroke = stroke;
 208     }
 209
 210     @PropertySetter(value = "dynamicColor")
 211     public void setDynamicColor(Color color) {
 212         this.dynamicColor = color;
 213     }
 214
 215     @PropertySetter(value = "SVG")
 216     public void setSVG(String value) {
 217         for (INode nn : this.getNodes())
 218             if (nn instanceof SVGNode)
 219                 ((SVGNode)nn).setData(value);
 220     }
 221
 222 }