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.ui.adapters.DistrictNetworkVertex;
  12 import org.simantics.scenegraph.INode;
  13 import org.simantics.scenegraph.ISelectionPainterNode;
  14 import org.simantics.scenegraph.g2d.G2DNode;
  15 import org.simantics.scenegraph.g2d.G2DParentNode;
  16 import org.simantics.scenegraph.g2d.nodes.SVGNode;
  17 import org.simantics.scenegraph.utils.GeometryUtils;
  18 import org.simantics.scenegraph.utils.NodeUtil;
  19
  20 public class DistrictNetworkVertexNode extends G2DParentNode implements ISelectionPainterNode {
  21
  22     //private static final Logger LOGGER = LoggerFactory.getLogger(DistrictNetworkVertexNode.class);
  23
  24     private static final long serialVersionUID = -2641639101400236719L;
  25
  26     private static final double left = -0.00005;
  27     private static final double top = left;
  28     public static final double width = 0.0001;
  29     private static final double height = width;
  30
  31     private static final BasicStroke STROKE           = new BasicStroke((float)width, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND);
  32     private static final Color       SELECTION_COLOR  = new Color(255, 0, 255, 96);
  33
  34     private static final Rectangle2D NORMAL = new Rectangle2D.Double(left, top, width, height);
  35     private static final Rectangle2D HOVERED = new Rectangle2D.Double(left * 3, top * 3, width * 3, height * 3);
  36
  37     private DistrictNetworkVertex vertex;
  38
  39     private boolean scaleStroke = true;
  40     private boolean hover;
  41
  42     private Color color;
  43     private transient Color dynamicColor;
  44
  45     private Rectangle2D bounds;
  46     private transient Point2D point;
  47     private transient Rectangle2D rect;
  48     private transient AffineTransform symbolTransform;
  49
  50     private double nodeSize = 1;
  51
  52     @Override
  53     public void init() {
  54         setZIndex(2);
  55     }
  56
  57     @Override
  58     public void render(Graphics2D g2d) {
  59         if (nodeSize <= 0.0)
  60             return;
  61
  62         AffineTransform ot = null;
  63         AffineTransform t = getTransform();
  64         if (t != null && !t.isIdentity()) {
  65             ot = g2d.getTransform();
  66             g2d.transform(t);
  67         }
  68
  69         Object oaaHint = null;
  70         Object aaHint = g2d.getRenderingHint(RenderingHints.KEY_ANTIALIASING);
  71         if (aaHint != RenderingHints.VALUE_ANTIALIAS_OFF) {
  72             oaaHint = aaHint;
  73             g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
  74         }
  75
  76         Color oldColor = g2d.getColor();
  77         Color newColor = dynamicColor != null ? dynamicColor : color;
  78         boolean changeColor = !oldColor.equals(newColor);
  79
  80         double viewScaleRecip = 1;
  81         if (scaleStroke) {
  82             viewScaleRecip *= DistrictNetworkNodeUtils.calculateScaleRecip(g2d.getTransform());
  83         }
  84         double scaleRecip = viewScaleRecip * nodeSize;
  85
  86         // Translate lat and lon to X and Y
  87         Point2D p = point = DistrictNetworkNodeUtils.calculatePoint2D(vertex.getPoint(), point);
  88         Rectangle2D toDraw = rect = DistrictNetworkNodeUtils.calculateDrawnGeometry(p, hover ? HOVERED : NORMAL, rect, scaleRecip);
  89
  90         if (NodeUtil.isSelected(this, 1)) {
  91             changeColor = true;
  92             g2d.setColor(SELECTION_COLOR);
  93             BasicStroke ss = GeometryUtils.scaleStroke(STROKE, (float) (viewScaleRecip*0.5));
  94             g2d.setStroke(ss);
  95             g2d.draw(toDraw);
  96         }
  97
  98         // render
  99         if (changeColor)
 100             g2d.setColor(newColor);
 101         g2d.fill(toDraw);
 102
 103         // Reset settings
 104         if (changeColor)
 105             g2d.setColor(oldColor);
 106         if (oaaHint != null)
 107             g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, aaHint);
 108
 109         // Render SVG symbol
 110         for (INode nn : getNodes()) {
 111             G2DNode g2dNode = (G2DNode)nn;
 112             if (nn instanceof SVGNode) {
 113                 symbolTransform = DistrictNetworkNodeUtils.getTransformToRectangle(toDraw, symbolTransform);
 114                 g2dNode.setTransform(symbolTransform);
 115             }
 116             g2dNode.render(g2d);
 117         }
 118
 119         if (ot != null)
 120             g2d.setTransform(ot);
 121     }
 122
 123     @Override
 124     public Rectangle2D getBounds() {
 125         return super.getBounds();
 126     }
 127
 128     @Override
 129     public Rectangle2D getBoundsInLocal() {
 130         return bounds;
 131     }
 132
 133     private void updateBounds() {
 134         Rectangle2D oldBounds = bounds;
 135         if (oldBounds == null)
 136             oldBounds = new Rectangle2D.Double();
 137         bounds = calculateBounds(oldBounds);
 138     }
 139
 140     @Override
 141     public void setTransform(AffineTransform transform) {
 142         super.setTransform(transform);
 143         // Update bounds
 144         updateBounds();
 145     }
 146
 147     @Override
 148     public AffineTransform getTransform() {
 149         return super.getTransform();
 150     }
 151
 152     private Rectangle2D calculateBounds(Rectangle2D rect) {
 153         Point2D calcPoint = DistrictNetworkNodeUtils.calculatePoint2D(vertex.getPoint(), point);
 154         AffineTransform at = getTransform();
 155         double x = calcPoint.getX();
 156         double y = calcPoint.getY();
 157         double widthh = width / at.getScaleX();
 158         double heighth = height / at.getScaleY();
 159         return new Rectangle2D.Double(x - widthh, y - heighth, widthh * 2, heighth * 2).getBounds2D();
 160     }
 161
 162     public void setVertex(DistrictNetworkVertex vertex) {
 163         this.vertex = vertex;
 164         updateBounds();
 165     }
 166
 167     public boolean hover(boolean hover) {
 168 //        if (hover && LOGGER.isDebugEnabled())
 169 //            LOGGER.debug("Hovering " + this);
 170         boolean changed = false;
 171         if (this.hover != hover) {
 172             this.hover = hover;
 173             changed = true;
 174         }
 175         return changed;
 176     }
 177
 178     public void setColor(Color color) {
 179         this.color = color;
 180     }
 181
 182     public Color getColor() {
 183         return color;
 184     }
 185
 186     @PropertySetter(value = "SVG")
 187     public void setSVG(String value) {
 188         for (INode nn : this.getNodes())
 189             if (nn instanceof SVGNode)
 190                 ((SVGNode)nn).setData(value);
 191     }
 192
 193
 194     @PropertySetter(value = "size")
 195     public void setSize(Double size) {
 196         boolean changed = false;
 197         if (size != null) {
 198             changed = size != this.nodeSize;
 199             this.nodeSize = size;
 200         } else {
 201             changed = this.nodeSize != 1.0;
 202             this.nodeSize = 1.0;
 203         }
 204         if (changed)
 205             updateBounds();
 206     }
 207
 208     @PropertySetter(value = "dynamicColor")
 209     public void setDynamicColor(Color color) {
 210         this.dynamicColor = color;
 211     }
 212
 213 }