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.maps.MapScalingTransform;
  13 import org.simantics.scenegraph.INode;
  14 import org.simantics.scenegraph.ISelectionPainterNode;
  15 import org.simantics.scenegraph.g2d.G2DNode;
  16 import org.simantics.scenegraph.g2d.G2DParentNode;
  17 import org.simantics.scenegraph.g2d.IG2DNode;
  18 import org.simantics.scenegraph.g2d.nodes.SVGNode;
  19 import org.simantics.scenegraph.utils.GeometryUtils;
  20 import org.simantics.scenegraph.utils.NodeUtil;
  21
  22 public class DistrictNetworkVertexNode extends G2DParentNode implements ISelectionPainterNode, HoverSensitiveNode {
  23
  24     //private static final Logger LOGGER = LoggerFactory.getLogger(DistrictNetworkVertexNode.class);
  25
  26     private static final long serialVersionUID = -2641639101400236719L;
  27
  28     private static final double left = -15;
  29     private static final double top = left;
  30     public static final double width = 30;
  31     private static final double height = width;
  32
  33     private static final BasicStroke STROKE           = new BasicStroke((float)width, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND);
  34     private static final Color       SELECTION_COLOR  = new Color(255, 0, 255, 96);
  35
  36     private static final Rectangle2D NORMAL = new Rectangle2D.Double(left, top, width, height);
  37     private static final Rectangle2D HOVERED = new Rectangle2D.Double(left * 2, top * 2, width * 2, height * 2);
  38
  39     private DistrictNetworkVertex vertex;
  40
  41     private boolean scaleStroke = true;
  42     private boolean hover;
  43
  44     private Color color;
  45     private transient Color dynamicColor;
  46
  47     private Rectangle2D bounds;
  48     private transient Point2D point;
  49     private transient Rectangle2D rect;
  50     private transient AffineTransform symbolTransform;
  51
  52     private double nodeSize = 1.0;
  53
  54     private boolean hidden = false;
  55
  56     @Override
  57     public void init() {
  58         setZIndex(2);
  59     }
  60
  61     @Override
  62     public void render(Graphics2D g2d) {
  63         AffineTransform ot = null;
  64         AffineTransform t = getTransform();
  65         if (t != null && !t.isIdentity()) {
  66             ot = g2d.getTransform();
  67             g2d.transform(t);
  68         }
  69
  70         // Translate lat and lon to X and Y
  71         Point2D p = point = DistrictNetworkNodeUtils.calculatePoint2D(vertex.getPoint(), point);
  72
  73         double viewScaleRecip = 1;
  74         if (scaleStroke) {
  75             viewScaleRecip *= DistrictNetworkNodeUtils.calculateScaleRecip(g2d.getTransform());
  76         }
  77
  78         if (!hidden && nodeSize > 0.0) {
  79             Object oaaHint = null;
  80             Object aaHint = g2d.getRenderingHint(RenderingHints.KEY_ANTIALIASING);
  81             if (aaHint != RenderingHints.VALUE_ANTIALIAS_OFF) {
  82                 oaaHint = aaHint;
  83                 g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
  84             }
  85
  86             Color oldColor = g2d.getColor();
  87             Color newColor = dynamicColor != null ? dynamicColor : color;
  88             boolean changeColor = !oldColor.equals(newColor);
  89
  90             double scaleRecip = viewScaleRecip * nodeSize;
  91
  92             Rectangle2D toDraw = rect = DistrictNetworkNodeUtils.calculateDrawnGeometry(p, hover ? HOVERED : NORMAL, rect, scaleRecip);
  93
  94             if (NodeUtil.isSelected(this, 1)) {
  95                 changeColor = true;
  96                 g2d.setColor(SELECTION_COLOR);
  97                 BasicStroke ss = GeometryUtils.scaleStroke(STROKE, (float)viewScaleRecip);
  98                 g2d.setStroke(ss);
  99                 g2d.draw(toDraw);
 100             }
 101
 102             // render
 103             if (changeColor)
 104                 g2d.setColor(newColor);
 105             g2d.fill(toDraw);
 106
 107             // Reset settings
 108             if (changeColor)
 109                 g2d.setColor(oldColor);
 110             if (oaaHint != null)
 111                 g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, aaHint);
 112         }
 113
 114         // Render SVG symbol
 115         for (INode nn : getNodes()) {
 116             G2DNode g2dNode = (G2DNode)nn;
 117             if (nn instanceof SVGNode) {
 118                 Rectangle2D toDraw = rect = DistrictNetworkNodeUtils.calculateDrawnGeometry(p, hover ? HOVERED : NORMAL, rect, viewScaleRecip);
 119                 symbolTransform = DistrictNetworkNodeUtils.getTransformToRectangle(toDraw, symbolTransform);
 120                 g2dNode.setTransform(symbolTransform);
 121             }
 122
 123             g2dNode.render(g2d);
 124         }
 125
 126         if (ot != null)
 127             g2d.setTransform(ot);
 128     }
 129
 130     @Override
 131     public Rectangle2D getBounds() {
 132         return super.getBounds();
 133     }
 134
 135     @Override
 136     public Rectangle2D getBoundsInLocal() {
 137         updateBounds();
 138         return bounds;
 139     }
 140
 141     private void updateBounds() {
 142         Rectangle2D oldBounds = bounds;
 143         if (oldBounds == null)
 144             oldBounds = new Rectangle2D.Double();
 145         bounds = calculateBounds(oldBounds);
 146     }
 147
 148     @Override
 149     public void setTransform(AffineTransform transform) {
 150         super.setTransform(transform);
 151         // Update bounds
 152         updateBounds();
 153     }
 154
 155     @Override
 156     public AffineTransform getTransform() {
 157         return super.getTransform();
 158     }
 159
 160     private Rectangle2D calculateBounds(Rectangle2D rect) {
 161         Point2D calcPoint = DistrictNetworkNodeUtils.calculatePoint2D(vertex.getPoint(), point);
 162         AffineTransform at = NodeUtil.getLocalToGlobalTransform(this);
 163         at.concatenate(MapScalingTransform.INSTANCE);
 164         double x = calcPoint.getX();
 165         double y = calcPoint.getY();
 166         double scaleRecip = DistrictNetworkNodeUtils.calculateScaleRecip(at);
 167         double widthh = width * scaleRecip * nodeSize;
 168         double heighth = height * scaleRecip * nodeSize;
 169         if (rect == null)
 170             rect = new Rectangle2D.Double();
 171         rect.setRect(x - widthh/2, y - heighth/2, widthh, heighth);
 172         return rect;
 173     }
 174
 175     public void setVertex(DistrictNetworkVertex vertex) {
 176         this.vertex = vertex;
 177         updateBounds();
 178     }
 179
 180     @Override
 181     public boolean hover(boolean hover, boolean isConnectionTool) {
 182         // Only react to hover when the connection tool is active
 183         boolean doHover = hover && isConnectionTool;
 184         boolean changed = this.hover != doHover;
 185         this.hover = doHover;
 186
 187         for (IG2DNode child : getNodes()) {
 188             if (child instanceof HoverSensitiveNode)
 189                 changed = ((HoverSensitiveNode)child).hover(hover, isConnectionTool) || changed;
 190         }
 191
 192         return changed;
 193     }
 194
 195     @Override
 196     public void setMousePosition(Point2D p) {
 197         for (IG2DNode child : getNodes()) {
 198             if (child instanceof HoverSensitiveNode)
 199                 ((HoverSensitiveNode) child).setMousePosition(p);
 200         }
 201     }
 202
 203     public void setColor(Color color) {
 204         this.color = color;
 205     }
 206
 207     public Color getColor() {
 208         return color;
 209     }
 210
 211     @PropertySetter(value = "SVG")
 212     public void setSVG(String value) {
 213         for (INode nn : this.getNodes())
 214             if (nn instanceof SVGNode)
 215                 ((SVGNode)nn).setData(value);
 216     }
 217
 218
 219     @PropertySetter(value = "size")
 220     public void setSize(Double size) {
 221         boolean changed = false;
 222         if (size != null) {
 223             changed = size != this.nodeSize;
 224             this.nodeSize = size;
 225         } else {
 226             changed = this.nodeSize != 1.0;
 227             this.nodeSize = 1.0;
 228         }
 229         if (changed)
 230             updateBounds();
 231     }
 232
 233     @PropertySetter(value = "dynamicColor")
 234     public void setDynamicColor(Color color) {
 235         this.dynamicColor = color;
 236     }
 237
 238     @PropertySetter(value = "hidden")
 239     public void setHidden(Boolean value) {
 240         this.hidden = value;
 241     }
 242 }