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.Rectangle2D;
  10
  11 import org.simantics.district.network.ui.adapters.DistrictNetworkVertex;
  12 import org.simantics.scenegraph.g2d.G2DNode;
  13 import org.simantics.scenegraph.utils.GeometryUtils;
  14 import org.slf4j.Logger;
  15 import org.slf4j.LoggerFactory;
  16
  17 public class DistrictNetworkVertexNode extends G2DNode {
  18
  19     private static final Logger LOGGER = LoggerFactory.getLogger(DistrictNetworkVertexNode.class);
  20
  21     private static final long serialVersionUID = -2641639101400236719L;
  22     private DistrictNetworkVertex vertex;
  23
  24     private static final double left = -0.5;
  25     private static final double top = -0.5;
  26     private static final double width = 1;
  27     private static final double height = 1;
  28
  29     private static final Rectangle2D NORMAL = new Rectangle2D.Double(left, top, width, height);
  30     private static final Rectangle2D HOVERED = new Rectangle2D.Double(left * 3, top * 3, width * 3, height * 3);
  31
  32     private Stroke stroke = new BasicStroke(2);
  33     private boolean scaleStroke = true;
  34     private boolean hover;
  35
  36     private Color color;
  37
  38     @Override
  39     public void init() {
  40         setZIndex(2);
  41     }
  42
  43     @Override
  44     public void render(Graphics2D g2d) {
  45         AffineTransform ot = null;
  46         AffineTransform t = getTransform();
  47         if (t != null && !t.isIdentity()) {
  48             ot = g2d.getTransform();
  49             g2d.transform(getTransform());
  50         }
  51
  52         Object aaHint = g2d.getRenderingHint(RenderingHints.KEY_ANTIALIASING);
  53         g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
  54
  55         Color oldColor = g2d.getColor();
  56         Stroke oldStroke = g2d.getStroke();
  57
  58         g2d.setColor(color);
  59
  60         double scaleRecip = 1;
  61         if (scaleStroke) {
  62             double scale = GeometryUtils.getScale(g2d.getTransform());
  63
  64             //System.out.println("scale: " + scale);
  65             scaleRecip = 1.0 / scale;
  66         }
  67         scaleRecip = 8.0 * scaleRecip;
  68
  69         Rectangle2D toDraw;
  70         if (hover) {
  71             toDraw = new Rectangle2D.Double(HOVERED.getX() * scaleRecip, HOVERED.getY() * scaleRecip, HOVERED.getWidth() * scaleRecip, HOVERED.getHeight() * scaleRecip);
  72         } else {
  73             toDraw = new Rectangle2D.Double(NORMAL.getX() * scaleRecip, NORMAL.getY() * scaleRecip, NORMAL.getWidth() * scaleRecip, NORMAL.getHeight() * scaleRecip);
  74         }
  75         // render
  76         g2d.fill(toDraw);
  77
  78         // Reset stats
  79         g2d.setColor(oldColor);
  80         g2d.setStroke(oldStroke);
  81
  82         g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, aaHint);
  83
  84         if (ot != null)
  85             g2d.setTransform(ot);
  86     }
  87
  88     @Override
  89     public Rectangle2D getBoundsInLocal() {
  90         if (hover)
  91             return HOVERED;
  92         return NORMAL;
  93     }
  94
  95     public void setVertex(DistrictNetworkVertex vertex) {
  96         this.vertex = vertex;
  97     }
  98
  99     public boolean hover(boolean hover) {
 100 //        if (hover && LOGGER.isDebugEnabled())
 101 //            LOGGER.debug("Hovering " + this);
 102         boolean changed = false;
 103         if (this.hover != hover) {
 104             this.hover = hover;
 105             changed = true;
 106         }
 107         return changed;
 108     }
 109
 110     public void setColor(Color color) {
 111         this.color = color;
 112     }
 113
 114     public Color getColor() {
 115         return color;
 116     }
 117
 118 }