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 * 2, top * 2, width * 2, height * 2);
  31
  32     private Stroke stroke = new BasicStroke(2);
  33     private boolean scaleStroke = true;
  34     private boolean hover;
  35
  36     @Override
  37     public void init() {
  38         setZIndex(2);
  39     }
  40
  41     @Override
  42     public void render(Graphics2D g2d) {
  43         AffineTransform ot = null;
  44         AffineTransform t = getTransform();
  45         if (t != null && !t.isIdentity()) {
  46             ot = g2d.getTransform();
  47             g2d.transform(getTransform());
  48         }
  49
  50         Object aaHint = g2d.getRenderingHint(RenderingHints.KEY_ANTIALIASING);
  51         g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
  52
  53         Color oldColor = g2d.getColor();
  54         Stroke oldStroke = g2d.getStroke();
  55
  56         g2d.setColor(Color.RED);
  57
  58         double scaleRecip = 1;
  59         if (scaleStroke) {
  60             double scale = GeometryUtils.getScale(g2d.getTransform());
  61
  62             //System.out.println("scale: " + scale);
  63             scaleRecip = 1.0 / scale;
  64         }
  65         scaleRecip = 8.0 * scaleRecip;
  66
  67         Rectangle2D toDraw;
  68         if (hover) {
  69             toDraw = new Rectangle2D.Double(HOVERED.getX() * scaleRecip, HOVERED.getY() * scaleRecip, HOVERED.getWidth() * scaleRecip, HOVERED.getHeight() * scaleRecip);
  70         } else {
  71             toDraw = new Rectangle2D.Double(NORMAL.getX() * scaleRecip, NORMAL.getY() * scaleRecip, NORMAL.getWidth() * scaleRecip, NORMAL.getHeight() * scaleRecip);
  72         }
  73         // render
  74         g2d.fill(toDraw);
  75
  76         // Reset stats
  77         g2d.setColor(oldColor);
  78         g2d.setStroke(oldStroke);
  79
  80         g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, aaHint);
  81
  82         if (ot != null)
  83             g2d.setTransform(ot);
  84     }
  85
  86     @Override
  87     public Rectangle2D getBoundsInLocal() {
  88         return NORMAL;
  89     }
  90
  91     public void setVertex(DistrictNetworkVertex vertex) {
  92         this.vertex = vertex;
  93     }
  94
  95     public boolean hover(boolean hover) {
  96 //        if (hover && LOGGER.isDebugEnabled())
  97 //            LOGGER.debug("Hovering " + this);
  98         boolean changed = false;
  99         if (this.hover != hover) {
 100             this.hover = hover;
 101             changed = true;
 102         }
 103         return changed;
 104     }
 105
 106 }