org.simantics.district.network.ui/src/org/simantics/district/network/ui/adapters/DistrictNetworkVertexElement.java

   1 package org.simantics.district.network.ui.adapters;
   2
   3 import java.awt.Color;
   4 import java.awt.geom.AffineTransform;
   5 import java.awt.geom.Rectangle2D;
   6
   7 import org.simantics.district.network.ui.nodes.DistrictNetworkVertexNode;
   8 import org.simantics.g2d.element.ElementClass;
   9 import org.simantics.g2d.element.ElementUtils;
  10 import org.simantics.g2d.element.IElement;
  11 import org.simantics.g2d.element.SceneGraphNodeKey;
  12 import org.simantics.g2d.element.handler.InternalSize;
  13 import org.simantics.g2d.element.handler.SceneGraph;
  14 import org.simantics.g2d.element.handler.impl.DefaultTransform;
  15 import org.simantics.g2d.element.handler.impl.SimpleElementLayers;
  16 import org.simantics.scenegraph.g2d.G2DParentNode;
  17 import org.simantics.utils.datastructures.hints.IHintContext.Key;
  18 import org.simantics.utils.datastructures.hints.IHintContext.KeyOf;
  19
  20 public class DistrictNetworkVertexElement {
  21
  22     public static final Key KEY_DN_VERTEX = new KeyOf(DistrictNetworkVertex.class, "DN_VERTEX");
  23     public static final Key KEY_DN_VERTEX_NODE = new SceneGraphNodeKey(DistrictNetworkVertexNode.class, "DN_VERTEX_NODE");
  24
  25     public static final ElementClass CLASS =
  26             ElementClass.compile(
  27                     DefaultTransform.INSTANCE,
  28                     DNVertexInternalSize.INSTANCE,
  29                     DNVertexSceneGraph.INSTANCE,
  30                     SimpleElementLayers.INSTANCE,
  31                     DistrictNetworkAdditionalColor.INSTANCE
  32             ).setId(DistrictNetworkVertexElement.class.getSimpleName());
  33
  34     static final class DNVertexSceneGraph implements SceneGraph {
  35
  36         public static final DNVertexSceneGraph INSTANCE = new DNVertexSceneGraph();
  37
  38         private static final long serialVersionUID = 8894367073815556871L;
  39
  40         @Override
  41         public void init(IElement vertexElement, G2DParentNode parent) {
  42             DistrictNetworkVertex vertex = vertexElement.getHint(KEY_DN_VERTEX);
  43             if (vertex == null) {
  44                 cleanup(vertexElement);
  45             } else {
  46                 DistrictNetworkVertexNode node = vertexElement.getHint(KEY_DN_VERTEX_NODE);
  47                 if (node == null) {
  48                     node = parent.addNode(ElementUtils.generateNodeId(vertexElement), DistrictNetworkVertexNode.class);
  49                     vertexElement.setHint(KEY_DN_VERTEX_NODE, node);
  50                 }
  51                 node.setVertex(vertex);
  52
  53                 node.setColor(ElementUtils.getAdditionalColor(vertexElement, Color.BLUE));
  54
  55                 AffineTransform at = ElementUtils.getTransform(vertexElement);
  56                 if(at != null)
  57                     node.setTransform(at);
  58             }
  59         }
  60
  61         @Override
  62         public void cleanup(IElement edge) {
  63             ElementUtils.removePossibleNode(edge, KEY_DN_VERTEX_NODE);
  64             edge.removeHint(KEY_DN_VERTEX_NODE);
  65         }
  66     }
  67
  68     static final class DNVertexInternalSize implements InternalSize {
  69
  70         public static final DNVertexInternalSize INSTANCE = new DNVertexInternalSize();
  71
  72         private static final long serialVersionUID = 2625702114278956461L;
  73
  74         @Override
  75         public Rectangle2D getBounds(IElement e, Rectangle2D size) {
  76             DistrictNetworkVertexNode node = e.getHint(KEY_DN_VERTEX_NODE);
  77             size.setFrame(node.getBoundsInLocal());
  78             return size;
  79         }
  80
  81     }
  82 }