org.simantics.district.network.ui/src/org/simantics/district/network/ui/NetworkDrawingParticipant.java

   1 \r
   2 package org.simantics.district.network.ui;\r
   3 \r
   4 import org.simantics.district.network.ui.nodes.NetworkDrawingNode;\r
   5 import org.simantics.g2d.canvas.impl.SGNodeReflection.SGInit;\r
   6 import org.simantics.g2d.diagram.IDiagram;\r
   7 import org.simantics.g2d.diagram.participant.AbstractDiagramParticipant;\r
   8 import org.simantics.scenegraph.g2d.G2DParentNode;\r
   9 import org.simantics.utils.datastructures.hints.IHintContext.Key;\r
  10 import org.simantics.utils.datastructures.hints.IHintContext.KeyOf;\r
  11 \r
  12 public class NetworkDrawingParticipant extends AbstractDiagramParticipant {\r
  13 \r
  14     /**\r
  15      * A hint key for terminal pick distance in control pixels.\r
  16      * @see #PICK_DIST\r
  17      */\r
  18     public static final Key KEY_PICK_DISTANCE = new KeyOf(Double.class, "PICK_DISTANCE");\r
  19 \r
  20     /**\r
  21      * Default terminal pick distance in control pixels.\r
  22      * @see #DEFAULT_PICK_DISTANCE\r
  23      */\r
  24     public static final double PICK_DIST = 10;\r
  25     \r
  26     private NetworkDrawingNode node;\r
  27     \r
  28     @SGInit\r
  29     public void initSG(G2DParentNode parent) {\r
  30         node = parent.addNode("networkDrawingNode", NetworkDrawingNode.class);\r
  31         node.setNetworkDrawingParticipant(this);\r
  32     }\r
  33     \r
  34     @Override\r
  35     protected void onDiagramSet(IDiagram newDiagram, IDiagram oldDiagram) {\r
  36         node.setDiagram(newDiagram);\r
  37     }\r
  38 \r
  39 }\r