org.simantics.district.network.ui/src/org/simantics/district/network/ui/participants/DNPointerInteractor.java

   1 package org.simantics.district.network.ui.participants;
   2
   3 import java.awt.geom.Point2D;
   4 import java.util.Collections;
   5 import java.util.List;
   6 import java.util.Set;
   7
   8 import org.simantics.district.network.ui.adapters.DistrictNetworkEdgeElement;
   9 import org.simantics.district.network.ui.adapters.DistrictNetworkVertexElement;
  10 import org.simantics.g2d.canvas.ICanvasContext;
  11 import org.simantics.g2d.canvas.ICanvasParticipant;
  12 import org.simantics.g2d.diagram.handler.PickRequest.PickSorter;
  13 import org.simantics.g2d.diagram.participant.pointertool.PointerInteractor;
  14 import org.simantics.g2d.diagram.participant.pointertool.TerminalUtil.TerminalInfo;
  15 import org.simantics.g2d.element.ElementHints;
  16 import org.simantics.g2d.element.IElement;
  17 import org.simantics.scenegraph.g2d.IG2DNode;
  18 import org.simantics.scenegraph.g2d.events.EventHandlerReflection.EventHandler;
  19 import org.simantics.scenegraph.g2d.events.KeyEvent.KeyReleasedEvent;
  20 import org.simantics.scenegraph.g2d.events.KeyEvent;
  21 import org.simantics.scenegraph.g2d.nodes.SingleElementNode;
  22
  23 public class DNPointerInteractor extends PointerInteractor {
  24
  25     private RoutingMode routingMode;
  26
  27     private static class DNPickSorter implements PickSorter {
  28
  29         @Override
  30         public void sort(List<IElement> elements) {
  31             Collections.sort(elements, (e1, e2) -> {
  32                 IG2DNode e1node = getNode(e1);
  33                 IG2DNode e2node = getNode(e2);
  34                 if (e1node.getZIndex() < e2node.getZIndex())
  35                     return -1;
  36                 else if (e1node.getZIndex() > e2node.getZIndex())
  37                     return 1;
  38                 return 0;
  39             });
  40         }
  41
  42         private static IG2DNode getNode(IElement element) {
  43             IG2DNode node = element.getHint(DistrictNetworkEdgeElement.KEY_DN_EDGE_NODE);
  44             if (node == null)
  45                 node = element.getHint(DistrictNetworkVertexElement.KEY_DN_VERTEX_NODE);
  46             if (node == null) {
  47                 node = element.getHint(ElementHints.KEY_SG_NODE);
  48                 if (node instanceof SingleElementNode) {
  49                     SingleElementNode snode = (SingleElementNode) node;
  50                     node = snode.getNodes().iterator().next();
  51                 }
  52             }
  53             return node;
  54         }
  55     }
  56
  57     public DNPointerInteractor() {
  58         super(new DNPickSorter());
  59     }
  60
  61     @Override
  62     protected ICanvasParticipant createConnectTool(TerminalInfo ti, int mouseId, Point2D startCanvasPos) {
  63         return super.createConnectTool(ti, mouseId, startCanvasPos);
  64     }
  65
  66     @Override
  67     protected ICanvasParticipant createTranslateTool(int mouseId, Point2D startCanvasPos, Point2D curCanvasPos,
  68             Set<IElement> elementsToDrag) {
  69         return new DNTranslateMode(startCanvasPos, curCanvasPos, mouseId, elementsToDrag);
  70     }
  71
  72     @EventHandler(priority = 1000)
  73     public boolean enterroutingMode(KeyEvent ke) {
  74         if (Character.toLowerCase(ke.character) == 't' && ke instanceof KeyReleasedEvent) {
  75             ICanvasContext canvasContext = getContext();
  76             if (routingMode == null || routingMode.isRemoved()) {
  77                 routingMode = new RoutingMode(0);
  78                 canvasContext.add(routingMode);
  79             }
  80         }
  81         return false;
  82     }
  83
  84 }