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