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.IElement;
  15 import org.simantics.scenegraph.g2d.G2DNode;
  16
  17 public class DNPointerInteractor extends PointerInteractor {
  18
  19     private static class DNPickSorter implements PickSorter {
  20
  21         @Override
  22         public void sort(List<IElement> elements) {
  23             Collections.sort(elements, (e1, e2) -> {
  24                 G2DNode e1node = getNode(e1);
  25                 G2DNode e2node = getNode(e2);
  26                 if (e1node.getZIndex() < e2node.getZIndex())
  27                     return -1;
  28                 else if (e1node.getZIndex() > e2node.getZIndex())
  29                     return 1;
  30                 return 0;
  31             });
  32         }
  33
  34         private static G2DNode getNode(IElement element) {
  35             G2DNode node = element.getHint(DistrictNetworkEdgeElement.KEY_DN_EDGE_NODE);
  36             if (node == null)
  37                 node = element.getHint(DistrictNetworkVertexElement.KEY_DN_VERTEX_NODE);
  38             return node;
  39         }
  40     }
  41
  42     public DNPointerInteractor() {
  43         super(new DNPickSorter());
  44     }
  45
  46     @Override
  47     protected ICanvasParticipant createConnectTool(TerminalInfo ti, int mouseId, Point2D startCanvasPos) {
  48         return super.createConnectTool(ti, mouseId, startCanvasPos);
  49     }
  50
  51     @Override
  52     protected ICanvasParticipant createTranslateTool(int mouseId, Point2D startCanvasPos, Point2D curCanvasPos,
  53             Set<IElement> elementsToDrag) {
  54         return new DNTranslateMode(startCanvasPos, curCanvasPos, mouseId, elementsToDrag);
  55     }
  56 }