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

   1 package org.simantics.district.network.ui.participants;
   2
   3 import java.awt.Color;
   4 import java.util.Iterator;
   5
   6 import org.eclipse.e4.core.services.events.IEventBroker;
   7 import org.eclipse.jface.viewers.StructuredSelection;
   8 import org.simantics.browsing.ui.common.AdaptableHintContext;
   9 import org.simantics.db.Resource;
  10 import org.simantics.db.layer0.SelectionHints;
  11 import org.simantics.diagram.elements.DiagramNodeUtil;
  12 import org.simantics.district.network.ui.adapters.DistrictNetworkEdgeElement;
  13 import org.simantics.district.network.ui.adapters.DistrictNetworkVertexElement;
  14 import org.simantics.district.network.ui.nodes.DistrictNetworkEdgeNode;
  15 import org.simantics.district.network.ui.nodes.DistrictNetworkVertexNode;
  16 import org.simantics.g2d.canvas.ICanvasContext;
  17 import org.simantics.g2d.diagram.participant.AbstractDiagramParticipant;
  18 import org.simantics.g2d.element.IElement;
  19 import org.simantics.scenegraph.g2d.G2DParentNode;
  20 import org.simantics.scl.runtime.tuple.Tuple2;
  21 import org.simantics.utils.datastructures.hints.IHintContext.Key;
  22 import org.simantics.utils.datastructures.hints.IHintContext.KeyOf;
  23
  24 public class DistrictFinderVisualisationParticipant extends AbstractDiagramParticipant {
  25
  26     private static final String TOPIC = "org/simantics/district/selection/elementQuerySelection";
  27     private static final String TOPIC2 = "org/simantics/district/visualisationTrigger";
  28
  29     private IEventBroker broker;
  30
  31     public DistrictFinderVisualisationParticipant(IEventBroker broker) {
  32         this.broker = broker;
  33     }
  34
  35     public static final Key COLOR_KEY = new KeyOf(Color.class, "COLOR");
  36
  37     @Override
  38     public void addedToContext(ICanvasContext ctx) {
  39         super.addedToContext(ctx);
  40
  41         broker.subscribe(TOPIC, event -> {
  42             StructuredSelection selection = (StructuredSelection) event.getProperty(IEventBroker.DATA);
  43             Iterator<?> iterator = selection.iterator();
  44             while (iterator.hasNext()) {
  45                 AdaptableHintContext next = (AdaptableHintContext) iterator.next();
  46                 Resource resource = next.getHint(SelectionHints.KEY_MAIN);
  47                 Color colorr = next.getHint(COLOR_KEY);
  48                 IElement element = DiagramNodeUtil.findElement(ctx, resource);
  49                 final G2DParentNode node = element.getHint(DistrictNetworkEdgeElement.KEY_DN_EDGE_NODE);
  50                 if (node != null) {
  51                     // color is a bit special - if not present then reset with null value
  52                     ((DistrictNetworkEdgeNode) node).setDynamicColor(colorr);
  53                     node.repaint();
  54                 } else {
  55                     final G2DParentNode vertexNode = element.getHint(DistrictNetworkVertexElement.KEY_DN_VERTEX_NODE);
  56                     ((DistrictNetworkVertexNode) vertexNode).setDynamicColor(colorr);
  57                     vertexNode.repaint();
  58                 }
  59             }
  60         });
  61         broker.subscribe(TOPIC2, event -> {
  62                 Tuple2 data = (Tuple2) event.getProperty(IEventBroker.DATA);
  63                 Resource resource = (Resource) data.c0;
  64                 Color colorr = (Color) data.c1;
  65             IElement element = DiagramNodeUtil.findElement(ctx, resource);
  66             final G2DParentNode node = element.getHint(DistrictNetworkEdgeElement.KEY_DN_EDGE_NODE);
  67             if (node != null) {
  68                 // color is a bit special - if not present then reset with null value
  69                 ((DistrictNetworkEdgeNode) node).setEventColor(colorr);
  70                 node.repaint();
  71             } else {
  72                 final G2DParentNode vertexNode = element.getHint(DistrictNetworkVertexElement.KEY_DN_VERTEX_NODE);
  73                 ((DistrictNetworkVertexNode) vertexNode).setEventColor(colorr);
  74                 vertexNode.repaint();
  75             }
  76         });
  77     }
  78
  79     @Override
  80     public void removedFromContext(ICanvasContext ctx) {
  81         super.removedFromContext(ctx);
  82     }
  83 }