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

   1 package org.simantics.district.network.ui;
   2
   3 import java.util.concurrent.TimeUnit;
   4
   5 import org.simantics.db.ReadGraph;
   6 import org.simantics.db.common.request.UniqueRead;
   7 import org.simantics.db.exception.DatabaseException;
   8 import org.simantics.db.procedure.Listener;
   9 import org.simantics.district.network.DistrictNetworkUtil;
  10 import org.simantics.district.network.ui.participants.DNPointerInteractor;
  11 import org.simantics.district.network.ui.participants.MapRulerPainter;
  12 import org.simantics.g2d.canvas.ICanvasContext;
  13 import org.simantics.g2d.canvas.impl.CanvasContext;
  14 import org.simantics.g2d.diagram.handler.PickRequest.PickFilter;
  15 import org.simantics.g2d.diagram.participant.DelayedBatchElementPainter;
  16 import org.simantics.g2d.diagram.participant.ElementPainter;
  17 import org.simantics.g2d.diagram.participant.Selection;
  18 import org.simantics.g2d.diagram.participant.ZOrderHandler;
  19 import org.simantics.g2d.participant.BackgroundPainter;
  20 import org.simantics.g2d.participant.GridPainter;
  21 import org.simantics.g2d.participant.PanZoomRotateHandler;
  22 import org.simantics.g2d.participant.RenderingQualityInteractor;
  23 import org.simantics.g2d.participant.ZoomToAreaHandler;
  24 import org.simantics.maps.MapScalingTransform;
  25 import org.simantics.maps.eclipse.MapPainter;
  26 import org.simantics.modeling.ui.diagramEditor.DiagramViewer;
  27 import org.simantics.scenegraph.g2d.events.command.CommandEvent;
  28 import org.simantics.scenegraph.g2d.events.command.Commands;
  29 import org.simantics.utils.datastructures.hints.IHintContext;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 public class DistrictDiagramViewer extends DiagramViewer {
  34
  35     private static final Logger LOGGER = LoggerFactory.getLogger(DistrictDiagramViewer.class);
  36
  37     @Override
  38     protected void addDiagramParticipants(ICanvasContext ctx) {
  39         ctx.add(new ZOrderHandler());
  40         ctx.add(new Selection());
  41         ctx.add(new ElementPainter());
  42         ctx.add(new DNPointerInteractor());
  43
  44         ctx.add(new MapPainter(MapScalingTransform.INSTANCE));
  45
  46         ctx.add(new NetworkDrawingParticipant(MapScalingTransform.INSTANCE));
  47     }
  48
  49     protected String getPopupId() {
  50         return "#DistrictDiagramPopup";
  51     }
  52
  53     @Override
  54     public void initializeCanvasContext(CanvasContext ctx) {
  55         super.initializeCanvasContext(ctx);
  56         IHintContext h = ctx.getDefaultHintContext();
  57         h.setHint(PanZoomRotateHandler.KEY_ZOOM_IN_LIMIT, 10000.0);
  58         h.setHint(PanZoomRotateHandler.KEY_ZOOM_OUT_LIMIT, 0.01);
  59     }
  60
  61     @Override
  62     protected void addPainterParticipants(ICanvasContext ctx) {
  63         ctx.add(new RenderingQualityInteractor());
  64         ctx.add(new DelayedBatchElementPainter(PickFilter.FILTER_MONITORS, 500, TimeUnit.MILLISECONDS));
  65     }
  66
  67     @Override
  68     protected void addGridRulerBackgroundParticipants(CanvasContext ctx) {
  69         ctx.add(new GridPainter());
  70         ctx.add(new MapRulerPainter());
  71         ctx.add(new BackgroundPainter());
  72     }
  73
  74     protected void addViewManipulationParticipants(CanvasContext ctx) {
  75         ctx.add(new DistrictPanZoomRotateHandler());
  76         //ctx.add(new MousePanZoomInteractor());
  77         //ctx.add(new MultitouchPanZoomRotateInteractor());
  78         // ctx.add( new OrientationRestorer() );
  79         ctx.add(new ZoomToAreaHandler());
  80     }
  81
  82     @Override
  83     protected void loadPageSettings(ICanvasContext ctx) {
  84         super.loadPageSettings(ctx);
  85         // this might be the wrong place to start such listening but at least
  86         // super.loadPageSettings() does async-db-operations
  87         sessionContext.getSession().asyncRequest(new UniqueRead<Boolean>() {
  88
  89             @Override
  90             public Boolean perform(ReadGraph graph) throws DatabaseException {
  91                 return DistrictNetworkUtil.drawMapEnabled(graph, getInputResource());
  92             }
  93         }, new Listener<Boolean>() {
  94
  95             @Override
  96             public void execute(Boolean result) {
  97                 canvasContext.getEventQueue().queueEvent(new CommandEvent(canvasContext, System.currentTimeMillis(), result ? Commands.MAP_ENABLE : Commands.MAP_DISABLE));
  98             }
  99
 100             @Override
 101             public void exception(Throwable t) {
 102                 LOGGER.error("Could not listen draw map for {}", getInputResource(), t);
 103             }
 104
 105             @Override
 106             public boolean isDisposed() {
 107                 return DistrictDiagramViewer.this.isDisposed();
 108             }
 109         });
 110     }
 111 }