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.diagram.ui.DiagramModelHints;
  10 import org.simantics.district.network.DistrictNetworkUtil;
  11 import org.simantics.district.network.ui.participants.DNPointerInteractor;
  12 import org.simantics.district.network.ui.participants.MapRulerPainter;
  13 import org.simantics.g2d.canvas.ICanvasContext;
  14 import org.simantics.g2d.canvas.impl.CanvasContext;
  15 import org.simantics.g2d.diagram.handler.PickRequest.PickFilter;
  16 import org.simantics.g2d.diagram.participant.DelayedBatchElementPainter;
  17 import org.simantics.g2d.diagram.participant.ElementPainter;
  18 import org.simantics.g2d.diagram.participant.Selection;
  19 import org.simantics.g2d.diagram.participant.ZOrderHandler;
  20 import org.simantics.g2d.participant.BackgroundPainter;
  21 import org.simantics.g2d.participant.GridPainter;
  22 import org.simantics.g2d.participant.PanZoomRotateHandler;
  23 import org.simantics.g2d.participant.RenderingQualityInteractor;
  24 import org.simantics.g2d.participant.ZoomToAreaHandler;
  25 import org.simantics.maps.MapScalingTransform;
  26 import org.simantics.maps.eclipse.MapPainter;
  27 import org.simantics.modeling.ui.diagramEditor.DiagramViewer;
  28 import org.simantics.scenegraph.g2d.events.command.CommandEvent;
  29 import org.simantics.scenegraph.g2d.events.command.Commands;
  30 import org.simantics.utils.datastructures.hints.IHintContext;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 public class DistrictDiagramViewer extends DiagramViewer {
  35
  36     private static final Logger LOGGER = LoggerFactory.getLogger(DistrictDiagramViewer.class);
  37
  38     @Override
  39     protected void addDiagramParticipants(ICanvasContext ctx) {
  40         ctx.add(new ZOrderHandler());
  41         ctx.add(new Selection());
  42         ctx.add(new ElementPainter());
  43         ctx.add(new DNPointerInteractor());
  44
  45         ctx.add(new MapPainter(MapScalingTransform.INSTANCE));
  46
  47         ctx.add(new NetworkDrawingParticipant(MapScalingTransform.INSTANCE));
  48     }
  49
  50     protected String getPopupId() {
  51         return "#DistrictDiagramPopup";
  52     }
  53
  54     @Override
  55     public void initializeCanvasContext(CanvasContext ctx) {
  56         super.initializeCanvasContext(ctx);
  57         IHintContext h = ctx.getDefaultHintContext();
  58         h.setHint(PanZoomRotateHandler.KEY_ZOOM_IN_LIMIT, 10000.0);
  59         h.setHint(PanZoomRotateHandler.KEY_ZOOM_OUT_LIMIT, 0.01);
  60         h.setHint(DiagramModelHints.KEY_DIAGRAM_RESOURCE, diagramResource);
  61     }
  62
  63     @Override
  64     protected void addPainterParticipants(ICanvasContext ctx) {
  65         ctx.add(new RenderingQualityInteractor());
  66         ctx.add(new DelayedBatchElementPainter(PickFilter.FILTER_MONITORS, 500, TimeUnit.MILLISECONDS));
  67     }
  68
  69     @Override
  70     protected void addGridRulerBackgroundParticipants(CanvasContext ctx) {
  71         ctx.add(new GridPainter());
  72         ctx.add(new MapRulerPainter());
  73         ctx.add(new BackgroundPainter());
  74     }
  75
  76     protected void addViewManipulationParticipants(CanvasContext ctx) {
  77         ctx.add(new DistrictPanZoomRotateHandler());
  78         //ctx.add(new MousePanZoomInteractor());
  79         //ctx.add(new MultitouchPanZoomRotateInteractor());
  80         // ctx.add( new OrientationRestorer() );
  81         ctx.add(new ZoomToAreaHandler());
  82     }
  83
  84     @Override
  85     protected void loadPageSettings(ICanvasContext ctx) {
  86         super.loadPageSettings(ctx);
  87         // this might be the wrong place to start such listening but at least
  88         // super.loadPageSettings() does async-db-operations
  89         sessionContext.getSession().asyncRequest(new UniqueRead<Boolean>() {
  90
  91             @Override
  92             public Boolean perform(ReadGraph graph) throws DatabaseException {
  93                 return DistrictNetworkUtil.drawMapEnabled(graph, getInputResource());
  94             }
  95         }, new Listener<Boolean>() {
  96
  97             @Override
  98             public void execute(Boolean result) {
  99                 canvasContext.getEventQueue().queueEvent(new CommandEvent(canvasContext, System.currentTimeMillis(), result ? Commands.MAP_ENABLE : Commands.MAP_DISABLE));
 100             }
 101
 102             @Override
 103             public void exception(Throwable t) {
 104                 LOGGER.error("Could not listen draw map for {}", getInputResource(), t);
 105             }
 106
 107             @Override
 108             public boolean isDisposed() {
 109                 return DistrictDiagramViewer.this.isDisposed();
 110             }
 111         });
 112     }
 113 }