org.simantics.district.network.ui/src/org/simantics/district/network/ui/adapters/DistrictDiagramClassAdapter.java

   1 package org.simantics.district.network.ui.adapters;
   2
   3 import org.simantics.Simantics;
   4 import org.simantics.db.AsyncReadGraph;
   5 import org.simantics.db.Resource;
   6 import org.simantics.db.WriteGraph;
   7 import org.simantics.db.common.request.WriteRequest;
   8 import org.simantics.db.exception.DatabaseException;
   9 import org.simantics.db.procedure.AsyncProcedure;
  10 import org.simantics.diagram.adapter.DiagramClassAdapter;
  11 import org.simantics.diagram.synchronization.IModifiableSynchronizationContext;
  12 import org.simantics.diagram.synchronization.SynchronizationHints;
  13 import org.simantics.diagram.synchronization.graph.DiagramGraphUtil;
  14 import org.simantics.diagram.synchronization.graph.GraphSynchronizationHints;
  15 import org.simantics.diagram.synchronization.graph.layer.GraphLayer;
  16 import org.simantics.diagram.synchronization.graph.layer.GraphLayerManager;
  17 import org.simantics.g2d.diagram.DiagramClass;
  18 import org.simantics.g2d.diagram.IDiagram;
  19 import org.simantics.g2d.diagram.handler.SubstituteElementClass;
  20 import org.simantics.g2d.element.ElementClass;
  21 import org.simantics.g2d.element.ElementHints;
  22 import org.simantics.g2d.element.IElement;
  23 import org.simantics.g2d.element.handler.ElementLayerListener;
  24 import org.simantics.g2d.layers.ILayer;
  25
  26 public class DistrictDiagramClassAdapter extends DiagramClassAdapter {
  27
  28     static final SubstituteElementClass DINSTANCE = new DistrictDiagramSubstituteElementClass();
  29
  30     @Override
  31     public void adapt(AsyncReadGraph g, Resource source, Resource r, AsyncProcedure<DiagramClass> procedure) {
  32         procedure.execute(g, INSTANCE.newClassWith(DINSTANCE));
  33     }
  34
  35     static class DistrictDiagramElementLayerListenerImpl implements ElementLayerListener {
  36
  37         private static final long serialVersionUID = 7723435000661141433L;
  38
  39         @Override
  40         public void visibilityChanged(IElement e, ILayer layer, boolean visible) {
  41             IModifiableSynchronizationContext context = e.getDiagram().getHint(SynchronizationHints.CONTEXT);
  42             GraphLayerManager layerManager = context.get(GraphSynchronizationHints.GRAPH_LAYER_MANAGER);
  43             GraphLayer gl = layerManager.getGraphLayer(layer.getName());
  44             if (gl != null) {
  45                 changeTag(e, gl.getVisible(), visible);
  46             }
  47         }
  48
  49         @Override
  50         public void focusabilityChanged(IElement e, ILayer layer, boolean focusable) {
  51             IModifiableSynchronizationContext context = e.getDiagram().getHint(SynchronizationHints.CONTEXT);
  52             GraphLayerManager layerManager = context.get(GraphSynchronizationHints.GRAPH_LAYER_MANAGER);
  53             GraphLayer gl = layerManager.getGraphLayer(layer.getName());
  54             if (gl != null) {
  55                 changeTag(e, gl.getFocusable(), focusable);
  56             }
  57         }
  58
  59         void changeTag(IElement e, Resource tag, boolean set) {
  60             Object object = e.getHint(ElementHints.KEY_OBJECT);
  61             Resource tagged;
  62             if (object instanceof Resource)
  63                 tagged = (Resource) object;
  64             else
  65                 tagged = null;
  66             if (tagged == null)
  67                 return;
  68
  69             Simantics.getSession().asyncRequest(new WriteRequest() {
  70
  71                 @Override
  72                 public void perform(WriteGraph graph) throws DatabaseException {
  73                     DiagramGraphUtil.tag(graph, tagged, tag, set);
  74                 }
  75             });
  76         }
  77     }
  78
  79     static class DistrictDiagramSubstituteElementClass implements SubstituteElementClass {
  80
  81         static final ElementLayerListener LAYER_LISTENER = new DistrictDiagramElementLayerListenerImpl();
  82
  83         @Override
  84         public ElementClass substitute(IDiagram d, ElementClass ec) {
  85             return ec.newClassWith(false, LAYER_LISTENER);
  86         }
  87
  88     }
  89 }