gerrit.simantics Code Review - simantics/district.git/blob

   1 package org.simantics.district.network.ui.styles;
   2
   3 import java.awt.geom.Point2D;
   4 import java.util.Objects;
   5 import java.util.Set;
   6
   7 import org.simantics.Simantics;
   8 import org.simantics.db.ReadGraph;
   9 import org.simantics.db.Resource;
  10 import org.simantics.db.common.procedure.adapter.TransientCacheListener;
  11 import org.simantics.db.common.request.ResourceRead;
  12 import org.simantics.db.exception.DatabaseException;
  13 import org.simantics.db.layer0.exception.MissingVariableException;
  14 import org.simantics.db.layer0.exception.MissingVariableValueException;
  15 import org.simantics.db.layer0.exception.PendingVariableException;
  16 import org.simantics.db.layer0.util.Layer0Utils;
  17 import org.simantics.db.layer0.variable.Variable;
  18 import org.simantics.db.layer0.variable.Variables;
  19 import org.simantics.diagram.profile.StyleBase;
  20 import org.simantics.diagram.stubs.DiagramResource;
  21 import org.simantics.district.network.DistrictNetworkUtil;
  22 import org.simantics.district.network.ontology.DistrictNetworkResource;
  23 import org.simantics.district.network.profile.MidBranchEdgeSetRequest;
  24 import org.simantics.district.network.ui.nodes.DeferredRenderingNode;
  25 import org.simantics.district.network.ui.nodes.DistrictNetworkEdgeNode;
  26 import org.simantics.district.network.ui.nodes.DistrictNetworkNodeUtils;
  27 import org.simantics.district.network.ui.nodes.DistrictNetworkStaticInfoNode;
  28 import org.simantics.layer0.Layer0;
  29 import org.simantics.scenegraph.INode;
  30 import org.simantics.scenegraph.ParentNode;
  31 import org.simantics.scenegraph.g2d.IG2DNode;
  32 import org.simantics.scenegraph.g2d.nodes.ConnectionNode;
  33 import org.simantics.scenegraph.g2d.nodes.spatial.RTreeNode;
  34 import org.simantics.scenegraph.profile.EvaluationContext;
  35 import org.simantics.scenegraph.profile.common.ProfileVariables;
  36 import org.simantics.scenegraph.utils.NodeUtil;
  37 import org.simantics.scl.compiler.top.ValueNotFound;
  38 import org.simantics.scl.osgi.SCLOsgi;
  39 import org.simantics.scl.runtime.SCLContext;
  40 import org.simantics.scl.runtime.function.Function1;
  41 import org.simantics.structural.stubs.StructuralResource2;
  42 import org.slf4j.Logger;
  43 import org.slf4j.LoggerFactory;
  44
  45 @Deprecated
  46 public class DistrictNetworkStaticInfoStyle extends StyleBase<DistrictNetworkStaticInfoStyle.StyleResult> {
  47
  48     private static final Logger LOGGER = LoggerFactory.getLogger(DistrictNetworkStaticInfoStyle.class);
  49
  50         private static final String ACTIONS_MODULE = "Actions";
  51         private static final String PIPELINE_INFO = "pipelineInfo";
  52
  53         public static final String STATIC_INFO_DEFERRED = "staticInfo";
  54
  55         public static class StyleResult {
  56                 public StyleResult(Resource r, Point2D p1, String info) {
  57                         this.r = r;
  58                         this.p1 = p1;
  59                         this.info = info;
  60                 }
  61
  62                 public final Resource r;
  63                 public final Point2D p1;
  64                 public final String info;
  65
  66                 @Override
  67                 public int hashCode() {
  68                         final int prime = 31;
  69                         int result = 1;
  70                         result = prime * result + r.hashCode();
  71                         result = prime * result + ((info == null) ? 0 : info.hashCode());
  72                         result = prime * result + ((p1 == null) ? 0 : p1.hashCode());
  73                         return result;
  74                 }
  75                 @Override
  76                 public boolean equals(Object obj) {
  77                         if (this == obj)
  78                                 return true;
  79                         if (obj == null)
  80                                 return false;
  81                         if (getClass() != obj.getClass())
  82                                 return false;
  83                         StyleResult other = (StyleResult) obj;
  84                         return r.equals(other.r) && Objects.equals(info, other.info) && Objects.equals(p1, other.p1);
  85                 }
  86         }
  87
  88         public DistrictNetworkStaticInfoStyle(Resource style) {
  89                 super(style);
  90         }
  91
  92         private static final Point2D EDGE = new Point2D.Double();
  93
  94         @Override
  95         public StyleResult calculateStyle(ReadGraph graph, Resource runtimeDiagram, Resource entry, Resource mapElement)
  96                         throws DatabaseException {
  97             return calculateStyle(graph, entry, mapElement);
  98         }
  99
 100         public static StyleResult calculateStyle(ReadGraph graph, Resource entry, Resource mapElement) throws DatabaseException {
 101         DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
 102         Set<Resource> types = graph.getTypes(mapElement);
 103         boolean isEdge = types.contains(DN.Edge);
 104         boolean isVertex = types.contains(DN.Vertex);
 105         if (!isEdge && !isVertex)
 106             return null;
 107
 108         if (isEdge) {
 109             Resource diagram = graph.getSingleObject(mapElement, Layer0.getInstance(graph).PartOf);
 110             Set<Resource> edgesToUse = graph.syncRequest(new MidBranchEdgeSetRequest(diagram), TransientCacheListener.instance());
 111             if (!edgesToUse.contains(mapElement))
 112                 return null;
 113         }
 114
 115         Resource module = DistrictNetworkUtil.getMappedComponentCached(graph, mapElement);
 116         if (module == null)
 117             return null;
 118
 119         StructuralResource2 STR = StructuralResource2.getInstance(graph);
 120         Resource moduleType = graph.getPossibleType(module, STR.Component);
 121         if (moduleType == null)
 122             return null;
 123
 124         Function1<Variable, String> function = getUCPipelineInfoFunctionCached(graph, moduleType);
 125         if (function == null)
 126             return null;
 127
 128         String result;
 129         try {
 130             Variable variable = Variables.getVariable(graph, module);
 131             Variable moduleVariable = Variables.possibleActiveVariable(graph, variable);
 132             if (moduleVariable == null)
 133                 moduleVariable = variable;
 134
 135             result = Simantics.applySCLRead(graph, function, moduleVariable);
 136         } catch (PendingVariableException | MissingVariableValueException e) {
 137             result = null;
 138         } catch (MissingVariableException e) {
 139             // the requested variable is missing from the UC
 140             String message = e.getMessage();
 141             LOGGER.warn("Missing variable for calculating style with function {} {}", function, message);
 142             result = "<" + message + ">";
 143         }
 144
 145         if (isVertex) {
 146             DiagramResource DIA = DiagramResource.getInstance(graph);
 147             double[] coords = graph.getRelatedValue(mapElement, DIA.HasLocation);
 148             Point2D p = DistrictNetworkNodeUtils.calculatePoint2D(new Point2D.Double(coords[0], coords[1]), null);
 149             return new StyleResult(mapElement, p, result);
 150         } else if (isEdge) {
 151             return new StyleResult(mapElement, EDGE, result);
 152         }
 153         return null;
 154         }
 155
 156         @Override
 157         public void applyStyleForNode(EvaluationContext evaluationContext, INode parent, StyleResult result) {
 158                 if (result == null) {
 159                         cleanupStyleForNode(evaluationContext, parent);
 160                         return;
 161                 }
 162
 163                 ParentNode<?> root = (ParentNode<?>) NodeUtil.getNearestParentOfType(parent, RTreeNode.class);
 164                 if (root != null) {
 165                         DeferredRenderingNode deferred = ProfileVariables.claimChild(root, "", STATIC_INFO_DEFERRED, DeferredRenderingNode.class, evaluationContext);
 166                         deferred.setZIndex(Integer.MAX_VALUE-1);
 167                 }
 168
 169                 DistrictNetworkStaticInfoNode node = ProfileVariables.claimChild(parent, "*", DistrictNetworkStaticInfoNode.NODE_KEY, DistrictNetworkStaticInfoNode.class, evaluationContext);
 170                 if (node == null)
 171                         return;
 172
 173                 Point2D p1 = result.p1;
 174                 if (p1 != EDGE) {
 175                         node.setLocation(p1, new Point2D.Double(1.0, 0.0));
 176                 } else {
 177                         // StaticInfoNode takes care of positioning the text during render
 178                         // based on the found DistrictNetworkEdgeNode's information.
 179                         for (IG2DNode n : ((ConnectionNode)parent).getNodes()) {
 180                                 if (n instanceof DistrictNetworkEdgeNode) {
 181                                         node.setEdgeNode((DistrictNetworkEdgeNode) n);
 182                                 }
 183                         }
 184                 }
 185
 186                 node.setInfo(result.info);
 187         }
 188
 189         private static Function1<Variable, String> getUCPipelineInfoFunctionCached(ReadGraph graph, Resource componentType)
 190                         throws DatabaseException {
 191                 return graph.syncRequest(new UCPipelineInfoRequest(componentType), TransientCacheListener.instance());
 192         }
 193
 194         private static final class UCPipelineInfoRequest extends ResourceRead<Function1<Variable, String>> {
 195                 public UCPipelineInfoRequest(Resource resource) {
 196                         super(resource);
 197                 }
 198
 199                 @SuppressWarnings("unchecked")
 200                 @Override
 201                 public Function1<Variable, String> perform(ReadGraph graph) throws DatabaseException {
 202                         Resource actionsModule = Layer0Utils.getPossibleChild(graph, resource, ACTIONS_MODULE);
 203                         if (actionsModule == null || !graph.isInstanceOf(actionsModule, Layer0.getInstance(graph).SCLModule))
 204                                 return null;
 205
 206                         String uri = graph.getURI(actionsModule);
 207                         SCLContext sclContext = SCLContext.getCurrent();
 208                         Object oldGraph = sclContext.get("graph");
 209                         try {
 210                                 sclContext.put("graph", graph);
 211                                 return (Function1<Variable, String>) SCLOsgi.MODULE_REPOSITORY.getValue(uri, PIPELINE_INFO);
 212                         } catch (ValueNotFound e1) {
 213                                 return null;
 214                         } finally {
 215                                 sclContext.put("graph", oldGraph);
 216                         }
 217                 }
 218         }
 219
 220         @Override
 221         protected void cleanupStyleForNode(EvaluationContext evaluationContext, INode node) {
 222                 ProfileVariables.denyChild(node, "*", DistrictNetworkStaticInfoNode.NODE_KEY);
 223         }
 224
 225 }