--- /dev/null
+package org.simantics.district.network;
+
+import java.awt.geom.Rectangle2D;
+import java.util.Collection;
+import java.util.List;
+import java.util.Optional;
+
+import org.simantics.databoard.Bindings;
+import org.simantics.db.Resource;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.common.request.ObjectsWithType;
+import org.simantics.db.exception.BindingException;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.exception.ManyObjectsForFunctionalRelationException;
+import org.simantics.db.exception.ServiceException;
+import org.simantics.db.layer0.util.Layer0Utils;
+import org.simantics.diagram.stubs.DiagramResource;
+import org.simantics.diagram.synchronization.IModifiableSynchronizationContext;
+import org.simantics.diagram.synchronization.SynchronizationHints;
+import org.simantics.diagram.synchronization.graph.GraphSynchronizationHints;
+import org.simantics.diagram.synchronization.graph.layer.GraphLayerManager;
+import org.simantics.district.network.DistrictNetworkUtil.ResourceVertex;
+import org.simantics.district.network.ontology.DistrictNetworkResource;
+import org.simantics.g2d.diagram.IDiagram;
+import org.simantics.layer0.Layer0;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.vividsolutions.jts.geom.Envelope;
+import com.vividsolutions.jts.index.quadtree.Quadtree;
+
+public class DNEdgeBuilder {
+
+ private static final Logger LOGGER = LoggerFactory.getLogger(DNEdgeBuilder.class);
+
+ private Resource diagramResource;
+ private IDiagram diagram;
+ private GraphLayerManager glm;
+
+ public DNEdgeBuilder(Resource diagramResource, IDiagram diagram) {
+ this.diagramResource = diagramResource;
+ this.diagram = diagram;
+
+ IModifiableSynchronizationContext context = diagram.getHint(SynchronizationHints.CONTEXT);
+ glm = context.get(GraphSynchronizationHints.GRAPH_LAYER_MANAGER);
+ }
+
+ public static Optional<Resource> create(WriteGraph graph, Resource diagramResource, double[] start, double startElevation, double[] end, double endElevation, double[] detailedGeometryCoords, double padding) throws DatabaseException {
+ Collection<Resource> vertices = graph.syncRequest(new ObjectsWithType(diagramResource, Layer0.getInstance(graph).ConsistsOf, DistrictNetworkResource.getInstance(graph).Vertex));
+ double halfPadding = padding / 2;
+
+ Quadtree vv = new Quadtree();
+ for (Resource vertex : vertices) {
+ double[] coords = graph.getRelatedValue2(vertex, DiagramResource.getInstance(graph).HasLocation, Bindings.DOUBLE_ARRAY);
+ double x1 = coords[0] - halfPadding;
+ double y1= coords[1] - halfPadding;
+ double x2 = coords[0] + halfPadding;
+ double y2= coords[1] + halfPadding;
+ Envelope e = new Envelope(x1, x2, y1, y2);
+ vv.insert(e, new ResourceVertex(vertex, coords, false));
+ }
+ return create(graph, vv, diagramResource, null, start, startElevation, end, endElevation, detailedGeometryCoords, padding, true);
+ }
+
+ public static Optional<Resource> create(WriteGraph graph, Quadtree vertices, Resource diagramResource, Resource mapping, double[] start, double startElevation, double[] end, double endElevation, double[] detailedGeometryCoords, double padding, boolean writeElevationToEdgeFromPoints) throws DatabaseException {
+ DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
+
+ // 2. Add vertices
+ Resource startVertex = getOrCreateVertex(graph, diagramResource, vertices, start, startElevation, padding, null);
+ Resource endVertex = getOrCreateVertex(graph, diagramResource, vertices, end, endElevation, padding, startVertex);
+ if (startVertex.equals(endVertex)) {
+ LOGGER.info("Circular edges are not supported, startVertex: {}, endVertex: {}", startVertex, endVertex);
+ return Optional.empty();
+ }
+
+ // 1. Get diagram edge to construct
+ Resource edge = getOrCreateEdge(graph, diagramResource, mapping, detailedGeometryCoords);
+
+ if (writeElevationToEdgeFromPoints) {
+ graph.claimLiteral(edge, DN.Edge_HasElevation, calculateElevationFromVertices(graph, startVertex, endVertex), Bindings.DOUBLE);
+ }
+
+ graph.claim(edge, DN.HasStartVertex, startVertex);
+ graph.claim(edge, DN.HasEndVertex, endVertex);
+
+ // We need to put GraphLayer to newLayers so...
+// for (Resource layer : graph.getObjects(diagramResource, DiagramResource.getInstance(graph).HasLayer)) {
+// IGraphLayerUtil layerUtil = graph.adapt(graph.getSingleObject(layer, Layer0.getInstance(graph).InstanceOf), IGraphLayerUtil.class);
+//
+// GraphLayer gl = layerUtil.loadLayer(graph, layer);
+// gl.forEachTag(tag -> {
+// DiagramGraphUtil.tag(graph, startVertex, tag, true);
+// DiagramGraphUtil.tag(graph, endVertex, tag, true);
+// });
+// }
+//
+ return Optional.of(edge);
+ }
+ private static double calculateElevationFromVertices(WriteGraph graph, Resource startVertex, Resource endVertex) throws ManyObjectsForFunctionalRelationException, BindingException, ServiceException {
+ DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
+ Double startElevation = graph.getPossibleRelatedValue(startVertex, DN.Vertex_HasElevation, Bindings.DOUBLE);
+ Double endElevation = graph.getPossibleRelatedValue(endVertex, DN.Vertex_HasElevation, Bindings.DOUBLE);
+ if (startElevation != null && endElevation != null) {
+ return (startElevation + endElevation) / 2;
+ }
+ return 0;
+ }
+
+ public void create(WriteGraph graph, double[] start, double startElevation, double[] end, double endElevation, double[] detailedGeometryCoords, double padding) throws DatabaseException {
+ Optional<Resource> edge = create(graph, diagramResource, start, startElevation, end, endElevation, detailedGeometryCoords, padding);
+ // 7. Put the element on all the currently active layers if possible.
+ if (glm != null) {
+ putOnActiveLayer(graph, edge.get());
+ }
+
+ Layer0Utils.addCommentMetadata(graph, "Added edge " + edge.get());
+ graph.markUndoPoint();
+ }
+
+ private void putOnActiveLayer(WriteGraph graph, Resource res) throws DatabaseException {
+ glm.removeFromAllLayers(graph, res);
+ glm.putElementOnVisibleLayers(diagram, graph, res);
+ }
+
+ private static Resource getOrCreateVertex(WriteGraph graph, Resource diagramResource, Quadtree qtree, double[] coords, double elevation, double padding, Resource startVertex) throws DatabaseException {
+ Resource vertex = null;
+ double halfPadding = padding / 2;
+ double maxDistance = Double.MAX_VALUE;
+ double x1 = coords[0] - halfPadding;
+ double y1= coords[1] - halfPadding;
+ double x2 = coords[0] + halfPadding;
+ double y2= coords[1] + halfPadding;
+ Envelope e = new Envelope(x1, x2, y1, y2);
+
+ List<?> result = qtree.query(e);
+ @SuppressWarnings("unchecked")
+ List<ResourceVertex> vertices = (List<ResourceVertex>) result;
+ for (ResourceVertex vertx : vertices) {
+ Rectangle2D existing = new Rectangle2D.Double(vertx.coords[0] - halfPadding, vertx.coords[1] - halfPadding, padding, padding);
+ Rectangle2D tobecreated = new Rectangle2D.Double(x1, y1, padding, padding);
+ if (existing.intersects(tobecreated)) {
+ double dist = Math.sqrt((Math.pow(coords[0] - vertx.coords[0], 2) + (Math.pow(coords[1] - vertx.coords[1], 2))));
+ if (dist <= maxDistance && vertx.vertex != startVertex) {
+ vertex = vertx.vertex;
+ maxDistance = dist;
+ }
+ }
+ }
+ if (vertex == null) {
+ vertex = DistrictNetworkUtil.createVertex(graph, diagramResource, coords, elevation);
+ qtree.insert(e, new ResourceVertex(vertex, coords, false));
+ }
+ return vertex;
+ }
+
+ private static Resource getOrCreateEdge(WriteGraph graph, Resource diagramResource, Resource mapping, double[] detailedGeometryCoords) throws DatabaseException {
+ return DistrictNetworkUtil.createEdge(graph, diagramResource, mapping, detailedGeometryCoords);
+ }
+
+}
Code Review / simantics / district.git / blobdiff