Add edge geometry for detailed rendering in closer zoom levels

[simantics/district.git] / org.simantics.district.network.ui / src / org / simantics / district / network / ui / adapters / DistrictNetworkEdgeElementFactory.java

diff --git a/org.simantics.district.network.ui/src/org/simantics/district/network/ui/adapters/DistrictNetworkEdgeElementFactory.java b/org.simantics.district.network.ui/src/org/simantics/district/network/ui/adapters/DistrictNetworkEdgeElementFactory.java
index 2899a0e7cf8db5911e54beb3ad1b9d39db55c2d3..3b18dc6f0f3481068853253ae5658ed076e59b78 100644 (file)
--- a/org.simantics.district.network.ui/src/org/simantics/district/network/ui/adapters/DistrictNetworkEdgeElementFactory.java
+++ b/org.simantics.district.network.ui/src/org/simantics/district/network/ui/adapters/DistrictNetworkEdgeElementFactory.java
@@ -1,7 +1,8 @@
 package org.simantics.district.network.ui.adapters;
 
-import java.awt.geom.Path2D;
+import java.awt.geom.Point2D;
 
+import org.simantics.databoard.Bindings;
 import org.simantics.db.AsyncReadGraph;
 import org.simantics.db.ReadGraph;
 import org.simantics.db.Resource;
@@ -13,21 +14,23 @@ 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.ModelledCRS;
 import org.simantics.district.network.ontology.DistrictNetworkResource;
 import org.simantics.district.network.ui.DistrictNetworkEdge;
 import org.simantics.g2d.canvas.ICanvasContext;
 import org.simantics.g2d.diagram.DiagramHints;
 import org.simantics.g2d.diagram.IDiagram;
 import org.simantics.g2d.element.ElementClass;
+import org.simantics.g2d.element.ElementUtils;
 import org.simantics.g2d.element.IElement;
 import org.simantics.g2d.element.handler.impl.StaticObjectAdapter;
 import org.simantics.g2d.layers.ILayersEditor;
+import org.simantics.maps.MapScalingTransform;
 
 public class DistrictNetworkEdgeElementFactory extends SyncElementFactory {
 
     public static final ElementClass CLASS = DistrictNetworkEdgeElement.CLASS;
-    
+    public static final double[] EMPTY = new double[0];
+
     private DistrictNetworkResource DN;
     private DiagramResource DIA;
     
@@ -45,37 +48,39 @@ public class DistrictNetworkEdgeElementFactory extends SyncElementFactory {
     protected Resource getElementClassBaseType(AsyncReadGraph graph) {
         return DN.Edge;
     }
-    
+
     @Override
     public void load(ReadGraph graph, ICanvasContext canvas, IDiagram diagram, Resource edgeResource, IElement element) throws DatabaseException {
-        
+        if (!graph.hasStatement(edgeResource))
+            return; // already deleted
+
+        if (!graph.hasStatement(edgeResource, DN.HasStartVertex))
+            return; // already deleted
         Resource startVertex = graph.getSingleObject(edgeResource, DN.HasStartVertex);
-        Resource endVertex = graph.getSingleObject(edgeResource, DN.HasEndVertex);
-        
-        // TODO: fix scale..
-        double scale = 100000;
         
-        double[] startCoords = graph.getRelatedValue2(startVertex, DIA.HasLocation);
-        
-        double startLon = ModelledCRS.longitudeToX(startCoords[0]) * scale;
-        double startLat = ModelledCRS.latitudeToY(startCoords[1]) * scale;
-        
-        double[] endCoords = graph.getRelatedValue2(endVertex, DIA.HasLocation);
-        
-        double endLon = ModelledCRS.longitudeToX(endCoords[0]) * scale;
-        double endLat = ModelledCRS.latitudeToY(endCoords[1]) * scale;
-        
-        Path2D path = new Path2D.Double();
-        path.moveTo(startLon, startLat);
-        path.lineTo(endLon, endLat);
+        if (!graph.hasStatement(edgeResource, DN.HasEndVertex))
+            return; // already deleted
+        Resource endVertex = graph.getSingleObject(edgeResource, DN.HasEndVertex);
+
+        double[] startCoords = graph.getRelatedValue2(startVertex, DIA.HasLocation, Bindings.DOUBLE_ARRAY);
+        double[] endCoords = graph.getRelatedValue2(endVertex, DIA.HasLocation, Bindings.DOUBLE_ARRAY);
         
-        DistrictNetworkEdge edge = new DistrictNetworkEdge(path);
+        double[] geometry = EMPTY;
+        try {
+            geometry = graph.getPossibleRelatedValue2(edgeResource, DN.Edge_HasGeometry, Bindings.DOUBLE_ARRAY);
+        } catch (Exception e) {
+            // most likely no geometry available
+        }
+        DistrictNetworkEdge edge = new DistrictNetworkEdge(new Point2D.Double(startCoords[0], startCoords[1]), new Point2D.Double(endCoords[0], endCoords[1]), geometry);
 
         Resource mapping = graph.getSingleObject(edgeResource, DistrictNetworkResource.getInstance(graph).HasMapping);
         element.setHint(DistrictNetworkAdditionalColor.KEY_DN_MAPPING_RESOURCE, mapping);
         
         element.setHint(DistrictNetworkEdgeElement.KEY_DN_EDGE, edge);
         
+        // set scaling transform
+        ElementUtils.setTransform(element, MapScalingTransform.INSTANCE);
+        
         IModifiableSynchronizationContext context = diagram.getHint(SynchronizationHints.CONTEXT);
         GraphLayerManager layerManager = context.get(GraphSynchronizationHints.GRAPH_LAYER_MANAGER);