]> gerrit.simantics Code Review - simantics/district.git/blobdiff - org.simantics.district.network.ui/src/org/simantics/district/network/ui/adapters/DistrictNetworkEdgeElement.java
First draft of vertex size adjusting district network diagram profiles
[simantics/district.git] / org.simantics.district.network.ui / src / org / simantics / district / network / ui / adapters / DistrictNetworkEdgeElement.java
index db730b1e6fafcec231b54ecdde6afe73d36e0d57..cbc6a578638e9a1d679915613af759de27b751be 100644 (file)
@@ -1,23 +1,32 @@
 package org.simantics.district.network.ui.adapters;
 
 import java.awt.Color;
+import java.awt.Shape;
 import java.awt.geom.AffineTransform;
+import java.awt.geom.Line2D;
 import java.awt.geom.Rectangle2D;
 import java.util.Collection;
 import java.util.Collections;
 
+import org.simantics.district.network.ModelledCRS;
 import org.simantics.district.network.ui.DistrictNetworkEdge;
 import org.simantics.district.network.ui.nodes.DistrictNetworkEdgeNode;
 import org.simantics.g2d.connection.handler.ConnectionHandler;
+import org.simantics.g2d.diagram.handler.PickRequest.PickPolicy;
 import org.simantics.g2d.diagram.handler.Topology.Connection;
 import org.simantics.g2d.element.ElementClass;
 import org.simantics.g2d.element.ElementUtils;
 import org.simantics.g2d.element.IElement;
 import org.simantics.g2d.element.SceneGraphNodeKey;
 import org.simantics.g2d.element.handler.InternalSize;
+import org.simantics.g2d.element.handler.Outline;
+import org.simantics.g2d.element.handler.Pick;
 import org.simantics.g2d.element.handler.SceneGraph;
+import org.simantics.g2d.element.handler.SelectionOutline;
+import org.simantics.g2d.element.handler.impl.ConnectionSelectionOutline;
 import org.simantics.g2d.element.handler.impl.DefaultTransform;
 import org.simantics.g2d.element.handler.impl.SimpleElementLayers;
+import org.simantics.maps.MapScalingTransform;
 import org.simantics.scenegraph.g2d.G2DParentNode;
 import org.simantics.utils.datastructures.hints.IHintContext.Key;
 import org.simantics.utils.datastructures.hints.IHintContext.KeyOf;
@@ -28,7 +37,7 @@ public class DistrictNetworkEdgeElement {
 
     public static final Key KEY_DN_EDGE = new KeyOf(DistrictNetworkEdge.class, "DN_EDGE");
     public static final Key KEY_DN_EDGE_NODE = new SceneGraphNodeKey(DistrictNetworkEdgeNode.class, "DN_EDGE_NODE");
-    
+
     public static final ElementClass CLASS =
             ElementClass.compile(
                     DefaultTransform.INSTANCE,
@@ -36,14 +45,16 @@ public class DistrictNetworkEdgeElement {
                     DNEdgeSceneGraph.INSTANCE,
                     DNEdgeConnectionHandler.INSTANCE,
                     SimpleElementLayers.INSTANCE,
+                    // TODO: do we need this and does it work?
+                    ConnectionSelectionOutline.INSTANCE,
                     DistrictNetworkAdditionalColor.INSTANCE
             ).setId(DistrictNetworkEdgeElement.class.getSimpleName());
-    
+
     static final class DNEdgeSceneGraph implements SceneGraph {
-        
+
         public static final DNEdgeSceneGraph INSTANCE = new DNEdgeSceneGraph();
 
-        private static final long serialVersionUID = 8894367073815556871L;
+        private static final long serialVersionUID = 68135568495835923L;
 
         @Override
         public void init(IElement edgeElement, G2DParentNode parent) {
@@ -72,13 +83,13 @@ public class DistrictNetworkEdgeElement {
             edge.removeHint(KEY_DN_EDGE_NODE);
         }
     }
-    
-    static final class DNEdgeInternalSize implements InternalSize {
+
+    static final class DNEdgeInternalSize implements InternalSize, Outline, Pick {
 
         private static final Logger LOGGER = LoggerFactory.getLogger(DNEdgeInternalSize.class);
-        
-        private static final long serialVersionUID = -2725017034692179676L;
-        
+
+        private static final long serialVersionUID = -7346653820911240628L;
+
         public static final DNEdgeInternalSize INSTANCE = new DNEdgeInternalSize();
 
         @Override
@@ -87,18 +98,84 @@ public class DistrictNetworkEdgeElement {
             if (size == null)
                 size = new Rectangle2D.Double();
             if (edge != null)
-                size.setFrame(DistrictNetworkEdgeNode.calculatePath(edge).getBounds2D());
+                size.setFrame(DistrictNetworkEdgeNode.calculatePath(edge, null).getBounds2D());
             else
                 LOGGER.debug("Element {} does not have edge!", e);
 
             return size;
         }
+
+        @Override
+        public Shape getElementShape(IElement e) {
+            DistrictNetworkEdge edge = e.getHint(KEY_DN_EDGE);
+            if (edge != null) {
+                return DistrictNetworkEdgeNode.calculatePath(edge, null);
+            } else {
+                return getBounds(e, null);
+            }
+        }
+
+        private Shape getSelectionShape(IElement e) {
+            for (SelectionOutline so : e.getElementClass().getItemsByClass(SelectionOutline.class)) {
+                Shape shape = so.getSelectionShape(e);
+                if (shape != null)
+                    return shape;
+            }
+            // Using on-diagram coordinates because neither connections nor
+            // edges have a non-identity transform which means that
+            // coordinates are always absolute. Therefore branch point
+            // shape also needs to be calculated in absolute coordinates.
+            Shape shape = ElementUtils.getElementShapeOrBoundsOnDiagram(e);
+            return shape;
+        }
+
+        @Override
+        public boolean pickTest(IElement e, Shape s, PickPolicy policy) {
+            DistrictNetworkEdge edge = e.getHint(KEY_DN_EDGE);
+            if (edge != null) {
+                Rectangle2D bounds = getBounds(s);
+
+                switch (policy) {
+                case PICK_CONTAINED_OBJECTS:
+                    Shape selectionShape = getSelectionShape(e);
+                    return bounds.contains(selectionShape.getBounds2D());
+
+                case PICK_INTERSECTING_OBJECTS:
+                    double tolerance = (bounds.getHeight() + bounds.getHeight()) * 0.25 / MapScalingTransform.getScaleX();
+                    Line2D line = new Line2D.Double(edge.getStartPoint(), edge.getEndPoint());
+                    double sx = bounds.getCenterX() / MapScalingTransform.getScaleX();
+                    double sy = bounds.getCenterY() / MapScalingTransform.getScaleY();
+                    double ssx = ModelledCRS.xToLongitude(sx);
+                    double ssy = ModelledCRS.yToLatitude(-sy); // Invert for Simantics diagram coordinate system
+                    double distSq = line.ptSegDistSq(ssx, ssy);
+//                    System.out.println("s: " + sx + ", " + sy);
+//                    System.out.println("ss: " + ssx + ", " + ssy);
+//                    System.out.println("p1: " + edge.getStartPoint());
+//                    System.out.println("p2: " + edge.getEndPoint());
+//                    System.out.println("line: " + "(" + line.getX1() + ", " + line.getY1() + ", " + line.getX2() + ", " + line.getY2() + ")");
+//                    System.out.println("distance from line is " + Math.sqrt(distSq) + " with tolerance " + tolerance);
+                    if (distSq <= tolerance * tolerance) {
+                        return true;
+                    }
+                }
+                return false;
+            }
+
+            return false;
+        }
+
+        private Rectangle2D getBounds(Shape shape) {
+            if (shape instanceof Rectangle2D)
+                return (Rectangle2D) shape;
+            return shape.getBounds2D();
+        }
+
     }
-    
+
     static class DNEdgeConnectionHandler implements ConnectionHandler {
 
-        private static final long serialVersionUID = -410377314637446238L;
-        
+        private static final long serialVersionUID = -6882671891381761687L;
+
         public static final DNEdgeConnectionHandler INSTANCE = new DNEdgeConnectionHandler();
 
         @Override
@@ -121,4 +198,5 @@ public class DistrictNetworkEdgeElement {
             return Collections.emptyList();
         }
     }
+
 }