]> gerrit.simantics Code Review - simantics/district.git/blobdiff - org.simantics.district.network.ui/src/org/simantics/district/network/ui/adapters/DistrictNetworkEdgeElement.java
Refactoring MapNode rendering & zooming to even zoom levels (0-20)
[simantics/district.git] / org.simantics.district.network.ui / src / org / simantics / district / network / ui / adapters / DistrictNetworkEdgeElement.java
index a53c02d2e0ba98708b8661cf64379f4f6a232545..ce57e0a21fd7f12b0f8968b74af4899a1092cbaf 100644 (file)
-package org.simantics.district.network.ui.adapters;\r
-\r
-import java.awt.geom.Rectangle2D;\r
-\r
-import org.simantics.district.network.ui.DistrictNetworkEdge;\r
-import org.simantics.district.network.ui.nodes.DistrictNetworkEdgeNode;\r
-import org.simantics.g2d.element.ElementClass;\r
-import org.simantics.g2d.element.ElementUtils;\r
-import org.simantics.g2d.element.IElement;\r
-import org.simantics.g2d.element.SceneGraphNodeKey;\r
-import org.simantics.g2d.element.handler.InternalSize;\r
-import org.simantics.g2d.element.handler.SceneGraph;\r
-import org.simantics.g2d.element.handler.impl.DefaultTransform;\r
-import org.simantics.scenegraph.g2d.G2DParentNode;\r
-import org.simantics.utils.datastructures.hints.IHintContext.Key;\r
-import org.simantics.utils.datastructures.hints.IHintContext.KeyOf;\r
-\r
-public class DistrictNetworkEdgeElement {\r
-\r
-    public static final Key KEY_DN_EDGE = new KeyOf(DistrictNetworkEdge.class, "DN_EDGE");\r
-    public static final Key KEY_DN_EDGE_NODE = new SceneGraphNodeKey(DistrictNetworkEdgeNode.class, "DN_EDGE_NODE");\r
-    \r
-    public static final ElementClass CLASS =\r
-            ElementClass.compile(\r
-                    DefaultTransform.INSTANCE,\r
-                    DNEdgeInternalSize.INSTANCE,\r
-                    DNEdgeSceneGraph.INSTANCE\r
-            ).setId(DistrictNetworkEdgeElement.class.getSimpleName());\r
-    \r
-    static final class DNEdgeSceneGraph implements SceneGraph {\r
-        \r
-        public static final DNEdgeSceneGraph INSTANCE = new DNEdgeSceneGraph();\r
-\r
-        private static final long serialVersionUID = 8894367073815556871L;\r
-\r
-        @Override\r
-        public void init(IElement edgeElement, G2DParentNode parent) {\r
-            DistrictNetworkEdge edge = edgeElement.getHint(KEY_DN_EDGE);\r
-            if (edge == null) {\r
-                cleanup(edgeElement);\r
-            } else {\r
-                DistrictNetworkEdgeNode node = edgeElement.getHint(KEY_DN_EDGE_NODE);\r
-                if (node == null) {\r
-                    node = parent.addNode(ElementUtils.generateNodeId(edgeElement), DistrictNetworkEdgeNode.class);\r
-                    edgeElement.setHint(KEY_DN_EDGE_NODE, node);\r
-                }\r
-                node.setDNEdge(edge);\r
-            }\r
-        }\r
-\r
-        @Override\r
-        public void cleanup(IElement edge) {\r
-            ElementUtils.removePossibleNode(edge, KEY_DN_EDGE_NODE);\r
-            edge.removeHint(KEY_DN_EDGE_NODE);\r
-        }\r
-    }\r
-    \r
-    static final class DNEdgeInternalSize implements InternalSize {\r
-\r
-        private static final long serialVersionUID = -2725017034692179676L;\r
-        \r
-        public static final DNEdgeInternalSize INSTANCE = new DNEdgeInternalSize();\r
-\r
-        @Override\r
-        public Rectangle2D getBounds(IElement e, Rectangle2D size) {\r
-            DistrictNetworkEdge edge = e.getHint(KEY_DN_EDGE);\r
-            if (size == null)\r
-                size = new Rectangle2D.Double();\r
-            edge.getBounds(size);\r
-\r
-            return size;\r
-        }\r
-        \r
-    }\r
-}\r
+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.Point2D;
+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.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.scenegraph.g2d.nodes.SVGNode;
+import org.simantics.utils.datastructures.hints.IHintContext.Key;
+import org.simantics.utils.datastructures.hints.IHintContext.KeyOf;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+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 Key KEY_DN_EDGE_SYMBOL_NODE = new SceneGraphNodeKey(DistrictNetworkEdgeNode.class, "DN_EDGE_SYMBOL_NODE");
+
+    public static final ElementClass CLASS =
+            ElementClass.compile(
+                    DefaultTransform.INSTANCE,
+                    DNEdgeInternalSize.INSTANCE,
+                    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 = 68135568495835923L;
+
+        @Override
+        public void init(IElement edgeElement, G2DParentNode parent) {
+            DistrictNetworkEdge edge = edgeElement.getHint(KEY_DN_EDGE);
+            if (edge == null) {
+                cleanup(edgeElement);
+            } else {
+                DistrictNetworkEdgeNode node = edgeElement.getHint(KEY_DN_EDGE_NODE);
+                if (node == null) {
+                    node = parent.addNode(ElementUtils.generateNodeId(edgeElement), DistrictNetworkEdgeNode.class);
+                    edgeElement.setHint(KEY_DN_EDGE_NODE, node);
+                    
+                    SVGNode symbol = node.addNode(ElementUtils.generateNodeId(edgeElement), SVGNode.class);
+                    edgeElement.setHint(KEY_DN_EDGE_SYMBOL_NODE, symbol);
+                }
+                
+                node.setColor(ElementUtils.getAdditionalColor(edgeElement, Color.BLUE));
+                
+                node.setDNEdge(edge);
+                AffineTransform at = ElementUtils.getTransform(edgeElement);
+                if (at != null)
+                    node.setTransform(at);
+            }
+        }
+
+        @Override
+        public void cleanup(IElement edge) {
+            ElementUtils.removePossibleNode(edge, KEY_DN_EDGE_SYMBOL_NODE);
+            ElementUtils.removePossibleNode(edge, KEY_DN_EDGE_NODE);
+            edge.removeHint(KEY_DN_EDGE_NODE);
+            edge.removeHint(KEY_DN_EDGE_SYMBOL_NODE);
+        }
+    }
+
+    static final class DNEdgeInternalSize implements InternalSize, Outline, Pick {
+
+        private static final Logger LOGGER = LoggerFactory.getLogger(DNEdgeInternalSize.class);
+
+        private static final long serialVersionUID = -7346653820911240628L;
+
+        public static final DNEdgeInternalSize INSTANCE = new DNEdgeInternalSize();
+
+        @Override
+        public Rectangle2D getBounds(IElement e, Rectangle2D size) {
+            DistrictNetworkEdge edge = e.getHint(KEY_DN_EDGE);
+            if (size == null)
+                size = new Rectangle2D.Double();
+            if (edge != null)
+                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);
+            }
+        }
+
+        @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:    return pickContainedObjects(edge, bounds);
+                case PICK_INTERSECTING_OBJECTS: return pickIntersectingObjects(edge, bounds);
+                }
+                return false;
+            }
+
+            return false;
+        }
+
+        private boolean pickContainedObjects(DistrictNetworkEdge edge, Rectangle2D bounds) {
+            double bminx = bounds.getMinX() / MapScalingTransform.getScaleX();
+            double bminy = bounds.getMinY() / MapScalingTransform.getScaleY();
+            double bmaxx = bounds.getMaxX() / MapScalingTransform.getScaleX();
+            double bmaxy = bounds.getMaxY() / MapScalingTransform.getScaleY();
+
+            double bsminx = ModelledCRS.xToLongitude(bminx);
+            double bsminy = ModelledCRS.yToLatitude(-bminy); // Invert for Simantics diagram coordinate system
+            double bsmaxx = ModelledCRS.xToLongitude(bmaxx);
+            double bsmaxy = ModelledCRS.yToLatitude(-bmaxy); // Invert for Simantics diagram coordinate system
+
+            double boundsMinY = Math.min(bsminy, bsmaxy);
+            double boundsMaxY = Math.max(bsminy, bsmaxy);
+
+            Point2D start = edge.getStartPoint();
+            Point2D end = edge.getEndPoint();
+
+            double eminx = Math.min(start.getX(), end.getX());
+            double eminy = Math.min(start.getY(), end.getY());
+            double emaxx = Math.max(start.getX(), end.getX());
+            double emaxy = Math.max(start.getY(), end.getY());
+
+            return eminx >= bsminx && eminy >= boundsMinY && emaxx <= bsmaxx && emaxy <= boundsMaxY;
+        }
+
+        private boolean pickIntersectingObjects(DistrictNetworkEdge edge, Rectangle2D bounds) {
+            double tolerance = (bounds.getHeight() + bounds.getHeight()) * 1 / 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);
+            return distSq <= tolerance * tolerance;
+        }
+
+        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 = -6882671891381761687L;
+
+        public static final DNEdgeConnectionHandler INSTANCE = new DNEdgeConnectionHandler();
+
+        @Override
+        public Collection<IElement> getChildren(IElement connection, Collection<IElement> result) {
+            return Collections.emptyList();
+        }
+
+        @Override
+        public Collection<IElement> getBranchPoints(IElement connection, Collection<IElement> result) {
+            return Collections.emptyList();
+        }
+
+        @Override
+        public Collection<IElement> getSegments(IElement connection, Collection<IElement> result) {
+            return Collections.emptyList();
+        }
+
+        @Override
+        public Collection<Connection> getTerminalConnections(IElement connection, Collection<Connection> result) {
+            return Collections.emptyList();
+        }
+    }
+
+}