-\r
-package org.simantics.district.network.ui;\r
-\r
-import org.simantics.district.network.ui.nodes.NetworkDrawingNode;\r
-import org.simantics.g2d.canvas.impl.SGNodeReflection.SGInit;\r
-import org.simantics.g2d.diagram.IDiagram;\r
-import org.simantics.g2d.diagram.participant.AbstractDiagramParticipant;\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 NetworkDrawingParticipant extends AbstractDiagramParticipant {\r
-\r
- /**\r
- * A hint key for terminal pick distance in control pixels.\r
- * @see #PICK_DIST\r
- */\r
- public static final Key KEY_PICK_DISTANCE = new KeyOf(Double.class, "PICK_DISTANCE");\r
-\r
- /**\r
- * Default terminal pick distance in control pixels.\r
- * @see #DEFAULT_PICK_DISTANCE\r
- */\r
- public static final double PICK_DIST = 10;\r
- \r
- private NetworkDrawingNode node;\r
- \r
- @SGInit\r
- public void initSG(G2DParentNode parent) {\r
- node = parent.addNode("networkDrawingNode", NetworkDrawingNode.class);\r
- node.setNetworkDrawingParticipant(this);\r
- }\r
- \r
- @Override\r
- protected void onDiagramSet(IDiagram newDiagram, IDiagram oldDiagram) {\r
- node.setDiagram(newDiagram);\r
- }\r
-\r
-}\r
+
+package org.simantics.district.network.ui;
+
+import java.awt.geom.AffineTransform;
+import java.awt.geom.Point2D;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.simantics.district.network.ui.adapters.DistrictNetworkVertexElement;
+import org.simantics.district.network.ui.nodes.DistrictNetworkVertexNode;
+import org.simantics.district.network.ui.nodes.NetworkDrawingNode;
+import org.simantics.g2d.canvas.impl.DependencyReflection.Dependency;
+import org.simantics.g2d.canvas.impl.SGNodeReflection.SGInit;
+import org.simantics.g2d.diagram.IDiagram;
+import org.simantics.g2d.diagram.handler.PickContext;
+import org.simantics.g2d.diagram.handler.PickRequest;
+import org.simantics.g2d.diagram.participant.AbstractDiagramParticipant;
+import org.simantics.g2d.element.IElement;
+import org.simantics.maps.MapScalingTransform;
+import org.simantics.scenegraph.g2d.G2DNode;
+import org.simantics.scenegraph.g2d.G2DParentNode;
+import org.simantics.utils.datastructures.hints.IHintContext.Key;
+import org.simantics.utils.datastructures.hints.IHintContext.KeyOf;
+
+public class NetworkDrawingParticipant extends AbstractDiagramParticipant {
+
+ @Dependency
+ PickContext pick;
+
+ /**
+ * A hint key for terminal pick distance in control pixels.
+ * @see #PICK_DIST
+ */
+ public static final Key KEY_PICK_DISTANCE = new KeyOf(Double.class, "PICK_DISTANCE");
+
+ /**
+ * Default terminal pick distance in control pixels.
+ * @see #DEFAULT_PICK_DISTANCE
+ */
+ public static final double PICK_DIST = 10;
+
+ private NetworkDrawingNode node;
+
+ private AffineTransform transform;
+
+ public NetworkDrawingParticipant(AffineTransform transform) {
+ this.transform = transform;
+ }
+
+ @SGInit
+ public void initSG(G2DParentNode parent) {
+ node = parent.addNode("networkDrawingNode", NetworkDrawingNode.class);
+ node.setTransform(transform);
+ node.setNetworkDrawingParticipant(this);
+ }
+
+ @Override
+ protected void onDiagramSet(IDiagram newDiagram, IDiagram oldDiagram) {
+ node.setDiagram(newDiagram);
+ }
+
+ public boolean pickHoveredElement(Point2D currentMousePos) {
+ PickRequest req = new PickRequest(currentMousePos.getX(), currentMousePos.getY());
+ List<IElement> pickables = new ArrayList<IElement>();
+ pick.pick(diagram, req, pickables);
+
+ List<IElement> snap = new ArrayList<>(diagram.getSnapshot());
+
+ snap.removeAll(pickables);
+
+ boolean changed = false;
+ for (IElement sn : snap) {
+ G2DNode node = sn.getHint(DistrictNetworkVertexElement.KEY_DN_VERTEX_NODE);
+ if (node instanceof DistrictNetworkVertexNode) {
+ if (((DistrictNetworkVertexNode) node).hover(false) && !changed) {
+ changed = true;
+ }
+ }
+ }
+
+ for (IElement elem : pickables) {
+ G2DNode node = elem.getHint(DistrictNetworkVertexElement.KEY_DN_VERTEX_NODE);
+ if (node instanceof DistrictNetworkVertexNode) {
+ if (((DistrictNetworkVertexNode) node).hover(true) && !changed) {
+ changed = true;
+ }
+ }
+ }
+ return changed;
+ }
+
+}