-\r
-package org.simantics.district.network.ui;\r
-\r
-import java.awt.Color;\r
-import java.awt.Graphics2D;\r
-import java.awt.Shape;\r
-import java.awt.geom.Path2D;\r
-import java.awt.geom.Point2D;\r
-import java.awt.geom.Rectangle2D;\r
-import java.util.ArrayList;\r
-import java.util.Collections;\r
-import java.util.HashSet;\r
-import java.util.Iterator;\r
-import java.util.List;\r
-import java.util.Set;\r
-\r
-import org.simantics.Simantics;\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.WriteGraph;\r
-import org.simantics.db.common.request.WriteRequest;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.diagram.ui.DiagramModelHints;\r
-import org.simantics.g2d.canvas.impl.DependencyReflection.Dependency;\r
-import org.simantics.g2d.canvas.impl.SGNodeReflection.SGInit;\r
-import org.simantics.g2d.diagram.IDiagram;\r
-import org.simantics.g2d.diagram.handler.PickContext;\r
-import org.simantics.g2d.diagram.handler.PickRequest;\r
-import org.simantics.g2d.diagram.handler.PickRequest.PickPolicy;\r
-import org.simantics.g2d.diagram.participant.AbstractDiagramParticipant;\r
-import org.simantics.g2d.diagram.participant.Selection;\r
-import org.simantics.g2d.element.IElement;\r
-import org.simantics.g2d.participant.TransformUtil;\r
-import org.simantics.g2d.utils.GeometryUtils;\r
-import org.simantics.scenegraph.g2d.G2DNode;\r
-import org.simantics.scenegraph.g2d.G2DParentNode;\r
-import org.simantics.scenegraph.g2d.events.EventTypes;\r
-import org.simantics.scenegraph.g2d.events.MouseEvent;\r
-import org.simantics.scenegraph.g2d.events.EventHandlerReflection.EventHandler;\r
-import org.simantics.scenegraph.g2d.events.MouseEvent.MouseClickEvent;\r
-import org.simantics.scenegraph.g2d.events.MouseEvent.MouseDoubleClickedEvent;\r
-import org.simantics.scenegraph.g2d.events.MouseEvent.MouseMovedEvent;\r
-import org.simantics.scenegraph.utils.NodeUtil;\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
- @Dependency Selection selection;\r
- @Dependency TransformUtil util;\r
- @Dependency PickContext pickContext;\r
- \r
- @SGInit\r
- public void initSG(G2DParentNode parent) {\r
- node = parent.addNode("networkDrawingNode", NetworkDrawingNode.class);\r
- }\r
- \r
- @Override\r
- protected void onDiagramSet(IDiagram newDiagram, IDiagram oldDiagram) {\r
- node.setDiagram(newDiagram);\r
- }\r
- \r
- @EventHandler(priority = 1 << 21)\r
- public boolean handleClick(MouseClickEvent me) {\r
- \r
- boolean isLeft = me.button == MouseEvent.LEFT_BUTTON;\r
- boolean isRight = me.button == MouseEvent.RIGHT_BUTTON;\r
- if (!isLeft && !isRight)\r
- return false;\r
- boolean isShiftPressed = me.hasAllModifiers(MouseEvent.SHIFT_MASK);\r
- \r
- int selectionId = me.mouseId;\r
- \r
- double pickDist = getPickDistance();\r
- Rectangle2D controlPickRect = new Rectangle2D.Double(me.controlPosition.getX()-pickDist, me.controlPosition.getY()-pickDist, pickDist*2+1, pickDist*2+1);\r
- Shape canvasPickRect = GeometryUtils.transformShape(controlPickRect, util.getInverseTransform());\r
- \r
- PickRequest req = new PickRequest(canvasPickRect);\r
- req.pickPolicy = PickPolicy.PICK_INTERSECTING_OBJECTS;\r
- //req.pickSorter = PickRequest.PickSorter.CONNECTIONS_LAST;\r
- List<IElement> pickables = new ArrayList<IElement>();\r
- pickContext.pick(diagram, req, pickables);\r
- \r
- Set<IElement> currentSelection = selection.getSelection(selectionId);\r
- \r
- if (!pickables.isEmpty()) {\r
- /*\r
- * Select the one object the mouse points to. If multiple object\r
- * are picked, select the one that is after the earliest by\r
- * index of the current selection when shift is pressed. Otherwise\r
- * always pick the topmost element.\r
- */\r
- IElement selectedPick = isShiftPressed\r
- ? rotatingPick(currentSelection, pickables)\r
- : pickables.get(pickables.size() - 1);\r
- \r
- // Only select when\r
- // 1. the selection would actually change\r
- // AND\r
- // 2.1. left button was pressed\r
- // OR\r
- // 2.2. right button was pressed and the element to-be-selected\r
- // is NOT a part of the current selection\r
- if (!Collections.singleton(selectedPick).equals(currentSelection)\r
- && (isLeft || (isRight && !currentSelection.contains(selectedPick)))) {\r
- selection.setSelection(selectionId, selectedPick);\r
- }\r
- }\r
- \r
- return false;\r
- }\r
- \r
- private double getPickDistance() {\r
- Double pickDistance = getHint(KEY_PICK_DISTANCE);\r
- return pickDistance == null ? PICK_DIST : Math.max(pickDistance, 0);\r
- }\r
- \r
- private IElement rotatingPick(int selectionId, List<IElement> pickables) {\r
- Set<IElement> sel = selection.getSelection(selectionId);\r
- return rotatingPick(sel, pickables);\r
- }\r
-\r
- private IElement rotatingPick(Set<IElement> sel, List<IElement> pickables) {\r
- int earliestIndex = pickables.size();\r
- for (int i = pickables.size() - 1; i >= 0; --i) {\r
- if (sel.contains(pickables.get(i))) {\r
- earliestIndex = i;\r
- break;\r
- }\r
- }\r
- if (earliestIndex == 0)\r
- earliestIndex = pickables.size();\r
- IElement selectedPick = pickables.get(earliestIndex - 1);\r
- return selectedPick;\r
- }\r
-\r
- public static class NetworkDrawingNode extends G2DNode {\r
-\r
- private static final long serialVersionUID = -3475301184009620573L;\r
- \r
- private List<Point2D> nodes = new ArrayList<>();\r
-\r
- private Rectangle2D rect = new Rectangle2D.Double(10, 10, 10, 10);\r
-\r
- private Set<Path2D> paths = new HashSet<>();\r
-\r
- private Resource diagramResource;\r
-\r
- private boolean committed;\r
- \r
- @Override\r
- public void init() {\r
- super.init();\r
- addEventHandler(this);\r
- }\r
- \r
- public void setDiagram(IDiagram diagram) {\r
- if (diagram != null)\r
- this.diagramResource = diagram.getHint(DiagramModelHints.KEY_DIAGRAM_RESOURCE);\r
- }\r
-\r
- @Override\r
- public void render(Graphics2D g2d) {\r
- Color old = g2d.getColor();\r
- g2d.setColor(Color.BLUE);\r
- \r
- paths.forEach(p -> {\r
- g2d.draw(p);\r
- });\r
- \r
- g2d.setColor(old);\r
- }\r
-\r
- @Override\r
- public Rectangle2D getBoundsInLocal() {\r
- return rect.getBounds2D();\r
- }\r
- \r
- @Override\r
- public int getEventMask() {\r
- return EventTypes.MouseMask;\r
- }\r
- \r
- @Override\r
- protected boolean mouseDoubleClicked(MouseDoubleClickedEvent e) {\r
- // nodes to path2d\r
- Point2D start = null;\r
- Point2D end = null;\r
- Iterator<Point2D> nodeIter = nodes.iterator();\r
- while (nodeIter.hasNext()) {\r
- if (end == null) {\r
- start = nodeIter.next();\r
- } else {\r
- start = end;\r
- }\r
- end = nodeIter.next();\r
- \r
- createEdge(start, end);\r
- }\r
- \r
- nodes.clear();\r
- committed = true;\r
- \r
- repaint();\r
- \r
- return true;\r
- }\r
- \r
- private void createEdge(Point2D start, Point2D end) {\r
- double[] startCoords = new double[] { start.getX(), start.getY() };\r
- double[] endCoords = new double[] { end.getX(), end.getY() };\r
- \r
- DNEdgeBuilder builder = new DNEdgeBuilder(diagramResource);\r
- Simantics.getSession().asyncRequest(new WriteRequest() {\r
- \r
- @Override\r
- public void perform(WriteGraph graph) throws DatabaseException {\r
- builder.create(graph, startCoords, endCoords);\r
- }\r
- });\r
- \r
- }\r
- \r
- @Override\r
- protected boolean mouseClicked(MouseClickEvent e) {\r
- if (committed) {\r
- committed = false;\r
- return false;\r
- }\r
- Point2D localPos = NodeUtil.worldToLocal(this, e.controlPosition, new Point2D.Double());\r
- nodes.add(new Point2D.Double(localPos.getX(), localPos.getY()));\r
- return super.mouseClicked(e);\r
- }\r
- \r
- @Override\r
- protected boolean mouseMoved(MouseMovedEvent e) {\r
- return super.mouseMoved(e);\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.scenegraph.Node;
+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()).context(getContext());
+ 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) {
+ Node node = sn.getHint(DistrictNetworkVertexElement.KEY_DN_VERTEX_NODE);
+ if (node instanceof DistrictNetworkVertexNode) {
+ if (((DistrictNetworkVertexNode) node).hover(false) && !changed) {
+ changed = true;
+ }
+ }
+ }
+
+ for (IElement elem : pickables) {
+ Node node = elem.getHint(DistrictNetworkVertexElement.KEY_DN_VERTEX_NODE);
+ if (node instanceof DistrictNetworkVertexNode) {
+ if (((DistrictNetworkVertexNode) node).hover(true) && !changed) {
+ changed = true;
+ }
+ }
+ }
+ return changed;
+ }
+
+ public AffineTransform getTransform() {
+ return transform;
+ }
+}
Code Review / simantics / district.git / blobdiff