1 package org.simantics.district.network.ui.nodes;
3 import java.awt.BasicStroke;
5 import java.awt.Graphics2D;
6 import java.awt.Stroke;
7 import java.awt.geom.AffineTransform;
8 import java.awt.geom.Path2D;
9 import java.awt.geom.Point2D;
10 import java.awt.geom.Rectangle2D;
11 import java.util.ArrayList;
12 import java.util.Iterator;
13 import java.util.List;
14 import java.util.concurrent.TimeUnit;
16 import org.simantics.Simantics;
17 import org.simantics.db.Resource;
18 import org.simantics.db.WriteGraph;
19 import org.simantics.db.common.request.WriteRequest;
20 import org.simantics.db.exception.DatabaseException;
21 import org.simantics.db.request.Write;
22 import org.simantics.diagram.elements.DiagramNodeUtil;
23 import org.simantics.diagram.ui.DiagramModelHints;
24 import org.simantics.district.network.DNEdgeBuilder;
25 import org.simantics.district.network.DistrictNetworkUtil;
26 import org.simantics.district.network.ModelledCRS;
27 import org.simantics.district.network.ontology.DistrictNetworkResource;
28 import org.simantics.district.network.ui.NetworkDrawingParticipant;
29 import org.simantics.g2d.canvas.Hints;
30 import org.simantics.g2d.canvas.ICanvasContext;
31 import org.simantics.g2d.canvas.IToolMode;
32 import org.simantics.g2d.diagram.IDiagram;
33 import org.simantics.scenegraph.g2d.G2DNode;
34 import org.simantics.scenegraph.g2d.events.EventTypes;
35 import org.simantics.scenegraph.g2d.events.KeyEvent.KeyPressedEvent;
36 import org.simantics.scenegraph.g2d.events.MouseEvent;
37 import org.simantics.scenegraph.g2d.events.MouseEvent.MouseClickEvent;
38 import org.simantics.scenegraph.g2d.events.MouseEvent.MouseDoubleClickedEvent;
39 import org.simantics.scenegraph.g2d.events.MouseEvent.MouseMovedEvent;
40 import org.simantics.scenegraph.utils.GeometryUtils;
41 import org.simantics.scenegraph.utils.NodeUtil;
42 import org.simantics.utils.threads.ThreadUtils;
43 import org.slf4j.Logger;
44 import org.slf4j.LoggerFactory;
46 public class NetworkDrawingNode extends G2DNode {
48 private static final Logger LOGGER = LoggerFactory.getLogger(NetworkDrawingNode.class);
50 static class DrawingNode {
52 private List<Point2D> routeNodes = new ArrayList<>();
55 private static final long serialVersionUID = -3475301184009620573L;
57 private Point2D currentMousePos = null;
59 private List<DrawingNode> nodes = new ArrayList<>();
60 private DrawingNode currentRouteNode = null;
62 private Resource diagramResource;
64 private NetworkDrawingParticipant participant;
66 private IDiagram diagram;
68 private static final Stroke DASHED_STROKE = new BasicStroke(2.0f,
69 BasicStroke.CAP_ROUND,
70 BasicStroke.JOIN_ROUND,
71 4.0f, new float[]{4.0f}, 0.0f);
73 private static final Color BLUE_ALPHA = new Color(0, 0, 255, 100);
74 private static final Color RED_ALPHA = new Color(255, 0, 0, 100);
76 private boolean scaleStroke = true;
77 private AffineTransform lastViewTransform = new AffineTransform();
82 addEventHandler(this);
85 public void setNetworkDrawingParticipant(NetworkDrawingParticipant participant) {
86 this.participant = participant;
89 public void setDiagram(IDiagram diagram) {
90 if (diagram != null) {
91 this.diagram = diagram;
92 this.diagramResource = diagram.getHint(DiagramModelHints.KEY_DIAGRAM_RESOURCE);
97 public void render(Graphics2D g2d) {
98 // Must store this for hover info functionality
99 lastViewTransform = g2d.getTransform();
104 Color old = g2d.getColor();
105 Stroke oldStroke = g2d.getStroke();
107 Iterator<DrawingNode> dnodeIterator = nodes.iterator();
108 while (dnodeIterator.hasNext()) {
109 Path2D path = new Path2D.Double();
110 DrawingNode dnode = dnodeIterator.next();
111 Iterator<Point2D> nodeIter = dnode.routeNodes.iterator();
112 if (nodeIter.hasNext()) {
113 Point2D node = nodeIter.next();
114 path.moveTo(node.getX(), node.getY());
116 while (nodeIter.hasNext()) {
117 Point2D node = nodeIter.next();
118 path.lineTo(node.getX(), node.getY());
120 if (!dnodeIterator.hasNext()) {
121 if (currentMousePos != null)
122 path.lineTo(currentMousePos.getX(), currentMousePos.getY());
125 if (DASHED_STROKE != null) {
126 if (scaleStroke && DASHED_STROKE instanceof BasicStroke) {
127 BasicStroke bs = GeometryUtils.scaleStroke(DASHED_STROKE, (float) (1.0 / GeometryUtils.getScale(g2d.getTransform())));
130 g2d.setStroke(DASHED_STROKE);
134 g2d.setColor(BLUE_ALPHA);
137 g2d.setColor(RED_ALPHA);
138 BasicStroke stroke = GeometryUtils.scaleStroke(DASHED_STROKE, (float) (1.0 / GeometryUtils.getScale(g2d.getTransform())));
139 g2d.setStroke(stroke);
140 Point2D currentPoint = path.getCurrentPoint();
141 g2d.draw(new Rectangle2D.Double(currentPoint.getX() - 0.0001 / 2, currentPoint.getY() - 0.0001 / 2, 0.0001, 0.0001));
144 g2d.setStroke(oldStroke);
149 public Rectangle2D getBoundsInLocal() {
154 public int getEventMask() {
155 return EventTypes.AnyMask;
159 protected boolean mouseDoubleClicked(MouseDoubleClickedEvent e) {
161 IToolMode mode = getToolMode();
162 if (mode == Hints.CONNECTTOOL || e.hasAnyModifier(MouseEvent.ALT_MASK | MouseEvent.ALT_GRAPH_MASK)) {
163 // ok, new routenode starts from here
164 Point2D localPos = NodeUtil.worldToLocal(this, e.controlPosition, new Point2D.Double());
165 Point2D.Double pos = new Point2D.Double(localPos.getX(), localPos.getY());
166 if (currentRouteNode != null) {
167 //currentRouteNode.routeNodes.add(pos);
168 currentRouteNode = new DrawingNode();
169 currentRouteNode.routeNodes.add(pos);
170 nodes.add(currentRouteNode);
172 // ok, this must be creation of dh_point
173 double scale = getTransform().getScaleY();
174 double x = ModelledCRS.xToLongitude(pos.getX() / scale);
175 double y = ModelledCRS.yToLatitude(-pos.getY() / scale);
177 boolean leftButton = e.button == MouseEvent.LEFT_BUTTON;
179 ThreadUtils.getNonBlockingWorkExecutor().schedule(() -> {
180 Simantics.getSession().asyncRequest(new Write() {
183 public void perform(WriteGraph graph) throws DatabaseException {
184 graph.markUndoPoint();
185 Resource mapping = null;
187 mapping = graph.getSingleObject(diagramResource, DistrictNetworkResource.getInstance(graph).LeftClickDefaultMapping);
189 mapping = graph.getSingleObject(diagramResource, DistrictNetworkResource.getInstance(graph).RightClickDefaultMapping);
191 if (mapping == null) {
192 mapping = graph.getSingleObject(diagramResource, DistrictNetworkResource.getInstance(graph).VertexDefaultMapping);
194 DistrictNetworkUtil.createVertex(graph, diagramResource, new double[] { x, y }, Double.MAX_VALUE, mapping);
197 }, 100, TimeUnit.MILLISECONDS);
202 return super.mouseDoubleClicked(e);
205 private void createEdge(DrawingNode node) {
207 Point2D start = node.routeNodes.get(0);
208 Point2D end = node.routeNodes.get(node.routeNodes.size() - 1);
210 double currentPadding = DistrictNetworkVertexNode.width;
211 AffineTransform test = getTransform();
212 ICanvasContext ctx = DiagramNodeUtil.getCanvasContext(this);
213 AffineTransform tr = ctx.getHintStack().getHint(Hints.KEY_CANVAS_TRANSFORM);
214 AffineTransform testing = new AffineTransform(tr);
215 testing.concatenate(test);
216 double calculateScaleRecip = DistrictNetworkNodeUtils.calculateScaleRecip(testing);
217 double padding = currentPadding * calculateScaleRecip;
219 * To convert y-coordinates to map coordinates in ruler, use:
220 * double val = (y-offsetY)/scaleY;
221 * val = Math.toDegrees(Math.atan(Math.sinh(Math.toRadians(val))));
222 * String str = formatValue(val);
225 double scaleY = getTransform().getScaleY();
226 double scaleX = getTransform().getScaleX();
228 double startLat = ModelledCRS.yToLatitude(-start.getY() / scaleY);
229 double startLon = ModelledCRS.xToLongitude(start.getX() / scaleX);
231 double endLat = ModelledCRS.yToLatitude(-end.getY() / scaleY);
232 double endLon = ModelledCRS.xToLongitude(end.getX() / scaleX);
234 double[] startCoords = new double[] { startLon, startLat };
235 double[] endCoords = new double[] { endLon, endLat };
237 double[] detailedGeometryCoords = new double[node.routeNodes.size() * 2];
239 for (Point2D p : node.routeNodes) {
240 double lat = ModelledCRS.yToLatitude(-p.getY() / scaleY);
241 double lon = ModelledCRS.xToLongitude(p.getX() / scaleX);
242 detailedGeometryCoords[i++] = lon;
243 detailedGeometryCoords[i++] = lat;
246 DNEdgeBuilder builder = new DNEdgeBuilder(diagramResource, diagram);
247 Simantics.getSession().asyncRequest(new WriteRequest() {
250 public void perform(WriteGraph graph) throws DatabaseException {
251 builder.create(graph, startCoords, Double.MAX_VALUE, endCoords, Double.MAX_VALUE, detailedGeometryCoords, padding);
258 protected boolean mouseClicked(MouseClickEvent e) {
260 IToolMode mode = getToolMode();
261 if (mode == Hints.CONNECTTOOL || e.hasAnyModifier(MouseEvent.ALT_MASK | MouseEvent.ALT_GRAPH_MASK)) {
262 if (e.button == MouseEvent.RIGHT_BUTTON && !nodes.isEmpty()) {
263 nodes.remove(nodes.size() - 1);
264 } else if (e.button == MouseEvent.LEFT_BUTTON) {
265 Point2D localPos = NodeUtil.worldToLocal(this, e.controlPosition, new Point2D.Double());
266 if (currentRouteNode == null && canStartEdge(localPos)) {
267 // ok, we can start from here
268 currentRouteNode = new DrawingNode();
269 currentRouteNode.routeNodes.add(new Point2D.Double(localPos.getX(), localPos.getY()));
270 nodes.add(currentRouteNode);
271 } else if (currentRouteNode != null && canStartEdge(localPos)) {
272 // let's commit our new routenode
273 currentRouteNode.routeNodes.add(new Point2D.Double(localPos.getX(), localPos.getY()));
274 Iterator<DrawingNode> nodeIter = nodes.iterator();
275 while (nodeIter.hasNext()) {
276 createEdge(nodeIter.next());
278 currentRouteNode = null;
280 } else if (currentRouteNode != null) {
281 currentRouteNode.routeNodes.add(new Point2D.Double(localPos.getX(), localPos.getY()));
287 return super.mouseClicked(e);
290 private boolean canStartEdge(Point2D currentPos) {
291 return participant.isHoveringOverNode(currentPos, lastViewTransform);
294 private IToolMode getToolMode() {
295 return participant.getHint(Hints.KEY_TOOL);
299 protected boolean mouseMoved(MouseMovedEvent e) {
300 IToolMode mode = getToolMode();
301 boolean repaint = false;
302 Point2D p = NodeUtil.worldToLocal(this, e.controlPosition, new Point2D.Double());
303 boolean isConnectionTool = mode == Hints.CONNECTTOOL || e.hasAnyModifier(MouseEvent.ALT_MASK | MouseEvent.ALT_GRAPH_MASK);
304 // To boost pan perf hovering is only considered if no mouse button is pressed)
305 if (e.buttons == 0 && participant.pickHoveredElement(p, isConnectionTool, lastViewTransform)) {
308 if (!nodes.isEmpty()) {
313 currentMousePos = null;
316 return super.mouseMoved(e);
320 protected boolean keyPressed(KeyPressedEvent e) {
321 if (e.keyCode == java.awt.event.KeyEvent.VK_ESCAPE) {
322 currentRouteNode = null;
327 return super.keyPressed(e);