+package org.simantics.district.network.ui.nodes;\r
+\r
+import java.awt.Color;\r
+import java.awt.Graphics2D;\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.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.district.network.ui.DNEdgeBuilder;\r
+import org.simantics.district.network.ui.NetworkDrawingParticipant;\r
+import org.simantics.g2d.canvas.Hints;\r
+import org.simantics.g2d.canvas.IToolMode;\r
+import org.simantics.g2d.diagram.IDiagram;\r
+import org.simantics.scenegraph.g2d.G2DNode;\r
+import org.simantics.scenegraph.g2d.events.EventTypes;\r
+import org.simantics.scenegraph.g2d.events.MouseEvent;\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
+\r
+public 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
+ private NetworkDrawingParticipant participant;\r
+\r
+ private IDiagram diagram;\r
+ \r
+ @Override\r
+ public void init() {\r
+ super.init();\r
+ addEventHandler(this);\r
+ }\r
+ \r
+ public void setNetworkDrawingParticipant(NetworkDrawingParticipant participant) {\r
+ this.participant = participant;\r
+ }\r
+ \r
+ public void setDiagram(IDiagram diagram) {\r
+ if (diagram != null) {\r
+ this.diagram = diagram;\r
+ this.diagramResource = diagram.getHint(DiagramModelHints.KEY_DIAGRAM_RESOURCE);\r
+ }\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
+ IToolMode mode = getToolMode();\r
+ if (mode == Hints.CONNECTTOOL || e.hasAnyModifier(MouseEvent.ALT_MASK | MouseEvent.ALT_GRAPH_MASK)) {\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
+ return super.mouseDoubleClicked(e);\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, diagram);\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
+ // check ToolMode\r
+ IToolMode mode = getToolMode();\r
+ if (mode == Hints.CONNECTTOOL || e.hasAnyModifier(MouseEvent.ALT_MASK | MouseEvent.ALT_GRAPH_MASK)) {\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
+ }\r
+ return super.mouseClicked(e);\r
+ }\r
+ \r
+ private IToolMode getToolMode() {\r
+ return participant.getHint(Hints.KEY_TOOL);\r
+ }\r
+\r
+ @Override\r
+ protected boolean mouseMoved(MouseMovedEvent e) {\r
+ return super.mouseMoved(e);\r
+ }\r
+}
\ No newline at end of file