--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.diagram.adapter;\r
+\r
+import gnu.trove.map.hash.THashMap;\r
+import gnu.trove.set.hash.THashSet;\r
+\r
+import java.awt.BasicStroke;\r
+import java.awt.Color;\r
+import java.awt.Shape;\r
+import java.awt.Stroke;\r
+import java.awt.geom.AffineTransform;\r
+import java.awt.geom.Rectangle2D;\r
+import java.util.ArrayList;\r
+import java.util.Collection;\r
+import java.util.Collections;\r
+import java.util.Map;\r
+import java.util.Set;\r
+\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.db.AsyncReadGraph;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.Session;\r
+import org.simantics.db.Statement;\r
+import org.simantics.db.common.procedure.adapter.TransientCacheListener;\r
+import org.simantics.db.common.request.ResourceRead2;\r
+import org.simantics.db.common.request.UnaryRead;\r
+import org.simantics.db.common.utils.NameUtils;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.procedure.AsyncProcedure;\r
+import org.simantics.diagram.connection.ConnectionVisuals;\r
+import org.simantics.diagram.connection.RouteGraph;\r
+import org.simantics.diagram.connection.RouteGraphConnectionClass;\r
+import org.simantics.diagram.connection.RouteLine;\r
+import org.simantics.diagram.connection.RouteNode;\r
+import org.simantics.diagram.connection.RouteTerminal;\r
+import org.simantics.diagram.connection.rendering.BasicConnectionStyle;\r
+import org.simantics.diagram.connection.rendering.ConnectionStyle;\r
+import org.simantics.diagram.connection.rendering.StyledRouteGraphRenderer;\r
+import org.simantics.diagram.connection.rendering.arrows.ArrowLineEndStyle;\r
+import org.simantics.diagram.connection.rendering.arrows.ILineEndStyle;\r
+import org.simantics.diagram.connection.rendering.arrows.PlainLineEndStyle;\r
+import org.simantics.diagram.content.EdgeResource;\r
+import org.simantics.diagram.content.ResourceTerminal;\r
+import org.simantics.diagram.content.TerminalMap;\r
+import org.simantics.diagram.query.DiagramRequests;\r
+import org.simantics.diagram.stubs.DiagramResource;\r
+import org.simantics.diagram.stubs.G2DResource;\r
+import org.simantics.diagram.synchronization.graph.DiagramGraphUtil;\r
+import org.simantics.diagram.synchronization.graph.RouteGraphConnection;\r
+import org.simantics.diagram.ui.DiagramModelHints;\r
+import org.simantics.g2d.canvas.ICanvasContext;\r
+import org.simantics.g2d.connection.ConnectionEntity;\r
+import org.simantics.g2d.diagram.IDiagram;\r
+import org.simantics.g2d.diagram.handler.DataElementMap;\r
+import org.simantics.g2d.diagram.handler.Topology.Connection;\r
+import org.simantics.g2d.diagram.handler.Topology.Terminal;\r
+import org.simantics.g2d.element.ElementClass;\r
+import org.simantics.g2d.element.ElementHints;\r
+import org.simantics.g2d.element.ElementUtils;\r
+import org.simantics.g2d.element.IElement;\r
+import org.simantics.g2d.element.handler.EdgeVisuals.EdgeEnd;\r
+import org.simantics.g2d.element.handler.TerminalTopology;\r
+import org.simantics.g2d.element.handler.impl.StaticObjectAdapter;\r
+import org.simantics.g2d.elementclass.FlagClass.Type;\r
+import org.simantics.g2d.utils.TopologicalSelectionExpander;\r
+import org.simantics.layer0.Layer0;\r
+import org.simantics.modeling.ModelingResources;\r
+import org.simantics.scenegraph.g2d.nodes.connection.IRouteGraphListener;\r
+import org.simantics.scenegraph.g2d.nodes.connection.RouteGraphChangeEvent;\r
+import org.simantics.scenegraph.utils.GeometryUtils;\r
+import org.simantics.structural.stubs.StructuralResource2;\r
+import org.simantics.structural2.modelingRules.CPTerminal;\r
+import org.simantics.structural2.modelingRules.IAttachmentRelationMap;\r
+import org.simantics.structural2.modelingRules.IModelingRules;\r
+\r
+/**\r
+ * An element class for single connection entity elements. A connection entity\r
+ * consists of connection edge segments and branch points as its children.\r
+ * \r
+ * @author Tuukka Lehtonen\r
+ */\r
+public class RouteGraphConnectionClassFactory extends SyncElementFactory {\r
+\r
+ private static final boolean DEBUG = false;\r
+\r
+ public static final ElementClass CLASS = RouteGraphConnectionClass.CLASS;\r
+\r
+ public static final ILineEndStyle HEAD = new ArrowLineEndStyle("fill 2 1 0");\r
+ public static final ILineEndStyle TAIL = PlainLineEndStyle.INSTANCE;\r
+\r
+ protected Layer0 L0;\r
+ protected DiagramResource DIA;\r
+ protected StructuralResource2 STR;\r
+ protected ModelingResources MOD;\r
+\r
+ public RouteGraphConnectionClassFactory(ReadGraph graph) {\r
+ this.L0 = Layer0.getInstance(graph);\r
+ this.DIA = DiagramResource.getInstance(graph);\r
+ this.STR = StructuralResource2.getInstance(graph);\r
+ this.MOD = ModelingResources.getInstance(graph);\r
+ }\r
+\r
+ @Override\r
+ public void create(AsyncReadGraph graph, ICanvasContext canvas, IDiagram diagram, Resource elementType,\r
+ final AsyncProcedure<ElementClass> procedure) {\r
+ procedure.execute(graph, CLASS.newClassWith(false, new StaticObjectAdapter(elementType)));\r
+ }\r
+\r
+ @Override\r
+ protected Resource getElementClassBaseType(AsyncReadGraph graph) {\r
+ return DIA.Connection;\r
+ }\r
+\r
+ @Override\r
+ public void load(ReadGraph graph, ICanvasContext canvas, IDiagram diagram, final Resource connection,\r
+ IElement element) throws DatabaseException {\r
+\r
+ IModelingRules modelingRules = diagram.getHint(DiagramModelHints.KEY_MODELING_RULES);\r
+ Resource diagramRuntime = diagram.getHint(DiagramModelHints.KEY_DIAGRAM_RUNTIME_RESOURCE);\r
+\r
+ RouteGraph rg = new RouteGraph();\r
+\r
+ // Default capacity should be enough for common cases.\r
+ Set<EdgeResource> links = new THashSet<EdgeResource>();\r
+ Map<Object, RouteNode> nodeByData = new THashMap<Object, RouteNode>();\r
+\r
+ // Load all route graph interior RouteNodes: route lines and points\r
+ for (Resource interiorNode : graph.getObjects(connection, DIA.HasInteriorRouteNode)) {\r
+ if (graph.isInstanceOf(interiorNode, DIA.RouteLine)) {\r
+ Boolean isHorizontal = graph.getRelatedValue(interiorNode, DIA.IsHorizontal, Bindings.BOOLEAN);\r
+ Double position = graph.getRelatedValue(interiorNode, DIA.HasPosition, Bindings.DOUBLE);\r
+ RouteLine line = rg.addLine(isHorizontal, position);\r
+ line.setData( RouteGraphConnection.serialize(graph, interiorNode) );\r
+\r
+ nodeByData.put( interiorNode, line );\r
+\r
+ for (Resource connectedTo : graph.getObjects(interiorNode, DIA.AreConnected)) {\r
+ links.add( new EdgeResource(interiorNode, connectedTo) );\r
+ }\r
+ } else if (graph.isInstanceOf(interiorNode, DIA.RoutePoint)) {\r
+ // Not supported yet. Ignore.\r
+ }\r
+ }\r
+\r
+ Rectangle2D bounds = new Rectangle2D.Double();\r
+ Map<Resource, Resource> connectorToModeledAttachment = null;\r
+\r
+ // Primarily the loader will believe what modeling rules say about\r
+ // connector attachment relations.\r
+ // \r
+ // If modeling rules decide nothing, then we simply believe what the\r
+ // the attachment relations in the graph say.\r
+ // \r
+ // Special case 1: connection with two (2) terminals\r
+ // If the attachment of one of two terminals is decided by modeling\r
+ // rules, the other attachment shall be the opposite of the decided\r
+ // attachment (see forcedAttachmentRelation below).\r
+ // \r
+ // Special case 2: connected to a flag\r
+ // If the attached element is a flag and modeling rules say nothing\r
+ // about it, believe the direction stated by the flag type.\r
+\r
+ Collection<Statement> toConnectorStatements = graph.getStatements(connection, DIA.HasConnector);\r
+ int terminalCount = 0;\r
+\r
+ // See if modeling rules judge any of the connection terminal attachments.\r
+ if (modelingRules != null) {\r
+ for (Statement toConnector : toConnectorStatements) {\r
+ Resource connector = toConnector.getObject();\r
+\r
+ Statement terminalStm = findTerminalStatement(graph, connection, connector);\r
+ if (terminalStm == null)\r
+ // Ignore broken connector: attached to the connection but not to any terminal.\r
+ continue;\r
+\r
+ Resource terminalElement = terminalStm.getObject();\r
+ Resource connectionRelation = graph.getPossibleInverse(terminalStm.getPredicate());\r
+ if (connectionRelation == null)\r
+ continue;\r
+\r
+ ++terminalCount;\r
+\r
+ IAttachmentRelationMap map = modelingRules.getAttachmentRelations(graph, connection);\r
+ Resource attachment = map.get(graph, new CPTerminal(terminalElement, connectionRelation));\r
+ if (attachment != null) {\r
+ // Primary: believe modeling rules\r
+ if (connectorToModeledAttachment == null)\r
+ connectorToModeledAttachment = new THashMap<Resource, Resource>(toConnectorStatements.size());\r
+ connectorToModeledAttachment.put(connector, attachment);\r
+ if (DEBUG)\r
+ System.out.println("modeling rules decided attachment: " + NameUtils.getSafeName(graph, attachment, true) + " for (" + NameUtils.toString(graph, toConnector, true) + ") & (" + NameUtils.toString(graph, terminalStm, true) + ")");\r
+ } else if (graph.isInstanceOf(terminalElement, DIA.Flag)) {\r
+ // Secondary: believe flag type\r
+ attachment = resolveFlagAttachment(graph, connection, terminalElement, modelingRules);\r
+ if (attachment != null) {\r
+ if (connectorToModeledAttachment == null)\r
+ connectorToModeledAttachment = new THashMap<Resource, Resource>(toConnectorStatements.size());\r
+ connectorToModeledAttachment.put(connector, attachment);\r
+ if (DEBUG)\r
+ System.out.println("flag type decided attachment: " + NameUtils.getSafeName(graph, attachment, true) + " for (" + NameUtils.toString(graph, toConnector, true) + ") & (" + NameUtils.toString(graph, terminalStm, true) + ")");\r
+ }\r
+ }\r
+ }\r
+ }\r
+\r
+ if (connectorToModeledAttachment == null)\r
+ connectorToModeledAttachment = Collections.emptyMap();\r
+\r
+ Resource forcedAttachmentRelation = null;\r
+ if (terminalCount == 2 && connectorToModeledAttachment.size() == 1) {\r
+ forcedAttachmentRelation = getInverseAttachment(graph, connectorToModeledAttachment.values().iterator().next());\r
+ if (DEBUG)\r
+ System.out.println("set forced attachment: " + NameUtils.getSafeLabel(graph, forcedAttachmentRelation));\r
+ }\r
+\r
+ Resource connectionType = graph.getPossibleObject(connection, STR.HasConnectionType); \r
+\r
+ // Needed to support ConnectionEntity#getTerminalConnections\r
+ Set<BackendConnection> backendConnections = new THashSet<BackendConnection>(toConnectorStatements.size(), 0.75f);\r
+\r
+ // Load all node terminal connections as RouteTerminals\r
+ for (Statement toConnector : toConnectorStatements) {\r
+ Resource connector = toConnector.getObject();\r
+ Resource attachmentRelation = toConnector.getPredicate();\r
+ if (DEBUG)\r
+ System.out.println("original attachment relation: " + NameUtils.getSafeLabel(graph, attachmentRelation));\r
+\r
+ Statement terminalStm = findTerminalStatement(graph, connection, connector);\r
+ if (terminalStm == null)\r
+ // Ignore broken connector: attached to the connection but not to any terminal.\r
+ continue;\r
+\r
+ Resource terminalElement = terminalStm.getObject();\r
+ Resource terminalElementType = graph.getPossibleType(terminalElement, DIA.Element);\r
+ if (terminalElementType == null)\r
+ // Ignore non-element terminal elements\r
+ continue;\r
+\r
+ Resource connectionRelation = graph.getPossibleInverse(terminalStm.getPredicate());\r
+ if (connectionRelation == null)\r
+ continue;\r
+\r
+ // Discover node and terminal this connector is connected to.\r
+ TerminalMap terminals = graph.syncRequest(DiagramRequests.elementTypeTerminals(terminalElementType),\r
+ TransientCacheListener.<TerminalMap>instance());\r
+ Resource terminal = terminals.getTerminal(connectionRelation);\r
+ if (terminal == null) {\r
+ System.err.println(getClass().getSimpleName()\r
+ + ": Could not find terminal for connection point "\r
+ + NameUtils.getSafeName(graph, connectionRelation, true)\r
+ + " in element "\r
+ + NameUtils.getSafeName(graph, terminalElement, true)); \r
+ continue;\r
+ }\r
+\r
+ double[] position = graph.getRelatedValue(connector, DIA.HasRelativeLocation, Bindings.DOUBLE_ARRAY);\r
+ if (position.length != 2)\r
+ position = new double[] { 0, 0 };\r
+\r
+ if (DEBUG) {\r
+ System.out.println("terminalStm: " + NameUtils.toString(graph, terminalStm));\r
+ System.out.println("terminal: " + graph.getURI(terminalStm.getPredicate()));\r
+ }\r
+ AffineTransform terminalElementTr = DiagramGraphUtil.getDynamicWorldTransform(graph, diagramRuntime, terminalElement);\r
+ if (DEBUG)\r
+ System.out.println("terminalElementTr: " + terminalElementTr);\r
+\r
+ double x = terminalElementTr.getTranslateX();\r
+ double y = terminalElementTr.getTranslateY();\r
+ double minx = x-1, miny = y-1, maxx = x+1, maxy = y+1;\r
+ int direction = 0x0;\r
+\r
+ // Use modelingRules to ascertain the proper attachmentRelation\r
+ // for this terminal connection, if available.\r
+ Resource att = connectorToModeledAttachment.get(connector);\r
+ if (att != null) {\r
+ attachmentRelation = att;\r
+ if (DEBUG)\r
+ System.out.println("modeling rules attachment: " + NameUtils.getSafeLabel(graph, attachmentRelation));\r
+ } else if (forcedAttachmentRelation != null) {\r
+ attachmentRelation = forcedAttachmentRelation;\r
+ if (DEBUG)\r
+ System.out.println("forced rules attachment: " + NameUtils.getSafeLabel(graph, attachmentRelation));\r
+ }\r
+ if (DEBUG)\r
+ System.out.println("decided attachment: " + NameUtils.getSafeLabel(graph, attachmentRelation));\r
+\r
+ // Get element bounds to decide allowed terminal direction(s)\r
+ IElement te = graph.syncRequest(DiagramRequests.getElement(canvas, diagram, terminalElement, null));\r
+ ElementUtils.getElementBounds(te, bounds);\r
+ {\r
+ Shape shp = org.simantics.g2d.utils.GeometryUtils.transformShape(bounds, terminalElementTr);\r
+ bounds.setFrame(shp.getBounds2D());\r
+ }\r
+\r
+ // Expand bounds by 2mm to make the connections enter the terminals\r
+ // at a straight angle and from a distance instead of coming in\r
+ // "horizontally".\r
+ GeometryUtils.expandRectangle(bounds, 2);\r
+ minx = bounds.getMinX();\r
+ miny = bounds.getMinY();\r
+ maxx = bounds.getMaxX();\r
+ maxy = bounds.getMaxY();\r
+\r
+ AffineTransform terminalPos = DiagramGraphUtil.getDynamicAffineTransform(graph, terminalElement, terminal);\r
+ //AffineTransform terminalPos2 = DiagramGraphUtil.getAffineTransform(graph, terminal);\r
+ if (terminalPos != null) {\r
+ if (DEBUG) {\r
+ System.out.println("terminalPos: " + terminalPos);\r
+ //System.out.println("terminalPos2: " + terminalPos2);\r
+ }\r
+ terminalElementTr.concatenate(terminalPos);\r
+ if (DEBUG)\r
+ System.out.println("terminalElementTr: " + terminalElementTr);\r
+ x = terminalElementTr.getTranslateX();\r
+ y = terminalElementTr.getTranslateY();\r
+ }\r
+\r
+ Integer allowedDirections = graph.getPossibleRelatedValue(terminal, DIA.Terminal_AllowedDirections, Bindings.INTEGER);\r
+ if (allowedDirections != null) {\r
+ direction |= allowedDirections;\r
+ direction = RouteGraphUtils.rotateDirection(direction, terminalElementTr);\r
+ } else {\r
+ direction |= RouteGraphConnectionClass.shortestDirectionOutOfBounds(x, y, bounds);\r
+ }\r
+ //System.out.println("DIR(" + x + ", " + y + ", " + bounds + "): " + Integer.toHexString(direction));\r
+\r
+ backendConnections.add(\r
+ new BackendConnection(\r
+ toEdgeEnd(graph, attachmentRelation, EdgeEnd.Begin),\r
+ terminalElement,\r
+ terminal)\r
+ );\r
+\r
+ if (direction == 0)\r
+ // Accept any horizontal/vertical direction if nothing is defined\r
+ direction = 0xf;\r
+\r
+ if (graph.<Boolean>getRelatedValue(connector, DIA.Connector_straight, Bindings.BOOLEAN))\r
+ direction |= RouteTerminal.DIR_DIRECT;\r
+ // FIXME: routegraph crashes if this is done for all terminals regardless of the amount of terminals.\r
+\r
+ if (DEBUG)\r
+ System.out.println("load line style: " + NameUtils.getSafeLabel(graph, attachmentRelation));\r
+ ILineEndStyle endStyle = loadLineEndStyle(graph, attachmentRelation, connectionType, TAIL);\r
+\r
+ RouteTerminal routeTerminal = rg.addTerminal(x, y, minx, miny, maxx, maxy, direction, endStyle);\r
+ routeTerminal.setData( RouteGraphConnection.serialize(graph, connector) );\r
+\r
+ nodeByData.put( connector, routeTerminal );\r
+\r
+ for (Resource connectedTo : graph.getObjects(connector, DIA.AreConnected)) {\r
+ links.add( new EdgeResource(connectedTo, connector) );\r
+ }\r
+ }\r
+\r
+ // Finish route graph loading by Linking route nodes together\r
+ for (EdgeResource link : links) {\r
+ RouteNode n1 = nodeByData.get(link.first());\r
+ RouteNode n2 = nodeByData.get(link.second());\r
+ if (n1 == null || n2 == null) {\r
+ System.err.println("Stray connection link found: " + link.toString(graph));\r
+ continue;\r
+ }\r
+ rg.link(n1, n2);\r
+ }\r
+\r
+ // Load connection line style.\r
+ ConnectionStyle style = readConnectionStyle(graph, modelingRules, connection);\r
+ StyledRouteGraphRenderer renderer = getRenderer(graph, style);\r
+\r
+ // Finish element load\r
+ element.setHint(RouteGraphConnectionClass.KEY_ROUTEGRAPH, rg);\r
+ element.setHint(RouteGraphConnectionClass.KEY_RENDERER, renderer);\r
+ element.setHint(RouteGraphConnectionClass.KEY_PICK_TOLERANCE, 0.5);\r
+\r
+ // Initialize ConnectionEntity in element\r
+ element.setHint(ElementHints.KEY_CONNECTION_ENTITY, new CE(diagram, connection, element, backendConnections));\r
+\r
+ // Setup graph writeback support for route graph modifications\r
+ final Session session = graph.getSession();\r
+ element.setHint(RouteGraphConnectionClass.KEY_RG_LISTENER, new IRouteGraphListener() {\r
+ @Override\r
+ public void routeGraphChanged(RouteGraphChangeEvent event) {\r
+ scheduleSynchronize(session, connection, event);\r
+ }\r
+ });\r
+ }\r
+\r
+ protected EdgeEnd toEdgeEnd(ReadGraph graph, Resource attachmentRelation, EdgeEnd defaultValue)\r
+ throws DatabaseException {\r
+ if (graph.isSubrelationOf(attachmentRelation, DIA.HasTailConnector))\r
+ return EdgeEnd.Begin;\r
+ if (graph.isSubrelationOf(attachmentRelation, DIA.HasHeadConnector))\r
+ return EdgeEnd.End;\r
+ return defaultValue;\r
+ }\r
+\r
+ /**\r
+ * @param graph\r
+ * @param canvas\r
+ * @param style\r
+ * @return\r
+ * @throws DatabaseException\r
+ */\r
+ protected StyledRouteGraphRenderer getRenderer(ReadGraph graph, ConnectionStyle style)\r
+ throws DatabaseException {\r
+ return graph.syncRequest(new Renderer(style),\r
+ TransientCacheListener.<StyledRouteGraphRenderer>instance());\r
+ }\r
+\r
+ /**\r
+ * A request for caching StyledRouteGraphRenderer results.\r
+ */\r
+ public static class Renderer extends UnaryRead<ConnectionStyle, StyledRouteGraphRenderer> {\r
+ public Renderer(ConnectionStyle style) {\r
+ super(style);\r
+ }\r
+ @Override\r
+ public StyledRouteGraphRenderer perform(ReadGraph graph) throws DatabaseException {\r
+ return new StyledRouteGraphRenderer(parameter);\r
+ }\r
+ }\r
+\r
+ /**\r
+ * @param graph\r
+ * @param canvas\r
+ * @param modelingRules\r
+ * @param connection\r
+ * @return\r
+ * @throws DatabaseException\r
+ */\r
+ protected ConnectionStyle readConnectionStyle(ReadGraph graph, IModelingRules modelingRules, Resource connection) throws DatabaseException {\r
+ Resource connectionType = null;\r
+ if (modelingRules != null)\r
+ connectionType = modelingRules.getConnectionType(graph, connection);\r
+ if (connectionType == null)\r
+ connectionType = graph.getPossibleObject(connection, STR.HasConnectionType);\r
+ return readConnectionStyleFromConnectionType(graph, connectionType);\r
+ }\r
+\r
+ protected ConnectionStyle readConnectionStyleFromConnectionType(ReadGraph graph, Resource connectionType) throws DatabaseException {\r
+ return graph.syncRequest(new ReadConnectionStyleFromConnectionType(connectionType),\r
+ TransientCacheListener.<ConnectionStyle>instance());\r
+ }\r
+\r
+ /**\r
+ * A request for caching ConnectionStyle results.\r
+ */\r
+ public static class ReadConnectionStyleFromConnectionType extends UnaryRead<Resource, ConnectionStyle> {\r
+ public ReadConnectionStyleFromConnectionType(Resource connectionType) {\r
+ super(connectionType);\r
+ }\r
+ @Override\r
+ public ConnectionStyle perform(ReadGraph graph) throws DatabaseException {\r
+ return readConnectionStyleFromConnectionType0(graph, parameter);\r
+ }\r
+ }\r
+\r
+ protected static ConnectionStyle readConnectionStyleFromConnectionType0(ReadGraph graph, Resource connectionType) throws DatabaseException {\r
+ ConnectionVisuals cv = null;\r
+ if (connectionType != null)\r
+ cv = graph.syncRequest(DiagramRequests.getConnectionVisuals(connectionType),\r
+ TransientCacheListener.<ConnectionVisuals>instance());\r
+\r
+ // Fixed style settings\r
+ Color branchPointColor = Color.BLACK;\r
+ double branchPointRadius = 0.5;\r
+ double degenerateLineLength = 0.8;\r
+\r
+ Color lineColor = cv != null ? cv.toColor() : null;\r
+ if (lineColor == null)\r
+ lineColor = Color.DARK_GRAY;\r
+ Stroke lineStroke = cv != null ? cv.stroke : null;\r
+ if (lineStroke == null)\r
+ lineStroke = new BasicStroke(0.1f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL, 10, null, 0);\r
+ Stroke routeLineStroke = GeometryUtils.scaleStrokeWidth(lineStroke, 2);\r
+\r
+ return new BasicConnectionStyle(\r
+ lineColor,\r
+ branchPointColor,\r
+ branchPointRadius,\r
+ lineStroke,\r
+ routeLineStroke,\r
+ degenerateLineLength);\r
+ }\r
+\r
+ /**\r
+ * @param graph\r
+ * @param connection\r
+ * @param connector\r
+ * @return connection relation statement from diagram connection connector\r
+ * to a node\r
+ * @throws DatabaseException\r
+ */\r
+ public Statement findTerminalStatement(ReadGraph graph, Resource connection, Resource connector)\r
+ throws DatabaseException {\r
+ for (Statement stm : graph.getStatements(connector, STR.Connects)) {\r
+ if (connection.equals(stm.getObject()))\r
+ continue;\r
+ return stm;\r
+ }\r
+ return null;\r
+ }\r
+\r
+ public static ILineEndStyle loadLineEndStyle(ReadGraph graph, Resource attachmentRelation, ILineEndStyle defaultValue)\r
+ throws DatabaseException {\r
+ ILineEndStyle style = graph.syncRequest(new LineEndStyle(attachmentRelation),\r
+ TransientCacheListener.<ILineEndStyle>instance());\r
+ return style != null ? style : defaultValue;\r
+ }\r
+\r
+ public static ILineEndStyle loadLineEndStyle(ReadGraph graph, Resource attachmentRelation, Resource connectionType, ILineEndStyle defaultValue)\r
+ throws DatabaseException {\r
+ if(connectionType != null) {\r
+ ILineEndStyle style = graph.syncRequest(new LineEndStyleWithType(attachmentRelation, connectionType),\r
+ TransientCacheListener.<ILineEndStyle>instance());\r
+ return style != null ? style : defaultValue;\r
+ } else {\r
+ ILineEndStyle style = graph.syncRequest(new LineEndStyle(attachmentRelation),\r
+ TransientCacheListener.<ILineEndStyle>instance());\r
+ return style != null ? style : defaultValue;\r
+ }\r
+ }\r
+\r
+ /**\r
+ * A request for caching ILineEndStyle results.\r
+ */\r
+ public static class LineEndStyle extends UnaryRead<Resource, ILineEndStyle> {\r
+ public LineEndStyle(Resource attachmentRelation) {\r
+ super(attachmentRelation);\r
+ }\r
+ @Override\r
+ public ILineEndStyle perform(ReadGraph graph) throws DatabaseException {\r
+ return loadLineEndStyle0(graph, parameter);\r
+ }\r
+ }\r
+\r
+ public static class LineEndStyleWithType extends ResourceRead2<ILineEndStyle> {\r
+ public LineEndStyleWithType(Resource attachmentRelation, Resource connectionType) {\r
+ super(attachmentRelation, connectionType);\r
+ }\r
+ @Override\r
+ public ILineEndStyle perform(ReadGraph graph) throws DatabaseException {\r
+ return loadLineEndStyle0(graph, resource, resource2);\r
+ }\r
+ }\r
+ \r
+ public static ILineEndStyle loadLineEndStyle0(ReadGraph graph, Resource attachmentRelation)\r
+ throws DatabaseException {\r
+ ILineEndStyle style = graph.getPossibleAdapter(attachmentRelation, ILineEndStyle.class);\r
+ if (style != null)\r
+ return style;\r
+ DiagramResource DIA = DiagramResource.getInstance(graph);\r
+ if (graph.isSubrelationOf(attachmentRelation, DIA.HasHeadConnector))\r
+ return HEAD;\r
+ if (graph.isSubrelationOf(attachmentRelation, DIA.HasTailConnector))\r
+ return TAIL;\r
+ return null;\r
+ }\r
+\r
+ public static ILineEndStyle loadLineEndStyle0(ReadGraph graph, Resource attachmentRelation, Resource connectionType)\r
+ throws DatabaseException {\r
+ DiagramResource DIA = DiagramResource.getInstance(graph);\r
+ if (graph.isSubrelationOf(attachmentRelation, DIA.HasHeadConnector)) {\r
+ if(connectionType != null) {\r
+ G2DResource G2D = G2DResource.getInstance(graph);\r
+ Resource end = graph.getPossibleObject(connectionType, G2D.HasEndArrow);\r
+ if(end != null) {\r
+ \r
+ Double size = graph.getPossibleRelatedValue(end, G2D.HasSize, Bindings.DOUBLE);\r
+ if(size == null) size = 0.0;\r
+ Double widthRatio = graph.getPossibleRelatedValue(end, G2D.HasWidthRatio, Bindings.DOUBLE);\r
+ if(widthRatio == null) widthRatio = 1.0;\r
+ Double space = graph.getPossibleRelatedValue(end, G2D.HasSpace, Bindings.DOUBLE);\r
+ if(space == null) space = 0.0;\r
+ \r
+ Resource c = graph.getPossibleObject(end, G2D.HasColor);\r
+ Color color = null;\r
+ if (c != null) {\r
+ float[] col = graph.getPossibleValue(c, Bindings.FLOAT_ARRAY);\r
+ if (col != null && col.length >= 3) {\r
+ color = new Color(col[0], col[1], col[2]);\r
+ }\r
+ }\r
+ \r
+ return new ArrowLineEndStyle(size, widthRatio*size, space, color);\r
+ \r
+ }\r
+ }\r
+ }\r
+ return loadLineEndStyle0(graph, attachmentRelation);\r
+ }\r
+\r
+ /**\r
+ * @param graph\r
+ * @param attachmentRelation\r
+ * @return\r
+ * @throws DatabaseException\r
+ */\r
+ public Resource getInverseAttachment(ReadGraph graph, Resource attachmentRelation)\r
+ throws DatabaseException {\r
+ Resource inverse = graph.getPossibleObject(attachmentRelation, DIA.HasInverseAttachment);\r
+ if (inverse != null)\r
+ return inverse;\r
+ if (graph.isSubrelationOf(attachmentRelation, DIA.HasHeadConnector))\r
+ return DIA.HasPlainConnector;\r
+ if (graph.isSubrelationOf(attachmentRelation, DIA.HasTailConnector))\r
+ return DIA.HasArrowConnector;\r
+ return null;\r
+ }\r
+\r
+// private int directionSetToToDirectionMask(DirectionSet directions) {\r
+// if (directions == DirectionSet.ANY)\r
+// return 0xf;\r
+// int mask = 0;\r
+// for (Double d : directions) {\r
+// mask |= compassAngleToToDirectionMask(d);\r
+// }\r
+// return mask;\r
+// }\r
+//\r
+// private int compassAngleToToDirectionMask(double compassAngle) {\r
+// Double d = DirectionSet.NESW.getClosestDirection(compassAngle);\r
+// int id = (int) Math.round(d);\r
+// // bits:\r
+// // 0 right (1,0)\r
+// // 1 down (0,1)\r
+// // 2 left (-1,0)\r
+// // 3 up (0,-1)\r
+// switch (id) {\r
+// case 0: return (1 << 3);\r
+// case 90: return (1 << 2);\r
+// case 180: return (1 << 1);\r
+// case 270: return (1 << 0);\r
+// }\r
+// return 0xf;\r
+// }\r
+\r
+ public Resource resolveFlagAttachment(ReadGraph graph, Resource connection, Resource flag, IModelingRules modelingRules) throws DatabaseException {\r
+ Type type = resolveFlagType(graph, connection, flag, modelingRules);\r
+ if (type != null) {\r
+ switch (type) {\r
+ case In: return DIA.HasPlainConnector;\r
+ case Out: return DIA.HasArrowConnector;\r
+ }\r
+ }\r
+ return null;\r
+ }\r
+\r
+ protected Type resolveFlagType(ReadGraph graph, Resource connection, Resource flag, IModelingRules modelingRules) throws DatabaseException {\r
+ return readFlagType(graph, flag);\r
+// StructuralResource2 sr = StructuralResource2.getInstance(graph);\r
+// Resource connectionType = graph.getPossibleObject(connection, sr.HasConnectionType);\r
+// if (connectionType == null)\r
+// return readFlagType(graph, flagElement, flag);\r
+// IFlagTypeReader ftr = graph.getPossibleAdapter(connectionType, IFlagTypeReader.class);\r
+// if (ftr == null)\r
+// return readFlagType(graph, flagElement, flag);\r
+//\r
+// IFlagType ft = ftr.read(graph, flag, modelingRules);\r
+// FlagInfo info = ft.getInfo(graph);\r
+// return info.getType();\r
+ }\r
+\r
+ protected Type readFlagType(ReadGraph graph, Resource flag) throws DatabaseException {\r
+ Resource flagType = graph.getPossibleObject(flag, DIA.HasFlagType);\r
+ Type type = DiagramGraphUtil.toFlagType(DIA, flagType);\r
+ return type;\r
+ }\r
+\r
+ public static void scheduleSynchronize(Session session, Resource connection, RouteGraphChangeEvent event) {\r
+ session.asyncRequest(RouteGraphConnection.synchronizer(connection, event));\r
+ }\r
+\r
+ /**\r
+ * Must have this in order for {@link TopologicalSelectionExpander} to work.\r
+ * Otherwise this is pretty useless and should be deprecated altogether.\r
+ * \r
+ * @see ElementHints#KEY_CONNECTION_ENTITY\r
+ */\r
+ public static class CE implements ConnectionEntity {\r
+\r
+ /**\r
+ * Needed to gain access to DataElementMap.\r
+ */\r
+ final IDiagram diagram;\r
+ final DataElementMap dataMap;\r
+\r
+ /**\r
+ * The connection instance resource in the graph backend.\r
+ */\r
+ final Resource connection;\r
+\r
+ /**\r
+ * The current element mapped to connection. \r
+ */\r
+ IElement connectionElement;\r
+\r
+ /**\r
+ * @see #getTerminalConnections(Collection)\r
+ */\r
+ final Set<BackendConnection> backendConnections;\r
+\r
+ /**\r
+ * Cache.\r
+ */\r
+ Set<Connection> terminalConnections;\r
+\r
+ public CE(IDiagram diagram, Resource connection, IElement connectionElement, Set<BackendConnection> backendConnections) {\r
+ if (connectionElement == null)\r
+ throw new NullPointerException("null connection element");\r
+ this.diagram = diagram;\r
+ this.dataMap = diagram.getDiagramClass().getSingleItem(DataElementMap.class);\r
+ this.connection = connection;\r
+ this.connectionElement = connectionElement;\r
+ this.backendConnections = backendConnections;\r
+ IElement ce = getConnection0();\r
+ if (ce != null)\r
+ this.connectionElement = ce;\r
+ }\r
+\r
+ public IElement getConnection0() {\r
+ DataElementMap dem = diagram.getDiagramClass().getSingleItem(DataElementMap.class);\r
+ IElement connectionElement = dem.getElement(diagram, connection);\r
+ return connectionElement;\r
+ }\r
+\r
+ @Override\r
+ public IElement getConnection() {\r
+ IElement c = getConnection0();\r
+ if (c == null)\r
+ c = this.connectionElement;\r
+ return c;\r
+ }\r
+\r
+ @Override\r
+ public Collection<IElement> getBranchPoints(Collection<IElement> result) {\r
+ return result != null ? result : Collections.<IElement> emptyList();\r
+ }\r
+\r
+ @Override\r
+ public Collection<IElement> getSegments(Collection<IElement> result) {\r
+ return result != null ? result : Collections.<IElement> emptyList();\r
+ }\r
+\r
+ @Override\r
+ public Collection<Connection> getTerminalConnections(Collection<Connection> result) {\r
+ if (terminalConnections == null)\r
+ terminalConnections = calculateTerminalConnections();\r
+ if (result == null)\r
+ result = new ArrayList<Connection>(terminalConnections);\r
+ else\r
+ result.addAll(terminalConnections);\r
+ return terminalConnections;\r
+ }\r
+\r
+ private Set<Connection> calculateTerminalConnections() {\r
+ Set<Connection> result = new THashSet<Connection>(backendConnections.size());\r
+ DataElementMap dem = diagram.getDiagramClass().getSingleItem(DataElementMap.class);\r
+ IElement connectionElement = dem.getElement(diagram, connection);\r
+ if (connectionElement == null)\r
+ throw new NullPointerException("connection is not mapped");\r
+ ArrayList<Terminal> ts = new ArrayList<Terminal>();\r
+ for (BackendConnection bc : backendConnections) {\r
+ IElement e = dem.getElement(diagram, bc.node);\r
+ if (e == null)\r
+ continue;\r
+ TerminalTopology tt = e.getElementClass().getSingleItem(TerminalTopology.class);\r
+ ts.clear();\r
+ tt.getTerminals(e, ts);\r
+ for (Terminal t : ts) {\r
+ if (t instanceof ResourceTerminal) {\r
+ ResourceTerminal rt = (ResourceTerminal) t;\r
+ if (bc.terminal.equals(rt.getResource())) {\r
+ result.add(new Connection(connectionElement, bc.end, e, t));\r
+ break;\r
+ }\r
+ }\r
+ }\r
+ }\r
+ return result;\r
+ }\r
+\r
+ @Override\r
+ public void setListener(ConnectionListener listener) {\r
+ throw new UnsupportedOperationException();\r
+ }\r
+\r
+ @Override\r
+ public String toString() {\r
+ return getClass().getSimpleName() + "[resource=" + connection + ", connectionElement=" + getConnection()\r
+ + "]";\r
+ }\r
+\r
+ }\r
+\r
+ public static class BackendConnection {\r
+ public final Resource node;\r
+ public final Resource terminal;\r
+ public final EdgeEnd end;\r
+ public BackendConnection(EdgeEnd end, Resource node, Resource terminal) {\r
+ assert end != null;\r
+ assert node != null;\r
+ assert terminal != null;\r
+ this.end = end;\r
+ this.node = node;\r
+ this.terminal = terminal;\r
+ }\r
+ @Override\r
+ public boolean equals(Object obj) {\r
+ if (this == obj)\r
+ return true;\r
+ if (!(obj instanceof Connection))\r
+ return false;\r
+ Connection other = (Connection) obj;\r
+ return other.terminal == terminal\r
+ && other.node == node\r
+ && other.end == end;\r
+ }\r
+ @Override\r
+ public int hashCode() {\r
+ final int prime = 31;\r
+ int result = 1;\r
+ result = prime * result + end.hashCode();\r
+ result = prime * result + ((node == null) ? 0 : node.hashCode());\r
+ result = prime * result + ((terminal == null) ? 0 : terminal.hashCode());\r
+ return result;\r
+ }\r
+ @Override\r
+ public String toString() {\r
+ return "BackendConnection[node=" + node + ", terminal=" + terminal + ", end=" + end + "]";\r
+ }\r
+ }\r
+\r
+}
\ No newline at end of file
Code Review / simantics / platform.git / blobdiff