From: Tuukka Lehtonen Date: Wed, 23 Nov 2016 13:00:55 +0000 (+0200) Subject: Refactored RouteGraphConnectionClassFactory code into RouteGraphUtils X-Git-Tag: v1.25.0~35^2 X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F64%2F164%2F1;p=simantics%2Fplatform.git Refactored RouteGraphConnectionClassFactory code into RouteGraphUtils This concludes a refactoring started over 4 years ago. refs #3832 Change-Id: I8832696c12038c74d0e28a7f0851de142d947a48 --- diff --git a/bundles/org.simantics.diagram/src/org/simantics/diagram/adapter/RouteGraphConnectionClassFactory.java b/bundles/org.simantics.diagram/src/org/simantics/diagram/adapter/RouteGraphConnectionClassFactory.java index 1b39ef87b..c4594ff51 100644 --- a/bundles/org.simantics.diagram/src/org/simantics/diagram/adapter/RouteGraphConnectionClassFactory.java +++ b/bundles/org.simantics.diagram/src/org/simantics/diagram/adapter/RouteGraphConnectionClassFactory.java @@ -1,5 +1,5 @@ /******************************************************************************* - * Copyright (c) 2007, 2010 Association for Decentralized Information Management + * Copyright (c) 2007, 2016 Association for Decentralized Information Management * in Industry THTH ry. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 @@ -8,56 +8,29 @@ * * Contributors: * VTT Technical Research Centre of Finland - initial API and implementation + * Semantum Oy - refactoring *******************************************************************************/ package org.simantics.diagram.adapter; -import gnu.trove.map.hash.THashMap; -import gnu.trove.set.hash.THashSet; - -import java.awt.BasicStroke; -import java.awt.Color; -import java.awt.Shape; -import java.awt.Stroke; -import java.awt.geom.AffineTransform; -import java.awt.geom.Rectangle2D; import java.util.ArrayList; import java.util.Collection; import java.util.Collections; -import java.util.Map; import java.util.Set; -import org.simantics.databoard.Bindings; import org.simantics.db.AsyncReadGraph; import org.simantics.db.ReadGraph; import org.simantics.db.Resource; import org.simantics.db.Session; -import org.simantics.db.Statement; -import org.simantics.db.common.procedure.adapter.TransientCacheListener; -import org.simantics.db.common.request.ResourceRead2; -import org.simantics.db.common.request.UnaryRead; -import org.simantics.db.common.utils.NameUtils; import org.simantics.db.exception.DatabaseException; import org.simantics.db.procedure.AsyncProcedure; -import org.simantics.diagram.connection.ConnectionVisuals; +import org.simantics.diagram.adapter.RouteGraphUtils.BackendConnection; import org.simantics.diagram.connection.RouteGraph; import org.simantics.diagram.connection.RouteGraphConnectionClass; -import org.simantics.diagram.connection.RouteLine; -import org.simantics.diagram.connection.RouteNode; -import org.simantics.diagram.connection.RouteTerminal; -import org.simantics.diagram.connection.rendering.BasicConnectionStyle; import org.simantics.diagram.connection.rendering.ConnectionStyle; import org.simantics.diagram.connection.rendering.StyledRouteGraphRenderer; -import org.simantics.diagram.connection.rendering.arrows.ArrowLineEndStyle; import org.simantics.diagram.connection.rendering.arrows.ILineEndStyle; -import org.simantics.diagram.connection.rendering.arrows.PlainLineEndStyle; -import org.simantics.diagram.content.EdgeResource; import org.simantics.diagram.content.ResourceTerminal; -import org.simantics.diagram.content.TerminalMap; -import org.simantics.diagram.query.DiagramRequests; import org.simantics.diagram.stubs.DiagramResource; -import org.simantics.diagram.stubs.G2DResource; -import org.simantics.diagram.synchronization.graph.DiagramGraphUtil; -import org.simantics.diagram.synchronization.graph.RouteGraphConnection; import org.simantics.diagram.ui.DiagramModelHints; import org.simantics.g2d.canvas.ICanvasContext; import org.simantics.g2d.connection.ConnectionEntity; @@ -67,23 +40,19 @@ import org.simantics.g2d.diagram.handler.Topology.Connection; import org.simantics.g2d.diagram.handler.Topology.Terminal; import org.simantics.g2d.element.ElementClass; import org.simantics.g2d.element.ElementHints; -import org.simantics.g2d.element.ElementUtils; import org.simantics.g2d.element.IElement; -import org.simantics.g2d.element.handler.EdgeVisuals.EdgeEnd; import org.simantics.g2d.element.handler.TerminalTopology; import org.simantics.g2d.element.handler.impl.StaticObjectAdapter; -import org.simantics.g2d.elementclass.FlagClass.Type; import org.simantics.g2d.utils.TopologicalSelectionExpander; import org.simantics.layer0.Layer0; import org.simantics.modeling.ModelingResources; import org.simantics.scenegraph.g2d.nodes.connection.IRouteGraphListener; import org.simantics.scenegraph.g2d.nodes.connection.RouteGraphChangeEvent; -import org.simantics.scenegraph.utils.GeometryUtils; import org.simantics.structural.stubs.StructuralResource2; -import org.simantics.structural2.modelingRules.CPTerminal; -import org.simantics.structural2.modelingRules.IAttachmentRelationMap; import org.simantics.structural2.modelingRules.IModelingRules; +import gnu.trove.set.hash.THashSet; + /** * An element class for single connection entity elements. A connection entity * consists of connection edge segments and branch points as its children. @@ -92,12 +61,10 @@ import org.simantics.structural2.modelingRules.IModelingRules; */ public class RouteGraphConnectionClassFactory extends SyncElementFactory { - private static final boolean DEBUG = false; - public static final ElementClass CLASS = RouteGraphConnectionClass.CLASS; - public static final ILineEndStyle HEAD = new ArrowLineEndStyle("fill 2 1 0"); - public static final ILineEndStyle TAIL = PlainLineEndStyle.INSTANCE; + public static final ILineEndStyle HEAD = RouteGraphUtils.HEAD; + public static final ILineEndStyle TAIL = RouteGraphUtils.TAIL; protected Layer0 L0; protected DiagramResource DIA; @@ -129,256 +96,12 @@ public class RouteGraphConnectionClassFactory extends SyncElementFactory { IModelingRules modelingRules = diagram.getHint(DiagramModelHints.KEY_MODELING_RULES); Resource diagramRuntime = diagram.getHint(DiagramModelHints.KEY_DIAGRAM_RUNTIME_RESOURCE); - RouteGraph rg = new RouteGraph(); - - // Default capacity should be enough for common cases. - Set links = new THashSet(); - Map nodeByData = new THashMap(); - - // Load all route graph interior RouteNodes: route lines and points - for (Resource interiorNode : graph.getObjects(connection, DIA.HasInteriorRouteNode)) { - if (graph.isInstanceOf(interiorNode, DIA.RouteLine)) { - Boolean isHorizontal = graph.getRelatedValue(interiorNode, DIA.IsHorizontal, Bindings.BOOLEAN); - Double position = graph.getRelatedValue(interiorNode, DIA.HasPosition, Bindings.DOUBLE); - RouteLine line = rg.addLine(isHorizontal, position); - line.setData( RouteGraphConnection.serialize(graph, interiorNode) ); - - nodeByData.put( interiorNode, line ); - - for (Resource connectedTo : graph.getObjects(interiorNode, DIA.AreConnected)) { - links.add( new EdgeResource(interiorNode, connectedTo) ); - } - } else if (graph.isInstanceOf(interiorNode, DIA.RoutePoint)) { - // Not supported yet. Ignore. - } - } - - Rectangle2D bounds = new Rectangle2D.Double(); - Map connectorToModeledAttachment = null; - - // Primarily the loader will believe what modeling rules say about - // connector attachment relations. - // - // If modeling rules decide nothing, then we simply believe what the - // the attachment relations in the graph say. - // - // Special case 1: connection with two (2) terminals - // If the attachment of one of two terminals is decided by modeling - // rules, the other attachment shall be the opposite of the decided - // attachment (see forcedAttachmentRelation below). - // - // Special case 2: connected to a flag - // If the attached element is a flag and modeling rules say nothing - // about it, believe the direction stated by the flag type. - - Collection toConnectorStatements = graph.getStatements(connection, DIA.HasConnector); - int terminalCount = 0; - - // See if modeling rules judge any of the connection terminal attachments. - if (modelingRules != null) { - for (Statement toConnector : toConnectorStatements) { - Resource connector = toConnector.getObject(); - - Statement terminalStm = findTerminalStatement(graph, connection, connector); - if (terminalStm == null) - // Ignore broken connector: attached to the connection but not to any terminal. - continue; - - Resource terminalElement = terminalStm.getObject(); - Resource connectionRelation = graph.getPossibleInverse(terminalStm.getPredicate()); - if (connectionRelation == null) - continue; - - ++terminalCount; - - IAttachmentRelationMap map = modelingRules.getAttachmentRelations(graph, connection); - Resource attachment = map.get(graph, new CPTerminal(terminalElement, connectionRelation)); - if (attachment != null) { - // Primary: believe modeling rules - if (connectorToModeledAttachment == null) - connectorToModeledAttachment = new THashMap(toConnectorStatements.size()); - connectorToModeledAttachment.put(connector, attachment); - if (DEBUG) - System.out.println("modeling rules decided attachment: " + NameUtils.getSafeName(graph, attachment, true) + " for (" + NameUtils.toString(graph, toConnector, true) + ") & (" + NameUtils.toString(graph, terminalStm, true) + ")"); - } else if (graph.isInstanceOf(terminalElement, DIA.Flag)) { - // Secondary: believe flag type - attachment = resolveFlagAttachment(graph, connection, terminalElement, modelingRules); - if (attachment != null) { - if (connectorToModeledAttachment == null) - connectorToModeledAttachment = new THashMap(toConnectorStatements.size()); - connectorToModeledAttachment.put(connector, attachment); - if (DEBUG) - System.out.println("flag type decided attachment: " + NameUtils.getSafeName(graph, attachment, true) + " for (" + NameUtils.toString(graph, toConnector, true) + ") & (" + NameUtils.toString(graph, terminalStm, true) + ")"); - } - } - } - } - - if (connectorToModeledAttachment == null) - connectorToModeledAttachment = Collections.emptyMap(); - - Resource forcedAttachmentRelation = null; - if (terminalCount == 2 && connectorToModeledAttachment.size() == 1) { - forcedAttachmentRelation = getInverseAttachment(graph, connectorToModeledAttachment.values().iterator().next()); - if (DEBUG) - System.out.println("set forced attachment: " + NameUtils.getSafeLabel(graph, forcedAttachmentRelation)); - } - - Resource connectionType = graph.getPossibleObject(connection, STR.HasConnectionType); - - // Needed to support ConnectionEntity#getTerminalConnections - Set backendConnections = new THashSet(toConnectorStatements.size(), 0.75f); - - // Load all node terminal connections as RouteTerminals - for (Statement toConnector : toConnectorStatements) { - Resource connector = toConnector.getObject(); - Resource attachmentRelation = toConnector.getPredicate(); - if (DEBUG) - System.out.println("original attachment relation: " + NameUtils.getSafeLabel(graph, attachmentRelation)); - - Statement terminalStm = findTerminalStatement(graph, connection, connector); - if (terminalStm == null) - // Ignore broken connector: attached to the connection but not to any terminal. - continue; - - Resource terminalElement = terminalStm.getObject(); - Resource terminalElementType = graph.getPossibleType(terminalElement, DIA.Element); - if (terminalElementType == null) - // Ignore non-element terminal elements - continue; - - Resource connectionRelation = graph.getPossibleInverse(terminalStm.getPredicate()); - if (connectionRelation == null) - continue; - - // Discover node and terminal this connector is connected to. - TerminalMap terminals = graph.syncRequest(DiagramRequests.elementTypeTerminals(terminalElementType), - TransientCacheListener.instance()); - Resource terminal = terminals.getTerminal(connectionRelation); - if (terminal == null) { - System.err.println(getClass().getSimpleName() - + ": Could not find terminal for connection point " - + NameUtils.getSafeName(graph, connectionRelation, true) - + " in element " - + NameUtils.getSafeName(graph, terminalElement, true)); - continue; - } - - double[] position = graph.getRelatedValue(connector, DIA.HasRelativeLocation, Bindings.DOUBLE_ARRAY); - if (position.length != 2) - position = new double[] { 0, 0 }; - - if (DEBUG) { - System.out.println("terminalStm: " + NameUtils.toString(graph, terminalStm)); - System.out.println("terminal: " + graph.getURI(terminalStm.getPredicate())); - } - AffineTransform terminalElementTr = DiagramGraphUtil.getDynamicWorldTransform(graph, diagramRuntime, terminalElement); - if (DEBUG) - System.out.println("terminalElementTr: " + terminalElementTr); - - double x = terminalElementTr.getTranslateX(); - double y = terminalElementTr.getTranslateY(); - double minx = x-1, miny = y-1, maxx = x+1, maxy = y+1; - int direction = 0x0; - - // Use modelingRules to ascertain the proper attachmentRelation - // for this terminal connection, if available. - Resource att = connectorToModeledAttachment.get(connector); - if (att != null) { - attachmentRelation = att; - if (DEBUG) - System.out.println("modeling rules attachment: " + NameUtils.getSafeLabel(graph, attachmentRelation)); - } else if (forcedAttachmentRelation != null) { - attachmentRelation = forcedAttachmentRelation; - if (DEBUG) - System.out.println("forced rules attachment: " + NameUtils.getSafeLabel(graph, attachmentRelation)); - } - if (DEBUG) - System.out.println("decided attachment: " + NameUtils.getSafeLabel(graph, attachmentRelation)); - - // Get element bounds to decide allowed terminal direction(s) - IElement te = graph.syncRequest(DiagramRequests.getElement(canvas, diagram, terminalElement, null)); - ElementUtils.getElementBounds(te, bounds); - { - Shape shp = org.simantics.g2d.utils.GeometryUtils.transformShape(bounds, terminalElementTr); - bounds.setFrame(shp.getBounds2D()); - } - - // Expand bounds by 2mm to make the connections enter the terminals - // at a straight angle and from a distance instead of coming in - // "horizontally". - GeometryUtils.expandRectangle(bounds, 2); - minx = bounds.getMinX(); - miny = bounds.getMinY(); - maxx = bounds.getMaxX(); - maxy = bounds.getMaxY(); - - AffineTransform terminalPos = DiagramGraphUtil.getDynamicAffineTransform(graph, terminalElement, terminal); - //AffineTransform terminalPos2 = DiagramGraphUtil.getAffineTransform(graph, terminal); - if (terminalPos != null) { - if (DEBUG) { - System.out.println("terminalPos: " + terminalPos); - //System.out.println("terminalPos2: " + terminalPos2); - } - terminalElementTr.concatenate(terminalPos); - if (DEBUG) - System.out.println("terminalElementTr: " + terminalElementTr); - x = terminalElementTr.getTranslateX(); - y = terminalElementTr.getTranslateY(); - } - - Integer allowedDirections = graph.getPossibleRelatedValue(terminal, DIA.Terminal_AllowedDirections, Bindings.INTEGER); - if (allowedDirections != null) { - direction |= allowedDirections; - direction = RouteGraphUtils.rotateDirection(direction, terminalElementTr); - } else { - direction |= RouteGraphConnectionClass.shortestDirectionOutOfBounds(x, y, bounds); - } - //System.out.println("DIR(" + x + ", " + y + ", " + bounds + "): " + Integer.toHexString(direction)); - - backendConnections.add( - new BackendConnection( - toEdgeEnd(graph, attachmentRelation, EdgeEnd.Begin), - terminalElement, - terminal) - ); - - if (direction == 0) - // Accept any horizontal/vertical direction if nothing is defined - direction = 0xf; - - if (graph.getRelatedValue(connector, DIA.Connector_straight, Bindings.BOOLEAN)) - direction |= RouteTerminal.DIR_DIRECT; - // FIXME: routegraph crashes if this is done for all terminals regardless of the amount of terminals. - - if (DEBUG) - System.out.println("load line style: " + NameUtils.getSafeLabel(graph, attachmentRelation)); - ILineEndStyle endStyle = loadLineEndStyle(graph, attachmentRelation, connectionType, TAIL); - - RouteTerminal routeTerminal = rg.addTerminal(x, y, minx, miny, maxx, maxy, direction, endStyle); - routeTerminal.setData( RouteGraphConnection.serialize(graph, connector) ); - - nodeByData.put( connector, routeTerminal ); - - for (Resource connectedTo : graph.getObjects(connector, DIA.AreConnected)) { - links.add( new EdgeResource(connectedTo, connector) ); - } - } - - // Finish route graph loading by Linking route nodes together - for (EdgeResource link : links) { - RouteNode n1 = nodeByData.get(link.first()); - RouteNode n2 = nodeByData.get(link.second()); - if (n1 == null || n2 == null) { - System.err.println("Stray connection link found: " + link.toString(graph)); - continue; - } - rg.link(n1, n2); - } + Set backendConnections = new THashSet<>(); + RouteGraph rg = RouteGraphUtils.load(graph, diagramRuntime, connection, canvas, diagram, modelingRules, backendConnections); // Load connection line style. - ConnectionStyle style = readConnectionStyle(graph, modelingRules, connection); - StyledRouteGraphRenderer renderer = getRenderer(graph, style); + ConnectionStyle style = RouteGraphUtils.readConnectionStyle(graph, modelingRules, connection, STR); + StyledRouteGraphRenderer renderer = RouteGraphUtils.getRenderer(graph, style); // Finish element load element.setHint(RouteGraphConnectionClass.KEY_ROUTEGRAPH, rg); @@ -389,317 +112,30 @@ public class RouteGraphConnectionClassFactory extends SyncElementFactory { element.setHint(ElementHints.KEY_CONNECTION_ENTITY, new CE(diagram, connection, element, backendConnections)); // Setup graph writeback support for route graph modifications - final Session session = graph.getSession(); + Session session = graph.getSession(); element.setHint(RouteGraphConnectionClass.KEY_RG_LISTENER, new IRouteGraphListener() { @Override public void routeGraphChanged(RouteGraphChangeEvent event) { - scheduleSynchronize(session, connection, event); + RouteGraphUtils.scheduleSynchronize(session, connection, event); } }); } - protected EdgeEnd toEdgeEnd(ReadGraph graph, Resource attachmentRelation, EdgeEnd defaultValue) - throws DatabaseException { - if (graph.isSubrelationOf(attachmentRelation, DIA.HasTailConnector)) - return EdgeEnd.Begin; - if (graph.isSubrelationOf(attachmentRelation, DIA.HasHeadConnector)) - return EdgeEnd.End; - return defaultValue; - } - - /** - * @param graph - * @param canvas - * @param style - * @return - * @throws DatabaseException - */ - protected StyledRouteGraphRenderer getRenderer(ReadGraph graph, ConnectionStyle style) - throws DatabaseException { - return graph.syncRequest(new Renderer(style), - TransientCacheListener.instance()); - } - - /** - * A request for caching StyledRouteGraphRenderer results. - */ - public static class Renderer extends UnaryRead { - public Renderer(ConnectionStyle style) { - super(style); - } - @Override - public StyledRouteGraphRenderer perform(ReadGraph graph) throws DatabaseException { - return new StyledRouteGraphRenderer(parameter); - } - } - - /** - * @param graph - * @param canvas - * @param modelingRules - * @param connection - * @return - * @throws DatabaseException - */ - protected ConnectionStyle readConnectionStyle(ReadGraph graph, IModelingRules modelingRules, Resource connection) throws DatabaseException { - Resource connectionType = null; - if (modelingRules != null) - connectionType = modelingRules.getConnectionType(graph, connection); - if (connectionType == null) - connectionType = graph.getPossibleObject(connection, STR.HasConnectionType); - return readConnectionStyleFromConnectionType(graph, connectionType); - } - - protected ConnectionStyle readConnectionStyleFromConnectionType(ReadGraph graph, Resource connectionType) throws DatabaseException { - return graph.syncRequest(new ReadConnectionStyleFromConnectionType(connectionType), - TransientCacheListener.instance()); - } - - /** - * A request for caching ConnectionStyle results. - */ - public static class ReadConnectionStyleFromConnectionType extends UnaryRead { - public ReadConnectionStyleFromConnectionType(Resource connectionType) { - super(connectionType); - } - @Override - public ConnectionStyle perform(ReadGraph graph) throws DatabaseException { - return readConnectionStyleFromConnectionType0(graph, parameter); - } - } - - protected static ConnectionStyle readConnectionStyleFromConnectionType0(ReadGraph graph, Resource connectionType) throws DatabaseException { - ConnectionVisuals cv = null; - if (connectionType != null) - cv = graph.syncRequest(DiagramRequests.getConnectionVisuals(connectionType), - TransientCacheListener.instance()); - - // Fixed style settings - Color branchPointColor = Color.BLACK; - double branchPointRadius = 0.5; - double degenerateLineLength = 0.8; - - Color lineColor = cv != null ? cv.toColor() : null; - if (lineColor == null) - lineColor = Color.DARK_GRAY; - Stroke lineStroke = cv != null ? cv.stroke : null; - if (lineStroke == null) - lineStroke = new BasicStroke(0.1f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL, 10, null, 0); - Stroke routeLineStroke = GeometryUtils.scaleStrokeWidth(lineStroke, 2); - - return new BasicConnectionStyle( - lineColor, - branchPointColor, - branchPointRadius, - lineStroke, - routeLineStroke, - degenerateLineLength); - } - - /** - * @param graph - * @param connection - * @param connector - * @return connection relation statement from diagram connection connector - * to a node - * @throws DatabaseException - */ - public Statement findTerminalStatement(ReadGraph graph, Resource connection, Resource connector) - throws DatabaseException { - for (Statement stm : graph.getStatements(connector, STR.Connects)) { - if (connection.equals(stm.getObject())) - continue; - return stm; - } - return null; - } - - public static ILineEndStyle loadLineEndStyle(ReadGraph graph, Resource attachmentRelation, ILineEndStyle defaultValue) - throws DatabaseException { - ILineEndStyle style = graph.syncRequest(new LineEndStyle(attachmentRelation), - TransientCacheListener.instance()); - return style != null ? style : defaultValue; - } - - public static ILineEndStyle loadLineEndStyle(ReadGraph graph, Resource attachmentRelation, Resource connectionType, ILineEndStyle defaultValue) - throws DatabaseException { - if(connectionType != null) { - ILineEndStyle style = graph.syncRequest(new LineEndStyleWithType(attachmentRelation, connectionType), - TransientCacheListener.instance()); - return style != null ? style : defaultValue; - } else { - ILineEndStyle style = graph.syncRequest(new LineEndStyle(attachmentRelation), - TransientCacheListener.instance()); - return style != null ? style : defaultValue; - } - } - - /** - * A request for caching ILineEndStyle results. - */ - public static class LineEndStyle extends UnaryRead { - public LineEndStyle(Resource attachmentRelation) { - super(attachmentRelation); - } - @Override - public ILineEndStyle perform(ReadGraph graph) throws DatabaseException { - return loadLineEndStyle0(graph, parameter); - } - } - - public static class LineEndStyleWithType extends ResourceRead2 { - public LineEndStyleWithType(Resource attachmentRelation, Resource connectionType) { - super(attachmentRelation, connectionType); - } - @Override - public ILineEndStyle perform(ReadGraph graph) throws DatabaseException { - return loadLineEndStyle0(graph, resource, resource2); - } - } - - public static ILineEndStyle loadLineEndStyle0(ReadGraph graph, Resource attachmentRelation) - throws DatabaseException { - ILineEndStyle style = graph.getPossibleAdapter(attachmentRelation, ILineEndStyle.class); - if (style != null) - return style; - DiagramResource DIA = DiagramResource.getInstance(graph); - if (graph.isSubrelationOf(attachmentRelation, DIA.HasHeadConnector)) - return HEAD; - if (graph.isSubrelationOf(attachmentRelation, DIA.HasTailConnector)) - return TAIL; - return null; - } - - public static ILineEndStyle loadLineEndStyle0(ReadGraph graph, Resource attachmentRelation, Resource connectionType) - throws DatabaseException { - DiagramResource DIA = DiagramResource.getInstance(graph); - if (graph.isSubrelationOf(attachmentRelation, DIA.HasHeadConnector)) { - if(connectionType != null) { - G2DResource G2D = G2DResource.getInstance(graph); - Resource end = graph.getPossibleObject(connectionType, G2D.HasEndArrow); - if(end != null) { - - Double size = graph.getPossibleRelatedValue(end, G2D.HasSize, Bindings.DOUBLE); - if(size == null) size = 0.0; - Double widthRatio = graph.getPossibleRelatedValue(end, G2D.HasWidthRatio, Bindings.DOUBLE); - if(widthRatio == null) widthRatio = 1.0; - Double space = graph.getPossibleRelatedValue(end, G2D.HasSpace, Bindings.DOUBLE); - if(space == null) space = 0.0; - - Resource c = graph.getPossibleObject(end, G2D.HasColor); - Color color = null; - if (c != null) { - float[] col = graph.getPossibleValue(c, Bindings.FLOAT_ARRAY); - if (col != null && col.length >= 3) { - color = new Color(col[0], col[1], col[2]); - } - } - - return new ArrowLineEndStyle(size, widthRatio*size, space, color); - - } - } - } - return loadLineEndStyle0(graph, attachmentRelation); - } - - /** - * @param graph - * @param attachmentRelation - * @return - * @throws DatabaseException - */ - public Resource getInverseAttachment(ReadGraph graph, Resource attachmentRelation) - throws DatabaseException { - Resource inverse = graph.getPossibleObject(attachmentRelation, DIA.HasInverseAttachment); - if (inverse != null) - return inverse; - if (graph.isSubrelationOf(attachmentRelation, DIA.HasHeadConnector)) - return DIA.HasPlainConnector; - if (graph.isSubrelationOf(attachmentRelation, DIA.HasTailConnector)) - return DIA.HasArrowConnector; - return null; - } - -// private int directionSetToToDirectionMask(DirectionSet directions) { -// if (directions == DirectionSet.ANY) -// return 0xf; -// int mask = 0; -// for (Double d : directions) { -// mask |= compassAngleToToDirectionMask(d); -// } -// return mask; -// } -// -// private int compassAngleToToDirectionMask(double compassAngle) { -// Double d = DirectionSet.NESW.getClosestDirection(compassAngle); -// int id = (int) Math.round(d); -// // bits: -// // 0 right (1,0) -// // 1 down (0,1) -// // 2 left (-1,0) -// // 3 up (0,-1) -// switch (id) { -// case 0: return (1 << 3); -// case 90: return (1 << 2); -// case 180: return (1 << 1); -// case 270: return (1 << 0); -// } -// return 0xf; -// } - - public Resource resolveFlagAttachment(ReadGraph graph, Resource connection, Resource flag, IModelingRules modelingRules) throws DatabaseException { - Type type = resolveFlagType(graph, connection, flag, modelingRules); - if (type != null) { - switch (type) { - case In: return DIA.HasPlainConnector; - case Out: return DIA.HasArrowConnector; - } - } - return null; - } - - protected Type resolveFlagType(ReadGraph graph, Resource connection, Resource flag, IModelingRules modelingRules) throws DatabaseException { - return readFlagType(graph, flag); -// StructuralResource2 sr = StructuralResource2.getInstance(graph); -// Resource connectionType = graph.getPossibleObject(connection, sr.HasConnectionType); -// if (connectionType == null) -// return readFlagType(graph, flagElement, flag); -// IFlagTypeReader ftr = graph.getPossibleAdapter(connectionType, IFlagTypeReader.class); -// if (ftr == null) -// return readFlagType(graph, flagElement, flag); -// -// IFlagType ft = ftr.read(graph, flag, modelingRules); -// FlagInfo info = ft.getInfo(graph); -// return info.getType(); - } - - protected Type readFlagType(ReadGraph graph, Resource flag) throws DatabaseException { - Resource flagType = graph.getPossibleObject(flag, DIA.HasFlagType); - Type type = DiagramGraphUtil.toFlagType(DIA, flagType); - return type; - } - - public static void scheduleSynchronize(Session session, Resource connection, RouteGraphChangeEvent event) { - session.asyncRequest(RouteGraphConnection.synchronizer(connection, event)); - } - /** * Must have this in order for {@link TopologicalSelectionExpander} to work. * Otherwise this is pretty useless and should be deprecated altogether. * * @see ElementHints#KEY_CONNECTION_ENTITY */ - public static class CE implements ConnectionEntity { + private static class CE implements ConnectionEntity { /** - * Needed to gain access to DataElementMap. + * Needed to gain access to {@link DataElementMap}. */ final IDiagram diagram; - final DataElementMap dataMap; /** - * The connection instance resource in the graph backend. + * The connection instance resource in the graph database back-end. */ final Resource connection; @@ -716,13 +152,12 @@ public class RouteGraphConnectionClassFactory extends SyncElementFactory { /** * Cache. */ - Set terminalConnections; + transient Set terminalConnections; public CE(IDiagram diagram, Resource connection, IElement connectionElement, Set backendConnections) { if (connectionElement == null) throw new NullPointerException("null connection element"); this.diagram = diagram; - this.dataMap = diagram.getDiagramClass().getSingleItem(DataElementMap.class); this.connection = connection; this.connectionElement = connectionElement; this.backendConnections = backendConnections; @@ -806,42 +241,4 @@ public class RouteGraphConnectionClassFactory extends SyncElementFactory { } - public static class BackendConnection { - public final Resource node; - public final Resource terminal; - public final EdgeEnd end; - public BackendConnection(EdgeEnd end, Resource node, Resource terminal) { - assert end != null; - assert node != null; - assert terminal != null; - this.end = end; - this.node = node; - this.terminal = terminal; - } - @Override - public boolean equals(Object obj) { - if (this == obj) - return true; - if (!(obj instanceof Connection)) - return false; - Connection other = (Connection) obj; - return other.terminal == terminal - && other.node == node - && other.end == end; - } - @Override - public int hashCode() { - final int prime = 31; - int result = 1; - result = prime * result + end.hashCode(); - result = prime * result + ((node == null) ? 0 : node.hashCode()); - result = prime * result + ((terminal == null) ? 0 : terminal.hashCode()); - return result; - } - @Override - public String toString() { - return "BackendConnection[node=" + node + ", terminal=" + terminal + ", end=" + end + "]"; - } - } - } \ No newline at end of file diff --git a/bundles/org.simantics.diagram/src/org/simantics/diagram/adapter/RouteGraphUtils.java b/bundles/org.simantics.diagram/src/org/simantics/diagram/adapter/RouteGraphUtils.java index bba694a5e..a957377f8 100644 --- a/bundles/org.simantics.diagram/src/org/simantics/diagram/adapter/RouteGraphUtils.java +++ b/bundles/org.simantics.diagram/src/org/simantics/diagram/adapter/RouteGraphUtils.java @@ -1,5 +1,5 @@ /******************************************************************************* - * Copyright (c) 2012 Association for Decentralized Information Management + * Copyright (c) 2012, 2016 Association for Decentralized Information Management * in Industry THTH ry. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 @@ -8,13 +8,14 @@ * * Contributors: * VTT Technical Research Centre of Finland - initial API and implementation + * Semantum Oy - refactoring *******************************************************************************/ package org.simantics.diagram.adapter; -import gnu.trove.map.hash.THashMap; -import gnu.trove.set.hash.THashSet; - +import java.awt.BasicStroke; +import java.awt.Color; import java.awt.Shape; +import java.awt.Stroke; import java.awt.geom.AffineTransform; import java.awt.geom.Rectangle2D; import java.util.Collection; @@ -25,17 +26,22 @@ import java.util.Set; import org.simantics.databoard.Bindings; import org.simantics.db.ReadGraph; import org.simantics.db.Resource; +import org.simantics.db.Session; import org.simantics.db.Statement; import org.simantics.db.common.procedure.adapter.TransientCacheListener; +import org.simantics.db.common.request.ResourceRead2; import org.simantics.db.common.request.UnaryRead; import org.simantics.db.common.utils.NameUtils; import org.simantics.db.exception.DatabaseException; -import org.simantics.diagram.adapter.RouteGraphConnectionClassFactory.BackendConnection; +import org.simantics.diagram.connection.ConnectionVisuals; import org.simantics.diagram.connection.RouteGraph; import org.simantics.diagram.connection.RouteGraphConnectionClass; import org.simantics.diagram.connection.RouteLine; import org.simantics.diagram.connection.RouteNode; import org.simantics.diagram.connection.RouteTerminal; +import org.simantics.diagram.connection.rendering.BasicConnectionStyle; +import org.simantics.diagram.connection.rendering.ConnectionStyle; +import org.simantics.diagram.connection.rendering.StyledRouteGraphRenderer; import org.simantics.diagram.connection.rendering.arrows.ArrowLineEndStyle; import org.simantics.diagram.connection.rendering.arrows.ILineEndStyle; import org.simantics.diagram.connection.rendering.arrows.PlainLineEndStyle; @@ -43,17 +49,20 @@ import org.simantics.diagram.content.EdgeResource; import org.simantics.diagram.content.TerminalMap; import org.simantics.diagram.query.DiagramRequests; import org.simantics.diagram.stubs.DiagramResource; +import org.simantics.diagram.stubs.G2DResource; import org.simantics.diagram.synchronization.graph.DiagramGraphUtil; import org.simantics.diagram.synchronization.graph.RouteGraphConnection; import org.simantics.g2d.canvas.ICanvasContext; import org.simantics.g2d.canvas.impl.CanvasContext; import org.simantics.g2d.diagram.IDiagram; +import org.simantics.g2d.diagram.handler.Topology.Connection; import org.simantics.g2d.diagram.impl.ElementDiagram; import org.simantics.g2d.element.ElementUtils; import org.simantics.g2d.element.IElement; import org.simantics.g2d.element.handler.EdgeVisuals.EdgeEnd; import org.simantics.g2d.elementclass.FlagClass.Type; import org.simantics.layer0.Layer0; +import org.simantics.scenegraph.g2d.nodes.connection.RouteGraphChangeEvent; import org.simantics.scenegraph.utils.GeometryUtils; import org.simantics.structural.stubs.StructuralResource2; import org.simantics.structural2.modelingRules.CPTerminal; @@ -61,126 +70,33 @@ import org.simantics.structural2.modelingRules.IAttachmentRelationMap; import org.simantics.structural2.modelingRules.IModelingRules; import org.simantics.utils.threads.CurrentThread; +import gnu.trove.map.hash.THashMap; +import gnu.trove.set.hash.THashSet; + public class RouteGraphUtils { - - public static boolean DEBUG = false; - + + public static boolean DEBUG = false; + public static final ILineEndStyle HEAD = new ArrowLineEndStyle("fill 2 1 0"); public static final ILineEndStyle TAIL = PlainLineEndStyle.INSTANCE; - private static EdgeEnd toEdgeEnd(ReadGraph graph, Resource attachmentRelation, EdgeEnd defaultValue) - throws DatabaseException { - DiagramResource DIA = DiagramResource.getInstance(graph); - if (graph.isSubrelationOf(attachmentRelation, DIA.HasTailConnector)) - return EdgeEnd.Begin; - if (graph.isSubrelationOf(attachmentRelation, DIA.HasHeadConnector)) - return EdgeEnd.End; - return defaultValue; - } - - private static Resource resolveFlagAttachment(ReadGraph graph, Resource connection, Resource flag, IModelingRules modelingRules) throws DatabaseException { - DiagramResource DIA = DiagramResource.getInstance(graph); - Type type = resolveFlagType(graph, connection, flag, modelingRules); - if (type != null) { - switch (type) { - case In: return DIA.HasPlainConnector; - case Out: return DIA.HasArrowConnector; - } - } - return null; - } - - private static Type resolveFlagType(ReadGraph graph, Resource connection, Resource flag, IModelingRules modelingRules) throws DatabaseException { - return readFlagType(graph, flag); + public static RouteGraph load(ReadGraph graph, Resource diagramRuntime, Resource connection) throws DatabaseException { + ICanvasContext canvas = new CanvasContext(CurrentThread.getThreadAccess()); + IDiagram diagram = new ElementDiagram(canvas); + return load(graph, diagramRuntime, connection, canvas, diagram); } - private static Type readFlagType(ReadGraph graph, Resource flag) throws DatabaseException { - DiagramResource DIA = DiagramResource.getInstance(graph); - Resource flagType = graph.getPossibleObject(flag, DIA.HasFlagType); - Type type = DiagramGraphUtil.toFlagType(DIA, flagType); - return type; + public static RouteGraph load(ReadGraph graph, Resource diagramRuntime, Resource connection, ICanvasContext canvas, IDiagram diagram) throws DatabaseException { + Layer0 L0 = Layer0.getInstance(graph); + Resource diagramResource = graph.getPossibleObject(connection, L0.PartOf); + IModelingRules modelingRules = graph.syncRequest(DiagramRequests.getModelingRules(diagramResource, null), TransientCacheListener.instance()); + return load(graph, diagramRuntime, connection, canvas, diagram, modelingRules, null); } -// public static ILineEndStyle loadLineEndStyle(ReadGraph graph, Resource attachmentRelation, ILineEndStyle defaultValue) -// throws DatabaseException { -// ILineEndStyle style = graph.syncRequest(new LineEndStyle(attachmentRelation), -// TransientCacheListener.instance()); -// return style != null ? style : defaultValue; -// } + public static RouteGraph load(ReadGraph graph, Resource diagramRuntime, Resource connection, ICanvasContext canvas, IDiagram diagram, IModelingRules modelingRules, Set backendConnections) throws DatabaseException { - /** - * A request for caching ILineEndStyle results. - */ - public static class LineEndStyle extends UnaryRead { - public LineEndStyle(Resource attachmentRelation) { - super(attachmentRelation); - } - @Override - public ILineEndStyle perform(ReadGraph graph) throws DatabaseException { - return loadLineEndStyle0(graph, parameter); - } - } - - public static ILineEndStyle loadLineEndStyle0(ReadGraph graph, Resource attachmentRelation) - throws DatabaseException { - ILineEndStyle style = graph.getPossibleAdapter(attachmentRelation, ILineEndStyle.class); - if (style != null) - return style; DiagramResource DIA = DiagramResource.getInstance(graph); - if (graph.isSubrelationOf(attachmentRelation, DIA.HasHeadConnector)) - return HEAD; - if (graph.isSubrelationOf(attachmentRelation, DIA.HasTailConnector)) - return TAIL; - return null; - } - - private static Statement findTerminalStatement(ReadGraph graph, Resource connection, Resource connector) - throws DatabaseException { - - StructuralResource2 STR = StructuralResource2.getInstance(graph); - - for (Statement stm : graph.getStatements(connector, STR.Connects)) { - if (connection.equals(stm.getObject())) - continue; - return stm; - } - return null; - - } - - private static Resource getInverseAttachment(ReadGraph graph, Resource attachmentRelation) - throws DatabaseException { - DiagramResource DIA = DiagramResource.getInstance(graph); - Resource inverse = graph.getPossibleObject(attachmentRelation, DIA.HasInverseAttachment); - if (inverse != null) - return inverse; - if (graph.isSubrelationOf(attachmentRelation, DIA.HasHeadConnector)) - return DIA.HasPlainConnector; - if (graph.isSubrelationOf(attachmentRelation, DIA.HasTailConnector)) - return DIA.HasArrowConnector; - return null; - } - - public static RouteGraph load(ReadGraph graph, Resource diagramRuntime, Resource connection) throws DatabaseException { - - ICanvasContext canvas = new CanvasContext(CurrentThread.getThreadAccess()); - IDiagram diagram = new ElementDiagram(canvas); - return load(graph, diagramRuntime, connection, canvas, diagram); - - } - - public static RouteGraph load(ReadGraph graph, Resource diagramRuntime, Resource connection, ICanvasContext canvas, IDiagram diagram) throws DatabaseException { - - Layer0 L0 = Layer0.getInstance(graph); - DiagramResource DIA = DiagramResource.getInstance(graph); - StructuralResource2 STR = StructuralResource2.getInstance(graph); - - Resource diagramResource = graph.getPossibleObject(connection, L0.PartOf); - - IModelingRules modelingRules = graph.syncRequest(DiagramRequests.getModelingRules(diagramResource, null), TransientCacheListener.instance()); - -// IModelingRules modelingRules = diagram.getHint(DiagramModelHints.KEY_MODELING_RULES); -// Resource diagramRuntime = diagram.getHint(DiagramModelHints.KEY_DIAGRAM_RUNTIME_RESOURCE); + StructuralResource2 STR = StructuralResource2.getInstance(graph); RouteGraph rg = new RouteGraph(); @@ -232,7 +148,7 @@ public class RouteGraphUtils { for (Statement toConnector : toConnectorStatements) { Resource connector = toConnector.getObject(); - Statement terminalStm = findTerminalStatement(graph, connection, connector); + Statement terminalStm = findTerminalStatement(graph, connection, connector, STR); if (terminalStm == null) // Ignore broken connector: attached to the connection but not to any terminal. continue; @@ -255,7 +171,7 @@ public class RouteGraphUtils { System.out.println("modeling rules decided attachment: " + NameUtils.getSafeName(graph, attachment, true) + " for (" + NameUtils.toString(graph, toConnector, true) + ") & (" + NameUtils.toString(graph, terminalStm, true) + ")"); } else if (graph.isInstanceOf(terminalElement, DIA.Flag)) { // Secondary: believe flag type - attachment = resolveFlagAttachment(graph, connection, terminalElement, modelingRules); + attachment = resolveFlagAttachment(graph, connection, terminalElement, modelingRules, DIA); if (attachment != null) { if (connectorToModeledAttachment == null) connectorToModeledAttachment = new THashMap(toConnectorStatements.size()); @@ -272,16 +188,13 @@ public class RouteGraphUtils { Resource forcedAttachmentRelation = null; if (terminalCount == 2 && connectorToModeledAttachment.size() == 1) { - forcedAttachmentRelation = getInverseAttachment(graph, connectorToModeledAttachment.values().iterator().next()); + forcedAttachmentRelation = getInverseAttachment(graph, connectorToModeledAttachment.values().iterator().next(), DIA); if (DEBUG) System.out.println("set forced attachment: " + NameUtils.getSafeLabel(graph, forcedAttachmentRelation)); } Resource connectionType = graph.getPossibleObject(connection, STR.HasConnectionType); - // Needed to support ConnectionEntity#getTerminalConnections - Set backendConnections = new THashSet(toConnectorStatements.size(), 0.75f); - // Load all node terminal connections as RouteTerminals for (Statement toConnector : toConnectorStatements) { Resource connector = toConnector.getObject(); @@ -289,7 +202,7 @@ public class RouteGraphUtils { if (DEBUG) System.out.println("original attachment relation: " + NameUtils.getSafeLabel(graph, attachmentRelation)); - Statement terminalStm = findTerminalStatement(graph, connection, connector); + Statement terminalStm = findTerminalStatement(graph, connection, connector, STR); if (terminalStm == null) // Ignore broken connector: attached to the connection but not to any terminal. continue; @@ -326,9 +239,9 @@ public class RouteGraphUtils { System.out.println("terminal: " + graph.getURI(terminalStm.getPredicate())); } AffineTransform terminalElementTr = diagramRuntime != null ? - DiagramGraphUtil.getDynamicWorldTransform(graph, diagramRuntime, terminalElement) : - DiagramGraphUtil.getWorldTransform(graph, terminalElement); - + DiagramGraphUtil.getDynamicWorldTransform(graph, diagramRuntime, terminalElement) : + DiagramGraphUtil.getWorldTransform(graph, terminalElement); + if (DEBUG) System.out.println("terminalElementTr: " + terminalElementTr); @@ -352,7 +265,7 @@ public class RouteGraphUtils { if (DEBUG) System.out.println("decided attachment: " + NameUtils.getSafeLabel(graph, attachmentRelation)); -// // Get element bounds to decide allowed terminal direction(s) + // Get element bounds to decide allowed terminal direction(s) IElement te = graph.syncRequest(DiagramRequests.getElement(canvas, diagram, terminalElement, null)); ElementUtils.getElementBounds(te, bounds); { @@ -392,12 +305,14 @@ public class RouteGraphUtils { } //System.out.println("DIR(" + x + ", " + y + ", " + bounds + "): " + Integer.toHexString(direction)); - backendConnections.add( - new BackendConnection( - toEdgeEnd(graph, attachmentRelation, EdgeEnd.Begin), - terminalElement, - terminal) - ); + if (backendConnections != null) { + backendConnections.add( + new BackendConnection( + toEdgeEnd(graph, attachmentRelation, EdgeEnd.Begin, DIA), + terminalElement, + terminal) + ); + } if (direction == 0) // Accept any horizontal/vertical direction if nothing is defined @@ -409,7 +324,7 @@ public class RouteGraphUtils { if (DEBUG) System.out.println("load line style: " + NameUtils.getSafeLabel(graph, attachmentRelation)); - ILineEndStyle endStyle = RouteGraphConnectionClassFactory.loadLineEndStyle(graph, attachmentRelation, connectionType, RouteGraphConnectionClassFactory.TAIL); + ILineEndStyle endStyle = loadLineEndStyle(graph, attachmentRelation, connectionType, TAIL); RouteTerminal routeTerminal = rg.addTerminal(x, y, minx, miny, maxx, maxy, direction, endStyle); routeTerminal.setData( RouteGraphConnection.serialize(graph, connector) ); @@ -432,30 +347,241 @@ public class RouteGraphUtils { rg.link(n1, n2); } -// // Load connection line style. -// ConnectionStyle style = readConnectionStyle(graph, canvas, modelingRules, connection); -// StyledRouteGraphRenderer renderer = getRenderer(graph, canvas, style); -// -// // Finish element load -// element.setHint(RouteGraphConnectionClass.KEY_ROUTEGRAPH, rg); -// element.setHint(RouteGraphConnectionClass.KEY_RENDERER, renderer); -// element.setHint(RouteGraphConnectionClass.KEY_PICK_TOLERANCE, 0.5); -// -// // Initialize ConnectionEntity in element -// element.setHint(ElementHints.KEY_CONNECTION_ENTITY, new CE(diagram, connection, element, backendConnections)); -// -// // Setup graph writeback support for route graph modifications -// final Session session = graph.getSession(); -// element.setHint(RouteGraphConnectionClass.KEY_RG_LISTENER, new IRouteGraphListener() { -// @Override -// public void routeGraphChanged(RouteGraphChangeEvent event) { -// scheduleSynchronize(session, connection, event); -// } -// }); - return rg; - } + } + + private static EdgeEnd toEdgeEnd(ReadGraph graph, Resource attachmentRelation, EdgeEnd defaultValue, DiagramResource DIA) + throws DatabaseException { + if (graph.isSubrelationOf(attachmentRelation, DIA.HasTailConnector)) + return EdgeEnd.Begin; + if (graph.isSubrelationOf(attachmentRelation, DIA.HasHeadConnector)) + return EdgeEnd.End; + return defaultValue; + } + + private static Resource resolveFlagAttachment(ReadGraph graph, Resource connection, Resource flag, IModelingRules modelingRules, DiagramResource DIA) throws DatabaseException { + Type type = resolveFlagType(graph, connection, flag, modelingRules, DIA); + if (type != null) { + switch (type) { + case In: return DIA.HasPlainConnector; + case Out: return DIA.HasArrowConnector; + } + } + return null; + } + + private static Type resolveFlagType(ReadGraph graph, Resource connection, Resource flag, IModelingRules modelingRules, DiagramResource DIA) throws DatabaseException { + return readFlagType(graph, flag, DIA); + } + + private static Type readFlagType(ReadGraph graph, Resource flag, DiagramResource DIA) throws DatabaseException { + Resource flagType = graph.getPossibleObject(flag, DIA.HasFlagType); + Type type = DiagramGraphUtil.toFlagType(DIA, flagType); + return type; + } + + private static Statement findTerminalStatement(ReadGraph graph, Resource connection, Resource connector, StructuralResource2 STR) + throws DatabaseException { + for (Statement stm : graph.getStatements(connector, STR.Connects)) { + if (connection.equals(stm.getObject())) + continue; + return stm; + } + return null; + } + + private static Resource getInverseAttachment(ReadGraph graph, Resource attachmentRelation, DiagramResource DIA) + throws DatabaseException { + Resource inverse = graph.getPossibleObject(attachmentRelation, DIA.HasInverseAttachment); + if (inverse != null) + return inverse; + if (graph.isSubrelationOf(attachmentRelation, DIA.HasHeadConnector)) + return DIA.HasPlainConnector; + if (graph.isSubrelationOf(attachmentRelation, DIA.HasTailConnector)) + return DIA.HasArrowConnector; + return null; + } + + public static ILineEndStyle loadLineEndStyle(ReadGraph graph, Resource attachmentRelation, ILineEndStyle defaultValue) + throws DatabaseException { + ILineEndStyle style = graph.syncRequest(new LineEndStyle(attachmentRelation), + TransientCacheListener.instance()); + return style != null ? style : defaultValue; + } + + public static ILineEndStyle loadLineEndStyle(ReadGraph graph, Resource attachmentRelation, Resource connectionType, ILineEndStyle defaultValue) + throws DatabaseException { + if(connectionType != null) { + ILineEndStyle style = graph.syncRequest(new LineEndStyleWithType(attachmentRelation, connectionType), + TransientCacheListener.instance()); + return style != null ? style : defaultValue; + } else { + ILineEndStyle style = graph.syncRequest(new LineEndStyle(attachmentRelation), + TransientCacheListener.instance()); + return style != null ? style : defaultValue; + } + } + + /** + * A request for caching ILineEndStyle results. + */ + public static class LineEndStyle extends UnaryRead { + public LineEndStyle(Resource attachmentRelation) { + super(attachmentRelation); + } + @Override + public ILineEndStyle perform(ReadGraph graph) throws DatabaseException { + return loadLineEndStyle0(graph, parameter); + } + } + + public static class LineEndStyleWithType extends ResourceRead2 { + public LineEndStyleWithType(Resource attachmentRelation, Resource connectionType) { + super(attachmentRelation, connectionType); + } + @Override + public ILineEndStyle perform(ReadGraph graph) throws DatabaseException { + return loadLineEndStyle0(graph, resource, resource2); + } + } + + private static ILineEndStyle loadLineEndStyle0(ReadGraph graph, Resource attachmentRelation) + throws DatabaseException { + ILineEndStyle style = graph.getPossibleAdapter(attachmentRelation, ILineEndStyle.class); + if (style != null) + return style; + DiagramResource DIA = DiagramResource.getInstance(graph); + if (graph.isSubrelationOf(attachmentRelation, DIA.HasHeadConnector)) + return HEAD; + if (graph.isSubrelationOf(attachmentRelation, DIA.HasTailConnector)) + return TAIL; + return null; + } + + private static ILineEndStyle loadLineEndStyle0(ReadGraph graph, Resource attachmentRelation, Resource connectionType) + throws DatabaseException { + DiagramResource DIA = DiagramResource.getInstance(graph); + if (graph.isSubrelationOf(attachmentRelation, DIA.HasHeadConnector)) { + if(connectionType != null) { + G2DResource G2D = G2DResource.getInstance(graph); + Resource end = graph.getPossibleObject(connectionType, G2D.HasEndArrow); + if(end != null) { + Double size = graph.getPossibleRelatedValue(end, G2D.HasSize, Bindings.DOUBLE); + if(size == null) size = 0.0; + Double widthRatio = graph.getPossibleRelatedValue(end, G2D.HasWidthRatio, Bindings.DOUBLE); + if(widthRatio == null) widthRatio = 1.0; + Double space = graph.getPossibleRelatedValue(end, G2D.HasSpace, Bindings.DOUBLE); + if(space == null) space = 0.0; + + Resource c = graph.getPossibleObject(end, G2D.HasColor); + Color color = null; + if (c != null) { + float[] col = graph.getPossibleValue(c, Bindings.FLOAT_ARRAY); + if (col != null && col.length >= 3) { + color = new Color(col[0], col[1], col[2]); + } + } + + return new ArrowLineEndStyle(size, widthRatio*size, space, color); + } + } + } + return loadLineEndStyle0(graph, attachmentRelation); + } + + /** + * @param graph + * @param canvas + * @param style + * @return + * @throws DatabaseException + */ + protected static StyledRouteGraphRenderer getRenderer(ReadGraph graph, ConnectionStyle style) + throws DatabaseException { + return graph.syncRequest(new Renderer(style), + TransientCacheListener.instance()); + } + + /** + * A request for caching StyledRouteGraphRenderer results. + */ + public static class Renderer extends UnaryRead { + public Renderer(ConnectionStyle style) { + super(style); + } + @Override + public StyledRouteGraphRenderer perform(ReadGraph graph) throws DatabaseException { + return new StyledRouteGraphRenderer(parameter); + } + } + + /** + * @param graph + * @param canvas + * @param modelingRules + * @param connection + * @return + * @throws DatabaseException + */ + protected static ConnectionStyle readConnectionStyle(ReadGraph graph, IModelingRules modelingRules, Resource connection, StructuralResource2 STR) throws DatabaseException { + Resource connectionType = null; + if (modelingRules != null) + connectionType = modelingRules.getConnectionType(graph, connection); + if (connectionType == null) + connectionType = graph.getPossibleObject(connection, STR.HasConnectionType); + return readConnectionStyleFromConnectionType(graph, connectionType); + } + + protected static ConnectionStyle readConnectionStyleFromConnectionType(ReadGraph graph, Resource connectionType) throws DatabaseException { + return graph.syncRequest(new ReadConnectionStyleFromConnectionType(connectionType), + TransientCacheListener.instance()); + } + + /** + * A request for caching ConnectionStyle results. + */ + public static class ReadConnectionStyleFromConnectionType extends UnaryRead { + public ReadConnectionStyleFromConnectionType(Resource connectionType) { + super(connectionType); + } + @Override + public ConnectionStyle perform(ReadGraph graph) throws DatabaseException { + return readConnectionStyleFromConnectionType0(graph, parameter); + } + } + + protected static ConnectionStyle readConnectionStyleFromConnectionType0(ReadGraph graph, Resource connectionType) throws DatabaseException { + ConnectionVisuals cv = null; + if (connectionType != null) + cv = graph.syncRequest(DiagramRequests.getConnectionVisuals(connectionType), + TransientCacheListener.instance()); + + // Fixed style settings + Color branchPointColor = Color.BLACK; + double branchPointRadius = 0.5; + double degenerateLineLength = 0.8; + + Color lineColor = cv != null ? cv.toColor() : null; + if (lineColor == null) + lineColor = Color.DARK_GRAY; + Stroke lineStroke = cv != null ? cv.stroke : null; + if (lineStroke == null) + lineStroke = new BasicStroke(0.1f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL, 10, null, 0); + Stroke routeLineStroke = GeometryUtils.scaleStrokeWidth(lineStroke, 2); + + return new BasicConnectionStyle( + lineColor, + branchPointColor, + branchPointRadius, + lineStroke, + routeLineStroke, + degenerateLineLength); + } + + public static void scheduleSynchronize(Session session, Resource connection, RouteGraphChangeEvent event) { + session.asyncRequest(RouteGraphConnection.synchronizer(connection, event)); + } // ------------------------------------------------------------------------ // RouteGraph RouteTerminal allowed direction rotation support @@ -531,4 +657,47 @@ public class RouteGraphUtils { private static final double DEG_45 = Math.PI/4.; private static final double DEG_135 = Math.PI*3./4.; + static class BackendConnection { + public final Resource node; + public final Resource terminal; + public final EdgeEnd end; + public final int hash; + public BackendConnection(EdgeEnd end, Resource node, Resource terminal) { + assert end != null; + assert node != null; + assert terminal != null; + this.end = end; + this.node = node; + this.terminal = terminal; + this.hash = makeHash(); + } + @Override + public boolean equals(Object obj) { + if (this == obj) + return true; + if (!(obj instanceof Connection)) + return false; + Connection other = (Connection) obj; + return other.terminal == terminal + && other.node == node + && other.end == end; + } + private int makeHash() { + final int prime = 31; + int result = 1; + result = prime * result + end.hashCode(); + result = prime * result + ((node == null) ? 0 : node.hashCode()); + result = prime * result + ((terminal == null) ? 0 : terminal.hashCode()); + return result; + } + @Override + public int hashCode() { + return hash; + } + @Override + public String toString() { + return "BackendConnection[node=" + node + ", terminal=" + terminal + ", end=" + end + "]"; + } + } + }