gerrit.simantics Code Review - simantics/sysdyn.git/blob

   1 /*******************************************************************************\r
   2  * Copyright (c) 2010, 2012 Association for Decentralized Information Management in\r
   3  * Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.sysdyn.ui.elements.connections;\r
  13 \r
  14 import java.awt.BasicStroke;\r
  15 import java.awt.Color;\r
  16 import java.awt.Font;\r
  17 import java.awt.Shape;\r
  18 import java.awt.Stroke;\r
  19 import java.awt.geom.Path2D;\r
  20 import java.awt.geom.Rectangle2D;\r
  21 import java.beans.PropertyChangeEvent;\r
  22 import java.beans.PropertyChangeListener;\r
  23 import java.util.HashMap;\r
  24 import java.util.Map;\r
  25 \r
  26 import org.simantics.db.Resource;\r
  27 import org.simantics.g2d.diagram.DiagramHints;\r
  28 import org.simantics.g2d.diagram.DiagramMutator;\r
  29 import org.simantics.g2d.diagram.DiagramUtils;\r
  30 import org.simantics.g2d.diagram.IDiagram;\r
  31 import org.simantics.g2d.diagram.handler.PickRequest.PickPolicy;\r
  32 import org.simantics.g2d.diagram.handler.Topology;\r
  33 import org.simantics.g2d.diagram.handler.Topology.Connection;\r
  34 import org.simantics.g2d.element.ElementClass;\r
  35 import org.simantics.g2d.element.ElementHints;\r
  36 import org.simantics.g2d.element.ElementUtils;\r
  37 import org.simantics.g2d.element.IElement;\r
  38 import org.simantics.g2d.element.SceneGraphNodeKey;\r
  39 import org.simantics.g2d.element.handler.EdgeVisuals;\r
  40 import org.simantics.g2d.element.handler.EdgeVisuals.EdgeEnd;\r
  41 import org.simantics.g2d.element.handler.Pick;\r
  42 import org.simantics.g2d.element.handler.SceneGraph;\r
  43 import org.simantics.g2d.element.handler.TerminalLayout;\r
  44 import org.simantics.g2d.element.handler.Transform;\r
  45 import org.simantics.g2d.element.handler.impl.ConfigurableEdgeVisuals;\r
  46 import org.simantics.g2d.element.handler.impl.ConnectionSelectionOutline;\r
  47 import org.simantics.g2d.element.handler.impl.FillColorImpl;\r
  48 import org.simantics.g2d.element.handler.impl.ParentImpl;\r
  49 import org.simantics.g2d.element.handler.impl.SimpleElementLayers;\r
  50 import org.simantics.g2d.element.handler.impl.TextColorImpl;\r
  51 import org.simantics.g2d.element.handler.impl.TextFontImpl;\r
  52 import org.simantics.g2d.element.handler.impl.TextImpl;\r
  53 import org.simantics.g2d.elementclass.connection.EdgeClass.EdgeHandler;\r
  54 import org.simantics.g2d.elementclass.connection.EdgeClass.FixedTransform;\r
  55 import org.simantics.g2d.utils.Alignment;\r
  56 import org.simantics.scenegraph.g2d.G2DParentNode;\r
  57 import org.simantics.scenegraph.utils.NodeUtil;\r
  58 import org.simantics.sysdyn.ui.editor.routing.DependencyRouter;\r
  59 import org.simantics.utils.datastructures.Callback;\r
  60 import org.simantics.utils.datastructures.Pair;\r
  61 import org.simantics.utils.datastructures.hints.IHintContext.Key;\r
  62 \r
  63 public class DependencyEdgeClass {\r
  64 \r
  65         private static class NodePick implements Pick {\r
  66 \r
  67             private static final long serialVersionUID = 1L;\r
  68             \r
  69             public static NodePick INSTANCE = new NodePick();\r
  70 \r
  71             @Override\r
  72             public boolean pickTest(IElement e, Shape s, PickPolicy policy) {\r
  73                 Rectangle2D pickRect = null;\r
  74                 if (s instanceof Rectangle2D)\r
  75                     pickRect = (Rectangle2D) s;\r
  76                 else\r
  77                     // FIXME: suboptimal, but works.\r
  78                     pickRect = s.getBounds2D();\r
  79 \r
  80             DependencyNode node = e.getHint(SysdynEdgeSceneGraph.KEY_SG_NODE);\r
  81             if(node == null) {\r
  82                 return false;\r
  83             }\r
  84             return Arcs.hitTest(node.getBeginBounds(), node.getEndBounds(), node.getAngle(), pickRect.getCenterX(), pickRect.getCenterY(), 1.7);\r
  85             \r
  86             }\r
  87 \r
  88         }\r
  89         \r
  90     public static final ElementClass CLASS =\r
  91         ElementClass.compile(\r
  92                 SysdynEdgeSceneGraph.INSTANCE,\r
  93                 EdgeHandler.INSTANCE,\r
  94                 ConfigurableEdgeVisuals.DEFAULT,\r
  95                 FillColorImpl.BLACK,\r
  96                 FixedTransform.INSTANCE,\r
  97                 TextImpl.INSTANCE,\r
  98                 TextColorImpl.BLACK,\r
  99                 TextFontImpl.DEFAULT,\r
 100                 NodePick.INSTANCE,\r
 101                 ConnectionSelectionOutline.INSTANCE,\r
 102                 SimpleElementLayers.INSTANCE,\r
 103                 ParentImpl.INSTANCE\r
 104         ).setId("EdgeClass.STRAIGHT");\r
 105 \r
 106     public static class SysdynEdgeSceneGraph implements SceneGraph {\r
 107 \r
 108         private static final long serialVersionUID = 2914383071126238996L;\r
 109 \r
 110         public static final SysdynEdgeSceneGraph INSTANCE = new SysdynEdgeSceneGraph();\r
 111 \r
 112         public static final Stroke ARROW_STROKE = new BasicStroke(1.0f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER);\r
 113 \r
 114         public static final Key KEY_SG_NODE = new SceneGraphNodeKey(DependencyNode.class, "EDGE_NODE");\r
 115         \r
 116         @Override\r
 117         public void init(IElement e, G2DParentNode parent) {\r
 118             DependencyNode node = ElementUtils.getOrCreateNode(e, parent, KEY_SG_NODE, "edge_" + e.hashCode(), DependencyNode.class);\r
 119             \r
 120             Font font = ElementUtils.getTextFont(e);\r
 121             Color color = ElementUtils.getTextColor(e);\r
 122             \r
 123             HashMap<String, Object> properties = e.getHint(DiagramHints.PROPERTIES);\r
 124             Pair<?, ?> polarityPair =  (Pair<?, ?>)properties.get("polarity");\r
 125             Pair<?, ?> polarityLocationPair =  (Pair<?, ?>)properties.get("polarityLocation");\r
 126             \r
 127             String location;\r
 128             if(polarityLocationPair == null)\r
 129                 location = DependencyNode.INSIDE;\r
 130             else\r
 131                 location = (String) polarityLocationPair.second;\r
 132             \r
 133             String text = polarityPair != null ? (String)  polarityPair.second : "";\r
 134             node.init(text, location, font, color, 0, 0, 0.235);\r
 135             \r
 136             update(e);\r
 137         }\r
 138 \r
 139         @Override\r
 140         public void cleanup(IElement e) {\r
 141             ElementUtils.removePossibleNode(e, KEY_SG_NODE);\r
 142         }\r
 143         \r
 144         public void update(final IElement e) {\r
 145                 \r
 146             DependencyNode node = e.getHint(KEY_SG_NODE);\r
 147             if(node == null) return;\r
 148             final IDiagram diagram = ElementUtils.peekDiagram(e);\r
 149             \r
 150             node.setFieldListener(new PropertyChangeListener() {\r
 151 \r
 152                 @Override\r
 153                 public void propertyChange(final PropertyChangeEvent event) {\r
 154                         \r
 155                                         String field = event.getPropertyName();\r
 156                             Map<String, Pair<Resource, Object>> properties = e.getHint(DiagramHints.PROPERTIES);\r
 157                             if(properties == null) return;\r
 158                             final Pair<Resource, Object> property = properties.get(field);\r
 159                             if(property == null) return;\r
 160 \r
 161                         DiagramUtils.mutateDiagram(diagram, new Callback<DiagramMutator>() {\r
 162                                                 \r
 163                                                 @Override\r
 164                                                 public void run(DiagramMutator mutator) {\r
 165                                                         mutator.modifyProperty(e, property.first, event.getNewValue());\r
 166                                                 }\r
 167                                                 \r
 168                                         });\r
 169                         \r
 170                 }\r
 171                 \r
 172                         });\r
 173 \r
 174 \r
 175 \r
 176             Shape beginTerminalShape = null;\r
 177             Shape endTerminalShape = null;\r
 178             if (diagram != null) {\r
 179                 Topology topology = diagram.getDiagramClass().getAtMostOneItemOfClass(Topology.class);\r
 180                 if (topology != null) {\r
 181                     Connection beginConnection = topology.getConnection(e, EdgeEnd.Begin);\r
 182                     Connection endConnection = topology.getConnection(e, EdgeEnd.End);\r
 183                     beginTerminalShape = getCanvasTerminalShape(beginConnection);\r
 184                     endTerminalShape = getCanvasTerminalShape(endConnection);\r
 185                 }\r
 186             }\r
 187             \r
 188             if(beginTerminalShape == null || endTerminalShape == null) return;\r
 189             \r
 190             EdgeVisuals vh = e.getElementClass().getSingleItem(EdgeVisuals.class);\r
 191             Stroke stroke = vh.getStroke(e);\r
 192             Font font = ElementUtils.getTextFont(e);\r
 193             Color color = ElementUtils.getTextColor(e);\r
 194 //            Color fillColor = ElementUtils.getFillColor(e);\r
 195             Color borderColor = ElementUtils.getBorderColor(e, Color.BLACK);\r
 196 //            String text = ElementUtils.getText(e);\r
 197             Alignment hAlign = ElementUtils.getHintOrDefault(e, ElementHints.KEY_HORIZONTAL_ALIGN, Alignment.CENTER);\r
 198             node.setBackgroundColor(null);\r
 199             node.setBorderColor(borderColor);\r
 200             node.setHorizontalAlignment((byte) hAlign.ordinal());\r
 201             node.setPadding(0, 0);\r
 202             node.setBorderWidth((float) 0);\r
 203             node.setEditable(false);\r
 204             node.setFont(font);\r
 205             \r
 206             node.setBeginBounds(beginTerminalShape.getBounds2D());\r
 207             node.setEndBounds(endTerminalShape.getBounds2D());\r
 208             node.setStroke(stroke);\r
 209             node.setColor(color);\r
 210             node.setShapes(DependencyRouter.createArrowShape(node.getShapes(), node.getBeginBounds(), node.getEndBounds(), node.getAngle()));\r
 211 \r
 212             Map<String, Pair<Resource, Object>> properties = e.getHint(DiagramHints.PROPERTIES);\r
 213             if(properties != null) {\r
 214                         for(Map.Entry<String, Pair<Resource, Object>> entry : properties.entrySet()) {\r
 215                                 NodeUtil.setPropertyIfSupported(entry.getKey(), entry.getValue().second, node);                         \r
 216 //                              node.setProperty(entry.getKey(), entry.getValue().second);\r
 217 //                              System.out.println("setProperty " + entry.getKey() + " => " + entry.getValue().second);\r
 218                         }\r
 219             }\r
 220             EdgeHandler eh = e.getElementClass().getAtMostOneItemOfClass(EdgeHandler.class);\r
 221             Path2D path = eh.getPath(e);\r
 222             if(path == null)\r
 223                 path = new Path2D.Double();\r
 224             else\r
 225                 path.reset();\r
 226             path.append(node.getShapes().first, false);\r
 227             eh.setPath(e, path);\r
 228 \r
 229         }\r
 230 \r
 231         private static Shape getCanvasTerminalShape(Connection connection) {\r
 232             if (connection != null && connection.node != null && connection.terminal != null) {\r
 233                 TerminalLayout layout = connection.node.getElementClass().getAtMostOneItemOfClass(TerminalLayout.class);\r
 234                 if (layout != null) {\r
 235                     //return layout.getTerminalShape(connection.node, connection.terminal);\r
 236                     Shape shp = layout.getTerminalShape(connection.node, connection.terminal);\r
 237                     Transform tr = connection.node.getElementClass().getAtMostOneItemOfClass(Transform.class);\r
 238                     if (tr == null)\r
 239                         return shp;\r
 240 \r
 241                     return tr.getTransform(connection.node).createTransformedShape(shp);\r
 242                     \r
 243                 }\r
 244             }\r
 245             return null;\r
 246         }\r
 247 \r
 248     }\r
 249   \r
 250 }\r