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

   1 /*******************************************************************************\r
   2  * Copyright (c) 2010 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.editor.participant;\r
  13 \r
  14 import java.awt.geom.AffineTransform;\r
  15 import java.awt.geom.Point2D;\r
  16 import java.util.Set;\r
  17 \r
  18 import org.simantics.db.Resource;\r
  19 import org.simantics.db.common.request.Queries;\r
  20 import org.simantics.db.exception.DatabaseException;\r
  21 import org.simantics.diagram.adapter.GraphToDiagramSynchronizer;\r
  22 import org.simantics.diagram.elements.TextNode;\r
  23 import org.simantics.diagram.query.DiagramRequests;\r
  24 import org.simantics.g2d.canvas.SGDesignation;\r
  25 import org.simantics.g2d.canvas.impl.DependencyReflection.Dependency;\r
  26 import org.simantics.g2d.canvas.impl.SGNodeReflection.SGInit;\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.participant.AbstractDiagramParticipant;\r
  32 import org.simantics.g2d.diagram.participant.ElementPainter;\r
  33 import org.simantics.g2d.diagram.participant.Selection;\r
  34 import org.simantics.g2d.element.ElementClass;\r
  35 import org.simantics.g2d.element.ElementUtils;\r
  36 import org.simantics.g2d.element.IElement;\r
  37 import org.simantics.g2d.participant.MouseUtil;\r
  38 import org.simantics.g2d.participant.MouseUtil.MouseInfo;\r
  39 import org.simantics.scenegraph.g2d.G2DParentNode;\r
  40 import org.simantics.scenegraph.g2d.events.EventHandlerReflection.EventHandler;\r
  41 import org.simantics.scenegraph.g2d.events.KeyEvent;\r
  42 import org.simantics.scenegraph.g2d.events.KeyEvent.KeyPressedEvent;\r
  43 import org.simantics.scenegraph.g2d.events.KeyEvent.KeyReleasedEvent;\r
  44 import org.simantics.scenegraph.g2d.events.MouseEvent;\r
  45 import org.simantics.scenegraph.g2d.events.MouseEvent.MouseMovedEvent;\r
  46 import org.simantics.scenegraph.g2d.nodes.ShapeNode;\r
  47 import org.simantics.sysdyn.SysdynResource;\r
  48 import org.simantics.sysdyn.ui.elements.AuxiliaryFactory;\r
  49 import org.simantics.sysdyn.ui.elements.CloudFactory;\r
  50 import org.simantics.sysdyn.ui.elements.InputFactory;\r
  51 import org.simantics.sysdyn.ui.elements.LoopFactory;\r
  52 import org.simantics.sysdyn.ui.elements.ShadowFactory;\r
  53 import org.simantics.sysdyn.ui.elements.StockFactory;\r
  54 import org.simantics.sysdyn.ui.elements.ValveFactory;\r
  55 import org.simantics.ui.SimanticsUI;\r
  56 import org.simantics.utils.datastructures.Callback;\r
  57 import org.simantics.utils.ui.ExceptionUtils;\r
  58 \r
  59 public class CreateVariablesShortcutParticipant extends AbstractDiagramParticipant {\r
  60 \r
  61         private GraphToDiagramSynchronizer synchronizer;\r
  62 \r
  63         private VariableInformation variableInformation;\r
  64 \r
  65         @Dependency\r
  66         MouseUtil mouseUtil;\r
  67 \r
  68         @Dependency\r
  69         Selection selection;\r
  70 \r
  71         @Dependency\r
  72         ElementPainter diagramPainter;\r
  73 \r
  74         ShapeNode node;\r
  75         G2DParentNode parent;\r
  76 \r
  77         private boolean createVar;\r
  78         private IDiagram createVarDiagram;\r
  79 \r
  80         @SGInit(designation = SGDesignation.CANVAS)\r
  81         public void init(G2DParentNode parent) {\r
  82                 this.parent = parent;\r
  83         }\r
  84 \r
  85         public void removeSG() {\r
  86                 node.remove();\r
  87                 node = null;\r
  88                 setDirty();\r
  89         }\r
  90 \r
  91         void updateSG() {\r
  92 \r
  93                 if (node == null) {\r
  94                         node = variableInformation.node;\r
  95                 }\r
  96 \r
  97                 MouseInfo mi = mouseUtil.getMouseInfo(0);\r
  98                 if (mi == null)\r
  99                         return;\r
 100 \r
 101                 Point2D newPos = mi.canvasPosition;\r
 102                 double x = newPos.getX();\r
 103                 double y = newPos.getY();\r
 104 \r
 105                 AffineTransform origAt = node.getTransform();\r
 106                 double oldX = origAt.getTranslateX();\r
 107                 double oldY = origAt.getTranslateY();\r
 108                 AffineTransform move = new AffineTransform();\r
 109                 move.setToTranslation(x - oldX, y - oldY);\r
 110                 AffineTransform at2 = new AffineTransform(origAt);\r
 111                 at2.preConcatenate(move);\r
 112                 node.setTransform(at2);\r
 113                 setDirty();\r
 114         }\r
 115 \r
 116         public CreateVariablesShortcutParticipant(GraphToDiagramSynchronizer synchronizer) {\r
 117                 this.synchronizer = synchronizer;\r
 118         }\r
 119 \r
 120         @EventHandler(priority = -10)\r
 121         public boolean handleKeyboardEvent(KeyEvent ke) {\r
 122 \r
 123                 KeyPressedEvent kpe;\r
 124                 if (ke instanceof KeyPressedEvent) {\r
 125                         \r
 126                         kpe = (KeyPressedEvent) ke;\r
 127                         \r
 128                         if (!kpe.isShiftDown() || isEditing()) \r
 129                                 return false;\r
 130                         \r
 131                         if (kpe.keyCode == java.awt.event.KeyEvent.VK_A) {\r
 132                                 variableInformation = new VariableInformation(\r
 133                                 java.awt.event.KeyEvent.VK_A,\r
 134                                 SysdynResource.URIs.AuxiliarySymbol,\r
 135                                 (ShapeNode)AuxiliaryFactory.AUX_STATIC_IMAGE.init(parent)\r
 136                                 );\r
 137                         } else if (kpe.keyCode == java.awt.event.KeyEvent.VK_S) {\r
 138                                 variableInformation = new VariableInformation(\r
 139                                                 java.awt.event.KeyEvent.VK_S,\r
 140                                                 SysdynResource.URIs.StockSymbol,\r
 141                                                 (ShapeNode)StockFactory.STOCK_IMAGE.init(parent)\r
 142                                                 );\r
 143                         } else if (kpe.keyCode == java.awt.event.KeyEvent.VK_C) {\r
 144                                 variableInformation = new VariableInformation(\r
 145                                                 java.awt.event.KeyEvent.VK_C,\r
 146                                                 SysdynResource.URIs.CloudSymbol,\r
 147                                                 (ShapeNode)CloudFactory.CLOUD_IMAGE.init(parent)\r
 148                                                 );\r
 149                         } else if (kpe.keyCode == java.awt.event.KeyEvent.VK_V) {\r
 150                                 variableInformation = new VariableInformation(\r
 151                                                 java.awt.event.KeyEvent.VK_V,\r
 152                                                 SysdynResource.URIs.ValveSymbol,\r
 153                                                 (ShapeNode)ValveFactory.VALVE_STATIC_IMAGE.init(parent)\r
 154                                                 );\r
 155                         } else if (kpe.keyCode == java.awt.event.KeyEvent.VK_I) {\r
 156                                 variableInformation = new VariableInformation(\r
 157                                                 java.awt.event.KeyEvent.VK_I,\r
 158                                                 SysdynResource.URIs.InputSymbol,\r
 159                                                 (ShapeNode)InputFactory.INPUT_IMAGE.init(parent)\r
 160                                                 );\r
 161                         } else if (kpe.keyCode == java.awt.event.KeyEvent.VK_G) {\r
 162                 variableInformation = new VariableInformation(\r
 163                         java.awt.event.KeyEvent.VK_G,\r
 164                         SysdynResource.URIs.ShadowSymbol,\r
 165                         (ShapeNode)ShadowFactory.GHOST_IMAGE.init(parent)\r
 166                         );\r
 167                         } else if (kpe.keyCode == java.awt.event.KeyEvent.VK_L) {\r
 168                 variableInformation = new VariableInformation(\r
 169                         java.awt.event.KeyEvent.VK_L,\r
 170                         SysdynResource.URIs.LoopSymbol,\r
 171                         (ShapeNode)LoopFactory.LOOP_STATIC_IMAGE.init(parent)\r
 172                         );\r
 173             }\r
 174 \r
 175                         if (variableInformation != null) {\r
 176                                 updateSG();\r
 177                                 return true;\r
 178                         }\r
 179                 }\r
 180 \r
 181                 KeyReleasedEvent kre;\r
 182                 if (ke instanceof KeyReleasedEvent) {\r
 183                         kre = (KeyReleasedEvent) ke;\r
 184                         \r
 185                         if (variableInformation != null\r
 186                                         && (kre.keyCode == variableInformation.shortcutKey || kre.keyCode == java.awt.event.KeyEvent.VK_SHIFT)) {\r
 187                                 if (node != null) {\r
 188                                         // If there is a variable to be created, do it when a key is released.\r
 189                                         if (createVar) {\r
 190                                                 createVar = false;\r
 191                                                 createVariableOnDiagram(createVarDiagram);\r
 192                                         }\r
 193                                         variableInformation = null;\r
 194                                         removeSG();\r
 195                                         return true;\r
 196                                 }\r
 197                         }\r
 198                 }\r
 199 \r
 200                 return false;\r
 201 \r
 202         }\r
 203 \r
 204         @EventHandler(priority = -10)\r
 205         public boolean handleMouse(MouseMovedEvent e) {\r
 206 \r
 207                 if (variableInformation != null ) {\r
 208                         updateSG();\r
 209                 } else {\r
 210                         if (node != null) {\r
 211                                 removeSG();\r
 212                         }\r
 213                 }\r
 214                 return false;\r
 215         }\r
 216 \r
 217 \r
 218         @EventHandler(priority = 100)\r
 219         public boolean handleMouseEvent(MouseEvent me) {\r
 220 \r
 221 \r
 222                 MouseEvent.MouseClickEvent mce;\r
 223                 if (me instanceof MouseEvent.MouseClickEvent) {\r
 224                         mce = (MouseEvent.MouseClickEvent) me;\r
 225                 } else {\r
 226                         return false;\r
 227                 }\r
 228 \r
 229                 if (!\r
 230                                 (\r
 231                                                 mce.button == MouseEvent.LEFT_BUTTON && \r
 232                                                 variableInformation != null && \r
 233                                                 mce.stateMask ==  MouseEvent.SHIFT_MASK\r
 234                                 )) \r
 235                 {\r
 236                         return false;\r
 237                 }\r
 238                 \r
 239                 final IDiagram d = getHint(DiagramHints.KEY_DIAGRAM);\r
 240                 if (d == null)\r
 241                         return false;\r
 242                 \r
 243                 // Need to create a new variable, save the diagram to do this later.\r
 244                 createVar = true;\r
 245                 createVarDiagram = d;\r
 246 \r
 247                 return true;\r
 248         }\r
 249 \r
 250 \r
 251         private void createVariableOnDiagram(IDiagram d) {\r
 252                 DiagramUtils.mutateDiagram(d, new Callback<DiagramMutator>() {\r
 253                         @Override\r
 254                         public void run(DiagramMutator m) {\r
 255 \r
 256                                 Resource r;\r
 257                                 try {\r
 258                                         r = SimanticsUI\r
 259                                         .getSession()\r
 260                                         .syncRequest(\r
 261                                                         Queries\r
 262                                                         .resource(variableInformation.symbolURI));\r
 263                                         ElementClass ec = SimanticsUI.getSession().syncRequest(\r
 264                                                         DiagramRequests.getElementClass(r, diagram));\r
 265 \r
 266                                         IElement element = m.newElement(ec);\r
 267 \r
 268                                         // MouseUtil mutil = new MouseUtil();\r
 269                                         MouseInfo minfo = mouseUtil.getMouseInfo(0);\r
 270 \r
 271                                         //at least when using breakpoints this is possible\r
 272                                         if(minfo == null) \r
 273                                                 return;\r
 274 \r
 275                                         Point2D p = minfo.canvasPosition;\r
 276                                         //FIXME - Arto element doesn't know its size at first. Hopefully temp fix.\r
 277                                         p.setLocation(p.getX()-5.46, p.getY()+1);\r
 278 \r
 279                                         ElementUtils.setPos(element, p);\r
 280 \r
 281                                 } catch (DatabaseException e) {\r
 282                                         ExceptionUtils.logAndShowError(e);\r
 283                                 }\r
 284 \r
 285                         }\r
 286                 });\r
 287 \r
 288                 synchronizer.getCanvasContext().getContentContext().setDirty();\r
 289 \r
 290         }\r
 291 \r
 292         private class VariableInformation {\r
 293                 public String symbolURI;\r
 294                 public ShapeNode node;\r
 295                 public int shortcutKey;\r
 296 \r
 297                 public VariableInformation(int shortcutKey, String symbolURI, ShapeNode node) {\r
 298                         this.symbolURI = symbolURI;\r
 299                         this.node = node;\r
 300                         this.shortcutKey = shortcutKey;\r
 301                 }\r
 302         }\r
 303         \r
 304         private boolean isEditing() {\r
 305         int selectionId = 0;\r
 306         Set<IElement> ss = selection.getSelection(selectionId);\r
 307         if (ss.isEmpty()) {\r
 308             return false;\r
 309         }\r
 310         for (IElement e : ss) {\r
 311                 for(Object o : e.getHints().values()) {\r
 312                         if (o instanceof TextNode) {\r
 313                                 TextNode tn = (TextNode) o;\r
 314                                 if(tn.isEditMode())\r
 315                                         return true;\r
 316                         }\r
 317                 }\r
 318         }\r
 319                 return false;\r
 320         }\r
 321 \r
 322 }\r