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