bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/GraphUI.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
   3  * in 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.spreadsheet.graph;\r
  13 \r
  14 import java.util.ArrayList;\r
  15 import java.util.Collection;\r
  16 import java.util.Collections;\r
  17 import java.util.List;\r
  18 import java.util.Map;\r
  19 import java.util.function.Consumer;\r
  20 \r
  21 import org.eclipse.e4.core.contexts.IEclipseContext;\r
  22 import org.eclipse.e4.ui.di.UISynchronize;\r
  23 import org.eclipse.jface.dialogs.Dialog;\r
  24 import org.eclipse.ui.PlatformUI;\r
  25 import org.simantics.Simantics;\r
  26 import org.simantics.databoard.Bindings;\r
  27 import org.simantics.databoard.binding.Binding;\r
  28 import org.simantics.databoard.binding.mutable.MutableVariant;\r
  29 import org.simantics.databoard.binding.mutable.Variant;\r
  30 import org.simantics.db.AsyncReadGraph;\r
  31 import org.simantics.db.ReadGraph;\r
  32 import org.simantics.db.RequestProcessor;\r
  33 import org.simantics.db.Resource;\r
  34 import org.simantics.db.WriteGraph;\r
  35 import org.simantics.db.common.procedure.adapter.AsyncListenerSupport;\r
  36 import org.simantics.db.common.procedure.adapter.ListenerSupport;\r
  37 import org.simantics.db.common.procedure.adapter.SyncListenerSupport;\r
  38 import org.simantics.db.common.procedure.adapter.TransientCacheAsyncListener;\r
  39 import org.simantics.db.common.procedure.single.SingleSetSyncListenerDelegate;\r
  40 import org.simantics.db.common.request.ReadRequest;\r
  41 import org.simantics.db.common.request.ResourceRead;\r
  42 import org.simantics.db.common.request.UnaryRead;\r
  43 import org.simantics.db.common.request.UniqueRead;\r
  44 import org.simantics.db.common.request.WriteRequest;\r
  45 import org.simantics.db.common.request.WriteResultRequest;\r
  46 import org.simantics.db.common.session.SessionEventListenerAdapter;\r
  47 import org.simantics.db.exception.DatabaseException;\r
  48 import org.simantics.db.layer0.StandardRealm;\r
  49 import org.simantics.db.layer0.request.PossibleURIVariable;\r
  50 import org.simantics.db.layer0.request.VariableName;\r
  51 import org.simantics.db.layer0.request.VariableRead;\r
  52 import org.simantics.db.layer0.variable.ProxyVariables;\r
  53 import org.simantics.db.layer0.variable.Variable;\r
  54 import org.simantics.db.layer0.variable.Variables;\r
  55 import org.simantics.db.procedure.SyncListener;\r
  56 import org.simantics.db.request.Write;\r
  57 import org.simantics.db.service.SessionEventSupport;\r
  58 import org.simantics.layer0.Layer0;\r
  59 import org.simantics.spreadsheet.Adaptable;\r
  60 import org.simantics.spreadsheet.CellEditor;\r
  61 import org.simantics.spreadsheet.ClientModel;\r
  62 import org.simantics.spreadsheet.ClientModel.OperationMode;\r
  63 import org.simantics.spreadsheet.SheetCommands;\r
  64 import org.simantics.spreadsheet.common.logging.Logger;\r
  65 import org.simantics.spreadsheet.event.model.RemoveCellHandler;\r
  66 import org.simantics.spreadsheet.resource.SpreadsheetResource;\r
  67 import org.simantics.ui.selection.WorkbenchSelectionUtils;\r
  68 import org.simantics.utils.datastructures.Pair;\r
  69 import org.simantics.utils.strings.AlphanumComparator;\r
  70 import org.simantics.utils.threads.logger.ITask;\r
  71 import org.simantics.utils.threads.logger.ThreadLogger;\r
  72 \r
  73 import gnu.trove.map.hash.THashMap;\r
  74 import gnu.trove.map.hash.TObjectIntHashMap;\r
  75 \r
  76 class FilteredVariableProperties extends UnaryRead<Variable, Collection<Pair<String,Variable>>> {\r
  77 \r
  78         final static String CLASSIFICATION = SpreadsheetResource.URIs.Attribute;\r
  79         \r
  80     public FilteredVariableProperties(Variable variable) {\r
  81         super(variable);\r
  82     }\r
  83 \r
  84     @Override\r
  85     public Collection<Pair<String,Variable>> perform(ReadGraph graph) throws DatabaseException {\r
  86         ArrayList<Pair<String,Variable>> result = new ArrayList<Pair<String,Variable>>();\r
  87         for(Variable var : parameter.getProperties(graph, CLASSIFICATION)) {\r
  88                 String name = var.getName(graph);\r
  89                 String uri = var.getURI(graph);\r
  90                 result.add(Pair.make(name, var));\r
  91                 Variable expression = var.getPossibleProperty(graph, "expression");\r
  92                 if(expression != null)\r
  93                     result.add(Pair.make(name + "#expression", expression));\r
  94                 Variable editable = var.getPossibleProperty(graph, "editable");\r
  95             if(editable != null)\r
  96                 result.add(Pair.make(name + "#editable", editable));\r
  97         }\r
  98         return result;\r
  99     }\r
 100 \r
 101 }\r
 102 \r
 103 public class GraphUI implements Adaptable, ListenerSupport, AsyncListenerSupport, SyncListenerSupport {\r
 104 \r
 105         final public static boolean DEBUG = false;\r
 106         \r
 107     final private RequestProcessor processor;\r
 108     \r
 109     private CellEditor<Write> cellEditor;\r
 110     \r
 111     private Variable run;\r
 112     private ClientModel client;\r
 113 \r
 114     private Map<String, PropertyListener> listenerCache = new THashMap<>();\r
 115 \r
 116     public GraphUI(RequestProcessor processor) {\r
 117         this.processor = processor;\r
 118     }\r
 119     \r
 120     public void addCell(ReadGraph graph, Pair<String, Variable> child, final ClientModel client) throws DatabaseException {\r
 121 \r
 122                 if(DEBUG) System.out.println("GraphUI adds cell  " + child.second.getURI(graph));\r
 123 \r
 124         final String childName = child.second.getName(graph);\r
 125         Boolean immutable = child.second.getPossiblePropertyValue(graph, "immutable", Bindings.BOOLEAN);\r
 126         if(immutable != null && immutable) {\r
 127                 Collection<Variable> properties = child.second.getProperties(graph, FilteredVariableProperties.CLASSIFICATION);\r
 128                 addProperties(graph, properties, client, childName);\r
 129         } else {\r
 130             PropertyListener listener = listenerCache.get(child.first); \r
 131             if (listener == null) {\r
 132                     listener = propertyListener(client, childName);\r
 133                     listenerCache.put(child.first, listener);\r
 134             }\r
 135                 graph.asyncRequest(new FilteredVariableProperties(child.second), listener);\r
 136         }\r
 137 \r
 138     }\r
 139 \r
 140     public void removeCell(ReadGraph graph, Pair<String, Variable> child, final ClientModel client) throws DatabaseException {\r
 141 \r
 142                 if(DEBUG) System.out.println("GraphUI removed cell " + child.first);\r
 143                 \r
 144                 client.clear(child.first);\r
 145                 PropertyListener listener = listenerCache.remove(child.first);\r
 146                 if (listener != null)\r
 147                     listener.dispose();\r
 148 \r
 149     }\r
 150 \r
 151     public void loadCells(ReadGraph graph, Variable container, boolean immutable, final ClientModel client) throws DatabaseException {\r
 152         \r
 153                 if(DEBUG) System.out.println("GraphUI loads cells from " + container.getURI(graph));\r
 154                 \r
 155                 if(immutable) {\r
 156                         for(Pair<String, Variable> cell : graph.syncRequest(new Cells(container), TransientCacheAsyncListener.<Collection<Pair<String, Variable>>>instance())) { \r
 157                                 addCell(graph, cell, client);\r
 158                         }\r
 159                 } else {\r
 160                 graph.syncRequest(new Cells(container), new SingleSetSyncListenerDelegate<Pair<String, Variable>>(GraphUI.this) {\r
 161         \r
 162                     @Override\r
 163                     public void add(ReadGraph graph, final Pair<String, Variable> child) throws DatabaseException {\r
 164                         addCell(graph, child, client);\r
 165                     }\r
 166         \r
 167                     @Override\r
 168                     public void remove(ReadGraph graph, final Pair<String, Variable> child) throws DatabaseException {\r
 169                         removeCell(graph, child, client);\r
 170                     }\r
 171                 });\r
 172                 }\r
 173         \r
 174     }\r
 175     \r
 176     private SessionEventListenerAdapter listener;\r
 177     \r
 178     private String currentSource;\r
 179 \r
 180     private boolean disposed;\r
 181     \r
 182     public Resource load(final Variable variable, final ClientModel client) throws DatabaseException {\r
 183         \r
 184 //        for (PropertyListener listener : listenerCache.values())\r
 185 //            listener.dispose();\r
 186 //        \r
 187 //        listenerCache.clear();\r
 188         \r
 189         \r
 190         \r
 191         assert(variable != null);\r
 192         \r
 193         this.run = variable;\r
 194         this.client = client;\r
 195         \r
 196         SessionEventSupport support = processor.getService(SessionEventSupport.class);\r
 197         \r
 198         for (PropertyListener listener : listenerCache.values()) {\r
 199             listener.dispose();\r
 200         }\r
 201         listenerCache.clear();\r
 202         \r
 203         if(listener != null)\r
 204                 support.removeListener(listener);\r
 205         \r
 206         listener = new SessionEventListenerAdapter() {\r
 207                 \r
 208                 @Override\r
 209                 public void writeTransactionFinished() {\r
 210                         client.flush();\r
 211                 }\r
 212                 \r
 213         }; \r
 214         \r
 215         support.addListener(listener);\r
 216 \r
 217         this.cellEditor = processor.sync(new VariableRead<CellEditor>(variable) {\r
 218 \r
 219                         @Override\r
 220                         public CellEditor perform(ReadGraph graph) throws DatabaseException {\r
 221                                 SpreadsheetResource SHEET = SpreadsheetResource.getInstance(graph);\r
 222                                 return variable.getPropertyValue(graph, SHEET.cellEditor);\r
 223                         }\r
 224                 \r
 225         });\r
 226         \r
 227                 final ITask task = ThreadLogger.getInstance().begin("GraphUI.init");\r
 228 \r
 229                 client.clearAll();\r
 230 \r
 231                 Map<String,Variable> sources = processor.syncRequest(new Sources(variable));\r
 232 \r
 233                 List<String> sheetList = processor.syncRequest(new Sheets(variable));\r
 234                 String currentSheet = processor.syncRequest(new VariableName(variable));\r
 235                 \r
 236                 Map<String, Resource> stateList = processor.syncRequest(new SpreadsheetStates(variable));\r
 237 \r
 238                 if(currentSource == null) currentSource = "Sheet";\r
 239                 \r
 240                 ArrayList<String> sourceList = new ArrayList<String>(sources.keySet());\r
 241                 \r
 242                 Collections.sort(sourceList, AlphanumComparator.CASE_INSENSITIVE_COMPARATOR);\r
 243                 if(!sourceList.contains(currentSource)) sourceList.add(currentSource);\r
 244                 \r
 245                 client.setProperty(ClientModel.SOURCES, ClientModel.SOURCES_AVAILABLE, sourceList.toArray(new String[sourceList.size()]));\r
 246                 client.setProperty(ClientModel.SOURCES, ClientModel.SOURCES_CURRENT, currentSource);\r
 247 \r
 248                 client.setProperty(ClientModel.SHEETS, ClientModel.SHEETS_AVAILABLE, sheetList.toArray(new String[sheetList.size()]));\r
 249                 client.setProperty(ClientModel.SHEETS, ClientModel.SHEETS_CURRENT, currentSheet);\r
 250                 \r
 251                 client.setProperty(ClientModel.STATES, ClientModel.STATES_AVAILABLE, stateList.keySet().toArray(new String[stateList.size()]));\r
 252                 \r
 253                 client.setProperty(ClientModel.CONTEXT, ClientModel.CONTEXT_CURRENT, variable);\r
 254                 \r
 255                 client.setProperty(ClientModel.MODE, ClientModel.MODE_CURRENT, OperationMode.OPERATION);\r
 256                 \r
 257                 String currentState = processor.syncRequest(new UniqueRead<String>() {\r
 258 \r
 259             @Override\r
 260             public String perform(ReadGraph graph) throws DatabaseException {\r
 261                 Resource book = variable.getParent(graph).getRepresents(graph);\r
 262                 Resource ic = graph.getPossibleObject(book, SpreadsheetResource.getInstance(graph).Book_HasDefaultInitialCondition);\r
 263                 if (ic == null)\r
 264                         return "";\r
 265                 return graph.getRelatedValue2(ic, Layer0.getInstance(graph).HasName, Bindings.STRING);\r
 266             }\r
 267         });\r
 268                 \r
 269                 client.setProperty(ClientModel.STATES, ClientModel.STATES_CURRENT, currentState);\r
 270 \r
 271         processor.syncRequest(new ReadRequest() {\r
 272 \r
 273             @Override\r
 274             public void run(ReadGraph graph) throws DatabaseException {\r
 275 \r
 276                 loadCells(graph, variable, false, client);\r
 277 \r
 278                 graph.syncRequest(new Ranges(variable), new SingleSetSyncListenerDelegate<Variable>(GraphUI.this) {\r
 279 \r
 280                     @Override\r
 281                     public void add(ReadGraph graph, final Variable range) throws DatabaseException {\r
 282 \r
 283                                 if(DEBUG) System.out.println("GraphUI adds range  " + range.getURI(graph));\r
 284 \r
 285                         Boolean immutable = range.getPossiblePropertyValue(graph, "immutable", Bindings.BOOLEAN);\r
 286                         loadCells(graph, range, immutable != null && immutable, client);\r
 287 \r
 288                     }\r
 289 \r
 290                     @Override\r
 291                     public void remove(ReadGraph graph, final Variable range) throws DatabaseException {\r
 292 \r
 293                     }\r
 294                     \r
 295                 });\r
 296                 \r
 297                 \r
 298                 graph.syncRequest(new SheetLines(variable), new SingleSetSyncListenerDelegate<Variable>(GraphUI.this) {\r
 299 \r
 300                     @Override\r
 301                     public void add(ReadGraph graph, final Variable range) throws DatabaseException {\r
 302 \r
 303                                 if(DEBUG) System.out.println("GraphUI adds line  " + range.getURI(graph));\r
 304 \r
 305                         Boolean immutable = range.getPossiblePropertyValue(graph, "immutable", Bindings.BOOLEAN);\r
 306                         loadCells(graph, range, immutable != null && immutable, client);\r
 307 \r
 308                     }\r
 309 \r
 310                     @Override\r
 311                     public void remove(ReadGraph graph, final Variable range) throws DatabaseException {\r
 312 \r
 313                     }\r
 314                 });\r
 315 \r
 316             }\r
 317 \r
 318 //            @Override\r
 319 //            public void remove(ReadGraph graph, Variable child) throws DatabaseException {\r
 320 //\r
 321 //              String location = locations.get(cellResource);\r
 322 //              assert(location != null);\r
 323 //\r
 324 //              client.setProperty(location, "Label", null);\r
 325 //              client.setProperty(location, "Expression", null);\r
 326 //\r
 327 //            }\r
 328 \r
 329         });\r
 330         \r
 331 \r
 332                 task.finish();\r
 333                 client.flush();\r
 334                 \r
 335                 return null;\r
 336 \r
 337     }\r
 338     \r
 339     private static class PropertyListener extends SingleSetSyncListenerDelegate<Pair<String,Variable>> {\r
 340 \r
 341         private ClientModel client;\r
 342         private String childName;\r
 343         private boolean listenerDisposed;\r
 344 \r
 345         public PropertyListener(AsyncListenerSupport support, ClientModel client, String childName) {\r
 346             super(support);\r
 347             this.client = client;\r
 348             this.childName = childName;\r
 349         }\r
 350         \r
 351         @Override\r
 352         public void add(ReadGraph graph, final Pair<String,Variable> property) throws DatabaseException {\r
 353 \r
 354             if(DEBUG)\r
 355                 System.out.println("GraphUI adds property  " + property.second.getURI(graph));\r
 356 \r
 357             graph.asyncRequest(new CellValue(property.second), new SyncListener<Object>() {\r
 358 \r
 359                 @Override\r
 360                 public void execute(ReadGraph graph, final Object value) throws DatabaseException {\r
 361 \r
 362                     String propertyName = property.first;\r
 363 \r
 364                     if(DEBUG)\r
 365                         System.out.println("GraphUI detected content change(1) at  " + childName + " - " + propertyName + " -> " + value);\r
 366                     client.setProperty(childName, propertyName, value);\r
 367                     \r
 368                 }\r
 369 \r
 370                 @Override\r
 371                 public void exception(ReadGraph graph, Throwable throwable) throws DatabaseException {\r
 372                     \r
 373                     Logger.defaultLogError(throwable);\r
 374                     \r
 375                     String propertyName = property.first;\r
 376                     if("content".equals(propertyName)) {\r
 377                         if(throwable == null) throwable = new Exception();\r
 378                         String message = throwable.getMessage();\r
 379                         if(message == null) message = throwable.toString();\r
 380                         client.setProperty(childName, propertyName, Variant.ofInstance(message));\r
 381                     } else {\r
 382                         client.setProperty(childName, propertyName, null);\r
 383                     }\r
 384                     \r
 385                 }\r
 386 \r
 387                 @Override\r
 388                 public boolean isDisposed() {\r
 389                     return listenerDisposed;\r
 390                 }\r
 391 \r
 392             });\r
 393         }\r
 394 \r
 395         public void dispose() {\r
 396             listenerDisposed = true;\r
 397         }\r
 398         \r
 399         @Override\r
 400         public String toString() {\r
 401             return super.toString() + ":" + childName;\r
 402         }\r
 403         \r
 404     }\r
 405     \r
 406     private PropertyListener propertyListener(final ClientModel client, final String childName) {\r
 407         return new PropertyListener(this, client, childName);\r
 408     }\r
 409     \r
 410     private void addProperties(ReadGraph graph, final Collection<Variable> properties, final ClientModel client, final String childName) throws DatabaseException {\r
 411 \r
 412         for(Variable property : properties) {\r
 413                 \r
 414                 if(DEBUG) System.out.println("GraphUI adds immutable property  " + property.getURI(graph));\r
 415 \r
 416                 final String propertyName = property.getName(graph);\r
 417                 \r
 418                 Object value = property.getValue(graph);\r
 419 \r
 420                 if(DEBUG) System.out.println("GraphUI detected change at  " + childName + " - " + propertyName + " -> " + value);\r
 421                 client.setProperty(childName, propertyName, value);\r
 422                 \r
 423                 String expression = property.getPossiblePropertyValue(graph, "expression", Bindings.STRING);\r
 424                 if(expression != null) {\r
 425                         if(DEBUG) System.out.println("GraphUI detected change at  " + childName + " - " + (propertyName + "#expression") + " -> " + value);\r
 426                         client.setProperty(childName, propertyName + "#expression", expression);\r
 427                 }\r
 428                 \r
 429             Boolean editable = property.getPossiblePropertyValue(graph, "editable", Bindings.STRING);\r
 430             if(editable != null) {\r
 431                 if(DEBUG) System.out.println("GraphUI detected change at  " + childName + " - " + (propertyName + "#editable") + " -> " + value);\r
 432                 client.setProperty(childName, propertyName + "#editable", editable);\r
 433             }\r
 434         \r
 435         }\r
 436 \r
 437     }\r
 438     \r
 439     @SuppressWarnings("unchecked")\r
 440     @Override\r
 441     public <T> T getAdapter(Class<T> clazz) {\r
 442 \r
 443         if(Variable.class == clazz) {\r
 444 \r
 445                 return (T)run;\r
 446                 \r
 447         } else if(RemoveCellHandler.class == clazz) {\r
 448                 \r
 449             return (T) new RemoveCellHandler() {\r
 450 \r
 451                                 @Override\r
 452                                 public void handle(final String location) {\r
 453                                         \r
 454                                 processor.asyncRequest(new ReadRequest() {\r
 455 \r
 456                                     @Override\r
 457                                     public void run(ReadGraph graph) throws DatabaseException {\r
 458                                         \r
 459                                                         Variable cellVariable = run.getPossibleChild(graph, location);\r
 460                                                         if(cellVariable != null) {\r
 461                                                                 final Resource config = cellVariable.getPossiblePropertyValue(graph, "Represents");\r
 462                                                                 if(config != null) {\r
 463                                                                         \r
 464                                                                         graph.asyncRequest(new WriteRequest() {\r
 465 \r
 466                                                                                 @Override\r
 467                                                                                 public void perform(WriteGraph graph) throws DatabaseException {\r
 468                                                                                         \r
 469                                                                                         Layer0 l0 = Layer0.getInstance(graph);\r
 470 //                                                                                      SpreadsheetResource sr = SpreadsheetResource.getInstance(graph);\r
 471                                                                                         graph.deny(config, l0.PartOf);\r
 472 //                                                                                      graph.deny(config, sr.RowOf);\r
 473 //                                                                                      graph.deny(config, sr.ColumnOf);\r
 474                                                                                         \r
 475                                                                                 }\r
 476                                                                                 \r
 477                                                                         });\r
 478                                                                         \r
 479                                                                 }\r
 480                                                         }\r
 481                                                         \r
 482                                     }\r
 483                                     \r
 484                                 });\r
 485                                         \r
 486                                 }\r
 487                 \r
 488             };\r
 489 \r
 490         } else if(CellEditor.class == clazz) {\r
 491         \r
 492                 return (T)new CellEditor<Write>() {\r
 493 \r
 494                                 @Override\r
 495                                 public <T> void edit(Transaction<Write> transaction, String location, String property, T value, Binding binding, Consumer<?> callback) {\r
 496                                         \r
 497                                     if (ClientModel.ITERATION_ENABLED.equals(location)) {\r
 498                                         Simantics.getSession().asyncRequest(new ReadRequest() {\r
 499                                                         @Override\r
 500                                                         public void run(ReadGraph graph) throws DatabaseException {\r
 501                                                                 getBook(graph).setIterationEnabled((boolean)value);\r
 502                                                         }\r
 503                                                 });\r
 504                                         return;\r
 505                                     }\r
 506                                     \r
 507                                     if (ClientModel.MODE.equals(location)) {\r
 508                                         if (ClientModel.MODE_CURRENT.equals(property)) {\r
 509                                             client.setProperty(location, property, value);\r
 510                                             client.flush();\r
 511                                             return;\r
 512                                         }\r
 513                                     }\r
 514                                     \r
 515                                     if (ClientModel.CONTEXT.equals(location)) {\r
 516                                         if(ClientModel.CONTEXT_CURRENT.equals(property)) {\r
 517                             if(value instanceof String) {\r
 518                                 try {\r
 519                                     Variable newContext = processor.syncRequest(new UnaryRead<String, Variable>((String)value) {\r
 520 \r
 521                                         @Override\r
 522                                         public Variable perform(ReadGraph graph) throws DatabaseException {\r
 523                                       \r
 524                                             String sheetName = run.getName(graph);\r
 525                                             \r
 526                                             Variable book = Variables.getContext(graph, run);\r
 527                                             Resource bookResource = book.getRepresents(graph);\r
 528                                             \r
 529                                             Variable input = Variables.getVariable(graph, parameter);\r
 530                                             Variable proxy = ProxyVariables.makeProxyVariable(graph, Variables.getVariable(graph, bookResource), input);\r
 531                                             \r
 532                                             return proxy.getChild(graph, sheetName);\r
 533                                             \r
 534 //                                            return variable.getParent(graph).getChild(graph, parameter);\r
 535                                         }\r
 536 \r
 537                                     });\r
 538                                     \r
 539                                     load(newContext, client);\r
 540                                     return;\r
 541                                 } catch (DatabaseException e) {\r
 542                                     Logger.defaultLogError(e);\r
 543                                 }\r
 544                             }\r
 545                                         }\r
 546                                     }\r
 547                                     \r
 548                                         if(ClientModel.SHEETS.equals(location)) {\r
 549                                                 if(ClientModel.SHEETS_CURRENT.equals(property)) {\r
 550                                                         \r
 551                                                         if(value instanceof String) {\r
 552 \r
 553                                                                 try {\r
 554 \r
 555                                                                         Variable newInput = processor.syncRequest(new UnaryRead<String, Variable>((String)value) {\r
 556 \r
 557                                                                                 @Override\r
 558                                                                                 public Variable perform(ReadGraph graph) throws DatabaseException {\r
 559                                                                                         return run.getParent(graph).getChild(graph, parameter);\r
 560                                                                                 }\r
 561 \r
 562                                                                         });\r
 563 \r
 564                                                                         load(newInput, client);\r
 565                                                                         return;\r
 566                                                                 } catch (DatabaseException e) {\r
 567                                                                         Logger.defaultLogError(e);\r
 568                                                                 }\r
 569                                                         }\r
 570                                                 }\r
 571                                         }\r
 572                                         \r
 573                    if(ClientModel.STATES.equals(location)) {\r
 574                         if(ClientModel.STATES_CURRENT.equals(property)) {\r
 575                             if(value instanceof String) {\r
 576                                 final String parameter = (String) value;\r
 577                                 try {\r
 578                                     \r
 579                                     String uri = processor.syncRequest(new WriteResultRequest<String>() {\r
 580                 \r
 581                                         @Override\r
 582                                         public String perform(WriteGraph graph) throws DatabaseException {\r
 583                                             \r
 584                                             Map<String, Resource> states = graph.syncRequest(new SpreadsheetStates(run));\r
 585                                             \r
 586                                             Resource state = null;\r
 587                                             for (Map.Entry<String, Resource> entry : states.entrySet()) {\r
 588                                                 if (entry.getKey().equals(parameter)) {\r
 589                                                     state = entry.getValue();\r
 590                                                     break;\r
 591                                                 }\r
 592                                             }\r
 593                                             if (state != null) {\r
 594                                                 Variable context = Variables.getContext(graph, run);\r
 595                                                 Resource bookResource = context.getRepresents(graph);\r
 596                                                 SpreadsheetGraphUtils.setDefaultInitialConditionForBook(graph, bookResource, state);\r
 597                                                 \r
 598                                                 String contextURI = context.getURI(graph);\r
 599                                                 \r
 600                                                 String sessionName = context.getParent(graph).getURI(graph);\r
 601                                                 SpreadsheetSessionManager.getInstance().removeRealm(sessionName);\r
 602                                                 SpreadsheetSessionManager.getInstance().getOrCreateRealm(graph, sessionName);\r
 603                                             }\r
 604                                             \r
 605                                             return run.getURI(graph);\r
 606                                         }\r
 607                                     });\r
 608                                     Variable newInput = processor.syncRequest(new PossibleURIVariable(uri));\r
 609                                     load(newInput, client);\r
 610 //                                    fullSynchronize();\r
 611                                     return;\r
 612                                 } catch (DatabaseException e) {\r
 613                                     Logger.defaultLogError(e);\r
 614                                 }\r
 615                             }\r
 616                         }\r
 617                     }\r
 618 \r
 619                                         if(ClientModel.SOURCES.equals(location)) {\r
 620                                                 if(ClientModel.SOURCES_CURRENT.equals(property)) {\r
 621                                                         try {\r
 622                                                                 Resource res = WorkbenchSelectionUtils.getPossibleResource(value);\r
 623                                                                 if(res != null) {\r
 624                                                                         \r
 625                                                                         Variable newInput = processor.syncRequest(new ResourceRead<Variable>(res) {\r
 626 \r
 627                                                                                 @Override\r
 628                                                                                 public Variable perform(ReadGraph graph) throws DatabaseException {\r
 629                                                                                         Variable base = ProxyVariables.proxyVariableBase(graph, run);\r
 630                                                                                         Variable in = Variables.getVariable(graph, resource);\r
 631                                                                                         currentSource = in.getURI(graph);\r
 632                                                                                         return ProxyVariables.makeProxyVariable(graph, base, in);\r
 633                                                                                 }\r
 634                                                 \r
 635                                                                         });\r
 636                                                                         \r
 637                                                                         load(newInput, client);\r
 638                                                                         \r
 639                                                                         return;\r
 640 \r
 641                                                                 } else if(value instanceof String) {\r
 642                                                                         \r
 643                                                                         Variable newInput = processor.syncRequest(new UnaryRead<String, Variable>((String)value) {\r
 644 \r
 645                                                                                 @Override\r
 646                                                                                 public Variable perform(ReadGraph graph) throws DatabaseException {\r
 647                                                                                         \r
 648                                                                                         Variable base = ProxyVariables.proxyVariableBase(graph, run);\r
 649                                                                                         Map<String,Variable> sources = graph.syncRequest(new Sources(base));\r
 650 \r
 651                                                                                         Variable found = sources.get(parameter);\r
 652                                                                                         if(found == null) return null;\r
 653                                                                                         \r
 654                                                                                         currentSource = parameter;\r
 655 \r
 656                                                                                         return ProxyVariables.makeProxyVariable(graph, base, found);\r
 657                                                                                         \r
 658                                                                                 }\r
 659                                                 \r
 660                                                                         });\r
 661                                                                         \r
 662                                                                         load(newInput, client);\r
 663                                                                         return;\r
 664                                                                 }\r
 665                                                                 \r
 666                                                         } catch (DatabaseException e) {\r
 667                                                                 Logger.defaultLogError(e);\r
 668                                                         }\r
 669                                                 }\r
 670                                                 return;\r
 671                                         }\r
 672                                         boolean needsCommit = false;\r
 673                                         if (transaction == null) {\r
 674                                             OperationMode mode = client.getPropertyAt(ClientModel.MODE, ClientModel.MODE_CURRENT);\r
 675                                             transaction = startTransaction(mode);\r
 676 //                                          if (mode.equals(OperationMode.OPERATION))\r
 677                                         transaction.setContext(run);\r
 678                                             needsCommit = true;\r
 679                                         }\r
 680                                         final Transaction<Write> finalTransaction = transaction;\r
 681                                         cellEditor.edit(transaction, location, property, value, binding, new Consumer<Object>() {\r
 682                         \r
 683                         @Override\r
 684                         public void accept(Object param) {\r
 685                             if (finalTransaction.needSynchronization() != null)\r
 686                                 synchronize(finalTransaction.needSynchronization());\r
 687                         }\r
 688                                         });\r
 689                                         if (needsCommit)\r
 690                                             transaction.commit();\r
 691                                 }\r
 692 \r
 693                                 @Override\r
 694                                 public void edit(Transaction<Write> transaction, String location, Variant variant, Consumer<?> callback) {\r
 695                                     boolean needsCommit = false;\r
 696                                     if (transaction == null) {\r
 697                                         OperationMode mode = client.getPropertyAt(ClientModel.MODE, ClientModel.MODE_CURRENT);\r
 698                                         transaction = startTransaction(mode);\r
 699 //                                      if (mode.equals(OperationMode.OPERATION))\r
 700                                     transaction.setContext(run);\r
 701                                         needsCommit = true;\r
 702                                     }\r
 703                                     final Transaction<Write> finalTransaction = transaction;\r
 704                                         cellEditor.edit(transaction, location, variant, new Consumer<Object>() {\r
 705                         \r
 706                         @Override\r
 707                         public void accept(Object param) {\r
 708                             if (finalTransaction.needSynchronization() != null)\r
 709                                 synchronize(finalTransaction.needSynchronization());\r
 710                         }\r
 711                     });\r
 712                                         if (needsCommit)\r
 713                                             transaction.commit();\r
 714                                 }\r
 715 \r
 716                                 @Override\r
 717                                 public void copy(final Transaction<Write> transaction, String location, MutableVariant variant, Consumer<?> callback) {\r
 718                                         cellEditor.edit(transaction, location, variant, new Consumer<Object>() {\r
 719                         \r
 720                         @Override\r
 721                         public void accept(Object param) {\r
 722                             if (transaction.needSynchronization() != null)\r
 723                                 synchronize(transaction.needSynchronization());\r
 724                         }\r
 725                                         });\r
 726                                 }\r
 727 \r
 728                                 @Override\r
 729                                 public Transaction<Write> startTransaction(OperationMode mode) {\r
 730                                         return cellEditor.startTransaction(mode);\r
 731                                 }\r
 732                                 \r
 733                 };\r
 734                 \r
 735         } else if (SheetCommands.class == clazz ) {\r
 736             \r
 737             return (T) new SheetCommands() {\r
 738                 \r
 739                 @Override\r
 740                 public void saveState() {\r
 741                     \r
 742                     Simantics.getSession().asyncRequest(new ReadRequest() {\r
 743                         \r
 744                         @Override\r
 745                         public void run(ReadGraph graph) throws DatabaseException {\r
 746                             IEclipseContext context = PlatformUI.getWorkbench().getService(IEclipseContext.class);\r
 747                             \r
 748                             Resource uiContextResource = run.getRepresents(graph);\r
 749                             Resource bookResource = Variables.getContext(graph, run).getRepresents(graph);\r
 750                             Layer0 L0 = Layer0.getInstance(graph);\r
 751                             String uiContextName = graph.getRelatedValue2(uiContextResource, L0.HasName, Bindings.STRING);\r
 752                             String bookName = graph.getRelatedValue2(bookResource, L0.HasName, Bindings.STRING);\r
 753                             \r
 754                             UISynchronize synchronizer = context.get(UISynchronize.class);\r
 755                             synchronizer.asyncExec(() -> {\r
 756                                 Pair<String, Resource>[] pairs = new Pair[] {Pair.make(uiContextName, uiContextResource), Pair.make(bookName, bookResource) };\r
 757                                 SaveSpreadsheetStateDialog dialog = new SaveSpreadsheetStateDialog(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActiveEditor().getSite(), "Save Spreadsheet state", pairs);\r
 758                                 if (dialog.open() == Dialog.OK) {\r
 759                                     Object[] result = dialog.getSelection();\r
 760                                     if (result != null) {\r
 761                                         Pair<Resource, String> p = (Pair<Resource, String>) result[0];\r
 762                                         Simantics.getSession().asyncRequest(new WriteRequest() {\r
 763                                             \r
 764                                             @Override\r
 765                                             public void perform(WriteGraph graph) throws DatabaseException {\r
 766                                                 \r
 767                                                 Variable parent = run.getParent(graph);\r
 768                                                 Variable base = ProxyVariables.proxyVariableBase(graph, parent);\r
 769                                                 SpreadsheetGraphUtils.saveInitialCondition(graph, parent, p.first, p.second);\r
 770                                             }\r
 771                                         });\r
 772                                     }\r
 773                                 } else {\r
 774                                     return;\r
 775                                 }\r
 776                             });\r
 777                         }\r
 778                     });\r
 779                 }\r
 780             };\r
 781         }\r
 782 \r
 783         return null;\r
 784 \r
 785     }\r
 786 \r
 787     @Override\r
 788     public void exception(Throwable t) {\r
 789         t.printStackTrace();\r
 790     }\r
 791 \r
 792     @Override\r
 793     public boolean isDisposed() {\r
 794         return disposed;\r
 795     }\r
 796 \r
 797     @Override\r
 798     public void exception(AsyncReadGraph graph, Throwable t) {\r
 799         Logger.defaultLogError("Failed to read properties.", t);\r
 800     }\r
 801 \r
 802     @Override\r
 803     public void exception(ReadGraph graph, Throwable t) {\r
 804         Logger.defaultLogError("Failed to read properties.", t);\r
 805     }\r
 806 \r
 807     public void dispose() {\r
 808         for (PropertyListener listener : listenerCache.values())\r
 809             listener.dispose();\r
 810         \r
 811         listenerCache.clear();\r
 812         SessionEventSupport support = processor.getService(SessionEventSupport.class);\r
 813         support.removeListener(listener);\r
 814         disposed = true;\r
 815     }\r
 816     \r
 817     private void synchronize(List<Object> list) {\r
 818         Simantics.getSession().asyncRequest(new FullSynchronizeBook(run, list));\r
 819     }\r
 820     \r
 821     public static class FullSynchronizeBook extends ReadRequest {\r
 822 \r
 823         private final Variable run;\r
 824         private final List<Object> location;\r
 825         \r
 826         public FullSynchronizeBook(Variable run, List<Object> cellLocation) {\r
 827             this.run = run;\r
 828             this.location = cellLocation;\r
 829         }\r
 830         \r
 831         @Override\r
 832         public void run(ReadGraph graph) throws DatabaseException {\r
 833             String uri = run.getURI(graph);\r
 834             String parentUri = run.getParent(graph).getURI(graph);\r
 835             System.err.println("Full sync for book " + parentUri);\r
 836             \r
 837             Resource sheetResource = run.getRepresents(graph);\r
 838             Variable sheetVariable = Variables.getVariable(graph, sheetResource);\r
 839             \r
 840             TObjectIntHashMap<Variable> changes = null;\r
 841             if (location != null) {\r
 842                 changes = new TObjectIntHashMap<>(location.size());\r
 843                 for (Object loc : location) {\r
 844                     Variable var = (Variable) loc;\r
 845                     changes.put(var, 1);\r
 846                 };\r
 847             }\r
 848             SpreadsheetGraphUtils.partialSynchronization(graph, run.getParent(graph), changes);\r
 849         }\r
 850         \r
 851     }\r
 852     \r
 853     private SpreadsheetBook getBook(ReadGraph graph) throws DatabaseException {\r
 854         String sessionName = run.getParent(graph).getParent(graph).getURI(graph);\r
 855         StandardRealm<SheetNode, SpreadsheetBook> realm = SpreadsheetSessionManager.getInstance().getOrCreateRealm(graph, sessionName);\r
 856         SpreadsheetBook book = realm.getEngine();\r
 857         return book;\r
 858     }\r
 859     \r
 860 }\r