org.simantics.district.selection.ui/src/org/simantics/district/selection/ui/parts/EditSelectorDialog.java

   1 package org.simantics.district.selection.ui.parts;
   2
   3 import java.util.ArrayList;
   4 import java.util.Collection;
   5 import java.util.Collections;
   6 import java.util.Comparator;
   7 import java.util.HashMap;
   8 import java.util.HashSet;
   9 import java.util.List;
  10 import java.util.Map;
  11 import java.util.Set;
  12 import java.util.UUID;
  13 import java.util.function.Consumer;
  14
  15 import javax.inject.Inject;
  16
  17 import org.eclipse.jface.dialogs.Dialog;
  18 import org.eclipse.jface.dialogs.MessageDialog;
  19 import org.eclipse.jface.layout.GridDataFactory;
  20 import org.eclipse.jface.layout.GridLayoutFactory;
  21 import org.eclipse.jface.layout.RowDataFactory;
  22 import org.eclipse.jface.layout.RowLayoutFactory;
  23 import org.eclipse.jface.resource.ImageDescriptor;
  24 import org.eclipse.jface.resource.JFaceResources;
  25 import org.eclipse.jface.resource.LocalResourceManager;
  26 import org.eclipse.jface.resource.ResourceLocator;
  27 import org.eclipse.swt.SWT;
  28 import org.eclipse.swt.events.SelectionAdapter;
  29 import org.eclipse.swt.events.SelectionEvent;
  30 import org.eclipse.swt.widgets.Button;
  31 import org.eclipse.swt.widgets.Combo;
  32 import org.eclipse.swt.widgets.Composite;
  33 import org.eclipse.swt.widgets.Control;
  34 import org.eclipse.swt.widgets.Label;
  35 import org.eclipse.swt.widgets.Shell;
  36 import org.eclipse.swt.widgets.Text;
  37 import org.eclipse.swt.widgets.Widget;
  38 import org.simantics.Simantics;
  39 import org.simantics.db.ReadGraph;
  40 import org.simantics.db.Resource;
  41 import org.simantics.db.WriteGraph;
  42 import org.simantics.db.common.request.IndexRoot;
  43 import org.simantics.db.common.request.ReadRequest;
  44 import org.simantics.db.common.request.WriteRequest;
  45 import org.simantics.db.exception.DatabaseException;
  46 import org.simantics.db.exception.RuntimeDatabaseException;
  47 import org.simantics.db.layer0.QueryIndexUtils;
  48 import org.simantics.db.layer0.request.ActiveModels;
  49 import org.simantics.db.layer0.request.PropertyInfo;
  50 import org.simantics.db.layer0.request.PropertyInfoRequest;
  51 import org.simantics.db.layer0.util.Layer0Utils;
  52 import org.simantics.diagram.stubs.DiagramResource;
  53 import org.simantics.district.network.ontology.DistrictNetworkResource;
  54 import org.simantics.district.region.ontology.DiagramRegionsResource;
  55 import org.simantics.district.route.ontology.RouteResource;
  56 import org.simantics.district.selection.ElementSelectionResource;
  57 import org.simantics.district.selection.ElementSelectionUtils;
  58 import org.simantics.district.selection.ElementSelector;
  59 import org.simantics.district.selection.ElementSelector.AggregateCondition;
  60 import org.simantics.district.selection.ElementSelector.AggregateCondition.Type;
  61 import org.simantics.district.selection.ElementSelector.All;
  62 import org.simantics.district.selection.ElementSelector.Condition;
  63 import org.simantics.district.selection.ElementSelector.DiagramGenerator;
  64 import org.simantics.district.selection.ElementSelector.ExplicitGenerator;
  65 import org.simantics.district.selection.ElementSelector.Generator;
  66 import org.simantics.district.selection.ElementSelector.ModelGenerator;
  67 import org.simantics.district.selection.ElementSelector.PropertyCondition;
  68 import org.simantics.district.selection.ElementSelector.PropertySelector;
  69 import org.simantics.district.selection.ElementSelector.RegionCondition;
  70 import org.simantics.district.selection.ElementSelector.RouteCondition;
  71 import org.simantics.district.selection.ElementSelector.Selector;
  72 import org.simantics.layer0.Layer0;
  73 import org.simantics.layer0.utils.direct.GraphUtils;
  74 import org.simantics.modeling.ModelingResources;
  75 import org.simantics.structural.stubs.StructuralResource2;
  76 import org.simantics.utils.datastructures.Arrays;
  77 import org.simantics.utils.datastructures.Pair;
  78 import org.slf4j.Logger;
  79 import org.slf4j.LoggerFactory;
  80
  81 public class EditSelectorDialog extends Dialog {
  82
  83         private static final RowLayoutFactory ROW_LAYOUT = RowLayoutFactory.fillDefaults().wrap(false);
  84         private static final ImageDescriptor CROSS_IMAGE = ResourceLocator.imageDescriptorFromBundle("com.famfamfam.silk", "icons/cross.png").get();
  85         private static final ImageDescriptor PLUS_IMAGE = ResourceLocator.imageDescriptorFromBundle("com.famfamfam.silk", "icons/add.png").get();
  86
  87         private static Logger LOGGER = LoggerFactory.getLogger(EditSelectorDialog.class);
  88
  89         private ElementSelector elementSelector;
  90
  91         // Currently selected elements
  92         Collection<Resource> currentSelection;
  93
  94         // Data for comboboxes
  95         private List<Resource> diagrams;
  96         private ArrayList<String> diagramNames;
  97
  98         private String[] regionNames;
  99         private Resource[] regionResources;
 100
 101         private String[] routeNames;
 102         private Resource[] routeResources;
 103
 104         private List<Resource> componentTypes;
 105         private List<String> componentTypeNames;
 106
 107         private List<String> propertyNames;
 108         private List<String> propertyLabels;
 109
 110         private Composite conditionPanel;
 111
 112         // Dialog fields
 113         private int generatorIndex;
 114         private Combo sourceField;
 115
 116         private String name;
 117         private Text nameField;
 118
 119         private Resource diagram;
 120         private Combo diagramField;
 121
 122         private int selectorIndex;
 123         private Combo selectorField;
 124
 125         private Resource componentType;
 126         private Combo componentTypeField;
 127
 128         private String propertyName;
 129         private Combo propertyField;
 130
 131         private int numberOfItems;
 132         private Text nField;
 133
 134         private Condition condition;
 135
 136         // Dialog area component
 137         private Composite content;
 138
 139         private int diagramIndex;
 140
 141         private LocalResourceManager resourceManager;
 142
 143         static class ValidationException extends Exception {
 144                 private static final long serialVersionUID = 1L;
 145
 146                 public ValidationException(String message) {
 147                         super(message);
 148                 }
 149         }
 150
 151         // Function type for updating condition objects with optional validation
 152         static interface Updater {
 153                 // If 'validate' is true, a runtime exception may be thrown for invalid values
 154                 void update(boolean validate) throws ValidationException;
 155         }
 156
 157         final static Updater NULL_UPDATE = validate -> {};
 158
 159         // Called to read values from controls into conditions
 160         Updater updater = NULL_UPDATE;
 161
 162         @Inject
 163         public EditSelectorDialog(Shell shell, ElementSelector elementSelector, Collection<Resource> currentSelection) {
 164                 super(shell);
 165
 166                 this.elementSelector = elementSelector;
 167                 if (elementSelector != null) {
 168                         try {
 169                                 Simantics.getSession().sync(new ReadRequest() {
 170                                         @Override
 171                                         public void run(ReadGraph graph) throws DatabaseException {
 172                                                 elementSelector.buildSelection(graph);
 173                                         }
 174                                 });
 175                         } catch (DatabaseException e1) {
 176                                 LOGGER.error("Failed to read element selector resource " + elementSelector.getResource(), e1);
 177                                 throw new RuntimeDatabaseException(e1);
 178                         }
 179                 }
 180
 181                 this.currentSelection = currentSelection;
 182
 183                 Map<Resource, String> diagramMap = ElementSelector.findDiagrams();
 184                 diagrams = new ArrayList<Resource>(diagramMap.size());
 185                 diagramNames = new ArrayList<String>(diagramMap.size());
 186                 diagramMap.entrySet()
 187                         .stream()
 188                         .sorted(Comparator.comparing(e -> e.getValue()))
 189                         .forEachOrdered(e -> {
 190                                 diagrams.add(e.getKey());
 191                                 diagramNames.add(e.getValue());
 192                         });
 193
 194                 name = elementSelector != null ? elementSelector.getName() : "";
 195                 propertyName = "";
 196                 numberOfItems = 1;
 197                 generatorIndex = 0;
 198                 selectorIndex = 0;
 199                 diagram = null;
 200                 condition = null;
 201
 202                 if (elementSelector != null) {
 203                         Generator generator = elementSelector.getGenerator();
 204                         if (generator instanceof ModelGenerator) {
 205                                 generatorIndex = 0;
 206                         }
 207                         else if (generator instanceof DiagramGenerator) {
 208                                 generatorIndex = 1;
 209                                 diagram = ((DiagramGenerator)generator).diagram;
 210                         }
 211                         else if (generator instanceof ExplicitGenerator) {
 212                                 generatorIndex = 2;
 213                         }
 214                         else {
 215                                 throw new IllegalStateException("Unknown generator type " + generator.getClass().getName());
 216                         }
 217
 218                         Selector selector = elementSelector.getSelector();
 219                         if (selector instanceof All) {
 220                                 selectorIndex = 0;
 221                         }
 222                         else if (selector instanceof PropertySelector) {
 223                                 PropertySelector propertySelector = (PropertySelector)selector;
 224                                 selectorIndex = propertySelector.smallest ? 1 : 2;
 225                                 propertyName = propertySelector.propertyName;
 226                                 numberOfItems = propertySelector.resultCount;
 227                         }
 228                         else {
 229                                 throw new IllegalStateException("Unknwon selector type " + selector.getClass().getName());
 230                         }
 231
 232                         condition = elementSelector.getCondition();
 233
 234                         componentType = elementSelector.getSelector().componentType;
 235                 }
 236
 237                 readRegions(diagram);
 238                 readRoutes();
 239                 readComponentTypes();
 240                 updatePropertyList();
 241         }
 242
 243         private void readComponentTypes() {
 244                 try {
 245                         Simantics.getSession().syncRequest(new ReadRequest() {
 246                                 @Override
 247                                 public void run(ReadGraph graph) throws DatabaseException {
 248                                         Layer0 L0 = Layer0.getInstance(graph);
 249                                         List<Resource> types = findComponentTypes(graph);
 250
 251                                         componentTypes = new ArrayList<>(types.size() + 1);
 252                                         componentTypeNames = new ArrayList<>(types.size() + 1);
 253
 254                                         componentTypes.add(null);
 255                                         componentTypeNames.add("Any type");
 256                                         componentTypes.addAll(types);
 257                                         for (Resource t : types) {
 258                                                 componentTypeNames.add(graph.getValue2(t, L0.HasName));
 259                                         }
 260                                 }
 261                         });
 262                 } catch (DatabaseException e) {
 263                         LOGGER.error("Failed to read district component types", e);
 264                 }
 265         }
 266
 267         private void readRoutes() {
 268                 final Map<Resource, String> routes = new HashMap<>();
 269
 270                 try {
 271                         Simantics.getSession().syncRequest(new ReadRequest() {
 272                                 @Override
 273                                 public void run(ReadGraph graph) throws DatabaseException {
 274                                         Layer0 L0 = Layer0.getInstance(graph);
 275                                         RouteResource ROUTE = RouteResource.getInstance(graph);
 276
 277                                         Resource model = ActiveModels.getPossibleActiveModel(graph, Simantics.getProjectResource());
 278                                         List<Resource> routeCollection = QueryIndexUtils.searchByType(graph, model, ROUTE.Route);
 279                                         for (Resource r : routeCollection) {
 280                                                 String name = graph.getRelatedValue(r, L0.HasLabel);
 281                                                 routes.put(r, name);
 282                                         }
 283                                 }
 284                         });
 285                 } catch (DatabaseException e) {
 286                         LOGGER.error("Failed to read routes in the model", e);
 287                 }
 288
 289                 routeNames = routes.values().toArray(new String[routes.size()]);
 290                 routeResources = routes.keySet().toArray(new Resource[routes.size()]);
 291         }
 292
 293         private void readRegions(Resource diagram) {
 294                 final Map<Resource, String> regions = new HashMap<>();
 295
 296                 try {
 297                         Simantics.getSession().syncRequest(new ReadRequest() {
 298                                 @Override
 299                                 public void run(ReadGraph graph) throws DatabaseException {
 300                                         Layer0 L0 = Layer0.getInstance(graph);
 301                                         ModelingResources MOD = ModelingResources.getInstance(graph);
 302                                         DiagramRegionsResource DR = DiagramRegionsResource.getInstance(graph);
 303
 304                                         // If a specific diagram is given, use that
 305                                         Collection<Resource> ds = diagram != null ? Collections.singleton(diagram) : diagrams;
 306
 307                                         for (Resource composite : ds) {
 308                                                 Resource diagram = graph.getSingleObject(composite, MOD.CompositeToDiagram);
 309                                                 for (Resource r : graph.getObjects(diagram, DR.hasRegion)) {
 310                                                         if (!graph.isInstanceOf(r, DR.Region))
 311                                                                 continue;
 312                                                         String name = graph.getRelatedValue(r, L0.HasLabel);
 313                                                         regions.put(r, name);
 314                                                 }
 315                                         }
 316                                 }
 317                         });
 318                 } catch (DatabaseException e) {
 319                         LOGGER.error("Failed to read regions in the model", e);
 320                 }
 321
 322                 regionNames = regions.values().toArray(new String[regions.size()]);
 323                 regionResources = regions.keySet().toArray(new Resource[regions.size()]);
 324         }
 325
 326         private void updateDialog() {
 327                 try {
 328                         updater.update(false);
 329                 } catch (ValidationException e) {
 330                         // Should not happend with argument false
 331                         assert(false);
 332                 }
 333
 334                 updater = updateConditionPanel();
 335
 336                 content.layout(true, true);
 337                 getShell().pack();
 338         }
 339
 340         @Override
 341         protected void okPressed() {
 342                 try {
 343                         generatorIndex = sourceField.getSelectionIndex();
 344                         if (generatorIndex == 1) {
 345                                 int selectionIndex = diagramField.getSelectionIndex();
 346                                 if (selectionIndex < 0) {
 347                                         diagramField.setFocus();
 348                                         throw new ValidationException("Please select a diagram");
 349                                 }
 350
 351                                 diagram = diagrams.get(selectionIndex);
 352                         }
 353
 354                         name = nameField.getText();
 355                         if (name.isEmpty()) {
 356                                 nameField.setFocus();
 357                                 throw new ValidationException("Please enter a name");
 358                         }
 359
 360                         componentType = componentTypes.get(componentTypeField.getSelectionIndex());
 361                         selectorIndex = selectorField.getSelectionIndex();
 362                         int propertyIndex = propertyField.getSelectionIndex();
 363                         propertyName = propertyIndex >= 0 ? propertyNames.get(propertyIndex) : propertyField.getText();
 364                         if (propertyName.isEmpty()) {
 365                                 propertyField.setFocus();
 366                                 throw new ValidationException("Please select a property");
 367                         }
 368
 369                         // Try to parse number of items
 370                         if (useNumberOfItems()) {
 371                                 try {
 372                                         numberOfItems = Integer.parseInt(nField.getText());
 373                                         if (numberOfItems <= 0) {
 374                                                 nField.selectAll();
 375                                                 nField.setFocus();
 376                                                 throw new ValidationException("Number of elements must be positive");
 377                                         }
 378                                 } catch (NumberFormatException e) {
 379                                         nField.selectAll();
 380                                         nField.setFocus();
 381                                         throw new ValidationException("Please enter a valid number of elements");
 382                                 }
 383                         }
 384
 385                         // To to update condition definitions
 386                         updater.update(true);
 387                 } catch (ValidationException e) {
 388                         MessageDialog.openError(this.getShell(), "Missing data", e.getMessage());
 389                         return;
 390                 }
 391
 392                 super.okPressed();
 393         }
 394
 395         public void writeSelection() throws DatabaseException {
 396                 Simantics.getSession().syncRequest(new WriteRequest() {
 397                         @Override
 398                         public void perform(WriteGraph graph) throws DatabaseException {
 399                                 Layer0 L0 = Layer0.getInstance(graph);
 400                                 ElementSelectionResource ES = ElementSelectionResource.getInstance(graph);
 401                                 ModelingResources MOD = ModelingResources.getInstance(graph);
 402                                 DiagramResource DIA = DiagramResource.getInstance(graph);
 403
 404                                 graph.markUndoPoint();
 405                                 Layer0Utils.addCommentMetadata(graph, "Created new element selection");
 406
 407                                 Resource lib = ElementSelectionUtils.ensureSelectionLibrary(graph);
 408
 409                                 // Selection
 410                                 Resource selection;
 411                                 if (elementSelector != null) {
 412                                         selection = elementSelector.getResource();
 413                                         graph.deny(selection);
 414                                 }
 415                                 else {
 416                                         selection = graph.newResource();
 417                                 }
 418
 419                                 graph.claim(selection, L0.InstanceOf, ES.Selection);
 420                                 graph.claimLiteral(selection, L0.HasName, L0.String, UUID.randomUUID().toString());
 421                                 graph.claimLiteral(selection, L0.HasLabel, L0.String, name);
 422                                 graph.claim(selection, L0.PartOf, lib);
 423
 424                                 // Generator
 425                                 Resource generator = graph.newResource();
 426                                 Resource generatorType;
 427                                 switch (generatorIndex) {
 428                                 case 0:
 429                                         generatorType = ES.Generator_Model;
 430                                         break;
 431                                 case 1:
 432                                         generatorType = ES.Generator_Diagram;
 433                                         Resource composite = graph.getPossibleObject(diagram, MOD.DiagramToComposite);
 434                                         graph.claim(generator, ES.Generator_HasDiagram, composite != null ? composite : diagram);
 435                                         break;
 436                                 case 2:
 437                                         generatorType = ES.Generator_Explicit;
 438                                         for (Resource r : currentSelection) {
 439                                                 // No connections
 440                                                 if (graph.isInstanceOf(r, DIA.Connection))
 441                                                         continue;
 442                                                 if (!graph.isInstanceOf(r, DIA.Element)) {
 443                                                         if (!graph.hasStatement(r, MOD.ComponentToElement))
 444                                                                 continue;
 445
 446                                                         r = graph.getPossibleObject(r, MOD.ComponentToElement);
 447                                                         if (r == null)
 448                                                                 continue;
 449                                                 }
 450
 451                                                 graph.claim(generator, ES.Generator_HasSelectedElement, r);
 452                                         }
 453                                         break;
 454                                 default: throw new IllegalStateException("Invalid source index " + generatorIndex);
 455                                 }
 456                                 graph.claim(generator, L0.InstanceOf, generatorType);
 457                                 graph.claim(selection, ES.Selection_HasGenerator, generator);
 458
 459                                 // Selector
 460                                 Resource selector = graph.newResource();
 461                                 Resource selectorType;
 462                                 switch (selectorIndex) {
 463                                 case 0: selectorType = ES.Selector_All; break;
 464                                 case 1: selectorType = ES.Selector_NLowest; break;
 465                                 case 2: selectorType = ES.Selector_NHighest; break;
 466                                 default: throw new IllegalStateException("Invalid selector index " + selectorIndex);
 467                                 }
 468                                 graph.claim(selector, L0.InstanceOf, selectorType);
 469                                 graph.claim(selection, ES.Selection_HasSelector, selector);
 470                                 graph.deny(selector, ES.Selector_HasMapping);
 471                                 if (componentType != null)
 472                                         graph.claim(selector, ES.Selector_HasMapping, componentType);
 473
 474                                 if (selectorIndex > 0) {
 475                                         graph.claimLiteral(selector, ES.PropertySelector_HasSelectionPropertyName, L0.String, propertyName);
 476                                         graph.claimLiteral(selector, ES.PropertySelector_HasResultCount, L0.Integer, numberOfItems);
 477                                 }
 478
 479                                 // Condition
 480                                 if (condition != null) {
 481                                         Resource conditionResource = condition.update(graph);
 482                                         graph.claim(selection, ES.Selection_HasCondition, conditionResource);
 483                                 }
 484                         }
 485                 });
 486         }
 487
 488         private boolean isDiagramFieldVisible() {
 489                 return generatorIndex == 1;
 490         }
 491
 492         private boolean useNumberOfItems() {
 493                 return selectorIndex != 0;
 494         }
 495
 496         @Override
 497         protected Control createDialogArea(Composite parent) {
 498                 this.resourceManager = new LocalResourceManager(JFaceResources.getResources(), parent);
 499
 500                 // Set dialog title
 501                 getShell().setText("Edit element selector");
 502
 503                 content = new Composite(parent, SWT.NONE);
 504                 GridLayoutFactory.swtDefaults().numColumns(2).applyTo(content);
 505
 506                 // Name
 507                 Label nameLabel = new Label(content, SWT.NONE);
 508                 nameLabel.setText("Name");
 509                 GridDataFactory.swtDefaults().applyTo(nameLabel);
 510
 511                 nameField = new Text(content, SWT.BORDER);
 512                 nameField.setEditable(true);
 513                 nameField.setText(name);
 514                 GridDataFactory.swtDefaults().hint(200, SWT.DEFAULT).applyTo(nameField);
 515
 516                 // Selector
 517                 Label selectorLabel = new Label(content, SWT.NONE);
 518                 selectorLabel.setText("Select");
 519                 GridDataFactory.swtDefaults().applyTo(selectorLabel);
 520
 521                 Composite selectorComposite = new Composite(content, SWT.NONE);
 522                 GridDataFactory.swtDefaults().applyTo(selectorComposite);
 523                 RowLayoutFactory.fillDefaults().applyTo(selectorComposite);
 524
 525                 nField = new Text(selectorComposite, SWT.BORDER);
 526                 RowDataFactory.swtDefaults().hint(40, SWT.DEFAULT).applyTo(nField);
 527                 if (useNumberOfItems())
 528                         nField.setText(Integer.toString(numberOfItems));
 529                 nField.setEnabled(useNumberOfItems());
 530
 531                 componentTypeField = new Combo(selectorComposite, SWT.READ_ONLY);
 532                 RowDataFactory.swtDefaults().applyTo(componentTypeField);
 533                 componentTypeField.setItems(componentTypeNames.toArray(new String[] {}));
 534                 {
 535                         int index = componentTypes.indexOf(componentType);
 536                         componentTypeField.select(index >= 0 ? index : 0);
 537                 }
 538
 539                 // Update property selection controls when component type changes
 540                 componentTypeField.addSelectionListener(new SelectionAdapter() {
 541                         @Override
 542                         public void widgetSelected(SelectionEvent e) {
 543                                 int index = componentTypeField.getSelectionIndex();
 544                                 componentType = index >= 0 ? componentTypes.get(index) : null;
 545                                 updatePropertyList();
 546                                 propertyField.setItems(propertyLabels.toArray(new String[] {}));
 547
 548                                 updateDialog();
 549                         }
 550                 });
 551
 552                 new Label(selectorComposite, SWT.NONE).setText("with");
 553
 554                 selectorField = new Combo(selectorComposite, SWT.BORDER | SWT.READ_ONLY);
 555                 selectorField.setItems("All", "Lowest", "Highest");
 556                 selectorField.select(selectorIndex);
 557                 RowDataFactory.swtDefaults().hint(40, SWT.DEFAULT).applyTo(selectorField);
 558
 559                 propertyField = new Combo(selectorComposite, SWT.NONE);
 560                 RowDataFactory.swtDefaults().hint(120, SWT.DEFAULT).applyTo(propertyField);
 561                 propertyField.setItems(propertyLabels.toArray(new String[] {}));
 562                 {
 563                         int index = propertyName != null ? propertyNames.indexOf(propertyName) : -1;
 564                         if (index >= 0)
 565                                 propertyField.select(index);
 566                         else
 567                                 propertyField.setText(propertyName != null ? propertyName : "");
 568                 }
 569                 propertyField.setEnabled(useNumberOfItems());
 570
 571                 selectorField.addSelectionListener(new SelectionAdapter() {
 572                         @Override
 573                         public void widgetSelected(SelectionEvent e) {
 574                                 selectorIndex = selectorField.getSelectionIndex();
 575
 576                                 boolean enable = useNumberOfItems();
 577                                 nField.setEnabled(enable);
 578                                 propertyField.setEnabled(enable);
 579
 580                                 nField.setText(enable ? Integer.toString(numberOfItems) : "");
 581                         }
 582                 });
 583
 584                 // Source
 585                 Label sourceLabel = new Label(content, SWT.NONE);
 586                 sourceLabel.setText("from");
 587                 GridDataFactory.swtDefaults().align(SWT.BEGINNING, SWT.CENTER).applyTo(sourceLabel);
 588
 589                 Composite sourceComposite = new Composite(content, SWT.NONE);
 590                 GridDataFactory.swtDefaults().applyTo(sourceComposite);
 591                 RowLayoutFactory.fillDefaults().applyTo(sourceComposite);
 592
 593                 sourceField = new Combo(sourceComposite, SWT.BORDER | SWT.READ_ONLY);
 594                 RowDataFactory.swtDefaults().applyTo(sourceField);
 595                 sourceField.setItems("Whole model", "Diagram", "Current selection");
 596                 sourceField.select(generatorIndex);
 597
 598                 diagramField = new Combo(sourceComposite, SWT.BORDER | SWT.READ_ONLY);
 599                 RowDataFactory.swtDefaults().hint(120, SWT.DEFAULT).applyTo(diagramField);
 600                 diagramField.setItems(diagramNames.toArray(new String[diagramNames.size()]));
 601                 diagramField.setEnabled(isDiagramFieldVisible());
 602
 603                 diagramIndex = diagram != null ? diagrams.indexOf(diagram) : -1;
 604                 diagramField.select(diagramIndex);
 605
 606                 sourceField.addSelectionListener(new SelectionAdapter() {
 607                         @Override
 608                         public void widgetSelected(SelectionEvent e) {
 609                                 generatorIndex = sourceField.getSelectionIndex();
 610                                 boolean enabled = isDiagramFieldVisible();
 611                                 if (!enabled) {
 612                                         diagramIndex = diagramField.getSelectionIndex();
 613                                         diagramField.clearSelection();
 614                                 } else {
 615                                         if (diagramIndex >= 0)
 616                                                 diagramField.select(diagramIndex);
 617                                         else
 618                                                 diagramField.clearSelection();
 619                                 }
 620                                 diagramField.setEnabled(enabled);
 621
 622                                 // Refresh list of regions for current diagram
 623                                 diagram = enabled ? (diagramIndex >= 0 ? diagrams.get(diagramIndex) : null) : null;
 624                                 readRegions(diagram);
 625                                 updateDialog();
 626                         }
 627                 });
 628
 629                 sourceField.select(generatorIndex);
 630
 631                 // Condition
 632                 Label label = new Label(content, SWT.NONE);
 633                 GridDataFactory.swtDefaults().align(SWT.BEGINNING, SWT.CENTER).applyTo(label);
 634                 label.setText("where");
 635
 636                 conditionPanel = new Composite(content, SWT.NONE);
 637                 GridDataFactory.swtDefaults().span(1, 2).minSize(400, SWT.DEFAULT).grab(true, false).applyTo(conditionPanel);
 638                 GridLayoutFactory.fillDefaults().numColumns(2).applyTo(conditionPanel);
 639
 640                 updater = updateConditionPanel();
 641
 642                 return content;
 643         }
 644
 645         private Updater updateConditionPanel() {
 646                 // Erase contents
 647                 for (Widget c : conditionPanel.getChildren())
 648                         c.dispose();
 649
 650                 return createConditionPanelFor(conditionPanel, condition, cond -> condition = cond);
 651         }
 652
 653         private Updater createConditionPanelFor(final Composite parent, final Condition condition, final Consumer<Condition> consumer) {
 654                 // Create new contents
 655                 Button notCheck = new Button(parent, SWT.CHECK);
 656                 GridDataFactory.swtDefaults().align(SWT.BEGINNING, SWT.BEGINNING).applyTo(notCheck);
 657                 notCheck.setText("not");
 658                 notCheck.setSelection(condition != null && condition.isInverse);
 659
 660                 Composite conditionComp = new Composite(parent, SWT.NONE);
 661                 GridDataFactory.fillDefaults().applyTo(conditionComp);
 662
 663                 Combo typeCombo = new Combo(conditionComp, SWT.BORDER | SWT.READ_ONLY);
 664                 typeCombo.setItems(
 665                                 "No condition",
 666                                 "Property",
 667                                 "In region",
 668                                 "On route",
 669                                 "All of",
 670                                 "Any of"
 671                         );
 672
 673                 typeCombo.addSelectionListener(new ConditionTypeSelectionListener(typeCombo, consumer, condition));
 674
 675                 final Updater updater;
 676                 if (condition instanceof PropertyCondition) {
 677                         typeCombo.select(1);
 678                         updater = createPropertyConditionPanel(conditionComp, (PropertyCondition)condition);
 679                 } else if (condition instanceof RegionCondition) {
 680                         typeCombo.select(2);
 681                         updater = createRegionConditionPanel(conditionComp, (RegionCondition)condition);
 682                 } else if (condition instanceof RouteCondition) {
 683                         typeCombo.select(3);
 684                         updater = createRouteConditionPanel(conditionComp, (RouteCondition)condition);
 685                 } else if (condition instanceof AggregateCondition) {
 686                         AggregateCondition cond = (AggregateCondition) condition;
 687                         typeCombo.select(cond.type.equals(Type.CONJUNCTION) ? 4 : 5);
 688                         updater = createAggregateConditionPanel(conditionComp, cond);
 689                 } else {
 690                         ROW_LAYOUT.applyTo(conditionComp);
 691                         notCheck.setEnabled(false);
 692                         typeCombo.select(0);
 693                         return NULL_UPDATE;
 694                 }
 695
 696                 return validate -> {
 697                         updater.update(validate);
 698                         condition.isInverse = notCheck.getSelection();
 699                 };
 700         }
 701
 702         private final class ConditionTypeSelectionListener extends SelectionAdapter {
 703                 private final Combo typeCombo;
 704                 private final Consumer<Condition> consumer;
 705                 private final Condition finalCondition;
 706
 707                 private ConditionTypeSelectionListener(Combo typeCombo, Consumer<Condition> consumer, Condition finalCondition) {
 708                         this.typeCombo = typeCombo;
 709                         this.consumer = consumer;
 710                         this.finalCondition = finalCondition;
 711                 }
 712
 713                 @Override
 714                 public void widgetSelected(SelectionEvent e) {
 715                         int index = typeCombo.getSelectionIndex();
 716                         Condition newCondition = finalCondition;
 717                         switch (index) {
 718                         case 0:
 719                                 newCondition = null;
 720                                 break;
 721                         case 1:
 722                                 newCondition = createPropertyCondition("", null, null);
 723                                 break;
 724                         case 2:
 725                                 newCondition = createRegionCondition(null);
 726                                 break;
 727                         case 3:
 728                                 newCondition = createRouteCondition(null);
 729                                 break;
 730                         case 4:
 731                                 if (newCondition instanceof AggregateCondition)
 732                                         ((AggregateCondition)newCondition).type = Type.CONJUNCTION;
 733                                 else
 734                                         newCondition = createAggregateCondition(null, new ArrayList<>(), true, false);
 735                                 break;
 736                         case 5:
 737                                 if (newCondition instanceof AggregateCondition)
 738                                         ((AggregateCondition)newCondition).type = Type.DISJUNCTION;
 739                                 else
 740                                         newCondition = createAggregateCondition(null, new ArrayList<>(), false, false);
 741                                 break;
 742                         }
 743
 744                         consumer.accept(newCondition);
 745
 746                         updateDialog();
 747                 }
 748         }
 749
 750         private Updater createAggregateConditionPanel(Composite conditionComp, AggregateCondition cond) {
 751                 GridLayoutFactory.fillDefaults().numColumns(2).applyTo(conditionComp);
 752                 new Label(conditionComp, SWT.NONE); // Eat extra column
 753
 754                 int n = cond.conditions.size();
 755                 final Updater[] updates = new Updater[n];
 756                 for (int i = 0; i < n; i++) {
 757                         updates[i] = createConditionRowPanel(conditionComp, cond, i);
 758                 }
 759
 760                 Button addButton = new Button(conditionComp, SWT.PUSH);
 761                 GridDataFactory.swtDefaults().applyTo(addButton);
 762                 addButton.setImage(resourceManager.createImage(PLUS_IMAGE));
 763
 764                 addButton.addSelectionListener(new SelectionAdapter() {
 765                         @Override
 766                         public void widgetSelected(SelectionEvent e) {
 767                                 cond.conditions.add(createPropertyCondition("", null, null));
 768                                 updateDialog();
 769                         }
 770                 });
 771
 772                 return validate -> {
 773                         for (Updater updater : updates)
 774                                 updater.update(validate);
 775                 };
 776         }
 777
 778         private Updater createConditionRowPanel(Composite parent, AggregateCondition parentCondition, final int i) {
 779                 GridLayoutFactory conditionLayout = GridLayoutFactory.fillDefaults().numColumns(2);
 780                 GridDataFactory swtDefaults = GridDataFactory.swtDefaults();
 781
 782                 Condition c = parentCondition.conditions.get(i);
 783
 784                 Composite row = new Composite(parent, SWT.NONE);
 785                 conditionLayout.applyTo(row);
 786                 swtDefaults.applyTo(row);
 787
 788                 Consumer<Condition> update = cd -> {
 789                         if (cd != null)
 790                                 parentCondition.conditions.set(i, cd);
 791                         else
 792                                 parentCondition.conditions.remove(i);
 793                 };
 794
 795                 Updater updater = createConditionPanelFor(row, c, update);
 796
 797                 Button removeButton = new Button(parent, SWT.PUSH);
 798                 swtDefaults.align(SWT.BEGINNING, SWT.BEGINNING).applyTo(removeButton);
 799                 removeButton.setImage(resourceManager.createImage(CROSS_IMAGE));
 800
 801                 removeButton.addSelectionListener(new SelectionAdapter() {
 802                         @Override
 803                         public void widgetSelected(SelectionEvent e) {
 804                                 parentCondition.conditions.remove(i);
 805                                 updateDialog();
 806                         }
 807                 });
 808
 809                 return updater;
 810         }
 811
 812         private Updater createRouteConditionPanel(Composite conditionComp, RouteCondition condition) {
 813                 ROW_LAYOUT.applyTo(conditionComp);
 814
 815                 // Create combo-box
 816                 Combo routeCombo = new Combo(conditionComp, SWT.READ_ONLY);
 817                 RowDataFactory.swtDefaults().hint(120, SWT.DEFAULT).applyTo(routeCombo);
 818                 routeCombo.setItems(routeNames);
 819
 820                 // Set current selection
 821                 int index = Arrays.indexOf(routeResources, condition.routeResource);
 822                 if (index >= 0)
 823                         routeCombo.select(index);
 824
 825                 // Register update
 826                 return validate -> {
 827                         int i = routeCombo.getSelectionIndex();
 828                         if (validate && i < 0) {
 829                                 routeCombo.forceFocus();
 830                                 throw new RuntimeException("Must select a route");
 831                         }
 832
 833                         condition.routeResource = i >= 0 ? routeResources[i] : null;
 834                 };
 835         }
 836
 837         private Updater createRegionConditionPanel(Composite conditionComp, RegionCondition condition) {
 838                 ROW_LAYOUT.applyTo(conditionComp);
 839
 840                 // Create combo-box
 841                 Combo regionCombo = new Combo(conditionComp, SWT.READ_ONLY);
 842                 RowDataFactory.swtDefaults().hint(120, SWT.DEFAULT).applyTo(regionCombo);
 843                 regionCombo.setItems(regionNames);
 844
 845                 // Set current selection
 846                 int index = Arrays.indexOf(regionResources, condition.regionResource);
 847                 if (index >= 0)
 848                         regionCombo.select(index);
 849
 850                 // Register update
 851                 return validate -> {
 852                         int i = regionCombo.getSelectionIndex();
 853                         if (validate && i < 0) {
 854                                 regionCombo.forceFocus();
 855                                 throw new ValidationException("Please select a region");
 856                         }
 857
 858                         condition.regionResource = i >= 0 ? regionResources[i] : null;
 859                 };
 860         }
 861
 862         private Updater createPropertyConditionPanel(Composite conditionComp, PropertyCondition condition) {
 863                 ROW_LAYOUT.applyTo(conditionComp);
 864
 865                 Text lowerLimitText = new Text(conditionComp, SWT.BORDER);
 866                 RowDataFactory.swtDefaults().hint(40, SWT.DEFAULT).applyTo(lowerLimitText);
 867                 lowerLimitText.setText(condition.lowerLimit != null ? Double.toString(condition.lowerLimit) : "");
 868
 869                 new Label(conditionComp, SWT.NONE).setText("\u2264");
 870
 871                 Combo propertyNameText = new Combo(conditionComp, SWT.NONE);
 872                 RowDataFactory.swtDefaults().hint(120, SWT.DEFAULT).applyTo(propertyNameText);
 873                 propertyNameText.setItems(propertyLabels.toArray(new String[] {}));
 874                 int index = propertyNames.indexOf(condition.propertyName);
 875                 if (index >= 0)
 876                         propertyNameText.select(index);
 877                 else
 878                         propertyNameText.setText(condition.propertyName);
 879
 880                 new Label(conditionComp, SWT.NONE).setText("\u2264");
 881
 882                 Text upperLimitText = new Text(conditionComp, SWT.BORDER);
 883                 RowDataFactory.swtDefaults().hint(40, SWT.DEFAULT).applyTo(upperLimitText);
 884                 upperLimitText.setText(condition.upperLimit != null ? Double.toString(condition.upperLimit) : "");
 885
 886                 // Register update
 887                 return validate ->  {
 888                         try {
 889                                 String text = lowerLimitText.getText();
 890                                 condition.lowerLimit = text.isEmpty() ? null : Double.parseDouble(text);
 891                         } catch (NumberFormatException e) {
 892                                 if (validate) {
 893                                         lowerLimitText.selectAll();
 894                                         lowerLimitText.forceFocus();
 895                                         throw new ValidationException("Please enter a valid lower limit");
 896                                 }
 897                         }
 898
 899                         try {
 900                                 String text = upperLimitText.getText();
 901                                 condition.upperLimit = text.isEmpty() ? null : Double.parseDouble(text);
 902                         } catch (NumberFormatException e) {
 903                                 if (validate) {
 904                                         upperLimitText.selectAll();
 905                                         upperLimitText.forceFocus();
 906                                         throw new ValidationException("Please enter a valid upper limit");
 907                                 }
 908                         }
 909
 910                         int ind = propertyNameText.getSelectionIndex();
 911                         String name;
 912                         if (ind >= 0)
 913                                 name = propertyNames.get(ind);
 914                         else
 915                                 name = propertyNameText.getText();
 916
 917                         if (validate && name.isEmpty()) {
 918                                 propertyNameText.forceFocus();
 919                                 throw new ValidationException("Please select a property");
 920                         } else {
 921                                 condition.propertyName = name;
 922                         }
 923                 };
 924         }
 925
 926         private static Condition createPropertyCondition(String propertyName, Double lowerLimit, Double upperLimit) {
 927                 return new PropertyCondition(null, propertyName, lowerLimit, upperLimit);
 928         }
 929
 930         private static Condition createRegionCondition(Resource regionResource) {
 931                 return new RegionCondition(null, regionResource, null);
 932         }
 933
 934         private static Condition createRouteCondition(Resource route) {
 935                 return new RouteCondition(null, route, null);
 936         }
 937
 938         private static Condition createAggregateCondition(Resource existingResource, List<Condition> subConditions, boolean isConjunction, boolean isInverse) {
 939                 Type type = isConjunction ? Type.CONJUNCTION : Type.DISJUNCTION;
 940                 AggregateCondition condition = new AggregateCondition(null, type, subConditions);
 941                 condition.isInverse = isInverse;
 942                 return condition;
 943         }
 944
 945         static List<Resource> findComponentTypes(ReadGraph graph) throws DatabaseException {
 946                 DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
 947                 Resource project = Simantics.getProjectResource();
 948                 Resource model = ActiveModels.getPossibleActiveModel(graph, project);
 949
 950                 return QueryIndexUtils.searchByType(graph, model, DN.Mapping_Base);
 951         }
 952
 953         void updatePropertyList() {
 954                 propertyNames = new ArrayList<>();
 955                 propertyLabels = new ArrayList<>();
 956
 957                 Collection<Resource> types = componentType != null ? Collections.singleton(componentType) : componentTypes;
 958                 Set<Pair<String, String>> properties = new HashSet<>();
 959
 960                 try {
 961                         Simantics.getSession().syncRequest(new ReadRequest() {
 962                                 @Override
 963                                 public void run(ReadGraph graph) throws DatabaseException {
 964                                         Layer0 L0 = Layer0.getInstance(graph);
 965
 966                                         for (Resource type : types) {
 967                                                 if (type == null)
 968                                                         continue;
 969
 970                                                 Resource ct = graph.getPossibleObject(type, DistrictNetworkResource.getInstance(graph).Mapping_ComponentType);
 971                                                 if (ct == null)
 972                                                         continue;
 973
 974                                                 if (graph.isInstanceOf(ct, L0.String)) {
 975                                                         Resource indexRoot = graph.syncRequest(new IndexRoot(type));
 976                                                         String name = graph.getValue(ct);
 977                                                         ct = GraphUtils.getPossibleChild(graph, indexRoot, name);
 978                                                         if (ct == null)
 979                                                                 continue;
 980                                                 }
 981
 982                                                 for (Resource prop : graph.getObjects(ct, L0.DomainOf)) {
 983                                                         if (!graph.isInstanceOf(prop, StructuralResource2.getInstance(graph).Property))
 984                                                                 continue;
 985
 986                                                         // Filter only numeric properties
 987                                                         PropertyInfo info = graph.syncRequest(new PropertyInfoRequest(prop));
 988                                                         if (info != null && info.requiredValueType != null && !isNumericValueType(info.requiredValueType))
 989                                                                 continue;
 990
 991                                                         String name = graph.getRelatedValue2(prop, L0.HasName);
 992                                                         String label = graph.getPossibleRelatedValue2(prop, L0.HasLabel);
 993                                                         if (label == null) label = name;
 994
 995                                                         properties.add(Pair.make(label, name));
 996                                                 }
 997                                         }
 998                                 }
 999                         });
1000                 } catch (DatabaseException e) {
1001                         LOGGER.error("Failed to read district component properties", e);
1002                 }
1003
1004                 propertyNames.clear();
1005                 propertyLabels.clear();
1006                 properties.stream().sorted(Comparator.comparing(p -> p.first)).forEachOrdered(p -> {
1007                         propertyLabels.add(p.first);
1008                         propertyNames.add(p.second);
1009                 });
1010         }
1011
1012         static boolean isNumericValueType(String requiredValueType) {
1013                 switch (requiredValueType) {
1014                 case "Integer":
1015                 case "Long":
1016                 case "Double":
1017                 case "Float":
1018                         return true;
1019                 default:
1020                         return false;
1021                 }
1022         }
1023 }