src/ModuleBase/ModuleBase_WidgetSelectionFilter.cpp

   1 // Copyright (C) 2014-2019  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19
  20 #include "ModuleBase_WidgetSelectionFilter.h"
  21 #include "ModuleBase_Tools.h"
  22 #include "ModuleBase_IWorkshop.h"
  23 #include "ModuleBase_ISelectionActivate.h"
  24 #include "ModuleBase_IModule.h"
  25 #include "ModuleBase_IViewer.h"
  26 #include "ModuleBase_IPropertyPanel.h"
  27 #include "ModuleBase_PageWidget.h"
  28 #include "ModuleBase_WidgetMultiSelector.h"
  29 #include "ModuleBase_ResultPrs.h"
  30 #include "ModuleBase_WidgetFactory.h"
  31
  32 #include <ModelAPI_Session.h>
  33 #include <ModelAPI_AttributeSelectionList.h>
  34 #include <ModelAPI_Events.h>
  35 #include <GeomAPI_ShapeExplorer.h>
  36
  37 #include <Events_Loop.h>
  38
  39 #include <AIS_InteractiveContext.hxx>
  40 #include <StdSelect_BRepOwner.hxx>
  41 #include <TopoDS_Compound.hxx>
  42 #include <BRep_Builder.hxx>
  43
  44 #include <QLayout>
  45 #include <QPushButton>
  46 #include <QLabel>
  47 #include <QComboBox>
  48 #include <QGroupBox>
  49 #include <QDialog>
  50 #include <QToolButton>
  51 #include <QCheckBox>
  52
  53 static FeaturePtr SelectorFeature;
  54 static std::string AttributeId;
  55
  56
  57 GeomAPI_Shape::ShapeType selectionType(const QString& theType)
  58 {
  59   QString aType = theType.toUpper();
  60   if ((aType == "VERTEX") || (aType == "VERTICES"))
  61     return GeomAPI_Shape::VERTEX;
  62   else if ((aType == "EDGE") || (aType == "EDGES"))
  63     return GeomAPI_Shape::EDGE;
  64   else if ((aType == "WIRE") || (aType == "WIRES"))
  65     return GeomAPI_Shape::WIRE;
  66   else if ((aType == "FACE") || (aType == "FACES"))
  67     return GeomAPI_Shape::FACE;
  68   else if ((aType == "SHELL") || (aType == "SHELLS"))
  69     return GeomAPI_Shape::SHELL;
  70   else if ((aType == "SOLID") || (aType == "SOLIDS"))
  71     return GeomAPI_Shape::SOLID;
  72   else if ((aType == "COMPSOLID") || (aType == "COMPSOLIDS"))
  73     return GeomAPI_Shape::COMPSOLID;
  74   else if ((aType == "COMPOUND") || (aType == "COMPOUNDS"))
  75     return GeomAPI_Shape::COMPOUND;
  76   else
  77     return GeomAPI_Shape::SHAPE;
  78 }
  79
  80
  81 ModuleBase_FilterStarter::ModuleBase_FilterStarter(const std::string& theFeature,
  82   QWidget* theParent, ModuleBase_IWorkshop* theWorkshop)
  83   : QWidget(theParent),
  84   myFeatureName(theFeature),
  85   myWorkshop(theWorkshop)
  86 {
  87   QHBoxLayout* aMainLayout = new QHBoxLayout(this);
  88   ModuleBase_Tools::adjustMargins(aMainLayout);
  89
  90   aMainLayout->addStretch(1);
  91   QPushButton* aLaunchBtn = new QPushButton(tr("Selection by filters"), this);
  92   connect(aLaunchBtn, SIGNAL(clicked()), SLOT(onFiltersLaunch()));
  93   aMainLayout->addWidget(aLaunchBtn);
  94
  95   myFilterLbl = new QLabel(this);
  96   myFilterLbl->setPixmap(QPixmap(":pictures/filter.png"));
  97   aMainLayout->addWidget(myFilterLbl);
  98
  99   myModifyLbl = new QLabel(this);
 100   myModifyLbl->setPixmap(QPixmap(":pictures/plus_minus.png"));
 101   aMainLayout->addWidget(myModifyLbl);
 102   aMainLayout->addStretch(1);
 103
 104   myFilterLbl->hide();
 105   myModifyLbl->hide();
 106 }
 107
 108 void ModuleBase_FilterStarter::onFiltersLaunch()
 109 {
 110   ModuleBase_Operation* aParentOp = myWorkshop->currentOperation();
 111   ModuleBase_OperationFeature* aFeatureOp = dynamic_cast<ModuleBase_OperationFeature*>(aParentOp);
 112   if (aFeatureOp)
 113     // Open transaction on filters operation finish
 114     aFeatureOp->openTransactionOnResume();
 115
 116   QWidget* aParent = parentWidget();
 117   ModuleBase_WidgetMultiSelector* aSelector =
 118     dynamic_cast<ModuleBase_WidgetMultiSelector*>(aParent);
 119   while (!aSelector) {
 120     aParent = aParent->parentWidget();
 121     aSelector = dynamic_cast<ModuleBase_WidgetMultiSelector*>(aParent);
 122   }
 123   if (!aSelector)
 124     return;
 125   SelectorFeature = aSelector->feature();
 126   AttributeId = aSelector->attributeID();
 127
 128   // Launch Filters operation
 129   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 130     (myWorkshop->module()->createOperation(myFeatureName));
 131   myWorkshop->processLaunchOperation(aFOperation);
 132 }
 133
 134 //*****************************************************************************
 135 //*****************************************************************************
 136 //*****************************************************************************
 137 ModuleBase_FilterItem::ModuleBase_FilterItem(
 138   const std::string& theFilter, ModuleBase_WidgetSelectionFilter* theParent)
 139   : QWidget(theParent->filtersWidget()), myFilterID(theFilter),
 140     mySelection(std::dynamic_pointer_cast<ModelAPI_FiltersFeature>(theParent->feature()))
 141 {
 142   std::string aXmlString = ModelAPI_Session::get()->filters()->filter(theFilter)->xmlRepresentation();
 143   if (aXmlString.length() == 0)
 144     addItemRow(this);
 145   else {
 146     ModuleBase_WidgetFactory aFactory(aXmlString, theParent->workshop());
 147     QVBoxLayout* aLayout = new QVBoxLayout(this);
 148     ModuleBase_Tools::zeroMargins(aLayout);
 149
 150     QWidget* aItemRow = new QWidget(this);
 151     addItemRow(aItemRow);
 152     aLayout->addWidget(aItemRow);
 153
 154     ModuleBase_PageWidget* aParamsWgt = new ModuleBase_PageWidget(this);
 155     aParamsWgt->setFrameStyle(QFrame::Box | QFrame::Raised);
 156     aFactory.createWidget(aParamsWgt);
 157     ModuleBase_Tools::zeroMargins(aParamsWgt->layout());
 158     myWidgets = aFactory.getModelWidgets();
 159     foreach(ModuleBase_ModelWidget* aWidget, myWidgets) {
 160       aWidget->setFeature(theParent->feature());
 161       connect(aWidget, SIGNAL(focusInWidget(ModuleBase_ModelWidget*)),
 162         theParent, SIGNAL(focusInWidget(ModuleBase_ModelWidget*)));
 163       connect(aWidget, SIGNAL(focusOutWidget(ModuleBase_ModelWidget*)),
 164         theParent, SIGNAL(focusOutWidget(ModuleBase_ModelWidget*)));
 165     }
 166     aLayout->addWidget(aParamsWgt);
 167   }
 168 }
 169
 170 void ModuleBase_FilterItem::addItemRow(QWidget* theParent)
 171 {
 172   QHBoxLayout* aLayout = new QHBoxLayout(theParent);
 173   ModuleBase_Tools::zeroMargins(aLayout);
 174
 175   // Reverse filter button
 176   myRevBtn = new QToolButton(theParent);
 177   myRevBtn->setCheckable(true);
 178   myRevBtn->setChecked(false);
 179   myRevBtn->setAutoRaise(true);
 180   myRevBtn->setIcon(QIcon(":pictures/add.png"));
 181   myRevBtn->setToolTip(tr("Reverse the filter"));
 182   connect(myRevBtn, SIGNAL(toggled(bool)), SLOT(onReverse(bool)));
 183   aLayout->addWidget(myRevBtn);
 184
 185   const std::string& aFilterName = ModelAPI_Session::get()->filters()->filter(myFilterID)->name();
 186   aLayout->addWidget(new QLabel(aFilterName.c_str(), theParent), 1);
 187
 188   QToolButton* aDelBtn = new QToolButton(theParent);
 189   aDelBtn->setIcon(QIcon(":pictures/delete.png"));
 190   aDelBtn->setAutoRaise(true);
 191   aDelBtn->setToolTip(tr("Delete the filter"));
 192   connect(aDelBtn, SIGNAL(clicked(bool)), SLOT(onDelete()));
 193   aLayout->addWidget(aDelBtn);
 194 }
 195
 196 void ModuleBase_FilterItem::onReverse(bool theCheck)
 197 {
 198   mySelection->setReversed(myFilterID, theCheck);
 199   if (theCheck)
 200     myRevBtn->setIcon(QIcon(":pictures/reverce.png"));
 201   else
 202     myRevBtn->setIcon(QIcon(":pictures/add.png"));
 203   emit reversedItem(this);
 204 }
 205
 206 void ModuleBase_FilterItem::onDelete()
 207 {
 208   emit deleteItem(this);
 209 }
 210
 211 QList<QWidget*>  ModuleBase_FilterItem::getControls() const
 212 {
 213   QList<QWidget*> aWidgetsList;
 214   foreach(ModuleBase_ModelWidget* aWgt, myWidgets) {
 215     QList<QWidget*> aSubList = aWgt->getControls();
 216     foreach(QWidget* aSub, aSubList) {
 217       aWidgetsList.append(aSub);
 218     }
 219   }
 220   return aWidgetsList;
 221 }
 222
 223
 224
 225 //*****************************************************************************
 226 //*****************************************************************************
 227 //*****************************************************************************
 228 ModuleBase_WidgetSelectionFilter::ModuleBase_WidgetSelectionFilter(QWidget* theParent,
 229   ModuleBase_IWorkshop* theWorkshop, const Config_WidgetAPI* theData)
 230   : ModuleBase_ModelWidget(theParent, theData),
 231   myWorkshop(theWorkshop),
 232   mySelectorFeature(SelectorFeature),
 233   mySelectorAttribute(AttributeId)
 234 {
 235   // Clear Old selection
 236   AttributePtr aAttr = SelectorFeature->attribute(AttributeId);
 237   AttributeSelectionListPtr aSelListAttr =
 238     std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(aAttr);
 239   mySelectionType = selectionType(aSelListAttr->selectionType().c_str());
 240   aSelListAttr->clear();
 241
 242   // Define widgets
 243   QVBoxLayout* aMainLayout = new QVBoxLayout(this);
 244   ModuleBase_Tools::adjustMargins(aMainLayout);
 245
 246   QGroupBox* aFiltersGroup = new QGroupBox(tr("Filters"), this);
 247   QVBoxLayout* aGroupLayout = new QVBoxLayout(aFiltersGroup);
 248   aGroupLayout->setContentsMargins(0, 0, 0, 0);
 249   aGroupLayout->setSpacing(0);
 250
 251   myFiltersWgt = new QWidget();
 252   myFiltersLayout = new QVBoxLayout(myFiltersWgt);
 253   myFiltersLayout->setContentsMargins(0, 0, 0, 0);
 254   aGroupLayout->addWidget(myFiltersWgt);
 255
 256   myFiltersCombo = new QComboBox(aFiltersGroup);
 257   myFiltersCombo->addItem(tr("Add new filter..."));
 258   SessionPtr aSession = ModelAPI_Session::get();
 259   std::list<FilterPtr> allFilters =
 260     aSession->filters()->filters((GeomAPI_Shape::ShapeType) mySelectionType);
 261   QStringList aItems;
 262   std::list<FilterPtr>::const_iterator aIt;
 263   for (aIt = allFilters.cbegin(); aIt != allFilters.cend(); aIt++) {
 264     aItems.push_back((*aIt)->name().c_str());
 265     myFilters.push_back(aSession->filters()->id(*aIt));
 266   }
 267   myFiltersCombo->addItems(aItems);
 268   connect(myFiltersCombo, SIGNAL(currentIndexChanged(int)), SLOT(onAddFilter(int)));
 269
 270   aGroupLayout->addWidget(myFiltersCombo);
 271   aMainLayout->addWidget(aFiltersGroup);
 272
 273   // Select Button
 274   QWidget* aBtnWgt = new QWidget(this);
 275   QHBoxLayout* aBtnLayout = new QHBoxLayout(aBtnWgt);
 276   ModuleBase_Tools::adjustMargins(aBtnLayout);
 277
 278   aBtnLayout->addStretch(1);
 279
 280   mySelectBtn = new QPushButton(tr("Select"), aBtnWgt);
 281   connect(mySelectBtn, SIGNAL(clicked()), SLOT(onSelect()));
 282   aBtnLayout->addWidget(mySelectBtn);
 283
 284   aMainLayout->addWidget(aBtnWgt);
 285
 286   // Label widgets
 287   QWidget* aLblWgt = new QWidget(this);
 288   QHBoxLayout* aLblLayout = new QHBoxLayout(aLblWgt);
 289   ModuleBase_Tools::zeroMargins(aLblLayout);
 290
 291   aLblLayout->addWidget(new QLabel(tr("Number of selected objects:"), aLblWgt));
 292
 293   myNbLbl = new QLabel("0", aLblWgt);
 294   aLblLayout->addWidget(myNbLbl);
 295
 296   // Show only button
 297   myShowBtn = new QCheckBox(tr("Show only"), this);
 298   connect(myShowBtn, SIGNAL(toggled(bool)), SLOT(onShowOnly(bool)));
 299   aLblLayout->addWidget(myShowBtn);
 300
 301   aMainLayout->addWidget(aLblWgt);
 302
 303   aMainLayout->addStretch(1);
 304
 305   updateSelectBtn();
 306 }
 307
 308 ModuleBase_WidgetSelectionFilter::~ModuleBase_WidgetSelectionFilter()
 309 {
 310   myValues.clear();
 311   if (!myPreview.IsNull()) {
 312     Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 313     aCtx->Remove(myPreview, false);
 314     myPreview.Nullify();
 315     if (myShowBtn->isChecked()) {
 316       AIS_ListOfInteractive::const_iterator aIt;
 317       Handle(AIS_Shape) aShapeIO;
 318       for (aIt = myListIO.cbegin(); aIt != myListIO.cend(); aIt++) {
 319         aShapeIO = Handle(AIS_Shape)::DownCast(*aIt);
 320         if (!aShapeIO.IsNull()) {
 321           aCtx->Display(aShapeIO, false);
 322         }
 323       }
 324     }
 325     aCtx->UpdateCurrentViewer();
 326   }
 327   SelectorFeature = FeaturePtr();
 328   AttributeId = "";
 329 }
 330
 331 void ModuleBase_WidgetSelectionFilter::onAddFilter(int theIndex)
 332 {
 333   if (theIndex == 0)
 334     return;
 335
 336   std::list<std::string>::iterator aIt;
 337   int i;
 338   std::string aFilter;
 339   for (aIt = myFilters.begin(), i = 0; aIt != myFilters.cend(); i++, aIt++) {
 340     if (i == (theIndex - 1)) {
 341       aFilter = (*aIt);
 342       myFilters.erase(aIt);
 343       break;
 344     }
 345   }
 346   if (!aFilter.empty()) {
 347     myUseFilters.push_back(aFilter);
 348     ModuleBase_FilterItem* aItem = new ModuleBase_FilterItem(aFilter, this);
 349     connect(aItem, SIGNAL(deleteItem(ModuleBase_FilterItem*)),
 350       SLOT(onDeleteItem(ModuleBase_FilterItem*)));
 351     connect(aItem, SIGNAL(reversedItem(ModuleBase_FilterItem*)),
 352       SLOT(onReverseItem(ModuleBase_FilterItem*)));
 353     myFiltersLayout->addWidget(aItem);
 354
 355     FiltersFeaturePtr aFiltersFeature =
 356       std::dynamic_pointer_cast<ModelAPI_FiltersFeature>(myFeature);
 357     aFiltersFeature->addFilter(aFilter);
 358   }
 359   updateSelectBtn();
 360   clearCurrentSelection(true);
 361   updateNumberSelected();
 362   myFiltersCombo->setCurrentIndex(0);
 363   myFiltersCombo->removeItem(theIndex);
 364
 365   enableFocusProcessing();
 366 }
 367
 368 void ModuleBase_WidgetSelectionFilter::onDeleteItem(ModuleBase_FilterItem* theItem)
 369 {
 370   std::string aFilter = theItem->filter();
 371   QList<ModuleBase_ModelWidget*> aWidgets = theItem->widgets();
 372   foreach(ModuleBase_ModelWidget* aWgt, aWidgets) {
 373     aWgt->deactivate();
 374   }
 375   myFiltersLayout->removeWidget(theItem);
 376   theItem->deleteLater();
 377
 378   myUseFilters.remove(aFilter);
 379   myFilters.push_back(aFilter);
 380   myFiltersCombo->addItem(ModelAPI_Session::get()->filters()->filter(aFilter)->name().c_str());
 381
 382   FiltersFeaturePtr aFiltersFeature =
 383     std::dynamic_pointer_cast<ModelAPI_FiltersFeature>(myFeature);
 384   aFiltersFeature->removeFilter(aFilter);
 385
 386   updateSelectBtn();
 387   clearCurrentSelection(true);
 388   updateNumberSelected();
 389
 390   enableFocusProcessing();
 391   myWorkshop->deactivateCurrentSelector();
 392   myWorkshop->selectionActivate()->updateSelectionModes();
 393   myWorkshop->selectionActivate()->updateSelectionFilters();
 394   redisplayFeature();
 395 }
 396
 397
 398 void ModuleBase_WidgetSelectionFilter::redisplayFeature()
 399 {
 400   static Events_ID aDispEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 401   ModelAPI_EventCreator::get()->sendUpdated(myFeature, aDispEvent);
 402   Events_Loop::loop()->flush(aDispEvent);
 403 }
 404
 405 void ModuleBase_WidgetSelectionFilter::onReverseItem(ModuleBase_FilterItem* theItem)
 406 {
 407   updateSelectBtn();
 408   clearCurrentSelection(true);
 409   updateNumberSelected();
 410 }
 411
 412 void ModuleBase_WidgetSelectionFilter::onSelect()
 413 {
 414   if (myUseFilters.size() == 0)
 415     return;
 416   Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 417   if (aCtx.IsNull())
 418     return;
 419
 420   clearCurrentSelection();
 421
 422   BRep_Builder aBuilder;
 423   TopoDS_Compound aComp;
 424   aBuilder.MakeCompound(aComp);
 425
 426   if (!myShowBtn->isChecked()) {
 427     myListIO.Clear();
 428     aCtx->DisplayedObjects(AIS_KOI_Shape, -1, myListIO);
 429     if (!myPreview.IsNull())
 430       myListIO.Remove(myPreview);
 431   }
 432   AIS_ListOfInteractive::const_iterator aIt;
 433   Handle(ModuleBase_ResultPrs) aShapeIO;
 434   for (aIt = myListIO.cbegin(); aIt != myListIO.cend(); aIt++) {
 435     aShapeIO = Handle(ModuleBase_ResultPrs)::DownCast(*aIt);
 436     if (!aShapeIO.IsNull()) {
 437       GeomShapePtr aShape(new GeomAPI_Shape);
 438       aShape->setImpl(new TopoDS_Shape(aShapeIO->Shape()));
 439       std::list<GeomShapePtr> aSubShapes =
 440         aShape->subShapes((GeomAPI_Shape::ShapeType)mySelectionType);
 441       std::list<GeomShapePtr>::const_iterator aShapesIt;
 442       for (aShapesIt = aSubShapes.cbegin(); aShapesIt != aSubShapes.cend(); aShapesIt++) {
 443         GeomShapePtr aShape = (*aShapesIt);
 444         SessionPtr aSession = ModelAPI_Session::get();
 445         bool isValid = aSession->filters()->isValid(myFeature, aShape);
 446         if (isValid) {
 447           TopoDS_Shape aTShape = aShape->impl<TopoDS_Shape>();
 448           Handle(StdSelect_BRepOwner) aOwner = new StdSelect_BRepOwner(aTShape, aShapeIO, true);
 449           aBuilder.Add(aComp, aTShape);
 450
 451           ModuleBase_ViewerPrsPtr aValue(new ModuleBase_ViewerPrs(aShapeIO->getResult(), aShape, aOwner));
 452           myValues.append(aValue);
 453         }
 454       }
 455     }
 456   }
 457   if (myValues.size() > 0)
 458     updatePreview(aComp);
 459   updateNumberSelected();
 460 }
 461
 462 void ModuleBase_WidgetSelectionFilter::updatePreview(const TopoDS_Shape& theShape)
 463 {
 464   Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 465   if (aCtx.IsNull())
 466     return;
 467
 468   if (myPreview.IsNull()) {
 469     myPreview = new AIS_Shape(theShape);
 470     //myPreview->SetDisplayMode(myShowBtn->isChecked()? AIS_Shaded : AIS_WireFrame);
 471     myPreview->SetDisplayMode(AIS_Shaded);
 472     myPreview->SetColor(Quantity_NOC_BLUE1);
 473     myPreview->SetTransparency();
 474     aCtx->Display(myPreview, true);
 475     aCtx->Deactivate(myPreview);
 476   }
 477   else {
 478     myPreview->Set(theShape);
 479     aCtx->Redisplay(myPreview, true);
 480   }
 481 }
 482
 483
 484 void ModuleBase_WidgetSelectionFilter::onShowOnly(bool theShow)
 485 {
 486   if (myPreview.IsNull())
 487     return;
 488   Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 489
 490   if (theShow) {
 491     myListIO.Clear();
 492     aCtx->DisplayedObjects(AIS_KOI_Shape, -1, myListIO);
 493     myListIO.Remove(myPreview);
 494   }
 495   AIS_ListOfInteractive::const_iterator aIt;
 496   Handle(AIS_Shape) aShapeIO;
 497   for (aIt = myListIO.cbegin(); aIt != myListIO.cend(); aIt++) {
 498     aShapeIO = Handle(AIS_Shape)::DownCast(*aIt);
 499     if (!aShapeIO.IsNull()) {
 500       if (theShow)
 501         aCtx->Erase(aShapeIO, false);
 502       else
 503         aCtx->Display(aShapeIO, false);
 504     }
 505   }
 506   aCtx->UpdateCurrentViewer();
 507 }
 508
 509 void ModuleBase_WidgetSelectionFilter::updateSelectBtn()
 510 {
 511   mySelectBtn->setEnabled(myUseFilters.size() > 0);
 512 }
 513
 514 void ModuleBase_WidgetSelectionFilter::updateNumberSelected()
 515 {
 516   myNbLbl->setText(QString::number(myValues.size()));
 517 }
 518 QList<QWidget*> ModuleBase_WidgetSelectionFilter::getControls() const
 519 {
 520   QList<QWidget*> aWidgets;
 521   QList<ModuleBase_FilterItem*> aItems = myFiltersWgt->findChildren<ModuleBase_FilterItem*>();
 522   foreach(ModuleBase_FilterItem* aItem, aItems) {
 523     QList<QWidget*> aSubList = aItem->getControls();
 524     foreach(QWidget* aWgt, aSubList) {
 525       aWidgets.append(aWgt);
 526     }
 527   }
 528   return aWidgets;
 529 }
 530
 531 void ModuleBase_WidgetSelectionFilter::clearCurrentSelection(bool toUpdate)
 532 {
 533   myValues.clear();
 534   if (!myPreview.IsNull()) {
 535     Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 536     aCtx->Remove(myPreview, toUpdate);
 537     myPreview.Nullify();
 538   }
 539 }
 540
 541 void ModuleBase_WidgetSelectionFilter::onFeatureAccepted()
 542 {
 543   AttributePtr aAttr = mySelectorFeature->attribute(mySelectorAttribute);
 544   AttributeSelectionListPtr aSelListAttr =
 545     std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(aAttr);
 546   aSelListAttr->clear();
 547   foreach(ModuleBase_ViewerPrsPtr aPrs, myValues) {
 548     aSelListAttr->append(aPrs->object(), aPrs->shape());
 549   }
 550 }
 551
 552 bool ModuleBase_WidgetSelectionFilter::storeValueCustom()
 553 {
 554   return true;
 555 }
 556
 557 bool ModuleBase_WidgetSelectionFilter::restoreValueCustom()
 558 {
 559   ModuleBase_ModelWidget* aActive = myWorkshop->propertyPanel()->activeWidget();
 560   if (aActive)
 561     return aActive->restoreValue();
 562   return true;
 563 }