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 <ModelAPI_ResultBody.h>
  36 #include <GeomAPI_ShapeExplorer.h>
  37
  38 #include <Events_Loop.h>
  39 #include <Config_ValidatorReader.h>
  40
  41 #include <AIS_InteractiveContext.hxx>
  42 #include <StdSelect_BRepOwner.hxx>
  43 #include <TopoDS_Compound.hxx>
  44 #include <BRep_Builder.hxx>
  45
  46 #include <QLayout>
  47 #include <QPushButton>
  48 #include <QLabel>
  49 #include <QComboBox>
  50 #include <QGroupBox>
  51 #include <QDialog>
  52 #include <QToolButton>
  53 #include <QCheckBox>
  54
  55 static FeaturePtr SelectorFeature;
  56 static std::string AttributeId;
  57
  58
  59 GeomAPI_Shape::ShapeType selectionType(const QString& theType)
  60 {
  61   QString aType = theType.toUpper();
  62   if ((aType == "VERTEX") || (aType == "VERTICES"))
  63     return GeomAPI_Shape::VERTEX;
  64   else if ((aType == "EDGE") || (aType == "EDGES"))
  65     return GeomAPI_Shape::EDGE;
  66   else if ((aType == "WIRE") || (aType == "WIRES"))
  67     return GeomAPI_Shape::WIRE;
  68   else if ((aType == "FACE") || (aType == "FACES"))
  69     return GeomAPI_Shape::FACE;
  70   else if ((aType == "SHELL") || (aType == "SHELLS"))
  71     return GeomAPI_Shape::SHELL;
  72   else if ((aType == "SOLID") || (aType == "SOLIDS"))
  73     return GeomAPI_Shape::SOLID;
  74   else if ((aType == "COMPSOLID") || (aType == "COMPSOLIDS"))
  75     return GeomAPI_Shape::COMPSOLID;
  76   else if ((aType == "COMPOUND") || (aType == "COMPOUNDS"))
  77     return GeomAPI_Shape::COMPOUND;
  78   else
  79     return GeomAPI_Shape::SHAPE;
  80 }
  81
  82
  83 ModuleBase_FilterStarter::ModuleBase_FilterStarter(const std::string& theFeature,
  84   QWidget* theParent, ModuleBase_IWorkshop* theWorkshop)
  85   : QWidget(theParent),
  86   myFeatureName(theFeature),
  87   myWorkshop(theWorkshop)
  88 {
  89   QHBoxLayout* aMainLayout = new QHBoxLayout(this);
  90   ModuleBase_Tools::adjustMargins(aMainLayout);
  91
  92   aMainLayout->addStretch(1);
  93   QPushButton* aLaunchBtn = new QPushButton(tr("Selection by filters"), this);
  94   connect(aLaunchBtn, SIGNAL(clicked()), SLOT(onFiltersLaunch()));
  95   aMainLayout->addWidget(aLaunchBtn);
  96
  97   myFilterLbl = new QLabel(this);
  98   myFilterLbl->setPixmap(QPixmap(":pictures/filter.png"));
  99   aMainLayout->addWidget(myFilterLbl);
 100
 101   myModifyLbl = new QLabel(this);
 102   myModifyLbl->setPixmap(QPixmap(":pictures/plus_minus.png"));
 103   aMainLayout->addWidget(myModifyLbl);
 104   aMainLayout->addStretch(1);
 105
 106   myFilterLbl->hide();
 107   myModifyLbl->hide();
 108 }
 109
 110 void ModuleBase_FilterStarter::onFiltersLaunch()
 111 {
 112   ModuleBase_Operation* aParentOp = myWorkshop->currentOperation();
 113   ModuleBase_OperationFeature* aFeatureOp = dynamic_cast<ModuleBase_OperationFeature*>(aParentOp);
 114   if (aFeatureOp)
 115     // Open transaction on filters operation finish
 116     aFeatureOp->openTransactionOnResume();
 117
 118   QWidget* aParent = parentWidget();
 119   ModuleBase_WidgetMultiSelector* aSelector =
 120     dynamic_cast<ModuleBase_WidgetMultiSelector*>(aParent);
 121   while (!aSelector) {
 122     aParent = aParent->parentWidget();
 123     aSelector = dynamic_cast<ModuleBase_WidgetMultiSelector*>(aParent);
 124   }
 125   if (!aSelector)
 126     return;
 127   SelectorFeature = aSelector->feature();
 128   AttributeId = aSelector->attributeID();
 129
 130   // Launch Filters operation
 131   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 132     (myWorkshop->module()->createOperation(myFeatureName));
 133   myWorkshop->processLaunchOperation(aFOperation);
 134 }
 135
 136 //*****************************************************************************
 137 //*****************************************************************************
 138 //*****************************************************************************
 139 ModuleBase_FilterItem::ModuleBase_FilterItem(
 140   const std::string& theFilter, ModuleBase_WidgetSelectionFilter* theParent)
 141   : QWidget(theParent->filtersWidget()), myFilterID(theFilter),
 142     mySelection(std::dynamic_pointer_cast<ModelAPI_FiltersFeature>(theParent->feature()))
 143 {
 144   std::string aXmlString = ModelAPI_Session::get()->filters()->filter(theFilter)->xmlRepresentation();
 145   if (aXmlString.length() == 0)
 146     addItemRow(this);
 147   else {
 148     ModuleBase_WidgetFactory aFactory(aXmlString, theParent->workshop());
 149     Config_ValidatorReader aValidatorReader(aXmlString, true);
 150     aValidatorReader.setFeatureId(mySelection->getKind());
 151     aValidatorReader.readAll();
 152
 153     QVBoxLayout* aLayout = new QVBoxLayout(this);
 154     ModuleBase_Tools::zeroMargins(aLayout);
 155
 156     QWidget* aItemRow = new QWidget(this);
 157     addItemRow(aItemRow);
 158     aLayout->addWidget(aItemRow);
 159
 160     ModuleBase_PageWidget* aParamsWgt = new ModuleBase_PageWidget(this);
 161     aParamsWgt->setFrameStyle(QFrame::Box | QFrame::Raised);
 162     aFactory.createWidget(aParamsWgt);
 163     ModuleBase_Tools::zeroMargins(aParamsWgt->layout());
 164     myWidgets = aFactory.getModelWidgets();
 165     foreach(ModuleBase_ModelWidget* aWidget, myWidgets) {
 166       aWidget->setFeature(theParent->feature());
 167       connect(aWidget, SIGNAL(focusInWidget(ModuleBase_ModelWidget*)),
 168         theParent, SIGNAL(focusInWidget(ModuleBase_ModelWidget*)));
 169       connect(aWidget, SIGNAL(focusOutWidget(ModuleBase_ModelWidget*)),
 170         theParent, SIGNAL(focusOutWidget(ModuleBase_ModelWidget*)));
 171     }
 172     aLayout->addWidget(aParamsWgt);
 173   }
 174 }
 175
 176 void ModuleBase_FilterItem::addItemRow(QWidget* theParent)
 177 {
 178   QHBoxLayout* aLayout = new QHBoxLayout(theParent);
 179   ModuleBase_Tools::zeroMargins(aLayout);
 180
 181   // Reverse filter button
 182   myRevBtn = new QToolButton(theParent);
 183   myRevBtn->setCheckable(true);
 184   myRevBtn->setChecked(false);
 185   myRevBtn->setAutoRaise(true);
 186   myRevBtn->setIcon(QIcon(":pictures/add.png"));
 187   myRevBtn->setToolTip(tr("Reverse the filter"));
 188   connect(myRevBtn, SIGNAL(toggled(bool)), SLOT(onReverse(bool)));
 189   aLayout->addWidget(myRevBtn);
 190
 191   const std::string& aFilterName = ModelAPI_Session::get()->filters()->filter(myFilterID)->name();
 192   aLayout->addWidget(new QLabel(aFilterName.c_str(), theParent), 1);
 193
 194   QToolButton* aDelBtn = new QToolButton(theParent);
 195   aDelBtn->setIcon(QIcon(":pictures/delete.png"));
 196   aDelBtn->setAutoRaise(true);
 197   aDelBtn->setToolTip(tr("Delete the filter"));
 198   connect(aDelBtn, SIGNAL(clicked(bool)), SLOT(onDelete()));
 199   aLayout->addWidget(aDelBtn);
 200 }
 201
 202 void ModuleBase_FilterItem::onReverse(bool theCheck)
 203 {
 204   mySelection->setReversed(myFilterID, theCheck);
 205   if (theCheck)
 206     myRevBtn->setIcon(QIcon(":pictures/reverce.png"));
 207   else
 208     myRevBtn->setIcon(QIcon(":pictures/add.png"));
 209   emit reversedItem(this);
 210 }
 211
 212 void ModuleBase_FilterItem::onDelete()
 213 {
 214   emit deleteItem(this);
 215 }
 216
 217 QList<QWidget*> ModuleBase_FilterItem::getControls() const
 218 {
 219   QList<QWidget*> aWidgetsList;
 220   foreach(ModuleBase_ModelWidget* aWgt, myWidgets) {
 221     QList<QWidget*> aSubList = aWgt->getControls();
 222     foreach(QWidget* aSub, aSubList) {
 223       aWidgetsList.append(aSub);
 224     }
 225   }
 226   return aWidgetsList;
 227 }
 228
 229
 230 //*****************************************************************************
 231 //*****************************************************************************
 232 //*****************************************************************************
 233 ModuleBase_WidgetSelectionFilter::ModuleBase_WidgetSelectionFilter(QWidget* theParent,
 234   ModuleBase_IWorkshop* theWorkshop, const Config_WidgetAPI* theData)
 235   : ModuleBase_ModelWidget(theParent, theData),
 236   myWorkshop(theWorkshop),
 237   mySelectorFeature(SelectorFeature),
 238   mySelectorAttribute(AttributeId)
 239 {
 240   // Clear Old selection
 241   AttributePtr aAttr = SelectorFeature->attribute(AttributeId);
 242   AttributeSelectionListPtr aSelListAttr =
 243     std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(aAttr);
 244   mySelectionType = selectionType(aSelListAttr->selectionType().c_str());
 245   aSelListAttr->clear();
 246
 247   // Define widgets
 248   QVBoxLayout* aMainLayout = new QVBoxLayout(this);
 249   ModuleBase_Tools::adjustMargins(aMainLayout);
 250
 251   QGroupBox* aFiltersGroup = new QGroupBox(tr("Filters"), this);
 252   QVBoxLayout* aGroupLayout = new QVBoxLayout(aFiltersGroup);
 253   aGroupLayout->setContentsMargins(0, 0, 0, 0);
 254   aGroupLayout->setSpacing(0);
 255
 256   myFiltersWgt = new QWidget();
 257   myFiltersLayout = new QVBoxLayout(myFiltersWgt);
 258   myFiltersLayout->setContentsMargins(0, 0, 0, 0);
 259   aGroupLayout->addWidget(myFiltersWgt);
 260
 261   myFiltersCombo = new QComboBox(aFiltersGroup);
 262   myFiltersCombo->addItem(tr("Add new filter..."));
 263   SessionPtr aSession = ModelAPI_Session::get();
 264   std::list<FilterPtr> allFilters =
 265     aSession->filters()->filters((GeomAPI_Shape::ShapeType) mySelectionType);
 266   QStringList aItems;
 267   std::list<FilterPtr>::const_iterator aIt;
 268   for (aIt = allFilters.cbegin(); aIt != allFilters.cend(); aIt++) {
 269     aItems.push_back((*aIt)->name().c_str());
 270     myFilters.push_back(aSession->filters()->id(*aIt));
 271   }
 272   myFiltersCombo->addItems(aItems);
 273   connect(myFiltersCombo, SIGNAL(currentIndexChanged(int)), SLOT(onAddFilter(int)));
 274
 275   aGroupLayout->addWidget(myFiltersCombo);
 276   aMainLayout->addWidget(aFiltersGroup);
 277
 278   // Select Button
 279   QWidget* aBtnWgt = new QWidget(this);
 280   QHBoxLayout* aBtnLayout = new QHBoxLayout(aBtnWgt);
 281   ModuleBase_Tools::adjustMargins(aBtnLayout);
 282
 283   aBtnLayout->addStretch(1);
 284
 285   mySelectBtn = new QPushButton(tr("Select"), aBtnWgt);
 286   connect(mySelectBtn, SIGNAL(clicked()), SLOT(onSelect()));
 287   aBtnLayout->addWidget(mySelectBtn);
 288
 289   aMainLayout->addWidget(aBtnWgt);
 290
 291   // Label widgets
 292   QWidget* aLblWgt = new QWidget(this);
 293   QHBoxLayout* aLblLayout = new QHBoxLayout(aLblWgt);
 294   ModuleBase_Tools::zeroMargins(aLblLayout);
 295
 296   aLblLayout->addWidget(new QLabel(tr("Number of selected objects:"), aLblWgt));
 297
 298   myNbLbl = new QLabel("0", aLblWgt);
 299   aLblLayout->addWidget(myNbLbl);
 300
 301   // Show only button
 302   myShowBtn = new QCheckBox(tr("Show only"), this);
 303   connect(myShowBtn, SIGNAL(toggled(bool)), SLOT(onShowOnly(bool)));
 304   aLblLayout->addWidget(myShowBtn);
 305
 306   aMainLayout->addWidget(aLblWgt);
 307
 308   aMainLayout->addStretch(1);
 309
 310   updateSelectBtn();
 311 }
 312
 313 ModuleBase_WidgetSelectionFilter::~ModuleBase_WidgetSelectionFilter()
 314 {
 315   myValues.clear();
 316   if (!myPreview.IsNull()) {
 317     Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 318     aCtx->Remove(myPreview, false);
 319     myPreview.Nullify();
 320     if (myShowBtn->isChecked()) {
 321       AIS_ListOfInteractive::const_iterator aIt;
 322       Handle(AIS_Shape) aShapeIO;
 323       for (aIt = myListIO.cbegin(); aIt != myListIO.cend(); aIt++) {
 324         aShapeIO = Handle(AIS_Shape)::DownCast(*aIt);
 325         if (!aShapeIO.IsNull()) {
 326           aCtx->Display(aShapeIO, false);
 327         }
 328       }
 329     }
 330     aCtx->UpdateCurrentViewer();
 331   }
 332   SelectorFeature = FeaturePtr();
 333   AttributeId = "";
 334 }
 335
 336 void ModuleBase_WidgetSelectionFilter::onAddFilter(int theIndex)
 337 {
 338   if (theIndex == 0)
 339     return;
 340
 341   std::list<std::string>::iterator aIt;
 342   int i;
 343   std::string aFilter;
 344   for (aIt = myFilters.begin(), i = 0; aIt != myFilters.cend(); i++, aIt++) {
 345     if (i == (theIndex - 1)) {
 346       aFilter = (*aIt);
 347       myFilters.erase(aIt);
 348       break;
 349     }
 350   }
 351   if (!aFilter.empty()) {
 352     myUseFilters.push_back(aFilter);
 353     ModuleBase_FilterItem* aItem = new ModuleBase_FilterItem(aFilter, this);
 354     connect(aItem, SIGNAL(deleteItem(ModuleBase_FilterItem*)),
 355       SLOT(onDeleteItem(ModuleBase_FilterItem*)));
 356     connect(aItem, SIGNAL(reversedItem(ModuleBase_FilterItem*)),
 357       SLOT(onReverseItem(ModuleBase_FilterItem*)));
 358     myFiltersLayout->addWidget(aItem);
 359
 360     FiltersFeaturePtr aFiltersFeature =
 361       std::dynamic_pointer_cast<ModelAPI_FiltersFeature>(myFeature);
 362     aFiltersFeature->addFilter(aFilter);
 363   }
 364   updateSelectBtn();
 365   clearCurrentSelection(true);
 366   updateNumberSelected();
 367   myFiltersCombo->setCurrentIndex(0);
 368   myFiltersCombo->removeItem(theIndex);
 369 }
 370
 371 void ModuleBase_WidgetSelectionFilter::onDeleteItem(ModuleBase_FilterItem* theItem)
 372 {
 373   std::string aFilter = theItem->filter();
 374   QList<ModuleBase_ModelWidget*> aWidgets = theItem->widgets();
 375   foreach(ModuleBase_ModelWidget* aWgt, aWidgets) {
 376     aWgt->deactivate();
 377   }
 378   myFiltersLayout->removeWidget(theItem);
 379   theItem->deleteLater();
 380
 381   myUseFilters.remove(aFilter);
 382   myFilters.push_back(aFilter);
 383   myFiltersCombo->addItem(ModelAPI_Session::get()->filters()->filter(aFilter)->name().c_str());
 384
 385   FiltersFeaturePtr aFiltersFeature =
 386     std::dynamic_pointer_cast<ModelAPI_FiltersFeature>(myFeature);
 387   aFiltersFeature->removeFilter(aFilter);
 388
 389   updateSelectBtn();
 390   clearCurrentSelection(true);
 391   updateNumberSelected();
 392
 393   myWorkshop->deactivateCurrentSelector();
 394   myWorkshop->selectionActivate()->updateSelectionModes();
 395   myWorkshop->selectionActivate()->updateSelectionFilters();
 396   redisplayFeature();
 397 }
 398
 399
 400 void ModuleBase_WidgetSelectionFilter::redisplayFeature()
 401 {
 402   static Events_ID aDispEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 403   ModelAPI_EventCreator::get()->sendUpdated(myFeature, aDispEvent);
 404   Events_Loop::loop()->flush(aDispEvent);
 405 }
 406
 407 void ModuleBase_WidgetSelectionFilter::onReverseItem(ModuleBase_FilterItem* theItem)
 408 {
 409   updateSelectBtn();
 410   clearCurrentSelection(true);
 411   updateNumberSelected();
 412 }
 413
 414 void ModuleBase_WidgetSelectionFilter::onSelect()
 415 {
 416   if (myUseFilters.size() == 0)
 417     return;
 418   Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 419   if (aCtx.IsNull())
 420     return;
 421
 422   clearCurrentSelection();
 423
 424   BRep_Builder aBuilder;
 425   TopoDS_Compound aComp;
 426   aBuilder.MakeCompound(aComp);
 427
 428   DocumentPtr aDoc = myFeature->document();
 429   int aNb = aDoc->size(ModelAPI_ResultBody::group());
 430   ObjectPtr aObj;
 431   ResultBodyPtr aBody;
 432   GeomShapePtr aShape;
 433   for (int i = 0; i < aNb; i++) {
 434     aObj = aDoc->object(ModelAPI_ResultBody::group(), i);
 435     aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aObj);
 436     GeomShapePtr aShape = aBody->shape();
 437     std::list<GeomShapePtr> aSubShapes =
 438       aShape->subShapes((GeomAPI_Shape::ShapeType)mySelectionType);
 439     std::list<GeomShapePtr>::const_iterator aShapesIt;
 440     for (aShapesIt = aSubShapes.cbegin(); aShapesIt != aSubShapes.cend(); aShapesIt++) {
 441       GeomShapePtr aShape = (*aShapesIt);
 442       SessionPtr aSession = ModelAPI_Session::get();
 443       bool isValid = aSession->filters()->isValid(myFeature, aShape);
 444       if (isValid) {
 445         TopoDS_Shape aTShape = aShape->impl<TopoDS_Shape>();
 446         aBuilder.Add(aComp, aTShape);
 447         ModuleBase_ViewerPrsPtr aValue(new ModuleBase_ViewerPrs(aObj, aShape));
 448         myValues.append(aValue);
 449       }
 450     }
 451   }
 452
 453   if (myValues.size() > 0)
 454     updatePreview(aComp);
 455   updateNumberSelected();
 456 }
 457
 458 void ModuleBase_WidgetSelectionFilter::updatePreview(const TopoDS_Shape& theShape)
 459 {
 460   Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 461   if (aCtx.IsNull())
 462     return;
 463
 464   if (myPreview.IsNull()) {
 465     myPreview = new AIS_Shape(theShape);
 466     myPreview->SetDisplayMode(AIS_Shaded);
 467     myPreview->SetColor(Quantity_NOC_BLUE1);
 468     Handle(Prs3d_Drawer) aDrawer = myPreview->Attributes();
 469     if (aDrawer->HasOwnPointAspect()) {
 470       aDrawer->PointAspect()->SetTypeOfMarker(Aspect_TOM_O_STAR);
 471       aDrawer->PointAspect()->SetColor(Quantity_NOC_BLUE1);
 472       aDrawer->PointAspect()->SetScale(2.);
 473     }
 474     else
 475       aDrawer->SetPointAspect(new Prs3d_PointAspect(Aspect_TOM_O_STAR, Quantity_NOC_BLUE1, 2.));
 476     myPreview->SetTransparency();
 477     aCtx->Display(myPreview, true);
 478     aCtx->Deactivate(myPreview);
 479   }
 480   else {
 481     myPreview->Set(theShape);
 482     aCtx->Redisplay(myPreview, true);
 483   }
 484 }
 485
 486
 487 void ModuleBase_WidgetSelectionFilter::onShowOnly(bool theShow)
 488 {
 489   if (myPreview.IsNull())
 490     return;
 491   Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 492
 493   if (theShow) {
 494     myListIO.Clear();
 495     aCtx->DisplayedObjects(AIS_KOI_Shape, -1, myListIO);
 496     myListIO.Remove(myPreview);
 497   }
 498   AIS_ListOfInteractive::const_iterator aIt;
 499   Handle(AIS_Shape) aShapeIO;
 500   for (aIt = myListIO.cbegin(); aIt != myListIO.cend(); aIt++) {
 501     aShapeIO = Handle(AIS_Shape)::DownCast(*aIt);
 502     if (!aShapeIO.IsNull()) {
 503       if (theShow)
 504         aCtx->Erase(aShapeIO, false);
 505       else
 506         aCtx->Display(aShapeIO, false);
 507     }
 508   }
 509   aCtx->UpdateCurrentViewer();
 510 }
 511
 512 void ModuleBase_WidgetSelectionFilter::updateSelectBtn()
 513 {
 514   mySelectBtn->setEnabled(myUseFilters.size() > 0);
 515 }
 516
 517 void ModuleBase_WidgetSelectionFilter::updateNumberSelected()
 518 {
 519   myNbLbl->setText(QString::number(myValues.size()));
 520 }
 521 QList<QWidget*> ModuleBase_WidgetSelectionFilter::getControls() const
 522 {
 523   QList<QWidget*> aWidgets;
 524   QList<ModuleBase_FilterItem*> aItems = myFiltersWgt->findChildren<ModuleBase_FilterItem*>();
 525   foreach(ModuleBase_FilterItem* aItem, aItems) {
 526     QList<QWidget*> aSubList = aItem->getControls();
 527     foreach(QWidget* aWgt, aSubList) {
 528       aWidgets.append(aWgt);
 529     }
 530   }
 531   return aWidgets;
 532 }
 533
 534 void ModuleBase_WidgetSelectionFilter::clearCurrentSelection(bool toUpdate)
 535 {
 536   myValues.clear();
 537   if (!myPreview.IsNull()) {
 538     Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 539     aCtx->Remove(myPreview, toUpdate);
 540     myPreview.Nullify();
 541   }
 542 }
 543
 544 void ModuleBase_WidgetSelectionFilter::onFeatureAccepted()
 545 {
 546   AttributePtr aAttr = mySelectorFeature->attribute(mySelectorAttribute);
 547   AttributeSelectionListPtr aSelListAttr =
 548     std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(aAttr);
 549   aSelListAttr->clear();
 550   foreach(ModuleBase_ViewerPrsPtr aPrs, myValues) {
 551     aSelListAttr->append(aPrs->object(), aPrs->shape());
 552   }
 553 }
 554
 555 bool ModuleBase_WidgetSelectionFilter::storeValueCustom()
 556 {
 557   return true;
 558 }
 559
 560 bool ModuleBase_WidgetSelectionFilter::restoreValueCustom()
 561 {
 562   ModuleBase_ModelWidget* aActive = myWorkshop->propertyPanel()->activeWidget();
 563   if (aActive)
 564     return aActive->restoreValue();
 565   return true;
 566 }