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_FiltersFactory.h>
  36 #include <ModelAPI_ResultBody.h>
  37 #include <GeomAPI_ShapeExplorer.h>
  38
  39 #include <Events_Loop.h>
  40 #include <Config_ValidatorReader.h>
  41
  42 #include <AIS_InteractiveContext.hxx>
  43 #include <StdSelect_BRepOwner.hxx>
  44 #include <TopoDS_Compound.hxx>
  45 #include <BRep_Builder.hxx>
  46
  47 #include <QLayout>
  48 #include <QPushButton>
  49 #include <QLabel>
  50 #include <QComboBox>
  51 #include <QGroupBox>
  52 #include <QDialog>
  53 #include <QToolButton>
  54 #include <QCheckBox>
  55
  56 static FeaturePtr SelectorFeature;
  57 static std::string AttributeId;
  58
  59
  60 GeomAPI_Shape::ShapeType selectionType(const QString& theType)
  61 {
  62   QString aType = theType.toUpper();
  63   if ((aType == "VERTEX") || (aType == "VERTICES"))
  64     return GeomAPI_Shape::VERTEX;
  65   else if ((aType == "EDGE") || (aType == "EDGES"))
  66     return GeomAPI_Shape::EDGE;
  67   else if ((aType == "WIRE") || (aType == "WIRES"))
  68     return GeomAPI_Shape::WIRE;
  69   else if ((aType == "FACE") || (aType == "FACES"))
  70     return GeomAPI_Shape::FACE;
  71   else if ((aType == "SHELL") || (aType == "SHELLS"))
  72     return GeomAPI_Shape::SHELL;
  73   else if ((aType == "SOLID") || (aType == "SOLIDS"))
  74     return GeomAPI_Shape::SOLID;
  75   else if ((aType == "COMPSOLID") || (aType == "COMPSOLIDS"))
  76     return GeomAPI_Shape::COMPSOLID;
  77   else if ((aType == "COMPOUND") || (aType == "COMPOUNDS"))
  78     return GeomAPI_Shape::COMPOUND;
  79   else
  80     return GeomAPI_Shape::SHAPE;
  81 }
  82
  83
  84 ModuleBase_FilterStarter::ModuleBase_FilterStarter(const std::string& theFeature,
  85   QWidget* theParent, ModuleBase_IWorkshop* theWorkshop)
  86   : QWidget(theParent),
  87   myFeatureName(theFeature),
  88   myWorkshop(theWorkshop)
  89 {
  90   QHBoxLayout* aMainLayout = new QHBoxLayout(this);
  91   ModuleBase_Tools::adjustMargins(aMainLayout);
  92
  93   aMainLayout->addStretch(1);
  94   QPushButton* aLaunchBtn = new QPushButton(tr("Selection by filters"), this);
  95   connect(aLaunchBtn, SIGNAL(clicked()), SLOT(onFiltersLaunch()));
  96   aMainLayout->addWidget(aLaunchBtn);
  97 }
  98
  99 void ModuleBase_FilterStarter::onFiltersLaunch()
 100 {
 101   ModuleBase_Operation* aParentOp = myWorkshop->currentOperation();
 102   ModuleBase_OperationFeature* aFeatureOp = dynamic_cast<ModuleBase_OperationFeature*>(aParentOp);
 103   if (aFeatureOp)
 104     // Open transaction on filters operation finish
 105     aFeatureOp->openTransactionOnResume();
 106
 107   QWidget* aParent = parentWidget();
 108   ModuleBase_WidgetMultiSelector* aSelector =
 109     dynamic_cast<ModuleBase_WidgetMultiSelector*>(aParent);
 110   while (!aSelector) {
 111     aParent = aParent->parentWidget();
 112     aSelector = dynamic_cast<ModuleBase_WidgetMultiSelector*>(aParent);
 113   }
 114   if (!aSelector)
 115     return;
 116   SelectorFeature = aSelector->feature();
 117   AttributeId = aSelector->attributeID();
 118
 119   // Launch Filters operation
 120   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 121     (myWorkshop->module()->createOperation(myFeatureName));
 122
 123   AttributeSelectionListPtr aAttrList = SelectorFeature->selectionList(AttributeId);
 124   FiltersFeaturePtr aFilters = aAttrList->filters();
 125   if (aFilters.get())
 126     aFOperation->setFeature(aFilters);
 127   myWorkshop->processLaunchOperation(aFOperation);
 128 }
 129
 130 //*****************************************************************************
 131 //*****************************************************************************
 132 //*****************************************************************************
 133 ModuleBase_FilterItem::ModuleBase_FilterItem(
 134   const std::string& theFilter, ModuleBase_WidgetSelectionFilter* theParent)
 135   : QWidget(theParent->filtersWidget()), myFilterID(theFilter),
 136     mySelection(std::dynamic_pointer_cast<ModelAPI_FiltersFeature>(theParent->feature()))
 137 {
 138   std::string aXmlString =
 139       ModelAPI_Session::get()->filters()->filter(theFilter)->xmlRepresentation();
 140   if (aXmlString.length() == 0)
 141     addItemRow(this);
 142   else {
 143     ModuleBase_WidgetFactory aFactory(aXmlString, theParent->workshop());
 144     Config_ValidatorReader aValidatorReader(aXmlString, true);
 145     aValidatorReader.setFeatureId(mySelection->getKind());
 146     aValidatorReader.readAll();
 147
 148     QVBoxLayout* aLayout = new QVBoxLayout(this);
 149     ModuleBase_Tools::zeroMargins(aLayout);
 150
 151     QWidget* aItemRow = new QWidget(this);
 152     addItemRow(aItemRow);
 153     aLayout->addWidget(aItemRow);
 154
 155     ModuleBase_PageWidget* aParamsWgt = new ModuleBase_PageWidget(this);
 156     aParamsWgt->setFrameStyle(QFrame::Box | QFrame::Raised);
 157     aFactory.createWidget(aParamsWgt);
 158     ModuleBase_Tools::zeroMargins(aParamsWgt->layout());
 159     myWidgets = aFactory.getModelWidgets();
 160     foreach(ModuleBase_ModelWidget* aWidget, myWidgets) {
 161       aWidget->setFeature(theParent->feature());
 162       connect(aWidget, SIGNAL(focusInWidget(ModuleBase_ModelWidget*)),
 163         theParent, SIGNAL(focusInWidget(ModuleBase_ModelWidget*)));
 164       connect(aWidget, SIGNAL(focusOutWidget(ModuleBase_ModelWidget*)),
 165         theParent, SIGNAL(focusOutWidget(ModuleBase_ModelWidget*)));
 166       connect(aWidget, SIGNAL(objectUpdated()), theParent, SLOT(onObjectUpdated()));
 167     }
 168     aLayout->addWidget(aParamsWgt);
 169   }
 170 }
 171
 172 void ModuleBase_FilterItem::addItemRow(QWidget* theParent)
 173 {
 174   QHBoxLayout* aLayout = new QHBoxLayout(theParent);
 175   ModuleBase_Tools::zeroMargins(aLayout);
 176
 177   // Reverse filter button
 178   myRevBtn = new QToolButton(theParent);
 179   myRevBtn->setCheckable(true);
 180   bool isReversed = mySelection->isReversed(myFilterID);
 181   myRevBtn->setChecked(isReversed);
 182   myRevBtn->setAutoRaise(true);
 183   if (isReversed)
 184     myRevBtn->setIcon(QIcon(":pictures/reverce.png"));
 185   else
 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
 218 //*****************************************************************************
 219 //*****************************************************************************
 220 //*****************************************************************************
 221 ModuleBase_WidgetSelectionFilter::ModuleBase_WidgetSelectionFilter(QWidget* theParent,
 222   ModuleBase_IWorkshop* theWorkshop, const Config_WidgetAPI* theData)
 223   : ModuleBase_ModelWidget(theParent, theData),
 224   myWorkshop(theWorkshop),
 225   mySelectorFeature(SelectorFeature),
 226   mySelectorAttribute(AttributeId)
 227 {
 228   // Clear Old selection
 229   AttributeSelectionListPtr aAttrList = mySelectorFeature->selectionList(mySelectorAttribute);
 230   mySelectionType = selectionType(aAttrList->selectionType().c_str());
 231   aAttrList->clear();
 232
 233   // Define widgets
 234   QVBoxLayout* aMainLayout = new QVBoxLayout(this);
 235   ModuleBase_Tools::adjustMargins(aMainLayout);
 236
 237   QGroupBox* aFiltersGroup = new QGroupBox(tr("Filters"), this);
 238   QVBoxLayout* aGroupLayout = new QVBoxLayout(aFiltersGroup);
 239   aGroupLayout->setContentsMargins(0, 0, 0, 0);
 240   aGroupLayout->setSpacing(0);
 241
 242   myFiltersWgt = new QWidget();
 243   myFiltersLayout = new QVBoxLayout(myFiltersWgt);
 244   myFiltersLayout->setContentsMargins(0, 0, 0, 0);
 245   aGroupLayout->addWidget(myFiltersWgt);
 246
 247   myFiltersCombo = new QComboBox(aFiltersGroup);
 248   myFiltersCombo->addItem(tr("Add new filter..."));
 249   SessionPtr aSession = ModelAPI_Session::get();
 250   std::list<FilterPtr> allFilters =
 251     aSession->filters()->filters((GeomAPI_Shape::ShapeType) mySelectionType);
 252   QStringList aItems;
 253   std::list<FilterPtr>::const_iterator aIt;
 254   for (aIt = allFilters.cbegin(); aIt != allFilters.cend(); aIt++) {
 255     aItems.push_back((*aIt)->name().c_str());
 256     myFilters.push_back(aSession->filters()->id(*aIt));
 257   }
 258   myFiltersCombo->addItems(aItems);
 259   connect(myFiltersCombo, SIGNAL(currentIndexChanged(int)), SLOT(onAddFilter(int)));
 260
 261   aGroupLayout->addWidget(myFiltersCombo);
 262   aMainLayout->addWidget(aFiltersGroup);
 263
 264   // Select Button
 265   QWidget* aBtnWgt = new QWidget(this);
 266   QHBoxLayout* aBtnLayout = new QHBoxLayout(aBtnWgt);
 267   ModuleBase_Tools::adjustMargins(aBtnLayout);
 268
 269   aBtnLayout->addStretch(1);
 270
 271   mySelectBtn = new QPushButton(tr("Select"), aBtnWgt);
 272   connect(mySelectBtn, SIGNAL(clicked()), SLOT(onSelect()));
 273   aBtnLayout->addWidget(mySelectBtn);
 274
 275   aMainLayout->addWidget(aBtnWgt);
 276
 277   // Label widgets
 278   QWidget* aLblWgt = new QWidget(this);
 279   QHBoxLayout* aLblLayout = new QHBoxLayout(aLblWgt);
 280   ModuleBase_Tools::zeroMargins(aLblLayout);
 281
 282   aLblLayout->addWidget(new QLabel(tr("Number of selected objects:"), aLblWgt));
 283
 284   myNbLbl = new QLabel("0", aLblWgt);
 285   aLblLayout->addWidget(myNbLbl);
 286
 287   // Show only button
 288   myShowBtn = new QCheckBox(tr("Show only"), this);
 289   connect(myShowBtn, SIGNAL(toggled(bool)), SLOT(onShowOnly(bool)));
 290   aLblLayout->addWidget(myShowBtn);
 291
 292   aMainLayout->addWidget(aLblWgt);
 293
 294   aMainLayout->addStretch(1);
 295
 296   updateSelectBtn();
 297 }
 298
 299 ModuleBase_WidgetSelectionFilter::~ModuleBase_WidgetSelectionFilter()
 300 {
 301   myValues.clear();
 302   if (!myPreview.IsNull()) {
 303     Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 304     aCtx->Remove(myPreview, false);
 305     myPreview.Nullify();
 306     if (myListIO.Size() > 0) {
 307       Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 308       AIS_ListOfInteractive::const_iterator aIt;
 309       Handle(AIS_Shape) aShapeIO;
 310       for (aIt = myListIO.cbegin(); aIt != myListIO.cend(); aIt++) {
 311         aShapeIO = Handle(AIS_Shape)::DownCast(*aIt);
 312         if (!aShapeIO.IsNull()) {
 313           aCtx->Display(aShapeIO, false);
 314           std::shared_ptr<GeomAPI_AISObject> anAISObj = AISObjectPtr(new GeomAPI_AISObject());
 315           anAISObj->setImpl(new Handle(AIS_InteractiveObject)(aShapeIO));
 316           myWorkshop->applyCurrentSelectionModes(anAISObj);
 317         }
 318       }
 319       myListIO.Clear();
 320       myShowBtn->setChecked(false);
 321     }
 322     aCtx->UpdateCurrentViewer();
 323   }
 324   SelectorFeature = FeaturePtr();
 325   AttributeId = "";
 326 }
 327
 328 void ModuleBase_WidgetSelectionFilter::onAddFilter(int theIndex)
 329 {
 330   if (theIndex == 0)
 331     return;
 332
 333   std::list<std::string>::iterator aIt;
 334   int i;
 335   std::string aFilter;
 336   for (aIt = myFilters.begin(), i = 0; aIt != myFilters.cend(); i++, aIt++) {
 337     if (i == (theIndex - 1)) {
 338       aFilter = (*aIt);
 339       break;
 340     }
 341   }
 342   ModuleBase_FilterItem* aItem = onAddFilter(aFilter);
 343   FiltersFeaturePtr aFiltersFeature =
 344     std::dynamic_pointer_cast<ModelAPI_FiltersFeature>(myFeature);
 345   aFiltersFeature->addFilter(aFilter);
 346
 347   myFiltersCombo->setCurrentIndex(0);
 348   myFiltersCombo->removeItem(theIndex);
 349   updateObject(myFeature);
 350
 351   if (aItem && (aItem->widgets().size() > 0))
 352     aItem->widgets().first()->emitFocusInWidget();
 353   else
 354     emitFocusInWidget();
 355 }
 356
 357 ModuleBase_FilterItem* ModuleBase_WidgetSelectionFilter::onAddFilter(const std::string& theFilter)
 358 {
 359   if (theFilter.length() == 0)
 360     return 0;
 361   std::list<std::string>::const_iterator aIt;
 362   for (aIt = myUseFilters.cbegin(); aIt != myUseFilters.cend(); aIt++) {
 363     if (theFilter == (*aIt))
 364       return 0;
 365   }
 366   myFilters.remove(theFilter);
 367   myUseFilters.push_back(theFilter);
 368   ModuleBase_FilterItem* aItem = new ModuleBase_FilterItem(theFilter, this);
 369   connect(aItem, SIGNAL(deleteItem(ModuleBase_FilterItem*)),
 370     SLOT(onDeleteItem(ModuleBase_FilterItem*)));
 371   connect(aItem, SIGNAL(reversedItem(ModuleBase_FilterItem*)),
 372     SLOT(onReverseItem(ModuleBase_FilterItem*)));
 373   myFiltersLayout->addWidget(aItem);
 374
 375   updateSelectBtn();
 376   clearCurrentSelection(true);
 377   updateNumberSelected();
 378   return aItem;
 379 }
 380
 381 void ModuleBase_WidgetSelectionFilter::onDeleteItem(ModuleBase_FilterItem* theItem)
 382 {
 383   std::string aFilter = theItem->filter();
 384   QList<ModuleBase_ModelWidget*> aWidgets = theItem->widgets();
 385   foreach(ModuleBase_ModelWidget* aWgt, aWidgets) {
 386     aWgt->deactivate();
 387   }
 388   myFiltersLayout->removeWidget(theItem);
 389   theItem->deleteLater();
 390
 391   myUseFilters.remove(aFilter);
 392   myFilters.push_back(aFilter);
 393   myFiltersCombo->addItem(ModelAPI_Session::get()->filters()->filter(aFilter)->name().c_str());
 394
 395   FiltersFeaturePtr aFiltersFeature =
 396     std::dynamic_pointer_cast<ModelAPI_FiltersFeature>(myFeature);
 397   aFiltersFeature->removeFilter(aFilter);
 398
 399   updateSelectBtn();
 400   clearCurrentSelection(true);
 401   updateNumberSelected();
 402
 403   myWorkshop->deactivateCurrentSelector();
 404   myWorkshop->selectionActivate()->updateSelectionModes();
 405   myWorkshop->selectionActivate()->updateSelectionFilters();
 406   redisplayFeature();
 407   emitFocusInWidget();
 408   updateObject(myFeature);
 409 }
 410
 411
 412 void ModuleBase_WidgetSelectionFilter::redisplayFeature()
 413 {
 414   static Events_ID aDispEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 415   ModelAPI_EventCreator::get()->sendUpdated(myFeature, aDispEvent);
 416   Events_Loop::loop()->flush(aDispEvent);
 417 }
 418
 419 void ModuleBase_WidgetSelectionFilter::onReverseItem(ModuleBase_FilterItem* theItem)
 420 {
 421   updateSelectBtn();
 422   clearCurrentSelection(true);
 423   updateNumberSelected();
 424 }
 425
 426 void ModuleBase_WidgetSelectionFilter::onSelect()
 427 {
 428   if (myUseFilters.size() == 0)
 429     return;
 430   Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 431   if (aCtx.IsNull())
 432     return;
 433
 434   clearCurrentSelection();
 435
 436   BRep_Builder aBuilder;
 437   TopoDS_Compound aComp;
 438   aBuilder.MakeCompound(aComp);
 439
 440   DocumentPtr aDoc = myFeature->document();
 441   int aNb = aDoc->size(ModelAPI_ResultBody::group());
 442   ObjectPtr aObj;
 443   ResultBodyPtr aBody;
 444   GeomShapePtr aShape;
 445   for (int i = 0; i < aNb; i++) {
 446     aObj = aDoc->object(ModelAPI_ResultBody::group(), i);
 447     aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aObj);
 448     GeomShapePtr aShape = aBody->shape();
 449     std::list<GeomShapePtr> aSubShapes =
 450       aShape->subShapes((GeomAPI_Shape::ShapeType)mySelectionType);
 451     TopTools_MapOfShape alreadyThere;
 452     std::list<GeomShapePtr>::const_iterator aShapesIt;
 453     for (aShapesIt = aSubShapes.cbegin(); aShapesIt != aSubShapes.cend(); aShapesIt++) {
 454       GeomShapePtr aShape = (*aShapesIt);
 455       TopoDS_Shape aTShape = aShape->impl<TopoDS_Shape>();
 456       if (!alreadyThere.Add(aTShape))
 457         continue;
 458       static SessionPtr aSession = ModelAPI_Session::get();
 459       bool isValid = aSession->filters()->isValid(myFeature, aBody, aShape);
 460       if (isValid) {
 461         aBuilder.Add(aComp, aTShape);
 462         ModuleBase_ViewerPrsPtr aValue(new ModuleBase_ViewerPrs(aObj, aShape));
 463         myValues.append(aValue);
 464       }
 465     }
 466   }
 467
 468   if (myValues.size() > 0)
 469     updatePreview(aComp);
 470   updateNumberSelected();
 471   updateObject(myFeature);
 472 }
 473
 474 void ModuleBase_WidgetSelectionFilter::updatePreview(const TopoDS_Shape& theShape)
 475 {
 476   Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 477   if (aCtx.IsNull())
 478     return;
 479
 480   if (myPreview.IsNull()) {
 481     myPreview = new AIS_Shape(theShape);
 482     myPreview->SetDisplayMode(AIS_Shaded);
 483     myPreview->SetColor(Quantity_NOC_BLUE1);
 484     Handle(Prs3d_Drawer) aDrawer = myPreview->Attributes();
 485     if (aDrawer->HasOwnPointAspect()) {
 486       aDrawer->PointAspect()->SetTypeOfMarker(Aspect_TOM_O_STAR);
 487       aDrawer->PointAspect()->SetColor(Quantity_NOC_BLUE1);
 488       aDrawer->PointAspect()->SetScale(2.);
 489     }
 490     else
 491       aDrawer->SetPointAspect(new Prs3d_PointAspect(Aspect_TOM_O_STAR, Quantity_NOC_BLUE1, 2.));
 492     myPreview->SetTransparency();
 493     aCtx->Display(myPreview, true);
 494     aCtx->Deactivate(myPreview);
 495   }
 496   else {
 497     myPreview->Set(theShape);
 498     aCtx->Redisplay(myPreview, true);
 499   }
 500 }
 501
 502
 503 void ModuleBase_WidgetSelectionFilter::onShowOnly(bool theShow)
 504 {
 505   if (myPreview.IsNull())
 506     return;
 507   Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 508
 509   if (theShow) {
 510     myListIO.Clear();
 511     aCtx->DisplayedObjects(AIS_KOI_Shape, -1, myListIO);
 512     myListIO.Remove(myPreview);
 513   }
 514   AIS_ListOfInteractive::const_iterator aIt;
 515   Handle(AIS_Shape) aShapeIO;
 516   for (aIt = myListIO.cbegin(); aIt != myListIO.cend(); aIt++) {
 517     aShapeIO = Handle(AIS_Shape)::DownCast(*aIt);
 518     if (!aShapeIO.IsNull()) {
 519       if (theShow)
 520         aCtx->Erase(aShapeIO, false);
 521       else {
 522         aCtx->Display(aShapeIO, false);
 523         std::shared_ptr<GeomAPI_AISObject> anAISObj = AISObjectPtr(new GeomAPI_AISObject());
 524         anAISObj->setImpl(new Handle(AIS_InteractiveObject)(aShapeIO));
 525         myWorkshop->applyCurrentSelectionModes(anAISObj);
 526       }
 527     }
 528   }
 529   aCtx->UpdateCurrentViewer();
 530 }
 531
 532 void ModuleBase_WidgetSelectionFilter::updateSelectBtn()
 533 {
 534   mySelectBtn->setEnabled(myUseFilters.size() > 0);
 535 }
 536
 537 void ModuleBase_WidgetSelectionFilter::updateNumberSelected()
 538 {
 539   int aNb = myValues.size();
 540   myNbLbl->setText(QString::number(aNb));
 541   //QString aErr = () ? tr("Selection is empty") : "";
 542   if (aNb == 0)
 543     myFeature->setError(tr("Selection is empty").toStdString(), false, false);
 544   else {
 545     myFeature->setError("", false, false);
 546     myFeature->data()->execState(ModelAPI_StateDone);
 547   }
 548 }
 549
 550 QList<QWidget*> ModuleBase_WidgetSelectionFilter::getControls() const
 551 {
 552   QList<QWidget*> aWidgets;
 553   aWidgets.append(myFiltersCombo);
 554   return aWidgets;
 555 }
 556
 557 void ModuleBase_WidgetSelectionFilter::clearCurrentSelection(bool toUpdate)
 558 {
 559   myValues.clear();
 560   if (!myPreview.IsNull()) {
 561     Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 562     aCtx->Remove(myPreview, toUpdate);
 563     myPreview.Nullify();
 564   }
 565 }
 566
 567 void ModuleBase_WidgetSelectionFilter::onFeatureAccepted()
 568 {
 569   AttributePtr aAttr = mySelectorFeature->attribute(mySelectorAttribute);
 570   AttributeSelectionListPtr aSelListAttr =
 571     std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(aAttr);
 572   aSelListAttr->clear();
 573   foreach(ModuleBase_ViewerPrsPtr aPrs, myValues) {
 574     aSelListAttr->append(aPrs->object(), aPrs->shape());
 575   }
 576 }
 577
 578 bool ModuleBase_WidgetSelectionFilter::storeValueCustom()
 579 {
 580   ModuleBase_ModelWidget* aActive = myWorkshop->propertyPanel()->activeWidget();
 581   if (aActive)
 582     return aActive->storeValue();
 583   updateObject(myFeature);
 584   return true;
 585 }
 586
 587 bool ModuleBase_WidgetSelectionFilter::restoreValueCustom()
 588 {
 589   ModelAPI_FiltersFactory* aFactory = ModelAPI_Session::get()->filters();
 590   FiltersFeaturePtr aFiltersFeature = std::dynamic_pointer_cast<ModelAPI_FiltersFeature>(myFeature);
 591   std::list<std::string> aFilters = aFiltersFeature->filters();
 592   std::list<std::string>::const_iterator aIt;
 593   for (aIt = aFilters.cbegin(); aIt != aFilters.cend(); aIt++) {
 594     std::string aStr = (*aIt);
 595     onAddFilter(aStr);
 596     FilterPtr aFilterObj = aFactory->filter(aStr);
 597     int aId = myFiltersCombo->findText(aFilterObj->name().c_str());
 598     if (aId != -1)
 599       myFiltersCombo->removeItem(aId);
 600   }
 601   // Init filters member of the parent attribute
 602   AttributeSelectionListPtr aAttrList = mySelectorFeature->selectionList(mySelectorAttribute);
 603   if (aAttrList->filters() != aFiltersFeature) {
 604     aAttrList->setFilters(aFiltersFeature);
 605   }
 606
 607   QList<QWidget*> aWidgets;
 608   QList<ModuleBase_FilterItem*> aItems = myFiltersWgt->findChildren<ModuleBase_FilterItem*>();
 609   foreach(ModuleBase_FilterItem* aItem, aItems) {
 610     QList<ModuleBase_ModelWidget*> aSubList = aItem->widgets();
 611     foreach(ModuleBase_ModelWidget* aWgt, aSubList) {
 612       aWgt->restoreValue();
 613     }
 614   }
 615   return true;
 616 }
 617
 618 QString ModuleBase_WidgetSelectionFilter::getError(const bool theValueStateChecked) const
 619 {
 620   QString aErrorMsg = ModuleBase_ModelWidget::getError(theValueStateChecked);
 621   if (aErrorMsg.isEmpty()) {
 622     if (myValues.size() == 0)
 623       aErrorMsg = tr("Selection is empty");
 624   }
 625   return aErrorMsg;
 626 }
 627
 628 void ModuleBase_WidgetSelectionFilter::onObjectUpdated()
 629 {
 630   myShowBtn->setChecked(false);
 631   clearCurrentSelection(true);
 632   updateNumberSelected();
 633   updateObject(myFeature);
 634 }