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 #include <QDir>
  56
  57 static FeaturePtr SelectorFeature;
  58 static std::string AttributeId;
  59
  60
  61 GeomAPI_Shape::ShapeType selectionType(const QString& theType)
  62 {
  63   QString aType = theType.toUpper();
  64   if ((aType == "VERTEX") || (aType == "VERTICES"))
  65     return GeomAPI_Shape::VERTEX;
  66   else if ((aType == "EDGE") || (aType == "EDGES"))
  67     return GeomAPI_Shape::EDGE;
  68   else if ((aType == "WIRE") || (aType == "WIRES"))
  69     return GeomAPI_Shape::WIRE;
  70   else if ((aType == "FACE") || (aType == "FACES"))
  71     return GeomAPI_Shape::FACE;
  72   else if ((aType == "SHELL") || (aType == "SHELLS"))
  73     return GeomAPI_Shape::SHELL;
  74   else if ((aType == "SOLID") || (aType == "SOLIDS"))
  75     return GeomAPI_Shape::SOLID;
  76   else if ((aType == "COMPSOLID") || (aType == "COMPSOLIDS"))
  77     return GeomAPI_Shape::COMPSOLID;
  78   else if ((aType == "COMPOUND") || (aType == "COMPOUNDS"))
  79     return GeomAPI_Shape::COMPOUND;
  80   else
  81     return GeomAPI_Shape::SHAPE;
  82 }
  83
  84
  85 ModuleBase_FilterStarter::ModuleBase_FilterStarter(const std::string& theFeature,
  86   QWidget* theParent, ModuleBase_IWorkshop* theWorkshop)
  87   : QWidget(theParent),
  88   myFeatureName(theFeature),
  89   myWorkshop(theWorkshop)
  90 {
  91   QHBoxLayout* aMainLayout = new QHBoxLayout(this);
  92   ModuleBase_Tools::adjustMargins(aMainLayout);
  93
  94   aMainLayout->addStretch(1);
  95   QPushButton* aLaunchBtn = new QPushButton(tr("Selection by filters"), this);
  96   connect(aLaunchBtn, SIGNAL(clicked()), SLOT(onFiltersLaunch()));
  97   aMainLayout->addWidget(aLaunchBtn);
  98 }
  99
 100 void ModuleBase_FilterStarter::onFiltersLaunch()
 101 {
 102   static QString aHelpFileName = QString("FiltersPlugin") + QDir::separator() +
 103     QString("FiltersPlugin.html");
 104
 105   ModuleBase_Operation* aParentOp = myWorkshop->currentOperation();
 106   ModuleBase_OperationFeature* aFeatureOp = dynamic_cast<ModuleBase_OperationFeature*>(aParentOp);
 107   if (aFeatureOp)
 108     // Open transaction on filters operation finish
 109     aFeatureOp->openTransactionOnResume();
 110
 111   QWidget* aParent = parentWidget();
 112   ModuleBase_WidgetMultiSelector* aSelector =
 113     dynamic_cast<ModuleBase_WidgetMultiSelector*>(aParent);
 114   while (!aSelector) {
 115     aParent = aParent->parentWidget();
 116     aSelector = dynamic_cast<ModuleBase_WidgetMultiSelector*>(aParent);
 117   }
 118   if (!aSelector)
 119     return;
 120   SelectorFeature = aSelector->feature();
 121   AttributeId = aSelector->attributeID();
 122
 123   // Launch Filters operation
 124   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 125     (myWorkshop->module()->createOperation(myFeatureName));
 126
 127   AttributeSelectionListPtr aAttrList = SelectorFeature->selectionList(AttributeId);
 128   FiltersFeaturePtr aFilters = aAttrList->filters();
 129   if (aFilters.get())
 130     aFOperation->setFeature(aFilters);
 131   aFOperation->setHelpFileName(aHelpFileName);
 132   myWorkshop->processLaunchOperation(aFOperation);
 133 }
 134
 135 //*****************************************************************************
 136 //*****************************************************************************
 137 //*****************************************************************************
 138 ModuleBase_FilterItem::ModuleBase_FilterItem(
 139   const std::string& theFilter, ModuleBase_WidgetSelectionFilter* theParent)
 140   : QWidget(theParent->filtersWidget()), myFilterID(theFilter),
 141     mySelection(std::dynamic_pointer_cast<ModelAPI_FiltersFeature>(theParent->feature()))
 142 {
 143   std::string aXmlString =
 144       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       connect(aWidget, SIGNAL(objectUpdated()), theParent, SLOT(onObjectUpdated()));
 172     }
 173     aLayout->addWidget(aParamsWgt);
 174   }
 175 }
 176
 177 void ModuleBase_FilterItem::addItemRow(QWidget* theParent)
 178 {
 179   QHBoxLayout* aLayout = new QHBoxLayout(theParent);
 180   ModuleBase_Tools::zeroMargins(aLayout);
 181
 182   // Reverse filter button
 183   myRevBtn = new QToolButton(theParent);
 184   myRevBtn->setCheckable(true);
 185   bool isReversed = mySelection->isReversed(myFilterID);
 186   myRevBtn->setChecked(isReversed);
 187   myRevBtn->setAutoRaise(true);
 188   if (isReversed)
 189     myRevBtn->setIcon(QIcon(":pictures/reverce.png"));
 190   else
 191     myRevBtn->setIcon(QIcon(":pictures/add.png"));
 192   myRevBtn->setToolTip(tr("Reverse the filter"));
 193   connect(myRevBtn, SIGNAL(toggled(bool)), SLOT(onReverse(bool)));
 194   aLayout->addWidget(myRevBtn);
 195
 196   const std::string& aFilterName = ModelAPI_Session::get()->filters()->filter(myFilterID)->name();
 197   aLayout->addWidget(new QLabel(aFilterName.c_str(), theParent), 1);
 198
 199   QToolButton* aDelBtn = new QToolButton(theParent);
 200   aDelBtn->setIcon(QIcon(":pictures/delete.png"));
 201   aDelBtn->setAutoRaise(true);
 202   aDelBtn->setToolTip(tr("Delete the filter"));
 203   connect(aDelBtn, SIGNAL(clicked(bool)), SLOT(onDelete()));
 204   aLayout->addWidget(aDelBtn);
 205 }
 206
 207 void ModuleBase_FilterItem::onReverse(bool theCheck)
 208 {
 209   mySelection->setReversed(myFilterID, theCheck);
 210   if (theCheck)
 211     myRevBtn->setIcon(QIcon(":pictures/reverce.png"));
 212   else
 213     myRevBtn->setIcon(QIcon(":pictures/add.png"));
 214   emit reversedItem(this);
 215 }
 216
 217 void ModuleBase_FilterItem::onDelete()
 218 {
 219   emit deleteItem(this);
 220 }
 221
 222
 223 //*****************************************************************************
 224 //*****************************************************************************
 225 //*****************************************************************************
 226 ModuleBase_WidgetSelectionFilter::ModuleBase_WidgetSelectionFilter(QWidget* theParent,
 227   ModuleBase_IWorkshop* theWorkshop, const Config_WidgetAPI* theData)
 228   : ModuleBase_ModelWidget(theParent, theData),
 229   myWorkshop(theWorkshop),
 230   mySelectorFeature(SelectorFeature),
 231   mySelectorAttribute(AttributeId)
 232 {
 233   // Clear Old selection
 234   AttributeSelectionListPtr aAttrList = mySelectorFeature->selectionList(mySelectorAttribute);
 235   mySelectionType = selectionType(aAttrList->selectionType().c_str());
 236   aAttrList->clear();
 237
 238   // Define widgets
 239   QVBoxLayout* aMainLayout = new QVBoxLayout(this);
 240   ModuleBase_Tools::adjustMargins(aMainLayout);
 241
 242   QGroupBox* aFiltersGroup = new QGroupBox(tr("Filters"), this);
 243   QVBoxLayout* aGroupLayout = new QVBoxLayout(aFiltersGroup);
 244   aGroupLayout->setContentsMargins(0, 0, 0, 0);
 245   aGroupLayout->setSpacing(0);
 246
 247   myFiltersWgt = new QWidget();
 248   myFiltersLayout = new QVBoxLayout(myFiltersWgt);
 249   myFiltersLayout->setContentsMargins(0, 0, 0, 0);
 250   aGroupLayout->addWidget(myFiltersWgt);
 251
 252   myFiltersCombo = new QComboBox(aFiltersGroup);
 253   myFiltersCombo->addItem(tr("Add new filter..."));
 254   SessionPtr aSession = ModelAPI_Session::get();
 255   std::list<FilterPtr> allFilters =
 256     aSession->filters()->filters((GeomAPI_Shape::ShapeType) mySelectionType);
 257   QStringList aItems;
 258   std::list<FilterPtr>::const_iterator aIt;
 259   for (aIt = allFilters.cbegin(); aIt != allFilters.cend(); aIt++) {
 260     aItems.push_back((*aIt)->name().c_str());
 261     myFilters.push_back(aSession->filters()->id(*aIt));
 262   }
 263   myFiltersCombo->addItems(aItems);
 264   connect(myFiltersCombo, SIGNAL(currentIndexChanged(int)), SLOT(onAddFilter(int)));
 265
 266   aGroupLayout->addWidget(myFiltersCombo);
 267   aMainLayout->addWidget(aFiltersGroup);
 268
 269   // Select Button
 270   QWidget* aBtnWgt = new QWidget(this);
 271   QHBoxLayout* aBtnLayout = new QHBoxLayout(aBtnWgt);
 272   ModuleBase_Tools::adjustMargins(aBtnLayout);
 273
 274   aBtnLayout->addStretch(1);
 275
 276   mySelectBtn = new QPushButton(tr("Select"), aBtnWgt);
 277   connect(mySelectBtn, SIGNAL(clicked()), SLOT(onSelect()));
 278   aBtnLayout->addWidget(mySelectBtn);
 279
 280   aMainLayout->addWidget(aBtnWgt);
 281
 282   // Label widgets
 283   QWidget* aLblWgt = new QWidget(this);
 284   QHBoxLayout* aLblLayout = new QHBoxLayout(aLblWgt);
 285   ModuleBase_Tools::zeroMargins(aLblLayout);
 286
 287   aLblLayout->addWidget(new QLabel(tr("Number of selected objects:"), aLblWgt));
 288
 289   myNbLbl = new QLabel("0", aLblWgt);
 290   aLblLayout->addWidget(myNbLbl);
 291
 292   // Show only button
 293   myShowBtn = new QCheckBox(tr("Show only"), this);
 294   connect(myShowBtn, SIGNAL(toggled(bool)), SLOT(onShowOnly(bool)));
 295   aLblLayout->addWidget(myShowBtn);
 296
 297   aMainLayout->addWidget(aLblWgt);
 298
 299   aMainLayout->addStretch(1);
 300
 301   updateSelectBtn();
 302 }
 303
 304 ModuleBase_WidgetSelectionFilter::~ModuleBase_WidgetSelectionFilter()
 305 {
 306   myValues.clear();
 307   if (!myPreview.IsNull()) {
 308     Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 309     aCtx->Remove(myPreview, false);
 310     myPreview.Nullify();
 311     if (myListIO.Size() > 0) {
 312       Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 313       AIS_ListOfInteractive::const_iterator aIt;
 314       Handle(AIS_Shape) aShapeIO;
 315       for (aIt = myListIO.cbegin(); aIt != myListIO.cend(); aIt++) {
 316         aShapeIO = Handle(AIS_Shape)::DownCast(*aIt);
 317         if (!aShapeIO.IsNull()) {
 318           aCtx->Display(aShapeIO, false);
 319           std::shared_ptr<GeomAPI_AISObject> anAISObj = AISObjectPtr(new GeomAPI_AISObject());
 320           anAISObj->setImpl(new Handle(AIS_InteractiveObject)(aShapeIO));
 321           myWorkshop->applyCurrentSelectionModes(anAISObj);
 322         }
 323       }
 324       myListIO.Clear();
 325       myShowBtn->setChecked(false);
 326     }
 327     aCtx->UpdateCurrentViewer();
 328   }
 329   SelectorFeature = FeaturePtr();
 330   AttributeId = "";
 331 }
 332
 333 void ModuleBase_WidgetSelectionFilter::onAddFilter(int theIndex)
 334 {
 335   if (theIndex == 0)
 336     return;
 337
 338   std::list<std::string>::iterator aIt;
 339   int i;
 340   std::string aFilter;
 341   for (aIt = myFilters.begin(), i = 0; aIt != myFilters.cend(); i++, aIt++) {
 342     if (i == (theIndex - 1)) {
 343       aFilter = (*aIt);
 344       break;
 345     }
 346   }
 347   ModuleBase_FilterItem* aItem = onAddFilter(aFilter);
 348   FiltersFeaturePtr aFiltersFeature =
 349     std::dynamic_pointer_cast<ModelAPI_FiltersFeature>(myFeature);
 350   aFiltersFeature->addFilter(aFilter);
 351
 352   myFiltersCombo->setCurrentIndex(0);
 353   myFiltersCombo->removeItem(theIndex);
 354   updateObject(myFeature);
 355
 356   if (aItem && (aItem->widgets().size() > 0))
 357     aItem->widgets().first()->emitFocusInWidget();
 358   else
 359     emitFocusInWidget();
 360 }
 361
 362 ModuleBase_FilterItem* ModuleBase_WidgetSelectionFilter::onAddFilter(const std::string& theFilter)
 363 {
 364   if (theFilter.length() == 0)
 365     return 0;
 366   std::list<std::string>::const_iterator aIt;
 367   for (aIt = myUseFilters.cbegin(); aIt != myUseFilters.cend(); aIt++) {
 368     if (theFilter == (*aIt))
 369       return 0;
 370   }
 371   myFilters.remove(theFilter);
 372   myUseFilters.push_back(theFilter);
 373   ModuleBase_FilterItem* aItem = new ModuleBase_FilterItem(theFilter, this);
 374   connect(aItem, SIGNAL(deleteItem(ModuleBase_FilterItem*)),
 375     SLOT(onDeleteItem(ModuleBase_FilterItem*)));
 376   connect(aItem, SIGNAL(reversedItem(ModuleBase_FilterItem*)),
 377     SLOT(onReverseItem(ModuleBase_FilterItem*)));
 378   myFiltersLayout->addWidget(aItem);
 379
 380   updateSelectBtn();
 381   clearCurrentSelection(true);
 382   updateNumberSelected();
 383   return aItem;
 384 }
 385
 386 void ModuleBase_WidgetSelectionFilter::onDeleteItem(ModuleBase_FilterItem* theItem)
 387 {
 388   std::string aFilter = theItem->filter();
 389   QList<ModuleBase_ModelWidget*> aWidgets = theItem->widgets();
 390   foreach(ModuleBase_ModelWidget* aWgt, aWidgets) {
 391     aWgt->deactivate();
 392   }
 393   myFiltersLayout->removeWidget(theItem);
 394   theItem->deleteLater();
 395
 396   myUseFilters.remove(aFilter);
 397   myFilters.push_back(aFilter);
 398   myFiltersCombo->addItem(ModelAPI_Session::get()->filters()->filter(aFilter)->name().c_str());
 399
 400   FiltersFeaturePtr aFiltersFeature =
 401     std::dynamic_pointer_cast<ModelAPI_FiltersFeature>(myFeature);
 402   aFiltersFeature->removeFilter(aFilter);
 403
 404   updateSelectBtn();
 405   clearCurrentSelection(true);
 406   updateNumberSelected();
 407
 408   myWorkshop->deactivateCurrentSelector();
 409   myWorkshop->selectionActivate()->updateSelectionModes();
 410   myWorkshop->selectionActivate()->updateSelectionFilters();
 411   redisplayFeature();
 412   emitFocusInWidget();
 413   updateObject(myFeature);
 414 }
 415
 416
 417 void ModuleBase_WidgetSelectionFilter::redisplayFeature()
 418 {
 419   static Events_ID aDispEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 420   ModelAPI_EventCreator::get()->sendUpdated(myFeature, aDispEvent);
 421   Events_Loop::loop()->flush(aDispEvent);
 422 }
 423
 424 void ModuleBase_WidgetSelectionFilter::onReverseItem(ModuleBase_FilterItem* theItem)
 425 {
 426   updateSelectBtn();
 427   clearCurrentSelection(true);
 428   updateNumberSelected();
 429 }
 430
 431 void ModuleBase_WidgetSelectionFilter::onSelect()
 432 {
 433   if (myUseFilters.size() == 0)
 434     return;
 435   Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 436   if (aCtx.IsNull())
 437     return;
 438
 439   clearCurrentSelection();
 440
 441   BRep_Builder aBuilder;
 442   TopoDS_Compound aComp;
 443   aBuilder.MakeCompound(aComp);
 444
 445   DocumentPtr aDoc = myFeature->document();
 446   int aNb = aDoc->size(ModelAPI_ResultBody::group());
 447   ObjectPtr aObj;
 448   ResultBodyPtr aBody;
 449   GeomShapePtr aShape;
 450   for (int i = 0; i < aNb; i++) {
 451     aObj = aDoc->object(ModelAPI_ResultBody::group(), i);
 452     aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aObj);
 453     GeomShapePtr aShape = aBody->shape();
 454     std::list<GeomShapePtr> aSubShapes =
 455       aShape->subShapes((GeomAPI_Shape::ShapeType)mySelectionType);
 456     TopTools_MapOfShape alreadyThere;
 457     std::list<GeomShapePtr>::const_iterator aShapesIt;
 458     for (aShapesIt = aSubShapes.cbegin(); aShapesIt != aSubShapes.cend(); aShapesIt++) {
 459       GeomShapePtr aShape = (*aShapesIt);
 460       TopoDS_Shape aTShape = aShape->impl<TopoDS_Shape>();
 461       if (!alreadyThere.Add(aTShape))
 462         continue;
 463       static SessionPtr aSession = ModelAPI_Session::get();
 464       bool isValid = aSession->filters()->isValid(myFeature, aBody, aShape);
 465       if (isValid) {
 466         aBuilder.Add(aComp, aTShape);
 467         ModuleBase_ViewerPrsPtr aValue(new ModuleBase_ViewerPrs(aObj, aShape));
 468         myValues.append(aValue);
 469       }
 470     }
 471   }
 472
 473   if (myValues.size() > 0)
 474     updatePreview(aComp);
 475   updateNumberSelected();
 476   updateObject(myFeature);
 477   onShowOnly(myShowBtn->isChecked());
 478 }
 479
 480 void ModuleBase_WidgetSelectionFilter::updatePreview(const TopoDS_Shape& theShape)
 481 {
 482   Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 483   if (aCtx.IsNull())
 484     return;
 485
 486   if (myPreview.IsNull()) {
 487     myPreview = new AIS_Shape(theShape);
 488     myPreview->SetDisplayMode(AIS_Shaded);
 489     myPreview->SetColor(Quantity_NOC_BLUE1);
 490     Handle(Prs3d_Drawer) aDrawer = myPreview->Attributes();
 491     if (aDrawer->HasOwnPointAspect()) {
 492       aDrawer->PointAspect()->SetTypeOfMarker(Aspect_TOM_O_STAR);
 493       aDrawer->PointAspect()->SetColor(Quantity_NOC_BLUE1);
 494       aDrawer->PointAspect()->SetScale(2.);
 495     }
 496     else
 497       aDrawer->SetPointAspect(new Prs3d_PointAspect(Aspect_TOM_O_STAR, Quantity_NOC_BLUE1, 2.));
 498     myPreview->SetTransparency();
 499     aCtx->Display(myPreview, true);
 500     aCtx->Deactivate(myPreview);
 501   }
 502   else {
 503     myPreview->Set(theShape);
 504     aCtx->Redisplay(myPreview, true);
 505   }
 506 }
 507
 508
 509 void ModuleBase_WidgetSelectionFilter::onShowOnly(bool theShow)
 510 {
 511   if (myPreview.IsNull())
 512     return;
 513   Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 514
 515   if (theShow) {
 516     AIS_ListOfInteractive aList;
 517     aCtx->DisplayedObjects(AIS_KOI_Shape, -1, aList);
 518     aList.Remove(myPreview);
 519     if (aList.Size() > 0)
 520       myListIO = aList;
 521   }
 522   AIS_ListOfInteractive::const_iterator aIt;
 523   Handle(AIS_Shape) aShapeIO;
 524   for (aIt = myListIO.cbegin(); aIt != myListIO.cend(); aIt++) {
 525     aShapeIO = Handle(AIS_Shape)::DownCast(*aIt);
 526     if (!aShapeIO.IsNull()) {
 527       if (theShow)
 528         aCtx->Erase(aShapeIO, false);
 529       else {
 530         aCtx->Display(aShapeIO, false);
 531         std::shared_ptr<GeomAPI_AISObject> anAISObj = AISObjectPtr(new GeomAPI_AISObject());
 532         anAISObj->setImpl(new Handle(AIS_InteractiveObject)(aShapeIO));
 533         myWorkshop->applyCurrentSelectionModes(anAISObj);
 534       }
 535     }
 536   }
 537   aCtx->UpdateCurrentViewer();
 538 }
 539
 540 void ModuleBase_WidgetSelectionFilter::updateSelectBtn()
 541 {
 542   mySelectBtn->setEnabled(myUseFilters.size() > 0);
 543 }
 544
 545 void ModuleBase_WidgetSelectionFilter::updateNumberSelected()
 546 {
 547   int aNb = myValues.size();
 548   myNbLbl->setText(QString::number(aNb));
 549   //QString aErr = () ? tr("Selection is empty") : "";
 550   if (aNb == 0)
 551     myFeature->setError(tr("Selection is empty").toStdString(), false, false);
 552   else {
 553     myFeature->setError("", false, false);
 554     myFeature->data()->execState(ModelAPI_StateDone);
 555   }
 556 }
 557
 558 QList<QWidget*> ModuleBase_WidgetSelectionFilter::getControls() const
 559 {
 560   QList<QWidget*> aWidgets;
 561   aWidgets.append(myFiltersCombo);
 562   return aWidgets;
 563 }
 564
 565 void ModuleBase_WidgetSelectionFilter::clearCurrentSelection(bool toUpdate)
 566 {
 567   myValues.clear();
 568   if (!myPreview.IsNull()) {
 569     Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 570     aCtx->Remove(myPreview, toUpdate);
 571     myPreview.Nullify();
 572   }
 573 }
 574
 575 void ModuleBase_WidgetSelectionFilter::onFeatureAccepted()
 576 {
 577   AttributePtr aAttr = mySelectorFeature->attribute(mySelectorAttribute);
 578   AttributeSelectionListPtr aSelListAttr =
 579     std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(aAttr);
 580   aSelListAttr->clear();
 581   foreach(ModuleBase_ViewerPrsPtr aPrs, myValues) {
 582     aSelListAttr->append(aPrs->object(), aPrs->shape());
 583   }
 584 }
 585
 586 bool ModuleBase_WidgetSelectionFilter::storeValueCustom()
 587 {
 588   ModuleBase_ModelWidget* aActive = myWorkshop->propertyPanel()->activeWidget();
 589   if (aActive)
 590     return aActive->storeValue();
 591   updateObject(myFeature);
 592   return true;
 593 }
 594
 595 bool ModuleBase_WidgetSelectionFilter::restoreValueCustom()
 596 {
 597   ModelAPI_FiltersFactory* aFactory = ModelAPI_Session::get()->filters();
 598   FiltersFeaturePtr aFiltersFeature = std::dynamic_pointer_cast<ModelAPI_FiltersFeature>(myFeature);
 599   std::list<std::string> aFilters = aFiltersFeature->filters();
 600   std::list<std::string>::const_iterator aIt;
 601   for (aIt = aFilters.cbegin(); aIt != aFilters.cend(); aIt++) {
 602     std::string aStr = (*aIt);
 603     onAddFilter(aStr);
 604     FilterPtr aFilterObj = aFactory->filter(aStr);
 605     int aId = myFiltersCombo->findText(aFilterObj->name().c_str());
 606     if (aId != -1)
 607       myFiltersCombo->removeItem(aId);
 608   }
 609   // Init filters member of the parent attribute
 610   AttributeSelectionListPtr aAttrList = mySelectorFeature->selectionList(mySelectorAttribute);
 611   if (aAttrList->filters() != aFiltersFeature) {
 612     aAttrList->setFilters(aFiltersFeature);
 613   }
 614
 615   QList<QWidget*> aWidgets;
 616   QList<ModuleBase_FilterItem*> aItems = myFiltersWgt->findChildren<ModuleBase_FilterItem*>();
 617   foreach(ModuleBase_FilterItem* aItem, aItems) {
 618     QList<ModuleBase_ModelWidget*> aSubList = aItem->widgets();
 619     foreach(ModuleBase_ModelWidget* aWgt, aSubList) {
 620       aWgt->restoreValue();
 621     }
 622   }
 623   return true;
 624 }
 625
 626 QString ModuleBase_WidgetSelectionFilter::getError(const bool theValueStateChecked) const
 627 {
 628   QString aErrorMsg = ModuleBase_ModelWidget::getError(theValueStateChecked);
 629   if (aErrorMsg.isEmpty()) {
 630     if (myValues.size() == 0)
 631       aErrorMsg = tr("Selection is empty");
 632   }
 633   return aErrorMsg;
 634 }
 635
 636 void ModuleBase_WidgetSelectionFilter::onObjectUpdated()
 637 {
 638   myShowBtn->setChecked(false);
 639   clearCurrentSelection(true);
 640   updateNumberSelected();
 641
 642   QList<ModuleBase_FilterItem*> aItemsList = myFiltersWgt->findChildren<ModuleBase_FilterItem*>();
 643   foreach(ModuleBase_FilterItem* aItem, aItemsList) {
 644     QList<ModuleBase_ModelWidget*> aWidgetsList = aItem->widgets();
 645     foreach(ModuleBase_ModelWidget* aWidget, aWidgetsList) {
 646       if (!aWidget->feature().get())
 647         aWidget->setFeature(myFeature);
 648       aWidget->restoreValue();
 649     }
 650   }
 651   updateObject(myFeature);
 652
 653   // Redisplay the feature on order to Customize presentations from filters with selectors
 654   static Events_ID EVENT_DISP = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 655   ModelAPI_EventCreator::get()->sendUpdated(myFeature, EVENT_DISP);
 656   Events_Loop::loop()->flush(EVENT_DISP);
 657 }