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 = ModelAPI_Session::get()->filters()->filter(theFilter)->xmlRepresentation();
 139   if (aXmlString.length() == 0)
 140     addItemRow(this);
 141   else {
 142     ModuleBase_WidgetFactory aFactory(aXmlString, theParent->workshop());
 143     Config_ValidatorReader aValidatorReader(aXmlString, true);
 144     aValidatorReader.setFeatureId(mySelection->getKind());
 145     aValidatorReader.readAll();
 146
 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       connect(aWidget, SIGNAL(objectUpdated()), theParent, SLOT(onObjectUpdated()));
 166     }
 167     aLayout->addWidget(aParamsWgt);
 168   }
 169 }
 170
 171 void ModuleBase_FilterItem::addItemRow(QWidget* theParent)
 172 {
 173   QHBoxLayout* aLayout = new QHBoxLayout(theParent);
 174   ModuleBase_Tools::zeroMargins(aLayout);
 175
 176   // Reverse filter button
 177   myRevBtn = new QToolButton(theParent);
 178   myRevBtn->setCheckable(true);
 179   bool isReversed = mySelection->isReversed(myFilterID);
 180   myRevBtn->setChecked(isReversed);
 181   myRevBtn->setAutoRaise(true);
 182   if (isReversed)
 183     myRevBtn->setIcon(QIcon(":pictures/reverce.png"));
 184   else
 185     myRevBtn->setIcon(QIcon(":pictures/add.png"));
 186   myRevBtn->setToolTip(tr("Reverse the filter"));
 187   connect(myRevBtn, SIGNAL(toggled(bool)), SLOT(onReverse(bool)));
 188   aLayout->addWidget(myRevBtn);
 189
 190   const std::string& aFilterName = ModelAPI_Session::get()->filters()->filter(myFilterID)->name();
 191   aLayout->addWidget(new QLabel(aFilterName.c_str(), theParent), 1);
 192
 193   QToolButton* aDelBtn = new QToolButton(theParent);
 194   aDelBtn->setIcon(QIcon(":pictures/delete.png"));
 195   aDelBtn->setAutoRaise(true);
 196   aDelBtn->setToolTip(tr("Delete the filter"));
 197   connect(aDelBtn, SIGNAL(clicked(bool)), SLOT(onDelete()));
 198   aLayout->addWidget(aDelBtn);
 199 }
 200
 201 void ModuleBase_FilterItem::onReverse(bool theCheck)
 202 {
 203   mySelection->setReversed(myFilterID, theCheck);
 204   if (theCheck)
 205     myRevBtn->setIcon(QIcon(":pictures/reverce.png"));
 206   else
 207     myRevBtn->setIcon(QIcon(":pictures/add.png"));
 208   emit reversedItem(this);
 209 }
 210
 211 void ModuleBase_FilterItem::onDelete()
 212 {
 213   emit deleteItem(this);
 214 }
 215
 216 QList<QWidget*> ModuleBase_FilterItem::getControls() const
 217 {
 218   QList<QWidget*> aWidgetsList;
 219   foreach(ModuleBase_ModelWidget* aWgt, myWidgets) {
 220     QList<QWidget*> aSubList = aWgt->getControls();
 221     foreach(QWidget* aSub, aSubList) {
 222       aWidgetsList.append(aSub);
 223     }
 224   }
 225   return aWidgetsList;
 226 }
 227
 228
 229 //*****************************************************************************
 230 //*****************************************************************************
 231 //*****************************************************************************
 232 ModuleBase_WidgetSelectionFilter::ModuleBase_WidgetSelectionFilter(QWidget* theParent,
 233   ModuleBase_IWorkshop* theWorkshop, const Config_WidgetAPI* theData)
 234   : ModuleBase_ModelWidget(theParent, theData),
 235   myWorkshop(theWorkshop),
 236   mySelectorFeature(SelectorFeature),
 237   mySelectorAttribute(AttributeId)
 238 {
 239   // Clear Old selection
 240   AttributeSelectionListPtr aAttrList = mySelectorFeature->selectionList(mySelectorAttribute);
 241   mySelectionType = selectionType(aAttrList->selectionType().c_str());
 242   aAttrList->clear();
 243
 244   // Define widgets
 245   QVBoxLayout* aMainLayout = new QVBoxLayout(this);
 246   ModuleBase_Tools::adjustMargins(aMainLayout);
 247
 248   QGroupBox* aFiltersGroup = new QGroupBox(tr("Filters"), this);
 249   QVBoxLayout* aGroupLayout = new QVBoxLayout(aFiltersGroup);
 250   aGroupLayout->setContentsMargins(0, 0, 0, 0);
 251   aGroupLayout->setSpacing(0);
 252
 253   myFiltersWgt = new QWidget();
 254   myFiltersLayout = new QVBoxLayout(myFiltersWgt);
 255   myFiltersLayout->setContentsMargins(0, 0, 0, 0);
 256   aGroupLayout->addWidget(myFiltersWgt);
 257
 258   myFiltersCombo = new QComboBox(aFiltersGroup);
 259   myFiltersCombo->addItem(tr("Add new filter..."));
 260   SessionPtr aSession = ModelAPI_Session::get();
 261   std::list<FilterPtr> allFilters =
 262     aSession->filters()->filters((GeomAPI_Shape::ShapeType) mySelectionType);
 263   QStringList aItems;
 264   std::list<FilterPtr>::const_iterator aIt;
 265   for (aIt = allFilters.cbegin(); aIt != allFilters.cend(); aIt++) {
 266     aItems.push_back((*aIt)->name().c_str());
 267     myFilters.push_back(aSession->filters()->id(*aIt));
 268   }
 269   myFiltersCombo->addItems(aItems);
 270   connect(myFiltersCombo, SIGNAL(currentIndexChanged(int)), SLOT(onAddFilter(int)));
 271
 272   aGroupLayout->addWidget(myFiltersCombo);
 273   aMainLayout->addWidget(aFiltersGroup);
 274
 275   // Select Button
 276   QWidget* aBtnWgt = new QWidget(this);
 277   QHBoxLayout* aBtnLayout = new QHBoxLayout(aBtnWgt);
 278   ModuleBase_Tools::adjustMargins(aBtnLayout);
 279
 280   aBtnLayout->addStretch(1);
 281
 282   mySelectBtn = new QPushButton(tr("Select"), aBtnWgt);
 283   connect(mySelectBtn, SIGNAL(clicked()), SLOT(onSelect()));
 284   aBtnLayout->addWidget(mySelectBtn);
 285
 286   aMainLayout->addWidget(aBtnWgt);
 287
 288   // Label widgets
 289   QWidget* aLblWgt = new QWidget(this);
 290   QHBoxLayout* aLblLayout = new QHBoxLayout(aLblWgt);
 291   ModuleBase_Tools::zeroMargins(aLblLayout);
 292
 293   aLblLayout->addWidget(new QLabel(tr("Number of selected objects:"), aLblWgt));
 294
 295   myNbLbl = new QLabel("0", aLblWgt);
 296   aLblLayout->addWidget(myNbLbl);
 297
 298   // Show only button
 299   myShowBtn = new QCheckBox(tr("Show only"), this);
 300   connect(myShowBtn, SIGNAL(toggled(bool)), SLOT(onShowOnly(bool)));
 301   aLblLayout->addWidget(myShowBtn);
 302
 303   aMainLayout->addWidget(aLblWgt);
 304
 305   aMainLayout->addStretch(1);
 306
 307   updateSelectBtn();
 308 }
 309
 310 ModuleBase_WidgetSelectionFilter::~ModuleBase_WidgetSelectionFilter()
 311 {
 312   myValues.clear();
 313   if (!myPreview.IsNull()) {
 314     Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 315     aCtx->Remove(myPreview, false);
 316     myPreview.Nullify();
 317     if (myShowBtn->isChecked()) {
 318       AIS_ListOfInteractive::const_iterator aIt;
 319       Handle(AIS_Shape) aShapeIO;
 320       for (aIt = myListIO.cbegin(); aIt != myListIO.cend(); aIt++) {
 321         aShapeIO = Handle(AIS_Shape)::DownCast(*aIt);
 322         if (!aShapeIO.IsNull()) {
 323           aCtx->Display(aShapeIO, false);
 324         }
 325       }
 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   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
 357 void ModuleBase_WidgetSelectionFilter::onAddFilter(const std::string& theFilter)
 358 {
 359   if (theFilter.length() == 0)
 360     return;
 361   std::list<std::string>::const_iterator aIt;
 362   for (aIt = myUseFilters.cbegin(); aIt != myUseFilters.cend(); aIt++) {
 363     if (theFilter == (*aIt))
 364       return;
 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 }
 379
 380 void ModuleBase_WidgetSelectionFilter::onDeleteItem(ModuleBase_FilterItem* theItem)
 381 {
 382   std::string aFilter = theItem->filter();
 383   QList<ModuleBase_ModelWidget*> aWidgets = theItem->widgets();
 384   foreach(ModuleBase_ModelWidget* aWgt, aWidgets) {
 385     aWgt->deactivate();
 386   }
 387   myFiltersLayout->removeWidget(theItem);
 388   theItem->deleteLater();
 389
 390   myUseFilters.remove(aFilter);
 391   myFilters.push_back(aFilter);
 392   myFiltersCombo->addItem(ModelAPI_Session::get()->filters()->filter(aFilter)->name().c_str());
 393
 394   FiltersFeaturePtr aFiltersFeature =
 395     std::dynamic_pointer_cast<ModelAPI_FiltersFeature>(myFeature);
 396   aFiltersFeature->removeFilter(aFilter);
 397
 398   updateSelectBtn();
 399   clearCurrentSelection(true);
 400   updateNumberSelected();
 401
 402   myWorkshop->deactivateCurrentSelector();
 403   myWorkshop->selectionActivate()->updateSelectionModes();
 404   myWorkshop->selectionActivate()->updateSelectionFilters();
 405   redisplayFeature();
 406   myFiltersCombo->setFocus();
 407   updateObject(myFeature);
 408 }
 409
 410
 411 void ModuleBase_WidgetSelectionFilter::redisplayFeature()
 412 {
 413   static Events_ID aDispEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 414   ModelAPI_EventCreator::get()->sendUpdated(myFeature, aDispEvent);
 415   Events_Loop::loop()->flush(aDispEvent);
 416 }
 417
 418 void ModuleBase_WidgetSelectionFilter::onReverseItem(ModuleBase_FilterItem* theItem)
 419 {
 420   updateSelectBtn();
 421   clearCurrentSelection(true);
 422   updateNumberSelected();
 423 }
 424
 425 void ModuleBase_WidgetSelectionFilter::onSelect()
 426 {
 427   if (myUseFilters.size() == 0)
 428     return;
 429   Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 430   if (aCtx.IsNull())
 431     return;
 432
 433   clearCurrentSelection();
 434
 435   BRep_Builder aBuilder;
 436   TopoDS_Compound aComp;
 437   aBuilder.MakeCompound(aComp);
 438
 439   DocumentPtr aDoc = myFeature->document();
 440   int aNb = aDoc->size(ModelAPI_ResultBody::group());
 441   ObjectPtr aObj;
 442   ResultBodyPtr aBody;
 443   GeomShapePtr aShape;
 444   for (int i = 0; i < aNb; i++) {
 445     aObj = aDoc->object(ModelAPI_ResultBody::group(), i);
 446     aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aObj);
 447     GeomShapePtr aShape = aBody->shape();
 448     std::list<GeomShapePtr> aSubShapes =
 449       aShape->subShapes((GeomAPI_Shape::ShapeType)mySelectionType);
 450     TopTools_MapOfShape alreadyThere;
 451     std::list<GeomShapePtr>::const_iterator aShapesIt;
 452     for (aShapesIt = aSubShapes.cbegin(); aShapesIt != aSubShapes.cend(); aShapesIt++) {
 453       GeomShapePtr aShape = (*aShapesIt);
 454       TopoDS_Shape aTShape = aShape->impl<TopoDS_Shape>();
 455       if (!alreadyThere.Add(aTShape))
 456         continue;
 457       static SessionPtr aSession = ModelAPI_Session::get();
 458       bool isValid = aSession->filters()->isValid(myFeature, aShape);
 459       if (isValid) {
 460         aBuilder.Add(aComp, aTShape);
 461         ModuleBase_ViewerPrsPtr aValue(new ModuleBase_ViewerPrs(aObj, aShape));
 462         myValues.append(aValue);
 463       }
 464     }
 465   }
 466
 467   if (myValues.size() > 0)
 468     updatePreview(aComp);
 469   updateNumberSelected();
 470   updateObject(myFeature);
 471 }
 472
 473 void ModuleBase_WidgetSelectionFilter::updatePreview(const TopoDS_Shape& theShape)
 474 {
 475   Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 476   if (aCtx.IsNull())
 477     return;
 478
 479   if (myPreview.IsNull()) {
 480     myPreview = new AIS_Shape(theShape);
 481     myPreview->SetDisplayMode(AIS_Shaded);
 482     myPreview->SetColor(Quantity_NOC_BLUE1);
 483     Handle(Prs3d_Drawer) aDrawer = myPreview->Attributes();
 484     if (aDrawer->HasOwnPointAspect()) {
 485       aDrawer->PointAspect()->SetTypeOfMarker(Aspect_TOM_O_STAR);
 486       aDrawer->PointAspect()->SetColor(Quantity_NOC_BLUE1);
 487       aDrawer->PointAspect()->SetScale(2.);
 488     }
 489     else
 490       aDrawer->SetPointAspect(new Prs3d_PointAspect(Aspect_TOM_O_STAR, Quantity_NOC_BLUE1, 2.));
 491     myPreview->SetTransparency();
 492     aCtx->Display(myPreview, true);
 493     aCtx->Deactivate(myPreview);
 494   }
 495   else {
 496     myPreview->Set(theShape);
 497     aCtx->Redisplay(myPreview, true);
 498   }
 499 }
 500
 501
 502 void ModuleBase_WidgetSelectionFilter::onShowOnly(bool theShow)
 503 {
 504   if (myPreview.IsNull())
 505     return;
 506   Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 507
 508   if (theShow) {
 509     myListIO.Clear();
 510     aCtx->DisplayedObjects(AIS_KOI_Shape, -1, myListIO);
 511     myListIO.Remove(myPreview);
 512   }
 513   AIS_ListOfInteractive::const_iterator aIt;
 514   Handle(AIS_Shape) aShapeIO;
 515   for (aIt = myListIO.cbegin(); aIt != myListIO.cend(); aIt++) {
 516     aShapeIO = Handle(AIS_Shape)::DownCast(*aIt);
 517     if (!aShapeIO.IsNull()) {
 518       if (theShow)
 519         aCtx->Erase(aShapeIO, false);
 520       else
 521         aCtx->Display(aShapeIO, false);
 522     }
 523   }
 524   aCtx->UpdateCurrentViewer();
 525 }
 526
 527 void ModuleBase_WidgetSelectionFilter::updateSelectBtn()
 528 {
 529   mySelectBtn->setEnabled(myUseFilters.size() > 0);
 530 }
 531
 532 void ModuleBase_WidgetSelectionFilter::updateNumberSelected()
 533 {
 534   int aNb = myValues.size();
 535   myNbLbl->setText(QString::number(aNb));
 536   //QString aErr = () ? tr("Selection is empty") : "";
 537   if (aNb == 0)
 538     myFeature->setError(tr("Selection is empty").toStdString(), false, false);
 539   else {
 540     myFeature->setError("", false, false);
 541     myFeature->data()->execState(ModelAPI_StateDone);
 542   }
 543 }
 544
 545 QList<QWidget*> ModuleBase_WidgetSelectionFilter::getControls() const
 546 {
 547   QList<QWidget*> aWidgets;
 548   QList<ModuleBase_FilterItem*> aItems = myFiltersWgt->findChildren<ModuleBase_FilterItem*>();
 549   foreach(ModuleBase_FilterItem* aItem, aItems) {
 550     QList<QWidget*> aSubList = aItem->getControls();
 551     foreach(QWidget* aWgt, aSubList) {
 552       aWidgets.append(aWgt);
 553     }
 554   }
 555   aWidgets.append(myFiltersCombo);
 556   return aWidgets;
 557 }
 558
 559 void ModuleBase_WidgetSelectionFilter::clearCurrentSelection(bool toUpdate)
 560 {
 561   myValues.clear();
 562   if (!myPreview.IsNull()) {
 563     Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 564     aCtx->Remove(myPreview, toUpdate);
 565     myPreview.Nullify();
 566   }
 567 }
 568
 569 void ModuleBase_WidgetSelectionFilter::onFeatureAccepted()
 570 {
 571   AttributePtr aAttr = mySelectorFeature->attribute(mySelectorAttribute);
 572   AttributeSelectionListPtr aSelListAttr =
 573     std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(aAttr);
 574   aSelListAttr->clear();
 575   foreach(ModuleBase_ViewerPrsPtr aPrs, myValues) {
 576     aSelListAttr->append(aPrs->object(), aPrs->shape());
 577   }
 578 }
 579
 580 bool ModuleBase_WidgetSelectionFilter::storeValueCustom()
 581 {
 582   ModuleBase_ModelWidget* aActive = myWorkshop->propertyPanel()->activeWidget();
 583   if (aActive)
 584     return aActive->storeValue();
 585   updateObject(myFeature);
 586   return true;
 587 }
 588
 589 bool ModuleBase_WidgetSelectionFilter::restoreValueCustom()
 590 {
 591   ModelAPI_FiltersFactory* aFactory = ModelAPI_Session::get()->filters();
 592   FiltersFeaturePtr aFiltersFeature = std::dynamic_pointer_cast<ModelAPI_FiltersFeature>(myFeature);
 593   std::list<std::string> aFilters = aFiltersFeature->filters();
 594   std::list<std::string>::const_iterator aIt;
 595   for (aIt = aFilters.cbegin(); aIt != aFilters.cend(); aIt++) {
 596     std::string aStr = (*aIt);
 597     onAddFilter(aStr);
 598     FilterPtr aFilterObj = aFactory->filter(aStr);
 599     int aId = myFiltersCombo->findText(aFilterObj->name().c_str());
 600     if (aId != -1)
 601       myFiltersCombo->removeItem(aId);
 602   }
 603   // Init filters member of the parent attribute
 604   AttributeSelectionListPtr aAttrList = mySelectorFeature->selectionList(mySelectorAttribute);
 605   if (aAttrList->filters() != aFiltersFeature) {
 606     aAttrList->setFilters(aFiltersFeature);
 607   }
 608
 609   QList<QWidget*> aWidgets;
 610   QList<ModuleBase_FilterItem*> aItems = myFiltersWgt->findChildren<ModuleBase_FilterItem*>();
 611   foreach(ModuleBase_FilterItem* aItem, aItems) {
 612     QList<ModuleBase_ModelWidget*> aSubList = aItem->widgets();
 613     foreach(ModuleBase_ModelWidget* aWgt, aSubList) {
 614       aWgt->restoreValue();
 615     }
 616   }
 617   return true;
 618 }
 619
 620 QString ModuleBase_WidgetSelectionFilter::getError(const bool theValueStateChecked) const
 621 {
 622   QString aErrorMsg = ModuleBase_ModelWidget::getError(theValueStateChecked);
 623   if (aErrorMsg.isEmpty()) {
 624     if (myValues.size() == 0)
 625       aErrorMsg = tr("Selection is empty");
 626   }
 627   return aErrorMsg;
 628 }
 629
 630 void ModuleBase_WidgetSelectionFilter::onObjectUpdated()
 631 {
 632   clearCurrentSelection(true);
 633   updateNumberSelected();
 634   updateObject(myFeature);
 635 }