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 (myShowBtn->isChecked()) {
 307       AIS_ListOfInteractive::const_iterator aIt;
 308       Handle(AIS_Shape) aShapeIO;
 309       for (aIt = myListIO.cbegin(); aIt != myListIO.cend(); aIt++) {
 310         aShapeIO = Handle(AIS_Shape)::DownCast(*aIt);
 311         if (!aShapeIO.IsNull()) {
 312           aCtx->Display(aShapeIO, false);
 313         }
 314       }
 315     }
 316     aCtx->UpdateCurrentViewer();
 317   }
 318   SelectorFeature = FeaturePtr();
 319   AttributeId = "";
 320 }
 321
 322 void ModuleBase_WidgetSelectionFilter::onAddFilter(int theIndex)
 323 {
 324   if (theIndex == 0)
 325     return;
 326
 327   std::list<std::string>::iterator aIt;
 328   int i;
 329   std::string aFilter;
 330   for (aIt = myFilters.begin(), i = 0; aIt != myFilters.cend(); i++, aIt++) {
 331     if (i == (theIndex - 1)) {
 332       aFilter = (*aIt);
 333       break;
 334     }
 335   }
 336   ModuleBase_FilterItem* aItem = onAddFilter(aFilter);
 337   FiltersFeaturePtr aFiltersFeature =
 338     std::dynamic_pointer_cast<ModelAPI_FiltersFeature>(myFeature);
 339   aFiltersFeature->addFilter(aFilter);
 340
 341   myFiltersCombo->setCurrentIndex(0);
 342   myFiltersCombo->removeItem(theIndex);
 343   updateObject(myFeature);
 344
 345   if (aItem && (aItem->widgets().size() > 0))
 346     aItem->widgets().first()->emitFocusInWidget();
 347   else
 348     emitFocusInWidget();
 349 }
 350
 351 ModuleBase_FilterItem* ModuleBase_WidgetSelectionFilter::onAddFilter(const std::string& theFilter)
 352 {
 353   if (theFilter.length() == 0)
 354     return 0;
 355   std::list<std::string>::const_iterator aIt;
 356   for (aIt = myUseFilters.cbegin(); aIt != myUseFilters.cend(); aIt++) {
 357     if (theFilter == (*aIt))
 358       return 0;
 359   }
 360   myFilters.remove(theFilter);
 361   myUseFilters.push_back(theFilter);
 362   ModuleBase_FilterItem* aItem = new ModuleBase_FilterItem(theFilter, this);
 363   connect(aItem, SIGNAL(deleteItem(ModuleBase_FilterItem*)),
 364     SLOT(onDeleteItem(ModuleBase_FilterItem*)));
 365   connect(aItem, SIGNAL(reversedItem(ModuleBase_FilterItem*)),
 366     SLOT(onReverseItem(ModuleBase_FilterItem*)));
 367   myFiltersLayout->addWidget(aItem);
 368
 369   updateSelectBtn();
 370   clearCurrentSelection(true);
 371   updateNumberSelected();
 372   return aItem;
 373 }
 374
 375 void ModuleBase_WidgetSelectionFilter::onDeleteItem(ModuleBase_FilterItem* theItem)
 376 {
 377   std::string aFilter = theItem->filter();
 378   QList<ModuleBase_ModelWidget*> aWidgets = theItem->widgets();
 379   foreach(ModuleBase_ModelWidget* aWgt, aWidgets) {
 380     aWgt->deactivate();
 381   }
 382   myFiltersLayout->removeWidget(theItem);
 383   theItem->deleteLater();
 384
 385   myUseFilters.remove(aFilter);
 386   myFilters.push_back(aFilter);
 387   myFiltersCombo->addItem(ModelAPI_Session::get()->filters()->filter(aFilter)->name().c_str());
 388
 389   FiltersFeaturePtr aFiltersFeature =
 390     std::dynamic_pointer_cast<ModelAPI_FiltersFeature>(myFeature);
 391   aFiltersFeature->removeFilter(aFilter);
 392
 393   updateSelectBtn();
 394   clearCurrentSelection(true);
 395   updateNumberSelected();
 396
 397   myWorkshop->deactivateCurrentSelector();
 398   myWorkshop->selectionActivate()->updateSelectionModes();
 399   myWorkshop->selectionActivate()->updateSelectionFilters();
 400   redisplayFeature();
 401   emitFocusInWidget();
 402   updateObject(myFeature);
 403 }
 404
 405
 406 void ModuleBase_WidgetSelectionFilter::redisplayFeature()
 407 {
 408   static Events_ID aDispEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 409   ModelAPI_EventCreator::get()->sendUpdated(myFeature, aDispEvent);
 410   Events_Loop::loop()->flush(aDispEvent);
 411 }
 412
 413 void ModuleBase_WidgetSelectionFilter::onReverseItem(ModuleBase_FilterItem* theItem)
 414 {
 415   updateSelectBtn();
 416   clearCurrentSelection(true);
 417   updateNumberSelected();
 418 }
 419
 420 void ModuleBase_WidgetSelectionFilter::onSelect()
 421 {
 422   if (myUseFilters.size() == 0)
 423     return;
 424   Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 425   if (aCtx.IsNull())
 426     return;
 427
 428   clearCurrentSelection();
 429
 430   BRep_Builder aBuilder;
 431   TopoDS_Compound aComp;
 432   aBuilder.MakeCompound(aComp);
 433
 434   DocumentPtr aDoc = myFeature->document();
 435   int aNb = aDoc->size(ModelAPI_ResultBody::group());
 436   ObjectPtr aObj;
 437   ResultBodyPtr aBody;
 438   GeomShapePtr aShape;
 439   for (int i = 0; i < aNb; i++) {
 440     aObj = aDoc->object(ModelAPI_ResultBody::group(), i);
 441     aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aObj);
 442     GeomShapePtr aShape = aBody->shape();
 443     std::list<GeomShapePtr> aSubShapes =
 444       aShape->subShapes((GeomAPI_Shape::ShapeType)mySelectionType);
 445     TopTools_MapOfShape alreadyThere;
 446     std::list<GeomShapePtr>::const_iterator aShapesIt;
 447     for (aShapesIt = aSubShapes.cbegin(); aShapesIt != aSubShapes.cend(); aShapesIt++) {
 448       GeomShapePtr aShape = (*aShapesIt);
 449       TopoDS_Shape aTShape = aShape->impl<TopoDS_Shape>();
 450       if (!alreadyThere.Add(aTShape))
 451         continue;
 452       static SessionPtr aSession = ModelAPI_Session::get();
 453       bool isValid = aSession->filters()->isValid(myFeature, aBody, aShape);
 454       if (isValid) {
 455         aBuilder.Add(aComp, aTShape);
 456         ModuleBase_ViewerPrsPtr aValue(new ModuleBase_ViewerPrs(aObj, aShape));
 457         myValues.append(aValue);
 458       }
 459     }
 460   }
 461
 462   if (myValues.size() > 0)
 463     updatePreview(aComp);
 464   updateNumberSelected();
 465   updateObject(myFeature);
 466 }
 467
 468 void ModuleBase_WidgetSelectionFilter::updatePreview(const TopoDS_Shape& theShape)
 469 {
 470   Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 471   if (aCtx.IsNull())
 472     return;
 473
 474   if (myPreview.IsNull()) {
 475     myPreview = new AIS_Shape(theShape);
 476     myPreview->SetDisplayMode(AIS_Shaded);
 477     myPreview->SetColor(Quantity_NOC_BLUE1);
 478     Handle(Prs3d_Drawer) aDrawer = myPreview->Attributes();
 479     if (aDrawer->HasOwnPointAspect()) {
 480       aDrawer->PointAspect()->SetTypeOfMarker(Aspect_TOM_O_STAR);
 481       aDrawer->PointAspect()->SetColor(Quantity_NOC_BLUE1);
 482       aDrawer->PointAspect()->SetScale(2.);
 483     }
 484     else
 485       aDrawer->SetPointAspect(new Prs3d_PointAspect(Aspect_TOM_O_STAR, Quantity_NOC_BLUE1, 2.));
 486     myPreview->SetTransparency();
 487     aCtx->Display(myPreview, true);
 488     aCtx->Deactivate(myPreview);
 489   }
 490   else {
 491     myPreview->Set(theShape);
 492     aCtx->Redisplay(myPreview, true);
 493   }
 494 }
 495
 496
 497 void ModuleBase_WidgetSelectionFilter::onShowOnly(bool theShow)
 498 {
 499   if (myPreview.IsNull())
 500     return;
 501   Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 502
 503   if (theShow) {
 504     myListIO.Clear();
 505     aCtx->DisplayedObjects(AIS_KOI_Shape, -1, myListIO);
 506     myListIO.Remove(myPreview);
 507   }
 508   AIS_ListOfInteractive::const_iterator aIt;
 509   Handle(AIS_Shape) aShapeIO;
 510   for (aIt = myListIO.cbegin(); aIt != myListIO.cend(); aIt++) {
 511     aShapeIO = Handle(AIS_Shape)::DownCast(*aIt);
 512     if (!aShapeIO.IsNull()) {
 513       if (theShow)
 514         aCtx->Erase(aShapeIO, false);
 515       else
 516         aCtx->Display(aShapeIO, false);
 517     }
 518   }
 519   aCtx->UpdateCurrentViewer();
 520 }
 521
 522 void ModuleBase_WidgetSelectionFilter::updateSelectBtn()
 523 {
 524   mySelectBtn->setEnabled(myUseFilters.size() > 0);
 525 }
 526
 527 void ModuleBase_WidgetSelectionFilter::updateNumberSelected()
 528 {
 529   int aNb = myValues.size();
 530   myNbLbl->setText(QString::number(aNb));
 531   //QString aErr = () ? tr("Selection is empty") : "";
 532   if (aNb == 0)
 533     myFeature->setError(tr("Selection is empty").toStdString(), false, false);
 534   else {
 535     myFeature->setError("", false, false);
 536     myFeature->data()->execState(ModelAPI_StateDone);
 537   }
 538 }
 539
 540 QList<QWidget*> ModuleBase_WidgetSelectionFilter::getControls() const
 541 {
 542   QList<QWidget*> aWidgets;
 543   aWidgets.append(myFiltersCombo);
 544   return aWidgets;
 545 }
 546
 547 void ModuleBase_WidgetSelectionFilter::clearCurrentSelection(bool toUpdate)
 548 {
 549   myValues.clear();
 550   if (!myPreview.IsNull()) {
 551     Handle(AIS_InteractiveContext) aCtx = myWorkshop->viewer()->AISContext();
 552     aCtx->Remove(myPreview, toUpdate);
 553     myPreview.Nullify();
 554   }
 555 }
 556
 557 void ModuleBase_WidgetSelectionFilter::onFeatureAccepted()
 558 {
 559   AttributePtr aAttr = mySelectorFeature->attribute(mySelectorAttribute);
 560   AttributeSelectionListPtr aSelListAttr =
 561     std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(aAttr);
 562   aSelListAttr->clear();
 563   foreach(ModuleBase_ViewerPrsPtr aPrs, myValues) {
 564     aSelListAttr->append(aPrs->object(), aPrs->shape());
 565   }
 566 }
 567
 568 bool ModuleBase_WidgetSelectionFilter::storeValueCustom()
 569 {
 570   ModuleBase_ModelWidget* aActive = myWorkshop->propertyPanel()->activeWidget();
 571   if (aActive)
 572     return aActive->storeValue();
 573   updateObject(myFeature);
 574   return true;
 575 }
 576
 577 bool ModuleBase_WidgetSelectionFilter::restoreValueCustom()
 578 {
 579   ModelAPI_FiltersFactory* aFactory = ModelAPI_Session::get()->filters();
 580   FiltersFeaturePtr aFiltersFeature = std::dynamic_pointer_cast<ModelAPI_FiltersFeature>(myFeature);
 581   std::list<std::string> aFilters = aFiltersFeature->filters();
 582   std::list<std::string>::const_iterator aIt;
 583   for (aIt = aFilters.cbegin(); aIt != aFilters.cend(); aIt++) {
 584     std::string aStr = (*aIt);
 585     onAddFilter(aStr);
 586     FilterPtr aFilterObj = aFactory->filter(aStr);
 587     int aId = myFiltersCombo->findText(aFilterObj->name().c_str());
 588     if (aId != -1)
 589       myFiltersCombo->removeItem(aId);
 590   }
 591   // Init filters member of the parent attribute
 592   AttributeSelectionListPtr aAttrList = mySelectorFeature->selectionList(mySelectorAttribute);
 593   if (aAttrList->filters() != aFiltersFeature) {
 594     aAttrList->setFilters(aFiltersFeature);
 595   }
 596
 597   QList<QWidget*> aWidgets;
 598   QList<ModuleBase_FilterItem*> aItems = myFiltersWgt->findChildren<ModuleBase_FilterItem*>();
 599   foreach(ModuleBase_FilterItem* aItem, aItems) {
 600     QList<ModuleBase_ModelWidget*> aSubList = aItem->widgets();
 601     foreach(ModuleBase_ModelWidget* aWgt, aSubList) {
 602       aWgt->restoreValue();
 603     }
 604   }
 605   return true;
 606 }
 607
 608 QString ModuleBase_WidgetSelectionFilter::getError(const bool theValueStateChecked) const
 609 {
 610   QString aErrorMsg = ModuleBase_ModelWidget::getError(theValueStateChecked);
 611   if (aErrorMsg.isEmpty()) {
 612     if (myValues.size() == 0)
 613       aErrorMsg = tr("Selection is empty");
 614   }
 615   return aErrorMsg;
 616 }
 617
 618 void ModuleBase_WidgetSelectionFilter::onObjectUpdated()
 619 {
 620   clearCurrentSelection(true);
 621   updateNumberSelected();
 622   updateObject(myFeature);
 623 }