src/ModuleBase/ModuleBase_WidgetShapeSelector.cpp

   1 // File:        ModuleBase_WidgetShapeSelector.h
   2 // Created:     2 June 2014
   3 // Author:      Vitaly Smetannikov
   4
   5 #include <ModuleBase_WidgetShapeSelector.h>
   6 #include <ModuleBase_Definitions.h>
   7 #include <ModuleBase_ISelection.h>
   8 #include <ModuleBase_IWorkshop.h>
   9 #include <ModuleBase_IViewer.h>
  10 #include <ModuleBase_Tools.h>
  11 #include <ModuleBase_FilterFactory.h>
  12 #include <ModuleBase_Filter.h>
  13
  14 #include <Config_WidgetAPI.h>
  15 #include <Events_Loop.h>
  16 #include <Events_Message.h>
  17 #include <GeomAPI_Interface.h>
  18 #include <GeomAPI_Shape.h>
  19
  20 #include <ModelAPI_AttributeReference.h>
  21 #include <ModelAPI_Data.h>
  22 #include <ModelAPI_Document.h>
  23 #include <ModelAPI_Events.h>
  24 #include <ModelAPI_Feature.h>
  25 #include <ModelAPI_Result.h>
  26 #include <ModelAPI_ResultConstruction.h>
  27 #include <ModelAPI_AttributeReference.h>
  28 #include <ModelAPI_AttributeSelection.h>
  29 #include <ModelAPI_Session.h>
  30 #include <ModelAPI_Tools.h>
  31 #include <ModelAPI_ResultBody.h>
  32 #include <ModelAPI_AttributeRefAttr.h>
  33 #include <ModelAPI_Validator.h>
  34 #include <ModelAPI_ResultValidator.h>
  35 #include <ModelAPI_RefAttrValidator.h>
  36
  37 #include <Config_WidgetAPI.h>
  38 #include <Events_Error.h>
  39
  40 #include <GeomAPI_Shape.h>
  41
  42 #include <SelectMgr_ListIteratorOfListOfFilter.hxx>
  43 #include <TopoDS_Shape.hxx>
  44 #include <TopExp_Explorer.hxx>
  45
  46 #include <QWidget>
  47 #include <QLayout>
  48 #include <QLabel>
  49 #include <QLineEdit>
  50 #include <QToolButton>
  51 #include <QString>
  52 #include <QEvent>
  53 #include <QDockWidget>
  54 #include <QApplication>
  55
  56 #include <TopExp_Explorer.hxx>
  57 #include <TopoDS_Shape.hxx>
  58
  59 #include <memory>
  60
  61 #include <list>
  62 #include <string>
  63
  64 typedef QMap<QString, TopAbs_ShapeEnum> ShapeTypes;
  65 static ShapeTypes MyShapeTypes;
  66
  67 TopAbs_ShapeEnum ModuleBase_WidgetShapeSelector::shapeType(const QString& theType)
  68 {
  69   if (MyShapeTypes.count() == 0) {
  70     MyShapeTypes["face"] = TopAbs_FACE;
  71     MyShapeTypes["faces"] = TopAbs_FACE;
  72     MyShapeTypes["vertex"] = TopAbs_VERTEX;
  73     MyShapeTypes["vertices"] = TopAbs_VERTEX;
  74     MyShapeTypes["wire"] = TopAbs_WIRE;
  75     MyShapeTypes["edge"] = TopAbs_EDGE;
  76     MyShapeTypes["edges"] = TopAbs_EDGE;
  77     MyShapeTypes["shell"] = TopAbs_SHELL;
  78     MyShapeTypes["solid"] = TopAbs_SOLID;
  79     MyShapeTypes["solids"] = TopAbs_SOLID;
  80   }
  81   QString aType = theType.toLower();
  82   if (MyShapeTypes.contains(aType))
  83     return MyShapeTypes[aType];
  84   Events_Error::send("Shape type defined in XML is not implemented!");
  85   return TopAbs_SHAPE;
  86 }
  87
  88 ModuleBase_WidgetShapeSelector::ModuleBase_WidgetShapeSelector(QWidget* theParent,
  89                                                      ModuleBase_IWorkshop* theWorkshop,
  90                                                      const Config_WidgetAPI* theData,
  91                                                      const std::string& theParentId)
  92     : ModuleBase_ModelWidget(theParent, theData, theParentId),
  93       myWorkshop(theWorkshop), myIsActive(false), myUseSubShapes(false)
  94 {
  95   myContainer = new QWidget(theParent);
  96   QHBoxLayout* aLayout = new QHBoxLayout(myContainer);
  97   ModuleBase_Tools::adjustMargins(aLayout);
  98
  99   QString aLabelText = QString::fromStdString(theData->widgetLabel());
 100   QString aLabelIcon = QString::fromStdString(theData->widgetIcon());
 101   myLabel = new QLabel(aLabelText, myContainer);
 102   if (!aLabelIcon.isEmpty())
 103     myLabel->setPixmap(QPixmap(aLabelIcon));
 104
 105   aLayout->addWidget(myLabel);
 106
 107   QString aToolTip = QString::fromStdString(theData->widgetTooltip());
 108   myTextLine = new QLineEdit(myContainer);
 109   myTextLine->setReadOnly(true);
 110   myTextLine->setToolTip(aToolTip);
 111   myTextLine->installEventFilter(this);
 112
 113   aLayout->addWidget(myTextLine, 1);
 114
 115   std::string aTypes = theData->getProperty("shape_types");
 116   myShapeTypes = QString(aTypes.c_str()).split(' ', QString::SkipEmptyParts);
 117
 118   std::string aObjTypes = theData->getProperty("object_types");
 119   myObjectTypes = QString(aObjTypes.c_str()).split(' ', QString::SkipEmptyParts);
 120
 121   myUseSubShapes = theData->getBooleanAttribute("use_subshapes", false);
 122 }
 123
 124 //********************************************************************
 125 ModuleBase_WidgetShapeSelector::~ModuleBase_WidgetShapeSelector()
 126 {
 127   activateSelection(false);
 128 }
 129
 130 //********************************************************************
 131 bool ModuleBase_WidgetShapeSelector::storeValue() const
 132 {
 133   FeaturePtr aSelectedFeature = ModelAPI_Feature::feature(mySelectedObject);
 134   if (aSelectedFeature == myFeature)  // In order to avoid selection of the same object
 135     return false;
 136
 137   DataPtr aData = myFeature->data();
 138   if (myUseSubShapes) {
 139     ResultPtr aBody = std::dynamic_pointer_cast<ModelAPI_Result>(mySelectedObject);
 140     if (aBody) {
 141       AttributePtr aAttr = aData->attribute(attributeID());
 142
 143       // We have to check several attributes types
 144       AttributeSelectionPtr aSelectAttr =
 145         std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(aAttr);
 146       if (aSelectAttr) {
 147         aSelectAttr->setValue(aBody, myShape);
 148         updateObject(myFeature);
 149         return true;
 150       } else {
 151         AttributeRefAttrPtr aRefAttr = aData->refattr(attributeID());
 152         if (aRefAttr) {
 153           aRefAttr->setObject(mySelectedObject);
 154           updateObject(myFeature);
 155           return true;
 156         }
 157       }
 158     }
 159   } else {
 160     AttributeReferencePtr aRef = aData->reference(attributeID());
 161     if (aRef) {
 162       ObjectPtr aObject = aRef->value();
 163       if (!(aObject && aObject->isSame(mySelectedObject))) {
 164         aRef->setValue(mySelectedObject);
 165         updateObject(myFeature);
 166         return true;
 167       }
 168     } else {
 169       AttributeRefAttrPtr aRefAttr = aData->refattr(attributeID());
 170       if (aRefAttr) {
 171         ObjectPtr aObject = aRefAttr->object();
 172         if (!(aObject && aObject->isSame(mySelectedObject))) {
 173           aRefAttr->setObject(mySelectedObject);
 174           updateObject(myFeature);
 175           return true;
 176         }
 177       }
 178     }
 179   }
 180   return false;
 181 }
 182
 183 //********************************************************************
 184 void ModuleBase_WidgetShapeSelector::clearAttribute()
 185 {
 186   DataPtr aData = myFeature->data();
 187   AttributeSelectionPtr aSelect = aData->selection(attributeID());
 188   if (aSelect) {
 189     aSelect->setValue(ResultPtr(), std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape()));
 190     return;
 191   }
 192   AttributeRefAttrPtr aRefAttr = aData->refattr(attributeID());
 193   if (aRefAttr) {
 194     aRefAttr->setObject(ObjectPtr());
 195     return;
 196   }
 197   AttributeReferencePtr aRef = aData->reference(attributeID());
 198   if (aRef) {
 199     aRef->setObject(ObjectPtr());
 200   }
 201 }
 202
 203 //********************************************************************
 204 bool ModuleBase_WidgetShapeSelector::restoreValue()
 205 {
 206   DataPtr aData = myFeature->data();
 207   bool isBlocked = this->blockSignals(true);
 208   if (myUseSubShapes) {
 209     AttributeSelectionPtr aSelect = aData->selection(attributeID());
 210     if (aSelect) {
 211       mySelectedObject = aSelect->context();
 212       myShape = aSelect->value();
 213     } else {
 214       AttributeRefAttrPtr aRefAttr = aData->refattr(attributeID());
 215       if (aRefAttr) {
 216         mySelectedObject = aRefAttr->object();
 217       }
 218     }
 219   } else {
 220     AttributeReferencePtr aRef = aData->reference(attributeID());
 221     if (aRef)
 222       mySelectedObject = aRef->value();
 223     else {
 224       AttributeRefAttrPtr aRefAttr = aData->refattr(attributeID());
 225       if (aRefAttr)
 226         mySelectedObject = aRefAttr->object();
 227     }
 228   }
 229   updateSelectionName();
 230
 231   this->blockSignals(isBlocked);
 232   return true;
 233 }
 234
 235 //********************************************************************
 236 QList<QWidget*> ModuleBase_WidgetShapeSelector::getControls() const
 237 {
 238   QList<QWidget*> aControls;
 239   aControls.append(myTextLine);
 240   return aControls;
 241 }
 242
 243 //********************************************************************
 244 void ModuleBase_WidgetShapeSelector::onSelectionChanged()
 245 {
 246   // In order to make reselection possible
 247   // TODO: check with MPV clearAttribute();
 248
 249   //QObjectPtrList aObjects = myWorkshop->selection()->selectedPresentations();
 250   QList<ModuleBase_ViewerPrs> aSelected = myWorkshop->selection()->getSelected();
 251   if (aSelected.size() > 0)
 252     setSelection(aSelected.first());
 253 }
 254
 255 //********************************************************************
 256 bool ModuleBase_WidgetShapeSelector::setSelection(ModuleBase_ViewerPrs theValue)
 257 {
 258   ObjectPtr aObject = theValue.object();
 259   if ((!mySelectedObject) && (!aObject))
 260     return false;
 261
 262   // Check that the selected object is result (others can not be accepted)
 263   ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(aObject);
 264   if (!aRes)
 265     return false;
 266
 267   if (myFeature) {
 268     // We can not select a result of our feature
 269     const std::list<std::shared_ptr<ModelAPI_Result>>& aResList = myFeature->results();
 270     std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aIt;
 271     for (aIt = aResList.cbegin(); aIt != aResList.cend(); ++aIt) {
 272       if ((*aIt) == aRes)
 273         return false;
 274     }
 275   }
 276   // Check that object belongs to active document or PartSet
 277   DocumentPtr aDoc = aRes->document();
 278   SessionPtr aMgr = ModelAPI_Session::get();
 279   if (!(aDoc == aMgr->activeDocument()) && !(aDoc == aMgr->moduleDocument()))
 280     return false;
 281
 282   // Check that the result has a shape
 283   GeomShapePtr aShape = ModelAPI_Tools::shape(aRes);
 284   if (!aShape)
 285     return false;
 286
 287   /// Check that object has acceptable type
 288   if (!acceptObjectType(aObject))
 289     return false;
 290
 291   // Get sub-shapes from local selection
 292   if (myUseSubShapes) {
 293     if (!theValue.shape().IsNull()) {
 294       aShape = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
 295       aShape->setImpl(new TopoDS_Shape(theValue.shape()));
 296     }
 297   }
 298
 299   // Check that the selection corresponds to selection type
 300   if (myUseSubShapes) {
 301     if (!acceptSubShape(aShape))
 302       return false;
 303   } else {
 304     if (!acceptObjectShape(aObject))
 305       return false;
 306   }
 307   if (isValid(aObject, aShape)) {
 308     setObject(aObject, aShape);
 309     emit focusOutWidget(this);
 310     return true;
 311   }
 312   return false;
 313 }
 314
 315 //********************************************************************
 316 void ModuleBase_WidgetShapeSelector::setObject(ObjectPtr theObj, std::shared_ptr<GeomAPI_Shape> theShape)
 317 {
 318   mySelectedObject = theObj;
 319   myShape = theShape;
 320   if (mySelectedObject) {
 321     raisePanel();
 322   }
 323   updateSelectionName();
 324   emit valuesChanged();
 325 }
 326
 327 //********************************************************************
 328 bool ModuleBase_WidgetShapeSelector::acceptObjectShape(const ObjectPtr theResult) const
 329 {
 330   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theResult);
 331
 332   // Check that the shape of necessary type
 333   std::shared_ptr<GeomAPI_Shape> aShapePtr = ModelAPI_Tools::shape(aResult);
 334   if (!aShapePtr)
 335     return false;
 336   TopoDS_Shape aShape = aShapePtr->impl<TopoDS_Shape>();
 337   if (aShape.IsNull())
 338     return false;
 339
 340   TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
 341   if (aShapeType == TopAbs_COMPOUND) {
 342     foreach (QString aType, myShapeTypes) {
 343       TopExp_Explorer aEx(aShape, shapeType(aType));
 344       if (aEx.More())
 345         return true;
 346     }
 347   } else {
 348     foreach (QString aType, myShapeTypes) {
 349       if (shapeType(aType) == aShapeType)
 350         return true;
 351     }
 352   }
 353   return false;
 354 }
 355
 356 //********************************************************************
 357 bool ModuleBase_WidgetShapeSelector::acceptSubShape(std::shared_ptr<GeomAPI_Shape> theShape) const
 358 {
 359   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 360   foreach (QString aType, myShapeTypes) {
 361     if (aShape.ShapeType() == shapeType(aType))
 362       return true;
 363   }
 364   return false;
 365 }
 366
 367 //********************************************************************
 368 bool ModuleBase_WidgetShapeSelector::acceptObjectType(const ObjectPtr theObject) const
 369 {
 370   // Definition of types is not obligatory. If types are not defined then
 371   // it means that accepted any type
 372   if (myObjectTypes.isEmpty())
 373     return true;
 374
 375   foreach (QString aType, myObjectTypes) {
 376     if (aType.toLower() == "construction") {
 377       ResultConstructionPtr aConstr =
 378         std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(theObject);
 379       return (aConstr != NULL);
 380     } // ToDo: Process other types of objects
 381   }
 382   // Object type is defined but not found
 383   return false;
 384 }
 385
 386
 387 //********************************************************************
 388 void ModuleBase_WidgetShapeSelector::updateSelectionName()
 389 {
 390   if (mySelectedObject) {
 391     std::string aName = mySelectedObject->data()->name();
 392     myTextLine->setText(QString::fromStdString(aName));
 393   } else {
 394     if (myIsActive) {
 395       myTextLine->setText("");
 396     }
 397   }
 398 }
 399
 400
 401 //********************************************************************
 402 void ModuleBase_WidgetShapeSelector::activateSelection(bool toActivate)
 403 {
 404   if (myIsActive == toActivate)
 405     return;
 406   myIsActive = toActivate;
 407   updateSelectionName();
 408   ModuleBase_IViewer* aViewer = myWorkshop->viewer();
 409
 410   if (myIsActive) {
 411     connect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 412     if (myUseSubShapes) {
 413
 414       QIntList aList;
 415       foreach (QString aType, myShapeTypes)
 416         aList.append(shapeType(aType));
 417       myWorkshop->activateSubShapesSelection(aList);
 418       if (!myObjectTypes.isEmpty()) {
 419         myObjTypeFilter = new ModuleBase_ObjectTypesFilter(myWorkshop, myObjectTypes);
 420         aViewer->clearSelectionFilters();
 421         aViewer->addSelectionFilter(myObjTypeFilter);
 422       }
 423     }
 424   } else {
 425     disconnect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 426     if (myUseSubShapes) {
 427       if (!myObjTypeFilter.IsNull()) {
 428         aViewer->removeSelectionFilter(myObjTypeFilter);
 429         myObjTypeFilter.Nullify();
 430       }
 431       myWorkshop->deactivateSubShapesSelection();
 432     }
 433   }
 434
 435   /*ModuleBase_FilterFactory* aFactory = myWorkshop->selectionFilters();
 436   const SelectMgr_ListOfFilter& aFilters = aFactory->filters(parentID(), attributeID());
 437   SelectMgr_ListIteratorOfListOfFilter aIt(aFilters);
 438   for (; aIt.More(); aIt.Next()) {
 439     Handle(ModuleBase_Filter) aFilter = Handle(ModuleBase_Filter)::DownCast(aIt.Value());
 440     if (myIsActive)
 441       aViewer->addSelectionFilter(aFilter);
 442     else
 443       aViewer->removeSelectionFilter(aFilter);
 444   }*/
 445 }
 446
 447 //********************************************************************
 448 void ModuleBase_WidgetShapeSelector::raisePanel() const
 449 {
 450   QWidget* aParent = myContainer->parentWidget();
 451   QWidget* aLastPanel = 0;
 452   while (!aParent->inherits("QDockWidget")) {
 453     aLastPanel = aParent;
 454     aParent = aParent->parentWidget();
 455     if (!aParent)
 456       return;
 457   }
 458   if (aParent->inherits("QDockWidget")) {
 459     QDockWidget* aTabWgt = (QDockWidget*) aParent;
 460     aTabWgt->raise();
 461   }
 462 }
 463
 464 //********************************************************************
 465 //bool ModuleBase_WidgetShapeSelector::setSelection(ModuleBase_ViewerPrs theValue)
 466 //{
 467 //  if (theValue.object()) {
 468 //    ObjectPtr aObject = theValue.object();
 469 //    if (acceptObjectShape(aObject)) {
 470 //      setObject(aObject);
 471 //      return true;
 472 //    }
 473 //  }
 474 //  return false;
 475 //}
 476
 477 //********************************************************************
 478 void ModuleBase_WidgetShapeSelector::activate()
 479 {
 480   activateSelection(true);
 481 }
 482
 483 //********************************************************************
 484 void ModuleBase_WidgetShapeSelector::deactivate()
 485 {
 486   activateSelection(false);
 487 }
 488
 489 //********************************************************************
 490 bool ModuleBase_WidgetShapeSelector::isValid(ObjectPtr theObj, std::shared_ptr<GeomAPI_Shape> theShape)
 491 {
 492   SessionPtr aMgr = ModelAPI_Session::get();
 493   ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
 494   std::list<ModelAPI_Validator*> aValidators;
 495   std::list<std::list<std::string> > anArguments;
 496   aFactory->validators(parentID(), attributeID(), aValidators, anArguments);
 497
 498   // Check the type of selected object
 499   std::list<ModelAPI_Validator*>::iterator aValidator = aValidators.begin();
 500   bool isValid = true;
 501   for (; aValidator != aValidators.end(); aValidator++) {
 502     const ModelAPI_ResultValidator* aResValidator =
 503         dynamic_cast<const ModelAPI_ResultValidator*>(*aValidator);
 504     if (aResValidator) {
 505       isValid = false;
 506       if (aResValidator->isValid(theObj)) {
 507         isValid = true;
 508         break;
 509       }
 510     }
 511   }
 512   if (!isValid)
 513     return false;
 514
 515   // Check the acceptability of the object as attribute
 516   aValidator = aValidators.begin();
 517   std::list<std::list<std::string> >::iterator aArgs = anArguments.begin();
 518   for (; aValidator != aValidators.end(); aValidator++, aArgs++) {
 519     const ModelAPI_RefAttrValidator* aAttrValidator =
 520         dynamic_cast<const ModelAPI_RefAttrValidator*>(*aValidator);
 521     if (aAttrValidator) {
 522       if (!aAttrValidator->isValid(myFeature, *aArgs, theObj)) {
 523         return false;
 524       }
 525     }
 526   }
 527   return true;
 528 }