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     if (setSelection(aSelected.first()))
 253       emit focusOutWidget(this);
 254   }
 255 }
 256
 257 //********************************************************************
 258 bool ModuleBase_WidgetShapeSelector::setSelection(ModuleBase_ViewerPrs theValue)
 259 {
 260   ObjectPtr aObject = theValue.object();
 261   if ((!mySelectedObject) && (!aObject))
 262     return false;
 263
 264   // Check that the selected object is result (others can not be accepted)
 265   ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(aObject);
 266   if (!aRes)
 267     return false;
 268
 269   if (myFeature) {
 270     // We can not select a result of our feature
 271     const std::list<std::shared_ptr<ModelAPI_Result>>& aResList = myFeature->results();
 272     std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aIt;
 273     for (aIt = aResList.cbegin(); aIt != aResList.cend(); ++aIt) {
 274       if ((*aIt) == aRes)
 275         return false;
 276     }
 277   }
 278   // Check that object belongs to active document or PartSet
 279   DocumentPtr aDoc = aRes->document();
 280   SessionPtr aMgr = ModelAPI_Session::get();
 281   if (!(aDoc == aMgr->activeDocument()) && !(aDoc == aMgr->moduleDocument()))
 282     return false;
 283
 284   // Check that the result has a shape
 285   GeomShapePtr aShape = ModelAPI_Tools::shape(aRes);
 286   if (!aShape)
 287     return false;
 288
 289   /// Check that object has acceptable type
 290   if (!acceptObjectType(aObject))
 291     return false;
 292
 293   // Get sub-shapes from local selection
 294   if (myUseSubShapes) {
 295     if (!theValue.shape().IsNull()) {
 296       aShape = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
 297       aShape->setImpl(new TopoDS_Shape(theValue.shape()));
 298     }
 299   }
 300
 301   // Check that the selection corresponds to selection type
 302   if (myUseSubShapes) {
 303     if (!acceptSubShape(aShape))
 304       return false;
 305   } else {
 306     if (!acceptObjectShape(aObject))
 307       return false;
 308   }
 309   if (isValid(aObject, aShape)) {
 310     setObject(aObject, aShape);
 311     return true;
 312   }
 313   return false;
 314 }
 315
 316 //********************************************************************
 317 void ModuleBase_WidgetShapeSelector::setObject(ObjectPtr theObj, std::shared_ptr<GeomAPI_Shape> theShape)
 318 {
 319   mySelectedObject = theObj;
 320   myShape = theShape;
 321   if (mySelectedObject) {
 322     raisePanel();
 323   }
 324   updateSelectionName();
 325   emit valuesChanged();
 326 }
 327
 328 //********************************************************************
 329 bool ModuleBase_WidgetShapeSelector::acceptObjectShape(const ObjectPtr theResult) const
 330 {
 331   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theResult);
 332
 333   // Check that the shape of necessary type
 334   std::shared_ptr<GeomAPI_Shape> aShapePtr = ModelAPI_Tools::shape(aResult);
 335   if (!aShapePtr)
 336     return false;
 337   TopoDS_Shape aShape = aShapePtr->impl<TopoDS_Shape>();
 338   if (aShape.IsNull())
 339     return false;
 340
 341   TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
 342   if (aShapeType == TopAbs_COMPOUND) {
 343     foreach (QString aType, myShapeTypes) {
 344       TopExp_Explorer aEx(aShape, shapeType(aType));
 345       if (aEx.More())
 346         return true;
 347     }
 348   } else {
 349     foreach (QString aType, myShapeTypes) {
 350       if (shapeType(aType) == aShapeType)
 351         return true;
 352     }
 353   }
 354   return false;
 355 }
 356
 357 //********************************************************************
 358 bool ModuleBase_WidgetShapeSelector::acceptSubShape(std::shared_ptr<GeomAPI_Shape> theShape) const
 359 {
 360   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 361   foreach (QString aType, myShapeTypes) {
 362     if (aShape.ShapeType() == shapeType(aType))
 363       return true;
 364   }
 365   return false;
 366 }
 367
 368 //********************************************************************
 369 bool ModuleBase_WidgetShapeSelector::acceptObjectType(const ObjectPtr theObject) const
 370 {
 371   // Definition of types is not obligatory. If types are not defined then
 372   // it means that accepted any type
 373   if (myObjectTypes.isEmpty())
 374     return true;
 375
 376   foreach (QString aType, myObjectTypes) {
 377     if (aType.toLower() == "construction") {
 378       ResultConstructionPtr aConstr =
 379         std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(theObject);
 380       return (aConstr != NULL);
 381     } // ToDo: Process other types of objects
 382   }
 383   // Object type is defined but not found
 384   return false;
 385 }
 386
 387
 388 //********************************************************************
 389 void ModuleBase_WidgetShapeSelector::updateSelectionName()
 390 {
 391   if (mySelectedObject) {
 392     std::string aName = mySelectedObject->data()->name();
 393     myTextLine->setText(QString::fromStdString(aName));
 394   } else {
 395     if (myIsActive) {
 396       myTextLine->setText("");
 397     }
 398   }
 399 }
 400
 401
 402 //********************************************************************
 403 void ModuleBase_WidgetShapeSelector::activateSelection(bool toActivate)
 404 {
 405   if (myIsActive == toActivate)
 406     return;
 407   myIsActive = toActivate;
 408   updateSelectionName();
 409   ModuleBase_IViewer* aViewer = myWorkshop->viewer();
 410
 411   if (myIsActive) {
 412     connect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 413     if (myUseSubShapes) {
 414
 415       QIntList aList;
 416       foreach (QString aType, myShapeTypes)
 417         aList.append(shapeType(aType));
 418       myWorkshop->activateSubShapesSelection(aList);
 419       if (!myObjectTypes.isEmpty()) {
 420         myObjTypeFilter = new ModuleBase_ObjectTypesFilter(myWorkshop, myObjectTypes);
 421         aViewer->clearSelectionFilters();
 422         aViewer->addSelectionFilter(myObjTypeFilter);
 423       }
 424     }
 425   } else {
 426     disconnect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 427     if (myUseSubShapes) {
 428       if (!myObjTypeFilter.IsNull()) {
 429         aViewer->removeSelectionFilter(myObjTypeFilter);
 430         myObjTypeFilter.Nullify();
 431       }
 432       myWorkshop->deactivateSubShapesSelection();
 433     }
 434   }
 435
 436   /*ModuleBase_FilterFactory* aFactory = myWorkshop->selectionFilters();
 437   const SelectMgr_ListOfFilter& aFilters = aFactory->filters(parentID(), attributeID());
 438   SelectMgr_ListIteratorOfListOfFilter aIt(aFilters);
 439   for (; aIt.More(); aIt.Next()) {
 440     Handle(ModuleBase_Filter) aFilter = Handle(ModuleBase_Filter)::DownCast(aIt.Value());
 441     if (myIsActive)
 442       aViewer->addSelectionFilter(aFilter);
 443     else
 444       aViewer->removeSelectionFilter(aFilter);
 445   }*/
 446 }
 447
 448 //********************************************************************
 449 void ModuleBase_WidgetShapeSelector::raisePanel() const
 450 {
 451   QWidget* aParent = myContainer->parentWidget();
 452   QWidget* aLastPanel = 0;
 453   while (!aParent->inherits("QDockWidget")) {
 454     aLastPanel = aParent;
 455     aParent = aParent->parentWidget();
 456     if (!aParent)
 457       return;
 458   }
 459   if (aParent->inherits("QDockWidget")) {
 460     QDockWidget* aTabWgt = (QDockWidget*) aParent;
 461     aTabWgt->raise();
 462   }
 463 }
 464
 465 //********************************************************************
 466 //bool ModuleBase_WidgetShapeSelector::setSelection(ModuleBase_ViewerPrs theValue)
 467 //{
 468 //  if (theValue.object()) {
 469 //    ObjectPtr aObject = theValue.object();
 470 //    if (acceptObjectShape(aObject)) {
 471 //      setObject(aObject);
 472 //      return true;
 473 //    }
 474 //  }
 475 //  return false;
 476 //}
 477
 478 //********************************************************************
 479 void ModuleBase_WidgetShapeSelector::activate()
 480 {
 481   activateSelection(true);
 482 }
 483
 484 //********************************************************************
 485 void ModuleBase_WidgetShapeSelector::deactivate()
 486 {
 487   activateSelection(false);
 488 }
 489
 490 //********************************************************************
 491 bool ModuleBase_WidgetShapeSelector::isValid(ObjectPtr theObj, std::shared_ptr<GeomAPI_Shape> theShape)
 492 {
 493   SessionPtr aMgr = ModelAPI_Session::get();
 494   ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
 495   std::list<ModelAPI_Validator*> aValidators;
 496   std::list<std::list<std::string> > anArguments;
 497   aFactory->validators(parentID(), attributeID(), aValidators, anArguments);
 498
 499   // Check the type of selected object
 500   std::list<ModelAPI_Validator*>::iterator aValidator = aValidators.begin();
 501   bool isValid = true;
 502   for (; aValidator != aValidators.end(); aValidator++) {
 503     const ModelAPI_ResultValidator* aResValidator =
 504         dynamic_cast<const ModelAPI_ResultValidator*>(*aValidator);
 505     if (aResValidator) {
 506       isValid = false;
 507       if (aResValidator->isValid(theObj)) {
 508         isValid = true;
 509         break;
 510       }
 511     }
 512   }
 513   if (!isValid)
 514     return false;
 515
 516   // Check the acceptability of the object as attribute
 517   aValidator = aValidators.begin();
 518   std::list<std::list<std::string> >::iterator aArgs = anArguments.begin();
 519   for (; aValidator != aValidators.end(); aValidator++, aArgs++) {
 520     const ModelAPI_RefAttrValidator* aAttrValidator =
 521         dynamic_cast<const ModelAPI_RefAttrValidator*>(*aValidator);
 522     if (aAttrValidator) {
 523       if (!aAttrValidator->isValid(myFeature, *aArgs, theObj)) {
 524         return false;
 525       }
 526     }
 527   }
 528   return true;
 529 }