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