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       else {
 143         AttributeRefAttrPtr aRefAttr = aData->refattr(attributeID());
 144         if (aRefAttr)
 145           aRefAttr->setObject(mySelectedObject);
 146       }
 147       updateObject(myFeature);
 148       return true;
 149     }
 150   } else {
 151     AttributeReferencePtr aRef = aData->reference(attributeID());
 152     if (aRef) {
 153       ObjectPtr aObject = aRef->value();
 154       if (!(aObject && aObject->isSame(mySelectedObject))) {
 155         aRef->setValue(mySelectedObject);
 156         updateObject(myFeature);
 157         return true;
 158       }
 159     } else {
 160       AttributeRefAttrPtr aRefAttr = aData->refattr(attributeID());
 161       if (aRefAttr) {
 162         ObjectPtr aObject = aRefAttr->object();
 163         if (!(aObject && aObject->isSame(mySelectedObject))) {
 164           aRefAttr->setObject(mySelectedObject);
 165           updateObject(myFeature);
 166           return true;
 167         }
 168       }
 169     }
 170   }
 171   return false;
 172 }
 173
 174 //********************************************************************
 175 bool ModuleBase_WidgetShapeSelector::restoreValue()
 176 {
 177   DataPtr aData = myFeature->data();
 178   bool isBlocked = this->blockSignals(true);
 179   if (myUseSubShapes) {
 180     AttributeSelectionPtr aSelect = aData->selection(attributeID());
 181     if (aSelect) {
 182       mySelectedObject = aSelect->context();
 183       myShape = aSelect->value();
 184     }
 185   } else {
 186     AttributeReferencePtr aRef = aData->reference(attributeID());
 187     if (aRef)
 188       mySelectedObject = aRef->value();
 189     else {
 190       AttributeRefAttrPtr aRefAttr = aData->refattr(attributeID());
 191       if (aRefAttr)
 192         mySelectedObject = aRefAttr->object();
 193     }
 194   }
 195   updateSelectionName();
 196
 197   this->blockSignals(isBlocked);
 198   return true;
 199 }
 200
 201 //********************************************************************
 202 QList<QWidget*> ModuleBase_WidgetShapeSelector::getControls() const
 203 {
 204   QList<QWidget*> aControls;
 205   aControls.append(myTextLine);
 206   return aControls;
 207 }
 208
 209 //********************************************************************
 210 void ModuleBase_WidgetShapeSelector::onSelectionChanged()
 211 {
 212   QObjectPtrList aObjects = myWorkshop->selection()->selectedPresentations();
 213   if (aObjects.size() > 0) {
 214     ObjectPtr aObject = aObjects.first();
 215     if ((!mySelectedObject) && (!aObject))
 216       return;
 217
 218     // Check that the selected object is result (others can not be accepted)
 219     ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(aObject);
 220     if (!aRes)
 221       return;
 222
 223     if (myFeature) {
 224       // We can not select a result of our feature
 225       const std::list<std::shared_ptr<ModelAPI_Result>>& aResList = myFeature->results();
 226       std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aIt;
 227       for (aIt = aResList.cbegin(); aIt != aResList.cend(); ++aIt) {
 228         if ((*aIt) == aRes)
 229           return;
 230       }
 231     }
 232     // Check that object belongs to active document or PartSet
 233     DocumentPtr aDoc = aRes->document();
 234     SessionPtr aMgr = ModelAPI_Session::get();
 235     if (!(aDoc == aMgr->activeDocument()) && !(aDoc == aMgr->moduleDocument()))
 236       return;
 237
 238     // Check that the result has a shape
 239     GeomShapePtr aShape = ModelAPI_Tools::shape(aRes);
 240     if (!aShape)
 241       return;
 242
 243     /// Check that object has acceptable type
 244     if (!acceptObjectType(aObject))
 245       return;
 246
 247     // Get sub-shapes from local selection
 248     if (myUseSubShapes) {
 249       NCollection_List<TopoDS_Shape> aShapeList;
 250       std::list<ObjectPtr> aOwners;
 251       myWorkshop->selection()->selectedShapes(aShapeList, aOwners);
 252       if (aShapeList.Extent() > 0) {
 253         aShape = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
 254         aShape->setImpl(new TopoDS_Shape(aShapeList.First()));
 255       }
 256     }
 257
 258     // Check that the selection corresponds to selection type
 259     if (myUseSubShapes) {
 260       if (!acceptSubShape(aShape))
 261         return;
 262     } else {
 263       if (!acceptObjectShape(aObject))
 264         return;
 265     }
 266     setObject(aObject, aShape);
 267     emit focusOutWidget(this);
 268   }
 269 }
 270
 271 //********************************************************************
 272 void ModuleBase_WidgetShapeSelector::setObject(ObjectPtr theObj, std::shared_ptr<GeomAPI_Shape> theShape)
 273 {
 274   mySelectedObject = theObj;
 275   myShape = theShape;
 276   if (mySelectedObject) {
 277     raisePanel();
 278   }
 279   updateSelectionName();
 280   emit valuesChanged();
 281 }
 282
 283 //********************************************************************
 284 bool ModuleBase_WidgetShapeSelector::acceptObjectShape(const ObjectPtr theResult) const
 285 {
 286   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theResult);
 287
 288   // Check that the shape of necessary type
 289   std::shared_ptr<GeomAPI_Shape> aShapePtr = ModelAPI_Tools::shape(aResult);
 290   if (!aShapePtr)
 291     return false;
 292   TopoDS_Shape aShape = aShapePtr->impl<TopoDS_Shape>();
 293   if (aShape.IsNull())
 294     return false;
 295
 296   TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
 297   if (aShapeType == TopAbs_COMPOUND) {
 298     foreach (QString aType, myShapeTypes) {
 299       TopExp_Explorer aEx(aShape, shapeType(aType));
 300       if (aEx.More())
 301         return true;
 302     }
 303   } else {
 304     foreach (QString aType, myShapeTypes) {
 305       if (shapeType(aType) == aShapeType)
 306         return true;
 307     }
 308   }
 309   return false;
 310 }
 311
 312 //********************************************************************
 313 bool ModuleBase_WidgetShapeSelector::acceptSubShape(std::shared_ptr<GeomAPI_Shape> theShape) const
 314 {
 315   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 316   foreach (QString aType, myShapeTypes) {
 317     if (aShape.ShapeType() == shapeType(aType))
 318       return true;
 319   }
 320   return false;
 321 }
 322
 323 //********************************************************************
 324 bool ModuleBase_WidgetShapeSelector::acceptObjectType(const ObjectPtr theObject) const
 325 {
 326   // Definition of types is not obligatory. If types are not defined then
 327   // it means that accepted any type
 328   if (myObjectTypes.isEmpty())
 329     return true;
 330
 331   foreach (QString aType, myObjectTypes) {
 332     if (aType.toLower() == "construction") {
 333       ResultConstructionPtr aConstr =
 334         std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(theObject);
 335       return (aConstr != NULL);
 336     } // ToDo: Process other types of objects
 337   }
 338   // Object type is defined but not found
 339   return false;
 340 }
 341
 342
 343 //********************************************************************
 344 void ModuleBase_WidgetShapeSelector::updateSelectionName()
 345 {
 346   if (mySelectedObject) {
 347     std::string aName = mySelectedObject->data()->name();
 348     myTextLine->setText(QString::fromStdString(aName));
 349   } else {
 350     if (myIsActive) {
 351       myTextLine->setText("");
 352     }
 353   }
 354 }
 355
 356
 357 //********************************************************************
 358 void ModuleBase_WidgetShapeSelector::activateSelection(bool toActivate)
 359 {
 360   if (myIsActive == toActivate)
 361     return;
 362   myIsActive = toActivate;
 363   updateSelectionName();
 364
 365   if (myIsActive) {
 366     connect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 367     if (myUseSubShapes) {
 368
 369       QIntList aList;
 370       foreach (QString aType, myShapeTypes)
 371         aList.append(shapeType(aType));
 372       myWorkshop->activateSubShapesSelection(aList);
 373       if (!myObjectTypes.isEmpty()) {
 374         myObjTypeFilter = new ModuleBase_ObjectTypesFilter(myWorkshop, myObjectTypes);
 375         myWorkshop->viewer()->clearSelectionFilters();
 376         myWorkshop->viewer()->addSelectionFilter(myObjTypeFilter);
 377       }
 378     }
 379   } else {
 380     disconnect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 381     if (myUseSubShapes) {
 382       if (!myObjTypeFilter.IsNull()) {
 383         myWorkshop->viewer()->removeSelectionFilter(myObjTypeFilter);
 384         myObjTypeFilter.Nullify();
 385       }
 386       myWorkshop->deactivateSubShapesSelection();
 387     }
 388   }
 389 }
 390
 391 //********************************************************************
 392 void ModuleBase_WidgetShapeSelector::raisePanel() const
 393 {
 394   QWidget* aParent = myContainer->parentWidget();
 395   QWidget* aLastPanel = 0;
 396   while (!aParent->inherits("QDockWidget")) {
 397     aLastPanel = aParent;
 398     aParent = aParent->parentWidget();
 399     if (!aParent)
 400       return;
 401   }
 402   if (aParent->inherits("QDockWidget")) {
 403     QDockWidget* aTabWgt = (QDockWidget*) aParent;
 404     aTabWgt->raise();
 405   }
 406 }
 407
 408 //********************************************************************
 409 bool ModuleBase_WidgetShapeSelector::setValue(ModuleBase_WidgetValue* theValue)
 410 {
 411   if (theValue) {
 412     ModuleBase_WidgetValueFeature* aFeatureValue =
 413         dynamic_cast<ModuleBase_WidgetValueFeature*>(theValue);
 414     if (aFeatureValue && aFeatureValue->object()) {
 415       ObjectPtr aObject = aFeatureValue->object();
 416       if (acceptObjectShape(aObject)) {
 417         setObject(aObject);
 418         return true;
 419       }
 420     }
 421   }
 422   return false;
 423 }
 424
 425 //********************************************************************
 426 void ModuleBase_WidgetShapeSelector::activate()
 427 {
 428   activateSelection(true);
 429 }
 430
 431 //********************************************************************
 432 void ModuleBase_WidgetShapeSelector::deactivate()
 433 {
 434   activateSelection(false);
 435 }