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 #include <ModelAPI_AttributeReference.h>
  19 #include <ModelAPI_Data.h>
  20 #include <ModelAPI_Document.h>
  21 #include <ModelAPI_Events.h>
  22 #include <ModelAPI_Feature.h>
  23 #include <ModelAPI_Result.h>
  24 #include <ModelAPI_ResultConstruction.h>
  25 #include <ModelAPI_AttributeReference.h>
  26 #include <ModelAPI_AttributeSelection.h>
  27 #include <ModelAPI_Session.h>
  28 #include <ModelAPI_Tools.h>
  29 #include <ModelAPI_ResultBody.h>
  30 #include <Config_WidgetAPI.h>
  31 #include <Events_Error.h>
  32
  33 #include <GeomAPI_Shape.h>
  34
  35 #include <TopoDS_Shape.hxx>
  36 #include <TopExp_Explorer.hxx>
  37
  38 #include <QWidget>
  39 #include <QLayout>
  40 #include <QLabel>
  41 #include <QLineEdit>
  42 #include <QToolButton>
  43 #include <QString>
  44 #include <QEvent>
  45 #include <QDockWidget>
  46
  47 #include <TopExp_Explorer.hxx>
  48 #include <TopoDS_Shape.hxx>
  49
  50 #include <boost/smart_ptr/shared_ptr.hpp>
  51
  52 #include <list>
  53 #include <string>
  54
  55 typedef QMap<QString, TopAbs_ShapeEnum> ShapeTypes;
  56 static ShapeTypes MyShapeTypes;
  57
  58 TopAbs_ShapeEnum ModuleBase_WidgetShapeSelector::shapeType(const QString& theType)
  59 {
  60   if (MyShapeTypes.count() == 0) {
  61     MyShapeTypes["face"] = TopAbs_FACE;
  62     MyShapeTypes["faces"] = TopAbs_FACE;
  63     MyShapeTypes["vertex"] = TopAbs_VERTEX;
  64     MyShapeTypes["vertices"] = TopAbs_VERTEX;
  65     MyShapeTypes["wire"] = TopAbs_WIRE;
  66     MyShapeTypes["edge"] = TopAbs_EDGE;
  67     MyShapeTypes["edges"] = TopAbs_EDGE;
  68     MyShapeTypes["shell"] = TopAbs_SHELL;
  69     MyShapeTypes["solid"] = TopAbs_SOLID;
  70     MyShapeTypes["solids"] = TopAbs_SOLID;
  71   }
  72   QString aType = theType.toLower();
  73   if (MyShapeTypes.contains(aType))
  74     return MyShapeTypes[aType];
  75   Events_Error::send("Shape type defined in XML is not implemented!");
  76   return TopAbs_SHAPE;
  77 }
  78
  79 ModuleBase_WidgetShapeSelector::ModuleBase_WidgetShapeSelector(QWidget* theParent,
  80                                                      ModuleBase_IWorkshop* theWorkshop,
  81                                                      const Config_WidgetAPI* theData,
  82                                                      const std::string& theParentId)
  83     : ModuleBase_ModelWidget(theParent, theData, theParentId),
  84       myWorkshop(theWorkshop), myIsActive(false), myUseSubShapes(false)
  85 {
  86   myContainer = new QWidget(theParent);
  87   QHBoxLayout* aLayout = new QHBoxLayout(myContainer);
  88   ModuleBase_Tools::adjustMargins(aLayout);
  89
  90   QString aLabelText = QString::fromStdString(theData->widgetLabel());
  91   QString aLabelIcon = QString::fromStdString(theData->widgetIcon());
  92   myLabel = new QLabel(aLabelText, myContainer);
  93   if (!aLabelIcon.isEmpty())
  94     myLabel->setPixmap(QPixmap(aLabelIcon));
  95
  96   aLayout->addWidget(myLabel);
  97
  98   QString aToolTip = QString::fromStdString(theData->widgetTooltip());
  99   myTextLine = new QLineEdit(myContainer);
 100   myTextLine->setReadOnly(true);
 101   myTextLine->setToolTip(aToolTip);
 102   myTextLine->installEventFilter(this);
 103
 104   myBasePalet = myTextLine->palette();
 105   myInactivePalet = myBasePalet;
 106   myInactivePalet.setBrush(QPalette::Base, QBrush(Qt::gray, Qt::Dense6Pattern));
 107   myTextLine->setPalette(myInactivePalet);
 108
 109   aLayout->addWidget(myTextLine, 1);
 110
 111   std::string aTypes = theData->getProperty("shape_types");
 112   myShapeTypes = QString(aTypes.c_str()).split(' ', QString::SkipEmptyParts);
 113
 114   std::string aObjTypes = theData->getProperty("object_types");
 115   myObjectTypes = QString(aObjTypes.c_str()).split(' ', QString::SkipEmptyParts);
 116
 117   myUseSubShapes = theData->getBooleanAttribute("use_subshapes", false);
 118 }
 119
 120 //********************************************************************
 121 ModuleBase_WidgetShapeSelector::~ModuleBase_WidgetShapeSelector()
 122 {
 123   activateSelection(false);
 124 }
 125
 126 //********************************************************************
 127 bool ModuleBase_WidgetShapeSelector::storeValue() const
 128 {
 129   FeaturePtr aSelectedFeature = ModelAPI_Feature::feature(mySelectedObject);
 130   if (aSelectedFeature == myFeature)  // In order to avoid selection of the same object
 131     return false;
 132
 133   DataPtr aData = myFeature->data();
 134   if (myUseSubShapes) {
 135     boost::shared_ptr<ModelAPI_AttributeSelection> aSelect =
 136       boost::dynamic_pointer_cast<ModelAPI_AttributeSelection>(aData->attribute(attributeID()));
 137
 138     ResultPtr aBody = boost::dynamic_pointer_cast<ModelAPI_Result>(mySelectedObject);
 139     if (aBody) {
 140       aSelect->setValue(aBody, myShape);
 141       updateObject(myFeature);
 142       return true;
 143     }
 144   } else {
 145     boost::shared_ptr<ModelAPI_AttributeReference> aRef =
 146       boost::dynamic_pointer_cast<ModelAPI_AttributeReference>(aData->attribute(attributeID()));
 147
 148     ObjectPtr aObject = aRef->value();
 149     if (!(aObject && aObject->isSame(mySelectedObject))) {
 150       aRef->setValue(mySelectedObject);
 151       updateObject(myFeature);
 152       return true;
 153     }
 154   }
 155   return false;
 156 }
 157
 158 //********************************************************************
 159 bool ModuleBase_WidgetShapeSelector::restoreValue()
 160 {
 161   DataPtr aData = myFeature->data();
 162   bool isBlocked = this->blockSignals(true);
 163   if (myUseSubShapes) {
 164     boost::shared_ptr<ModelAPI_AttributeSelection> aSelect = aData->selection(attributeID());
 165     if (aSelect) {
 166       mySelectedObject = aSelect->context();
 167       myShape = aSelect->value();
 168     }
 169   } else {
 170     boost::shared_ptr<ModelAPI_AttributeReference> aRef = aData->reference(attributeID());
 171     mySelectedObject = aRef->value();
 172   }
 173   updateSelectionName();
 174
 175   this->blockSignals(isBlocked);
 176   return true;
 177 }
 178
 179 //********************************************************************
 180 QList<QWidget*> ModuleBase_WidgetShapeSelector::getControls() const
 181 {
 182   QList<QWidget*> aControls;
 183   aControls.append(myLabel);
 184   aControls.append(myTextLine);
 185   return aControls;
 186 }
 187
 188 //********************************************************************
 189 void ModuleBase_WidgetShapeSelector::onSelectionChanged()
 190 {
 191   QList<ObjectPtr> aObjects = myWorkshop->selection()->selectedObjects();
 192   if (aObjects.size() > 0) {
 193     ObjectPtr aObject = aObjects.first();
 194     if ((!mySelectedObject) && (!aObject))
 195       return;
 196
 197     // Check that the selected object is result (others can not be accepted)
 198     ResultPtr aRes = boost::dynamic_pointer_cast<ModelAPI_Result>(aObject);
 199     if (!aRes)
 200       return;
 201
 202     if (myFeature) {
 203       // We can not select a result of our feature
 204       const std::list<boost::shared_ptr<ModelAPI_Result>>& aResList = myFeature->results();
 205       std::list<boost::shared_ptr<ModelAPI_Result> >::const_iterator aIt;
 206       for (aIt = aResList.cbegin(); aIt != aResList.cend(); ++aIt) {
 207         if ((*aIt) == aRes)
 208           return;
 209       }
 210     }
 211     // Check that object belongs to active document or PartSet
 212     DocumentPtr aDoc = aRes->document();
 213     SessionPtr aMgr = ModelAPI_Session::get();
 214     if (!(aDoc == aMgr->activeDocument()) || (aDoc == aMgr->moduleDocument()))
 215       return;
 216
 217     // Check that the result has a shape
 218     GeomShapePtr aShape = ModelAPI_Tools::shape(aRes);
 219     if (!aShape)
 220       return;
 221
 222     /// Check that object has acceptable type
 223     if (!acceptObjectType(aObject))
 224       return;
 225
 226     // Get sub-shapes from local selection
 227     if (myUseSubShapes) {
 228       NCollection_List<TopoDS_Shape> aShapeList;
 229       std::list<ObjectPtr> aOwners;
 230       myWorkshop->selection()->selectedShapes(aShapeList, aOwners);
 231       if (aShapeList.Extent() > 0) {
 232         aShape = boost::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
 233         aShape->setImpl(new TopoDS_Shape(aShapeList.First()));
 234       }
 235     }
 236
 237     // Check that the selection corresponds to selection type
 238     if (myUseSubShapes) {
 239       if (!acceptSubShape(aShape))
 240         return;
 241     } else {
 242       if (!acceptObjectShape(aObject))
 243         return;
 244     }
 245     setObject(aObject, aShape);
 246     //activateSelection(false);
 247     emit focusOutWidget(this);
 248   }
 249 }
 250
 251 //********************************************************************
 252 void ModuleBase_WidgetShapeSelector::setObject(ObjectPtr theObj, boost::shared_ptr<GeomAPI_Shape> theShape)
 253 {
 254   mySelectedObject = theObj;
 255   myShape = theShape;
 256   if (mySelectedObject) {
 257     raisePanel();
 258     if (!myUseSubShapes) {
 259       static Events_ID anEvent = Events_Loop::eventByName(EVENT_OBJECT_TOHIDE);
 260       ModelAPI_EventCreator::get()->sendUpdated(mySelectedObject, anEvent);
 261     }
 262   }
 263   updateSelectionName();
 264   activateSelection(false);
 265   emit valuesChanged();
 266 }
 267
 268 //********************************************************************
 269 bool ModuleBase_WidgetShapeSelector::acceptObjectShape(const ObjectPtr theResult) const
 270 {
 271   ResultPtr aResult = boost::dynamic_pointer_cast<ModelAPI_Result>(theResult);
 272
 273   // Check that the shape of necessary type
 274   boost::shared_ptr<GeomAPI_Shape> aShapePtr = ModelAPI_Tools::shape(aResult);
 275   if (!aShapePtr)
 276     return false;
 277   TopoDS_Shape aShape = aShapePtr->impl<TopoDS_Shape>();
 278   if (aShape.IsNull())
 279     return false;
 280
 281   TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
 282   if (aShapeType == TopAbs_COMPOUND) {
 283     foreach (QString aType, myShapeTypes) {
 284       TopExp_Explorer aEx(aShape, shapeType(aType));
 285       if (aEx.More())
 286         return true;
 287     }
 288   } else {
 289     foreach (QString aType, myShapeTypes) {
 290       if (shapeType(aType) == aShapeType)
 291         return true;
 292     }
 293   }
 294   return false;
 295 }
 296
 297 //********************************************************************
 298 bool ModuleBase_WidgetShapeSelector::acceptSubShape(boost::shared_ptr<GeomAPI_Shape> theShape) const
 299 {
 300   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 301   foreach (QString aType, myShapeTypes) {
 302     if (aShape.ShapeType() == shapeType(aType))
 303       return true;
 304   }
 305   return false;
 306 }
 307
 308 //********************************************************************
 309 bool ModuleBase_WidgetShapeSelector::acceptObjectType(const ObjectPtr theObject) const
 310 {
 311   // Definition of types is not obligatory. If types are not defined then
 312   // it means that accepted any type
 313   if (myObjectTypes.isEmpty())
 314     return true;
 315
 316   foreach (QString aType, myObjectTypes) {
 317     if (aType.toLower() == "construction") {
 318       ResultConstructionPtr aConstr =
 319         boost::dynamic_pointer_cast<ModelAPI_ResultConstruction>(theObject);
 320       return (aConstr != NULL);
 321     } // ToDo: Process other types of objects
 322   }
 323   // Object type is defined but not found
 324   return false;
 325 }
 326
 327
 328 //********************************************************************
 329 void ModuleBase_WidgetShapeSelector::updateSelectionName()
 330 {
 331   if (mySelectedObject) {
 332     std::string aName = mySelectedObject->data()->name();
 333     myTextLine->setText(QString::fromStdString(aName));
 334   } else {
 335     if (myIsActive) {
 336       QString aMsg = tr("Select a ");
 337       int i = 0;
 338       foreach (QString aType, myShapeTypes) {
 339         if (i > 0)
 340           aMsg += " or ";
 341         aMsg += aType;
 342         i++;
 343       }
 344       myTextLine->setText(aMsg);
 345     } else
 346       myTextLine->setText(tr("No object selected"));
 347   }
 348 }
 349
 350
 351 //********************************************************************
 352 void ModuleBase_WidgetShapeSelector::activateSelection(bool toActivate)
 353 {
 354   myIsActive = toActivate;
 355   if (myIsActive)
 356     myTextLine->setPalette(myBasePalet);
 357   else
 358     myTextLine->setPalette(myInactivePalet);
 359   updateSelectionName();
 360
 361   if (myIsActive) {
 362     connect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 363     if (myUseSubShapes) {
 364
 365       QIntList aList;
 366       foreach (QString aType, myShapeTypes)
 367         aList.append(shapeType(aType));
 368       myWorkshop->activateSubShapesSelection(aList);
 369       if (!myObjectTypes.isEmpty()) {
 370         myObjTypeFilter = new ModuleBase_ObjectTypesFilter(myWorkshop, myObjectTypes);
 371         myWorkshop->viewer()->clearSelectionFilters();
 372         myWorkshop->viewer()->addSelectionFilter(myObjTypeFilter);
 373       }
 374     }
 375   } else {
 376     disconnect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 377     if (myUseSubShapes) {
 378       if (!myObjTypeFilter.IsNull()) {
 379         myWorkshop->viewer()->removeSelectionFilter(myObjTypeFilter);
 380         myObjTypeFilter.Nullify();
 381       }
 382       myWorkshop->deactivateSubShapesSelection();
 383     }
 384   }
 385 }
 386
 387 //********************************************************************
 388 void ModuleBase_WidgetShapeSelector::raisePanel() const
 389 {
 390   QWidget* aParent = myContainer->parentWidget();
 391   QWidget* aLastPanel = 0;
 392   while (!aParent->inherits("QDockWidget")) {
 393     aLastPanel = aParent;
 394     aParent = aParent->parentWidget();
 395     if (!aParent)
 396       return;
 397   }
 398   if (aParent->inherits("QDockWidget")) {
 399     QDockWidget* aTabWgt = (QDockWidget*) aParent;
 400     aTabWgt->raise();
 401   }
 402 }
 403
 404 //********************************************************************
 405 bool ModuleBase_WidgetShapeSelector::focusTo()
 406 {
 407   activateSelection(true);
 408   return true;
 409 }
 410
 411 //********************************************************************
 412 bool ModuleBase_WidgetShapeSelector::eventFilter(QObject* theObj, QEvent* theEvent)
 413 {
 414   if (theObj == myTextLine) {
 415     if (theEvent->type() == QEvent::FocusIn)
 416       activateSelection(true);
 417   }
 418   return ModuleBase_ModelWidget::eventFilter(theObj, theEvent);
 419 }
 420
 421 //********************************************************************
 422 bool ModuleBase_WidgetShapeSelector::setValue(ModuleBase_WidgetValue* theValue)
 423 {
 424   if (theValue) {
 425     ModuleBase_WidgetValueFeature* aFeatureValue =
 426         dynamic_cast<ModuleBase_WidgetValueFeature*>(theValue);
 427     if (aFeatureValue && aFeatureValue->object()) {
 428       ObjectPtr aObject = aFeatureValue->object();
 429       if (acceptObjectShape(aObject)) {
 430         setObject(aObject);
 431         return true;
 432       }
 433     }
 434   }
 435   return false;
 436 }
 437