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
  50 #include <TopExp_Explorer.hxx>
  51 #include <TopoDS_Shape.hxx>
  52
  53 #include <memory>
  54
  55 #include <list>
  56 #include <string>
  57
  58 typedef QMap<QString, TopAbs_ShapeEnum> ShapeTypes;
  59 static ShapeTypes MyShapeTypes;
  60
  61 TopAbs_ShapeEnum ModuleBase_WidgetShapeSelector::shapeType(const QString& theType)
  62 {
  63   if (MyShapeTypes.count() == 0) {
  64     MyShapeTypes["face"] = TopAbs_FACE;
  65     MyShapeTypes["faces"] = TopAbs_FACE;
  66     MyShapeTypes["vertex"] = TopAbs_VERTEX;
  67     MyShapeTypes["vertices"] = TopAbs_VERTEX;
  68     MyShapeTypes["wire"] = TopAbs_WIRE;
  69     MyShapeTypes["edge"] = TopAbs_EDGE;
  70     MyShapeTypes["edges"] = TopAbs_EDGE;
  71     MyShapeTypes["shell"] = TopAbs_SHELL;
  72     MyShapeTypes["solid"] = TopAbs_SOLID;
  73     MyShapeTypes["solids"] = TopAbs_SOLID;
  74   }
  75   QString aType = theType.toLower();
  76   if (MyShapeTypes.contains(aType))
  77     return MyShapeTypes[aType];
  78   Events_Error::send("Shape type defined in XML is not implemented!");
  79   return TopAbs_SHAPE;
  80 }
  81
  82 ModuleBase_WidgetShapeSelector::ModuleBase_WidgetShapeSelector(QWidget* theParent,
  83                                                      ModuleBase_IWorkshop* theWorkshop,
  84                                                      const Config_WidgetAPI* theData,
  85                                                      const std::string& theParentId)
  86     : ModuleBase_ModelWidget(theParent, theData, theParentId),
  87       myWorkshop(theWorkshop), myIsActive(false), myUseSubShapes(false)
  88 {
  89   myContainer = new QWidget(theParent);
  90   QHBoxLayout* aLayout = new QHBoxLayout(myContainer);
  91   ModuleBase_Tools::adjustMargins(aLayout);
  92
  93   QString aLabelText = QString::fromStdString(theData->widgetLabel());
  94   QString aLabelIcon = QString::fromStdString(theData->widgetIcon());
  95   myLabel = new QLabel(aLabelText, myContainer);
  96   if (!aLabelIcon.isEmpty())
  97     myLabel->setPixmap(QPixmap(aLabelIcon));
  98
  99   aLayout->addWidget(myLabel);
 100
 101   QString aToolTip = QString::fromStdString(theData->widgetTooltip());
 102   myTextLine = new QLineEdit(myContainer);
 103   myTextLine->setReadOnly(true);
 104   myTextLine->setToolTip(aToolTip);
 105   myTextLine->installEventFilter(this);
 106
 107   aLayout->addWidget(myTextLine, 1);
 108
 109   std::string aTypes = theData->getProperty("shape_types");
 110   myShapeTypes = QString(aTypes.c_str()).split(' ', QString::SkipEmptyParts);
 111
 112   std::string aObjTypes = theData->getProperty("object_types");
 113   myObjectTypes = QString(aObjTypes.c_str()).split(' ', QString::SkipEmptyParts);
 114
 115   myUseSubShapes = theData->getBooleanAttribute("use_subshapes", false);
 116 }
 117
 118 //********************************************************************
 119 ModuleBase_WidgetShapeSelector::~ModuleBase_WidgetShapeSelector()
 120 {
 121   activateSelection(false);
 122 }
 123
 124 //********************************************************************
 125 bool ModuleBase_WidgetShapeSelector::storeValue() const
 126 {
 127   FeaturePtr aSelectedFeature = ModelAPI_Feature::feature(mySelectedObject);
 128   if (aSelectedFeature == myFeature)  // In order to avoid selection of the same object
 129     return false;
 130
 131   DataPtr aData = myFeature->data();
 132   if (myUseSubShapes) {
 133     ResultPtr aBody = std::dynamic_pointer_cast<ModelAPI_Result>(mySelectedObject);
 134     if (aBody) {
 135       AttributePtr aAttr = aData->attribute(attributeID());
 136       std::shared_ptr<ModelAPI_AttributeSelection> aSelectAttr =
 137         std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(aAttr);
 138
 139       if (aSelectAttr)
 140         aSelectAttr->setValue(aBody, myShape);
 141       updateObject(myFeature);
 142       return true;
 143     }
 144   } else {
 145     AttributeReferencePtr aRef = aData->reference(attributeID());
 146     if (aRef) {
 147       ObjectPtr aObject = aRef->value();
 148       if (!(aObject && aObject->isSame(mySelectedObject))) {
 149         aRef->setValue(mySelectedObject);
 150         updateObject(myFeature);
 151         return true;
 152       }
 153     } else {
 154       AttributeRefAttrPtr aRefAttr = aData->refattr(attributeID());
 155       if (aRefAttr) {
 156         ObjectPtr aObject = aRefAttr->object();
 157         if (!(aObject && aObject->isSame(mySelectedObject))) {
 158           aRefAttr->setObject(mySelectedObject);
 159           updateObject(myFeature);
 160           return true;
 161         }
 162       }
 163     }
 164   }
 165   return false;
 166 }
 167
 168 //********************************************************************
 169 bool ModuleBase_WidgetShapeSelector::restoreValue()
 170 {
 171   DataPtr aData = myFeature->data();
 172   bool isBlocked = this->blockSignals(true);
 173   if (myUseSubShapes) {
 174     std::shared_ptr<ModelAPI_AttributeSelection> aSelect = aData->selection(attributeID());
 175     if (aSelect) {
 176       mySelectedObject = aSelect->context();
 177       myShape = aSelect->value();
 178     }
 179   } else {
 180     AttributeReferencePtr aRef = aData->reference(attributeID());
 181     if (aRef)
 182       mySelectedObject = aRef->value();
 183     else {
 184       AttributeRefAttrPtr aRefAttr = aData->refattr(attributeID());
 185       if (aRefAttr)
 186         mySelectedObject = aRefAttr->object();
 187     }
 188   }
 189   updateSelectionName();
 190
 191   this->blockSignals(isBlocked);
 192   return true;
 193 }
 194
 195 //********************************************************************
 196 QList<QWidget*> ModuleBase_WidgetShapeSelector::getControls() const
 197 {
 198   QList<QWidget*> aControls;
 199   aControls.append(myTextLine);
 200   return aControls;
 201 }
 202
 203 //********************************************************************
 204 void ModuleBase_WidgetShapeSelector::onSelectionChanged()
 205 {
 206   QObjectPtrList aObjects = myWorkshop->selection()->selectedPresentations();
 207   if (aObjects.size() > 0) {
 208     ObjectPtr aObject = aObjects.first();
 209     if ((!mySelectedObject) && (!aObject))
 210       return;
 211
 212     // Check that the selected object is result (others can not be accepted)
 213     ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(aObject);
 214     if (!aRes)
 215       return;
 216
 217     if (myFeature) {
 218       // We can not select a result of our feature
 219       const std::list<std::shared_ptr<ModelAPI_Result>>& aResList = myFeature->results();
 220       std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aIt;
 221       for (aIt = aResList.cbegin(); aIt != aResList.cend(); ++aIt) {
 222         if ((*aIt) == aRes)
 223           return;
 224       }
 225     }
 226     // Check that object belongs to active document or PartSet
 227     DocumentPtr aDoc = aRes->document();
 228     SessionPtr aMgr = ModelAPI_Session::get();
 229     if (!(aDoc == aMgr->activeDocument()) && !(aDoc == aMgr->moduleDocument()))
 230       return;
 231
 232     // Check that the result has a shape
 233     GeomShapePtr aShape = ModelAPI_Tools::shape(aRes);
 234     if (!aShape)
 235       return;
 236
 237     /// Check that object has acceptable type
 238     if (!acceptObjectType(aObject))
 239       return;
 240
 241     // Get sub-shapes from local selection
 242     if (myUseSubShapes) {
 243       NCollection_List<TopoDS_Shape> aShapeList;
 244       std::list<ObjectPtr> aOwners;
 245       myWorkshop->selection()->selectedShapes(aShapeList, aOwners);
 246       if (aShapeList.Extent() > 0) {
 247         aShape = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
 248         aShape->setImpl(new TopoDS_Shape(aShapeList.First()));
 249       }
 250     }
 251
 252     // Check that the selection corresponds to selection type
 253     if (myUseSubShapes) {
 254       if (!acceptSubShape(aShape))
 255         return;
 256     } else {
 257       if (!acceptObjectShape(aObject))
 258         return;
 259     }
 260     setObject(aObject, aShape);
 261     //activateSelection(false);
 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   //activateSelection(false);
 276   emit valuesChanged();
 277 }
 278
 279 //********************************************************************
 280 bool ModuleBase_WidgetShapeSelector::acceptObjectShape(const ObjectPtr theResult) const
 281 {
 282   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theResult);
 283
 284   // Check that the shape of necessary type
 285   std::shared_ptr<GeomAPI_Shape> aShapePtr = ModelAPI_Tools::shape(aResult);
 286   if (!aShapePtr)
 287     return false;
 288   TopoDS_Shape aShape = aShapePtr->impl<TopoDS_Shape>();
 289   if (aShape.IsNull())
 290     return false;
 291
 292   TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
 293   if (aShapeType == TopAbs_COMPOUND) {
 294     foreach (QString aType, myShapeTypes) {
 295       TopExp_Explorer aEx(aShape, shapeType(aType));
 296       if (aEx.More())
 297         return true;
 298     }
 299   } else {
 300     foreach (QString aType, myShapeTypes) {
 301       if (shapeType(aType) == aShapeType)
 302         return true;
 303     }
 304   }
 305   return false;
 306 }
 307
 308 //********************************************************************
 309 bool ModuleBase_WidgetShapeSelector::acceptSubShape(std::shared_ptr<GeomAPI_Shape> theShape) const
 310 {
 311   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 312   foreach (QString aType, myShapeTypes) {
 313     if (aShape.ShapeType() == shapeType(aType))
 314       return true;
 315   }
 316   return false;
 317 }
 318
 319 //********************************************************************
 320 bool ModuleBase_WidgetShapeSelector::acceptObjectType(const ObjectPtr theObject) const
 321 {
 322   // Definition of types is not obligatory. If types are not defined then
 323   // it means that accepted any type
 324   if (myObjectTypes.isEmpty())
 325     return true;
 326
 327   foreach (QString aType, myObjectTypes) {
 328     if (aType.toLower() == "construction") {
 329       ResultConstructionPtr aConstr =
 330         std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(theObject);
 331       return (aConstr != NULL);
 332     } // ToDo: Process other types of objects
 333   }
 334   // Object type is defined but not found
 335   return false;
 336 }
 337
 338
 339 //********************************************************************
 340 void ModuleBase_WidgetShapeSelector::updateSelectionName()
 341 {
 342   if (mySelectedObject) {
 343     std::string aName = mySelectedObject->data()->name();
 344     myTextLine->setText(QString::fromStdString(aName));
 345   } else {
 346     if (myIsActive) {
 347       myTextLine->setText("");
 348     }
 349   }
 350 }
 351
 352
 353 //********************************************************************
 354 void ModuleBase_WidgetShapeSelector::activateSelection(bool toActivate)
 355 {
 356   if (myIsActive == toActivate)
 357     return;
 358   myIsActive = toActivate;
 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::setValue(ModuleBase_WidgetValue* theValue)
 406 {
 407   if (theValue) {
 408     ModuleBase_WidgetValueFeature* aFeatureValue =
 409         dynamic_cast<ModuleBase_WidgetValueFeature*>(theValue);
 410     if (aFeatureValue && aFeatureValue->object()) {
 411       ObjectPtr aObject = aFeatureValue->object();
 412       if (acceptObjectShape(aObject)) {
 413         setObject(aObject);
 414         return true;
 415       }
 416     }
 417   }
 418   return false;
 419 }
 420
 421 //********************************************************************
 422 void ModuleBase_WidgetShapeSelector::activate()
 423 {
 424   activateSelection(true);
 425 }
 426
 427 //********************************************************************
 428 void ModuleBase_WidgetShapeSelector::deactivate()
 429 {
 430   activateSelection(false);
 431 }