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   aLayout->addWidget(myTextLine, 1);
 105
 106   std::string aTypes = theData->getProperty("shape_types");
 107   myShapeTypes = QString(aTypes.c_str()).split(' ', QString::SkipEmptyParts);
 108
 109   std::string aObjTypes = theData->getProperty("object_types");
 110   myObjectTypes = QString(aObjTypes.c_str()).split(' ', QString::SkipEmptyParts);
 111
 112   myUseSubShapes = theData->getBooleanAttribute("use_subshapes", false);
 113 }
 114
 115 //********************************************************************
 116 ModuleBase_WidgetShapeSelector::~ModuleBase_WidgetShapeSelector()
 117 {
 118   activateSelection(false);
 119 }
 120
 121 //********************************************************************
 122 bool ModuleBase_WidgetShapeSelector::storeValue() const
 123 {
 124   FeaturePtr aSelectedFeature = ModelAPI_Feature::feature(mySelectedObject);
 125   if (aSelectedFeature == myFeature)  // In order to avoid selection of the same object
 126     return false;
 127
 128   DataPtr aData = myFeature->data();
 129   if (myUseSubShapes) {
 130     boost::shared_ptr<ModelAPI_AttributeSelection> aSelect =
 131       boost::dynamic_pointer_cast<ModelAPI_AttributeSelection>(aData->attribute(attributeID()));
 132
 133     ResultPtr aBody = boost::dynamic_pointer_cast<ModelAPI_Result>(mySelectedObject);
 134     if (aBody) {
 135       aSelect->setValue(aBody, myShape);
 136       updateObject(myFeature);
 137       return true;
 138     }
 139   } else {
 140     boost::shared_ptr<ModelAPI_AttributeReference> aRef =
 141       boost::dynamic_pointer_cast<ModelAPI_AttributeReference>(aData->attribute(attributeID()));
 142
 143     ObjectPtr aObject = aRef->value();
 144     if (!(aObject && aObject->isSame(mySelectedObject))) {
 145       aRef->setValue(mySelectedObject);
 146       updateObject(myFeature);
 147       return true;
 148     }
 149   }
 150   return false;
 151 }
 152
 153 //********************************************************************
 154 bool ModuleBase_WidgetShapeSelector::restoreValue()
 155 {
 156   DataPtr aData = myFeature->data();
 157   bool isBlocked = this->blockSignals(true);
 158   if (myUseSubShapes) {
 159     boost::shared_ptr<ModelAPI_AttributeSelection> aSelect = aData->selection(attributeID());
 160     if (aSelect) {
 161       mySelectedObject = aSelect->context();
 162       myShape = aSelect->value();
 163     }
 164   } else {
 165     boost::shared_ptr<ModelAPI_AttributeReference> aRef = aData->reference(attributeID());
 166     mySelectedObject = aRef->value();
 167   }
 168   updateSelectionName();
 169
 170   this->blockSignals(isBlocked);
 171   return true;
 172 }
 173
 174 //********************************************************************
 175 QList<QWidget*> ModuleBase_WidgetShapeSelector::getControls() const
 176 {
 177   QList<QWidget*> aControls;
 178   aControls.append(myTextLine);
 179   return aControls;
 180 }
 181
 182 //********************************************************************
 183 void ModuleBase_WidgetShapeSelector::onSelectionChanged()
 184 {
 185   QList<ObjectPtr> aObjects = myWorkshop->selection()->selectedObjects();
 186   if (aObjects.size() > 0) {
 187     ObjectPtr aObject = aObjects.first();
 188     if ((!mySelectedObject) && (!aObject))
 189       return;
 190
 191     // Check that the selected object is result (others can not be accepted)
 192     ResultPtr aRes = boost::dynamic_pointer_cast<ModelAPI_Result>(aObject);
 193     if (!aRes)
 194       return;
 195
 196     if (myFeature) {
 197       // We can not select a result of our feature
 198       const std::list<boost::shared_ptr<ModelAPI_Result>>& aResList = myFeature->results();
 199       std::list<boost::shared_ptr<ModelAPI_Result> >::const_iterator aIt;
 200       for (aIt = aResList.cbegin(); aIt != aResList.cend(); ++aIt) {
 201         if ((*aIt) == aRes)
 202           return;
 203       }
 204     }
 205     // Check that object belongs to active document or PartSet
 206     DocumentPtr aDoc = aRes->document();
 207     SessionPtr aMgr = ModelAPI_Session::get();
 208     if (!(aDoc == aMgr->activeDocument()) || (aDoc == aMgr->moduleDocument()))
 209       return;
 210
 211     // Check that the result has a shape
 212     GeomShapePtr aShape = ModelAPI_Tools::shape(aRes);
 213     if (!aShape)
 214       return;
 215
 216     /// Check that object has acceptable type
 217     if (!acceptObjectType(aObject))
 218       return;
 219
 220     // Get sub-shapes from local selection
 221     if (myUseSubShapes) {
 222       NCollection_List<TopoDS_Shape> aShapeList;
 223       std::list<ObjectPtr> aOwners;
 224       myWorkshop->selection()->selectedShapes(aShapeList, aOwners);
 225       if (aShapeList.Extent() > 0) {
 226         aShape = boost::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
 227         aShape->setImpl(new TopoDS_Shape(aShapeList.First()));
 228       }
 229     }
 230
 231     // Check that the selection corresponds to selection type
 232     if (myUseSubShapes) {
 233       if (!acceptSubShape(aShape))
 234         return;
 235     } else {
 236       if (!acceptObjectShape(aObject))
 237         return;
 238     }
 239     setObject(aObject, aShape);
 240     //activateSelection(false);
 241     emit focusOutWidget(this);
 242   }
 243 }
 244
 245 //********************************************************************
 246 void ModuleBase_WidgetShapeSelector::setObject(ObjectPtr theObj, boost::shared_ptr<GeomAPI_Shape> theShape)
 247 {
 248   mySelectedObject = theObj;
 249   myShape = theShape;
 250   if (mySelectedObject) {
 251     raisePanel();
 252     if (!myUseSubShapes) {
 253       static Events_ID anEvent = Events_Loop::eventByName(EVENT_OBJECT_TOHIDE);
 254       ModelAPI_EventCreator::get()->sendUpdated(mySelectedObject, anEvent);
 255     }
 256   }
 257   updateSelectionName();
 258   activateSelection(false);
 259   emit valuesChanged();
 260 }
 261
 262 //********************************************************************
 263 bool ModuleBase_WidgetShapeSelector::acceptObjectShape(const ObjectPtr theResult) const
 264 {
 265   ResultPtr aResult = boost::dynamic_pointer_cast<ModelAPI_Result>(theResult);
 266
 267   // Check that the shape of necessary type
 268   boost::shared_ptr<GeomAPI_Shape> aShapePtr = ModelAPI_Tools::shape(aResult);
 269   if (!aShapePtr)
 270     return false;
 271   TopoDS_Shape aShape = aShapePtr->impl<TopoDS_Shape>();
 272   if (aShape.IsNull())
 273     return false;
 274
 275   TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
 276   if (aShapeType == TopAbs_COMPOUND) {
 277     foreach (QString aType, myShapeTypes) {
 278       TopExp_Explorer aEx(aShape, shapeType(aType));
 279       if (aEx.More())
 280         return true;
 281     }
 282   } else {
 283     foreach (QString aType, myShapeTypes) {
 284       if (shapeType(aType) == aShapeType)
 285         return true;
 286     }
 287   }
 288   return false;
 289 }
 290
 291 //********************************************************************
 292 bool ModuleBase_WidgetShapeSelector::acceptSubShape(boost::shared_ptr<GeomAPI_Shape> theShape) const
 293 {
 294   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 295   foreach (QString aType, myShapeTypes) {
 296     if (aShape.ShapeType() == shapeType(aType))
 297       return true;
 298   }
 299   return false;
 300 }
 301
 302 //********************************************************************
 303 bool ModuleBase_WidgetShapeSelector::acceptObjectType(const ObjectPtr theObject) const
 304 {
 305   // Definition of types is not obligatory. If types are not defined then
 306   // it means that accepted any type
 307   if (myObjectTypes.isEmpty())
 308     return true;
 309
 310   foreach (QString aType, myObjectTypes) {
 311     if (aType.toLower() == "construction") {
 312       ResultConstructionPtr aConstr =
 313         boost::dynamic_pointer_cast<ModelAPI_ResultConstruction>(theObject);
 314       return (aConstr != NULL);
 315     } // ToDo: Process other types of objects
 316   }
 317   // Object type is defined but not found
 318   return false;
 319 }
 320
 321
 322 //********************************************************************
 323 void ModuleBase_WidgetShapeSelector::updateSelectionName()
 324 {
 325   if (mySelectedObject) {
 326     std::string aName = mySelectedObject->data()->name();
 327     myTextLine->setText(QString::fromStdString(aName));
 328   } else {
 329     if (myIsActive) {
 330       myTextLine->setText("");
 331     }
 332   }
 333 }
 334
 335
 336 //********************************************************************
 337 void ModuleBase_WidgetShapeSelector::activateSelection(bool toActivate)
 338 {
 339   myIsActive = toActivate;
 340   updateSelectionName();
 341
 342   if (myIsActive) {
 343     connect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 344     if (myUseSubShapes) {
 345
 346       QIntList aList;
 347       foreach (QString aType, myShapeTypes)
 348         aList.append(shapeType(aType));
 349       myWorkshop->activateSubShapesSelection(aList);
 350       if (!myObjectTypes.isEmpty()) {
 351         myObjTypeFilter = new ModuleBase_ObjectTypesFilter(myWorkshop, myObjectTypes);
 352         myWorkshop->viewer()->clearSelectionFilters();
 353         myWorkshop->viewer()->addSelectionFilter(myObjTypeFilter);
 354       }
 355     }
 356   } else {
 357     disconnect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 358     if (myUseSubShapes) {
 359       if (!myObjTypeFilter.IsNull()) {
 360         myWorkshop->viewer()->removeSelectionFilter(myObjTypeFilter);
 361         myObjTypeFilter.Nullify();
 362       }
 363       myWorkshop->deactivateSubShapesSelection();
 364     }
 365   }
 366 }
 367
 368 //********************************************************************
 369 void ModuleBase_WidgetShapeSelector::raisePanel() const
 370 {
 371   QWidget* aParent = myContainer->parentWidget();
 372   QWidget* aLastPanel = 0;
 373   while (!aParent->inherits("QDockWidget")) {
 374     aLastPanel = aParent;
 375     aParent = aParent->parentWidget();
 376     if (!aParent)
 377       return;
 378   }
 379   if (aParent->inherits("QDockWidget")) {
 380     QDockWidget* aTabWgt = (QDockWidget*) aParent;
 381     aTabWgt->raise();
 382   }
 383 }
 384
 385 //********************************************************************
 386 bool ModuleBase_WidgetShapeSelector::focusTo()
 387 {
 388   activateSelection(true);
 389   return ModuleBase_ModelWidget::focusTo();
 390 }
 391
 392 //********************************************************************
 393 bool ModuleBase_WidgetShapeSelector::eventFilter(QObject* theObj, QEvent* theEvent)
 394 {
 395   if (theObj == myTextLine) {
 396     if (theEvent->type() == QEvent::FocusIn)
 397       activateSelection(true);
 398   }
 399   return ModuleBase_ModelWidget::eventFilter(theObj, theEvent);
 400 }
 401
 402 //********************************************************************
 403 bool ModuleBase_WidgetShapeSelector::setValue(ModuleBase_WidgetValue* theValue)
 404 {
 405   if (theValue) {
 406     ModuleBase_WidgetValueFeature* aFeatureValue =
 407         dynamic_cast<ModuleBase_WidgetValueFeature*>(theValue);
 408     if (aFeatureValue && aFeatureValue->object()) {
 409       ObjectPtr aObject = aFeatureValue->object();
 410       if (acceptObjectShape(aObject)) {
 411         setObject(aObject);
 412         return true;
 413       }
 414     }
 415   }
 416   return false;
 417 }
 418