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_Tools.h>
  10 #include <ModuleBase_WidgetValueFeature.h>
  11 #include <Config_WidgetAPI.h>
  12 #include <Events_Loop.h>
  13 #include <Events_Message.h>
  14 #include <GeomAPI_Interface.h>
  15 #include <GeomAPI_Shape.h>
  16 #include <ModelAPI_AttributeReference.h>
  17 #include <ModelAPI_Data.h>
  18 #include <ModelAPI_Document.h>
  19 #include <ModelAPI_Events.h>
  20 #include <ModelAPI_Feature.h>
  21 #include <ModelAPI_Result.h>
  22 #include <ModelAPI_AttributeReference.h>
  23 #include <ModelAPI_AttributeSelection.h>
  24 #include <ModelAPI_Session.h>
  25 #include <ModelAPI_Tools.h>
  26 #include <ModelAPI_ResultBody.h>
  27 #include <Config_WidgetAPI.h>
  28 #include <Events_Error.h>
  29
  30 #include <GeomAPI_Shape.h>
  31
  32 #include <TopoDS_Shape.hxx>
  33 #include <TopExp_Explorer.hxx>
  34
  35 #include <QWidget>
  36 #include <QLayout>
  37 #include <QLabel>
  38 #include <QLineEdit>
  39 #include <QToolButton>
  40 #include <QString>
  41 #include <QEvent>
  42 #include <QDockWidget>
  43
  44 #include <TopExp_Explorer.hxx>
  45 #include <TopoDS_Shape.hxx>
  46
  47 #include <boost/smart_ptr/shared_ptr.hpp>
  48
  49 #include <list>
  50 #include <string>
  51
  52 typedef QMap<QString, TopAbs_ShapeEnum> ShapeTypes;
  53 static ShapeTypes MyShapeTypes;
  54
  55 TopAbs_ShapeEnum ModuleBase_WidgetShapeSelector::shapeType(const QString& theType)
  56 {
  57   if (MyShapeTypes.count() == 0) {
  58     MyShapeTypes["face"] = TopAbs_FACE;
  59     MyShapeTypes["faces"] = TopAbs_FACE;
  60     MyShapeTypes["vertex"] = TopAbs_VERTEX;
  61     MyShapeTypes["vertices"] = TopAbs_VERTEX;
  62     MyShapeTypes["wire"] = TopAbs_WIRE;
  63     MyShapeTypes["edge"] = TopAbs_EDGE;
  64     MyShapeTypes["edges"] = TopAbs_EDGE;
  65     MyShapeTypes["shell"] = TopAbs_SHELL;
  66     MyShapeTypes["solid"] = TopAbs_SOLID;
  67     MyShapeTypes["solids"] = TopAbs_SOLID;
  68   }
  69   QString aType = theType.toLower();
  70   if (MyShapeTypes.contains(aType))
  71     return MyShapeTypes[aType];
  72   Events_Error::send("Shape type defined in XML is not implemented!");
  73   return TopAbs_SHAPE;
  74 }
  75
  76 ModuleBase_WidgetShapeSelector::ModuleBase_WidgetShapeSelector(QWidget* theParent,
  77                                                      ModuleBase_IWorkshop* theWorkshop,
  78                                                      const Config_WidgetAPI* theData,
  79                                                      const std::string& theParentId)
  80     : ModuleBase_ModelWidget(theParent, theData, theParentId),
  81       myWorkshop(theWorkshop), myIsActive(false), myUseSubShapes(false)
  82 {
  83   myContainer = new QWidget(theParent);
  84   QHBoxLayout* aLayout = new QHBoxLayout(myContainer);
  85   ModuleBase_Tools::adjustMargins(aLayout);
  86
  87   QString aLabelText = QString::fromStdString(theData->widgetLabel());
  88   QString aLabelIcon = QString::fromStdString(theData->widgetIcon());
  89   myLabel = new QLabel(aLabelText, myContainer);
  90   if (!aLabelIcon.isEmpty())
  91     myLabel->setPixmap(QPixmap(aLabelIcon));
  92
  93   aLayout->addWidget(myLabel);
  94
  95   QString aToolTip = QString::fromStdString(theData->widgetTooltip());
  96   myTextLine = new QLineEdit(myContainer);
  97   myTextLine->setReadOnly(true);
  98   myTextLine->setToolTip(aToolTip);
  99   myTextLine->installEventFilter(this);
 100
 101   myBasePalet = myTextLine->palette();
 102   myInactivePalet = myBasePalet;
 103   myInactivePalet.setBrush(QPalette::Base, QBrush(Qt::gray, Qt::Dense6Pattern));
 104   myTextLine->setPalette(myInactivePalet);
 105
 106   aLayout->addWidget(myTextLine, 1);
 107
 108   std::string aTypes = theData->getProperty("shape_types");
 109   myShapeTypes = QString(aTypes.c_str()).split(' ');
 110
 111   myUseSubShapes = theData->getBooleanAttribute("use_subshapes", false);
 112 }
 113
 114 //********************************************************************
 115 ModuleBase_WidgetShapeSelector::~ModuleBase_WidgetShapeSelector()
 116 {
 117   activateSelection(false);
 118 }
 119
 120 //********************************************************************
 121 bool ModuleBase_WidgetShapeSelector::storeValue() const
 122 {
 123   FeaturePtr aSelectedFeature = ModelAPI_Feature::feature(mySelectedObject);
 124   if (aSelectedFeature == myFeature)  // In order to avoid selection of the same object
 125     return false;
 126
 127   DataPtr aData = myFeature->data();
 128   if (myUseSubShapes) {
 129     boost::shared_ptr<ModelAPI_AttributeSelection> aSelect =
 130       boost::dynamic_pointer_cast<ModelAPI_AttributeSelection>(aData->attribute(attributeID()));
 131
 132     ResultPtr aBody = boost::dynamic_pointer_cast<ModelAPI_Result>(mySelectedObject);
 133     if (aBody) {
 134       aSelect->setValue(aBody, myShape);
 135       updateObject(myFeature);
 136       return true;
 137     }
 138   } else {
 139     boost::shared_ptr<ModelAPI_AttributeReference> aRef =
 140       boost::dynamic_pointer_cast<ModelAPI_AttributeReference>(aData->attribute(attributeID()));
 141
 142     ObjectPtr aObject = aRef->value();
 143     if (!(aObject && aObject->isSame(mySelectedObject))) {
 144       aRef->setValue(mySelectedObject);
 145       updateObject(myFeature);
 146       return true;
 147     }
 148   }
 149   return false;
 150 }
 151
 152 //********************************************************************
 153 bool ModuleBase_WidgetShapeSelector::restoreValue()
 154 {
 155   DataPtr aData = myFeature->data();
 156   bool isBlocked = this->blockSignals(true);
 157   if (myUseSubShapes) {
 158     boost::shared_ptr<ModelAPI_AttributeSelection> aSelect = aData->selection(attributeID());
 159     if (aSelect) {
 160       mySelectedObject = aSelect->context();
 161       myShape = aSelect->value();
 162     }
 163   } else {
 164     boost::shared_ptr<ModelAPI_AttributeReference> aRef = aData->reference(attributeID());
 165     mySelectedObject = aRef->value();
 166   }
 167   updateSelectionName();
 168
 169   this->blockSignals(isBlocked);
 170   return true;
 171 }
 172
 173 //********************************************************************
 174 QList<QWidget*> ModuleBase_WidgetShapeSelector::getControls() const
 175 {
 176   QList<QWidget*> aControls;
 177   aControls.append(myLabel);
 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     // Get sub-shapes from local selection
 217     if (myUseSubShapes) {
 218       NCollection_List<TopoDS_Shape> aShapeList;
 219       std::list<ObjectPtr> aOwners;
 220       myWorkshop->selection()->selectedShapes(aShapeList, aOwners);
 221       if (aShapeList.Extent() > 0) {
 222         aShape = boost::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
 223         aShape->setImpl(new TopoDS_Shape(aShapeList.First()));
 224       }
 225     }
 226
 227     // Check that the selection corresponds to selection type
 228     if (myUseSubShapes) {
 229       if (!isAccepted(aShape))
 230         return;
 231     } else {
 232       if (!isAccepted(aObject))
 233         return;
 234     }
 235     setObject(aObject, aShape);
 236     //activateSelection(false);
 237     emit focusOutWidget(this);
 238   }
 239 }
 240
 241 //********************************************************************
 242 void ModuleBase_WidgetShapeSelector::setObject(ObjectPtr theObj, boost::shared_ptr<GeomAPI_Shape> theShape)
 243 {
 244   mySelectedObject = theObj;
 245   myShape = theShape;
 246   if (mySelectedObject) {
 247     raisePanel();
 248     if (!myUseSubShapes) {
 249       static Events_ID anEvent = Events_Loop::eventByName(EVENT_OBJECT_TOHIDE);
 250       ModelAPI_EventCreator::get()->sendUpdated(mySelectedObject, anEvent);
 251     }
 252   }
 253   updateSelectionName();
 254   activateSelection(false);
 255   emit valuesChanged();
 256 }
 257
 258 //********************************************************************
 259 bool ModuleBase_WidgetShapeSelector::isAccepted(const ObjectPtr theResult) const
 260 {
 261   ResultPtr aResult = boost::dynamic_pointer_cast<ModelAPI_Result>(theResult);
 262
 263   // Check that the shape of necessary type
 264   boost::shared_ptr<GeomAPI_Shape> aShapePtr = ModelAPI_Tools::shape(aResult);
 265   if (!aShapePtr)
 266     return false;
 267   TopoDS_Shape aShape = aShapePtr->impl<TopoDS_Shape>();
 268   if (aShape.IsNull())
 269     return false;
 270
 271   TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
 272   if (aShapeType == TopAbs_COMPOUND) {
 273     foreach (QString aType, myShapeTypes) {
 274       TopExp_Explorer aEx(aShape, shapeType(aType));
 275       if (aEx.More())
 276         return true;
 277     }
 278   } else {
 279     foreach (QString aType, myShapeTypes) {
 280       if (shapeType(aType) == aShapeType)
 281         return true;
 282     }
 283   }
 284   return false;
 285 }
 286
 287 //********************************************************************
 288 bool ModuleBase_WidgetShapeSelector::isAccepted(boost::shared_ptr<GeomAPI_Shape> theShape) const
 289 {
 290   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 291   foreach (QString aType, myShapeTypes) {
 292     if (aShape.ShapeType() == shapeType(aType))
 293       return true;
 294   }
 295   return false;
 296 }
 297
 298 //********************************************************************
 299 void ModuleBase_WidgetShapeSelector::updateSelectionName()
 300 {
 301   if (mySelectedObject) {
 302     std::string aName = mySelectedObject->data()->name();
 303     myTextLine->setText(QString::fromStdString(aName));
 304   } else {
 305     if (myIsActive) {
 306       QString aMsg = tr("Select a ");
 307       int i = 0;
 308       foreach (QString aType, myShapeTypes) {
 309         if (i > 0)
 310           aMsg += " or ";
 311         aMsg += aType;
 312         i++;
 313       }
 314       myTextLine->setText(aMsg);
 315     } else
 316       myTextLine->setText(tr("No object selected"));
 317   }
 318 }
 319
 320
 321 //********************************************************************
 322 void ModuleBase_WidgetShapeSelector::activateSelection(bool toActivate)
 323 {
 324   myIsActive = toActivate;
 325   if (myIsActive)
 326     myTextLine->setPalette(myBasePalet);
 327   else
 328     myTextLine->setPalette(myInactivePalet);
 329   updateSelectionName();
 330
 331   if (myIsActive) {
 332     connect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 333     if (myUseSubShapes) {
 334       QIntList aList;
 335       foreach (QString aType, myShapeTypes)
 336         aList.append(shapeType(aType));
 337       myWorkshop->activateSubShapesSelection(aList);
 338     }
 339   } else {
 340     disconnect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 341     if (myUseSubShapes)
 342       myWorkshop->deactivateSubShapesSelection();
 343   }
 344 }
 345
 346 //********************************************************************
 347 void ModuleBase_WidgetShapeSelector::raisePanel() const
 348 {
 349   QWidget* aParent = myContainer->parentWidget();
 350   QWidget* aLastPanel = 0;
 351   while (!aParent->inherits("QDockWidget")) {
 352     aLastPanel = aParent;
 353     aParent = aParent->parentWidget();
 354     if (!aParent)
 355       return;
 356   }
 357   if (aParent->inherits("QDockWidget")) {
 358     QDockWidget* aTabWgt = (QDockWidget*) aParent;
 359     aTabWgt->raise();
 360   }
 361 }
 362
 363 //********************************************************************
 364 bool ModuleBase_WidgetShapeSelector::focusTo()
 365 {
 366   activateSelection(true);
 367   return true;
 368 }
 369
 370 //********************************************************************
 371 bool ModuleBase_WidgetShapeSelector::eventFilter(QObject* theObj, QEvent* theEvent)
 372 {
 373   if (theObj == myTextLine) {
 374     if (theEvent->type() == QEvent::FocusIn)
 375       activateSelection(true);
 376   }
 377   return ModuleBase_ModelWidget::eventFilter(theObj, theEvent);
 378 }
 379
 380 //********************************************************************
 381 bool ModuleBase_WidgetShapeSelector::setValue(ModuleBase_WidgetValue* theValue)
 382 {
 383   if (theValue) {
 384     ModuleBase_WidgetValueFeature* aFeatureValue =
 385         dynamic_cast<ModuleBase_WidgetValueFeature*>(theValue);
 386     if (aFeatureValue && aFeatureValue->object()) {
 387       ObjectPtr aObject = aFeatureValue->object();
 388       if (isAccepted(aObject)) {
 389         setObject(aObject);
 390         return true;
 391       }
 392     }
 393   }
 394   return false;
 395 }
 396