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 <Config_WidgetAPI.h>
  27 #include <Events_Error.h>
  28
  29 #include <GeomAPI_Shape.h>
  30
  31 #include <TopoDS_Shape.hxx>
  32 #include <TopExp_Explorer.hxx>
  33
  34 #include <QWidget>
  35 #include <QLayout>
  36 #include <QLabel>
  37 #include <QLineEdit>
  38 #include <QToolButton>
  39 #include <QString>
  40 #include <QEvent>
  41 #include <QDockWidget>
  42
  43 #include <TopExp_Explorer.hxx>
  44 #include <TopoDS_Shape.hxx>
  45
  46 #include <boost/smart_ptr/shared_ptr.hpp>
  47
  48 #include <list>
  49 #include <stdexcept>
  50 #include <xstring>
  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   } else {
 136     boost::shared_ptr<ModelAPI_AttributeReference> aRef =
 137       boost::dynamic_pointer_cast<ModelAPI_AttributeReference>(aData->attribute(attributeID()));
 138
 139     ObjectPtr aObject = aRef->value();
 140     if (!(aObject && aObject->isSame(mySelectedObject))) {
 141       aRef->setValue(mySelectedObject);
 142       updateObject(myFeature);
 143     }
 144   }
 145   return true;
 146 }
 147
 148 //********************************************************************
 149 bool ModuleBase_WidgetShapeSelector::restoreValue()
 150 {
 151   DataPtr aData = myFeature->data();
 152   bool isBlocked = this->blockSignals(true);
 153   if (myUseSubShapes) {
 154     boost::shared_ptr<ModelAPI_AttributeSelection> aSelect = aData->selection(attributeID());
 155     if (aSelect) {
 156       mySelectedObject = aSelect->context();
 157       myShape = aSelect->value();
 158     }
 159   } else {
 160     boost::shared_ptr<ModelAPI_AttributeReference> aRef = aData->reference(attributeID());
 161     mySelectedObject = aRef->value();
 162   }
 163   updateSelectionName();
 164
 165   this->blockSignals(isBlocked);
 166   return true;
 167 }
 168
 169 //********************************************************************
 170 QList<QWidget*> ModuleBase_WidgetShapeSelector::getControls() const
 171 {
 172   QList<QWidget*> aControls;
 173   aControls.append(myLabel);
 174   aControls.append(myTextLine);
 175   return aControls;
 176 }
 177
 178 //********************************************************************
 179 void ModuleBase_WidgetShapeSelector::onSelectionChanged()
 180 {
 181   QList<ObjectPtr> aObjects = myWorkshop->selection()->selectedObjects();
 182   if (aObjects.size() > 0) {
 183     ObjectPtr aObject = aObjects.first();
 184     if ((!mySelectedObject) && (!aObject))
 185       return;
 186     if (mySelectedObject && aObject && mySelectedObject->isSame(aObject))
 187       return;
 188
 189     // Get sub-shapes from local selection
 190     boost::shared_ptr<GeomAPI_Shape> aShape;
 191     if (myUseSubShapes) {
 192       NCollection_List<TopoDS_Shape> aShapeList;
 193       myWorkshop->selection()->selectedShapes(aShapeList);
 194       if (aShapeList.Extent() > 0) {
 195         aShape = boost::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
 196         aShape->setImpl(new TopoDS_Shape(aShapeList.First()));
 197       }
 198     }
 199
 200     // Check that the selection corresponds to selection type
 201     if (myUseSubShapes) {
 202       if (!isAccepted(aShape))
 203         return;
 204     } else {
 205       if (!isAccepted(aObject))
 206         return;
 207     }
 208     setObject(aObject, aShape);
 209     emit focusOutWidget(this);
 210   }
 211 }
 212
 213 //********************************************************************
 214 void ModuleBase_WidgetShapeSelector::setObject(ObjectPtr theObj, boost::shared_ptr<GeomAPI_Shape> theShape)
 215 {
 216   if (mySelectedObject == theObj)
 217     return;
 218   mySelectedObject = theObj;
 219   myShape = theShape;
 220   if (mySelectedObject) {
 221     raisePanel();
 222     if (!myUseSubShapes) {
 223       static Events_ID anEvent = Events_Loop::eventByName(EVENT_OBJECT_TOHIDE);
 224       ModelAPI_EventCreator::get()->sendUpdated(mySelectedObject, anEvent);
 225       Events_Loop::loop()->flush(anEvent);
 226     }
 227   }
 228   updateSelectionName();
 229   activateSelection(false);
 230   emit valuesChanged();
 231 }
 232
 233 //********************************************************************
 234 bool ModuleBase_WidgetShapeSelector::isAccepted(const ObjectPtr theResult) const
 235 {
 236   ResultPtr aResult = boost::dynamic_pointer_cast<ModelAPI_Result>(theResult);
 237   if (myFeature) {
 238     // We can not select a result of our feature
 239     const std::list<boost::shared_ptr<ModelAPI_Result>>& aRes = myFeature->results();
 240     std::list<boost::shared_ptr<ModelAPI_Result> >::const_iterator aIt;
 241     for (aIt = aRes.cbegin(); aIt != aRes.cend(); ++aIt) {
 242       if ((*aIt) == aResult)
 243         return false;
 244     }
 245   }
 246   // Check that object belongs to active document or PartSet
 247   DocumentPtr aDoc = aResult->document();
 248   SessionPtr aMgr = ModelAPI_Session::get();
 249   if (!(aDoc == aMgr->activeDocument()) || (aDoc == aMgr->moduleDocument()))
 250     return false;
 251
 252   // Check that the shape of necessary type
 253   boost::shared_ptr<GeomAPI_Shape> aShapePtr = ModelAPI_Tools::shape(aResult);
 254   if (!aShapePtr)
 255     return false;
 256   TopoDS_Shape aShape = aShapePtr->impl<TopoDS_Shape>();
 257   if (aShape.IsNull())
 258     return false;
 259
 260   TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
 261   if (aShapeType == TopAbs_COMPOUND) {
 262     foreach (QString aType, myShapeTypes) {
 263       TopExp_Explorer aEx(aShape, shapeType(aType));
 264       if (aEx.More())
 265         return true;
 266     }
 267   } else {
 268     foreach (QString aType, myShapeTypes) {
 269       if (shapeType(aType) == aShapeType)
 270         return true;
 271     }
 272   }
 273   return false;
 274 }
 275
 276 //********************************************************************
 277 bool ModuleBase_WidgetShapeSelector::isAccepted(boost::shared_ptr<GeomAPI_Shape> theShape) const
 278 {
 279   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 280   foreach (QString aType, myShapeTypes) {
 281     if (aShape.ShapeType() == shapeType(aType))
 282       return true;
 283   }
 284   return false;
 285 }
 286
 287 //********************************************************************
 288 void ModuleBase_WidgetShapeSelector::updateSelectionName()
 289 {
 290   if (mySelectedObject) {
 291     std::string aName = mySelectedObject->data()->name();
 292     myTextLine->setText(QString::fromStdString(aName));
 293   } else {
 294     if (myIsActive) {
 295       QString aMsg = tr("Select a ");
 296       int i = 0;
 297       foreach (QString aType, myShapeTypes) {
 298         if (i > 0)
 299           aMsg += " or ";
 300         aMsg += aType;
 301         i++;
 302       }
 303       myTextLine->setText(aMsg);
 304     } else
 305       myTextLine->setText(tr("No object selected"));
 306   }
 307 }
 308
 309
 310 //********************************************************************
 311 void ModuleBase_WidgetShapeSelector::activateSelection(bool toActivate)
 312 {
 313   myIsActive = toActivate;
 314   if (myIsActive)
 315     myTextLine->setPalette(myBasePalet);
 316   else
 317     myTextLine->setPalette(myInactivePalet);
 318   updateSelectionName();
 319
 320   if (myIsActive) {
 321     connect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 322     if (myUseSubShapes) {
 323       QIntList aList;
 324       foreach (QString aType, myShapeTypes)
 325         aList.append(shapeType(aType));
 326       myWorkshop->activateSubShapesSelection(aList);
 327     }
 328   } else {
 329     disconnect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 330     if (myUseSubShapes)
 331       myWorkshop->deactivateSubShapesSelection();
 332   }
 333 }
 334
 335 //********************************************************************
 336 void ModuleBase_WidgetShapeSelector::raisePanel() const
 337 {
 338   QWidget* aParent = myContainer->parentWidget();
 339   QWidget* aLastPanel = 0;
 340   while (!aParent->inherits("QDockWidget")) {
 341     aLastPanel = aParent;
 342     aParent = aParent->parentWidget();
 343     if (!aParent)
 344       return;
 345   }
 346   if (aParent->inherits("QDockWidget")) {
 347     QDockWidget* aTabWgt = (QDockWidget*) aParent;
 348     aTabWgt->raise();
 349   }
 350 }
 351
 352 //********************************************************************
 353 bool ModuleBase_WidgetShapeSelector::focusTo()
 354 {
 355   activateSelection(true);
 356   return true;
 357 }
 358
 359 //********************************************************************
 360 bool ModuleBase_WidgetShapeSelector::eventFilter(QObject* theObj, QEvent* theEvent)
 361 {
 362   if (theObj == myTextLine) {
 363     if (theEvent->type() == QEvent::FocusIn)
 364       activateSelection(true);
 365   }
 366   return ModuleBase_ModelWidget::eventFilter(theObj, theEvent);
 367 }
 368
 369 //********************************************************************
 370 bool ModuleBase_WidgetShapeSelector::setValue(ModuleBase_WidgetValue* theValue)
 371 {
 372   if (theValue) {
 373     ModuleBase_WidgetValueFeature* aFeatureValue =
 374         dynamic_cast<ModuleBase_WidgetValueFeature*>(theValue);
 375     if (aFeatureValue && aFeatureValue->object()) {
 376       ObjectPtr aObject = aFeatureValue->object();
 377       if (isAccepted(aObject)) {
 378         setObject(aObject);
 379         return true;
 380       }
 381     }
 382   }
 383   return false;
 384 }
 385