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       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     if (mySelectedObject && aObject && mySelectedObject->isSame(aObject))
 191       return;
 192
 193     // Get sub-shapes from local selection
 194     boost::shared_ptr<GeomAPI_Shape> aShape;
 195     if (myUseSubShapes) {
 196       NCollection_List<TopoDS_Shape> aShapeList;
 197       std::list<ObjectPtr> aOwners;
 198       myWorkshop->selection()->selectedShapes(aShapeList, aOwners);
 199       if (aShapeList.Extent() > 0) {
 200         aShape = boost::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
 201         aShape->setImpl(new TopoDS_Shape(aShapeList.First()));
 202       }
 203     }
 204
 205     // Check that the selection corresponds to selection type
 206     if (myUseSubShapes) {
 207       if (!isAccepted(aShape))
 208         return;
 209     } else {
 210       if (!isAccepted(aObject))
 211         return;
 212     }
 213     setObject(aObject, aShape);
 214     emit focusOutWidget(this);
 215   }
 216 }
 217
 218 //********************************************************************
 219 void ModuleBase_WidgetShapeSelector::setObject(ObjectPtr theObj, boost::shared_ptr<GeomAPI_Shape> theShape)
 220 {
 221   if (mySelectedObject == theObj)
 222     return;
 223   mySelectedObject = theObj;
 224   myShape = theShape;
 225   if (mySelectedObject) {
 226     raisePanel();
 227     if (!myUseSubShapes) {
 228       static Events_ID anEvent = Events_Loop::eventByName(EVENT_OBJECT_TOHIDE);
 229       ModelAPI_EventCreator::get()->sendUpdated(mySelectedObject, anEvent);
 230       Events_Loop::loop()->flush(anEvent);
 231     }
 232   }
 233   updateSelectionName();
 234   activateSelection(false);
 235   emit valuesChanged();
 236 }
 237
 238 //********************************************************************
 239 bool ModuleBase_WidgetShapeSelector::isAccepted(const ObjectPtr theResult) const
 240 {
 241   ResultPtr aResult = boost::dynamic_pointer_cast<ModelAPI_Result>(theResult);
 242   if (myFeature) {
 243     // We can not select a result of our feature
 244     const std::list<boost::shared_ptr<ModelAPI_Result>>& aRes = myFeature->results();
 245     std::list<boost::shared_ptr<ModelAPI_Result> >::const_iterator aIt;
 246     for (aIt = aRes.cbegin(); aIt != aRes.cend(); ++aIt) {
 247       if ((*aIt) == aResult)
 248         return false;
 249     }
 250   }
 251   // Check that object belongs to active document or PartSet
 252   DocumentPtr aDoc = aResult->document();
 253   SessionPtr aMgr = ModelAPI_Session::get();
 254   if (!(aDoc == aMgr->activeDocument()) || (aDoc == aMgr->moduleDocument()))
 255     return false;
 256
 257   // Check that the shape of necessary type
 258   boost::shared_ptr<GeomAPI_Shape> aShapePtr = ModelAPI_Tools::shape(aResult);
 259   if (!aShapePtr)
 260     return false;
 261   TopoDS_Shape aShape = aShapePtr->impl<TopoDS_Shape>();
 262   if (aShape.IsNull())
 263     return false;
 264
 265   TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
 266   if (aShapeType == TopAbs_COMPOUND) {
 267     foreach (QString aType, myShapeTypes) {
 268       TopExp_Explorer aEx(aShape, shapeType(aType));
 269       if (aEx.More())
 270         return true;
 271     }
 272   } else {
 273     foreach (QString aType, myShapeTypes) {
 274       if (shapeType(aType) == aShapeType)
 275         return true;
 276     }
 277   }
 278   return false;
 279 }
 280
 281 //********************************************************************
 282 bool ModuleBase_WidgetShapeSelector::isAccepted(boost::shared_ptr<GeomAPI_Shape> theShape) const
 283 {
 284   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 285   foreach (QString aType, myShapeTypes) {
 286     if (aShape.ShapeType() == shapeType(aType))
 287       return true;
 288   }
 289   return false;
 290 }
 291
 292 //********************************************************************
 293 void ModuleBase_WidgetShapeSelector::updateSelectionName()
 294 {
 295   if (mySelectedObject) {
 296     std::string aName = mySelectedObject->data()->name();
 297     myTextLine->setText(QString::fromStdString(aName));
 298   } else {
 299     if (myIsActive) {
 300       QString aMsg = tr("Select a ");
 301       int i = 0;
 302       foreach (QString aType, myShapeTypes) {
 303         if (i > 0)
 304           aMsg += " or ";
 305         aMsg += aType;
 306         i++;
 307       }
 308       myTextLine->setText(aMsg);
 309     } else
 310       myTextLine->setText(tr("No object selected"));
 311   }
 312 }
 313
 314
 315 //********************************************************************
 316 void ModuleBase_WidgetShapeSelector::activateSelection(bool toActivate)
 317 {
 318   myIsActive = toActivate;
 319   if (myIsActive)
 320     myTextLine->setPalette(myBasePalet);
 321   else
 322     myTextLine->setPalette(myInactivePalet);
 323   updateSelectionName();
 324
 325   if (myIsActive) {
 326     connect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 327     if (myUseSubShapes) {
 328       QIntList aList;
 329       foreach (QString aType, myShapeTypes)
 330         aList.append(shapeType(aType));
 331       myWorkshop->activateSubShapesSelection(aList);
 332     }
 333   } else {
 334     disconnect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 335     if (myUseSubShapes)
 336       myWorkshop->deactivateSubShapesSelection();
 337   }
 338 }
 339
 340 //********************************************************************
 341 void ModuleBase_WidgetShapeSelector::raisePanel() const
 342 {
 343   QWidget* aParent = myContainer->parentWidget();
 344   QWidget* aLastPanel = 0;
 345   while (!aParent->inherits("QDockWidget")) {
 346     aLastPanel = aParent;
 347     aParent = aParent->parentWidget();
 348     if (!aParent)
 349       return;
 350   }
 351   if (aParent->inherits("QDockWidget")) {
 352     QDockWidget* aTabWgt = (QDockWidget*) aParent;
 353     aTabWgt->raise();
 354   }
 355 }
 356
 357 //********************************************************************
 358 bool ModuleBase_WidgetShapeSelector::focusTo()
 359 {
 360   activateSelection(true);
 361   return true;
 362 }
 363
 364 //********************************************************************
 365 bool ModuleBase_WidgetShapeSelector::eventFilter(QObject* theObj, QEvent* theEvent)
 366 {
 367   if (theObj == myTextLine) {
 368     if (theEvent->type() == QEvent::FocusIn)
 369       activateSelection(true);
 370   }
 371   return ModuleBase_ModelWidget::eventFilter(theObj, theEvent);
 372 }
 373
 374 //********************************************************************
 375 bool ModuleBase_WidgetShapeSelector::setValue(ModuleBase_WidgetValue* theValue)
 376 {
 377   if (theValue) {
 378     ModuleBase_WidgetValueFeature* aFeatureValue =
 379         dynamic_cast<ModuleBase_WidgetValueFeature*>(theValue);
 380     if (aFeatureValue && aFeatureValue->object()) {
 381       ObjectPtr aObject = aFeatureValue->object();
 382       if (isAccepted(aObject)) {
 383         setObject(aObject);
 384         return true;
 385       }
 386     }
 387   }
 388   return false;
 389 }
 390