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 <string>
  50
  51 typedef QMap<QString, TopAbs_ShapeEnum> ShapeTypes;
  52 static ShapeTypes MyShapeTypes;
  53
  54 TopAbs_ShapeEnum ModuleBase_WidgetShapeSelector::shapeType(const QString& theType)
  55 {
  56   if (MyShapeTypes.count() == 0) {
  57     MyShapeTypes["face"] = TopAbs_FACE;
  58     MyShapeTypes["faces"] = TopAbs_FACE;
  59     MyShapeTypes["vertex"] = TopAbs_VERTEX;
  60     MyShapeTypes["vertices"] = TopAbs_VERTEX;
  61     MyShapeTypes["wire"] = TopAbs_WIRE;
  62     MyShapeTypes["edge"] = TopAbs_EDGE;
  63     MyShapeTypes["edges"] = TopAbs_EDGE;
  64     MyShapeTypes["shell"] = TopAbs_SHELL;
  65     MyShapeTypes["solid"] = TopAbs_SOLID;
  66     MyShapeTypes["solids"] = TopAbs_SOLID;
  67   }
  68   QString aType = theType.toLower();
  69   if (MyShapeTypes.contains(aType))
  70     return MyShapeTypes[aType];
  71   Events_Error::send("Shape type defined in XML is not implemented!");
  72   return TopAbs_SHAPE;
  73 }
  74
  75 ModuleBase_WidgetShapeSelector::ModuleBase_WidgetShapeSelector(QWidget* theParent,
  76                                                      ModuleBase_IWorkshop* theWorkshop,
  77                                                      const Config_WidgetAPI* theData,
  78                                                      const std::string& theParentId)
  79     : ModuleBase_ModelWidget(theParent, theData, theParentId),
  80       myWorkshop(theWorkshop), myIsActive(false), myUseSubShapes(false)
  81 {
  82   myContainer = new QWidget(theParent);
  83   QHBoxLayout* aLayout = new QHBoxLayout(myContainer);
  84   ModuleBase_Tools::adjustMargins(aLayout);
  85
  86   QString aLabelText = QString::fromStdString(theData->widgetLabel());
  87   QString aLabelIcon = QString::fromStdString(theData->widgetIcon());
  88   myLabel = new QLabel(aLabelText, myContainer);
  89   if (!aLabelIcon.isEmpty())
  90     myLabel->setPixmap(QPixmap(aLabelIcon));
  91
  92   aLayout->addWidget(myLabel);
  93
  94   QString aToolTip = QString::fromStdString(theData->widgetTooltip());
  95   myTextLine = new QLineEdit(myContainer);
  96   myTextLine->setReadOnly(true);
  97   myTextLine->setToolTip(aToolTip);
  98   myTextLine->installEventFilter(this);
  99
 100   myBasePalet = myTextLine->palette();
 101   myInactivePalet = myBasePalet;
 102   myInactivePalet.setBrush(QPalette::Base, QBrush(Qt::gray, Qt::Dense6Pattern));
 103   myTextLine->setPalette(myInactivePalet);
 104
 105   aLayout->addWidget(myTextLine, 1);
 106
 107   std::string aTypes = theData->getProperty("shape_types");
 108   myShapeTypes = QString(aTypes.c_str()).split(' ');
 109
 110   myUseSubShapes = theData->getBooleanAttribute("use_subshapes", false);
 111 }
 112
 113 //********************************************************************
 114 ModuleBase_WidgetShapeSelector::~ModuleBase_WidgetShapeSelector()
 115 {
 116   activateSelection(false);
 117 }
 118
 119 //********************************************************************
 120 bool ModuleBase_WidgetShapeSelector::storeValue() const
 121 {
 122   FeaturePtr aSelectedFeature = ModelAPI_Feature::feature(mySelectedObject);
 123   if (aSelectedFeature == myFeature)  // In order to avoid selection of the same object
 124     return false;
 125
 126   DataPtr aData = myFeature->data();
 127   if (myUseSubShapes) {
 128     boost::shared_ptr<ModelAPI_AttributeSelection> aSelect =
 129       boost::dynamic_pointer_cast<ModelAPI_AttributeSelection>(aData->attribute(attributeID()));
 130
 131     ResultPtr aBody = boost::dynamic_pointer_cast<ModelAPI_Result>(mySelectedObject);
 132     if (aBody) {
 133       aSelect->setValue(aBody, myShape);
 134       updateObject(myFeature);
 135       return true;
 136     }
 137   } else {
 138     boost::shared_ptr<ModelAPI_AttributeReference> aRef =
 139       boost::dynamic_pointer_cast<ModelAPI_AttributeReference>(aData->attribute(attributeID()));
 140
 141     ObjectPtr aObject = aRef->value();
 142     if (!(aObject && aObject->isSame(mySelectedObject))) {
 143       aRef->setValue(mySelectedObject);
 144       updateObject(myFeature);
 145       return true;
 146     }
 147   }
 148   return false;
 149 }
 150
 151 //********************************************************************
 152 bool ModuleBase_WidgetShapeSelector::restoreValue()
 153 {
 154   DataPtr aData = myFeature->data();
 155   bool isBlocked = this->blockSignals(true);
 156   if (myUseSubShapes) {
 157     boost::shared_ptr<ModelAPI_AttributeSelection> aSelect = aData->selection(attributeID());
 158     if (aSelect) {
 159       mySelectedObject = aSelect->context();
 160       myShape = aSelect->value();
 161     }
 162   } else {
 163     boost::shared_ptr<ModelAPI_AttributeReference> aRef = aData->reference(attributeID());
 164     mySelectedObject = aRef->value();
 165   }
 166   updateSelectionName();
 167
 168   this->blockSignals(isBlocked);
 169   return true;
 170 }
 171
 172 //********************************************************************
 173 QList<QWidget*> ModuleBase_WidgetShapeSelector::getControls() const
 174 {
 175   QList<QWidget*> aControls;
 176   aControls.append(myLabel);
 177   aControls.append(myTextLine);
 178   return aControls;
 179 }
 180
 181 //********************************************************************
 182 void ModuleBase_WidgetShapeSelector::onSelectionChanged()
 183 {
 184   QList<ObjectPtr> aObjects = myWorkshop->selection()->selectedObjects();
 185   if (aObjects.size() > 0) {
 186     ObjectPtr aObject = aObjects.first();
 187     if ((!mySelectedObject) && (!aObject))
 188       return;
 189     if (mySelectedObject && aObject && mySelectedObject->isSame(aObject))
 190       return;
 191
 192     // Get sub-shapes from local selection
 193     boost::shared_ptr<GeomAPI_Shape> aShape;
 194     if (myUseSubShapes) {
 195       NCollection_List<TopoDS_Shape> aShapeList;
 196       std::list<ObjectPtr> aOwners;
 197       myWorkshop->selection()->selectedShapes(aShapeList, aOwners);
 198       if (aShapeList.Extent() > 0) {
 199         aShape = boost::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
 200         aShape->setImpl(new TopoDS_Shape(aShapeList.First()));
 201       }
 202     }
 203
 204     // Check that the selection corresponds to selection type
 205     if (myUseSubShapes) {
 206       if (!isAccepted(aShape))
 207         return;
 208     } else {
 209       if (!isAccepted(aObject))
 210         return;
 211     }
 212     setObject(aObject, aShape);
 213     emit focusOutWidget(this);
 214   }
 215 }
 216
 217 //********************************************************************
 218 void ModuleBase_WidgetShapeSelector::setObject(ObjectPtr theObj, boost::shared_ptr<GeomAPI_Shape> theShape)
 219 {
 220   if (mySelectedObject == theObj)
 221     return;
 222   mySelectedObject = theObj;
 223   myShape = theShape;
 224   if (mySelectedObject) {
 225     raisePanel();
 226     if (!myUseSubShapes) {
 227       static Events_ID anEvent = Events_Loop::eventByName(EVENT_OBJECT_TOHIDE);
 228       ModelAPI_EventCreator::get()->sendUpdated(mySelectedObject, anEvent);
 229     }
 230   }
 231   updateSelectionName();
 232   activateSelection(false);
 233   emit valuesChanged();
 234 }
 235
 236 //********************************************************************
 237 bool ModuleBase_WidgetShapeSelector::isAccepted(const ObjectPtr theResult) const
 238 {
 239   ResultPtr aResult = boost::dynamic_pointer_cast<ModelAPI_Result>(theResult);
 240   if (myFeature) {
 241     // We can not select a result of our feature
 242     const std::list<boost::shared_ptr<ModelAPI_Result>>& aRes = myFeature->results();
 243     std::list<boost::shared_ptr<ModelAPI_Result> >::const_iterator aIt;
 244     for (aIt = aRes.cbegin(); aIt != aRes.cend(); ++aIt) {
 245       if ((*aIt) == aResult)
 246         return false;
 247     }
 248   }
 249   // Check that object belongs to active document or PartSet
 250   DocumentPtr aDoc = aResult->document();
 251   SessionPtr aMgr = ModelAPI_Session::get();
 252   if (!(aDoc == aMgr->activeDocument()) || (aDoc == aMgr->moduleDocument()))
 253     return false;
 254
 255   // Check that the shape of necessary type
 256   boost::shared_ptr<GeomAPI_Shape> aShapePtr = ModelAPI_Tools::shape(aResult);
 257   if (!aShapePtr)
 258     return false;
 259   TopoDS_Shape aShape = aShapePtr->impl<TopoDS_Shape>();
 260   if (aShape.IsNull())
 261     return false;
 262
 263   TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
 264   if (aShapeType == TopAbs_COMPOUND) {
 265     foreach (QString aType, myShapeTypes) {
 266       TopExp_Explorer aEx(aShape, shapeType(aType));
 267       if (aEx.More())
 268         return true;
 269     }
 270   } else {
 271     foreach (QString aType, myShapeTypes) {
 272       if (shapeType(aType) == aShapeType)
 273         return true;
 274     }
 275   }
 276   return false;
 277 }
 278
 279 //********************************************************************
 280 bool ModuleBase_WidgetShapeSelector::isAccepted(boost::shared_ptr<GeomAPI_Shape> theShape) const
 281 {
 282   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 283   foreach (QString aType, myShapeTypes) {
 284     if (aShape.ShapeType() == shapeType(aType))
 285       return true;
 286   }
 287   return false;
 288 }
 289
 290 //********************************************************************
 291 void ModuleBase_WidgetShapeSelector::updateSelectionName()
 292 {
 293   if (mySelectedObject) {
 294     std::string aName = mySelectedObject->data()->name();
 295     myTextLine->setText(QString::fromStdString(aName));
 296   } else {
 297     if (myIsActive) {
 298       QString aMsg = tr("Select a ");
 299       int i = 0;
 300       foreach (QString aType, myShapeTypes) {
 301         if (i > 0)
 302           aMsg += " or ";
 303         aMsg += aType;
 304         i++;
 305       }
 306       myTextLine->setText(aMsg);
 307     } else
 308       myTextLine->setText(tr("No object selected"));
 309   }
 310 }
 311
 312
 313 //********************************************************************
 314 void ModuleBase_WidgetShapeSelector::activateSelection(bool toActivate)
 315 {
 316   myIsActive = toActivate;
 317   if (myIsActive)
 318     myTextLine->setPalette(myBasePalet);
 319   else
 320     myTextLine->setPalette(myInactivePalet);
 321   updateSelectionName();
 322
 323   if (myIsActive) {
 324     connect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 325     if (myUseSubShapes) {
 326       QIntList aList;
 327       foreach (QString aType, myShapeTypes)
 328         aList.append(shapeType(aType));
 329       myWorkshop->activateSubShapesSelection(aList);
 330     }
 331   } else {
 332     disconnect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 333     if (myUseSubShapes)
 334       myWorkshop->deactivateSubShapesSelection();
 335   }
 336 }
 337
 338 //********************************************************************
 339 void ModuleBase_WidgetShapeSelector::raisePanel() const
 340 {
 341   QWidget* aParent = myContainer->parentWidget();
 342   QWidget* aLastPanel = 0;
 343   while (!aParent->inherits("QDockWidget")) {
 344     aLastPanel = aParent;
 345     aParent = aParent->parentWidget();
 346     if (!aParent)
 347       return;
 348   }
 349   if (aParent->inherits("QDockWidget")) {
 350     QDockWidget* aTabWgt = (QDockWidget*) aParent;
 351     aTabWgt->raise();
 352   }
 353 }
 354
 355 //********************************************************************
 356 bool ModuleBase_WidgetShapeSelector::focusTo()
 357 {
 358   activateSelection(true);
 359   return true;
 360 }
 361
 362 //********************************************************************
 363 bool ModuleBase_WidgetShapeSelector::eventFilter(QObject* theObj, QEvent* theEvent)
 364 {
 365   if (theObj == myTextLine) {
 366     if (theEvent->type() == QEvent::FocusIn)
 367       activateSelection(true);
 368   }
 369   return ModuleBase_ModelWidget::eventFilter(theObj, theEvent);
 370 }
 371
 372 //********************************************************************
 373 bool ModuleBase_WidgetShapeSelector::setValue(ModuleBase_WidgetValue* theValue)
 374 {
 375   if (theValue) {
 376     ModuleBase_WidgetValueFeature* aFeatureValue =
 377         dynamic_cast<ModuleBase_WidgetValueFeature*>(theValue);
 378     if (aFeatureValue && aFeatureValue->object()) {
 379       ObjectPtr aObject = aFeatureValue->object();
 380       if (isAccepted(aObject)) {
 381         setObject(aObject);
 382         return true;
 383       }
 384     }
 385   }
 386   return false;
 387 }
 388