src/ModuleBase/ModuleBase_Tools.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        ModuleBase_Tools.cpp
   4 // Created:     11 July 2014
   5 // Author:      Vitaly Smetannikov
   6
   7 #include "ModuleBase_Tools.h"
   8
   9 #include <ModuleBase_ParamIntSpinBox.h>
  10 #include <ModuleBase_ParamSpinBox.h>
  11 #include <ModuleBase_WidgetFactory.h>
  12 #include <ModuleBase_IWorkshop.h>
  13 #include <ModuleBase_IModule.h>
  14 #include <ModuleBase_IconFactory.h>
  15
  16 #include <ModelAPI_Attribute.h>
  17 #include <ModelAPI_AttributeRefAttr.h>
  18 #include <ModelAPI_AttributeReference.h>
  19 #include <ModelAPI_AttributeSelection.h>
  20 #include <ModelAPI_AttributeSelectionList.h>
  21 #include <ModelAPI_AttributeRefList.h>
  22 #include <ModelAPI_AttributeRefAttrList.h>
  23 #include <ModelAPI_ResultPart.h>
  24 #include <Events_Loop.h>
  25
  26 #include <ModelAPI_Data.h>
  27 #include <ModelAPI_Result.h>
  28 #include <ModelAPI_ResultCompSolid.h>
  29 #include <ModelAPI_ResultParameter.h>
  30 #include <ModelAPI_Tools.h>
  31 #include <ModelAPI_Session.h>
  32 #include <ModelAPI_Events.h>
  33
  34 #include <TopoDS_Iterator.hxx>
  35
  36 #include <GeomDataAPI_Point2D.h>
  37 #include <Events_Error.h>
  38
  39 #include <Config_PropManager.h>
  40
  41 #include <QWidget>
  42 #include <QLayout>
  43 #include <QPainter>
  44 #include <QBitmap>
  45 #include <QDoubleSpinBox>
  46 #include <QGraphicsDropShadowEffect>
  47 #include <QColor>
  48 #include <QApplication>
  49 #include <QMessageBox>
  50 #include <QAction>
  51
  52 #include <sstream>
  53 #include <string>
  54
  55 const double tolerance = 1e-7;
  56
  57 //#define DEBUG_ACTIVATE_WINDOW
  58 //#define DEBUG_SET_FOCUS
  59
  60 namespace ModuleBase_Tools {
  61
  62 //******************************************************************
  63
  64 //******************************************************************
  65
  66 void adjustMargins(QWidget* theWidget)
  67 {
  68   if(!theWidget)
  69     return;
  70   adjustMargins(theWidget->layout());
  71 }
  72
  73 void adjustMargins(QLayout* theLayout)
  74 {
  75   if(!theLayout)
  76     return;
  77   theLayout->setContentsMargins(2, 5, 2, 5);
  78   theLayout->setSpacing(4);
  79 }
  80
  81 void zeroMargins(QWidget* theWidget)
  82 {
  83   if(!theWidget)
  84     return;
  85   zeroMargins(theWidget->layout());
  86 }
  87
  88 void zeroMargins(QLayout* theLayout)
  89 {
  90   if(!theLayout)
  91     return;
  92   theLayout->setContentsMargins(0, 0, 0, 0);
  93   theLayout->setSpacing(5);
  94 }
  95
  96 void activateWindow(QWidget* theWidget, const QString& theInfo)
  97 {
  98   theWidget->activateWindow();
  99
 100 #ifdef DEBUG_ACTIVATE_WINDOW
 101   qDebug(QString("activateWindow: %1").arg(theInfo).toStdString().c_str());
 102 #endif
 103 }
 104
 105 void setFocus(QWidget* theWidget, const QString& theInfo)
 106 {
 107   theWidget->setFocus();
 108
 109 #ifdef DEBUG_SET_FOCUS
 110   qDebug(QString("setFocus: %1").arg(theInfo).toStdString().c_str());
 111 #endif
 112 }
 113
 114 void setShadowEffect(QWidget* theWidget, const bool isSetEffect)
 115 {
 116   if (isSetEffect) {
 117     QGraphicsDropShadowEffect* aGlowEffect = new QGraphicsDropShadowEffect();
 118     aGlowEffect->setOffset(.0);
 119     aGlowEffect->setBlurRadius(10.0);
 120     aGlowEffect->setColor(QColor(0, 170, 255)); // Light-blue color, #00AAFF
 121     theWidget->setGraphicsEffect(aGlowEffect);
 122   }
 123   else {
 124     QGraphicsEffect* anEffect = theWidget->graphicsEffect();
 125     if(anEffect)
 126     anEffect->deleteLater();
 127     theWidget->setGraphicsEffect(NULL);
 128   }
 129 }
 130
 131 QPixmap composite(const QString& theAdditionalIcon, const QString& theIcon)
 132 {
 133   QImage anIcon = ModuleBase_IconFactory::loadImage(theIcon);
 134   QImage anAditional(theAdditionalIcon);
 135
 136   if (anIcon.isNull())
 137     return QPixmap();
 138
 139   int anAddWidth = anAditional.width();
 140   int anAddHeight = anAditional.height();
 141
 142   int aWidth = anIcon.width();
 143   int aHeight = anIcon.height();
 144
 145   int aStartWidthPos = aWidth - anAddWidth - 1;
 146   int aStartHeightPos = aHeight - anAddHeight - 1;
 147
 148   for (int i = 0; i < anAddWidth && i + aStartWidthPos < aWidth; i++)
 149   {
 150     for (int j = 0; j < anAddHeight && j + aStartHeightPos < aHeight; j++)
 151     {
 152       if (qAlpha(anAditional.pixel(i, j)) > 0)
 153         anIcon.setPixel(i + aStartWidthPos, j + aStartHeightPos, anAditional.pixel(i, j));
 154     }
 155   }
 156   return QPixmap::fromImage(anIcon);
 157 }
 158
 159 QPixmap lighter(const QString& theIcon, const int theLighterValue)
 160 {
 161   QImage anIcon = ModuleBase_IconFactory::loadImage(theIcon);
 162   if (anIcon.isNull())
 163     return QPixmap();
 164
 165   QImage aResult = ModuleBase_IconFactory::loadImage(theIcon);
 166   for (int i = 0; i < anIcon.width(); i++)
 167   {
 168     for (int j = 0; j < anIcon.height(); j++)
 169     {
 170       QRgb anRgb = anIcon.pixel(i, j);
 171       QColor aPixelColor(qRed(anRgb), qGreen(anRgb), qBlue(anRgb),
 172                          qAlpha(aResult.pixel(i, j)));
 173
 174       QColor aLighterColor = aPixelColor.lighter(theLighterValue);
 175       aResult.setPixel(i, j, qRgba(aLighterColor.red(), aLighterColor.green(),
 176                                     aLighterColor.blue(), aLighterColor.alpha()));
 177     }
 178   }
 179   return QPixmap::fromImage(aResult);
 180 }
 181
 182 void setSpinText(ModuleBase_ParamSpinBox* theSpin, const QString& theText)
 183 {
 184   if (theSpin->text() == theText)
 185     return;
 186   // In order to avoid extra text setting because it will
 187   // reset cursor position in control
 188   bool isBlocked = theSpin->blockSignals(true);
 189   theSpin->setText(theText);
 190   theSpin->blockSignals(isBlocked);
 191 }
 192
 193 void setSpinValue(QDoubleSpinBox* theSpin, double theValue)
 194 {
 195   if (fabs(theSpin->value() - theValue) < tolerance)
 196     return;
 197   bool isBlocked = theSpin->blockSignals(true);
 198   theSpin->setValue(theValue);
 199   theSpin->blockSignals(isBlocked);
 200 }
 201
 202 void setSpinValue(ModuleBase_ParamSpinBox* theSpin, double theValue)
 203 {
 204   if (fabs(theSpin->value() - theValue) < tolerance)
 205     return;
 206   bool isBlocked = theSpin->blockSignals(true);
 207   theSpin->setValue(theValue);
 208   theSpin->blockSignals(isBlocked);
 209 }
 210
 211 void setSpinText(ModuleBase_ParamIntSpinBox* theSpin, const QString& theText)
 212 {
 213   // In order to avoid extra text setting because it will
 214   // reset cursor position in control
 215   if (theSpin->text() == theText)
 216     return;
 217   bool isBlocked = theSpin->blockSignals(true);
 218   theSpin->setText(theText);
 219   theSpin->blockSignals(isBlocked);
 220 }
 221
 222 void setSpinValue(ModuleBase_ParamIntSpinBox* theSpin, int theValue)
 223 {
 224   if (theSpin->value() == theValue)
 225     return;
 226   bool isBlocked = theSpin->blockSignals(true);
 227   theSpin->setValue(theValue);
 228   theSpin->blockSignals(isBlocked);
 229 }
 230
 231 QAction* createAction(const QIcon& theIcon, const QString& theText,
 232                       QObject* theParent, const QObject* theReceiver,
 233                       const char* theMember, const QString& theToolTip,
 234                       const QString& theStatusTip)
 235 {
 236   QAction* anAction = new QAction(theIcon, theText, theParent);
 237   anAction->setToolTip(theToolTip.isEmpty() ? theText : theToolTip);
 238   anAction->setStatusTip(!theStatusTip.isEmpty() ? theStatusTip :
 239                                                    (!theToolTip.isEmpty() ? theToolTip : theText));
 240   if (theReceiver)
 241     QObject::connect(anAction, SIGNAL(triggered(bool)), theReceiver, theMember);
 242
 243   return anAction;
 244 }
 245
 246 QString objectInfo(const ObjectPtr& theObj, const bool isUseAttributesInfo)
 247 {
 248   QString aFeatureStr = "feature";
 249   if (!theObj.get())
 250     return aFeatureStr;
 251
 252   std::ostringstream aPtrStr;
 253   aPtrStr << "[" << theObj.get() << "]";
 254
 255   ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(theObj);
 256   FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theObj);
 257   if(aRes.get()) {
 258     aFeatureStr.append(QString("(result%1)").arg(aPtrStr.str().c_str()).toStdString() .c_str());
 259     if (aRes->isDisabled())
 260       aFeatureStr.append("[disabled]");
 261     if (aRes->isConcealed())
 262       aFeatureStr.append("[concealed]");
 263     if (ModelAPI_Tools::hasSubResults(aRes))
 264       aFeatureStr.append("[hasSubResults]");
 265
 266     aFeature = ModelAPI_Feature::feature(aRes);
 267   }
 268   else
 269     aFeatureStr.append(aPtrStr.str().c_str());
 270
 271   if (aFeature.get()) {
 272     aFeatureStr.append(QString(": %1").arg(aFeature->getKind().c_str()).toStdString().c_str());
 273     if (aFeature->data()->isValid()) {
 274       aFeatureStr.append(QString(", name=%1").arg(aFeature->data()->name().c_str()).toStdString()
 275                                                                                        .c_str());
 276     }
 277     if (isUseAttributesInfo) {
 278       std::list<AttributePtr> anAttrs = aFeature->data()->attributes("");
 279       std::list<AttributePtr>::const_iterator anIt = anAttrs.begin(), aLast = anAttrs.end();
 280       QStringList aValues;
 281       for(; anIt != aLast; anIt++) {
 282         AttributePtr anAttr = *anIt;
 283         QString aValue = "not defined";
 284         std::string aType = anAttr->attributeType();
 285         if (aType == GeomDataAPI_Point2D::typeId()) {
 286           std::shared_ptr<GeomDataAPI_Point2D> aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 287                                                                                          anAttr);
 288           if (aPoint.get())
 289             aValue = QString("(%1, %2)").arg(aPoint->x()).arg(aPoint->y());
 290         }
 291         else if (aType == ModelAPI_AttributeRefAttr::typeId()) {
 292         }
 293
 294         aValues.push_back(QString("%1: %2").arg(anAttr->id().c_str()).arg(aValue).toStdString().c_str());
 295       }
 296       if (!aValues.empty())
 297         aFeatureStr.append(QString(", attributes: %1").arg(aValues.join(", ").toStdString().c_str()));
 298     }
 299   }
 300
 301   return aFeatureStr;
 302 }
 303
 304 typedef QMap<QString, TopAbs_ShapeEnum> ShapeTypes;
 305 static ShapeTypes myShapeTypes;
 306
 307 TopAbs_ShapeEnum shapeType(const QString& theType)
 308 {
 309   if (myShapeTypes.count() == 0) {
 310     myShapeTypes["compound"]   = TopAbs_COMPOUND;
 311     myShapeTypes["compounds"]  = TopAbs_COMPOUND;
 312     myShapeTypes["compsolid"]  = TopAbs_COMPSOLID;
 313     myShapeTypes["compsolids"] = TopAbs_COMPSOLID;
 314     myShapeTypes["solid"]      = TopAbs_SOLID;
 315     myShapeTypes["solids"]     = TopAbs_SOLID;
 316     myShapeTypes["shell"]      = TopAbs_SHELL;
 317     myShapeTypes["shells"]     = TopAbs_SHELL;
 318     myShapeTypes["face"]       = TopAbs_FACE;
 319     myShapeTypes["faces"]      = TopAbs_FACE;
 320     myShapeTypes["wire"]       = TopAbs_WIRE;
 321     myShapeTypes["wires"]      = TopAbs_WIRE;
 322     myShapeTypes["edge"]       = TopAbs_EDGE;
 323     myShapeTypes["edges"]      = TopAbs_EDGE;
 324     myShapeTypes["vertex"]     = TopAbs_VERTEX;
 325     myShapeTypes["vertices"]   = TopAbs_VERTEX;
 326     myShapeTypes["objects"]    = TopAbs_SHAPE;
 327   }
 328   QString aType = theType.toLower();
 329   if(myShapeTypes.contains(aType))
 330     return myShapeTypes[aType];
 331   Events_Error::send("Shape type defined in XML is not implemented!");
 332   return TopAbs_SHAPE;
 333 }
 334
 335 void checkObjects(const QObjectPtrList& theObjects, bool& hasResult, bool& hasFeature,
 336                   bool& hasParameter, bool& hasCompositeOwner)
 337 {
 338   hasResult = false;
 339   hasFeature = false;
 340   hasParameter = false;
 341   hasCompositeOwner = false;
 342   foreach(ObjectPtr aObj, theObjects) {
 343     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
 344     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(aObj);
 345     ResultParameterPtr aConstruction = std::dynamic_pointer_cast<ModelAPI_ResultParameter>(aResult);
 346
 347     hasResult |= (aResult.get() != NULL);
 348     hasFeature |= (aFeature.get() != NULL);
 349     hasParameter |= (aConstruction.get() != NULL);
 350     if (hasFeature)
 351       hasCompositeOwner |= (ModelAPI_Tools::compositeOwner(aFeature) != NULL);
 352     if (hasFeature && hasResult  && hasParameter && hasCompositeOwner)
 353       break;
 354   }
 355 }
 356
 357 void setDefaultDeviationCoefficient(const TopoDS_Shape& theShape,
 358                                     const Handle(Prs3d_Drawer)& theDrawer)
 359 {
 360   if (theShape.IsNull())
 361     return;
 362   TopAbs_ShapeEnum aType = theShape.ShapeType();
 363   if ((aType == TopAbs_EDGE) || (aType == TopAbs_WIRE))
 364     theDrawer->SetDeviationCoefficient(1.e-4);
 365 }
 366
 367 Quantity_Color color(const std::string& theSection,
 368                      const std::string& theName,
 369                      const std::string& theDefault)
 370 {
 371   std::vector<int> aColor = Config_PropManager::color(theSection, theName, theDefault);
 372   return Quantity_Color(aColor[0] / 255., aColor[1] / 255., aColor[2] / 255., Quantity_TOC_RGB);
 373 }
 374
 375 ObjectPtr getObject(const AttributePtr& theAttribute)
 376 {
 377   ObjectPtr anObject;
 378   std::string anAttrType = theAttribute->attributeType();
 379   if (anAttrType == ModelAPI_AttributeRefAttr::typeId()) {
 380     AttributeRefAttrPtr anAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
 381     if (anAttr != NULL && anAttr->isObject())
 382       anObject = anAttr->object();
 383   }
 384   if (anAttrType == ModelAPI_AttributeSelection::typeId()) {
 385     AttributeSelectionPtr anAttr = std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(theAttribute);
 386     if (anAttr != NULL)
 387       anObject = anAttr->context();
 388   }
 389   if (anAttrType == ModelAPI_AttributeReference::typeId()) {
 390     AttributeReferencePtr anAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(theAttribute);
 391     if (anAttr.get() != NULL)
 392       anObject = anAttr->value();
 393   }
 394   return anObject;
 395 }
 396
 397 TopAbs_ShapeEnum getCompoundSubType(const TopoDS_Shape& theShape)
 398 {
 399   TopAbs_ShapeEnum aShapeType = theShape.ShapeType();
 400
 401   // for compounds check sub-shapes: it may be compound of needed type:
 402   // Booleans may produce compounds of Solids
 403   if (aShapeType == TopAbs_COMPOUND) {
 404     for(TopoDS_Iterator aSubs(theShape); aSubs.More(); aSubs.Next()) {
 405       if (!aSubs.Value().IsNull()) {
 406         TopAbs_ShapeEnum aSubType = aSubs.Value().ShapeType();
 407         if (aSubType == TopAbs_COMPOUND) { // compound of compound(s)
 408           aShapeType = TopAbs_COMPOUND;
 409           break;
 410         }
 411         if (aShapeType == TopAbs_COMPOUND) {
 412           aShapeType = aSubType;
 413         } else if (aShapeType != aSubType) { // compound of shapes of different types
 414           aShapeType = TopAbs_COMPOUND;
 415           break;
 416         }
 417       }
 418     }
 419   }
 420   return aShapeType;
 421 }
 422
 423 void getParameters(QStringList& theParameters)
 424 {
 425   theParameters.clear();
 426
 427   SessionPtr aSession = ModelAPI_Session::get();
 428   std::list<DocumentPtr> aDocList;
 429   DocumentPtr anActiveDocument = aSession->activeDocument();
 430   DocumentPtr aRootDocument = aSession->moduleDocument();
 431   aDocList.push_back(anActiveDocument);
 432   if (anActiveDocument != aRootDocument) {
 433     aDocList.push_back(aRootDocument);
 434   }
 435   std::string aGroupId = ModelAPI_ResultParameter::group();
 436   for(std::list<DocumentPtr>::const_iterator it = aDocList.begin(); it != aDocList.end(); ++it) {
 437     DocumentPtr aDocument = *it;
 438     int aSize = aDocument->size(aGroupId);
 439     for (int i = 0; i < aSize; i++) {
 440       ObjectPtr anObject = aDocument->object(aGroupId, i);
 441       std::string aParameterName = anObject->data()->name();
 442       theParameters.append(aParameterName.c_str());
 443     }
 444   }
 445 }
 446
 447 std::string findGreedAttribute(ModuleBase_IWorkshop* theWorkshop, const FeaturePtr& theFeature)
 448 {
 449   std::string anAttributeId;
 450
 451   std::string aXmlCfg, aDescription;
 452   theWorkshop->module()->getXMLRepresentation(theFeature->getKind(), aXmlCfg, aDescription);
 453
 454   ModuleBase_WidgetFactory aFactory(aXmlCfg, theWorkshop);
 455   std::string anAttributeTitle;
 456   aFactory.getGreedAttribute(anAttributeId);
 457
 458   return anAttributeId;
 459 }
 460
 461 bool hasObject(const AttributePtr& theAttribute, const ObjectPtr& theObject,
 462                const std::shared_ptr<GeomAPI_Shape>& theShape,
 463                ModuleBase_IWorkshop* theWorkshop,
 464                const bool theTemporarily)
 465 {
 466   bool aHasObject = false;
 467   if (!theAttribute.get())
 468     return aHasObject;
 469
 470   std::string aType = theAttribute->attributeType();
 471   if (aType == ModelAPI_AttributeReference::typeId()) {
 472     AttributeReferencePtr aRef = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(theAttribute);
 473     ObjectPtr aObject = aRef->value();
 474     aHasObject = aObject && aObject->isSame(theObject);
 475     //if (!(aObject && aObject->isSame(theObject))) {
 476     //  aRef->setValue(theObject);
 477     //}
 478   } else if (aType == ModelAPI_AttributeRefAttr::typeId()) {
 479     AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
 480
 481     AttributePtr anAttribute = theWorkshop->module()->findAttribute(theObject, theShape);
 482     if (anAttribute.get()) {
 483       //aRefAttr->setAttr(anAttribute);
 484     }
 485     else {
 486       ObjectPtr aObject = aRefAttr->object();
 487       aHasObject = aObject && aObject->isSame(theObject);
 488       //if (!(aObject && aObject->isSame(theObject))) {
 489       //  aRefAttr->setObject(theObject);
 490       //}
 491     }
 492   } else if (aType == ModelAPI_AttributeSelection::typeId()) {
 493     /*AttributeSelectionPtr aSelectAttr =
 494                              std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(theAttribute);
 495     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 496     if (aSelectAttr.get() != NULL) {
 497       aSelectAttr->setValue(aResult, theShape, theTemporarily);
 498     }*/
 499   }
 500   if (aType == ModelAPI_AttributeSelectionList::typeId()) {
 501     AttributeSelectionListPtr aSelectionListAttr =
 502                          std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(theAttribute);
 503     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 504     aHasObject = aSelectionListAttr->isInList(aResult, theShape, theTemporarily);
 505     //if (!theCheckIfAttributeHasObject || !aSelectionListAttr->isInList(aResult, theShape, theTemporarily))
 506     //  aSelectionListAttr->append(aResult, theShape, theTemporarily);
 507   }
 508   else if (aType == ModelAPI_AttributeRefList::typeId()) {
 509     AttributeRefListPtr aRefListAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(theAttribute);
 510     aHasObject = aRefListAttr->isInList(theObject);
 511     //if (!theCheckIfAttributeHasObject || !aRefListAttr->isInList(theObject))
 512     //  aRefListAttr->append(theObject);
 513   }
 514   else if (aType == ModelAPI_AttributeRefAttrList::typeId()) {
 515     AttributeRefAttrListPtr aRefAttrListAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttrList>(theAttribute);
 516     AttributePtr anAttribute = theWorkshop->module()->findAttribute(theObject, theShape);
 517
 518     if (anAttribute.get()) {
 519       aHasObject = aRefAttrListAttr->isInList(anAttribute);
 520       //if (!theCheckIfAttributeHasObject || !aRefAttrListAttr->isInList(anAttribute))
 521       //  aRefAttrListAttr->append(anAttribute);
 522     }
 523     else {
 524       aHasObject = aRefAttrListAttr->isInList(theObject);
 525       //if (!theCheckIfAttributeHasObject || !aRefAttrListAttr->isInList(theObject))
 526       //  aRefAttrListAttr->append(theObject);
 527     }
 528   }
 529   return aHasObject;
 530 }
 531
 532 void setObject(const AttributePtr& theAttribute, const ObjectPtr& theObject,
 533                const GeomShapePtr& theShape, ModuleBase_IWorkshop* theWorkshop,
 534                const bool theTemporarily, const bool theCheckIfAttributeHasObject)
 535 {
 536   if (!theAttribute.get())
 537     return;
 538
 539   std::string aType = theAttribute->attributeType();
 540   if (aType == ModelAPI_AttributeReference::typeId()) {
 541     AttributeReferencePtr aRef = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(theAttribute);
 542     ObjectPtr aObject = aRef->value();
 543     if (!(aObject && aObject->isSame(theObject))) {
 544       aRef->setValue(theObject);
 545     }
 546   } else if (aType == ModelAPI_AttributeRefAttr::typeId()) {
 547     AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
 548
 549     AttributePtr anAttribute = theWorkshop->module()->findAttribute(theObject, theShape);
 550     if (anAttribute.get())
 551       aRefAttr->setAttr(anAttribute);
 552     else {
 553       ObjectPtr aObject = aRefAttr->object();
 554       if (!(aObject && aObject->isSame(theObject))) {
 555         aRefAttr->setObject(theObject);
 556       }
 557     }
 558   } else if (aType == ModelAPI_AttributeSelection::typeId()) {
 559     AttributeSelectionPtr aSelectAttr =
 560                              std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(theAttribute);
 561     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 562     if (aSelectAttr.get() != NULL) {
 563       aSelectAttr->setValue(aResult, theShape, theTemporarily);
 564     }
 565   }
 566   if (aType == ModelAPI_AttributeSelectionList::typeId()) {
 567     AttributeSelectionListPtr aSelectionListAttr =
 568                          std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(theAttribute);
 569     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 570     if (!theCheckIfAttributeHasObject || !aSelectionListAttr->isInList(aResult, theShape, theTemporarily))
 571       aSelectionListAttr->append(aResult, theShape, theTemporarily);
 572   }
 573   else if (aType == ModelAPI_AttributeRefList::typeId()) {
 574     AttributeRefListPtr aRefListAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(theAttribute);
 575     if (!theCheckIfAttributeHasObject || !aRefListAttr->isInList(theObject))
 576       aRefListAttr->append(theObject);
 577   }
 578   else if (aType == ModelAPI_AttributeRefAttrList::typeId()) {
 579     AttributeRefAttrListPtr aRefAttrListAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttrList>(theAttribute);
 580     AttributePtr anAttribute = theWorkshop->module()->findAttribute(theObject, theShape);
 581
 582     if (anAttribute.get()) {
 583       if (!theCheckIfAttributeHasObject || !aRefAttrListAttr->isInList(anAttribute))
 584         aRefAttrListAttr->append(anAttribute);
 585     }
 586     else {
 587       if (!theCheckIfAttributeHasObject || !aRefAttrListAttr->isInList(theObject))
 588         aRefAttrListAttr->append(theObject);
 589     }
 590   }
 591 }
 592
 593 GeomShapePtr getShape(const AttributePtr& theAttribute, ModuleBase_IWorkshop* theWorkshop)
 594 {
 595   GeomShapePtr aShape;
 596   if (!theAttribute.get())
 597     return aShape;
 598
 599   std::string aType = theAttribute->attributeType();
 600   if (aType == ModelAPI_AttributeReference::typeId()) {
 601   } else if (aType == ModelAPI_AttributeRefAttr::typeId()) {
 602     AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
 603     if (aRefAttr.get() && !aRefAttr->isObject()) {
 604       AttributePtr anAttribute = aRefAttr->attr();
 605       aShape = theWorkshop->module()->findShape(anAttribute);
 606     }
 607   } else if (aType == ModelAPI_AttributeSelection::typeId()) {
 608     AttributeSelectionPtr aSelectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeSelection>
 609                                                                                  (theAttribute);
 610     aShape = aSelectAttr->value();
 611   }
 612   return aShape;
 613 }
 614
 615 void flushUpdated(ObjectPtr theObject)
 616 {
 617   blockUpdateViewer(true);
 618
 619   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
 620
 621   blockUpdateViewer(false);
 622 }
 623
 624 void blockUpdateViewer(const bool theValue)
 625 {
 626   // the viewer update should be blocked in order to avoid the temporary feature content
 627   // when the solver processes the feature, the redisplay message can be flushed
 628   // what caused the display in the viewer preliminary states of object
 629   // e.g. fillet feature, angle value change
 630   std::shared_ptr<Events_Message> aMsg;
 631   if (theValue) {
 632     aMsg = std::shared_ptr<Events_Message>(
 633         new Events_Message(Events_Loop::eventByName(EVENT_UPDATE_VIEWER_BLOCKED)));
 634   }
 635   else {
 636     // the viewer update should be unblocked
 637     aMsg = std::shared_ptr<Events_Message>(
 638         new Events_Message(Events_Loop::eventByName(EVENT_UPDATE_VIEWER_UNBLOCKED)));
 639   }
 640   Events_Loop::loop()->send(aMsg);
 641 }
 642
 643 QString wrapTextByWords(const QString& theValue, QWidget* theWidget,
 644                                           int theMaxLineInPixels)
 645 {
 646   static QFontMetrics tfm(theWidget ? theWidget->font() : QApplication::font());
 647   static qreal phi = 2.618;
 648
 649   QRect aBounds = tfm.boundingRect(theValue);
 650   if(aBounds.width() <= theMaxLineInPixels)
 651     return theValue;
 652
 653   qreal s = aBounds.width() * aBounds.height();
 654   qreal aGoldWidth = sqrt(s*phi);
 655
 656   QStringList aWords = theValue.split(" ", QString::SkipEmptyParts);
 657   QStringList aLines;
 658   int n = aWords.count();
 659   QString aLine;
 660   for (int i = 0; i < n; i++) {
 661     QString aLineExt = aLine + " " + aWords[i];
 662     qreal anWidthNonExt = tfm.boundingRect(aLine).width();
 663     qreal anWidthExt = tfm.boundingRect(aLineExt).width();
 664     qreal aDeltaNonExt = fabs(anWidthNonExt-aGoldWidth);
 665     qreal aDeltaExt    = fabs(anWidthExt-aGoldWidth);
 666     if(aDeltaNonExt < aDeltaExt) {
 667       // new line
 668       aLines.append(aLine);
 669       aLine = aWords[i];
 670     }
 671     else
 672       aLine = aLineExt;
 673   }
 674
 675   if(!aLine.isEmpty())
 676     aLines.append(aLine);
 677
 678   QString aResult = aLines.join("\n");
 679   return aResult;
 680 }
 681
 682 //**************************************************************
 683 void refsToFeatureInFeatureDocument(const ObjectPtr& theObject, std::set<FeaturePtr>& theRefFeatures)
 684 {
 685   FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
 686   if (aFeature.get()) {
 687     DocumentPtr aFeatureDoc = aFeature->document();
 688     // 1. find references in the current document
 689     aFeatureDoc->refsToFeature(aFeature, theRefFeatures, false);
 690   }
 691 }
 692
 693
 694 //**************************************************************
 695 bool isSubOfComposite(const ObjectPtr& theObject)
 696 {
 697   bool isSub = false;
 698   std::set<FeaturePtr> aRefFeatures;
 699   refsToFeatureInFeatureDocument(theObject, aRefFeatures);
 700   std::set<FeaturePtr>::const_iterator anIt = aRefFeatures.begin(),
 701                                        aLast = aRefFeatures.end();
 702   for (; anIt != aLast && !isSub; anIt++) {
 703     isSub = isSubOfComposite(theObject, *anIt);
 704   }
 705   return isSub;
 706 }
 707
 708 //**************************************************************
 709 bool isSubOfComposite(const ObjectPtr& theObject, const FeaturePtr& theFeature)
 710 {
 711   bool isSub = false;
 712   CompositeFeaturePtr aComposite = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
 713   if (aComposite.get()) {
 714     isSub = aComposite->isSub(theObject);
 715     // the recursive is possible, the parameters are sketch circle and extrusion cut. They are
 716     // separated by composite sketch feature
 717     if (!isSub) {
 718       int aNbSubs = aComposite->numberOfSubs();
 719       for (int aSub = 0; aSub < aNbSubs && !isSub; aSub++) {
 720         isSub = isSubOfComposite(theObject, aComposite->subFeature(aSub));
 721       }
 722     }
 723   }
 724   return isSub;
 725 }
 726
 727 //**************************************************************
 728 bool isFeatureOfResult(const FeaturePtr& theFeature, const std::string& theGroupOfResult)
 729 {
 730   bool isResult = false;
 731
 732   if (!theFeature->data()->isValid())
 733     return isResult;
 734
 735   ResultPtr aFirstResult = theFeature->firstResult();
 736   if (!aFirstResult.get())
 737     return isResult;
 738
 739   return aFirstResult->groupName() == theGroupOfResult;
 740 }
 741
 742 //**************************************************************
 743 bool askToDelete(const std::set<FeaturePtr> theFeatures,
 744                  const std::map<FeaturePtr, std::set<FeaturePtr> >& theReferences,
 745                  QWidget* theParent,
 746                  std::set<FeaturePtr>& theReferencesToDelete)
 747 {
 748   std::set<FeaturePtr> aFeaturesRefsTo;
 749   std::set<FeaturePtr> aFeaturesRefsToParameter;
 750   std::set<FeaturePtr> aParameterFeatures;
 751   std::set<FeaturePtr>::const_iterator anIt = theFeatures.begin(),
 752                                        aLast = theFeatures.end();
 753   // separate features to references to parameter features and references to others
 754   for (; anIt != aLast; anIt++) {
 755     FeaturePtr aFeature = *anIt;
 756     if (theReferences.find(aFeature) == theReferences.end())
 757       continue;
 758
 759     std::set<FeaturePtr> aRefFeatures;
 760     std::set<FeaturePtr> aRefList = theReferences.at(aFeature);
 761     std::set<FeaturePtr>::const_iterator aRefIt = aRefList.begin(), aRefLast = aRefList.end();
 762     for (; aRefIt != aRefLast; aRefIt++) {
 763       FeaturePtr aRefFeature = *aRefIt;
 764       if (theFeatures.find(aRefFeature) == theFeatures.end() && // it is not selected
 765           aRefFeatures.find(aRefFeature) == aRefFeatures.end()) // it is not added
 766         aRefFeatures.insert(aRefFeature);
 767     }
 768
 769     if (isFeatureOfResult(aFeature, ModelAPI_ResultParameter::group())) {
 770       aFeaturesRefsToParameter.insert(aRefFeatures.begin(), aRefFeatures.end());
 771       aParameterFeatures.insert(aFeature);
 772     }
 773     else {
 774       theReferencesToDelete.insert(aRefFeatures.begin(), aRefFeatures.end());
 775     }
 776   }
 777
 778   std::set<FeaturePtr> aFeaturesRefsToParameterOnly;
 779   anIt = aFeaturesRefsToParameter.begin();
 780   aLast = aFeaturesRefsToParameter.end();
 781   // separate features to references to parameter features and references to others
 782   QStringList aParamFeatureNames;
 783   for (; anIt != aLast; anIt++) {
 784     FeaturePtr aFeature = *anIt;
 785     if (theReferencesToDelete.find(aFeature) == theReferencesToDelete.end()) {
 786       aFeaturesRefsToParameterOnly.insert(aFeature);
 787       aParamFeatureNames.append(aFeature->name().c_str());
 788     }
 789   }
 790   aParamFeatureNames.sort();
 791   QStringList aPartFeatureNames, anOtherFeatureNames;
 792   anIt = theReferencesToDelete.begin();
 793   aLast = theReferencesToDelete.end();
 794   for (; anIt != aLast; anIt++) {
 795     FeaturePtr aFeature = *anIt;
 796     if (isFeatureOfResult(aFeature, ModelAPI_ResultPart::group()))
 797       aPartFeatureNames.append(aFeature->name().c_str());
 798     else
 799       anOtherFeatureNames.append(aFeature->name().c_str());
 800   }
 801   aPartFeatureNames.sort();
 802   anOtherFeatureNames.sort();
 803
 804   bool aCanReplaceParameters = !aFeaturesRefsToParameterOnly.empty();
 805
 806   QMessageBox aMessageBox(theParent);
 807   aMessageBox.setWindowTitle(QObject::tr("Delete features"));
 808   aMessageBox.setIcon(QMessageBox::Warning);
 809   aMessageBox.setStandardButtons(QMessageBox::No | QMessageBox::Yes);
 810   aMessageBox.setDefaultButton(QMessageBox::No);
 811
 812   QString aText;
 813   QString aSep = ", ";
 814   if (!aPartFeatureNames.empty())
 815     aText += QString(QObject::tr("The following parts will be deleted: %1.\n")).arg(aPartFeatureNames.join(aSep));
 816   if (!anOtherFeatureNames.empty())
 817     aText += QString(QObject::tr("Selected features are used in the following features: %1.\nThese features will be deleted.\n"))
 818                      .arg(anOtherFeatureNames.join(aSep));
 819   if (!aParamFeatureNames.empty()) {
 820     aText += QString(QObject::tr("Selected parameters are used in the following features: %1.\nThese features will be deleted.\nOr parameters could be replaced by their values.\n"))
 821                      .arg(aParamFeatureNames.join(aSep));
 822     QPushButton *aReplaceButton = aMessageBox.addButton(QObject::tr("Replace"), QMessageBox::ActionRole);
 823   }
 824
 825   if (!aText.isEmpty()) {
 826     aText += "Would you like to continue?";
 827     aMessageBox.setText(aText);
 828     aMessageBox.exec();
 829     QMessageBox::ButtonRole aButtonRole = aMessageBox.buttonRole(aMessageBox.clickedButton());
 830
 831     if (aButtonRole == QMessageBox::NoRole)
 832       return false;
 833
 834     if (aButtonRole == QMessageBox::ActionRole) {
 835       foreach (FeaturePtr aObj, aParameterFeatures)
 836         ModelAPI_ReplaceParameterMessage::send(aObj, 0);
 837     }
 838     else
 839       theReferencesToDelete.insert(aFeaturesRefsToParameterOnly.begin(), aFeaturesRefsToParameterOnly.end());
 840   }
 841   return true;
 842 }
 843
 844 //**************************************************************
 845 void convertToFeatures(const QObjectPtrList& theObjects, std::set<FeaturePtr>& theFeatures)
 846 {
 847   QObjectPtrList::const_iterator anIt = theObjects.begin(), aLast = theObjects.end();
 848   for(; anIt != aLast; anIt++) {
 849     ObjectPtr anObject = *anIt;
 850     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anObject);
 851     // for parameter result, use the corresponded reature to be removed
 852     if (!aFeature.get() && anObject->groupName() == ModelAPI_ResultParameter::group()) {
 853       aFeature = ModelAPI_Feature::feature(anObject);
 854     }
 855     theFeatures.insert(aFeature);
 856   }
 857 }
 858
 859 } // namespace ModuleBase_Tools
 860
 861