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["face"] = TopAbs_FACE;
 311     MyShapeTypes["faces"] = TopAbs_FACE;
 312     MyShapeTypes["vertex"] = TopAbs_VERTEX;
 313     MyShapeTypes["vertices"] = TopAbs_VERTEX;
 314     MyShapeTypes["wire"] = TopAbs_WIRE;
 315     MyShapeTypes["wires"] = TopAbs_WIRE;
 316     MyShapeTypes["edge"] = TopAbs_EDGE;
 317     MyShapeTypes["edges"] = TopAbs_EDGE;
 318     MyShapeTypes["shell"] = TopAbs_SHELL;
 319     MyShapeTypes["solid"] = TopAbs_SOLID;
 320     MyShapeTypes["solids"] = TopAbs_SOLID;
 321     MyShapeTypes["objects"] = TopAbs_SHAPE;
 322   }
 323   QString aType = theType.toLower();
 324   if (MyShapeTypes.contains(aType))
 325     return MyShapeTypes[aType];
 326   Events_Error::send("Shape type defined in XML is not implemented!");
 327   return TopAbs_SHAPE;
 328 }
 329
 330 void checkObjects(const QObjectPtrList& theObjects, bool& hasResult, bool& hasFeature,
 331                   bool& hasParameter, bool& hasCompositeOwner)
 332 {
 333   hasResult = false;
 334   hasFeature = false;
 335   hasParameter = false;
 336   hasCompositeOwner = false;
 337   foreach(ObjectPtr aObj, theObjects) {
 338     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
 339     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(aObj);
 340     ResultParameterPtr aConstruction = std::dynamic_pointer_cast<ModelAPI_ResultParameter>(aResult);
 341
 342     hasResult |= (aResult.get() != NULL);
 343     hasFeature |= (aFeature.get() != NULL);
 344     hasParameter |= (aConstruction.get() != NULL);
 345     if (hasFeature)
 346       hasCompositeOwner |= (ModelAPI_Tools::compositeOwner(aFeature) != NULL);
 347     if (hasFeature && hasResult  && hasParameter && hasCompositeOwner)
 348       break;
 349   }
 350 }
 351
 352 void setDefaultDeviationCoefficient(const TopoDS_Shape& theShape,
 353                                     const Handle(Prs3d_Drawer)& theDrawer)
 354 {
 355   if (theShape.IsNull())
 356     return;
 357   TopAbs_ShapeEnum aType = theShape.ShapeType();
 358   if ((aType == TopAbs_EDGE) || (aType == TopAbs_WIRE))
 359     theDrawer->SetDeviationCoefficient(1.e-4);
 360 }
 361
 362 Quantity_Color color(const std::string& theSection,
 363                      const std::string& theName,
 364                      const std::string& theDefault)
 365 {
 366   std::vector<int> aColor = Config_PropManager::color(theSection, theName, theDefault);
 367   return Quantity_Color(aColor[0] / 255., aColor[1] / 255., aColor[2] / 255., Quantity_TOC_RGB);
 368 }
 369
 370 ObjectPtr getObject(const AttributePtr& theAttribute)
 371 {
 372   ObjectPtr anObject;
 373   std::string anAttrType = theAttribute->attributeType();
 374   if (anAttrType == ModelAPI_AttributeRefAttr::typeId()) {
 375     AttributeRefAttrPtr anAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
 376     if (anAttr != NULL && anAttr->isObject())
 377       anObject = anAttr->object();
 378   }
 379   if (anAttrType == ModelAPI_AttributeSelection::typeId()) {
 380     AttributeSelectionPtr anAttr = std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(theAttribute);
 381     if (anAttr != NULL)
 382       anObject = anAttr->context();
 383   }
 384   if (anAttrType == ModelAPI_AttributeReference::typeId()) {
 385     AttributeReferencePtr anAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(theAttribute);
 386     if (anAttr.get() != NULL)
 387       anObject = anAttr->value();
 388   }
 389   return anObject;
 390 }
 391
 392 TopAbs_ShapeEnum getCompoundSubType(const TopoDS_Shape& theShape)
 393 {
 394   TopAbs_ShapeEnum aShapeType = theShape.ShapeType();
 395
 396   // for compounds check sub-shapes: it may be compound of needed type:
 397   // Booleans may produce compounds of Solids
 398   if (aShapeType == TopAbs_COMPOUND) {
 399     for(TopoDS_Iterator aSubs(theShape); aSubs.More(); aSubs.Next()) {
 400       if (!aSubs.Value().IsNull()) {
 401         TopAbs_ShapeEnum aSubType = aSubs.Value().ShapeType();
 402         if (aSubType == TopAbs_COMPOUND) { // compound of compound(s)
 403           aShapeType = TopAbs_COMPOUND;
 404           break;
 405         }
 406         if (aShapeType == TopAbs_COMPOUND) {
 407           aShapeType = aSubType;
 408         } else if (aShapeType != aSubType) { // compound of shapes of different types
 409           aShapeType = TopAbs_COMPOUND;
 410           break;
 411         }
 412       }
 413     }
 414   }
 415   return aShapeType;
 416 }
 417
 418 void getParameters(QStringList& theParameters)
 419 {
 420   theParameters.clear();
 421
 422   SessionPtr aSession = ModelAPI_Session::get();
 423   std::list<DocumentPtr> aDocList;
 424   DocumentPtr anActiveDocument = aSession->activeDocument();
 425   DocumentPtr aRootDocument = aSession->moduleDocument();
 426   aDocList.push_back(anActiveDocument);
 427   if (anActiveDocument != aRootDocument) {
 428     aDocList.push_back(aRootDocument);
 429   }
 430   std::string aGroupId = ModelAPI_ResultParameter::group();
 431   for(std::list<DocumentPtr>::const_iterator it = aDocList.begin(); it != aDocList.end(); ++it) {
 432     DocumentPtr aDocument = *it;
 433     int aSize = aDocument->size(aGroupId);
 434     for (int i = 0; i < aSize; i++) {
 435       ObjectPtr anObject = aDocument->object(aGroupId, i);
 436       std::string aParameterName = anObject->data()->name();
 437       theParameters.append(aParameterName.c_str());
 438     }
 439   }
 440 }
 441
 442 std::string findGreedAttribute(ModuleBase_IWorkshop* theWorkshop, const FeaturePtr& theFeature)
 443 {
 444   std::string anAttributeId;
 445
 446   std::string aXmlCfg, aDescription;
 447   theWorkshop->module()->getXMLRepresentation(theFeature->getKind(), aXmlCfg, aDescription);
 448
 449   ModuleBase_WidgetFactory aFactory(aXmlCfg, theWorkshop);
 450   std::string anAttributeTitle;
 451   aFactory.getGreedAttribute(anAttributeId);
 452
 453   return anAttributeId;
 454 }
 455
 456 bool hasObject(const AttributePtr& theAttribute, const ObjectPtr& theObject,
 457                const std::shared_ptr<GeomAPI_Shape>& theShape,
 458                ModuleBase_IWorkshop* theWorkshop,
 459                const bool theTemporarily)
 460 {
 461   bool aHasObject = false;
 462   if (!theAttribute.get())
 463     return aHasObject;
 464
 465   std::string aType = theAttribute->attributeType();
 466   if (aType == ModelAPI_AttributeReference::typeId()) {
 467     AttributeReferencePtr aRef = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(theAttribute);
 468     ObjectPtr aObject = aRef->value();
 469     aHasObject = aObject && aObject->isSame(theObject);
 470     //if (!(aObject && aObject->isSame(theObject))) {
 471     //  aRef->setValue(theObject);
 472     //}
 473   } else if (aType == ModelAPI_AttributeRefAttr::typeId()) {
 474     AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
 475
 476     AttributePtr anAttribute = theWorkshop->module()->findAttribute(theObject, theShape);
 477     if (anAttribute.get()) {
 478       //aRefAttr->setAttr(anAttribute);
 479     }
 480     else {
 481       ObjectPtr aObject = aRefAttr->object();
 482       aHasObject = aObject && aObject->isSame(theObject);
 483       //if (!(aObject && aObject->isSame(theObject))) {
 484       //  aRefAttr->setObject(theObject);
 485       //}
 486     }
 487   } else if (aType == ModelAPI_AttributeSelection::typeId()) {
 488     /*AttributeSelectionPtr aSelectAttr =
 489                              std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(theAttribute);
 490     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 491     if (aSelectAttr.get() != NULL) {
 492       aSelectAttr->setValue(aResult, theShape, theTemporarily);
 493     }*/
 494   }
 495   if (aType == ModelAPI_AttributeSelectionList::typeId()) {
 496     AttributeSelectionListPtr aSelectionListAttr =
 497                          std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(theAttribute);
 498     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 499     aHasObject = aSelectionListAttr->isInList(aResult, theShape, theTemporarily);
 500     //if (!theCheckIfAttributeHasObject || !aSelectionListAttr->isInList(aResult, theShape, theTemporarily))
 501     //  aSelectionListAttr->append(aResult, theShape, theTemporarily);
 502   }
 503   else if (aType == ModelAPI_AttributeRefList::typeId()) {
 504     AttributeRefListPtr aRefListAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(theAttribute);
 505     aHasObject = aRefListAttr->isInList(theObject);
 506     //if (!theCheckIfAttributeHasObject || !aRefListAttr->isInList(theObject))
 507     //  aRefListAttr->append(theObject);
 508   }
 509   else if (aType == ModelAPI_AttributeRefAttrList::typeId()) {
 510     AttributeRefAttrListPtr aRefAttrListAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttrList>(theAttribute);
 511     AttributePtr anAttribute = theWorkshop->module()->findAttribute(theObject, theShape);
 512
 513     if (anAttribute.get()) {
 514       aHasObject = aRefAttrListAttr->isInList(anAttribute);
 515       //if (!theCheckIfAttributeHasObject || !aRefAttrListAttr->isInList(anAttribute))
 516       //  aRefAttrListAttr->append(anAttribute);
 517     }
 518     else {
 519       aHasObject = aRefAttrListAttr->isInList(theObject);
 520       //if (!theCheckIfAttributeHasObject || !aRefAttrListAttr->isInList(theObject))
 521       //  aRefAttrListAttr->append(theObject);
 522     }
 523   }
 524   return aHasObject;
 525 }
 526
 527 void setObject(const AttributePtr& theAttribute, const ObjectPtr& theObject,
 528                const GeomShapePtr& theShape, ModuleBase_IWorkshop* theWorkshop,
 529                const bool theTemporarily, const bool theCheckIfAttributeHasObject)
 530 {
 531   if (!theAttribute.get())
 532     return;
 533
 534   std::string aType = theAttribute->attributeType();
 535   if (aType == ModelAPI_AttributeReference::typeId()) {
 536     AttributeReferencePtr aRef = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(theAttribute);
 537     ObjectPtr aObject = aRef->value();
 538     if (!(aObject && aObject->isSame(theObject))) {
 539       aRef->setValue(theObject);
 540     }
 541   } else if (aType == ModelAPI_AttributeRefAttr::typeId()) {
 542     AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
 543
 544     AttributePtr anAttribute = theWorkshop->module()->findAttribute(theObject, theShape);
 545     if (anAttribute.get())
 546       aRefAttr->setAttr(anAttribute);
 547     else {
 548       ObjectPtr aObject = aRefAttr->object();
 549       if (!(aObject && aObject->isSame(theObject))) {
 550         aRefAttr->setObject(theObject);
 551       }
 552     }
 553   } else if (aType == ModelAPI_AttributeSelection::typeId()) {
 554     AttributeSelectionPtr aSelectAttr =
 555                              std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(theAttribute);
 556     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 557     if (aSelectAttr.get() != NULL) {
 558       aSelectAttr->setValue(aResult, theShape, theTemporarily);
 559     }
 560   }
 561   if (aType == ModelAPI_AttributeSelectionList::typeId()) {
 562     AttributeSelectionListPtr aSelectionListAttr =
 563                          std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(theAttribute);
 564     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 565     if (!theCheckIfAttributeHasObject || !aSelectionListAttr->isInList(aResult, theShape, theTemporarily))
 566       aSelectionListAttr->append(aResult, theShape, theTemporarily);
 567   }
 568   else if (aType == ModelAPI_AttributeRefList::typeId()) {
 569     AttributeRefListPtr aRefListAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(theAttribute);
 570     if (!theCheckIfAttributeHasObject || !aRefListAttr->isInList(theObject))
 571       aRefListAttr->append(theObject);
 572   }
 573   else if (aType == ModelAPI_AttributeRefAttrList::typeId()) {
 574     AttributeRefAttrListPtr aRefAttrListAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttrList>(theAttribute);
 575     AttributePtr anAttribute = theWorkshop->module()->findAttribute(theObject, theShape);
 576
 577     if (anAttribute.get()) {
 578       if (!theCheckIfAttributeHasObject || !aRefAttrListAttr->isInList(anAttribute))
 579         aRefAttrListAttr->append(anAttribute);
 580     }
 581     else {
 582       if (!theCheckIfAttributeHasObject || !aRefAttrListAttr->isInList(theObject))
 583         aRefAttrListAttr->append(theObject);
 584     }
 585   }
 586 }
 587
 588 GeomShapePtr getShape(const AttributePtr& theAttribute, ModuleBase_IWorkshop* theWorkshop)
 589 {
 590   GeomShapePtr aShape;
 591   if (!theAttribute.get())
 592     return aShape;
 593
 594   std::string aType = theAttribute->attributeType();
 595   if (aType == ModelAPI_AttributeReference::typeId()) {
 596   } else if (aType == ModelAPI_AttributeRefAttr::typeId()) {
 597     AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
 598     if (aRefAttr.get() && !aRefAttr->isObject()) {
 599       AttributePtr anAttribute = aRefAttr->attr();
 600       aShape = theWorkshop->module()->findShape(anAttribute);
 601     }
 602   } else if (aType == ModelAPI_AttributeSelection::typeId()) {
 603     AttributeSelectionPtr aSelectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeSelection>
 604                                                                                  (theAttribute);
 605     aShape = aSelectAttr->value();
 606   }
 607   return aShape;
 608 }
 609
 610 void flushUpdated(ObjectPtr theObject)
 611 {
 612   blockUpdateViewer(true);
 613
 614   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
 615
 616   blockUpdateViewer(false);
 617 }
 618
 619 void blockUpdateViewer(const bool theValue)
 620 {
 621   // the viewer update should be blocked in order to avoid the temporary feature content
 622   // when the solver processes the feature, the redisplay message can be flushed
 623   // what caused the display in the viewer preliminary states of object
 624   // e.g. fillet feature, angle value change
 625   std::shared_ptr<Events_Message> aMsg;
 626   if (theValue) {
 627     aMsg = std::shared_ptr<Events_Message>(
 628         new Events_Message(Events_Loop::eventByName(EVENT_UPDATE_VIEWER_BLOCKED)));
 629   }
 630   else {
 631     // the viewer update should be unblocked
 632     aMsg = std::shared_ptr<Events_Message>(
 633         new Events_Message(Events_Loop::eventByName(EVENT_UPDATE_VIEWER_UNBLOCKED)));
 634   }
 635   Events_Loop::loop()->send(aMsg);
 636 }
 637
 638 QString wrapTextByWords(const QString& theValue, QWidget* theWidget,
 639                                           int theMaxLineInPixels)
 640 {
 641   static QFontMetrics tfm(theWidget ? theWidget->font() : QApplication::font());
 642   static qreal phi = 2.618;
 643
 644   QRect aBounds = tfm.boundingRect(theValue);
 645   if(aBounds.width() <= theMaxLineInPixels)
 646     return theValue;
 647
 648   qreal s = aBounds.width() * aBounds.height();
 649   qreal aGoldWidth = sqrt(s*phi);
 650
 651   QStringList aWords = theValue.split(" ", QString::SkipEmptyParts);
 652   QStringList aLines;
 653   int n = aWords.count();
 654   QString aLine;
 655   for (int i = 0; i < n; i++) {
 656     QString aLineExt = aLine + " " + aWords[i];
 657     qreal anWidthNonExt = tfm.boundingRect(aLine).width();
 658     qreal anWidthExt = tfm.boundingRect(aLineExt).width();
 659     qreal aDeltaNonExt = fabs(anWidthNonExt-aGoldWidth);
 660     qreal aDeltaExt    = fabs(anWidthExt-aGoldWidth);
 661     if(aDeltaNonExt < aDeltaExt) {
 662       // new line
 663       aLines.append(aLine);
 664       aLine = aWords[i];
 665     }
 666     else
 667       aLine = aLineExt;
 668   }
 669
 670   if(!aLine.isEmpty())
 671     aLines.append(aLine);
 672
 673   QString aResult = aLines.join("\n");
 674   return aResult;
 675 }
 676
 677 //**************************************************************
 678 void refsToFeatureInFeatureDocument(const ObjectPtr& theObject, std::set<FeaturePtr>& theRefFeatures)
 679 {
 680   FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
 681   if (aFeature.get()) {
 682     DocumentPtr aFeatureDoc = aFeature->document();
 683     // 1. find references in the current document
 684     aFeatureDoc->refsToFeature(aFeature, theRefFeatures, false);
 685   }
 686 }
 687
 688
 689 //**************************************************************
 690 bool isSubOfComposite(const ObjectPtr& theObject)
 691 {
 692   bool isSub = false;
 693   std::set<FeaturePtr> aRefFeatures;
 694   refsToFeatureInFeatureDocument(theObject, aRefFeatures);
 695   std::set<FeaturePtr>::const_iterator anIt = aRefFeatures.begin(),
 696                                        aLast = aRefFeatures.end();
 697   for (; anIt != aLast && !isSub; anIt++) {
 698     isSub = isSubOfComposite(theObject, *anIt);
 699   }
 700   return isSub;
 701 }
 702
 703 //**************************************************************
 704 bool isSubOfComposite(const ObjectPtr& theObject, const FeaturePtr& theFeature)
 705 {
 706   bool isSub = false;
 707   CompositeFeaturePtr aComposite = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
 708   if (aComposite.get()) {
 709     isSub = aComposite->isSub(theObject);
 710     // the recursive is possible, the parameters are sketch circle and extrusion cut. They are
 711     // separated by composite sketch feature
 712     if (!isSub) {
 713       int aNbSubs = aComposite->numberOfSubs();
 714       for (int aSub = 0; aSub < aNbSubs && !isSub; aSub++) {
 715         isSub = isSubOfComposite(theObject, aComposite->subFeature(aSub));
 716       }
 717     }
 718   }
 719   return isSub;
 720 }
 721
 722 //**************************************************************
 723 bool isFeatureOfResult(const FeaturePtr& theFeature, const std::string& theGroupOfResult)
 724 {
 725   bool isResult = false;
 726
 727   if (!theFeature->data()->isValid())
 728     return isResult;
 729
 730   ResultPtr aFirstResult = theFeature->firstResult();
 731   if (!aFirstResult.get())
 732     return isResult;
 733
 734   return aFirstResult->groupName() == theGroupOfResult;
 735 }
 736
 737 //**************************************************************
 738 bool askToDelete(const std::set<FeaturePtr> theFeatures,
 739                  const std::map<FeaturePtr, std::set<FeaturePtr> >& theReferences,
 740                  QWidget* theParent,
 741                  std::set<FeaturePtr>& theReferencesToDelete)
 742 {
 743   std::set<FeaturePtr> aFeaturesRefsTo;
 744   std::set<FeaturePtr> aFeaturesRefsToParameter;
 745   std::set<FeaturePtr> aParameterFeatures;
 746   std::set<FeaturePtr>::const_iterator anIt = theFeatures.begin(),
 747                                        aLast = theFeatures.end();
 748   // separate features to references to parameter features and references to others
 749   for (; anIt != aLast; anIt++) {
 750     FeaturePtr aFeature = *anIt;
 751     if (theReferences.find(aFeature) == theReferences.end())
 752       continue;
 753
 754     std::set<FeaturePtr> aRefFeatures;
 755     std::set<FeaturePtr> aRefList = theReferences.at(aFeature);
 756     std::set<FeaturePtr>::const_iterator aRefIt = aRefList.begin(), aRefLast = aRefList.end();
 757     for (; aRefIt != aRefLast; aRefIt++) {
 758       FeaturePtr aRefFeature = *aRefIt;
 759       if (theFeatures.find(aRefFeature) == theFeatures.end() && // it is not selected
 760           aRefFeatures.find(aRefFeature) == aRefFeatures.end()) // it is not added
 761         aRefFeatures.insert(aRefFeature);
 762     }
 763
 764     if (isFeatureOfResult(aFeature, ModelAPI_ResultParameter::group())) {
 765       aFeaturesRefsToParameter.insert(aRefFeatures.begin(), aRefFeatures.end());
 766       aParameterFeatures.insert(aFeature);
 767     }
 768     else {
 769       theReferencesToDelete.insert(aRefFeatures.begin(), aRefFeatures.end());
 770     }
 771   }
 772
 773   std::set<FeaturePtr> aFeaturesRefsToParameterOnly;
 774   anIt = aFeaturesRefsToParameter.begin();
 775   aLast = aFeaturesRefsToParameter.end();
 776   // separate features to references to parameter features and references to others
 777   QStringList aParamFeatureNames;
 778   for (; anIt != aLast; anIt++) {
 779     FeaturePtr aFeature = *anIt;
 780     if (theReferencesToDelete.find(aFeature) == theReferencesToDelete.end()) {
 781       aFeaturesRefsToParameterOnly.insert(aFeature);
 782       aParamFeatureNames.append(aFeature->name().c_str());
 783     }
 784   }
 785   aParamFeatureNames.sort();
 786   QStringList aPartFeatureNames, anOtherFeatureNames;
 787   anIt = theReferencesToDelete.begin();
 788   aLast = theReferencesToDelete.end();
 789   for (; anIt != aLast; anIt++) {
 790     FeaturePtr aFeature = *anIt;
 791     if (isFeatureOfResult(aFeature, ModelAPI_ResultPart::group()))
 792       aPartFeatureNames.append(aFeature->name().c_str());
 793     else
 794       anOtherFeatureNames.append(aFeature->name().c_str());
 795   }
 796   aPartFeatureNames.sort();
 797   anOtherFeatureNames.sort();
 798
 799   bool aCanReplaceParameters = !aFeaturesRefsToParameterOnly.empty();
 800
 801   QMessageBox aMessageBox(theParent);
 802   aMessageBox.setWindowTitle(QObject::tr("Delete features"));
 803   aMessageBox.setIcon(QMessageBox::Warning);
 804   aMessageBox.setStandardButtons(QMessageBox::No | QMessageBox::Yes);
 805   aMessageBox.setDefaultButton(QMessageBox::No);
 806
 807   QString aText;
 808   QString aSep = ", ";
 809   if (!aPartFeatureNames.empty())
 810     aText += QString(QObject::tr("The following parts will be deleted: %1.\n")).arg(aPartFeatureNames.join(aSep));
 811   if (!anOtherFeatureNames.empty())
 812     aText += QString(QObject::tr("Selected features are used in the following features: %1.\nThese features will be deleted.\n"))
 813                      .arg(anOtherFeatureNames.join(aSep));
 814   if (!aParamFeatureNames.empty()) {
 815     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"))
 816                      .arg(aParamFeatureNames.join(aSep));
 817     QPushButton *aReplaceButton = aMessageBox.addButton(QObject::tr("Replace"), QMessageBox::ActionRole);
 818   }
 819
 820   if (!aText.isEmpty()) {
 821     aText += "Would you like to continue?";
 822     aMessageBox.setText(aText);
 823     aMessageBox.exec();
 824     QMessageBox::ButtonRole aButtonRole = aMessageBox.buttonRole(aMessageBox.clickedButton());
 825
 826     if (aButtonRole == QMessageBox::NoRole)
 827       return false;
 828
 829     if (aButtonRole == QMessageBox::ActionRole) {
 830       foreach (FeaturePtr aObj, aParameterFeatures)
 831         ModelAPI_ReplaceParameterMessage::send(aObj, 0);
 832     }
 833     else
 834       theReferencesToDelete.insert(aFeaturesRefsToParameterOnly.begin(), aFeaturesRefsToParameterOnly.end());
 835   }
 836   return true;
 837 }
 838
 839 //**************************************************************
 840 void convertToFeatures(const QObjectPtrList& theObjects, std::set<FeaturePtr>& theFeatures)
 841 {
 842   QObjectPtrList::const_iterator anIt = theObjects.begin(), aLast = theObjects.end();
 843   for(; anIt != aLast; anIt++) {
 844     ObjectPtr anObject = *anIt;
 845     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anObject);
 846     // for parameter result, use the corresponded reature to be removed
 847     if (!aFeature.get() && anObject->groupName() == ModelAPI_ResultParameter::group()) {
 848       aFeature = ModelAPI_Feature::feature(anObject);
 849     }
 850     theFeatures.insert(aFeature);
 851   }
 852 }
 853
 854 } // namespace ModuleBase_Tools
 855
 856