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