src/ModuleBase/ModuleBase_Tools.cpp

   1 // Copyright (C) 2014-2019  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19
  20 #include "ModuleBase_Tools.h"
  21
  22 #include <ModuleBase_ParamIntSpinBox.h>
  23 #include <ModuleBase_ParamSpinBox.h>
  24 #include <ModuleBase_WidgetFactory.h>
  25 #include <ModuleBase_IWorkshop.h>
  26 #include <ModuleBase_IModule.h>
  27 #include <ModuleBase_IViewer.h>
  28 #include <ModuleBase_IconFactory.h>
  29 #include <ModuleBase_ResultPrs.h>
  30 #include <ModuleBase_ViewerPrs.h>
  31
  32 #include <ModelAPI_Attribute.h>
  33 #include <ModelAPI_AttributeRefAttr.h>
  34 #include <ModelAPI_AttributeReference.h>
  35 #include <ModelAPI_AttributeSelection.h>
  36 #include <ModelAPI_AttributeSelectionList.h>
  37 #include <ModelAPI_AttributeRefList.h>
  38 #include <ModelAPI_AttributeRefAttrList.h>
  39 #include <ModelAPI_ResultPart.h>
  40 #include <ModelAPI_ResultConstruction.h>
  41 #include <ModelAPI_AttributeString.h>
  42 #include <ModelAPI_Expression.h>
  43 #include <Events_Loop.h>
  44
  45 #include <ModelAPI_Data.h>
  46 #include <ModelAPI_Result.h>
  47 #include <ModelAPI_ResultParameter.h>
  48 #include <ModelAPI_Tools.h>
  49 #include <ModelAPI_Session.h>
  50 #include <ModelAPI_Events.h>
  51 #include <ModelAPI_Folder.h>
  52
  53 #include <ModelGeomAlgo_Point2D.h>
  54
  55 #include <StdSelect_BRepOwner.hxx>
  56 #include <TopoDS_Iterator.hxx>
  57 #include <AIS_InteractiveContext.hxx>
  58 #include <Prs3d_LineAspect.hxx>
  59 #include <Prs3d_PlaneAspect.hxx>
  60
  61 #include <GeomDataAPI_Point2D.h>
  62 #include <Events_InfoMessage.h>
  63 #include <GeomAPI_ShapeExplorer.h>
  64
  65 #include <Config_PropManager.h>
  66 #include <Config_Translator.h>
  67
  68 #include <Prs3d_PointAspect.hxx>
  69 #include <Graphic3d_AspectMarker3d.hxx>
  70
  71 #include <Image_AlienPixMap.hxx>
  72
  73 #include <QWidget>
  74 #include <QLayout>
  75 #include <QPainter>
  76 #include <QBitmap>
  77 #include <QDoubleSpinBox>
  78 #include <QGraphicsDropShadowEffect>
  79 #include <QColor>
  80 #include <QApplication>
  81 #include <QMessageBox>
  82 #include <QAction>
  83 #include <QTextCodec>
  84
  85 #include <sstream>
  86 #include <string>
  87
  88 #ifdef WIN32
  89 #pragma warning(disable : 4996) // for getenv
  90 #endif
  91
  92 const double tolerance = 1e-7;
  93 const double DEFAULT_DEVIATION_COEFFICIENT = 1.e-4;
  94
  95 //#define DEBUG_ACTIVATE_WINDOW
  96 //#define DEBUG_SET_FOCUS
  97
  98 #ifdef WIN32
  99 # define FSEP "\\"
 100 #else
 101 # define FSEP "/"
 102 #endif
 103
 104 namespace ModuleBase_Tools {
 105
 106 //******************************************************************
 107
 108 //******************************************************************
 109
 110 void adjustMargins(QWidget* theWidget)
 111 {
 112   if(!theWidget)
 113     return;
 114   adjustMargins(theWidget->layout());
 115 }
 116
 117 void adjustMargins(QLayout* theLayout)
 118 {
 119   if(!theLayout)
 120     return;
 121   theLayout->setContentsMargins(2, 5, 2, 5);
 122   theLayout->setSpacing(4);
 123 }
 124
 125 void zeroMargins(QWidget* theWidget)
 126 {
 127   if(!theWidget)
 128     return;
 129   zeroMargins(theWidget->layout());
 130 }
 131
 132 void zeroMargins(QLayout* theLayout)
 133 {
 134   if(!theLayout)
 135     return;
 136   theLayout->setContentsMargins(0, 0, 0, 0);
 137   theLayout->setSpacing(5);
 138 }
 139
 140 void activateWindow(QWidget* theWidget, const QString& theInfo)
 141 {
 142   if (theWidget) {
 143     theWidget->activateWindow();
 144     theWidget->raise();
 145   }
 146
 147 #ifdef DEBUG_ACTIVATE_WINDOW
 148   qDebug(QString("activateWindow: %1").arg(theInfo).toStdString().c_str());
 149 #endif
 150 }
 151
 152 void setFocus(QWidget* theWidget, const QString& theInfo)
 153 {
 154   activateWindow(theWidget);
 155   theWidget->setFocus();
 156   // rectangle of focus is not visible on tool button widgets
 157   theWidget->repaint();
 158 #ifdef DEBUG_SET_FOCUS
 159   qDebug(QString("setFocus: %1").arg(theInfo).toStdString().c_str());
 160 #endif
 161 }
 162
 163 void setShadowEffect(QWidget* theWidget, const bool isSetEffect)
 164 {
 165   if (isSetEffect) {
 166     QGraphicsDropShadowEffect* aGlowEffect = new QGraphicsDropShadowEffect();
 167     aGlowEffect->setOffset(.0);
 168     aGlowEffect->setBlurRadius(10.0);
 169     aGlowEffect->setColor(QColor(0, 170, 255)); // Light-blue color, #00AAFF
 170     theWidget->setGraphicsEffect(aGlowEffect);
 171   }
 172   else {
 173     QGraphicsEffect* anEffect = theWidget->graphicsEffect();
 174     if(anEffect)
 175       anEffect->deleteLater();
 176     theWidget->setGraphicsEffect(NULL);
 177   }
 178 }
 179
 180 QPixmap composite(const QString& theAdditionalIcon, const QString& theIcon)
 181 {
 182   QImage anIcon = ModuleBase_IconFactory::loadImage(theIcon);
 183   QImage anAditional(theAdditionalIcon);
 184   return composite(anAditional, anIcon);
 185 }
 186
 187 QPixmap composite(const QImage& theAdditionalIcon, QImage& theIcon)
 188 {
 189   if (theIcon.isNull())
 190     return QPixmap();
 191
 192   int anAddWidth = theAdditionalIcon.width();
 193   int anAddHeight = theAdditionalIcon.height();
 194
 195   int aWidth = theIcon.width();
 196   int aHeight = theIcon.height();
 197
 198   int aStartWidthPos = aWidth - anAddWidth;
 199   int aStartHeightPos = aHeight - anAddHeight;
 200
 201   for (int i = 0; i < anAddWidth && i + aStartWidthPos < aWidth; i++)
 202   {
 203     for (int j = 0; j < anAddHeight && j + aStartHeightPos < aHeight; j++)
 204     {
 205       if (qAlpha(theAdditionalIcon.pixel(i, j)) > 0)
 206         theIcon.setPixel(i + aStartWidthPos, j + aStartHeightPos, theAdditionalIcon.pixel(i, j));
 207     }
 208   }
 209   return QPixmap::fromImage(theIcon);
 210 }
 211
 212 QPixmap lighter(const QString& theIcon, const int theLighterValue)
 213 {
 214   QImage anIcon = ModuleBase_IconFactory::loadImage(theIcon);
 215   if (anIcon.isNull())
 216     return QPixmap();
 217
 218   QImage aResult = ModuleBase_IconFactory::loadImage(theIcon);
 219   for (int i = 0; i < anIcon.width(); i++)
 220   {
 221     for (int j = 0; j < anIcon.height(); j++)
 222     {
 223       QRgb anRgb = anIcon.pixel(i, j);
 224       QColor aPixelColor(qRed(anRgb), qGreen(anRgb), qBlue(anRgb),
 225                          qAlpha(aResult.pixel(i, j)));
 226
 227       QColor aLighterColor = aPixelColor.lighter(theLighterValue);
 228       aResult.setPixel(i, j, qRgba(aLighterColor.red(), aLighterColor.green(),
 229                                     aLighterColor.blue(), aLighterColor.alpha()));
 230     }
 231   }
 232   return QPixmap::fromImage(aResult);
 233 }
 234
 235 void setSpinText(ModuleBase_ParamSpinBox* theSpin, const QString& theText)
 236 {
 237   if (theSpin->text() == theText)
 238     return;
 239   // In order to avoid extra text setting because it will
 240   // reset cursor position in control
 241   bool isBlocked = theSpin->blockSignals(true);
 242   theSpin->setText(theText);
 243   theSpin->blockSignals(isBlocked);
 244 }
 245
 246 void setSpinValue(QDoubleSpinBox* theSpin, double theValue)
 247 {
 248   if (fabs(theSpin->value() - theValue) < tolerance)
 249     return;
 250   bool isBlocked = theSpin->blockSignals(true);
 251   theSpin->setValue(theValue);
 252   theSpin->blockSignals(isBlocked);
 253 }
 254
 255 void setSpinValue(ModuleBase_ParamSpinBox* theSpin, double theValue)
 256 {
 257   if (fabs(theSpin->value() - theValue) < tolerance)
 258     return;
 259   bool isBlocked = theSpin->blockSignals(true);
 260   theSpin->setValue(theValue);
 261   theSpin->blockSignals(isBlocked);
 262 }
 263
 264 void setSpinText(ModuleBase_ParamIntSpinBox* theSpin, const QString& theText)
 265 {
 266   // In order to avoid extra text setting because it will
 267   // reset cursor position in control
 268   if (theSpin->text() == theText)
 269     return;
 270   bool isBlocked = theSpin->blockSignals(true);
 271   theSpin->setText(theText);
 272   theSpin->blockSignals(isBlocked);
 273 }
 274
 275 void setSpinValue(ModuleBase_ParamIntSpinBox* theSpin, int theValue)
 276 {
 277   if (theSpin->value() == theValue)
 278     return;
 279   bool isBlocked = theSpin->blockSignals(true);
 280   theSpin->setValue(theValue);
 281   theSpin->blockSignals(isBlocked);
 282 }
 283
 284 QAction* createAction(const QIcon& theIcon, const QString& theText,
 285                       QObject* theParent, const QObject* theReceiver,
 286                       const char* theMember, const QString& theToolTip,
 287                       const QString& theStatusTip)
 288 {
 289   QAction* anAction = new QAction(theIcon, theText, theParent);
 290   anAction->setToolTip(theToolTip.isEmpty() ? theText : theToolTip);
 291   anAction->setStatusTip(!theStatusTip.isEmpty() ? theStatusTip :
 292                                                    (!theToolTip.isEmpty() ? theToolTip : theText));
 293   if (theReceiver)
 294     QObject::connect(anAction, SIGNAL(triggered(bool)), theReceiver, theMember);
 295
 296   return anAction;
 297 }
 298
 299 #ifdef _DEBUG
 300 QString objectName(const ObjectPtr& theObj)
 301 {
 302   if (!theObj.get())
 303     return "";
 304
 305   return theObj->data()->name().c_str();
 306 }
 307
 308 QString objectInfo(const ObjectPtr& theObj, const bool isUseAttributesInfo)
 309 {
 310   QString aFeatureStr = "feature";
 311   if (!theObj.get())
 312     return aFeatureStr;
 313
 314   std::ostringstream aPtrStr;
 315   aPtrStr << "[" << theObj.get() << "]";
 316
 317   ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(theObj);
 318   FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theObj);
 319   if(aRes.get()) {
 320     aFeatureStr.append(QString("(result%1)").arg(aPtrStr.str().c_str()).toStdString() .c_str());
 321     if (aRes->isDisabled())
 322       aFeatureStr.append("[disabled]");
 323     if (aRes->isConcealed())
 324       aFeatureStr.append("[concealed]");
 325     if (ModelAPI_Tools::hasSubResults(aRes))
 326       aFeatureStr.append("[hasSubResults]");
 327
 328     aFeature = ModelAPI_Feature::feature(aRes);
 329   }
 330   else
 331     aFeatureStr.append(aPtrStr.str().c_str());
 332
 333   if (aFeature.get()) {
 334     aFeatureStr.append(QString(": %1").arg(aFeature->getKind().c_str()).toStdString().c_str());
 335     if (aFeature->data()->isValid()) {
 336       aFeatureStr.append(QString(", name=%1").arg(theObj->data()->name().c_str()).toStdString()
 337                                                                                        .c_str());
 338     }
 339     if (isUseAttributesInfo) {
 340       std::set<std::shared_ptr<ModelAPI_Attribute> > anAttributes;
 341       std::string aPointsInfo = ModelGeomAlgo_Point2D::getPontAttributesInfo(aFeature,
 342                                                                           anAttributes).c_str();
 343       if (!aPointsInfo.empty())
 344         aFeatureStr.append(QString(", attributes: %1")
 345           .arg(aPointsInfo.c_str()).toStdString().c_str());
 346     }
 347   }
 348
 349   return aFeatureStr;
 350 }
 351 #endif
 352
 353 typedef QMap<QString, int> ShapeTypes;
 354 static ShapeTypes myShapeTypes;
 355
 356 int shapeType(const QString& theType)
 357 {
 358   if (myShapeTypes.count() == 0) {
 359     myShapeTypes["compound"]   = TopAbs_COMPOUND;
 360     myShapeTypes["compounds"]  = TopAbs_COMPOUND;
 361     myShapeTypes["compsolid"]  = TopAbs_COMPSOLID;
 362     myShapeTypes["compsolids"] = TopAbs_COMPSOLID;
 363     myShapeTypes["solid"]      = TopAbs_SOLID;
 364     myShapeTypes["solids"]     = TopAbs_SOLID;
 365     myShapeTypes["shell"]      = TopAbs_SHELL;
 366     myShapeTypes["shells"]     = TopAbs_SHELL;
 367     myShapeTypes["face"]       = TopAbs_FACE;
 368     myShapeTypes["faces"]      = TopAbs_FACE;
 369     myShapeTypes["wire"]       = TopAbs_WIRE;
 370     myShapeTypes["wires"]      = TopAbs_WIRE;
 371     myShapeTypes["edge"]       = TopAbs_EDGE;
 372     myShapeTypes["edges"]      = TopAbs_EDGE;
 373     myShapeTypes["vertex"]     = TopAbs_VERTEX;
 374     myShapeTypes["vertices"]   = TopAbs_VERTEX;
 375     myShapeTypes["object"]     = ModuleBase_ResultPrs::Sel_Result;
 376     myShapeTypes["objects"]    = ModuleBase_ResultPrs::Sel_Result;
 377   }
 378   QString aType = theType.toLower();
 379   if(myShapeTypes.contains(aType))
 380     return myShapeTypes[aType];
 381   Events_InfoMessage("ModuleBase_Tools", "Shape type defined in XML is not implemented!").send();
 382   return TopAbs_SHAPE;
 383 }
 384
 385 void checkObjects(const QObjectPtrList& theObjects, bool& hasResult, bool& hasFeature,
 386                   bool& hasParameter, bool& hasCompositeOwner, bool& hasResultInHistory,
 387                   bool& hasFolder)
 388 {
 389   hasResult = false;
 390   hasFeature = false;
 391   hasParameter = false;
 392   hasCompositeOwner = false;
 393   hasResultInHistory = false;
 394   hasFolder = false;
 395   foreach(ObjectPtr aObj, theObjects) {
 396     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
 397     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(aObj);
 398     FolderPtr aFolder = std::dynamic_pointer_cast<ModelAPI_Folder>(aObj);
 399     ResultParameterPtr aConstruction = std::dynamic_pointer_cast<ModelAPI_ResultParameter>(aResult);
 400
 401     hasResult |= (aResult.get() != NULL);
 402     hasFeature |= (aFeature.get() != NULL);
 403     hasFolder |= (aFolder.get() != NULL);
 404     hasParameter |= (aConstruction.get() != NULL);
 405     if (hasFeature)
 406       hasCompositeOwner |= (ModelAPI_Tools::compositeOwner(aFeature) != NULL);
 407
 408     if (!hasResultInHistory && aResult.get()) {
 409       FeaturePtr aFeature = ModelAPI_Feature::feature(aResult);
 410       hasResultInHistory = aFeature.get() && aFeature->isInHistory();
 411     }
 412
 413     if (hasFeature && hasResult  && hasParameter && hasCompositeOwner && hasFeature)
 414       break;
 415   }
 416 }
 417
 418 /*bool setDefaultDeviationCoefficient(std::shared_ptr<GeomAPI_Shape> theGeomShape)
 419 {
 420   if (!theGeomShape.get())
 421     return false;
 422   // if the shape could not be exploded on faces, it contains only wires, edges, and vertices
 423   // correction of deviation for them should not influence to the application performance
 424   GeomAPI_ShapeExplorer anExp(theGeomShape, GeomAPI_Shape::FACE);
 425   bool anEmpty = anExp.empty();
 426   return !anExp.more();
 427 }*/
 428
 429 /*void setDefaultDeviationCoefficient(const std::shared_ptr<ModelAPI_Result>& theResult,
 430                                     const Handle(Prs3d_Drawer)& theDrawer)
 431 {
 432   if (!theResult.get())
 433     return;
 434   bool aUseDeviation = false;
 435
 436   std::string aResultGroup = theResult->groupName();
 437   if (aResultGroup == ModelAPI_ResultConstruction::group())
 438     aUseDeviation = true;
 439   else if (aResultGroup == ModelAPI_ResultBody::group()) {
 440     GeomShapePtr aGeomShape = theResult->shape();
 441     if (aGeomShape.get())
 442       aUseDeviation = setDefaultDeviationCoefficient(aGeomShape);
 443   }
 444   if (aUseDeviation)
 445     theDrawer->SetDeviationCoefficient(DEFAULT_DEVIATION_COEFFICIENT);
 446 }
 447 */
 448 void setDefaultDeviationCoefficient(const TopoDS_Shape& theShape,
 449                                     const Handle(Prs3d_Drawer)& theDrawer)
 450 {
 451   if (theShape.IsNull())
 452     return;
 453
 454   std::shared_ptr<GeomAPI_Shape> aGeomShape(new GeomAPI_Shape());
 455   aGeomShape->setImpl(new TopoDS_Shape(theShape));
 456
 457   // if the shape could not be exploded on faces, it contains only wires, edges, and vertices
 458   // correction of deviation for them should not influence to the application performance
 459   GeomAPI_ShapeExplorer anExp(aGeomShape, GeomAPI_Shape::FACE);
 460   bool isConstruction = !anExp.more();
 461
 462   double aDeflection;
 463   if (isConstruction)
 464     aDeflection = Config_PropManager::real("Visualization", "construction_deflection");
 465   else
 466     aDeflection = Config_PropManager::real("Visualization", "body_deflection");
 467
 468   theDrawer->SetDeviationCoefficient(aDeflection);
 469 }
 470
 471 Quantity_Color color(const std::string& theSection,
 472                      const std::string& theName)
 473 {
 474   std::vector<int> aColor = Config_PropManager::color(theSection, theName);
 475   return Quantity_Color(aColor[0] / 255., aColor[1] / 255., aColor[2] / 255., Quantity_TOC_RGB);
 476 }
 477
 478 ObjectPtr getObject(const AttributePtr& theAttribute)
 479 {
 480   ObjectPtr anObject;
 481   std::string anAttrType = theAttribute->attributeType();
 482   if (anAttrType == ModelAPI_AttributeRefAttr::typeId()) {
 483     AttributeRefAttrPtr anAttr =
 484       std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
 485     if (anAttr != NULL && anAttr->isObject())
 486       anObject = anAttr->object();
 487   }
 488   if (anAttrType == ModelAPI_AttributeSelection::typeId()) {
 489     AttributeSelectionPtr anAttr =
 490       std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(theAttribute);
 491     if (anAttr != NULL)
 492       anObject = anAttr->context();
 493   }
 494   if (anAttrType == ModelAPI_AttributeReference::typeId()) {
 495     AttributeReferencePtr anAttr =
 496       std::dynamic_pointer_cast<ModelAPI_AttributeReference>(theAttribute);
 497     if (anAttr.get() != NULL)
 498       anObject = anAttr->value();
 499   }
 500   return anObject;
 501 }
 502
 503 TopAbs_ShapeEnum getCompoundSubType(const TopoDS_Shape& theShape)
 504 {
 505   TopAbs_ShapeEnum aShapeType = theShape.ShapeType();
 506
 507   // for compounds check sub-shapes: it may be compound of needed type:
 508   // Booleans may produce compounds of Solids
 509   if (aShapeType == TopAbs_COMPOUND) {
 510     for(TopoDS_Iterator aSubs(theShape); aSubs.More(); aSubs.Next()) {
 511       if (!aSubs.Value().IsNull()) {
 512         TopAbs_ShapeEnum aSubType = aSubs.Value().ShapeType();
 513         if (aSubType == TopAbs_COMPOUND) { // compound of compound(s)
 514           aShapeType = TopAbs_COMPOUND;
 515           break;
 516         }
 517         if (aShapeType == TopAbs_COMPOUND) {
 518           aShapeType = aSubType;
 519         } else if (aShapeType != aSubType) { // compound of shapes of different types
 520           aShapeType = TopAbs_COMPOUND;
 521           break;
 522         }
 523       }
 524     }
 525   }
 526   return aShapeType;
 527 }
 528
 529 TopoDS_Shape getSelectedShape(const std::shared_ptr<ModuleBase_ViewerPrs>& thePrs)
 530 {
 531   if (thePrs->shape().get())
 532     return thePrs->shape()->impl<TopoDS_Shape>();
 533
 534   Handle(StdSelect_BRepOwner) anOwner = Handle(StdSelect_BRepOwner)::DownCast(thePrs->owner());
 535   if (!anOwner.IsNull())
 536     return anOwner->Shape();
 537
 538   return TopoDS_Shape();
 539 }
 540
 541 void getParameters(QStringList& theParameters)
 542 {
 543   theParameters.clear();
 544
 545   SessionPtr aSession = ModelAPI_Session::get();
 546   std::list<DocumentPtr> aDocList;
 547   DocumentPtr anActiveDocument = aSession->activeDocument();
 548   DocumentPtr aRootDocument = aSession->moduleDocument();
 549   aDocList.push_back(anActiveDocument);
 550   if (anActiveDocument != aRootDocument) {
 551     aDocList.push_back(aRootDocument);
 552   }
 553   std::string aGroupId = ModelAPI_ResultParameter::group();
 554   for(std::list<DocumentPtr>::const_iterator it = aDocList.begin(); it != aDocList.end(); ++it) {
 555     DocumentPtr aDocument = *it;
 556     int aSize = aDocument->size(aGroupId);
 557     for (int i = 0; i < aSize; i++) {
 558       ObjectPtr anObject = aDocument->object(aGroupId, i);
 559       std::string aParameterName = anObject->data()->name();
 560       theParameters.append(aParameterName.c_str());
 561     }
 562   }
 563 }
 564
 565 std::string findGreedAttribute(ModuleBase_IWorkshop* theWorkshop,
 566                                const FeaturePtr& theFeature)
 567 {
 568   std::string anAttributeId;
 569
 570   std::string aXmlCfg, aDescription;
 571   theWorkshop->module()->getXMLRepresentation(theFeature->getKind(), aXmlCfg, aDescription);
 572
 573   ModuleBase_WidgetFactory aFactory(aXmlCfg, theWorkshop);
 574   std::string anAttributeTitle;
 575   aFactory.getGreedAttribute(anAttributeId);
 576
 577   return anAttributeId;
 578 }
 579
 580 bool hasObject(const AttributePtr& theAttribute, const ObjectPtr& theObject,
 581                const std::shared_ptr<GeomAPI_Shape>& theShape,
 582                ModuleBase_IWorkshop* theWorkshop,
 583                const bool theTemporarily)
 584 {
 585   bool aHasObject = false;
 586   if (!theAttribute.get())
 587     return aHasObject;
 588
 589   std::string aType = theAttribute->attributeType();
 590   if (aType == ModelAPI_AttributeReference::typeId()) {
 591     AttributeReferencePtr aRef =
 592       std::dynamic_pointer_cast<ModelAPI_AttributeReference>(theAttribute);
 593     ObjectPtr aObject = aRef->value();
 594     aHasObject = aObject && aObject->isSame(theObject);
 595     //if (!(aObject && aObject->isSame(theObject))) {
 596     //  aRef->setValue(theObject);
 597     //}
 598   } else if (aType == ModelAPI_AttributeRefAttr::typeId()) {
 599     AttributeRefAttrPtr aRefAttr =
 600       std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
 601
 602     AttributePtr anAttribute = theWorkshop->module()->findAttribute(theObject, theShape);
 603     if (anAttribute.get()) {
 604       //aRefAttr->setAttr(anAttribute);
 605     }
 606     else {
 607       ObjectPtr aObject = aRefAttr->object();
 608       aHasObject = aObject && aObject->isSame(theObject);
 609       //if (!(aObject && aObject->isSame(theObject))) {
 610       //  aRefAttr->setObject(theObject);
 611       //}
 612     }
 613   } else if (aType == ModelAPI_AttributeSelection::typeId()) {
 614     /*AttributeSelectionPtr aSelectAttr =
 615                              std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(theAttribute);
 616     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 617     if (aSelectAttr.get() != NULL) {
 618       aSelectAttr->setValue(aResult, theShape, theTemporarily);
 619     }*/
 620   }
 621   if (aType == ModelAPI_AttributeSelectionList::typeId()) {
 622     AttributeSelectionListPtr aSelectionListAttr =
 623                          std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(theAttribute);
 624     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 625     aHasObject = aSelectionListAttr->isInList(aResult, theShape, theTemporarily);
 626   }
 627   else if (aType == ModelAPI_AttributeRefList::typeId()) {
 628     AttributeRefListPtr aRefListAttr =
 629       std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(theAttribute);
 630     aHasObject = aRefListAttr->isInList(theObject);
 631     //if (!theCheckIfAttributeHasObject || !aRefListAttr->isInList(theObject))
 632     //  aRefListAttr->append(theObject);
 633   }
 634   else if (aType == ModelAPI_AttributeRefAttrList::typeId()) {
 635     AttributeRefAttrListPtr aRefAttrListAttr =
 636       std::dynamic_pointer_cast<ModelAPI_AttributeRefAttrList>(theAttribute);
 637     AttributePtr anAttribute = theWorkshop->module()->findAttribute(theObject, theShape);
 638
 639     if (anAttribute.get()) {
 640       aHasObject = aRefAttrListAttr->isInList(anAttribute);
 641       //if (!theCheckIfAttributeHasObject || !aRefAttrListAttr->isInList(anAttribute))
 642       //  aRefAttrListAttr->append(anAttribute);
 643     }
 644     else {
 645       aHasObject = aRefAttrListAttr->isInList(theObject);
 646       //if (!theCheckIfAttributeHasObject || !aRefAttrListAttr->isInList(theObject))
 647       //  aRefAttrListAttr->append(theObject);
 648     }
 649   }
 650   return aHasObject;
 651 }
 652
 653 bool setObject(const AttributePtr& theAttribute, const ObjectPtr& theObject,
 654                const GeomShapePtr& theShape, ModuleBase_IWorkshop* theWorkshop,
 655                const bool theTemporarily, const bool theCheckIfAttributeHasObject)
 656 {
 657   if (!theAttribute.get())
 658     return false;
 659
 660   bool isDone = true;
 661   std::string aType = theAttribute->attributeType();
 662   if (aType == ModelAPI_AttributeReference::typeId()) {
 663     AttributeReferencePtr aRef =
 664       std::dynamic_pointer_cast<ModelAPI_AttributeReference>(theAttribute);
 665     ObjectPtr aObject = aRef->value();
 666     if (!(aObject && aObject->isSame(theObject))) {
 667       aRef->setValue(theObject);
 668     }
 669   } else if (aType == ModelAPI_AttributeRefAttr::typeId()) {
 670     AttributeRefAttrPtr aRefAttr =
 671       std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
 672
 673     AttributePtr anAttribute = theWorkshop->module()->findAttribute(theObject, theShape);
 674     if (anAttribute.get())
 675       aRefAttr->setAttr(anAttribute);
 676     else {
 677       ObjectPtr aObject = aRefAttr->object();
 678       if (!(aObject && aObject->isSame(theObject))) {
 679         aRefAttr->setObject(theObject);
 680       }
 681     }
 682   } else if (aType == ModelAPI_AttributeSelection::typeId()) {
 683     AttributeSelectionPtr aSelectAttr =
 684                              std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(theAttribute);
 685     if (aSelectAttr.get() != NULL) {
 686       aSelectAttr->setValue(theObject, theShape, theTemporarily);
 687     }
 688   }
 689   if (aType == ModelAPI_AttributeSelectionList::typeId()) {
 690     AttributeSelectionListPtr aSelectionListAttr =
 691                          std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(theAttribute);
 692     if (!theCheckIfAttributeHasObject ||
 693       !aSelectionListAttr->isInList(theObject, theShape, theTemporarily))
 694       aSelectionListAttr->append(theObject, theShape, theTemporarily);
 695   }
 696   else if (aType == ModelAPI_AttributeRefList::typeId()) {
 697     AttributeRefListPtr aRefListAttr =
 698       std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(theAttribute);
 699     if (!theCheckIfAttributeHasObject || !aRefListAttr->isInList(theObject)) {
 700       if (theObject.get())
 701         aRefListAttr->append(theObject);
 702       else
 703         isDone = false;
 704     }
 705   }
 706   else if (aType == ModelAPI_AttributeRefAttrList::typeId()) {
 707     AttributeRefAttrListPtr aRefAttrListAttr =
 708       std::dynamic_pointer_cast<ModelAPI_AttributeRefAttrList>(theAttribute);
 709     AttributePtr anAttribute = theWorkshop->module()->findAttribute(theObject, theShape);
 710
 711     if (anAttribute.get()) {
 712       if (!theCheckIfAttributeHasObject || !aRefAttrListAttr->isInList(anAttribute))
 713         aRefAttrListAttr->append(anAttribute);
 714     }
 715     else {
 716       if (!theCheckIfAttributeHasObject || !aRefAttrListAttr->isInList(theObject)) {
 717         if (theObject.get())
 718           aRefAttrListAttr->append(theObject);
 719         else
 720           isDone = false;
 721       }
 722     }
 723   }
 724   return isDone;
 725 }
 726
 727 GeomShapePtr getShape(const AttributePtr& theAttribute, ModuleBase_IWorkshop* theWorkshop)
 728 {
 729   GeomShapePtr aShape;
 730   if (!theAttribute.get())
 731     return aShape;
 732
 733   std::string aType = theAttribute->attributeType();
 734   if (aType == ModelAPI_AttributeReference::typeId()) {
 735   } else if (aType == ModelAPI_AttributeRefAttr::typeId()) {
 736     AttributeRefAttrPtr aRefAttr =
 737       std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
 738     if (aRefAttr.get() && !aRefAttr->isObject()) {
 739       AttributePtr anAttribute = aRefAttr->attr();
 740       aShape = theWorkshop->module()->findShape(anAttribute);
 741     }
 742   } else if (aType == ModelAPI_AttributeSelection::typeId()) {
 743     AttributeSelectionPtr aSelectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeSelection>
 744                                                                                  (theAttribute);
 745     aShape = aSelectAttr->value();
 746   }
 747   else // Geom2D point processing
 748     aShape = theWorkshop->module()->findShape(theAttribute);
 749   return aShape;
 750 }
 751
 752 void flushUpdated(ObjectPtr theObject)
 753 {
 754   blockUpdateViewer(true);
 755
 756   // Fix the problem of not previewed results of constraints applied. Flush Create/Delete
 757   // (for the sketch result) to start processing of the sketch in the solver.
 758   // TODO: these flushes should be moved in a separate method provided by Model
 759   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
 760   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
 761   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_DELETED));
 762
 763   blockUpdateViewer(false);
 764 }
 765
 766 void blockUpdateViewer(const bool theValue)
 767 {
 768   // the viewer update should be blocked in order to avoid the temporary feature content
 769   // when the solver processes the feature, the redisplay message can be flushed
 770   // what caused the display in the viewer preliminary states of object
 771   // e.g. fillet feature, angle value change
 772   std::shared_ptr<Events_Message> aMsg;
 773   if (theValue) {
 774     aMsg = std::shared_ptr<Events_Message>(
 775         new Events_Message(Events_Loop::eventByName(EVENT_UPDATE_VIEWER_BLOCKED)));
 776   }
 777   else {
 778     // the viewer update should be unblocked
 779     aMsg = std::shared_ptr<Events_Message>(
 780         new Events_Message(Events_Loop::eventByName(EVENT_UPDATE_VIEWER_UNBLOCKED)));
 781   }
 782   Events_Loop::loop()->send(aMsg);
 783 }
 784
 785 QString wrapTextByWords(const QString& theValue, QWidget* theWidget,
 786                                           int theMaxLineInPixels)
 787 {
 788   static QFontMetrics tfm(theWidget ? theWidget->font() : QApplication::font());
 789   static qreal phi = 2.618;
 790
 791   QRect aBounds = tfm.boundingRect(theValue);
 792   if(aBounds.width() <= theMaxLineInPixels)
 793     return theValue;
 794
 795   qreal s = aBounds.width() * aBounds.height();
 796   qreal aGoldWidth = sqrt(s*phi);
 797
 798   QStringList aWords = theValue.split(" ", QString::SkipEmptyParts);
 799   QStringList aLines;
 800   int n = aWords.count();
 801   QString aLine;
 802   for (int i = 0; i < n; i++) {
 803     QString aLineExt =  i == 0 ? aWords[i] : aLine + " " + aWords[i];
 804     qreal anWidthNonExt = tfm.boundingRect(aLine).width();
 805     qreal anWidthExt = tfm.boundingRect(aLineExt).width();
 806     qreal aDeltaNonExt = fabs(anWidthNonExt-aGoldWidth);
 807     qreal aDeltaExt    = fabs(anWidthExt-aGoldWidth);
 808     if(aDeltaNonExt < aDeltaExt) {
 809       // new line
 810       aLines.append(aLine);
 811       aLine = aWords[i];
 812     }
 813     else
 814       aLine = aLineExt;
 815   }
 816
 817   if(!aLine.isEmpty())
 818     aLines.append(aLine);
 819
 820   QString aResult = aLines.join("\n");
 821   return aResult;
 822 }
 823
 824 //**************************************************************
 825 QLocale doubleLocale()
 826 {
 827   // VSR 01/07/2010: Disable thousands separator for spin box
 828   // (to avoid inconsistency of double-2-string and string-2-double conversion)
 829   QLocale aLocale;
 830   aLocale.setNumberOptions(aLocale.numberOptions() |
 831                            QLocale::OmitGroupSeparator |
 832                            QLocale::RejectGroupSeparator);
 833   return aLocale;
 834 }
 835
 836 //**************************************************************
 837 void refsToFeatureInFeatureDocument(const ObjectPtr& theObject,
 838                                     std::set<FeaturePtr>& theRefFeatures)
 839 {
 840   FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
 841   if (aFeature.get()) {
 842     DocumentPtr aFeatureDoc = aFeature->document();
 843     // 1. find references in the current document
 844     aFeatureDoc->refsToFeature(aFeature, theRefFeatures, false);
 845   }
 846 }
 847
 848
 849 //**************************************************************
 850 /*bool isSubOfComposite(const ObjectPtr& theObject)
 851 {
 852   bool isSub = false;
 853   std::set<FeaturePtr> aRefFeatures;
 854   refsToFeatureInFeatureDocument(theObject, aRefFeatures);
 855   std::set<FeaturePtr>::const_iterator anIt = aRefFeatures.begin(),
 856                                        aLast = aRefFeatures.end();
 857   for (; anIt != aLast && !isSub; anIt++) {
 858     isSub = isSubOfComposite(theObject, *anIt);
 859   }
 860   return isSub;
 861 }*/
 862
 863 //**************************************************************
 864 /*bool isSubOfComposite(const ObjectPtr& theObject, const FeaturePtr& theFeature)
 865 {
 866   bool isSub = false;
 867   CompositeFeaturePtr aComposite = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
 868   if (aComposite.get()) {
 869     isSub = aComposite->isSub(theObject);
 870     // the recursive is possible, the parameters are sketch circle and extrusion cut. They are
 871     // separated by composite sketch feature
 872     if (!isSub) {
 873       int aNbSubs = aComposite->numberOfSubs();
 874       for (int aSub = 0; aSub < aNbSubs && !isSub; aSub++) {
 875         isSub = isSubOfComposite(theObject, aComposite->subFeature(aSub));
 876       }
 877     }
 878   }
 879   return isSub;
 880 }*/
 881
 882 //**************************************************************
 883 ResultPtr firstResult(const ObjectPtr& theObject)
 884 {
 885   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 886   if (!aResult.get()) {
 887     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theObject);
 888     if (aFeature.get())
 889       aResult = aFeature->firstResult();
 890   }
 891   return aResult;
 892 }
 893
 894 //**************************************************************
 895 bool isFeatureOfResult(const FeaturePtr& theFeature, const std::string& theGroupOfResult)
 896 {
 897   bool isResult = false;
 898
 899   if (!theFeature->data()->isValid())
 900     return isResult;
 901
 902   ResultPtr aFirstResult = theFeature->firstResult();
 903   if (!aFirstResult.get())
 904     return isResult;
 905
 906   return aFirstResult->groupName() == theGroupOfResult;
 907 }
 908
 909 //**************************************************************
 910 bool hasModuleDocumentFeature(const std::set<FeaturePtr>& theFeatures)
 911 {
 912   bool aFoundModuleDocumentObject = false;
 913   DocumentPtr aModuleDoc = ModelAPI_Session::get()->moduleDocument();
 914
 915   std::set<FeaturePtr>::const_iterator anIt = theFeatures.begin(), aLast = theFeatures.end();
 916   for (; anIt != aLast && !aFoundModuleDocumentObject; anIt++) {
 917     FeaturePtr aFeature = *anIt;
 918     ResultPtr aResult = ModuleBase_Tools::firstResult(aFeature);
 919     if (aResult.get() && aResult->groupName() == ModelAPI_ResultPart::group())
 920       continue;
 921     aFoundModuleDocumentObject = aFeature->document() == aModuleDoc;
 922   }
 923
 924   return aFoundModuleDocumentObject;
 925 }
 926
 927 //**************************************************************
 928 bool askToDelete(const std::set<FeaturePtr> theFeatures,
 929                  const std::map<FeaturePtr, std::set<FeaturePtr> >& theReferences,
 930                  QWidget* theParent,
 931                  std::set<FeaturePtr>& theReferencesToDelete,
 932                  const std::string& thePrefixInfo)
 933 {
 934   QString aNotActivatedDocWrn;
 935   std::string aNotActivatedNames;
 936   if (!ModelAPI_Tools::allDocumentsActivated(aNotActivatedNames)) {
 937     if (ModuleBase_Tools::hasModuleDocumentFeature(theFeatures))
 938       aNotActivatedDocWrn =
 939         QObject::tr("Selected objects can be used in Part documents which are not loaded:%1.\n")
 940                             .arg(aNotActivatedNames.c_str());
 941   }
 942
 943   std::set<FeaturePtr> aFeaturesRefsTo;
 944   std::set<FeaturePtr> aFeaturesRefsToParameter;
 945   std::set<FeaturePtr> aParameterFeatures;
 946   QStringList aPartFeatureNames;
 947   std::set<FeaturePtr>::const_iterator anIt = theFeatures.begin(),
 948                                        aLast = theFeatures.end();
 949   // separate features to references to parameter features and references to others
 950   for (; anIt != aLast; anIt++) {
 951     FeaturePtr aFeature = *anIt;
 952     if (theReferences.find(aFeature) == theReferences.end())
 953       continue;
 954
 955     if (isFeatureOfResult(aFeature, ModelAPI_ResultPart::group()))
 956       aPartFeatureNames.append(aFeature->name().c_str());
 957
 958     std::set<FeaturePtr> aRefFeatures;
 959     std::set<FeaturePtr> aRefList = theReferences.at(aFeature);
 960     std::set<FeaturePtr>::const_iterator aRefIt = aRefList.begin(), aRefLast = aRefList.end();
 961     for (; aRefIt != aRefLast; aRefIt++) {
 962       FeaturePtr aRefFeature = *aRefIt;
 963       if (theFeatures.find(aRefFeature) == theFeatures.end() && // it is not selected
 964           aRefFeatures.find(aRefFeature) == aRefFeatures.end()) // it is not added
 965         aRefFeatures.insert(aRefFeature);
 966     }
 967
 968     if (isFeatureOfResult(aFeature, ModelAPI_ResultParameter::group())) {
 969       aFeaturesRefsToParameter.insert(aRefFeatures.begin(), aRefFeatures.end());
 970       aParameterFeatures.insert(aFeature);
 971     }
 972     else {
 973       theReferencesToDelete.insert(aRefFeatures.begin(), aRefFeatures.end());
 974     }
 975   }
 976
 977   std::set<FeaturePtr> aFeaturesRefsToParameterOnly;
 978   anIt = aFeaturesRefsToParameter.begin();
 979   aLast = aFeaturesRefsToParameter.end();
 980   // separate features to references to parameter features and references to others
 981   QStringList aParamFeatureNames;
 982   for (; anIt != aLast; anIt++) {
 983     FeaturePtr aFeature = *anIt;
 984     if (theReferencesToDelete.find(aFeature) == theReferencesToDelete.end()) {
 985       aFeaturesRefsToParameterOnly.insert(aFeature);
 986       aParamFeatureNames.append(aFeature->name().c_str());
 987     }
 988   }
 989   aParamFeatureNames.sort();
 990   QStringList anOtherFeatureNames;
 991   anIt = theReferencesToDelete.begin();
 992   aLast = theReferencesToDelete.end();
 993   for (; anIt != aLast; anIt++) {
 994     FeaturePtr aFeature = *anIt;
 995     if (aFeature->getKind() == "RemoveResults")
 996       continue; // skip the remove results feature mentioning: result will be removed anyway
 997     if (isFeatureOfResult(aFeature, ModelAPI_ResultPart::group()))
 998       aPartFeatureNames.append(aFeature->name().c_str());
 999     else
1000       anOtherFeatureNames.append(aFeature->name().c_str());
1001   }
1002   aPartFeatureNames.sort();
1003   anOtherFeatureNames.sort();
1004
1005   bool aCanReplaceParameters = !aFeaturesRefsToParameterOnly.empty();
1006
1007   QMessageBox aMessageBox(theParent);
1008   aMessageBox.setWindowTitle(QObject::tr("Delete features"));
1009   aMessageBox.setIcon(QMessageBox::Warning);
1010   aMessageBox.setStandardButtons(QMessageBox::No | QMessageBox::Yes);
1011   aMessageBox.setDefaultButton(QMessageBox::No);
1012
1013   QString aText;
1014   if (!thePrefixInfo.empty())
1015     aText = thePrefixInfo.c_str();
1016   QString aSep = ", ";
1017   if (!aPartFeatureNames.empty()) {
1018     aText += QString(QObject::tr("The following parts will be deleted: %1.\n"))
1019              .arg(aPartFeatureNames.join(aSep));
1020   }
1021   if (!aNotActivatedDocWrn.isEmpty())
1022     aText += aNotActivatedDocWrn;
1023   if (!anOtherFeatureNames.empty()) {
1024     const char* aMsg = "Features are used in the following features: %1.\nThese "
1025                        "features will be deleted.\n";
1026     aText += QString(QObject::tr(aMsg))
1027                      .arg(anOtherFeatureNames.join(aSep));
1028   }
1029   if (!aParamFeatureNames.empty()) {
1030     const char* aMsg = "Parameters are used directly and through a sequence "
1031                        "of dependencies in the following features: %1.\nThese features will "
1032                        "be deleted.\nOr parameters could be replaced by their values.\n";
1033     aText += QString(QObject::tr(aMsg))
1034                      .arg(aParamFeatureNames.join(aSep));
1035     QPushButton *aReplaceButton =
1036       aMessageBox.addButton(QObject::tr("Replace"), QMessageBox::ActionRole);
1037   }
1038
1039   if (!aText.isEmpty()) {
1040     aText += "Would you like to continue?";
1041     aMessageBox.setText(aText);
1042     aMessageBox.exec();
1043     QMessageBox::ButtonRole aButtonRole = aMessageBox.buttonRole(aMessageBox.clickedButton());
1044
1045     if (aButtonRole == QMessageBox::NoRole)
1046       return false;
1047
1048     if (aButtonRole == QMessageBox::ActionRole) {
1049       foreach (FeaturePtr aObj, aParameterFeatures)
1050         ModelAPI_ReplaceParameterMessage::send(aObj, 0);
1051     }
1052     else
1053       theReferencesToDelete.insert(aFeaturesRefsToParameterOnly.begin(),
1054                                    aFeaturesRefsToParameterOnly.end());
1055   }
1056   return true;
1057 }
1058
1059 //**************************************************************
1060 void convertToFeatures(const QObjectPtrList& theObjects, std::set<FeaturePtr>& theFeatures)
1061 {
1062   QObjectPtrList::const_iterator anIt = theObjects.begin(), aLast = theObjects.end();
1063   for(; anIt != aLast; anIt++) {
1064     ObjectPtr anObject = *anIt;
1065     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anObject);
1066     // for parameter result, use the corresponded reature to be removed
1067     if (!aFeature.get() && anObject->groupName() == ModelAPI_ResultParameter::group()) {
1068       aFeature = ModelAPI_Feature::feature(anObject);
1069     }
1070     if (aFeature.get())
1071       theFeatures.insert(aFeature);
1072   }
1073 }
1074
1075 //**************************************************************
1076 void convertToFolders(const QObjectPtrList& theObjects,
1077                                          std::set<FolderPtr>& theFolders)
1078 {
1079   QObjectPtrList::const_iterator anIt = theObjects.begin(), aLast = theObjects.end();
1080   for(; anIt != aLast; anIt++) {
1081     ObjectPtr anObject = *anIt;
1082     FolderPtr aFeature = std::dynamic_pointer_cast<ModelAPI_Folder>(anObject);
1083     if (aFeature.get())
1084       theFolders.insert(aFeature);
1085   }
1086 }
1087
1088
1089 //**************************************************************
1090 QString translate(const Events_InfoMessage& theMessage)
1091 {
1092   QString aMessage;
1093
1094   if (!theMessage.empty()) {
1095     std::string aStr = Config_Translator::translate(theMessage);
1096     if (!aStr.empty()) {
1097       std::string aCodec = Config_Translator::codec(theMessage);
1098       aMessage = QTextCodec::codecForName(aCodec.c_str())->toUnicode(aStr.c_str());
1099     }
1100   }
1101
1102   return aMessage;
1103 }
1104
1105 QString translate(const std::string& theContext, const std::string& theMessage)
1106 {
1107   QString aMessage;
1108
1109   if (!theMessage.empty()) {
1110     std::string aStr = Config_Translator::translate(theContext, theMessage);
1111     if (!aStr.empty()) {
1112       std::string aCodec = Config_Translator::codec(theContext);
1113       aMessage = QTextCodec::codecForName(aCodec.c_str())->toUnicode(aStr.c_str());
1114     }
1115   }
1116
1117   return aMessage;
1118 }
1119
1120 void setPointBallHighlighting(AIS_Shape* theAIS)
1121 {
1122   static Handle(Image_AlienPixMap) aPixMap;
1123   if(aPixMap.IsNull()) {
1124     // Load icon for the presentation
1125     std::string aFile;
1126     char* anEnv = getenv("SHAPER_ROOT_DIR");
1127     if(anEnv) {
1128       aFile = std::string(anEnv) +
1129         FSEP + "share" + FSEP + "salome" + FSEP + "resources" + FSEP + "shaper";
1130     } else {
1131       anEnv = getenv("OPENPARTS_ROOT_DIR");
1132       if (anEnv)
1133         aFile = std::string(anEnv) + FSEP + "resources";
1134     }
1135
1136     aFile += FSEP;
1137     static const std::string aMarkerName = "marker_dot.png";
1138     aFile += aMarkerName;
1139     aPixMap = new Image_AlienPixMap();
1140     if(!aPixMap->Load(aFile.c_str())) {
1141       // The icon for constraint is not found
1142       static const std::string aMsg =
1143         "Error: Point market not found by path: \"" + aFile + "\". Falling back.";
1144       //Events_InfoMessage("ModuleBase_Tools::setPointBallHighlighting", aMsg).send();
1145     }
1146   }
1147
1148   Handle(Graphic3d_AspectMarker3d) anAspect;
1149   Handle(Prs3d_Drawer) aDrawer = theAIS->DynamicHilightAttributes();
1150   if (aDrawer.IsNull()) {
1151     if (ModuleBase_IViewer::DefaultHighlightDrawer.IsNull())
1152       return;
1153     aDrawer = new Prs3d_Drawer(*ModuleBase_IViewer::DefaultHighlightDrawer);
1154     if (!aDrawer->HasOwnPointAspect()) {
1155       aDrawer->SetPointAspect(new Prs3d_PointAspect(Aspect_TOM_BALL, Quantity_NOC_BLACK, 2.0));
1156     }
1157   }
1158   if(aDrawer->HasOwnPointAspect()) {
1159     Handle(Prs3d_PointAspect) aPntAspect = aDrawer->PointAspect();
1160     if(aPixMap->IsEmpty()) {
1161       anAspect = aPntAspect->Aspect();
1162       anAspect->SetType(Aspect_TOM_BALL);
1163     } else {
1164       if(aPixMap->Format() == Image_PixMap::ImgGray) {
1165         aPixMap->SetFormat (Image_PixMap::ImgAlpha);
1166       } else if(aPixMap->Format() == Image_PixMap::ImgGrayF) {
1167         aPixMap->SetFormat (Image_PixMap::ImgAlphaF);
1168       }
1169       anAspect = new Graphic3d_AspectMarker3d(aPixMap);
1170       aPntAspect->SetAspect(anAspect);
1171     }
1172     aDrawer->SetPointAspect(aPntAspect);
1173           theAIS->SetDynamicHilightAttributes(aDrawer);
1174   }
1175 }
1176
1177 FeaturePtr createParameter(const QString& theText)
1178 {
1179   FeaturePtr aParameter;
1180   QStringList aList = theText.split("=");
1181   if (aList.count() != 2) {
1182     return aParameter;
1183   }
1184   QString aParamName = aList.at(0).trimmed();
1185
1186   if (isNameExist(aParamName, FeaturePtr())) {
1187     return aParameter;
1188   }
1189
1190   if (!ModelAPI_Expression::isVariable(aParamName.toStdString())) {
1191     return aParameter;
1192   }
1193
1194   QString aExpression = aList.at(1).trimmed();
1195   if (aExpression.isEmpty()) {
1196     return aParameter;
1197   }
1198
1199   SessionPtr aMgr = ModelAPI_Session::get();
1200   std::shared_ptr<ModelAPI_Document> aDoc = aMgr->activeDocument();
1201
1202   aParameter = aDoc->addFeature("Parameter");
1203   if (aParameter.get()) {
1204     AttributeStringPtr aNameAttr = aParameter->string("variable");
1205     aNameAttr->setValue(aParamName.toStdString());
1206
1207     AttributeStringPtr aExprAttr = aParameter->string("expression");
1208     aExprAttr->setValue(aExpression.toStdString());
1209     aParameter->execute();
1210
1211     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
1212     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
1213   }
1214   return aParameter;
1215 }
1216
1217 void editParameter(FeaturePtr theParam, const QString& theText)
1218 {
1219   QStringList aList = theText.split("=");
1220   QString aParamName = aList.at(0).trimmed();
1221
1222   QString aExpression = aList.at(1).trimmed();
1223   if (aExpression.isEmpty()) {
1224     return;
1225   }
1226
1227   if (isNameExist(aParamName, theParam)) {
1228     return;
1229   }
1230   AttributeStringPtr aNameAttr = theParam->string("variable");
1231   aNameAttr->setValue(aParamName.toStdString());
1232
1233   AttributeStringPtr aExprAttr = theParam->string("expression");
1234   aExprAttr->setValue(aExpression.toStdString());
1235   theParam->execute();
1236
1237   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
1238 }
1239
1240 bool isNameExist(const QString& theName, FeaturePtr theIgnoreParameter)
1241 {
1242   SessionPtr aMgr = ModelAPI_Session::get();
1243   std::shared_ptr<ModelAPI_Document> aDoc = aMgr->activeDocument();
1244   FeaturePtr aParamFeature;
1245   int aNbFeatures = aDoc->numInternalFeatures();
1246   std::string aName = theName.toStdString();
1247   for (int i = 0; i < aNbFeatures; i++) {
1248     aParamFeature = aDoc->internalFeature(i);
1249     if (aParamFeature && aParamFeature->getKind() == "Parameter") {
1250       if ((theIgnoreParameter != aParamFeature) && (aParamFeature->name() == aName))
1251         return true;
1252     }
1253   }
1254   return false;
1255 }
1256
1257 FeaturePtr findParameter(const QString& theName)
1258 {
1259   SessionPtr aMgr = ModelAPI_Session::get();
1260   std::shared_ptr<ModelAPI_Document> aDoc = aMgr->activeDocument();
1261   FeaturePtr aParamFeature;
1262   int aNbFeatures = aDoc->numInternalFeatures();
1263   std::string aName = theName.toStdString();
1264   for (int i = 0; i < aNbFeatures; i++) {
1265     aParamFeature = aDoc->internalFeature(i);
1266     if (aParamFeature && aParamFeature->getKind() == "Parameter") {
1267       if (aParamFeature->name() == aName)
1268         return aParamFeature;
1269     }
1270   }
1271   return FeaturePtr();
1272 }
1273
1274
1275 //********************************************************************
1276 std::string generateName(const AttributePtr& theAttribute,
1277   ModuleBase_IWorkshop* theWorkshop)
1278 {
1279   std::string aName;
1280   if (theAttribute.get() != NULL) {
1281     ModuleBase_Operation* anOperation = theWorkshop->currentOperation();
1282
1283     FeaturePtr aFeature = ModelAPI_Feature::feature(theAttribute->owner());
1284     if (aFeature.get()) {
1285       std::string aXmlCfg, aDescription;
1286       theWorkshop->module()->getXMLRepresentation(aFeature->getKind(), aXmlCfg, aDescription);
1287
1288       ModuleBase_WidgetFactory aFactory(aXmlCfg, theWorkshop);
1289       std::string anAttributeTitle;
1290       aFactory.getAttributeTitle(theAttribute->id(), anAttributeTitle);
1291
1292       std::stringstream aStreamName;
1293       aStreamName << theAttribute->owner()->data()->name() << "/" << anAttributeTitle.c_str();
1294       aName = aStreamName.str();
1295     }
1296   }
1297   return aName;
1298 }
1299
1300 } // namespace ModuleBase_Tools
1301
1302