src/ModuleBase/ModuleBase_Tools.cpp

   1 // Copyright (C) 2014-2017  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
  18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
  19 //
  20
  21 #include "ModuleBase_Tools.h"
  22
  23 #include <ModuleBase_ParamIntSpinBox.h>
  24 #include <ModuleBase_ParamSpinBox.h>
  25 #include <ModuleBase_WidgetFactory.h>
  26 #include <ModuleBase_IWorkshop.h>
  27 #include <ModuleBase_IModule.h>
  28 #include <ModuleBase_IViewer.h>
  29 #include <ModuleBase_IconFactory.h>
  30 #include <ModuleBase_ResultPrs.h>
  31 #include <ModuleBase_ViewerPrs.h>
  32
  33 #include <ModelAPI_Attribute.h>
  34 #include <ModelAPI_AttributeRefAttr.h>
  35 #include <ModelAPI_AttributeReference.h>
  36 #include <ModelAPI_AttributeSelection.h>
  37 #include <ModelAPI_AttributeSelectionList.h>
  38 #include <ModelAPI_AttributeRefList.h>
  39 #include <ModelAPI_AttributeRefAttrList.h>
  40 #include <ModelAPI_ResultPart.h>
  41 #include <ModelAPI_ResultConstruction.h>
  42 #include <ModelAPI_AttributeString.h>
  43 #include <ModelAPI_Expression.h>
  44 #include <Events_Loop.h>
  45
  46 #include <ModelAPI_Data.h>
  47 #include <ModelAPI_Result.h>
  48 #include <ModelAPI_ResultParameter.h>
  49 #include <ModelAPI_Tools.h>
  50 #include <ModelAPI_Session.h>
  51 #include <ModelAPI_Events.h>
  52 #include <ModelAPI_Folder.h>
  53
  54 #include <ModelGeomAlgo_Point2D.h>
  55
  56 #include <StdSelect_BRepOwner.hxx>
  57 #include <TopoDS_Iterator.hxx>
  58 #include <AIS_InteractiveContext.hxx>
  59 #include <Prs3d_LineAspect.hxx>
  60 #include <Prs3d_PlaneAspect.hxx>
  61
  62 #include <GeomDataAPI_Point2D.h>
  63 #include <Events_InfoMessage.h>
  64 #include <GeomAPI_ShapeExplorer.h>
  65
  66 #include <Config_PropManager.h>
  67 #include <Config_Translator.h>
  68
  69 #include <Prs3d_PointAspect.hxx>
  70 #include <Graphic3d_AspectMarker3d.hxx>
  71
  72 #include <Image_AlienPixMap.hxx>
  73
  74 #include <QWidget>
  75 #include <QLayout>
  76 #include <QPainter>
  77 #include <QBitmap>
  78 #include <QDoubleSpinBox>
  79 #include <QGraphicsDropShadowEffect>
  80 #include <QColor>
  81 #include <QApplication>
  82 #include <QMessageBox>
  83 #include <QAction>
  84 #include <QTextCodec>
  85
  86 #include <sstream>
  87 #include <string>
  88
  89 #ifdef WIN32
  90 #pragma warning(disable : 4996) // for getenv
  91 #endif
  92
  93 const double tolerance = 1e-7;
  94 const double DEFAULT_DEVIATION_COEFFICIENT = 1.e-4;
  95
  96 //#define DEBUG_ACTIVATE_WINDOW
  97 //#define DEBUG_SET_FOCUS
  98
  99 #ifdef WIN32
 100 # define FSEP "\\"
 101 #else
 102 # define FSEP "/"
 103 #endif
 104
 105 namespace ModuleBase_Tools {
 106
 107 //******************************************************************
 108
 109 //******************************************************************
 110
 111 void adjustMargins(QWidget* theWidget)
 112 {
 113   if(!theWidget)
 114     return;
 115   adjustMargins(theWidget->layout());
 116 }
 117
 118 void adjustMargins(QLayout* theLayout)
 119 {
 120   if(!theLayout)
 121     return;
 122   theLayout->setContentsMargins(2, 5, 2, 5);
 123   theLayout->setSpacing(4);
 124 }
 125
 126 void zeroMargins(QWidget* theWidget)
 127 {
 128   if(!theWidget)
 129     return;
 130   zeroMargins(theWidget->layout());
 131 }
 132
 133 void zeroMargins(QLayout* theLayout)
 134 {
 135   if(!theLayout)
 136     return;
 137   theLayout->setContentsMargins(0, 0, 0, 0);
 138   theLayout->setSpacing(5);
 139 }
 140
 141 void activateWindow(QWidget* theWidget, const QString& theInfo)
 142 {
 143   if (theWidget) {
 144     theWidget->activateWindow();
 145     theWidget->raise();
 146   }
 147
 148 #ifdef DEBUG_ACTIVATE_WINDOW
 149   qDebug(QString("activateWindow: %1").arg(theInfo).toStdString().c_str());
 150 #endif
 151 }
 152
 153 void setFocus(QWidget* theWidget, const QString& theInfo)
 154 {
 155   activateWindow(theWidget);
 156   theWidget->setFocus();
 157   // rectangle of focus is not visible on tool button widgets
 158   theWidget->repaint();
 159 #ifdef DEBUG_SET_FOCUS
 160   qDebug(QString("setFocus: %1").arg(theInfo).toStdString().c_str());
 161 #endif
 162 }
 163
 164 void setShadowEffect(QWidget* theWidget, const bool isSetEffect)
 165 {
 166   if (isSetEffect) {
 167     QGraphicsDropShadowEffect* aGlowEffect = new QGraphicsDropShadowEffect();
 168     aGlowEffect->setOffset(.0);
 169     aGlowEffect->setBlurRadius(10.0);
 170     aGlowEffect->setColor(QColor(0, 170, 255)); // Light-blue color, #00AAFF
 171     theWidget->setGraphicsEffect(aGlowEffect);
 172   }
 173   else {
 174     QGraphicsEffect* anEffect = theWidget->graphicsEffect();
 175     if(anEffect)
 176       anEffect->deleteLater();
 177     theWidget->setGraphicsEffect(NULL);
 178   }
 179 }
 180
 181 QPixmap composite(const QString& theAdditionalIcon, const QString& theIcon)
 182 {
 183   QImage anIcon = ModuleBase_IconFactory::loadImage(theIcon);
 184   QImage anAditional(theAdditionalIcon);
 185   return composite(anAditional, anIcon);
 186 }
 187
 188 QPixmap composite(const QImage& theAdditionalIcon, QImage& theIcon)
 189 {
 190   if (theIcon.isNull())
 191     return QPixmap();
 192
 193   int anAddWidth = theAdditionalIcon.width();
 194   int anAddHeight = theAdditionalIcon.height();
 195
 196   int aWidth = theIcon.width();
 197   int aHeight = theIcon.height();
 198
 199   int aStartWidthPos = aWidth - anAddWidth;
 200   int aStartHeightPos = aHeight - anAddHeight;
 201
 202   for (int i = 0; i < anAddWidth && i + aStartWidthPos < aWidth; i++)
 203   {
 204     for (int j = 0; j < anAddHeight && j + aStartHeightPos < aHeight; j++)
 205     {
 206       if (qAlpha(theAdditionalIcon.pixel(i, j)) > 0)
 207         theIcon.setPixel(i + aStartWidthPos, j + aStartHeightPos, theAdditionalIcon.pixel(i, j));
 208     }
 209   }
 210   return QPixmap::fromImage(theIcon);
 211 }
 212
 213 QPixmap lighter(const QString& theIcon, const int theLighterValue)
 214 {
 215   QImage anIcon = ModuleBase_IconFactory::loadImage(theIcon);
 216   if (anIcon.isNull())
 217     return QPixmap();
 218
 219   QImage aResult = ModuleBase_IconFactory::loadImage(theIcon);
 220   for (int i = 0; i < anIcon.width(); i++)
 221   {
 222     for (int j = 0; j < anIcon.height(); j++)
 223     {
 224       QRgb anRgb = anIcon.pixel(i, j);
 225       QColor aPixelColor(qRed(anRgb), qGreen(anRgb), qBlue(anRgb),
 226                          qAlpha(aResult.pixel(i, j)));
 227
 228       QColor aLighterColor = aPixelColor.lighter(theLighterValue);
 229       aResult.setPixel(i, j, qRgba(aLighterColor.red(), aLighterColor.green(),
 230                                     aLighterColor.blue(), aLighterColor.alpha()));
 231     }
 232   }
 233   return QPixmap::fromImage(aResult);
 234 }
 235
 236 void setSpinText(ModuleBase_ParamSpinBox* theSpin, const QString& theText)
 237 {
 238   if (theSpin->text() == theText)
 239     return;
 240   // In order to avoid extra text setting because it will
 241   // reset cursor position in control
 242   bool isBlocked = theSpin->blockSignals(true);
 243   theSpin->setText(theText);
 244   theSpin->blockSignals(isBlocked);
 245 }
 246
 247 void setSpinValue(QDoubleSpinBox* theSpin, double theValue)
 248 {
 249   if (fabs(theSpin->value() - theValue) < tolerance)
 250     return;
 251   bool isBlocked = theSpin->blockSignals(true);
 252   theSpin->setValue(theValue);
 253   theSpin->blockSignals(isBlocked);
 254 }
 255
 256 void setSpinValue(ModuleBase_ParamSpinBox* theSpin, double theValue)
 257 {
 258   if (fabs(theSpin->value() - theValue) < tolerance)
 259     return;
 260   bool isBlocked = theSpin->blockSignals(true);
 261   theSpin->setValue(theValue);
 262   theSpin->blockSignals(isBlocked);
 263 }
 264
 265 void setSpinText(ModuleBase_ParamIntSpinBox* theSpin, const QString& theText)
 266 {
 267   // In order to avoid extra text setting because it will
 268   // reset cursor position in control
 269   if (theSpin->text() == theText)
 270     return;
 271   bool isBlocked = theSpin->blockSignals(true);
 272   theSpin->setText(theText);
 273   theSpin->blockSignals(isBlocked);
 274 }
 275
 276 void setSpinValue(ModuleBase_ParamIntSpinBox* theSpin, int theValue)
 277 {
 278   if (theSpin->value() == theValue)
 279     return;
 280   bool isBlocked = theSpin->blockSignals(true);
 281   theSpin->setValue(theValue);
 282   theSpin->blockSignals(isBlocked);
 283 }
 284
 285 QAction* createAction(const QIcon& theIcon, const QString& theText,
 286                       QObject* theParent, const QObject* theReceiver,
 287                       const char* theMember, const QString& theToolTip,
 288                       const QString& theStatusTip)
 289 {
 290   QAction* anAction = new QAction(theIcon, theText, theParent);
 291   anAction->setToolTip(theToolTip.isEmpty() ? theText : theToolTip);
 292   anAction->setStatusTip(!theStatusTip.isEmpty() ? theStatusTip :
 293                                                    (!theToolTip.isEmpty() ? theToolTip : theText));
 294   if (theReceiver)
 295     QObject::connect(anAction, SIGNAL(triggered(bool)), theReceiver, theMember);
 296
 297   return anAction;
 298 }
 299
 300 #ifdef _DEBUG
 301 QString objectName(const ObjectPtr& theObj)
 302 {
 303   if (!theObj.get())
 304     return "";
 305
 306   return theObj->data()->name().c_str();
 307 }
 308
 309 QString objectInfo(const ObjectPtr& theObj, const bool isUseAttributesInfo)
 310 {
 311   QString aFeatureStr = "feature";
 312   if (!theObj.get())
 313     return aFeatureStr;
 314
 315   std::ostringstream aPtrStr;
 316   aPtrStr << "[" << theObj.get() << "]";
 317
 318   ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(theObj);
 319   FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theObj);
 320   if(aRes.get()) {
 321     aFeatureStr.append(QString("(result%1)").arg(aPtrStr.str().c_str()).toStdString() .c_str());
 322     if (aRes->isDisabled())
 323       aFeatureStr.append("[disabled]");
 324     if (aRes->isConcealed())
 325       aFeatureStr.append("[concealed]");
 326     if (ModelAPI_Tools::hasSubResults(aRes))
 327       aFeatureStr.append("[hasSubResults]");
 328
 329     aFeature = ModelAPI_Feature::feature(aRes);
 330   }
 331   else
 332     aFeatureStr.append(aPtrStr.str().c_str());
 333
 334   if (aFeature.get()) {
 335     aFeatureStr.append(QString(": %1").arg(aFeature->getKind().c_str()).toStdString().c_str());
 336     if (aFeature->data()->isValid()) {
 337       aFeatureStr.append(QString(", name=%1").arg(theObj->data()->name().c_str()).toStdString()
 338                                                                                        .c_str());
 339     }
 340     if (isUseAttributesInfo) {
 341       std::set<std::shared_ptr<ModelAPI_Attribute> > anAttributes;
 342       std::string aPointsInfo = ModelGeomAlgo_Point2D::getPontAttributesInfo(aFeature,
 343                                                                           anAttributes).c_str();
 344       if (!aPointsInfo.empty())
 345         aFeatureStr.append(QString(", attributes: %1")
 346           .arg(aPointsInfo.c_str()).toStdString().c_str());
 347     }
 348   }
 349
 350   return aFeatureStr;
 351 }
 352 #endif
 353
 354 typedef QMap<QString, int> ShapeTypes;
 355 static ShapeTypes myShapeTypes;
 356
 357 int shapeType(const QString& theType)
 358 {
 359   if (myShapeTypes.count() == 0) {
 360     myShapeTypes["compound"]   = TopAbs_COMPOUND;
 361     myShapeTypes["compounds"]  = TopAbs_COMPOUND;
 362     myShapeTypes["compsolid"]  = TopAbs_COMPSOLID;
 363     myShapeTypes["compsolids"] = TopAbs_COMPSOLID;
 364     myShapeTypes["solid"]      = TopAbs_SOLID;
 365     myShapeTypes["solids"]     = TopAbs_SOLID;
 366     myShapeTypes["shell"]      = TopAbs_SHELL;
 367     myShapeTypes["shells"]     = TopAbs_SHELL;
 368     myShapeTypes["face"]       = TopAbs_FACE;
 369     myShapeTypes["faces"]      = TopAbs_FACE;
 370     myShapeTypes["wire"]       = TopAbs_WIRE;
 371     myShapeTypes["wires"]      = TopAbs_WIRE;
 372     myShapeTypes["edge"]       = TopAbs_EDGE;
 373     myShapeTypes["edges"]      = TopAbs_EDGE;
 374     myShapeTypes["vertex"]     = TopAbs_VERTEX;
 375     myShapeTypes["vertices"]   = TopAbs_VERTEX;
 376     myShapeTypes["object"]     = ModuleBase_ResultPrs::Sel_Result;
 377     myShapeTypes["objects"]    = ModuleBase_ResultPrs::Sel_Result;
 378   }
 379   QString aType = theType.toLower();
 380   if(myShapeTypes.contains(aType))
 381     return myShapeTypes[aType];
 382   Events_InfoMessage("ModuleBase_Tools", "Shape type defined in XML is not implemented!").send();
 383   return TopAbs_SHAPE;
 384 }
 385
 386 void checkObjects(const QObjectPtrList& theObjects, bool& hasResult, bool& hasFeature,
 387                   bool& hasParameter, bool& hasCompositeOwner, bool& hasResultInHistory,
 388                   bool& hasFolder)
 389 {
 390   hasResult = false;
 391   hasFeature = false;
 392   hasParameter = false;
 393   hasCompositeOwner = false;
 394   hasResultInHistory = false;
 395   hasFolder = false;
 396   foreach(ObjectPtr aObj, theObjects) {
 397     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
 398     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(aObj);
 399     FolderPtr aFolder = std::dynamic_pointer_cast<ModelAPI_Folder>(aObj);
 400     ResultParameterPtr aConstruction = std::dynamic_pointer_cast<ModelAPI_ResultParameter>(aResult);
 401
 402     hasResult |= (aResult.get() != NULL);
 403     hasFeature |= (aFeature.get() != NULL);
 404     hasFolder |= (aFolder.get() != NULL);
 405     hasParameter |= (aConstruction.get() != NULL);
 406     if (hasFeature)
 407       hasCompositeOwner |= (ModelAPI_Tools::compositeOwner(aFeature) != NULL);
 408
 409     if (!hasResultInHistory && aResult.get()) {
 410       FeaturePtr aFeature = ModelAPI_Feature::feature(aResult);
 411       hasResultInHistory = aFeature.get() && aFeature->isInHistory();
 412     }
 413
 414     if (hasFeature && hasResult  && hasParameter && hasCompositeOwner && hasFeature)
 415       break;
 416   }
 417 }
 418
 419 /*bool setDefaultDeviationCoefficient(std::shared_ptr<GeomAPI_Shape> theGeomShape)
 420 {
 421   if (!theGeomShape.get())
 422     return false;
 423   // if the shape could not be exploded on faces, it contains only wires, edges, and vertices
 424   // correction of deviation for them should not influence to the application performance
 425   GeomAPI_ShapeExplorer anExp(theGeomShape, GeomAPI_Shape::FACE);
 426   bool anEmpty = anExp.empty();
 427   return !anExp.more();
 428 }*/
 429
 430 /*void setDefaultDeviationCoefficient(const std::shared_ptr<ModelAPI_Result>& theResult,
 431                                     const Handle(Prs3d_Drawer)& theDrawer)
 432 {
 433   if (!theResult.get())
 434     return;
 435   bool aUseDeviation = false;
 436
 437   std::string aResultGroup = theResult->groupName();
 438   if (aResultGroup == ModelAPI_ResultConstruction::group())
 439     aUseDeviation = true;
 440   else if (aResultGroup == ModelAPI_ResultBody::group()) {
 441     GeomShapePtr aGeomShape = theResult->shape();
 442     if (aGeomShape.get())
 443       aUseDeviation = setDefaultDeviationCoefficient(aGeomShape);
 444   }
 445   if (aUseDeviation)
 446     theDrawer->SetDeviationCoefficient(DEFAULT_DEVIATION_COEFFICIENT);
 447 }
 448 */
 449 void setDefaultDeviationCoefficient(const TopoDS_Shape& theShape,
 450                                     const Handle(Prs3d_Drawer)& theDrawer)
 451 {
 452   if (theShape.IsNull())
 453     return;
 454
 455   std::shared_ptr<GeomAPI_Shape> aGeomShape(new GeomAPI_Shape());
 456   aGeomShape->setImpl(new TopoDS_Shape(theShape));
 457
 458   // if the shape could not be exploded on faces, it contains only wires, edges, and vertices
 459   // correction of deviation for them should not influence to the application performance
 460   GeomAPI_ShapeExplorer anExp(aGeomShape, GeomAPI_Shape::FACE);
 461   bool isConstruction = !anExp.more();
 462
 463   double aDeflection;
 464   if (isConstruction)
 465     aDeflection = Config_PropManager::real("Visualization", "construction_deflection");
 466   else
 467     aDeflection = Config_PropManager::real("Visualization", "body_deflection");
 468
 469   theDrawer->SetDeviationCoefficient(aDeflection);
 470 }
 471
 472 Quantity_Color color(const std::string& theSection,
 473                      const std::string& theName)
 474 {
 475   std::vector<int> aColor = Config_PropManager::color(theSection, theName);
 476   return Quantity_Color(aColor[0] / 255., aColor[1] / 255., aColor[2] / 255., Quantity_TOC_RGB);
 477 }
 478
 479 ObjectPtr getObject(const AttributePtr& theAttribute)
 480 {
 481   ObjectPtr anObject;
 482   std::string anAttrType = theAttribute->attributeType();
 483   if (anAttrType == ModelAPI_AttributeRefAttr::typeId()) {
 484     AttributeRefAttrPtr anAttr =
 485       std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
 486     if (anAttr != NULL && anAttr->isObject())
 487       anObject = anAttr->object();
 488   }
 489   if (anAttrType == ModelAPI_AttributeSelection::typeId()) {
 490     AttributeSelectionPtr anAttr =
 491       std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(theAttribute);
 492     if (anAttr != NULL)
 493       anObject = anAttr->context();
 494   }
 495   if (anAttrType == ModelAPI_AttributeReference::typeId()) {
 496     AttributeReferencePtr anAttr =
 497       std::dynamic_pointer_cast<ModelAPI_AttributeReference>(theAttribute);
 498     if (anAttr.get() != NULL)
 499       anObject = anAttr->value();
 500   }
 501   return anObject;
 502 }
 503
 504 TopAbs_ShapeEnum getCompoundSubType(const TopoDS_Shape& theShape)
 505 {
 506   TopAbs_ShapeEnum aShapeType = theShape.ShapeType();
 507
 508   // for compounds check sub-shapes: it may be compound of needed type:
 509   // Booleans may produce compounds of Solids
 510   if (aShapeType == TopAbs_COMPOUND) {
 511     for(TopoDS_Iterator aSubs(theShape); aSubs.More(); aSubs.Next()) {
 512       if (!aSubs.Value().IsNull()) {
 513         TopAbs_ShapeEnum aSubType = aSubs.Value().ShapeType();
 514         if (aSubType == TopAbs_COMPOUND) { // compound of compound(s)
 515           aShapeType = TopAbs_COMPOUND;
 516           break;
 517         }
 518         if (aShapeType == TopAbs_COMPOUND) {
 519           aShapeType = aSubType;
 520         } else if (aShapeType != aSubType) { // compound of shapes of different types
 521           aShapeType = TopAbs_COMPOUND;
 522           break;
 523         }
 524       }
 525     }
 526   }
 527   return aShapeType;
 528 }
 529
 530 TopoDS_Shape getSelectedShape(const std::shared_ptr<ModuleBase_ViewerPrs>& thePrs)
 531 {
 532   if (thePrs->shape().get())
 533     return thePrs->shape()->impl<TopoDS_Shape>();
 534
 535   Handle(StdSelect_BRepOwner) anOwner = Handle(StdSelect_BRepOwner)::DownCast(thePrs->owner());
 536   if (!anOwner.IsNull())
 537     return anOwner->Shape();
 538
 539   return TopoDS_Shape();
 540 }
 541
 542 void getParameters(QStringList& theParameters)
 543 {
 544   theParameters.clear();
 545
 546   SessionPtr aSession = ModelAPI_Session::get();
 547   std::list<DocumentPtr> aDocList;
 548   DocumentPtr anActiveDocument = aSession->activeDocument();
 549   DocumentPtr aRootDocument = aSession->moduleDocument();
 550   aDocList.push_back(anActiveDocument);
 551   if (anActiveDocument != aRootDocument) {
 552     aDocList.push_back(aRootDocument);
 553   }
 554   std::string aGroupId = ModelAPI_ResultParameter::group();
 555   for(std::list<DocumentPtr>::const_iterator it = aDocList.begin(); it != aDocList.end(); ++it) {
 556     DocumentPtr aDocument = *it;
 557     int aSize = aDocument->size(aGroupId);
 558     for (int i = 0; i < aSize; i++) {
 559       ObjectPtr anObject = aDocument->object(aGroupId, i);
 560       std::string aParameterName = anObject->data()->name();
 561       theParameters.append(aParameterName.c_str());
 562     }
 563   }
 564 }
 565
 566 std::string findGreedAttribute(ModuleBase_IWorkshop* theWorkshop,
 567                                const FeaturePtr& theFeature)
 568 {
 569   std::string anAttributeId;
 570
 571   std::string aXmlCfg, aDescription;
 572   theWorkshop->module()->getXMLRepresentation(theFeature->getKind(), aXmlCfg, aDescription);
 573
 574   ModuleBase_WidgetFactory aFactory(aXmlCfg, theWorkshop);
 575   std::string anAttributeTitle;
 576   aFactory.getGreedAttribute(anAttributeId);
 577
 578   return anAttributeId;
 579 }
 580
 581 bool hasObject(const AttributePtr& theAttribute, const ObjectPtr& theObject,
 582                const std::shared_ptr<GeomAPI_Shape>& theShape,
 583                ModuleBase_IWorkshop* theWorkshop,
 584                const bool theTemporarily)
 585 {
 586   bool aHasObject = false;
 587   if (!theAttribute.get())
 588     return aHasObject;
 589
 590   std::string aType = theAttribute->attributeType();
 591   if (aType == ModelAPI_AttributeReference::typeId()) {
 592     AttributeReferencePtr aRef =
 593       std::dynamic_pointer_cast<ModelAPI_AttributeReference>(theAttribute);
 594     ObjectPtr aObject = aRef->value();
 595     aHasObject = aObject && aObject->isSame(theObject);
 596     //if (!(aObject && aObject->isSame(theObject))) {
 597     //  aRef->setValue(theObject);
 598     //}
 599   } else if (aType == ModelAPI_AttributeRefAttr::typeId()) {
 600     AttributeRefAttrPtr aRefAttr =
 601       std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
 602
 603     AttributePtr anAttribute = theWorkshop->module()->findAttribute(theObject, theShape);
 604     if (anAttribute.get()) {
 605       //aRefAttr->setAttr(anAttribute);
 606     }
 607     else {
 608       ObjectPtr aObject = aRefAttr->object();
 609       aHasObject = aObject && aObject->isSame(theObject);
 610       //if (!(aObject && aObject->isSame(theObject))) {
 611       //  aRefAttr->setObject(theObject);
 612       //}
 613     }
 614   } else if (aType == ModelAPI_AttributeSelection::typeId()) {
 615     /*AttributeSelectionPtr aSelectAttr =
 616                              std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(theAttribute);
 617     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 618     if (aSelectAttr.get() != NULL) {
 619       aSelectAttr->setValue(aResult, theShape, theTemporarily);
 620     }*/
 621   }
 622   if (aType == ModelAPI_AttributeSelectionList::typeId()) {
 623     AttributeSelectionListPtr aSelectionListAttr =
 624                          std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(theAttribute);
 625     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 626     aHasObject = aSelectionListAttr->isInList(aResult, theShape, theTemporarily);
 627   }
 628   else if (aType == ModelAPI_AttributeRefList::typeId()) {
 629     AttributeRefListPtr aRefListAttr =
 630       std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(theAttribute);
 631     aHasObject = aRefListAttr->isInList(theObject);
 632     //if (!theCheckIfAttributeHasObject || !aRefListAttr->isInList(theObject))
 633     //  aRefListAttr->append(theObject);
 634   }
 635   else if (aType == ModelAPI_AttributeRefAttrList::typeId()) {
 636     AttributeRefAttrListPtr aRefAttrListAttr =
 637       std::dynamic_pointer_cast<ModelAPI_AttributeRefAttrList>(theAttribute);
 638     AttributePtr anAttribute = theWorkshop->module()->findAttribute(theObject, theShape);
 639
 640     if (anAttribute.get()) {
 641       aHasObject = aRefAttrListAttr->isInList(anAttribute);
 642       //if (!theCheckIfAttributeHasObject || !aRefAttrListAttr->isInList(anAttribute))
 643       //  aRefAttrListAttr->append(anAttribute);
 644     }
 645     else {
 646       aHasObject = aRefAttrListAttr->isInList(theObject);
 647       //if (!theCheckIfAttributeHasObject || !aRefAttrListAttr->isInList(theObject))
 648       //  aRefAttrListAttr->append(theObject);
 649     }
 650   }
 651   return aHasObject;
 652 }
 653
 654 bool setObject(const AttributePtr& theAttribute, const ObjectPtr& theObject,
 655                const GeomShapePtr& theShape, ModuleBase_IWorkshop* theWorkshop,
 656                const bool theTemporarily, const bool theCheckIfAttributeHasObject)
 657 {
 658   if (!theAttribute.get())
 659     return false;
 660
 661   bool isDone = true;
 662   std::string aType = theAttribute->attributeType();
 663   if (aType == ModelAPI_AttributeReference::typeId()) {
 664     AttributeReferencePtr aRef =
 665       std::dynamic_pointer_cast<ModelAPI_AttributeReference>(theAttribute);
 666     ObjectPtr aObject = aRef->value();
 667     if (!(aObject && aObject->isSame(theObject))) {
 668       aRef->setValue(theObject);
 669     }
 670   } else if (aType == ModelAPI_AttributeRefAttr::typeId()) {
 671     AttributeRefAttrPtr aRefAttr =
 672       std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
 673
 674     AttributePtr anAttribute = theWorkshop->module()->findAttribute(theObject, theShape);
 675     if (anAttribute.get())
 676       aRefAttr->setAttr(anAttribute);
 677     else {
 678       ObjectPtr aObject = aRefAttr->object();
 679       if (!(aObject && aObject->isSame(theObject))) {
 680         aRefAttr->setObject(theObject);
 681       }
 682     }
 683   } else if (aType == ModelAPI_AttributeSelection::typeId()) {
 684     AttributeSelectionPtr aSelectAttr =
 685                              std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(theAttribute);
 686     if (aSelectAttr.get() != NULL) {
 687       aSelectAttr->setValue(theObject, theShape, theTemporarily);
 688     }
 689   }
 690   if (aType == ModelAPI_AttributeSelectionList::typeId()) {
 691     AttributeSelectionListPtr aSelectionListAttr =
 692                          std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(theAttribute);
 693     if (!theCheckIfAttributeHasObject ||
 694       !aSelectionListAttr->isInList(theObject, theShape, theTemporarily))
 695       aSelectionListAttr->append(theObject, theShape, theTemporarily);
 696   }
 697   else if (aType == ModelAPI_AttributeRefList::typeId()) {
 698     AttributeRefListPtr aRefListAttr =
 699       std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(theAttribute);
 700     if (!theCheckIfAttributeHasObject || !aRefListAttr->isInList(theObject)) {
 701       if (theObject.get())
 702         aRefListAttr->append(theObject);
 703       else
 704         isDone = false;
 705     }
 706   }
 707   else if (aType == ModelAPI_AttributeRefAttrList::typeId()) {
 708     AttributeRefAttrListPtr aRefAttrListAttr =
 709       std::dynamic_pointer_cast<ModelAPI_AttributeRefAttrList>(theAttribute);
 710     AttributePtr anAttribute = theWorkshop->module()->findAttribute(theObject, theShape);
 711
 712     if (anAttribute.get()) {
 713       if (!theCheckIfAttributeHasObject || !aRefAttrListAttr->isInList(anAttribute))
 714         aRefAttrListAttr->append(anAttribute);
 715     }
 716     else {
 717       if (!theCheckIfAttributeHasObject || !aRefAttrListAttr->isInList(theObject)) {
 718         if (theObject.get())
 719           aRefAttrListAttr->append(theObject);
 720         else
 721           isDone = false;
 722       }
 723     }
 724   }
 725   return isDone;
 726 }
 727
 728 GeomShapePtr getShape(const AttributePtr& theAttribute, ModuleBase_IWorkshop* theWorkshop)
 729 {
 730   GeomShapePtr aShape;
 731   if (!theAttribute.get())
 732     return aShape;
 733
 734   std::string aType = theAttribute->attributeType();
 735   if (aType == ModelAPI_AttributeReference::typeId()) {
 736   } else if (aType == ModelAPI_AttributeRefAttr::typeId()) {
 737     AttributeRefAttrPtr aRefAttr =
 738       std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
 739     if (aRefAttr.get() && !aRefAttr->isObject()) {
 740       AttributePtr anAttribute = aRefAttr->attr();
 741       aShape = theWorkshop->module()->findShape(anAttribute);
 742     }
 743   } else if (aType == ModelAPI_AttributeSelection::typeId()) {
 744     AttributeSelectionPtr aSelectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeSelection>
 745                                                                                  (theAttribute);
 746     aShape = aSelectAttr->value();
 747   }
 748   else // Geom2D point processing
 749     aShape = theWorkshop->module()->findShape(theAttribute);
 750   return aShape;
 751 }
 752
 753 void flushUpdated(ObjectPtr theObject)
 754 {
 755   blockUpdateViewer(true);
 756
 757   // Fix the problem of not previewed results of constraints applied. Flush Create/Delete
 758   // (for the sketch result) to start processing of the sketch in the solver.
 759   // TODO: these flushes should be moved in a separate method provided by Model
 760   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
 761   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
 762   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_DELETED));
 763
 764   blockUpdateViewer(false);
 765 }
 766
 767 void blockUpdateViewer(const bool theValue)
 768 {
 769   // the viewer update should be blocked in order to avoid the temporary feature content
 770   // when the solver processes the feature, the redisplay message can be flushed
 771   // what caused the display in the viewer preliminary states of object
 772   // e.g. fillet feature, angle value change
 773   std::shared_ptr<Events_Message> aMsg;
 774   if (theValue) {
 775     aMsg = std::shared_ptr<Events_Message>(
 776         new Events_Message(Events_Loop::eventByName(EVENT_UPDATE_VIEWER_BLOCKED)));
 777   }
 778   else {
 779     // the viewer update should be unblocked
 780     aMsg = std::shared_ptr<Events_Message>(
 781         new Events_Message(Events_Loop::eventByName(EVENT_UPDATE_VIEWER_UNBLOCKED)));
 782   }
 783   Events_Loop::loop()->send(aMsg);
 784 }
 785
 786 QString wrapTextByWords(const QString& theValue, QWidget* theWidget,
 787                                           int theMaxLineInPixels)
 788 {
 789   static QFontMetrics tfm(theWidget ? theWidget->font() : QApplication::font());
 790   static qreal phi = 2.618;
 791
 792   QRect aBounds = tfm.boundingRect(theValue);
 793   if(aBounds.width() <= theMaxLineInPixels)
 794     return theValue;
 795
 796   qreal s = aBounds.width() * aBounds.height();
 797   qreal aGoldWidth = sqrt(s*phi);
 798
 799   QStringList aWords = theValue.split(" ", QString::SkipEmptyParts);
 800   QStringList aLines;
 801   int n = aWords.count();
 802   QString aLine;
 803   for (int i = 0; i < n; i++) {
 804     QString aLineExt = aLine + " " + aWords[i];
 805     qreal anWidthNonExt = tfm.boundingRect(aLine).width();
 806     qreal anWidthExt = tfm.boundingRect(aLineExt).width();
 807     qreal aDeltaNonExt = fabs(anWidthNonExt-aGoldWidth);
 808     qreal aDeltaExt    = fabs(anWidthExt-aGoldWidth);
 809     if(aDeltaNonExt < aDeltaExt) {
 810       // new line
 811       aLines.append(aLine);
 812       aLine = aWords[i];
 813     }
 814     else
 815       aLine = aLineExt;
 816   }
 817
 818   if(!aLine.isEmpty())
 819     aLines.append(aLine);
 820
 821   QString aResult = aLines.join("\n");
 822   return aResult;
 823 }
 824
 825 //**************************************************************
 826 QLocale doubleLocale()
 827 {
 828   // VSR 01/07/2010: Disable thousands separator for spin box
 829   // (to avoid inconsistency of double-2-string and string-2-double conversion)
 830   QLocale aLocale;
 831   aLocale.setNumberOptions(aLocale.numberOptions() |
 832                            QLocale::OmitGroupSeparator |
 833                            QLocale::RejectGroupSeparator);
 834   return aLocale;
 835 }
 836
 837 //**************************************************************
 838 void refsToFeatureInFeatureDocument(const ObjectPtr& theObject,
 839                                     std::set<FeaturePtr>& theRefFeatures)
 840 {
 841   FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
 842   if (aFeature.get()) {
 843     DocumentPtr aFeatureDoc = aFeature->document();
 844     // 1. find references in the current document
 845     aFeatureDoc->refsToFeature(aFeature, theRefFeatures, false);
 846   }
 847 }
 848
 849
 850 //**************************************************************
 851 /*bool isSubOfComposite(const ObjectPtr& theObject)
 852 {
 853   bool isSub = false;
 854   std::set<FeaturePtr> aRefFeatures;
 855   refsToFeatureInFeatureDocument(theObject, aRefFeatures);
 856   std::set<FeaturePtr>::const_iterator anIt = aRefFeatures.begin(),
 857                                        aLast = aRefFeatures.end();
 858   for (; anIt != aLast && !isSub; anIt++) {
 859     isSub = isSubOfComposite(theObject, *anIt);
 860   }
 861   return isSub;
 862 }*/
 863
 864 //**************************************************************
 865 /*bool isSubOfComposite(const ObjectPtr& theObject, const FeaturePtr& theFeature)
 866 {
 867   bool isSub = false;
 868   CompositeFeaturePtr aComposite = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
 869   if (aComposite.get()) {
 870     isSub = aComposite->isSub(theObject);
 871     // the recursive is possible, the parameters are sketch circle and extrusion cut. They are
 872     // separated by composite sketch feature
 873     if (!isSub) {
 874       int aNbSubs = aComposite->numberOfSubs();
 875       for (int aSub = 0; aSub < aNbSubs && !isSub; aSub++) {
 876         isSub = isSubOfComposite(theObject, aComposite->subFeature(aSub));
 877       }
 878     }
 879   }
 880   return isSub;
 881 }*/
 882
 883 //**************************************************************
 884 ResultPtr firstResult(const ObjectPtr& theObject)
 885 {
 886   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 887   if (!aResult.get()) {
 888     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theObject);
 889     if (aFeature.get())
 890       aResult = aFeature->firstResult();
 891   }
 892   return aResult;
 893 }
 894
 895 //**************************************************************
 896 bool isFeatureOfResult(const FeaturePtr& theFeature, const std::string& theGroupOfResult)
 897 {
 898   bool isResult = false;
 899
 900   if (!theFeature->data()->isValid())
 901     return isResult;
 902
 903   ResultPtr aFirstResult = theFeature->firstResult();
 904   if (!aFirstResult.get())
 905     return isResult;
 906
 907   return aFirstResult->groupName() == theGroupOfResult;
 908 }
 909
 910 //**************************************************************
 911 bool hasModuleDocumentFeature(const std::set<FeaturePtr>& theFeatures)
 912 {
 913   bool aFoundModuleDocumentObject = false;
 914   DocumentPtr aModuleDoc = ModelAPI_Session::get()->moduleDocument();
 915
 916   std::set<FeaturePtr>::const_iterator anIt = theFeatures.begin(), aLast = theFeatures.end();
 917   for (; anIt != aLast && !aFoundModuleDocumentObject; anIt++) {
 918     FeaturePtr aFeature = *anIt;
 919     ResultPtr aResult = ModuleBase_Tools::firstResult(aFeature);
 920     if (aResult.get() && aResult->groupName() == ModelAPI_ResultPart::group())
 921       continue;
 922     aFoundModuleDocumentObject = aFeature->document() == aModuleDoc;
 923   }
 924
 925   return aFoundModuleDocumentObject;
 926 }
 927
 928 //**************************************************************
 929 bool askToDelete(const std::set<FeaturePtr> theFeatures,
 930                  const std::map<FeaturePtr, std::set<FeaturePtr> >& theReferences,
 931                  QWidget* theParent,
 932                  std::set<FeaturePtr>& theReferencesToDelete,
 933                  const std::string& thePrefixInfo)
 934 {
 935   QString aNotActivatedDocWrn;
 936   std::string aNotActivatedNames;
 937   if (!ModelAPI_Tools::allDocumentsActivated(aNotActivatedNames)) {
 938     if (ModuleBase_Tools::hasModuleDocumentFeature(theFeatures))
 939       aNotActivatedDocWrn =
 940         QObject::tr("Selected objects can be used in Part documents which are not loaded:%1.\n")
 941                             .arg(aNotActivatedNames.c_str());
 942   }
 943
 944   std::set<FeaturePtr> aFeaturesRefsTo;
 945   std::set<FeaturePtr> aFeaturesRefsToParameter;
 946   std::set<FeaturePtr> aParameterFeatures;
 947   QStringList aPartFeatureNames;
 948   std::set<FeaturePtr>::const_iterator anIt = theFeatures.begin(),
 949                                        aLast = theFeatures.end();
 950   // separate features to references to parameter features and references to others
 951   for (; anIt != aLast; anIt++) {
 952     FeaturePtr aFeature = *anIt;
 953     if (theReferences.find(aFeature) == theReferences.end())
 954       continue;
 955
 956     if (isFeatureOfResult(aFeature, ModelAPI_ResultPart::group()))
 957       aPartFeatureNames.append(aFeature->name().c_str());
 958
 959     std::set<FeaturePtr> aRefFeatures;
 960     std::set<FeaturePtr> aRefList = theReferences.at(aFeature);
 961     std::set<FeaturePtr>::const_iterator aRefIt = aRefList.begin(), aRefLast = aRefList.end();
 962     for (; aRefIt != aRefLast; aRefIt++) {
 963       FeaturePtr aRefFeature = *aRefIt;
 964       if (theFeatures.find(aRefFeature) == theFeatures.end() && // it is not selected
 965           aRefFeatures.find(aRefFeature) == aRefFeatures.end()) // it is not added
 966         aRefFeatures.insert(aRefFeature);
 967     }
 968
 969     if (isFeatureOfResult(aFeature, ModelAPI_ResultParameter::group())) {
 970       aFeaturesRefsToParameter.insert(aRefFeatures.begin(), aRefFeatures.end());
 971       aParameterFeatures.insert(aFeature);
 972     }
 973     else {
 974       theReferencesToDelete.insert(aRefFeatures.begin(), aRefFeatures.end());
 975     }
 976   }
 977
 978   std::set<FeaturePtr> aFeaturesRefsToParameterOnly;
 979   anIt = aFeaturesRefsToParameter.begin();
 980   aLast = aFeaturesRefsToParameter.end();
 981   // separate features to references to parameter features and references to others
 982   QStringList aParamFeatureNames;
 983   for (; anIt != aLast; anIt++) {
 984     FeaturePtr aFeature = *anIt;
 985     if (theReferencesToDelete.find(aFeature) == theReferencesToDelete.end()) {
 986       aFeaturesRefsToParameterOnly.insert(aFeature);
 987       aParamFeatureNames.append(aFeature->name().c_str());
 988     }
 989   }
 990   aParamFeatureNames.sort();
 991   QStringList anOtherFeatureNames;
 992   anIt = theReferencesToDelete.begin();
 993   aLast = theReferencesToDelete.end();
 994   for (; anIt != aLast; anIt++) {
 995     FeaturePtr aFeature = *anIt;
 996     if (isFeatureOfResult(aFeature, ModelAPI_ResultPart::group()))
 997       aPartFeatureNames.append(aFeature->name().c_str());
 998     else
 999       anOtherFeatureNames.append(aFeature->name().c_str());
1000   }
1001   aPartFeatureNames.sort();
1002   anOtherFeatureNames.sort();
1003
1004   bool aCanReplaceParameters = !aFeaturesRefsToParameterOnly.empty();
1005
1006   QMessageBox aMessageBox(theParent);
1007   aMessageBox.setWindowTitle(QObject::tr("Delete features"));
1008   aMessageBox.setIcon(QMessageBox::Warning);
1009   aMessageBox.setStandardButtons(QMessageBox::No | QMessageBox::Yes);
1010   aMessageBox.setDefaultButton(QMessageBox::No);
1011
1012   QString aText;
1013   if (!thePrefixInfo.empty())
1014     aText = thePrefixInfo.c_str();
1015   QString aSep = ", ";
1016   if (!aPartFeatureNames.empty()) {
1017     aText += QString(QObject::tr("The following parts will be deleted: %1.\n"))
1018              .arg(aPartFeatureNames.join(aSep));
1019   }
1020   if (!aNotActivatedDocWrn.isEmpty())
1021     aText += aNotActivatedDocWrn;
1022   if (!anOtherFeatureNames.empty()) {
1023     const char* aMsg = "Features are used in the following features: %1.\nThese "
1024                        "features will be deleted.\n";
1025     aText += QString(QObject::tr(aMsg))
1026                      .arg(anOtherFeatureNames.join(aSep));
1027   }
1028   if (!aParamFeatureNames.empty()) {
1029     const char* aMsg = "Parameters are used directly and through a sequence "
1030                        "of dependencies in the following features: %1.\nThese features will "
1031                        "be deleted.\nOr parameters could be replaced by their values.\n";
1032     aText += QString(QObject::tr(aMsg))
1033                      .arg(aParamFeatureNames.join(aSep));
1034     QPushButton *aReplaceButton =
1035       aMessageBox.addButton(QObject::tr("Replace"), QMessageBox::ActionRole);
1036   }
1037
1038   if (!aText.isEmpty()) {
1039     aText += "Would you like to continue?";
1040     aMessageBox.setText(aText);
1041     aMessageBox.exec();
1042     QMessageBox::ButtonRole aButtonRole = aMessageBox.buttonRole(aMessageBox.clickedButton());
1043
1044     if (aButtonRole == QMessageBox::NoRole)
1045       return false;
1046
1047     if (aButtonRole == QMessageBox::ActionRole) {
1048       foreach (FeaturePtr aObj, aParameterFeatures)
1049         ModelAPI_ReplaceParameterMessage::send(aObj, 0);
1050     }
1051     else
1052       theReferencesToDelete.insert(aFeaturesRefsToParameterOnly.begin(),
1053                                    aFeaturesRefsToParameterOnly.end());
1054   }
1055   return true;
1056 }
1057
1058 //**************************************************************
1059 void convertToFeatures(const QObjectPtrList& theObjects, std::set<FeaturePtr>& theFeatures)
1060 {
1061   QObjectPtrList::const_iterator anIt = theObjects.begin(), aLast = theObjects.end();
1062   for(; anIt != aLast; anIt++) {
1063     ObjectPtr anObject = *anIt;
1064     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anObject);
1065     // for parameter result, use the corresponded reature to be removed
1066     if (!aFeature.get() && anObject->groupName() == ModelAPI_ResultParameter::group()) {
1067       aFeature = ModelAPI_Feature::feature(anObject);
1068     }
1069     if (aFeature.get())
1070       theFeatures.insert(aFeature);
1071   }
1072 }
1073
1074 //**************************************************************
1075 void convertToFolders(const QObjectPtrList& theObjects,
1076                                          std::set<FolderPtr>& theFolders)
1077 {
1078   QObjectPtrList::const_iterator anIt = theObjects.begin(), aLast = theObjects.end();
1079   for(; anIt != aLast; anIt++) {
1080     ObjectPtr anObject = *anIt;
1081     FolderPtr aFeature = std::dynamic_pointer_cast<ModelAPI_Folder>(anObject);
1082     if (aFeature.get())
1083       theFolders.insert(aFeature);
1084   }
1085 }
1086
1087
1088 //**************************************************************
1089 QString translate(const Events_InfoMessage& theMessage)
1090 {
1091   QString aMessage;
1092
1093   if (!theMessage.empty()) {
1094     std::string aStr = Config_Translator::translate(theMessage);
1095     if (!aStr.empty()) {
1096       std::string aCodec = Config_Translator::codec(theMessage);
1097       aMessage = QTextCodec::codecForName(aCodec.c_str())->toUnicode(aStr.c_str());
1098     }
1099   }
1100
1101   return aMessage;
1102 }
1103
1104 QString translate(const std::string& theContext, const std::string& theMessage)
1105 {
1106   QString aMessage;
1107
1108   if (!theMessage.empty()) {
1109     std::string aStr = Config_Translator::translate(theContext, theMessage);
1110     if (!aStr.empty()) {
1111       std::string aCodec = Config_Translator::codec(theContext);
1112       aMessage = QTextCodec::codecForName(aCodec.c_str())->toUnicode(aStr.c_str());
1113     }
1114   }
1115
1116   return aMessage;
1117 }
1118
1119 void setPointBallHighlighting(AIS_Shape* theAIS)
1120 {
1121   static Handle(Image_AlienPixMap) aPixMap;
1122   if(aPixMap.IsNull()) {
1123     // Load icon for the presentation
1124     std::string aFile;
1125     char* anEnv = getenv("SHAPER_ROOT_DIR");
1126     if(anEnv) {
1127       aFile = std::string(anEnv) +
1128         FSEP + "share" + FSEP + "salome" + FSEP + "resources" + FSEP + "shaper";
1129     } else {
1130       anEnv = getenv("OPENPARTS_ROOT_DIR");
1131       if (anEnv)
1132         aFile = std::string(anEnv) + FSEP + "resources";
1133     }
1134
1135     aFile += FSEP;
1136     static const std::string aMarkerName = "marker_dot.png";
1137     aFile += aMarkerName;
1138     aPixMap = new Image_AlienPixMap();
1139     if(!aPixMap->Load(aFile.c_str())) {
1140       // The icon for constraint is not found
1141       static const std::string aMsg =
1142         "Error: Point market not found by path: \"" + aFile + "\". Falling back.";
1143       //Events_InfoMessage("ModuleBase_Tools::setPointBallHighlighting", aMsg).send();
1144     }
1145   }
1146
1147   Handle(Graphic3d_AspectMarker3d) anAspect;
1148   Handle(Prs3d_Drawer) aDrawer = theAIS->DynamicHilightAttributes();
1149   if (aDrawer.IsNull()) {
1150     if (ModuleBase_IViewer::DefaultHighlightDrawer.IsNull())
1151       return;
1152     aDrawer = new Prs3d_Drawer(*ModuleBase_IViewer::DefaultHighlightDrawer);
1153     if (!aDrawer->HasOwnPointAspect()) {
1154       aDrawer->SetPointAspect(new Prs3d_PointAspect(Aspect_TOM_BALL, Quantity_NOC_BLACK, 2.0));
1155     }
1156   }
1157   if(aDrawer->HasOwnPointAspect()) {
1158     Handle(Prs3d_PointAspect) aPntAspect = aDrawer->PointAspect();
1159     if(aPixMap->IsEmpty()) {
1160       anAspect = aPntAspect->Aspect();
1161       anAspect->SetType(Aspect_TOM_BALL);
1162     } else {
1163       if(aPixMap->Format() == Image_PixMap::ImgGray) {
1164         aPixMap->SetFormat (Image_PixMap::ImgAlpha);
1165       } else if(aPixMap->Format() == Image_PixMap::ImgGrayF) {
1166         aPixMap->SetFormat (Image_PixMap::ImgAlphaF);
1167       }
1168       anAspect = new Graphic3d_AspectMarker3d(aPixMap);
1169       aPntAspect->SetAspect(anAspect);
1170     }
1171     aDrawer->SetPointAspect(aPntAspect);
1172           theAIS->SetDynamicHilightAttributes(aDrawer);
1173   }
1174 }
1175
1176 FeaturePtr createParameter(const QString& theText)
1177 {
1178   FeaturePtr aParameter;
1179   QStringList aList = theText.split("=");
1180   if (aList.count() != 2) {
1181     return aParameter;
1182   }
1183   QString aParamName = aList.at(0).trimmed();
1184
1185   if (isNameExist(aParamName, FeaturePtr())) {
1186     return aParameter;
1187   }
1188
1189   if (!ModelAPI_Expression::isVariable(aParamName.toStdString())) {
1190     return aParameter;
1191   }
1192
1193   QString aExpression = aList.at(1).trimmed();
1194   if (aExpression.isEmpty()) {
1195     return aParameter;
1196   }
1197
1198   SessionPtr aMgr = ModelAPI_Session::get();
1199   std::shared_ptr<ModelAPI_Document> aDoc = aMgr->activeDocument();
1200
1201   aParameter = aDoc->addFeature("Parameter");
1202   if (aParameter.get()) {
1203     AttributeStringPtr aNameAttr = aParameter->string("variable");
1204     aNameAttr->setValue(aParamName.toStdString());
1205
1206     AttributeStringPtr aExprAttr = aParameter->string("expression");
1207     aExprAttr->setValue(aExpression.toStdString());
1208     aParameter->execute();
1209
1210     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
1211     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
1212   }
1213   return aParameter;
1214 }
1215
1216 void editParameter(FeaturePtr theParam, const QString& theText)
1217 {
1218   QStringList aList = theText.split("=");
1219   QString aParamName = aList.at(0).trimmed();
1220
1221   QString aExpression = aList.at(1).trimmed();
1222   if (aExpression.isEmpty()) {
1223     return;
1224   }
1225
1226   if (isNameExist(aParamName, theParam)) {
1227     return;
1228   }
1229   AttributeStringPtr aNameAttr = theParam->string("variable");
1230   aNameAttr->setValue(aParamName.toStdString());
1231
1232   AttributeStringPtr aExprAttr = theParam->string("expression");
1233   aExprAttr->setValue(aExpression.toStdString());
1234   theParam->execute();
1235
1236   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
1237 }
1238
1239 bool isNameExist(const QString& theName, FeaturePtr theIgnoreParameter)
1240 {
1241   SessionPtr aMgr = ModelAPI_Session::get();
1242   std::shared_ptr<ModelAPI_Document> aDoc = aMgr->activeDocument();
1243   FeaturePtr aParamFeature;
1244   int aNbFeatures = aDoc->numInternalFeatures();
1245   std::string aName = theName.toStdString();
1246   for (int i = 0; i < aNbFeatures; i++) {
1247     aParamFeature = aDoc->internalFeature(i);
1248     if (aParamFeature && aParamFeature->getKind() == "Parameter") {
1249       if ((theIgnoreParameter != aParamFeature) && (aParamFeature->name() == aName))
1250         return true;
1251     }
1252   }
1253   return false;
1254 }
1255
1256 FeaturePtr findParameter(const QString& theName)
1257 {
1258   SessionPtr aMgr = ModelAPI_Session::get();
1259   std::shared_ptr<ModelAPI_Document> aDoc = aMgr->activeDocument();
1260   FeaturePtr aParamFeature;
1261   int aNbFeatures = aDoc->numInternalFeatures();
1262   std::string aName = theName.toStdString();
1263   for (int i = 0; i < aNbFeatures; i++) {
1264     aParamFeature = aDoc->internalFeature(i);
1265     if (aParamFeature && aParamFeature->getKind() == "Parameter") {
1266       if (aParamFeature->name() == aName)
1267         return aParamFeature;
1268     }
1269   }
1270   return FeaturePtr();
1271 }
1272
1273
1274 //********************************************************************
1275 std::string generateName(const AttributePtr& theAttribute,
1276   ModuleBase_IWorkshop* theWorkshop)
1277 {
1278   std::string aName;
1279   if (theAttribute.get() != NULL) {
1280     ModuleBase_Operation* anOperation = theWorkshop->currentOperation();
1281
1282     FeaturePtr aFeature = ModelAPI_Feature::feature(theAttribute->owner());
1283     if (aFeature.get()) {
1284       std::string aXmlCfg, aDescription;
1285       theWorkshop->module()->getXMLRepresentation(aFeature->getKind(), aXmlCfg, aDescription);
1286
1287       ModuleBase_WidgetFactory aFactory(aXmlCfg, theWorkshop);
1288       std::string anAttributeTitle;
1289       aFactory.getAttributeTitle(theAttribute->id(), anAttributeTitle);
1290
1291       std::stringstream aStreamName;
1292       aStreamName << theAttribute->owner()->data()->name() << "/" << anAttributeTitle.c_str();
1293       aName = aStreamName.str();
1294     }
1295   }
1296   return aName;
1297 }
1298
1299 } // namespace ModuleBase_Tools
1300
1301