src/ParametersPlugin/ParametersPlugin_WidgetParamsMgr.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
   2
   3 // File:        ParametersPlugin_WidgetParamsMgr.cpp
   4 // Created:     11 Apr 2016
   5 // Author:      Vitaly SMETANNIKOV
   6
   7 #include "ParametersPlugin_WidgetParamsMgr.h"
   8 #include "ParametersPlugin_Parameter.h"
   9 #include "ParametersPlugin_Validators.h"
  10
  11 #include <ModelAPI_ResultParameter.h>
  12 #include <ModelAPI_AttributeString.h>
  13 #include <ModelAPI_AttributeRefList.h>
  14 #include <ModelAPI_AttributeDouble.h>
  15 #include <ModelAPI_AttributeInteger.h>
  16 #include <ModelAPI_Events.h>
  17 #include <ModelAPI_Session.h>
  18
  19 #include <ModuleBase_Tools.h>
  20
  21 #include <Events_Loop.h>
  22
  23 #include <QLayout>
  24 #include <QTreeWidget>
  25 #include <QPushButton>
  26 #include <QToolButton>
  27 #include <QStyledItemDelegate>
  28 #include <QPainter>
  29 #include <QMessageBox>
  30 #include <QTimer>
  31
  32 enum ColumnType {
  33   Col_Name,
  34   Col_Equation,
  35   Col_Result,
  36   Col_Comment
  37 };
  38
  39 const char* NoName = "<NoName>";
  40 const char* NoValue = "<NoValue>";
  41
  42 class ParametersPlugin_ItemDelegate : public QStyledItemDelegate
  43 {
  44 public:
  45   ParametersPlugin_ItemDelegate(QObject* thaParent) :
  46       QStyledItemDelegate(thaParent) {}
  47
  48   virtual void paint(QPainter* painter,
  49     const QStyleOptionViewItem& option,
  50     const QModelIndex& index ) const;
  51
  52   //virtual QWidget* createEditor(QWidget* parent,
  53   //                              const QStyleOptionViewItem& option,
  54   //                              const QModelIndex& index) const;
  55
  56   bool isEditable(const QModelIndex& theIndex) const;
  57 };
  58
  59 bool ParametersPlugin_ItemDelegate::isEditable(const QModelIndex& theIndex) const
  60 {
  61   QModelIndex aParent = theIndex.parent();
  62   if (aParent.isValid() && (aParent.row() == 0)) {
  63     if (theIndex.column() == 2)
  64       return false;
  65   } else
  66     return false;
  67   return true;
  68 }
  69
  70 void ParametersPlugin_ItemDelegate::paint(QPainter* painter,
  71                                           const QStyleOptionViewItem& option,
  72                                           const QModelIndex& index ) const
  73 {
  74   QBrush aBrush = painter->brush();
  75   QPen aPen = painter->pen();
  76   if (!isEditable(index))
  77     painter->setBrush(Qt::lightGray);
  78
  79   painter->setPen(Qt::darkGray);
  80   painter->drawRect(option.rect);
  81   painter->setPen(aPen);
  82
  83   QStyledItemDelegate::paint(painter, option, index);
  84   painter->setBrush(aBrush);
  85 }
  86
  87
  88 /////////////////////////////////////////////////////////////////////////////////////////////////
  89
  90 ParametersPlugin_WidgetParamsMgr::ParametersPlugin_WidgetParamsMgr(QWidget* theParent, const Config_WidgetAPI* theData)
  91   : ModuleBase_ModelWidget(theParent, theData)
  92 {
  93   QVBoxLayout* aLayout = new QVBoxLayout(this);
  94
  95   myTable = new QTreeWidget(this);
  96   myTable->setColumnCount(4);
  97   QStringList aHeaders;
  98   aHeaders << tr("Name") << tr("Equation") << tr("Result") << tr("Comment");
  99   myTable->setHeaderLabels(aHeaders);
 100   myTable->setColumnWidth(Col_Name, 200);
 101   myTable->setColumnWidth(Col_Equation, 100);
 102   myTable->setColumnWidth(Col_Result, 80);
 103   myTable->setColumnWidth(Col_Comment, 200);
 104   myTable->setMinimumWidth(600);
 105   myTable->setEditTriggers(QAbstractItemView::NoEditTriggers);
 106   myTable->setSelectionMode(QAbstractItemView::SingleSelection);
 107
 108   connect(myTable, SIGNAL(doubleClicked(const QModelIndex&)),
 109           SLOT(onDoubleClick(const QModelIndex&)));
 110   connect(myTable, SIGNAL(itemSelectionChanged()), SLOT(onSelectionChanged()));
 111
 112   myDelegate = new ParametersPlugin_ItemDelegate(myTable);
 113   connect(myDelegate, SIGNAL(closeEditor(QWidget*, QAbstractItemDelegate::EndEditHint)),
 114           SLOT(onCloseEditor(QWidget*, QAbstractItemDelegate::EndEditHint)));
 115
 116   myTable->setItemDelegate(myDelegate);
 117   aLayout->addWidget(myTable);
 118
 119   // Define root nodes
 120   QStringList aNames;
 121   aNames<<tr("Parameters");
 122   myParameters = new QTreeWidgetItem(aNames);
 123   myTable->addTopLevelItem(myParameters);
 124
 125   aNames.clear();
 126   aNames<<tr("Features");
 127   myFeatures = new QTreeWidgetItem(aNames);
 128   myTable->addTopLevelItem(myFeatures);
 129
 130   QHBoxLayout* aBtnLayout = new QHBoxLayout(this);
 131
 132   myUpBtn = new QToolButton(this);
 133   myUpBtn->setArrowType(Qt::UpArrow);
 134   connect(myUpBtn, SIGNAL(clicked(bool)), SLOT(onUp()));
 135   aBtnLayout->addWidget(myUpBtn);
 136
 137   myDownBtn = new QToolButton(this);
 138   myDownBtn->setArrowType(Qt::DownArrow);
 139   connect(myDownBtn, SIGNAL(clicked(bool)), SLOT(onDown()));
 140   aBtnLayout->addWidget(myDownBtn);
 141
 142   aBtnLayout->addStretch();
 143
 144   myAddBtn = new QPushButton(tr("Add"), this);
 145   connect(myAddBtn, SIGNAL(clicked(bool)), SLOT(onAdd()));
 146   aBtnLayout->addWidget(myAddBtn);
 147
 148   myInsertBtn = new QPushButton(tr("Insert"), this);
 149   connect(myInsertBtn, SIGNAL(clicked(bool)), SLOT(onInsert()));
 150   aBtnLayout->addWidget(myInsertBtn);
 151
 152   myRemoveBtn = new QPushButton(tr("Remove"), this);
 153   connect(myRemoveBtn, SIGNAL(clicked(bool)), SLOT(onRemove()));
 154   aBtnLayout->addWidget(myRemoveBtn);
 155
 156   aLayout->addLayout(aBtnLayout);
 157
 158   onSelectionChanged();
 159 }
 160
 161 QList<QWidget*> ParametersPlugin_WidgetParamsMgr::getControls() const
 162 {
 163   QList<QWidget*> aList;
 164
 165   return aList;
 166 }
 167
 168 void ParametersPlugin_WidgetParamsMgr::selectItemScroll(QTreeWidgetItem* aItem)
 169 {
 170   myTable->clearSelection();
 171   QModelIndex aParent = myTable->model()->index(0, 0);
 172   int aChildIdx = myParameters->indexOfChild(aItem);
 173   QModelIndex aIndex = myTable->model()->index(aChildIdx, Col_Name, aParent);
 174   myTable->selectionModel()->select(aIndex,
 175     QItemSelectionModel::SelectCurrent | QItemSelectionModel::Rows);
 176   myTable->scrollToItem(aItem);
 177 }
 178
 179
 180 bool ParametersPlugin_WidgetParamsMgr::storeValueCustom()
 181 {
 182   ParametersPlugin_ExpressionValidator aValidator;
 183   std::list<std::string> aArgs;
 184   std::string aAttrId = ParametersPlugin_Parameter::VARIABLE_ID();
 185   std::string aErr;
 186   int aId = 0;
 187   foreach(FeaturePtr aFeature, myParametersList) {
 188     if (!aValidator.isValid(aFeature->attribute(aAttrId), aArgs, aErr)) {
 189       QMessageBox::warning(this, tr("Warning"), aErr.c_str());
 190       selectItemScroll(myParameters->child(aId));
 191       return false;
 192     }
 193     aId++;
 194   }
 195   return true;
 196 }
 197
 198 bool ParametersPlugin_WidgetParamsMgr::restoreValueCustom()
 199 {
 200   return true;
 201 }
 202
 203 void ParametersPlugin_WidgetParamsMgr::activateCustom()
 204 {
 205   FeaturePtr aFeature = feature();
 206   DocumentPtr aDoc = aFeature->document();
 207   int aNbParam = aDoc->size(ModelAPI_ResultParameter::group());
 208   ObjectPtr aObj;
 209   FeaturePtr aParamFeature;
 210   for (int i = 0; i < aNbParam; i++) {
 211     aObj = aDoc->object(ModelAPI_ResultParameter::group(), i);
 212     aParamFeature = ModelAPI_Feature::feature(aObj);
 213     if (aParamFeature.get() && (aParamFeature->getKind() == ParametersPlugin_Parameter::ID())) {
 214       myParametersList.append(aParamFeature);
 215     }
 216   }
 217   updateParametersPart();
 218   updateFeaturesPart();
 219
 220   myFeatures->setExpanded(true);
 221   myParameters->setExpanded(true);
 222 }
 223
 224 void ParametersPlugin_WidgetParamsMgr::updateFeaturesPart()
 225 {
 226   updateItem(myFeatures, featuresItems(myParametersList));
 227 }
 228
 229 void ParametersPlugin_WidgetParamsMgr::updateParametersPart()
 230 {
 231   updateItem(myParameters, parametersItems(myParametersList));
 232 }
 233
 234
 235 QList<QStringList> ParametersPlugin_WidgetParamsMgr::
 236   featuresItems(const QList<FeaturePtr>& theFeatures) const
 237 {
 238   QList<QStringList> aItemsList;
 239   ResultParameterPtr aParam;
 240   foreach(FeaturePtr aParameter, theFeatures) {
 241     aParam = std::dynamic_pointer_cast<ModelAPI_ResultParameter>(aParameter->firstResult());
 242     const std::set<std::shared_ptr<ModelAPI_Attribute>>& aRefs = aParam->data()->refsToMe();
 243     std::set<std::shared_ptr<ModelAPI_Attribute> >::const_iterator aIt;
 244     for(aIt = aRefs.cbegin(); aIt != aRefs.cend(); aIt++) {
 245       std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 246       FeaturePtr aReferenced = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 247       if (aReferenced.get()) {
 248         if (aReferenced->getKind() == ParametersPlugin_Parameter::ID()) {
 249           // Find referenced feature Recursive
 250           QList<FeaturePtr> aList;
 251           aList.append(aReferenced);
 252           QList<QStringList> aItems = featuresItems(aList);
 253           aItemsList.append(aItems);
 254         } else {
 255           QStringList aValNames;
 256           aValNames << aReferenced->data()->name().c_str();
 257
 258           AttributeDoublePtr aDouble = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(aAttr);
 259           if (aDouble.get()) {
 260             aValNames << aDouble->text().c_str();
 261             aValNames << QString::number(aDouble->value());
 262           } else {
 263             AttributeIntegerPtr aInt = std::dynamic_pointer_cast<ModelAPI_AttributeInteger>(aAttr);
 264             if (aInt.get()) {
 265               aValNames << aInt->text().c_str();
 266               aValNames << QString::number(aInt->value());
 267             }
 268           }
 269           aItemsList.append(aValNames);
 270         }
 271       }
 272     }
 273   }
 274   return aItemsList;
 275 }
 276
 277
 278 QList<QStringList> ParametersPlugin_WidgetParamsMgr::
 279   parametersItems(const QList<FeaturePtr>& theFeatures) const
 280 {
 281   QList<QStringList> aItemsList;
 282   foreach(FeaturePtr aParameter, theFeatures) {
 283     ResultPtr aParam = aParameter->firstResult();
 284     QStringList aValues;
 285     aValues << aParameter->string(ParametersPlugin_Parameter::VARIABLE_ID())->value().c_str();
 286     aValues << aParameter->string(ParametersPlugin_Parameter::EXPRESSION_ID())->value().c_str();
 287
 288     AttributeDoublePtr aValueAttribute = aParam->data()->real(ModelAPI_ResultParameter::VALUE());
 289     aValues << QString::number(aValueAttribute->value());
 290
 291     aValues << aParameter->string(ParametersPlugin_Parameter::COMMENT_ID())->value().c_str();
 292     aItemsList.append(aValues);
 293   }
 294   return aItemsList;
 295 }
 296
 297
 298 void ParametersPlugin_WidgetParamsMgr::onDoubleClick(const QModelIndex& theIndex)
 299 {
 300   if (myDelegate->isEditable(theIndex)) {
 301     myTable->edit(theIndex);
 302     myEditingIndex = theIndex;
 303   }
 304 }
 305
 306 void ParametersPlugin_WidgetParamsMgr::onCloseEditor(QWidget* theEditor,
 307                                                      QAbstractItemDelegate::EndEditHint theHint)
 308 {
 309   FeaturePtr aFeature = myParametersList.at(myEditingIndex.row());
 310   QTreeWidgetItem* aItem = myParameters->child(myEditingIndex.row());
 311   int aColumn = myEditingIndex.column();
 312   QString aText = aItem->text(aColumn);
 313   bool isModified = false;
 314
 315   switch (aColumn) {
 316   case Col_Name:
 317     {
 318       AttributeStringPtr aStringAttr = aFeature->string(ParametersPlugin_Parameter::VARIABLE_ID());
 319       if (!aText.isEmpty()) {
 320         if (hasName(aText)) {
 321           myMessage = tr("Name %1 already exists.").arg(aText);
 322           aItem->setText(Col_Name, aStringAttr->value().c_str());
 323           QTimer::singleShot(50, this, SLOT(sendWarning()));
 324           return;
 325         }
 326         aStringAttr->setValue(aText.toStdString());
 327         isModified = true;
 328       } else {
 329         aItem->setText(Col_Name, aStringAttr->value().c_str());
 330       }
 331     }
 332     break;
 333   case Col_Equation:
 334     {
 335       AttributeStringPtr aStringAttr = aFeature->string(ParametersPlugin_Parameter::EXPRESSION_ID());
 336       if (!aText.isEmpty()) {
 337         if (aText != aStringAttr->value().c_str()) {
 338           aStringAttr->setValue(aText.toStdString());
 339           isModified = true;
 340         }
 341       } else {
 342         aItem->setText(Col_Equation, aStringAttr->value().c_str());
 343       }
 344     }
 345     break;
 346   case Col_Comment:
 347     {
 348       AttributeStringPtr aStringAttr = aFeature->string(ParametersPlugin_Parameter::COMMENT_ID());
 349       aStringAttr->setValue(aText.toStdString());
 350       isModified = true;
 351     }
 352     break;
 353   }
 354
 355   if (!isModified)
 356     return;
 357   Events_Loop* aLoop = Events_Loop::loop();
 358   aLoop->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
 359
 360   ResultParameterPtr aResult =
 361     std::dynamic_pointer_cast<ModelAPI_ResultParameter>(aFeature->firstResult());
 362   if (aResult.get()) {
 363     AttributeDoublePtr aValueAttribute =
 364       aResult->data()->real(ModelAPI_ResultParameter::VALUE());
 365     aItem->setText(Col_Result, QString::number(aValueAttribute->value()));
 366   }
 367   myEditingIndex = QModelIndex();
 368
 369   if (aColumn == Col_Equation)
 370     updateParametersPart();
 371   updateFeaturesPart();
 372 }
 373
 374 void ParametersPlugin_WidgetParamsMgr::updateItem(QTreeWidgetItem* theItem,
 375                                                   const QList<QStringList>& theFeaturesList)
 376 {
 377   if (theFeaturesList.count() != theItem->childCount()) {
 378     if (theItem->childCount()  < theFeaturesList.count()) {
 379       while (theItem->childCount() != theFeaturesList.count())
 380         theItem->addChild(createNewItem());
 381     } else {
 382       while (theItem->childCount() != theFeaturesList.count())
 383         theItem->removeChild(theItem->child(theItem->childCount() - 1));
 384     }
 385   }
 386   int i = 0;
 387   foreach(QStringList aFeature, theFeaturesList) {
 388     int aCol = 0;
 389     foreach(QString aText, aFeature) {
 390       theItem->child(i)->setText(aCol, aText);
 391       aCol++;
 392     }
 393     i++;
 394   }
 395 }
 396
 397 FeaturePtr ParametersPlugin_WidgetParamsMgr::createParameter() const
 398 {
 399   SessionPtr aMgr = ModelAPI_Session::get();
 400   std::shared_ptr<ModelAPI_Document> aDoc = aMgr->activeDocument();
 401
 402   FeaturePtr aFeature = aDoc->addFeature(ParametersPlugin_Parameter::ID());
 403   if (aFeature.get()) {
 404     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
 405     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
 406   }
 407   return aFeature;
 408 }
 409
 410
 411 QTreeWidgetItem* ParametersPlugin_WidgetParamsMgr::createNewItem() const
 412 {
 413   QStringList aValues;
 414   aValues << NoName;
 415   aValues << NoValue;
 416
 417   QTreeWidgetItem* aItem = new QTreeWidgetItem(aValues);
 418   aItem->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEditable | Qt::ItemIsEnabled);
 419   return aItem;
 420 }
 421
 422
 423 void ParametersPlugin_WidgetParamsMgr::onAdd()
 424 {
 425   FeaturePtr aFeature = createParameter();
 426   if (!aFeature.get())
 427     return;
 428
 429   QTreeWidgetItem* aItem = createNewItem();
 430   if (aFeature->name().length() > 0)
 431     aItem->setText(Col_Name, aFeature->name().c_str());
 432   myParameters->addChild(aItem);
 433   myParametersList.append(aFeature);
 434
 435   myTable->scrollToItem(aItem);
 436 }
 437
 438 QTreeWidgetItem* ParametersPlugin_WidgetParamsMgr::selectedItem() const
 439 {
 440   QList<QTreeWidgetItem*> aItemsList = myTable->selectedItems();
 441   if (aItemsList.count() == 0)
 442     return 0;
 443
 444   QTreeWidgetItem* aCurrentItem = aItemsList.first();
 445   if (aCurrentItem->parent() != myParameters)
 446     return 0;
 447
 448   return aCurrentItem;
 449 }
 450
 451
 452 void ParametersPlugin_WidgetParamsMgr::onInsert()
 453 {
 454   QTreeWidgetItem* aCurrentItem = selectedItem();
 455   if (!aCurrentItem)
 456     return;
 457
 458   SessionPtr aMgr = ModelAPI_Session::get();
 459   std::shared_ptr<ModelAPI_Document> aDoc = aMgr->activeDocument();
 460
 461   FeaturePtr aNewFeature = createParameter();
 462   if (!aNewFeature.get())
 463     return;
 464
 465   QTreeWidgetItem* aItem = createNewItem();
 466   int aCurrentPos = myParameters->indexOfChild(aCurrentItem);
 467   if (aCurrentPos == 0) {
 468     aDoc->moveFeature(aNewFeature, FeaturePtr());
 469   } else {
 470     FeaturePtr aCurFeature = myParametersList.at(aCurrentPos - 1);
 471     aDoc->moveFeature(aNewFeature, aCurFeature);
 472   }
 473   myParametersList.insert(aCurrentPos, aNewFeature);
 474   myParameters->insertChild(aCurrentPos, aItem);
 475 }
 476
 477 void ParametersPlugin_WidgetParamsMgr::onRemove()
 478 {
 479   QTreeWidgetItem* aCurrentItem = selectedItem();
 480   if (!aCurrentItem)
 481     return;
 482
 483   SessionPtr aMgr = ModelAPI_Session::get();
 484   std::shared_ptr<ModelAPI_Document> aDoc = aMgr->activeDocument();
 485
 486   int aCurrentPos = myParameters->indexOfChild(aCurrentItem);
 487   FeaturePtr aCurFeature = myParametersList.at(aCurrentPos);
 488
 489   QObjectPtrList anObjects;
 490   anObjects.append(aCurFeature);
 491
 492   std::set<FeaturePtr> aDirectRefFeatures, aIndirectRefFeatures;
 493   ModuleBase_Tools::findReferences(anObjects, aDirectRefFeatures, aIndirectRefFeatures);
 494
 495   bool doDeleteReferences = true;
 496   if (ModuleBase_Tools::isDeleteFeatureWithReferences(anObjects, aDirectRefFeatures,
 497       aIndirectRefFeatures, this, doDeleteReferences)) {
 498     myParametersList.removeOne(aCurFeature);
 499     myParameters->removeChild(aCurrentItem);
 500
 501     std::set<FeaturePtr> aFeaturesToDelete;
 502     if (doDeleteReferences) {
 503       aFeaturesToDelete = aDirectRefFeatures;
 504       aFeaturesToDelete.insert(aIndirectRefFeatures.begin(), aIndirectRefFeatures.end());
 505     }
 506     aDoc->removeFeature(aCurFeature);
 507     std::set<FeaturePtr>::const_iterator anIt = aFeaturesToDelete.begin(),
 508                                          aLast = aFeaturesToDelete.end();
 509     for (; anIt != aLast; anIt++) {
 510       FeaturePtr aFeature = (*anIt);
 511       DocumentPtr aDoc = aFeature->document();
 512       aDoc->removeFeature(aFeature);
 513     }
 514
 515     Events_Loop::loop()->flush(Events_Loop::loop()->eventByName(EVENT_OBJECT_DELETED));
 516     Events_Loop::loop()->flush(Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY));
 517     updateFeaturesPart();
 518   }
 519 }
 520
 521 void ParametersPlugin_WidgetParamsMgr::onUp()
 522 {
 523   QTreeWidgetItem* aCurrentItem = selectedItem();
 524   if (!aCurrentItem)
 525     return;
 526
 527   QString aName = aCurrentItem->text(0);
 528
 529   int aCurrentPos = myParameters->indexOfChild(aCurrentItem);
 530   if (aCurrentPos == 0)
 531     return;
 532   FeaturePtr aCurFeature = myParametersList.at(aCurrentPos);
 533
 534   std::string aNm = aCurFeature->data()->name();
 535
 536   SessionPtr aMgr = ModelAPI_Session::get();
 537   std::shared_ptr<ModelAPI_Document> aDoc = aMgr->activeDocument();
 538
 539   FeaturePtr aa = myParametersList.at(aCurrentPos - 1);
 540   std::string aN = aa->data()->name();
 541
 542   if (aCurrentPos == 1)
 543     aDoc->moveFeature(aCurFeature, FeaturePtr());
 544   else
 545     aDoc->moveFeature(aCurFeature, myParametersList.at(aCurrentPos - 2));
 546
 547   myParametersList.removeOne(aCurFeature);
 548   myParametersList.insert(aCurrentPos - 1, aCurFeature);
 549
 550   myParameters->removeChild(aCurrentItem);
 551   myParameters->insertChild(aCurrentPos - 1, aCurrentItem);
 552
 553   selectItemScroll(aCurrentItem);
 554 }
 555
 556 void ParametersPlugin_WidgetParamsMgr::onDown()
 557 {
 558   QTreeWidgetItem* aCurrentItem = selectedItem();
 559   if (!aCurrentItem)
 560     return;
 561
 562   int aCurrentPos = myParameters->indexOfChild(aCurrentItem);
 563   if (aCurrentPos == (myParametersList.count() - 1))
 564     return;
 565   FeaturePtr aCurFeature = myParametersList.at(aCurrentPos);
 566
 567   SessionPtr aMgr = ModelAPI_Session::get();
 568   std::shared_ptr<ModelAPI_Document> aDoc = aMgr->activeDocument();
 569   aDoc->moveFeature(aCurFeature, myParametersList.at(aCurrentPos + 1));
 570
 571   myParametersList.removeOne(aCurFeature);
 572   myParametersList.insert(aCurrentPos + 1, aCurFeature);
 573
 574   myParameters->removeChild(aCurrentItem);
 575   myParameters->insertChild(aCurrentPos + 1, aCurrentItem);
 576
 577   selectItemScroll(aCurrentItem);
 578 }
 579
 580
 581 bool ParametersPlugin_WidgetParamsMgr::hasName(const QString& theName) const
 582 {
 583   foreach(FeaturePtr aFeature, myParametersList) {
 584     if (aFeature->data()->name() == theName.toStdString())
 585       return true;
 586   }
 587   return false;
 588 }
 589
 590 void ParametersPlugin_WidgetParamsMgr::sendWarning()
 591 {
 592   QMessageBox::warning(this, tr("Warning"), myMessage);
 593 }
 594
 595 void ParametersPlugin_WidgetParamsMgr::onSelectionChanged()
 596 {
 597   QList<QTreeWidgetItem*> aItemsList = myTable->selectedItems();
 598   bool isParameter = false;
 599   foreach(QTreeWidgetItem* aItem, aItemsList) {
 600     if (aItem->parent() == myParameters) {
 601       isParameter = true;
 602       break;
 603     }
 604   }
 605   myInsertBtn->setEnabled(isParameter);
 606   myRemoveBtn->setEnabled(isParameter);
 607   myUpBtn->setEnabled(isParameter);
 608   myDownBtn->setEnabled(isParameter);
 609 }