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   //QString aText = index.data().toString();
  84   //if ((aText == NoName) || (aText == NoValue))
  85   //  painter->setPen(Qt::red);
  86
  87   QStyledItemDelegate::paint(painter, option, index);
  88
  89   //painter->setPen(aPen);
  90   painter->setBrush(aBrush);
  91 }
  92
  93
  94 //QWidget* ParametersPlugin_ItemDelegate::createEditor(QWidget* parent,
  95 //                                                    const QStyleOptionViewItem& option,
  96 //                                                    const QModelIndex& index) const
  97 //{
  98 //  QWidget* aWgt = QStyledItemDelegate::createEditor(parent, option, index);
  99 //  aWgt->setMinimumSize(option.rect.width() - option.decorationSize.width(),
 100 //                       option.rect.height());
 101 //  return aWgt;
 102 //}
 103
 104
 105 /////////////////////////////////////////////////////////////////////////////////////////////////
 106
 107 ParametersPlugin_WidgetParamsMgr::ParametersPlugin_WidgetParamsMgr(QWidget* theParent, const Config_WidgetAPI* theData)
 108   : ModuleBase_ModelWidget(theParent, theData)
 109 {
 110   QVBoxLayout* aLayout = new QVBoxLayout(this);
 111
 112   myTable = new QTreeWidget(this);
 113   myTable->setColumnCount(4);
 114   QStringList aHeaders;
 115   aHeaders << tr("Name") << tr("Equation") << tr("Result") << tr("Comment");
 116   myTable->setHeaderLabels(aHeaders);
 117   myTable->setColumnWidth(Col_Name, 200);
 118   myTable->setColumnWidth(Col_Equation, 100);
 119   myTable->setColumnWidth(Col_Result, 80);
 120   myTable->setColumnWidth(Col_Comment, 200);
 121   myTable->setMinimumWidth(600);
 122   myTable->setEditTriggers(QAbstractItemView::NoEditTriggers);
 123   myTable->setSelectionMode(QAbstractItemView::SingleSelection);
 124
 125   connect(myTable, SIGNAL(doubleClicked(const QModelIndex&)),
 126           SLOT(onDoubleClick(const QModelIndex&)));
 127   connect(myTable, SIGNAL(itemSelectionChanged()), SLOT(onSelectionChanged()));
 128
 129   myDelegate = new ParametersPlugin_ItemDelegate(myTable);
 130   connect(myDelegate, SIGNAL(closeEditor(QWidget*, QAbstractItemDelegate::EndEditHint)),
 131           SLOT(onCloseEditor(QWidget*, QAbstractItemDelegate::EndEditHint)));
 132
 133   myTable->setItemDelegate(myDelegate);
 134   aLayout->addWidget(myTable);
 135
 136   // Define root nodes
 137   QStringList aNames;
 138   aNames<<tr("Parameters");
 139   myParameters = new QTreeWidgetItem(aNames);
 140   myTable->addTopLevelItem(myParameters);
 141
 142   aNames.clear();
 143   aNames<<tr("Features");
 144   myFeatures = new QTreeWidgetItem(aNames);
 145   myTable->addTopLevelItem(myFeatures);
 146
 147   QHBoxLayout* aBtnLayout = new QHBoxLayout(this);
 148
 149   myUpBtn = new QToolButton(this);
 150   myUpBtn->setArrowType(Qt::UpArrow);
 151   connect(myUpBtn, SIGNAL(clicked(bool)), SLOT(onUp()));
 152   aBtnLayout->addWidget(myUpBtn);
 153
 154   myDownBtn = new QToolButton(this);
 155   myDownBtn->setArrowType(Qt::DownArrow);
 156   connect(myDownBtn, SIGNAL(clicked(bool)), SLOT(onDown()));
 157   aBtnLayout->addWidget(myDownBtn);
 158
 159   aBtnLayout->addStretch();
 160
 161   myAddBtn = new QPushButton(tr("Add"), this);
 162   connect(myAddBtn, SIGNAL(clicked(bool)), SLOT(onAdd()));
 163   aBtnLayout->addWidget(myAddBtn);
 164
 165   myInsertBtn = new QPushButton(tr("Insert"), this);
 166   connect(myInsertBtn, SIGNAL(clicked(bool)), SLOT(onInsert()));
 167   aBtnLayout->addWidget(myInsertBtn);
 168
 169   myRemoveBtn = new QPushButton(tr("Remove"), this);
 170   connect(myRemoveBtn, SIGNAL(clicked(bool)), SLOT(onRemove()));
 171   aBtnLayout->addWidget(myRemoveBtn);
 172
 173   aLayout->addLayout(aBtnLayout);
 174
 175   onSelectionChanged();
 176 }
 177
 178 QList<QWidget*> ParametersPlugin_WidgetParamsMgr::getControls() const
 179 {
 180   QList<QWidget*> aList;
 181
 182   return aList;
 183 }
 184
 185 void ParametersPlugin_WidgetParamsMgr::selectItemScroll(QTreeWidgetItem* aItem)
 186 {
 187   myTable->clearSelection();
 188   QModelIndex aParent = myTable->model()->index(0, 0);
 189   int aChildIdx = myParameters->indexOfChild(aItem);
 190   QModelIndex aIndex = myTable->model()->index(aChildIdx, Col_Name, aParent);
 191   myTable->selectionModel()->select(aIndex,
 192     QItemSelectionModel::SelectCurrent | QItemSelectionModel::Rows);
 193   myTable->scrollToItem(aItem);
 194 }
 195
 196
 197 bool ParametersPlugin_WidgetParamsMgr::storeValueCustom()
 198 {
 199   ParametersPlugin_ExpressionValidator aValidator;
 200   std::list<std::string> aArgs;
 201   std::string aAttrId = ParametersPlugin_Parameter::VARIABLE_ID();
 202   std::string aErr;
 203   int aId = 0;
 204   foreach(FeaturePtr aFeature, myParametersList) {
 205     if (!aValidator.isValid(aFeature->attribute(aAttrId), aArgs, aErr)) {
 206       QMessageBox::warning(this, tr("Warning"), aErr.c_str());
 207       selectItemScroll(myParameters->child(aId));
 208       return false;
 209     }
 210     aId++;
 211   }
 212   return true;
 213 }
 214
 215 bool ParametersPlugin_WidgetParamsMgr::restoreValueCustom()
 216 {
 217   return true;
 218 }
 219
 220 void ParametersPlugin_WidgetParamsMgr::activateCustom()
 221 {
 222   FeaturePtr aFeature = feature();
 223   DocumentPtr aDoc = aFeature->document();
 224   int aNbParam = aDoc->size(ModelAPI_ResultParameter::group());
 225   ObjectPtr aObj;
 226   QTreeWidgetItem* aItem;
 227   ResultParameterPtr aParam;
 228   FeaturePtr aParamFeature;
 229   for (int i = 0; i < aNbParam; i++) {
 230     aObj = aDoc->object(ModelAPI_ResultParameter::group(), i);
 231     aParam = std::dynamic_pointer_cast<ModelAPI_ResultParameter>(aObj);
 232     if (aParam.get()) {
 233       // Set parameter feature
 234       aParamFeature = ModelAPI_Feature::feature(aParam);
 235
 236       QStringList aValues;
 237       aValues << aParamFeature->string(ParametersPlugin_Parameter::VARIABLE_ID())->value().c_str();
 238       aValues << aParamFeature->string(ParametersPlugin_Parameter::EXPRESSION_ID())->value().c_str();
 239
 240       AttributeDoublePtr aValueAttribute = aParam->data()->real(ModelAPI_ResultParameter::VALUE());
 241       aValues << QString::number(aValueAttribute->value());
 242
 243       aValues << aParamFeature->string(ParametersPlugin_Parameter::COMMENT_ID())->value().c_str();
 244
 245       aItem = new QTreeWidgetItem(aValues);
 246       aItem->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEditable | Qt::ItemIsEnabled);
 247       myParameters->addChild(aItem);
 248
 249       myParametersList.append(aParamFeature);
 250     }
 251   }
 252   updateFeaturesPart();
 253
 254   myFeatures->setExpanded(true);
 255   myParameters->setExpanded(true);
 256 }
 257
 258
 259 QList<QStringList> ParametersPlugin_WidgetParamsMgr::
 260   featuresItems(const QList<FeaturePtr>& theFeatures) const
 261 {
 262   QList<QStringList> aItemsList;
 263   ResultParameterPtr aParam;
 264   foreach(FeaturePtr aParameter, theFeatures) {
 265     aParam = std::dynamic_pointer_cast<ModelAPI_ResultParameter>(aParameter->firstResult());
 266     const std::set<std::shared_ptr<ModelAPI_Attribute>>& aRefs = aParam->data()->refsToMe();
 267     std::set<std::shared_ptr<ModelAPI_Attribute> >::const_iterator aIt;
 268     for(aIt = aRefs.cbegin(); aIt != aRefs.cend(); aIt++) {
 269       std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 270       FeaturePtr aReferenced = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 271       if (aReferenced.get()) {
 272         if (aReferenced->getKind() == ParametersPlugin_Parameter::ID()) {
 273           // Find referenced feature Recursive
 274           QList<FeaturePtr> aList;
 275           aList.append(aReferenced);
 276           QList<QStringList> aItems = featuresItems(aList);
 277           aItemsList.append(aItems);
 278         } else {
 279           QStringList aValNames;
 280           aValNames << aReferenced->data()->name().c_str();
 281
 282           AttributeDoublePtr aDouble = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(aAttr);
 283           if (aDouble.get()) {
 284             aValNames << aDouble->text().c_str();
 285             aValNames << QString::number(aDouble->value());
 286           } else {
 287             AttributeIntegerPtr aInt = std::dynamic_pointer_cast<ModelAPI_AttributeInteger>(aAttr);
 288             if (aInt.get()) {
 289               aValNames << aInt->text().c_str();
 290               aValNames << QString::number(aInt->value());
 291             }
 292           }
 293           aItemsList.append(aValNames);
 294         }
 295       }
 296     }
 297   }
 298   return aItemsList;
 299 }
 300
 301
 302 void ParametersPlugin_WidgetParamsMgr::onDoubleClick(const QModelIndex& theIndex)
 303 {
 304   if (myDelegate->isEditable(theIndex)) {
 305     myTable->edit(theIndex);
 306     myEditingIndex = theIndex;
 307   }
 308 }
 309
 310 void ParametersPlugin_WidgetParamsMgr::onCloseEditor(QWidget* theEditor,
 311                                                      QAbstractItemDelegate::EndEditHint theHint)
 312 {
 313   FeaturePtr aFeature = myParametersList.at(myEditingIndex.row());
 314   QTreeWidgetItem* aItem = myParameters->child(myEditingIndex.row());
 315   int aColumn = myEditingIndex.column();
 316   QString aText = aItem->text(aColumn);
 317   bool isModified = false;
 318
 319   switch (aColumn) {
 320   case Col_Name:
 321     {
 322       AttributeStringPtr aStringAttr = aFeature->string(ParametersPlugin_Parameter::VARIABLE_ID());
 323       if (!aText.isEmpty()) {
 324         if (hasName(aText)) {
 325           myMessage = tr("Name %1 already exists.").arg(aText);
 326           aItem->setText(Col_Name, aStringAttr->value().c_str());
 327           QTimer::singleShot(50, this, SLOT(sendWarning()));
 328           return;
 329         }
 330         aStringAttr->setValue(aText.toStdString());
 331         isModified = true;
 332       } else {
 333         aItem->setText(Col_Name, aStringAttr->value().c_str());
 334       }
 335     }
 336     break;
 337   case Col_Equation:
 338     {
 339       AttributeStringPtr aStringAttr = aFeature->string(ParametersPlugin_Parameter::EXPRESSION_ID());
 340       if (!aText.isEmpty()) {
 341         if (aText != aStringAttr->value().c_str()) {
 342           aStringAttr->setValue(aText.toStdString());
 343           isModified = true;
 344         }
 345       } else {
 346         aItem->setText(Col_Equation, aStringAttr->value().c_str());
 347       }
 348     }
 349     break;
 350   case Col_Comment:
 351     {
 352       AttributeStringPtr aStringAttr = aFeature->string(ParametersPlugin_Parameter::COMMENT_ID());
 353       aStringAttr->setValue(aText.toStdString());
 354       isModified = true;
 355     }
 356     break;
 357   }
 358
 359   if (!isModified)
 360     return;
 361   Events_Loop* aLoop = Events_Loop::loop();
 362   aLoop->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
 363
 364   ResultParameterPtr aResult =
 365     std::dynamic_pointer_cast<ModelAPI_ResultParameter>(aFeature->firstResult());
 366   if (aResult.get()) {
 367     AttributeDoublePtr aValueAttribute =
 368       aResult->data()->real(ModelAPI_ResultParameter::VALUE());
 369     aItem->setText(Col_Result, QString::number(aValueAttribute->value()));
 370   }
 371   myEditingIndex = QModelIndex();
 372   updateFeaturesPart();
 373 }
 374
 375 void ParametersPlugin_WidgetParamsMgr::updateFeaturesPart()
 376 {
 377   QList<QStringList> aFeaturesList = featuresItems(myParametersList);
 378   if (aFeaturesList.count() != myFeatures->childCount()) {
 379     if (myFeatures->childCount()  < aFeaturesList.count()) {
 380       while (myFeatures->childCount() != aFeaturesList.count())
 381         myFeatures->addChild(new QTreeWidgetItem());
 382     } else {
 383       while (myFeatures->childCount() != aFeaturesList.count())
 384         myFeatures->removeChild(myFeatures->child(myFeatures->childCount() - 1));
 385     }
 386   }
 387   int i = 0;
 388   foreach(QStringList aFeature, aFeaturesList) {
 389     int aCol = 0;
 390     foreach(QString aText, aFeature) {
 391       myFeatures->child(i)->setText(aCol, aText);
 392       aCol++;
 393     }
 394     i++;
 395   }
 396 }
 397
 398 FeaturePtr ParametersPlugin_WidgetParamsMgr::createParameter() const
 399 {
 400   SessionPtr aMgr = ModelAPI_Session::get();
 401   std::shared_ptr<ModelAPI_Document> aDoc = aMgr->activeDocument();
 402
 403   FeaturePtr aFeature = aDoc->addFeature(ParametersPlugin_Parameter::ID());
 404   if (aFeature.get()) {
 405     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
 406     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
 407   }
 408   return aFeature;
 409 }
 410
 411
 412 QTreeWidgetItem* ParametersPlugin_WidgetParamsMgr::createNewItem() const
 413 {
 414   QStringList aValues;
 415   aValues << NoName;
 416   aValues << NoValue;
 417
 418   QTreeWidgetItem* aItem = new QTreeWidgetItem(aValues);
 419   aItem->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEditable | Qt::ItemIsEnabled);
 420   return aItem;
 421 }
 422
 423
 424 void ParametersPlugin_WidgetParamsMgr::onAdd()
 425 {
 426   FeaturePtr aFeature = createParameter();
 427   if (!aFeature.get())
 428     return;
 429
 430   QTreeWidgetItem* aItem = createNewItem();
 431   if (aFeature->name().length() > 0)
 432     aItem->setText(Col_Name, aFeature->name().c_str());
 433   myParameters->addChild(aItem);
 434   myParametersList.append(aFeature);
 435
 436   myTable->scrollToItem(aItem);
 437 }
 438
 439 QTreeWidgetItem* ParametersPlugin_WidgetParamsMgr::selectedItem() const
 440 {
 441   QList<QTreeWidgetItem*> aItemsList = myTable->selectedItems();
 442   if (aItemsList.count() == 0)
 443     return 0;
 444
 445   QTreeWidgetItem* aCurrentItem = aItemsList.first();
 446   if (aCurrentItem->parent() != myParameters)
 447     return 0;
 448
 449   return aCurrentItem;
 450 }
 451
 452
 453 void ParametersPlugin_WidgetParamsMgr::onInsert()
 454 {
 455   QTreeWidgetItem* aCurrentItem = selectedItem();
 456   if (!aCurrentItem)
 457     return;
 458
 459   SessionPtr aMgr = ModelAPI_Session::get();
 460   std::shared_ptr<ModelAPI_Document> aDoc = aMgr->activeDocument();
 461
 462   FeaturePtr aNewFeature = createParameter();
 463   if (!aNewFeature.get())
 464     return;
 465
 466   QTreeWidgetItem* aItem = createNewItem();
 467   int aCurrentPos = myParameters->indexOfChild(aCurrentItem);
 468   if (aCurrentPos == 0) {
 469     aDoc->moveFeature(aNewFeature, FeaturePtr());
 470   } else {
 471     FeaturePtr aCurFeature = myParametersList.at(aCurrentPos - 1);
 472     aDoc->moveFeature(aNewFeature, aCurFeature);
 473   }
 474   myParametersList.insert(aCurrentPos, aNewFeature);
 475   myParameters->insertChild(aCurrentPos, aItem);
 476 }
 477
 478 void ParametersPlugin_WidgetParamsMgr::onRemove()
 479 {
 480   QTreeWidgetItem* aCurrentItem = selectedItem();
 481   if (!aCurrentItem)
 482     return;
 483
 484   SessionPtr aMgr = ModelAPI_Session::get();
 485   std::shared_ptr<ModelAPI_Document> aDoc = aMgr->activeDocument();
 486
 487   int aCurrentPos = myParameters->indexOfChild(aCurrentItem);
 488   FeaturePtr aCurFeature = myParametersList.at(aCurrentPos);
 489
 490   QObjectPtrList anObjects;
 491   anObjects.append(aCurFeature);
 492
 493   std::set<FeaturePtr> aDirectRefFeatures, aIndirectRefFeatures;
 494   ModuleBase_Tools::findReferences(anObjects, aDirectRefFeatures, aIndirectRefFeatures);
 495
 496   bool doDeleteReferences = true;
 497   if (ModuleBase_Tools::isDeleteFeatureWithReferences(anObjects, aDirectRefFeatures,
 498       aIndirectRefFeatures, this, doDeleteReferences)) {
 499     myParametersList.removeOne(aCurFeature);
 500     myParameters->removeChild(aCurrentItem);
 501
 502     std::set<FeaturePtr> aFeaturesToDelete;
 503     if (doDeleteReferences) {
 504       aFeaturesToDelete = aDirectRefFeatures;
 505       aFeaturesToDelete.insert(aIndirectRefFeatures.begin(), aIndirectRefFeatures.end());
 506     }
 507     aDoc->removeFeature(aCurFeature);
 508     std::set<FeaturePtr>::const_iterator anIt = aFeaturesToDelete.begin(),
 509                                          aLast = aFeaturesToDelete.end();
 510     for (; anIt != aLast; anIt++) {
 511       FeaturePtr aFeature = (*anIt);
 512       DocumentPtr aDoc = aFeature->document();
 513       aDoc->removeFeature(aFeature);
 514     }
 515
 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 }