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   QModelIndex editIndex() const { return myEditingIdx; }
  59
  60 private:
  61   mutable QModelIndex myEditingIdx;
  62 };
  63
  64 bool ParametersPlugin_ItemDelegate::isEditable(const QModelIndex& theIndex) const
  65 {
  66   QModelIndex aParent = theIndex.parent();
  67   if (aParent.isValid() && (aParent.row() == 0)) {
  68     if (theIndex.column() == 2)
  69       return false;
  70   } else
  71     return false;
  72   return true;
  73 }
  74
  75 void ParametersPlugin_ItemDelegate::paint(QPainter* painter,
  76                                           const QStyleOptionViewItem& option,
  77                                           const QModelIndex& index ) const
  78 {
  79   QBrush aBrush = painter->brush();
  80   QPen aPen = painter->pen();
  81   if (!isEditable(index))
  82     painter->setBrush(Qt::lightGray);
  83
  84   painter->setPen(Qt::darkGray);
  85   painter->drawRect(option.rect);
  86   painter->setPen(aPen);
  87
  88   QStyledItemDelegate::paint(painter, option, index);
  89   painter->setBrush(aBrush);
  90 }
  91
  92 QWidget* ParametersPlugin_ItemDelegate::createEditor(QWidget* parent,
  93                                                      const QStyleOptionViewItem& option,
  94                                                      const QModelIndex& index) const
  95 {
  96   myEditingIdx = index;
  97   return QStyledItemDelegate::createEditor(parent, option, index);
  98 }
  99
 100
 101 /////////////////////////////////////////////////////////////////////////////////////////////////
 102
 103 ParametersPlugin_WidgetParamsMgr::ParametersPlugin_WidgetParamsMgr(QWidget* theParent, const Config_WidgetAPI* theData)
 104   : ModuleBase_ModelWidget(theParent, theData)
 105 {
 106   QVBoxLayout* aLayout = new QVBoxLayout(this);
 107
 108   myTable = new QTreeWidget(this);
 109   myTable->setColumnCount(4);
 110   QStringList aHeaders;
 111   aHeaders << tr("Name") << tr("Equation") << tr("Result") << tr("Comment");
 112   myTable->setHeaderLabels(aHeaders);
 113   myTable->setColumnWidth(Col_Name, 200);
 114   myTable->setColumnWidth(Col_Equation, 100);
 115   myTable->setColumnWidth(Col_Result, 80);
 116   myTable->setColumnWidth(Col_Comment, 200);
 117   myTable->setMinimumWidth(600);
 118   myTable->setEditTriggers(QAbstractItemView::NoEditTriggers);
 119   myTable->setSelectionMode(QAbstractItemView::SingleSelection);
 120
 121   connect(myTable, SIGNAL(doubleClicked(const QModelIndex&)),
 122           SLOT(onDoubleClick(const QModelIndex&)));
 123   connect(myTable, SIGNAL(itemSelectionChanged()), SLOT(onSelectionChanged()));
 124
 125   myDelegate = new ParametersPlugin_ItemDelegate(myTable);
 126   connect(myDelegate, SIGNAL(closeEditor(QWidget*, QAbstractItemDelegate::EndEditHint)),
 127           SLOT(onCloseEditor(QWidget*, QAbstractItemDelegate::EndEditHint)));
 128
 129   myTable->setItemDelegate(myDelegate);
 130   aLayout->addWidget(myTable);
 131
 132   // Define root nodes
 133   QStringList aNames;
 134   aNames<<tr("Parameters");
 135   myParameters = new QTreeWidgetItem(aNames);
 136   myTable->addTopLevelItem(myParameters);
 137
 138   aNames.clear();
 139   aNames<<tr("Features");
 140   myFeatures = new QTreeWidgetItem(aNames);
 141   myTable->addTopLevelItem(myFeatures);
 142
 143   QHBoxLayout* aBtnLayout = new QHBoxLayout(this);
 144
 145   myUpBtn = new QToolButton(this);
 146   myUpBtn->setArrowType(Qt::UpArrow);
 147   connect(myUpBtn, SIGNAL(clicked(bool)), SLOT(onUp()));
 148   aBtnLayout->addWidget(myUpBtn);
 149
 150   myDownBtn = new QToolButton(this);
 151   myDownBtn->setArrowType(Qt::DownArrow);
 152   connect(myDownBtn, SIGNAL(clicked(bool)), SLOT(onDown()));
 153   aBtnLayout->addWidget(myDownBtn);
 154
 155   aBtnLayout->addStretch();
 156
 157   myAddBtn = new QPushButton(tr("Add"), this);
 158   connect(myAddBtn, SIGNAL(clicked(bool)), SLOT(onAdd()));
 159   aBtnLayout->addWidget(myAddBtn);
 160
 161   myInsertBtn = new QPushButton(tr("Insert"), this);
 162   connect(myInsertBtn, SIGNAL(clicked(bool)), SLOT(onInsert()));
 163   aBtnLayout->addWidget(myInsertBtn);
 164
 165   myRemoveBtn = new QPushButton(tr("Remove"), this);
 166   connect(myRemoveBtn, SIGNAL(clicked(bool)), SLOT(onRemove()));
 167   aBtnLayout->addWidget(myRemoveBtn);
 168
 169   aLayout->addLayout(aBtnLayout);
 170
 171   onSelectionChanged();
 172 }
 173
 174 QList<QWidget*> ParametersPlugin_WidgetParamsMgr::getControls() const
 175 {
 176   QList<QWidget*> aList;
 177
 178   return aList;
 179 }
 180
 181 void ParametersPlugin_WidgetParamsMgr::selectItemScroll(QTreeWidgetItem* aItem)
 182 {
 183   myTable->clearSelection();
 184   QModelIndex aParent = myTable->model()->index(0, 0);
 185   int aChildIdx = myParameters->indexOfChild(aItem);
 186   QModelIndex aIndex = myTable->model()->index(aChildIdx, Col_Name, aParent);
 187   myTable->selectionModel()->select(aIndex,
 188     QItemSelectionModel::SelectCurrent | QItemSelectionModel::Rows);
 189   myTable->scrollToItem(aItem);
 190 }
 191
 192
 193 bool ParametersPlugin_WidgetParamsMgr::storeValueCustom()
 194 {
 195   ParametersPlugin_ExpressionValidator aValidator;
 196   std::list<std::string> aArgs;
 197   std::string aAttrId = ParametersPlugin_Parameter::VARIABLE_ID();
 198   std::string aErr;
 199   int aId = 0;
 200   foreach(FeaturePtr aFeature, myParametersList) {
 201     if (!aValidator.isValid(aFeature->attribute(aAttrId), aArgs, aErr)) {
 202       QMessageBox::warning(this, tr("Warning"), aErr.c_str());
 203       selectItemScroll(myParameters->child(aId));
 204       return false;
 205     }
 206     aId++;
 207   }
 208   return true;
 209 }
 210
 211 bool ParametersPlugin_WidgetParamsMgr::restoreValueCustom()
 212 {
 213   return true;
 214 }
 215
 216 void ParametersPlugin_WidgetParamsMgr::activateCustom()
 217 {
 218   updateParametersFeatures();
 219   updateParametersPart();
 220   updateFeaturesPart();
 221
 222   myFeatures->setExpanded(true);
 223   myParameters->setExpanded(true);
 224 }
 225
 226 void ParametersPlugin_WidgetParamsMgr::updateParametersFeatures()
 227 {
 228   myParametersList.clear();
 229   FeaturePtr aFeature = feature();
 230   DocumentPtr aDoc = aFeature->document();
 231   int aNbParam = aDoc->size(ModelAPI_ResultParameter::group());
 232   ObjectPtr aObj;
 233   FeaturePtr aParamFeature;
 234   for (int i = 0; i < aNbParam; i++) {
 235     aObj = aDoc->object(ModelAPI_ResultParameter::group(), i);
 236     aParamFeature = ModelAPI_Feature::feature(aObj);
 237     if (aParamFeature.get() && (aParamFeature->getKind() == ParametersPlugin_Parameter::ID())) {
 238       myParametersList.append(aParamFeature);
 239     }
 240   }
 241 }
 242
 243 void ParametersPlugin_WidgetParamsMgr::updateFeaturesPart()
 244 {
 245   updateItem(myFeatures, featuresItems(myParametersList));
 246 }
 247
 248 void ParametersPlugin_WidgetParamsMgr::updateParametersPart()
 249 {
 250   updateItem(myParameters, parametersItems(myParametersList));
 251 }
 252
 253
 254 QList<QStringList> ParametersPlugin_WidgetParamsMgr::
 255   featuresItems(const QList<FeaturePtr>& theFeatures) const
 256 {
 257   QList<QStringList> aItemsList;
 258   ResultParameterPtr aParam;
 259   foreach(FeaturePtr aParameter, theFeatures) {
 260     aParam = std::dynamic_pointer_cast<ModelAPI_ResultParameter>(aParameter->firstResult());
 261     const std::set<std::shared_ptr<ModelAPI_Attribute>>& aRefs = aParam->data()->refsToMe();
 262     std::set<std::shared_ptr<ModelAPI_Attribute> >::const_iterator aIt;
 263     for(aIt = aRefs.cbegin(); aIt != aRefs.cend(); aIt++) {
 264       std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 265       FeaturePtr aReferenced = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 266       if (aReferenced.get()) {
 267         if (aReferenced->getKind() == ParametersPlugin_Parameter::ID()) {
 268           // Find referenced feature Recursive
 269           QList<FeaturePtr> aList;
 270           aList.append(aReferenced);
 271           QList<QStringList> aItems = featuresItems(aList);
 272           aItemsList.append(aItems);
 273         } else {
 274           QStringList aValNames;
 275           aValNames << aReferenced->data()->name().c_str();
 276
 277           AttributeDoublePtr aDouble = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(aAttr);
 278           if (aDouble.get()) {
 279             aValNames << aDouble->text().c_str();
 280             aValNames << QString::number(aDouble->value());
 281           } else {
 282             AttributeIntegerPtr aInt = std::dynamic_pointer_cast<ModelAPI_AttributeInteger>(aAttr);
 283             if (aInt.get()) {
 284               aValNames << aInt->text().c_str();
 285               aValNames << QString::number(aInt->value());
 286             }
 287           }
 288           aItemsList.append(aValNames);
 289         }
 290       }
 291     }
 292   }
 293   return aItemsList;
 294 }
 295
 296
 297 QList<QStringList> ParametersPlugin_WidgetParamsMgr::
 298   parametersItems(const QList<FeaturePtr>& theFeatures) const
 299 {
 300   QList<QStringList> aItemsList;
 301   foreach(FeaturePtr aParameter, theFeatures) {
 302     ResultPtr aParam = aParameter->firstResult();
 303     QStringList aValues;
 304     aValues << aParameter->string(ParametersPlugin_Parameter::VARIABLE_ID())->value().c_str();
 305     aValues << aParameter->string(ParametersPlugin_Parameter::EXPRESSION_ID())->value().c_str();
 306
 307     AttributeDoublePtr aValueAttribute = aParam->data()->real(ModelAPI_ResultParameter::VALUE());
 308     aValues << QString::number(aValueAttribute->value());
 309
 310     aValues << aParameter->string(ParametersPlugin_Parameter::COMMENT_ID())->value().c_str();
 311     aItemsList.append(aValues);
 312   }
 313   return aItemsList;
 314 }
 315
 316
 317 void ParametersPlugin_WidgetParamsMgr::onDoubleClick(const QModelIndex& theIndex)
 318 {
 319   if (myDelegate->isEditable(theIndex)) {
 320     myTable->edit(theIndex);
 321   }
 322 }
 323
 324 void ParametersPlugin_WidgetParamsMgr::onCloseEditor(QWidget* theEditor,
 325                                                      QAbstractItemDelegate::EndEditHint theHint)
 326 {
 327   FeaturePtr aFeature = myParametersList.at(myDelegate->editIndex().row());
 328   QTreeWidgetItem* aItem = myParameters->child(myDelegate->editIndex().row());
 329   int aColumn = myDelegate->editIndex().column();
 330   QString aText = aItem->text(aColumn);
 331   bool isModified = false;
 332
 333   switch (aColumn) {
 334   case Col_Name:
 335     {
 336       AttributeStringPtr aStringAttr = aFeature->string(ParametersPlugin_Parameter::VARIABLE_ID());
 337       if (!aText.isEmpty()) {
 338         if (hasName(aText)) {
 339           myMessage = tr("Name %1 already exists.").arg(aText);
 340           if (aStringAttr->value().length() > 0)
 341             aItem->setText(Col_Name, aStringAttr->value().c_str());
 342           else
 343             aItem->setText(Col_Name, NoName);
 344           QTimer::singleShot(50, this, SLOT(sendWarning()));
 345           return;
 346         }
 347         aStringAttr->setValue(aText.toStdString());
 348         isModified = true;
 349       } else {
 350         aItem->setText(Col_Name, aStringAttr->value().c_str());
 351       }
 352     }
 353     break;
 354   case Col_Equation:
 355     {
 356       AttributeStringPtr aStringAttr = aFeature->string(ParametersPlugin_Parameter::EXPRESSION_ID());
 357       if (!aText.isEmpty()) {
 358         if (aText != aStringAttr->value().c_str()) {
 359           aStringAttr->setValue(aText.toStdString());
 360           isModified = true;
 361         }
 362       } else {
 363         aItem->setText(Col_Equation, aStringAttr->value().c_str());
 364       }
 365     }
 366     break;
 367   case Col_Comment:
 368     {
 369       AttributeStringPtr aStringAttr = aFeature->string(ParametersPlugin_Parameter::COMMENT_ID());
 370       aStringAttr->setValue(aText.toStdString());
 371       isModified = true;
 372     }
 373     break;
 374   }
 375
 376   if (!isModified)
 377     return;
 378   Events_Loop* aLoop = Events_Loop::loop();
 379   aLoop->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
 380   aLoop->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
 381   aLoop->flush(Events_Loop::eventByName(EVENT_OBJECT_DELETED));
 382
 383   ResultParameterPtr aResult =
 384     std::dynamic_pointer_cast<ModelAPI_ResultParameter>(aFeature->firstResult());
 385   if (aResult.get()) {
 386     AttributeDoublePtr aValueAttribute =
 387       aResult->data()->real(ModelAPI_ResultParameter::VALUE());
 388     aItem->setText(Col_Result, QString::number(aValueAttribute->value()));
 389   }
 390   if (aColumn == Col_Equation)
 391     updateParametersPart();
 392   updateFeaturesPart();
 393 }
 394
 395 void ParametersPlugin_WidgetParamsMgr::updateItem(QTreeWidgetItem* theItem,
 396                                                   const QList<QStringList>& theFeaturesList)
 397 {
 398   if (theFeaturesList.count() != theItem->childCount()) {
 399     if (theItem->childCount()  < theFeaturesList.count()) {
 400       while (theItem->childCount() != theFeaturesList.count())
 401         theItem->addChild(createNewItem());
 402     } else {
 403       while (theItem->childCount() != theFeaturesList.count())
 404         theItem->removeChild(theItem->child(theItem->childCount() - 1));
 405     }
 406   }
 407   int i = 0;
 408   foreach(QStringList aFeature, theFeaturesList) {
 409     int aCol = 0;
 410     foreach(QString aText, aFeature) {
 411       if (aText.length() > 0)
 412         theItem->child(i)->setText(aCol, aText);
 413       aCol++;
 414     }
 415     i++;
 416   }
 417 }
 418
 419 FeaturePtr ParametersPlugin_WidgetParamsMgr::createParameter() const
 420 {
 421   SessionPtr aMgr = ModelAPI_Session::get();
 422   std::shared_ptr<ModelAPI_Document> aDoc = aMgr->activeDocument();
 423
 424   FeaturePtr aFeature = aDoc->addFeature(ParametersPlugin_Parameter::ID());
 425   if (aFeature.get()) {
 426     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
 427     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
 428   }
 429   return aFeature;
 430 }
 431
 432
 433 QTreeWidgetItem* ParametersPlugin_WidgetParamsMgr::createNewItem() const
 434 {
 435   QStringList aValues;
 436   aValues << NoName;
 437   aValues << NoValue;
 438
 439   QTreeWidgetItem* aItem = new QTreeWidgetItem(aValues);
 440   aItem->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEditable | Qt::ItemIsEnabled);
 441   return aItem;
 442 }
 443
 444
 445 void ParametersPlugin_WidgetParamsMgr::onAdd()
 446 {
 447   FeaturePtr aFeature = createParameter();
 448   if (!aFeature.get())
 449     return;
 450
 451   QTreeWidgetItem* aItem = createNewItem();
 452   if (aFeature->name().length() > 0)
 453     aItem->setText(Col_Name, aFeature->name().c_str());
 454   myParameters->addChild(aItem);
 455   myParametersList.append(aFeature);
 456
 457   myTable->scrollToItem(aItem);
 458 }
 459
 460 QTreeWidgetItem* ParametersPlugin_WidgetParamsMgr::selectedItem() const
 461 {
 462   QList<QTreeWidgetItem*> aItemsList = myTable->selectedItems();
 463   if (aItemsList.count() == 0)
 464     return 0;
 465
 466   QTreeWidgetItem* aCurrentItem = aItemsList.first();
 467   if (aCurrentItem->parent() != myParameters)
 468     return 0;
 469
 470   return aCurrentItem;
 471 }
 472
 473
 474 void ParametersPlugin_WidgetParamsMgr::onInsert()
 475 {
 476   QTreeWidgetItem* aCurrentItem = selectedItem();
 477   if (!aCurrentItem)
 478     return;
 479
 480   SessionPtr aMgr = ModelAPI_Session::get();
 481   std::shared_ptr<ModelAPI_Document> aDoc = aMgr->activeDocument();
 482
 483   FeaturePtr aNewFeature = createParameter();
 484   if (!aNewFeature.get())
 485     return;
 486
 487   QTreeWidgetItem* aItem = createNewItem();
 488   int aCurrentPos = myParameters->indexOfChild(aCurrentItem);
 489   if (aCurrentPos == 0) {
 490     aDoc->moveFeature(aNewFeature, FeaturePtr());
 491   } else {
 492     FeaturePtr aCurFeature = myParametersList.at(aCurrentPos - 1);
 493     aDoc->moveFeature(aNewFeature, aCurFeature);
 494   }
 495   myParametersList.insert(aCurrentPos, aNewFeature);
 496   myParameters->insertChild(aCurrentPos, aItem);
 497 }
 498
 499 void ParametersPlugin_WidgetParamsMgr::onRemove()
 500 {
 501   QTreeWidgetItem* aCurrentItem = selectedItem();
 502   if (!aCurrentItem)
 503     return;
 504
 505   SessionPtr aMgr = ModelAPI_Session::get();
 506   std::shared_ptr<ModelAPI_Document> aDoc = aMgr->activeDocument();
 507
 508   int aCurrentPos = myParameters->indexOfChild(aCurrentItem);
 509   FeaturePtr aCurFeature = myParametersList.at(aCurrentPos);
 510
 511   QObjectPtrList anObjects;
 512   anObjects.append(aCurFeature);
 513
 514   std::set<FeaturePtr> aDirectRefFeatures, aIndirectRefFeatures;
 515   ModuleBase_Tools::findReferences(anObjects, aDirectRefFeatures, aIndirectRefFeatures);
 516
 517   bool doDeleteReferences = true;
 518   if (ModuleBase_Tools::isDeleteFeatureWithReferences(anObjects, aDirectRefFeatures,
 519       aIndirectRefFeatures, this, doDeleteReferences)) {
 520     myParametersList.removeOne(aCurFeature);
 521     myParameters->removeChild(aCurrentItem);
 522
 523     std::set<FeaturePtr> aFeaturesToDelete;
 524     if (doDeleteReferences) {
 525       aFeaturesToDelete = aDirectRefFeatures;
 526       aFeaturesToDelete.insert(aIndirectRefFeatures.begin(), aIndirectRefFeatures.end());
 527     }
 528     aDoc->removeFeature(aCurFeature);
 529     std::set<FeaturePtr>::const_iterator anIt = aFeaturesToDelete.begin(),
 530                                          aLast = aFeaturesToDelete.end();
 531     for (; anIt != aLast; anIt++) {
 532       FeaturePtr aFeature = (*anIt);
 533       DocumentPtr aDoc = aFeature->document();
 534       aDoc->removeFeature(aFeature);
 535     }
 536
 537     Events_Loop::loop()->flush(Events_Loop::loop()->eventByName(EVENT_OBJECT_DELETED));
 538     Events_Loop::loop()->flush(Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY));
 539     updateParametersFeatures();
 540     updateFeaturesPart();
 541     updateParametersPart();
 542   }
 543 }
 544
 545 void ParametersPlugin_WidgetParamsMgr::onUp()
 546 {
 547   QTreeWidgetItem* aCurrentItem = selectedItem();
 548   if (!aCurrentItem)
 549     return;
 550
 551   QString aName = aCurrentItem->text(0);
 552
 553   int aCurrentPos = myParameters->indexOfChild(aCurrentItem);
 554   if (aCurrentPos == 0)
 555     return;
 556   FeaturePtr aCurFeature = myParametersList.at(aCurrentPos);
 557
 558   std::string aNm = aCurFeature->data()->name();
 559
 560   SessionPtr aMgr = ModelAPI_Session::get();
 561   std::shared_ptr<ModelAPI_Document> aDoc = aMgr->activeDocument();
 562
 563   FeaturePtr aa = myParametersList.at(aCurrentPos - 1);
 564   std::string aN = aa->data()->name();
 565
 566   if (aCurrentPos == 1)
 567     aDoc->moveFeature(aCurFeature, FeaturePtr());
 568   else
 569     aDoc->moveFeature(aCurFeature, myParametersList.at(aCurrentPos - 2));
 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   //Events_Loop::loop()->flush(Events_Loop::loop()->eventByName(EVENT_OBJECT_UPDATED));
 580   //Events_Loop::loop()->flush(Events_Loop::loop()->eventByName(EVENT_OBJECT_DELETED));
 581   //Events_Loop::loop()->flush(Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY));
 582   //updateParametersFeatures();
 583   //updateParametersPart();
 584   //updateFeaturesPart();
 585 }
 586
 587 void ParametersPlugin_WidgetParamsMgr::onDown()
 588 {
 589   QTreeWidgetItem* aCurrentItem = selectedItem();
 590   if (!aCurrentItem)
 591     return;
 592
 593   int aCurrentPos = myParameters->indexOfChild(aCurrentItem);
 594   if (aCurrentPos == (myParametersList.count() - 1))
 595     return;
 596   FeaturePtr aCurFeature = myParametersList.at(aCurrentPos);
 597
 598   SessionPtr aMgr = ModelAPI_Session::get();
 599   std::shared_ptr<ModelAPI_Document> aDoc = aMgr->activeDocument();
 600   aDoc->moveFeature(aCurFeature, myParametersList.at(aCurrentPos + 1));
 601
 602   myParametersList.removeOne(aCurFeature);
 603   myParametersList.insert(aCurrentPos + 1, aCurFeature);
 604
 605   myParameters->removeChild(aCurrentItem);
 606   myParameters->insertChild(aCurrentPos + 1, aCurrentItem);
 607
 608   selectItemScroll(aCurrentItem);
 609
 610   //Events_Loop::loop()->flush(Events_Loop::loop()->eventByName(EVENT_OBJECT_UPDATED));
 611   //Events_Loop::loop()->flush(Events_Loop::loop()->eventByName(EVENT_OBJECT_DELETED));
 612   //Events_Loop::loop()->flush(Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY));
 613   //updateParametersFeatures();
 614   //updateParametersPart();
 615   //updateFeaturesPart();
 616 }
 617
 618
 619 bool ParametersPlugin_WidgetParamsMgr::hasName(const QString& theName) const
 620 {
 621   int aCurrent = myDelegate->editIndex().row();
 622   int i = 0;
 623   foreach(FeaturePtr aFeature, myParametersList) {
 624     if ((i != aCurrent) && (aFeature->data()->name() == theName.toStdString()))
 625       return true;
 626     i++;
 627   }
 628   return false;
 629 }
 630
 631 void ParametersPlugin_WidgetParamsMgr::sendWarning()
 632 {
 633   QMessageBox::warning(this, tr("Warning"), myMessage);
 634 }
 635
 636 void ParametersPlugin_WidgetParamsMgr::onSelectionChanged()
 637 {
 638   QList<QTreeWidgetItem*> aItemsList = myTable->selectedItems();
 639   bool isParameter = false;
 640   foreach(QTreeWidgetItem* aItem, aItemsList) {
 641     if (aItem->parent() == myParameters) {
 642       isParameter = true;
 643       break;
 644     }
 645   }
 646   myInsertBtn->setEnabled(isParameter);
 647   myRemoveBtn->setEnabled(isParameter);
 648   myUpBtn->setEnabled(isParameter);
 649   myDownBtn->setEnabled(isParameter);
 650 }