src/ParametersPlugin/ParametersPlugin_WidgetParamsMgr.cpp

   1 // Copyright (C) 2014-2020  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19
  20 #include "ParametersPlugin_WidgetParamsMgr.h"
  21 #include "ParametersPlugin_Parameter.h"
  22 #include "ParametersPlugin_Validators.h"
  23
  24 #include <Events_InfoMessage.h>
  25
  26 #include <ModelAPI_ResultParameter.h>
  27 #include <ModelAPI_AttributeString.h>
  28 #include <ModelAPI_AttributeRefList.h>
  29 #include <ModelAPI_AttributeDouble.h>
  30 #include <ModelAPI_AttributeInteger.h>
  31 #include <ModelAPI_Events.h>
  32 #include <ModelAPI_Session.h>
  33 #include <ModelAPI_Tools.h>
  34 #include <ModelAPI_Expression.h>
  35
  36 #include <GeomDataAPI_Point.h>
  37 #include <GeomDataAPI_Point2D.h>
  38
  39 #include <ModuleBase_Tools.h>
  40 #include <ModuleBase_IWorkshop.h>
  41 #include <ModuleBase_IViewer.h>
  42
  43 #include <Events_Loop.h>
  44 #include <Config_PropManager.h>
  45
  46 #include <QLayout>
  47 #include <QPushButton>
  48 #include <QToolButton>
  49 #include <QStyledItemDelegate>
  50 #include <QPainter>
  51 #include <QMessageBox>
  52 #include <QTimer>
  53 #include <QEvent>
  54 #include <QKeyEvent>
  55 #include <QDialogButtonBox>
  56 #include <QShortcut>
  57
  58 enum ColumnType {
  59   Col_Name,
  60   Col_Equation,
  61   Col_Result,
  62   Col_Comment
  63 };
  64
  65 const char* NoName = "<NoName>";
  66 const char* NoValue = "<NoValue>";
  67
  68 /*!
  69  * \ingroup GUI
  70  * ItemDelegate object in order to redefine items behavior
  71  */
  72 class ParametersPlugin_ItemDelegate : public QStyledItemDelegate
  73 {
  74 public:
  75   /// Constructor
  76   /// \param thaParent a parent
  77   ParametersPlugin_ItemDelegate(QObject* thaParent) :
  78       QStyledItemDelegate(thaParent) {}
  79
  80   /// Redefinition of virtual method
  81   /// \param painter a painter object
  82   /// \param option the item options
  83   /// \param index the current index
  84   virtual void paint(QPainter* painter,
  85     const QStyleOptionViewItem& option,
  86     const QModelIndex& index ) const;
  87
  88   /// Redefinition of virtual method
  89   /// \param parent a parent widget
  90   /// \param option the item options
  91   /// \param index the current index
  92   virtual QWidget* createEditor(QWidget* parent,
  93                                 const QStyleOptionViewItem& option,
  94                                 const QModelIndex& index) const;
  95
  96   /// Returns True if the given index is editable item
  97   /// \param theIndex an item index
  98   bool isEditable(const QModelIndex& theIndex) const;
  99
 100   /// Returns currently editing index
 101   QModelIndex editIndex() const { return myEditingIdx; }
 102
 103 private:
 104   mutable QModelIndex myEditingIdx;
 105 };
 106
 107 bool ParametersPlugin_ItemDelegate::isEditable(const QModelIndex& theIndex) const
 108 {
 109   QModelIndex aParent = theIndex.parent();
 110   if (aParent.isValid() && (aParent.row() == 0)) {
 111     if (theIndex.column() == 2)
 112       return false;
 113   } else
 114     return false;
 115   return true;
 116 }
 117
 118 void ParametersPlugin_ItemDelegate::paint(QPainter* painter,
 119                                           const QStyleOptionViewItem& option,
 120                                           const QModelIndex& index ) const
 121 {
 122   QBrush aBrush = painter->brush();
 123   QPen aPen = painter->pen();
 124   //if (!isEditable(index))
 125   //  painter->setBrush(Qt::lightGray);
 126   if (!index.parent().isValid())
 127     painter->setBrush(Qt::lightGray);
 128
 129   painter->setPen(Qt::lightGray);
 130   painter->drawRect(option.rect);
 131   painter->setPen(aPen);
 132
 133   QStyledItemDelegate::paint(painter, option, index);
 134   painter->setBrush(aBrush);
 135 }
 136
 137 QWidget* ParametersPlugin_ItemDelegate::createEditor(QWidget* parent,
 138                                                      const QStyleOptionViewItem& option,
 139                                                      const QModelIndex& index) const
 140 {
 141   myEditingIdx = index;
 142   return QStyledItemDelegate::createEditor(parent, option, index);
 143 }
 144
 145 /////////////////////////////////////////////////////////////////////////////////////////////////
 146 void ParametersPlugin_TreeWidget::closeEditor(QWidget* theEditor,
 147                                               QAbstractItemDelegate::EndEditHint theHint)
 148 {
 149   if (theHint == QAbstractItemDelegate::EditNextItem) {
 150     QModelIndex aCurrent = currentIndex();
 151     QModelIndex aParent = model()->index(0, 0);
 152     int aNbRows = model()->rowCount(aParent);
 153     QModelIndex aIdx;
 154     switch (aCurrent.column()) {
 155     case 0:
 156       aIdx = model()->index(aCurrent.row(), 1, aParent);
 157       break;
 158     case 1:
 159       if (aCurrent.row() < (aNbRows - 1))
 160         aIdx = model()->index(aCurrent.row() + 1, 0, aParent);
 161       else {
 162         QTreeWidget::closeEditor(theEditor, QAbstractItemDelegate::NoHint);
 163         return;
 164       }
 165       break;
 166     case 3:
 167       QTreeWidget::closeEditor(theEditor, theHint);
 168       return;
 169     }
 170     if (aIdx.isValid()) {
 171       QTreeWidget::closeEditor(theEditor, QAbstractItemDelegate::NoHint);
 172       setCurrentIndex(aIdx);
 173       edit(aIdx);
 174       return;
 175     }
 176   }
 177   QTreeWidget::closeEditor(theEditor, theHint);
 178 }
 179
 180 /////////////////////////////////////////////////////////////////////////////////////////////////
 181
 182 ParametersPlugin_WidgetParamsMgr::ParametersPlugin_WidgetParamsMgr(QWidget* theParent,
 183   const Config_WidgetAPI* theData, ModuleBase_IWorkshop* theWorkshop)
 184   : ModuleBase_ModelDialogWidget(theParent, theData),
 185   myWorkshop(theWorkshop), isUpplyBlocked(false)
 186 {
 187   QVBoxLayout* aLayout = new QVBoxLayout(this);
 188
 189   myTable = new ParametersPlugin_TreeWidget(this);
 190   myTable->setColumnCount(4);
 191   QStringList aHeaders;
 192   aHeaders << translate("Name") << translate("Expression")
 193            << translate("Result") << translate("Comment");
 194   myTable->setHeaderLabels(aHeaders);
 195   myTable->setColumnWidth(Col_Name, 200);
 196   myTable->setColumnWidth(Col_Equation, 100);
 197   myTable->setColumnWidth(Col_Result, 80);
 198   myTable->setColumnWidth(Col_Comment, 200);
 199   myTable->setMinimumWidth(600);
 200   myTable->setEditTriggers(QAbstractItemView::NoEditTriggers);
 201   myTable->setSelectionMode(QAbstractItemView::SingleSelection);
 202
 203   connect(myTable, SIGNAL(doubleClicked(const QModelIndex&)),
 204           SLOT(onDoubleClick(const QModelIndex&)));
 205   connect(myTable, SIGNAL(itemSelectionChanged()), SLOT(onSelectionChanged()));
 206
 207   myDelegate = new ParametersPlugin_ItemDelegate(myTable);
 208   connect(myDelegate, SIGNAL(closeEditor(QWidget*, QAbstractItemDelegate::EndEditHint)),
 209           SLOT(onCloseEditor(QWidget*, QAbstractItemDelegate::EndEditHint)));
 210
 211   myTable->setItemDelegate(myDelegate);
 212   aLayout->addWidget(myTable);
 213
 214   // Define root nodes
 215   QStringList aNames;
 216   aNames<<translate("Parameters");
 217   myParameters = new QTreeWidgetItem(aNames);
 218   myParameters->setFlags(Qt::ItemIsEnabled);
 219   myTable->addTopLevelItem(myParameters);
 220
 221   aNames.clear();
 222   aNames<<translate("Features");
 223   myFeatures = new QTreeWidgetItem(aNames);
 224   myFeatures->setFlags(Qt::ItemIsEnabled);
 225   myTable->addTopLevelItem(myFeatures);
 226
 227   QHBoxLayout* aBtnLayout = new QHBoxLayout(this);
 228
 229   myUpBtn = new QToolButton(this);
 230   myUpBtn->setArrowType(Qt::UpArrow);
 231   connect(myUpBtn, SIGNAL(clicked(bool)), SLOT(onUp()));
 232   aBtnLayout->addWidget(myUpBtn);
 233
 234   myDownBtn = new QToolButton(this);
 235   myDownBtn->setArrowType(Qt::DownArrow);
 236   connect(myDownBtn, SIGNAL(clicked(bool)), SLOT(onDown()));
 237   aBtnLayout->addWidget(myDownBtn);
 238
 239   aBtnLayout->addStretch();
 240
 241   myAddBtn = new QPushButton(translate("Add"), this);
 242   connect(myAddBtn, SIGNAL(clicked(bool)), SLOT(onAdd()));
 243   aBtnLayout->addWidget(myAddBtn);
 244
 245   QString aAddStr(Config_PropManager::string("Shortcuts", "add_parameter_shortcut").c_str());
 246   if (aAddStr.isEmpty())
 247     aAddStr = "Ctrl+A";
 248
 249   QShortcut* aAddShc = new QShortcut(QKeySequence(aAddStr), myAddBtn);
 250   connect(aAddShc, SIGNAL(activated()), SLOT(onAdd()));
 251
 252   myInsertBtn = new QPushButton(translate("Insert"), this);
 253   connect(myInsertBtn, SIGNAL(clicked(bool)), SLOT(onInsert()));
 254   aBtnLayout->addWidget(myInsertBtn);
 255
 256   myRemoveBtn = new QPushButton(translate("Remove"), this);
 257   connect(myRemoveBtn, SIGNAL(clicked(bool)), SLOT(onRemove()));
 258   aBtnLayout->addWidget(myRemoveBtn);
 259
 260   aLayout->addLayout(aBtnLayout);
 261
 262   onSelectionChanged();
 263 }
 264
 265 void ParametersPlugin_WidgetParamsMgr::setDialogButtons(QDialogButtonBox* theButtons)
 266 {
 267   ModuleBase_ModelDialogWidget::setDialogButtons(theButtons);
 268
 269   QWidget* aBtnParentWgt = myOkCancelBtn->parentWidget();
 270   QHBoxLayout* aBtnParentLayout = dynamic_cast<QHBoxLayout*>(aBtnParentWgt->layout());
 271
 272   QPushButton* aPreviewBtn = new QPushButton(translate("See preview"), aBtnParentWgt);
 273   aBtnParentLayout->insertWidget(0, aPreviewBtn);
 274   aBtnParentLayout->insertStretch(1, 1);
 275   connect(aPreviewBtn, SIGNAL(clicked(bool)), SLOT(onShowPreview()));
 276 }
 277
 278
 279 QList<QWidget*> ParametersPlugin_WidgetParamsMgr::getControls() const
 280 {
 281   QList<QWidget*> aList;
 282
 283   return aList;
 284 }
 285
 286 void ParametersPlugin_WidgetParamsMgr::selectItemScroll(QTreeWidgetItem* aItem)
 287 {
 288   myTable->clearSelection();
 289   QModelIndex aParent = myTable->model()->index(0, 0);
 290   int aChildIdx = myParameters->indexOfChild(aItem);
 291   QModelIndex aIndex = myTable->model()->index(aChildIdx, Col_Name, aParent);
 292   myTable->selectionModel()->select(aIndex,
 293     QItemSelectionModel::SelectCurrent | QItemSelectionModel::Rows);
 294   myTable->scrollToItem(aItem);
 295 }
 296
 297
 298 bool ParametersPlugin_WidgetParamsMgr::storeValueCustom()
 299 {
 300   ParametersPlugin_ExpressionValidator aValidator;
 301   std::list<std::string> aArgs;
 302   std::string aAttrId = ParametersPlugin_Parameter::VARIABLE_ID();
 303   Events_InfoMessage aErr;
 304   int aId = 0;
 305   foreach(FeaturePtr aFeature, myParametersList) {
 306     if (!aValidator.isValid(aFeature->attribute(aAttrId), aArgs, aErr)) {
 307       QMessageBox::warning(this, translate("Warning"), aErr.messageString().c_str());
 308       selectItemScroll(myParameters->child(aId));
 309       return false;
 310     }
 311     aId++;
 312   }
 313   // #2813 : make the current feature the latest in the document
 314   std::list<FeaturePtr> allFeatures = myFeature->document()->allFeatures();
 315   if (!allFeatures.empty()) {
 316     myFeature->document()->setCurrentFeature(*(allFeatures.rbegin()), true);
 317   }
 318   return true;
 319 }
 320
 321 bool ParametersPlugin_WidgetParamsMgr::restoreValueCustom()
 322 {
 323   return true;
 324 }
 325
 326 void ParametersPlugin_WidgetParamsMgr::activateCustom()
 327 {
 328   updateParametersFeatures();
 329   updateParametersPart();
 330   updateFeaturesPart();
 331
 332   myFeatures->setExpanded(true);
 333   myParameters->setExpanded(true);
 334 }
 335
 336 void ParametersPlugin_WidgetParamsMgr::updateParametersFeatures()
 337 {
 338   myParametersList.clear();
 339   FeaturePtr aFeature = feature();
 340   DocumentPtr aDoc = aFeature->document();
 341   ObjectPtr aObj;
 342   FeaturePtr aParamFeature;
 343   int aNbFeatures = aDoc->numInternalFeatures();
 344   for (int i = 0; i < aNbFeatures; i++) {
 345     aParamFeature = aDoc->internalFeature(i);
 346     if (aParamFeature && aParamFeature->getKind() == ParametersPlugin_Parameter::ID()) {
 347       myParametersList.append(aParamFeature);
 348     }
 349   }
 350 }
 351
 352 void ParametersPlugin_WidgetParamsMgr::updateFeaturesPart()
 353 {
 354   QList<FeaturePtr> aFeatureList;
 355   updateItem(myFeatures, featuresItems(myParametersList, aFeatureList));
 356 }
 357
 358 void ParametersPlugin_WidgetParamsMgr::updateParametersPart()
 359 {
 360   updateItem(myParameters, parametersItems(myParametersList));
 361   bool aIsValid = isValid();
 362   enableButtons(aIsValid);
 363 }
 364
 365
 366 QList<QStringList> ParametersPlugin_WidgetParamsMgr::
 367   featuresItems(const QList<FeaturePtr>& theFeatures, QList<FeaturePtr>& theFeatureList) const
 368 {
 369   QList<QStringList> aItemsList;
 370   ResultParameterPtr aParam;
 371   foreach(FeaturePtr aParameter, theFeatures) {
 372     aParam = std::dynamic_pointer_cast<ModelAPI_ResultParameter>(aParameter->firstResult());
 373     const std::set<std::shared_ptr<ModelAPI_Attribute>>& aRefs = aParam->data()->refsToMe();
 374     std::set<std::shared_ptr<ModelAPI_Attribute> >::const_iterator aIt;
 375     for(aIt = aRefs.cbegin(); aIt != aRefs.cend(); aIt++) {
 376       std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 377       FeaturePtr aReferenced = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 378       if (aReferenced.get() && (aReferenced != aParameter)) {
 379         if (aReferenced->getKind() == ParametersPlugin_Parameter::ID()) {
 380           // Find referenced feature Recursive
 381           QList<FeaturePtr> aList;
 382           aList.append(aReferenced);
 383           QList<QStringList> aItems = featuresItems(aList, theFeatureList);
 384           aItemsList.append(aItems);
 385         } else {
 386           if (!theFeatureList.contains(aReferenced)) {
 387             QStringList aValNames;
 388             aValNames << aReferenced->data()->name().c_str();
 389
 390             std::string aId = aAttr->attributeType();
 391             if (aId == ModelAPI_AttributeDouble::typeId()) {
 392               AttributeDoublePtr aDouble =
 393                 std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(aAttr);
 394               aValNames << aDouble->text().c_str();
 395               aValNames << QString::number(aDouble->value());
 396             }
 397             else if (aId == ModelAPI_AttributeInteger::typeId()) {
 398               AttributeIntegerPtr aInt =
 399                 std::dynamic_pointer_cast<ModelAPI_AttributeInteger>(aAttr);
 400               aValNames << aInt->text().c_str();
 401               aValNames << QString::number(aInt->value());
 402             }
 403             else if (aId == GeomDataAPI_Point::typeId()) {
 404               std::shared_ptr<GeomDataAPI_Point> aPnt =
 405                 std::dynamic_pointer_cast<GeomDataAPI_Point>(aAttr);
 406
 407               QString aExpr = QString("%1,%2,%3").arg(aPnt->textX().c_str()).
 408                 arg(aPnt->textY().c_str()).arg(aPnt->textZ().c_str());
 409               aValNames << aExpr;
 410
 411               QString aRes = QString("%1,%2,%3").arg(aPnt->x()).arg(aPnt->y()).arg(aPnt->z());
 412               aValNames << aRes;
 413             }
 414             else if (aId == GeomDataAPI_Point2D::typeId()) {
 415               std::shared_ptr<GeomDataAPI_Point2D> aPnt =
 416                 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aAttr);
 417
 418               QString aExpr = QString("%1,%2").arg(aPnt->textX().c_str()).
 419                 arg(aPnt->textY().c_str());
 420               aValNames << aExpr;
 421
 422               QString aRes = QString("%1,%2").arg(aPnt->x()).arg(aPnt->y());
 423               aValNames << aRes;
 424             }
 425             aItemsList.append(aValNames);
 426             theFeatureList.append(aReferenced);
 427           }
 428         }
 429       }
 430     }
 431   }
 432   return aItemsList;
 433 }
 434
 435
 436 QList<QStringList> ParametersPlugin_WidgetParamsMgr::
 437   parametersItems(const QList<FeaturePtr>& theFeatures) const
 438 {
 439   std::list<std::string> aArgs;
 440   std::string aErr;
 441   QList<QStringList> aItemsList;
 442   foreach(FeaturePtr aParameter, theFeatures) {
 443     ResultPtr aParam = aParameter->firstResult();
 444     QStringList aValues;
 445
 446     std::string aName = aParameter->string(ParametersPlugin_Parameter::VARIABLE_ID())->value();
 447     if (aName.empty()) {
 448       aValues << translate(NoName);
 449     } else
 450       aValues << aName.c_str();
 451
 452     std::string aExpr = aParameter->string(ParametersPlugin_Parameter::EXPRESSION_ID())->value();
 453     if (aName.empty()) {
 454       aValues << translate(NoValue);
 455     } else
 456       aValues << aExpr.c_str();
 457
 458     aErr = aParameter->data()->string(ParametersPlugin_Parameter::EXPRESSION_ERROR_ID())->value();
 459     if (aErr.empty()) {
 460       AttributeDoublePtr aValueAttribute = aParam->data()->real(ModelAPI_ResultParameter::VALUE());
 461       aValues << QString::number(aValueAttribute->value());
 462     } else {
 463       aValues << aErr.c_str();
 464     }
 465     aValues << aParameter->string(ParametersPlugin_Parameter::COMMENT_ID())->value().c_str();
 466     aItemsList.append(aValues);
 467   }
 468   return aItemsList;
 469 }
 470
 471
 472 void ParametersPlugin_WidgetParamsMgr::onDoubleClick(const QModelIndex& theIndex)
 473 {
 474   if (myDelegate->isEditable(theIndex)) {
 475     myTable->setCurrentIndex(theIndex);
 476     myTable->edit(theIndex);
 477   }
 478 }
 479
 480 void ParametersPlugin_WidgetParamsMgr::onCloseEditor(QWidget* theEditor,
 481                                                      QAbstractItemDelegate::EndEditHint theHint)
 482 {
 483   FeaturePtr aFeature = myParametersList.at(myDelegate->editIndex().row());
 484   QTreeWidgetItem* aItem = myParameters->child(myDelegate->editIndex().row());
 485   int aColumn = myDelegate->editIndex().column();
 486   QString aText = aItem->text(aColumn);
 487   bool isModified = false;
 488
 489   switch (aColumn) {
 490   case Col_Name:
 491     {
 492       AttributeStringPtr aStringAttr = aFeature->string(ParametersPlugin_Parameter::VARIABLE_ID());
 493       if (!aText.isEmpty()) {
 494         while (aText.indexOf(" ") != -1) {
 495           aText.replace(" ", "");
 496         }
 497         if (hasName(aText)) {
 498           myMessage = translate("Name '%1' already exists.").arg(aText);
 499           QTimer::singleShot(50, this, SLOT(sendWarning()));
 500           return;
 501         }
 502         aStringAttr->setValue(aText.toStdString());
 503         isModified = true;
 504       }
 505     }
 506     break;
 507   case Col_Equation:
 508     {
 509       AttributeStringPtr aStringAttr =
 510         aFeature->string(ParametersPlugin_Parameter::EXPRESSION_ID());
 511       if (!aText.isEmpty()) {
 512         if (aText != aStringAttr->value().c_str()) {
 513           aStringAttr->setValue(aText.toStdString());
 514           aFeature->execute();
 515           isModified = true;
 516         }
 517       }
 518     }
 519     break;
 520   case Col_Comment:
 521     {
 522       AttributeStringPtr aStringAttr = aFeature->string(ParametersPlugin_Parameter::COMMENT_ID());
 523       aStringAttr->setValue(aText.toStdString());
 524       isModified = true;
 525     }
 526     break;
 527   }
 528
 529   if (!isModified)
 530     return;
 531   Events_Loop* aLoop = Events_Loop::loop();
 532   aLoop->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
 533   aLoop->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
 534   aLoop->flush(Events_Loop::eventByName(EVENT_OBJECT_DELETED));
 535
 536   if (aColumn != Col_Comment)
 537     updateParametersPart();
 538   updateFeaturesPart();
 539
 540   onSelectionChanged();
 541 }
 542
 543 void ParametersPlugin_WidgetParamsMgr::updateItem(QTreeWidgetItem* theItem,
 544                                                   const QList<QStringList>& theFeaturesList)
 545 {
 546   if (theFeaturesList.count() != theItem->childCount()) {
 547     if (theItem->childCount()  < theFeaturesList.count()) {
 548       while (theItem->childCount() != theFeaturesList.count())
 549         theItem->addChild(createNewItem(theItem));
 550     } else {
 551       while (theItem->childCount() != theFeaturesList.count())
 552         theItem->removeChild(theItem->child(theItem->childCount() - 1));
 553     }
 554   }
 555   int i = 0;
 556   foreach(QStringList aFeature, theFeaturesList) {
 557     int aCol = 0;
 558     foreach(QString aText, aFeature) {
 559       if (aText.length() > 0) {
 560         theItem->child(i)->setText(aCol, aText);
 561         theItem->child(i)->setToolTip(aCol, aText);
 562       }
 563       aCol++;
 564     }
 565     i++;
 566   }
 567 }
 568
 569 FeaturePtr ParametersPlugin_WidgetParamsMgr::createParameter() const
 570 {
 571   SessionPtr aMgr = ModelAPI_Session::get();
 572   std::shared_ptr<ModelAPI_Document> aDoc = aMgr->activeDocument();
 573
 574   FeaturePtr aFeature = aDoc->addFeature(ParametersPlugin_Parameter::ID());
 575   if (aFeature.get()) {
 576     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
 577     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
 578   }
 579   return aFeature;
 580 }
 581
 582
 583 QTreeWidgetItem* ParametersPlugin_WidgetParamsMgr::createNewItem(QTreeWidgetItem* theParent) const
 584 {
 585   QStringList aValues;
 586   aValues << translate(NoName);
 587   aValues << translate(NoValue);
 588
 589   QTreeWidgetItem* aItem = new QTreeWidgetItem(aValues);
 590   if (theParent == myParameters) {
 591     aItem->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEditable | Qt::ItemIsEnabled);
 592     aItem->setForeground(2, Qt::darkGray);
 593   } else
 594     aItem->setFlags(Qt::NoItemFlags);
 595   return aItem;
 596 }
 597
 598
 599 void ParametersPlugin_WidgetParamsMgr::onAdd()
 600 {
 601   FeaturePtr aFeature = createParameter();
 602   if (!aFeature.get())
 603     return;
 604
 605   myParametersList.append(aFeature);
 606   updateParametersPart();
 607
 608   QTreeWidgetItem* aItem = myParameters->child(myParameters->childCount() - 1);
 609
 610   myTable->scrollToItem(aItem);
 611   myTable->setCurrentItem(aItem);
 612   myTable->editItem(aItem);
 613
 614   enableButtons(false);
 615 }
 616
 617 QTreeWidgetItem* ParametersPlugin_WidgetParamsMgr::selectedItem() const
 618 {
 619   QList<QTreeWidgetItem*> aItemsList = myTable->selectedItems();
 620   if (aItemsList.count() == 0)
 621     return 0;
 622
 623   QTreeWidgetItem* aCurrentItem = aItemsList.first();
 624   if (aCurrentItem->parent() != myParameters)
 625     return 0;
 626
 627   return aCurrentItem;
 628 }
 629
 630
 631 void ParametersPlugin_WidgetParamsMgr::onInsert()
 632 {
 633   QTreeWidgetItem* aCurrentItem = selectedItem();
 634   if (!aCurrentItem)
 635     return;
 636
 637   SessionPtr aMgr = ModelAPI_Session::get();
 638   std::shared_ptr<ModelAPI_Document> aDoc = aMgr->activeDocument();
 639
 640   FeaturePtr aNewFeature = createParameter();
 641   if (!aNewFeature.get())
 642     return;
 643
 644   int aCurrentPos = myParameters->indexOfChild(aCurrentItem);
 645   if (aCurrentPos == 0) {
 646     aDoc->moveFeature(aNewFeature, FeaturePtr());
 647   } else {
 648     FeaturePtr aCurFeature = myParametersList.at(aCurrentPos - 1);
 649     aDoc->moveFeature(aNewFeature, aCurFeature);
 650   }
 651   updateParametersFeatures();
 652   updateParametersPart();
 653
 654   myTable->scrollToItem(aCurrentItem);
 655   myTable->setCurrentItem(aCurrentItem);
 656   myTable->editItem(aCurrentItem);
 657 }
 658
 659 void ParametersPlugin_WidgetParamsMgr::onRemove()
 660 {
 661   QTreeWidgetItem* aCurrentItem = selectedItem();
 662   if (!aCurrentItem)
 663     return;
 664
 665   SessionPtr aMgr = ModelAPI_Session::get();
 666   std::shared_ptr<ModelAPI_Document> aDoc = aMgr->activeDocument();
 667
 668   int aCurrentPos = myParameters->indexOfChild(aCurrentItem);
 669   FeaturePtr aCurFeature = myParametersList.at(aCurrentPos);
 670
 671   QObjectPtrList anObjects;
 672   anObjects.append(aCurFeature);
 673
 674   std::map<FeaturePtr, std::set<FeaturePtr> > aReferences;
 675   std::set<FeaturePtr> aFeatures;
 676   ModuleBase_Tools::convertToFeatures(anObjects, aFeatures);
 677   ModelAPI_Tools::findAllReferences(aFeatures, aReferences);
 678
 679   std::set<FeaturePtr> aFeatureRefsToDelete;
 680   if (ModuleBase_Tools::askToDelete(aFeatures, aReferences, this, aFeatureRefsToDelete)) {
 681     if (!aFeatureRefsToDelete.empty())
 682       aFeatures.insert(aFeatureRefsToDelete.begin(), aFeatureRefsToDelete.end());
 683     ModelAPI_Tools::removeFeatures(aFeatures, false);
 684
 685     Events_Loop::loop()->flush(Events_Loop::loop()->eventByName(EVENT_OBJECT_DELETED));
 686     Events_Loop::loop()->flush(Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY));
 687     updateParametersFeatures();
 688     updateFeaturesPart();
 689     updateParametersPart();
 690   }
 691 }
 692
 693 void ParametersPlugin_WidgetParamsMgr::onUp()
 694 {
 695   QTreeWidgetItem* aCurrentItem = selectedItem();
 696   if (!aCurrentItem)
 697     return;
 698
 699   int aCurrentPos = myParameters->indexOfChild(aCurrentItem);
 700   if (aCurrentPos == 0)
 701     return;
 702   FeaturePtr aCurFeature = myParametersList.at(aCurrentPos);
 703
 704   SessionPtr aMgr = ModelAPI_Session::get();
 705   std::shared_ptr<ModelAPI_Document> aDoc = aMgr->activeDocument();
 706
 707   if (aCurrentPos == 1)
 708     aDoc->moveFeature(aCurFeature, FeaturePtr());
 709   else
 710     aDoc->moveFeature(aCurFeature, myParametersList.at(aCurrentPos - 2));
 711
 712   // add the updated also the feature that goes down
 713   Events_Loop::loop()->flush(Events_Loop::loop()->eventByName(EVENT_OBJECT_CREATED));
 714   static Events_ID EVENT_UPD = Events_Loop::loop()->eventByName(EVENT_OBJECT_UPDATED);
 715   ModelAPI_EventCreator::get()->sendUpdated(myParametersList.at(aCurrentPos - 1), EVENT_UPD);
 716   Events_Loop::loop()->flush(EVENT_UPD);
 717   Events_Loop::loop()->flush(Events_Loop::loop()->eventByName(EVENT_OBJECT_CREATED));
 718   Events_Loop::loop()->flush(Events_Loop::loop()->eventByName(EVENT_OBJECT_DELETED));
 719   Events_Loop::loop()->flush(Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY));
 720   updateParametersFeatures();
 721   updateParametersPart();
 722   updateFeaturesPart();
 723
 724   if (aCurrentPos > 0) {
 725     aCurrentItem = myParameters->child(aCurrentPos - 1);
 726     myTable->setCurrentItem(aCurrentItem);
 727     selectItemScroll(aCurrentItem);
 728   }
 729 }
 730
 731 void ParametersPlugin_WidgetParamsMgr::onDown()
 732 {
 733   QTreeWidgetItem* aCurrentItem = selectedItem();
 734   if (!aCurrentItem)
 735     return;
 736
 737   int aCurrentPos = myParameters->indexOfChild(aCurrentItem);
 738   if (aCurrentPos == (myParametersList.count() - 1))
 739     return;
 740   FeaturePtr aCurFeature = myParametersList.at(aCurrentPos);
 741
 742   SessionPtr aMgr = ModelAPI_Session::get();
 743   std::shared_ptr<ModelAPI_Document> aDoc = aMgr->activeDocument();
 744   aDoc->moveFeature(aCurFeature, myParametersList.at(aCurrentPos + 1));
 745   // add the updated also the feature that goes up
 746   static Events_ID EVENT_UPD = Events_Loop::loop()->eventByName(EVENT_OBJECT_UPDATED);
 747   ModelAPI_EventCreator::get()->sendUpdated(myParametersList.at(aCurrentPos + 1), EVENT_UPD);
 748
 749   Events_Loop::loop()->flush(Events_Loop::loop()->eventByName(EVENT_OBJECT_CREATED));
 750   Events_Loop::loop()->flush(Events_Loop::loop()->eventByName(EVENT_OBJECT_UPDATED));
 751   Events_Loop::loop()->flush(Events_Loop::loop()->eventByName(EVENT_OBJECT_CREATED));
 752   Events_Loop::loop()->flush(Events_Loop::loop()->eventByName(EVENT_OBJECT_DELETED));
 753   Events_Loop::loop()->flush(Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY));
 754   updateParametersFeatures();
 755   updateParametersPart();
 756   updateFeaturesPart();
 757
 758   if (aCurrentPos < myParameters->childCount() - 1) {
 759     aCurrentItem = myParameters->child(aCurrentPos + 1);
 760     myTable->setCurrentItem(aCurrentItem);
 761     selectItemScroll(aCurrentItem);
 762   }
 763 }
 764
 765
 766 bool ParametersPlugin_WidgetParamsMgr::hasName(const QString& theName) const
 767 {
 768   int aCurrent = myDelegate->editIndex().row();
 769   int i = 0;
 770   foreach(FeaturePtr aFeature, myParametersList) {
 771     if ((i != aCurrent) && (aFeature->data()->name() == theName.toStdString()))
 772       return true;
 773     i++;
 774   }
 775   return false;
 776 }
 777
 778 void ParametersPlugin_WidgetParamsMgr::sendWarning()
 779 {
 780   QMessageBox::warning(this, translate("Warning"), myMessage);
 781   QTreeWidgetItem* aItem = myTable->currentItem();
 782   if (aItem)
 783     myTable->editItem(aItem);
 784 }
 785
 786 void ParametersPlugin_WidgetParamsMgr::onSelectionChanged()
 787 {
 788   QList<QTreeWidgetItem*> aItemsList = myTable->selectedItems();
 789   bool aIsValid = isValid();
 790   if (aIsValid) {
 791     bool isParameter = false;
 792     foreach(QTreeWidgetItem* aItem, aItemsList) {
 793       if (aItem->parent() == myParameters) {
 794         isParameter = true;
 795         break;
 796       }
 797     }
 798     myInsertBtn->setEnabled(isParameter);
 799     //myRemoveBtn->setEnabled(isParameter);
 800     myUpBtn->setEnabled(isParameter);
 801     myDownBtn->setEnabled(isParameter);
 802   } else {
 803     myInsertBtn->setEnabled(false);
 804     //myRemoveBtn->setEnabled(false);
 805     myUpBtn->setEnabled(false);
 806     myDownBtn->setEnabled(false);
 807   }
 808   myRemoveBtn->setEnabled(!aItemsList.isEmpty());
 809 }
 810
 811 void ParametersPlugin_WidgetParamsMgr::enableButtons(bool theEnable)
 812 {
 813   myAddBtn->setEnabled(theEnable);
 814   if (theEnable)
 815     onSelectionChanged();
 816   else {
 817     myInsertBtn->setEnabled(theEnable);
 818     //myRemoveBtn->setEnabled(theEnable);
 819     myUpBtn->setEnabled(theEnable);
 820     myDownBtn->setEnabled(theEnable);
 821   }
 822   myOkCancelBtn->button(QDialogButtonBox::Ok)->setEnabled(theEnable);
 823 }
 824
 825 bool ParametersPlugin_WidgetParamsMgr::isValid()
 826 {
 827   QTreeWidgetItem* aItem;
 828   for(int i = 0; i < myParameters->childCount(); i++) {
 829     aItem = myParameters->child(i);
 830     if ((aItem->text(Col_Name) == NoName) ||
 831         (aItem->text(Col_Equation) == translate(NoValue)) ||
 832         (!ModelAPI_Expression::isVariable(aItem->text(Col_Name).toStdString())) ) {
 833       return false;
 834     }
 835   }
 836   return true;
 837 }
 838
 839 void ParametersPlugin_WidgetParamsMgr::showEvent(QShowEvent* theEvent)
 840 {
 841   ModuleBase_ModelDialogWidget::showEvent(theEvent);
 842   SessionPtr aMgr = ModelAPI_Session::get();
 843   isUpplyBlocked = aMgr->isAutoUpdateBlocked();
 844   aMgr->blockAutoUpdate(true);
 845   Events_Loop* aLoop = Events_Loop::loop();
 846   aLoop->flush(aLoop->eventByName(EVENT_AUTOMATIC_RECOMPUTATION_DISABLE));
 847 }
 848
 849 void ParametersPlugin_WidgetParamsMgr::hideEvent(QHideEvent* theEvent)
 850 {
 851   ModuleBase_ModelDialogWidget::hideEvent(theEvent);
 852   SessionPtr aMgr = ModelAPI_Session::get();
 853   aMgr->blockAutoUpdate(isUpplyBlocked);
 854 }
 855
 856 void ParametersPlugin_WidgetParamsMgr::onShowPreview()
 857 {
 858   SessionPtr aMgr = ModelAPI_Session::get();
 859   aMgr->blockAutoUpdate(false);
 860   aMgr->blockAutoUpdate(true);
 861   myWorkshop->viewer()->update();
 862 }