CQPlotDM Class Reference

#include <CQPlotDM.h>

Inheritance diagram for CQPlotDM:

Collaboration diagram for CQPlotDM:

Public Member Functions
virtual int	columnCount (const QModelIndex &parent=QModelIndex()) const
	CQPlotDM (QObject *parent=0)
QVariant	data (const QModelIndex &index, int role) const
Qt::ItemFlags	flags (const QModelIndex &index) const
QVariant	headerData (int section, Qt::Orientation orientation, int role=Qt::DisplayRole) const
bool	removeRows (QModelIndexList rows, const QModelIndex &index=QModelIndex())
virtual int	rowCount (const QModelIndex &parent=QModelIndex()) const
bool	setData (const QModelIndex &index, const QVariant &value, int role=Qt::EditRole)
Public Member Functions inherited from CQBaseDataModel
virtual bool	clear ()
	CQBaseDataModel (QObject *parent=0)
QString	createNewName (const QString name, const int nameCol)
bool	insertRow ()
virtual bool	isDefaultRow (const QModelIndex &i) const
bool	removeRow (int position)

Protected Member Functions
bool	insertRows (int position, int rows, const QModelIndex &index=QModelIndex())
bool	removeRows (int position, int rows, const QModelIndex &index=QModelIndex())

Additional Inherited Members
Signals inherited from CQBaseDataModel
void	notifyGUI (ListViews::ObjectType objectType, ListViews::Action action, const std::string &key="")

Detailed Description

Definition at line 30 of file CQPlotDM.h.

Constructor & Destructor Documentation

CQPlotDM::CQPlotDM

(

QObject *

parent = 0

)

Definition at line 22 of file CQPlotDM.cpp.

  : CQBaseDataModel(parent)

{
}

Member Function Documentation

int CQPlotDM::columnCount ( const QModelIndex &  parent = QModelIndex() ) const

virtual

Definition at line 32 of file CQPlotDM.cpp.

References TOTAL_COLS_PLOTS.

Referenced by CQPlotsWidget::keyPressEvent().

{
  return TOTAL_COLS_PLOTS;
}

QVariant CQPlotDM::data ( const QModelIndex &  index, int  role  ) const

virtual

Implements CQBaseDataModel.

Definition at line 50 of file CQPlotDM.cpp.

References COL_ACTIVE_PLOTS, COL_CURVES_PLOTS, COL_NAME_PLOTS, COL_ROW_NUMBER, flags(), FROM_UTF8, CCopasiRootContainer::getDatamodelList(), CPlotSpecification::getItems(), CCopasiObject::getObjectName(), CPlotSpecification::isActive(), CQBaseDataModel::isDefaultRow(), rowCount(), and CCopasiVector< T >::size().

Referenced by setData().

{
  if (!index.isValid())
    return QVariant();

  if (index.row() >= rowCount())
    return QVariant();

  if (index.column() > 0 && role == Qt::ForegroundRole && !(flags(index) & Qt::ItemIsEditable))
    return QColor(Qt::darkGray);

  if (role == Qt::DisplayRole || role == Qt::EditRole)
    {
      if (isDefaultRow(index))
        {
          switch (index.column())
            {
              case COL_ROW_NUMBER:
                return QVariant(QString(""));
              case COL_NAME_PLOTS:
                return QVariant(QString("New Plot"));
              case COL_ACTIVE_PLOTS:

                if (role == Qt::DisplayRole)
                  return QVariant();
                else
                  return QVariant(true);

              default:
                return QVariant(QString(""));
            }
        }
      else
        {
          const CPlotSpecification *pPS = dynamic_cast<const CPlotSpecification*>((*CCopasiRootContainer::getDatamodelList())[0]->getPlotDefinitionList()->operator[](index.row()));

          switch (index.column())
            {
              case COL_ROW_NUMBER:
                return QVariant(index.row() + 1);

              case COL_NAME_PLOTS:
                return QVariant(QString(FROM_UTF8(pPS->getObjectName())));

              case COL_CURVES_PLOTS:
                return QVariant((unsigned int)pPS->getItems().size());

              case COL_ACTIVE_PLOTS:

                if (role == Qt::DisplayRole)
                  return QVariant();
                else
                  return QVariant(pPS->isActive());
            }
        }
    }
  else if (role == Qt::CheckStateRole && index.column() == COL_ACTIVE_PLOTS)
    return index.data(Qt::EditRole).toBool() ? QVariant(Qt::Checked) : QVariant(Qt::Unchecked);

  return QVariant();
}

Qt::ItemFlags CQPlotDM::flags ( const QModelIndex &  index ) const

virtual

Reimplemented from CQBaseDataModel.

Definition at line 37 of file CQPlotDM.cpp.

References COL_ACTIVE_PLOTS, and COL_NAME_PLOTS.

Referenced by data().

{
  if (!index.isValid())
    return Qt::ItemIsEnabled;

  if (index.column() == COL_NAME_PLOTS)
    return QAbstractItemModel::flags(index) | Qt::ItemIsEditable;
  else if (index.column() == COL_ACTIVE_PLOTS)
    return QAbstractItemModel::flags(index) | Qt::ItemIsSelectable | Qt::ItemIsUserCheckable;
  else
    return QAbstractItemModel::flags(index);
}

QVariant CQPlotDM::headerData ( int  section, Qt::Orientation  orientation, int  role = Qt::DisplayRole  ) const

virtual

Implements CQBaseDataModel.

Definition at line 112 of file CQPlotDM.cpp.

References COL_ACTIVE_PLOTS, COL_CURVES_PLOTS, COL_NAME_PLOTS, and COL_ROW_NUMBER.

{
  if (role != Qt::DisplayRole)
    return QVariant();

  if (orientation == Qt::Horizontal)
    {
      switch (section)
        {
          case COL_ROW_NUMBER:
            return QVariant(QString("#"));
          case COL_NAME_PLOTS:
            return QVariant(QString("Name"));
          case COL_CURVES_PLOTS:
            return QVariant(QString("Nr. of Curves"));
          case COL_ACTIVE_PLOTS:
            return QVariant(QString("Active"));
          default:
            return QVariant();
        }
    }
  else
    return QString("%1").arg(section + 1);
}

bool CQPlotDM::insertRows ( int  position, int  rows, const QModelIndex &  index = QModelIndex()  )

protectedvirtual

Implements CQBaseDataModel.

Definition at line 206 of file CQPlotDM.cpp.

References ListViews::ADD, COL_NAME_PLOTS, CQBaseDataModel::createNewName(), CCopasiRootContainer::getDatamodelList(), CQBaseDataModel::notifyGUI(), ListViews::PLOT, CPlotItem::plot2d, and TO_UTF8.

{
  beginInsertRows(QModelIndex(), position, position + rows - 1);

  for (int row = 0; row < rows; ++row)
    {
      CPlotSpecification *pPS = (*CCopasiRootContainer::getDatamodelList())[0]->getPlotDefinitionList()->createPlotSpec(TO_UTF8(createNewName("plot", COL_NAME_PLOTS)), CPlotItem::plot2d);
      emit notifyGUI(ListViews::PLOT, ListViews::ADD, pPS->CCopasiParameter::getKey());
    }

  endInsertRows();

  return true;
}

bool CQPlotDM::removeRows	(	QModelIndexList	rows,
		const QModelIndex &	index = QModelIndex()
	)

Definition at line 242 of file CQPlotDM.cpp.

References CCopasiRootContainer::getDatamodelList(), CCopasiDataModel::getModel(), CCopasiDataModel::getPlotDefinitionList(), CQBaseDataModel::isDefaultRow(), and CQBaseDataModel::removeRow().

Referenced by CQPlotsWidget::deleteSelectedPlots().

{
  if (rows.isEmpty())
    return false;

  CCopasiDataModel* pDataModel = (*CCopasiRootContainer::getDatamodelList())[0];
  assert(pDataModel != NULL);

  if (!pDataModel->getModel())
    return false;

//Build the list of pointers to items to be deleted
//before actually deleting any item.
  QList <CPlotSpecification *> pPSs;
  QModelIndexList::const_iterator i;
  CPlotSpecification * pPS = NULL;

  for (i = rows.begin(); i != rows.end(); ++i)
    {
      if (!isDefaultRow(*i) && pDataModel->getPlotDefinitionList()->operator[]((*i).row()))
        {
          pPS = pDataModel->getPlotDefinitionList()->operator[]((*i).row());
          pPSs.append(pPS);
        }
    }

  QList <CPlotSpecification *>::const_iterator j;

  for (j = pPSs.begin(); j != pPSs.end(); ++j)
    {
      pPS = *j;

      size_t delRow =
        pDataModel->getPlotDefinitionList()->CCopasiVector< CPlotSpecification >::getIndex(pPS);
      removeRow((int) delRow);
    }

  return true;
}

bool CQPlotDM::removeRows ( int  position, int  rows, const QModelIndex &  index = QModelIndex()  )

protectedvirtual

Implements CQBaseDataModel.

Definition at line 221 of file CQPlotDM.cpp.

References ListViews::DELETE, CCopasiRootContainer::getDatamodelList(), CQBaseDataModel::notifyGUI(), and ListViews::PLOT.

{
  if (rows <= 0)
    return true;

  beginRemoveRows(QModelIndex(), position, position + rows - 1);

  for (int row = 0; row < rows; ++row)
    {
      CPlotSpecification* pPS =
        (CPlotSpecification*)(*CCopasiRootContainer::getDatamodelList())[0]->getPlotDefinitionList()->operator[](position);
      std::string deletedKey = pPS->CCopasiParameter::getKey();
      (*CCopasiRootContainer::getDatamodelList())[0]->getPlotDefinitionList()->CCopasiVector< CPlotSpecification >::remove(position);
      emit notifyGUI(ListViews::PLOT, ListViews::DELETE, deletedKey);
    }

  endRemoveRows();

  return true;
}

int CQPlotDM::rowCount ( const QModelIndex &  parent = QModelIndex() ) const

virtual

Definition at line 28 of file CQPlotDM.cpp.

References CCopasiRootContainer::getDatamodelList().

Referenced by data(), and CQPlotsWidget::deleteSelectedPlots().

{
  return (int)(*CCopasiRootContainer::getDatamodelList())[0]->getPlotDefinitionList()->size() + 1;
}

bool CQPlotDM::setData ( const QModelIndex &  index, const QVariant &  value, int  role = Qt::EditRole  )

virtual

Implements CQBaseDataModel.

Definition at line 138 of file CQPlotDM.cpp.

References ListViews::CHANGE, COL_ACTIVE_PLOTS, COL_NAME_PLOTS, CQBaseDataModel::createNewName(), data(), CCopasiRootContainer::getDatamodelList(), CCopasiObject::getObjectName(), CQBaseDataModel::insertRow(), CPlotSpecification::isActive(), CQBaseDataModel::isDefaultRow(), CQBaseDataModel::notifyGUI(), ListViews::PLOT, CPlotSpecification::setActive(), CCopasiObject::setObjectName(), and TO_UTF8.

{
  if (index.isValid() && role == Qt::EditRole)
    {
      bool changed = false;
      bool defaultRow = isDefaultRow(index);

      if (defaultRow)
        {
          if (index.data() != value)
            {
              insertRow();
              changed = true;
            }
          else
            return false;
        }

      CPlotSpecification *pPS = (CPlotSpecification*)(*CCopasiRootContainer::getDatamodelList())[0]->getPlotDefinitionList()->operator[](index.row());

      switch (index.column())
        {
          case COL_NAME_PLOTS:

            if (pPS->getObjectName() != TO_UTF8(value.toString()))
              {
                pPS->setObjectName(TO_UTF8(value.toString()));
                changed = true;
              }

            break;

          case COL_ACTIVE_PLOTS:

            if (pPS->isActive() != value.toBool())
              {
                pPS->setActive(value.toBool());
                changed = true;
              }

            break;

          default:
            break;
        }

      if (defaultRow && this->index(index.row(), COL_NAME_PLOTS).data().toString() == "plot")
        {
          pPS->setObjectName(TO_UTF8(createNewName("plot", COL_NAME_PLOTS)));
          changed = true;
        }

      if (changed)
        {
          emit dataChanged(index, index);
          emit notifyGUI(ListViews::PLOT, ListViews::CHANGE, pPS->CCopasiParameter::getKey());
        }
    }
  else if (role == Qt::CheckStateRole && index.column() == COL_ACTIVE_PLOTS)
    {
      QVariant data = value.toInt() == Qt::Checked ? QVariant(true) : QVariant(false);
      return setData(index, data, Qt::EditRole);
    }

  return true;
}

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The documentation for this class was generated from the following files:

• CQPlotDM.h
• CQPlotDM.cpp