tablemodel.cpp Example File

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  #include "tablemodel.h"

  TableModel::TableModel(QObject *parent)
      : QAbstractTableModel(parent)
  {
  }

  TableModel::TableModel(QList<QPair<QString, QString> > pairs, QObject *parent)
      : QAbstractTableModel(parent)
  {
      listOfPairs = pairs;
  }

  int TableModel::rowCount(const QModelIndex &parent) const
  {
      Q_UNUSED(parent);
      return listOfPairs.size();
  }

  int TableModel::columnCount(const QModelIndex &parent) const
  {
      Q_UNUSED(parent);
      return 2;
  }

  QVariant TableModel::data(const QModelIndex &index, int role) const
  {
      if (!index.isValid())
          return QVariant();

      if (index.row() >= listOfPairs.size() || index.row() < 0)
          return QVariant();

      if (role == Qt::DisplayRole) {
          QPair<QString, QString> pair = listOfPairs.at(index.row());

          if (index.column() == 0)
              return pair.first;
          else if (index.column() == 1)
              return pair.second;
      }
      return QVariant();
  }

  QVariant TableModel::headerData(int section, Qt::Orientation orientation, int role) const
  {
      if (role != Qt::DisplayRole)
          return QVariant();

      if (orientation == Qt::Horizontal) {
          switch (section) {
              case 0:
                  return tr("Name");

              case 1:
                  return tr("Address");

              default:
                  return QVariant();
          }
      }
      return QVariant();
  }

  bool TableModel::insertRows(int position, int rows, const QModelIndex &index)
  {
      Q_UNUSED(index);
      beginInsertRows(QModelIndex(), position, position + rows - 1);

      for (int row = 0; row < rows; ++row) {
          QPair<QString, QString> pair(" ", " ");
          listOfPairs.insert(position, pair);
      }

      endInsertRows();
      return true;
  }

  bool TableModel::removeRows(int position, int rows, const QModelIndex &index)
  {
      Q_UNUSED(index);
      beginRemoveRows(QModelIndex(), position, position + rows - 1);

      for (int row = 0; row < rows; ++row) {
          listOfPairs.removeAt(position);
      }

      endRemoveRows();
      return true;
  }

  bool TableModel::setData(const QModelIndex &index, const QVariant &value, int role)
  {
      if (index.isValid() && role == Qt::EditRole) {
          int row = index.row();

          QPair<QString, QString> p = listOfPairs.value(row);

          if (index.column() == 0)
              p.first = value.toString();
          else if (index.column() == 1)
              p.second = value.toString();
          else
              return false;

          listOfPairs.replace(row, p);
          emit(dataChanged(index, index));

          return true;
      }

      return false;
  }

  Qt::ItemFlags TableModel::flags(const QModelIndex &index) const
  {
      if (!index.isValid())
          return Qt::ItemIsEnabled;

      return QAbstractTableModel::flags(index) | Qt::ItemIsEditable;
  }

  QList< QPair<QString, QString> > TableModel::getList()
  {
      return listOfPairs;
  }