Index: sources/model/MListModel.cpp
===================================================================
diff -u -r53f7433638ec721d4f687fe8a4ed5d98c03c2fe7 -rbae1ae230d8b41f90b1fcd34b9bccdfa87bf3cd9
--- sources/model/MListModel.cpp	(.../MListModel.cpp)	(revision 53f7433638ec721d4f687fe8a4ed5d98c03c2fe7)
+++ sources/model/MListModel.cpp	(.../MListModel.cpp)	(revision bae1ae230d8b41f90b1fcd34b9bccdfa87bf3cd9)
@@ -1,6 +1,32 @@
 #include "MListModel.h"
 
 /*!
+ *  \brief  Constructor
+ *  \param[in]  parent      - Parent of this object.
+ */
+View::MListModel::MListModel(QObject *parent)
+    : QAbstractListModel(parent)
+{
+    connect(this, &MListModel::rowsInserted, this, &MListModel::countChanged);
+    connect(this, &MListModel::rowsRemoved, this, &MListModel::countChanged);
+}
+
+/*!
+ *  \brief      Inserts data into the model at a given position.
+ *  \param[in]  pos     - The position where the data will be inserted.
+ *                        If row is less than 0, then data will be prepended to the model.
+ *                        If row is greater than or equal to rowCount(), then data will be appeneded to the model.
+ *  \param[in]  data    - The data to insert into the model.
+ */
+void View::MListModel::insertRow(const int pos, const QHash<int, QVariant> &vData)
+{
+    const int index = std::clamp(pos, 0, rowCount());
+    beginInsertRows(QModelIndex(), index, index);
+    _data.insert(index, vData);
+    endInsertRows();
+}
+
+/*!
  *  \brief      Retrieve the role names set for this list model.
  *  \return     Role names used for this model.
  */