Index: sources/model/MListModel.cpp
===================================================================
diff -u -rbae1ae230d8b41f90b1fcd34b9bccdfa87bf3cd9 -rc1e50347c78096b626b2cd1ef32a33b439e88bdd
--- sources/model/MListModel.cpp	(.../MListModel.cpp)	(revision bae1ae230d8b41f90b1fcd34b9bccdfa87bf3cd9)
+++ sources/model/MListModel.cpp	(.../MListModel.cpp)	(revision c1e50347c78096b626b2cd1ef32a33b439e88bdd)
@@ -12,21 +12,6 @@
 }
 
 /*!
- *  \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.
  */
@@ -35,18 +20,6 @@
 }
 
 /*!
- *  \brief      Set the role names for the data in this list model.
- *  \param[in]  roleNames   New role names for this list model.
- *  \note       This will clear the list model of any data.
- */
-void View::MListModel::setRoleNames(const QHash<int, QByteArray>& vRoleNames) {
-    if ( _roleNames != vRoleNames ) {
-        clear();
-        _roleNames = vRoleNames;
-    }
-}
-
-/*!
  *  \brief      Get the number of rows in this list model.
  *  \return     Number of rows in this list model.
  */
@@ -82,33 +55,24 @@
 }
 
 /*!
- *  \brief      Retrieve the data stored at the given index for the specified role and expose to QML
- *  \param[in]  vRow       Index of the data in the list model.
+ *  \brief      Sets the value of the data in this list model at the given index and for the given role.
+ *  \param[in]  index   Location of data to update.
+ *  \param[in]  value   Value to set.
+ *  \param[in]  role    The role of the data at the given index to set.
+ *  \return     Return true if data was set properly, otherwise false.
  */
-QVariantMap View::MListModel::get(int vRow) const {
-    QVariantMap map;
-    QHash<int, QByteArray> roles = roleNames();
+bool View::MListModel::setData(const QModelIndex &vIndex, const QVariant& vValue, int vRole) {
+    if ( ! vIndex.isValid() || vIndex.row() >= _data.count() ) {
+        return false;
+    }
 
-    // Row bounds check
-    if ( vRow < 0 || vRow >= rowCount() ) {  goto lOut; }
-
-    // Check if roles are defined
-    if ( roles.isEmpty() ) { goto lOut;  }
-
-    for ( auto it = roles.cbegin(); it != roles.cend(); ++it ) {
-        const int role = it.key();
-        const QByteArray roleName = it.value();
-
-        if ( roleName.isEmpty() )   { goto lOut; }
-
-        QVariant value = data(index(vRow, 0), role);
-        if ( ! value.isValid() )    { goto lOut; }
-
-        map.insert( QString::fromUtf8(roleName), value );
+    if ( _data[vIndex.row()][vRole] != vValue ) {
+        _data[vIndex.row()][vRole] = vValue;
+        // explicitly emit a dataChanged signal to notify anybody bound to this property (vRole)
+        emit dataChanged(vIndex, vIndex, QVector<int>(1, vRole));
     }
 
-lOut:
-    return map;
+    return true;
 }
 
 /*!
@@ -121,27 +85,51 @@
 }
 
 /*!
- *  \brief      Sets the value of the data in this list model at the given index and for the given role.
- *  \param[in]  index   Location of data to update.
- *  \param[in]  value   Value to set.
- *  \param[in]  role    The role of the data at the given index to set.
- *  \return     Return true if data was set properly, otherwise false.
+ *  \brief      Set the role names for the data in this list model.
+ *  \param[in]  roleNames   New role names for this list model.
+ *  \note       This will clear the list model of any data.
  */
-bool View::MListModel::setData(const QModelIndex &vIndex, const QVariant& vValue, int vRole) {
-    if ( ! vIndex.isValid() || vIndex.row() >= _data.count() ) {
-        return false;
+void View::MListModel::setRoleNames(const QHash<int, QByteArray>& vRoleNames) {
+    if ( _roleNames != vRoleNames ) {
+        clear();
+        _roleNames = vRoleNames;
     }
+}
 
-    if ( _data[vIndex.row()][vRole] != vValue ) {
-        _data[vIndex.row()][vRole] = vValue;
-        // explicitly emit a dataChanged signal to notify anybody bound to this property (vRole)
-        emit dataChanged(vIndex, vIndex, QVector<int>(1, vRole));
-    }
+/*!
+ *  \brief      Appends a row of data to the end of the model.
+ *  \param[in]  data        The data to append.
+*/
+void View::MListModel::appendRow(const QHash<int, QVariant> &vData) {
+    insertRow(rowCount(), vData);
+}
 
-    return true;
+/*!
+ *  \brief      Inserts data into the model at a given position.
+ *  \param[in]  vRow    - The index 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 vRow, const QHash<int, QVariant> &vData)
+{
+    const int index = std::clamp(vRow, 0, rowCount());
+    beginInsertRows(QModelIndex(), index, index);
+    _data.insert(index, vData);
+    endInsertRows();
 }
 
 /*!
+ *  \brief      Helper function of setData to update data in the model
+ *  \param[in]  vRow   row of item to update value
+ *  \param[in]  value   Value to update.
+ *  \param[in]  role    The role of the data at the given index to set.
+ */
+void View::MListModel::updateData  (const int vRow, const int vRole, const QVariant& vValue) {
+    setData(index(vRow,0), vValue, vRole);
+}
+
+/*!
  *  \brief      Assignment operator
  *  \return     A reference to this object.
  */
@@ -155,3 +143,33 @@
     }
     return *this;
 }
+
+/*!
+ *  \brief      Retrieve the data stored at the given index for the specified role and expose to QML
+ *  \param[in]  vRow       Index of the data in the list model.
+ */
+QVariantMap View::MListModel::get(int vRow) const {
+    QVariantMap map;
+    QHash<int, QByteArray> roles = roleNames();
+
+    // Row bounds check
+    if ( vRow < 0 || vRow >= rowCount() ) {  goto lOut; }
+
+    // Check if roles are defined
+    if ( roles.isEmpty() ) { goto lOut;  }
+
+    for ( auto it = roles.cbegin(); it != roles.cend(); ++it ) {
+        const int role = it.key();
+        const QByteArray roleName = it.value();
+
+        if ( roleName.isEmpty() )   { goto lOut; }
+
+        QVariant value = data(index(vRow, 0), role);
+        if ( ! value.isValid() )    { goto lOut; }
+
+        map.insert( QString::fromUtf8(roleName), value );
+    }
+
+lOut:
+    return map;
+}