TableModel::setData can now be called for column 0 with different roles to edit. (Doesn't rely on Qt::EditRole and RoleForColumn in all cases)

model/metadata.h

@@ -28,11 +28,11 @@ static UserRoles DEFAULT_ROLE = NameRole;
 static QList<UserRoles> USER_FACING_ROLES = {NameRole, DescriptionRole, InfoRole,
                                              TypeRole, AmountRole,      FactorRole};
 static QHash<int, QByteArray> ROLE_NAMES  = {
-    {NameRole, "name"},          {DescriptionRole, "description"},
-    {InfoRole, "info"},          {TypeRole, "type"},
-    {AmountRole, "amount"},      {FactorRole, "factor"},
-    {ToStringRole, "ToString"},  {IdRole, "id"},
-    {Qt::DisplayRole, "display"}};
+    {NameRole, "name"},           {DescriptionRole, "description"},
+    {InfoRole, "info"},           {TypeRole, "type"},
+    {AmountRole, "amount"},       {FactorRole, "factor"},
+    {ToStringRole, "ToString"},   {IdRole, "id"},
+    {Qt::DisplayRole, "display"}, {Qt::EditRole, "edit"}};
 
 static QList<UserRoles> STRING_ROLES = {NameRole, DescriptionRole, InfoRole, IdRole};
 static QList<UserRoles> INT_ROLES    = {AmountRole};

model/tablemodel.cpp

@@ -104,10 +104,9 @@ QVariant TableModel::headerData(int section, Qt::Orientation orientation, int ro
 }
 
 bool TableModel::setData(const QModelIndex& index, const QVariant& value, int role) {
-  if (role == Qt::EditRole && checkIndex(index)) {
-    const int column        = index.column();
-    const int roleForColumn = GET_ROLE_FOR_COLUMN(column);
-    return setItemData(index, {{roleForColumn, value}});
+  if (checkIndex(index)) {
+    const int adjustedRole = getAppropriateRoleForIndex(index, role);
+    return setItemData(index, {{adjustedRole, value}});
   }
   return false;
 }
@@ -329,6 +328,25 @@ bool TableModel::isEmptyValueEqualToZero(const int role) const {
   }
 }
 
+int TableModel::getAppropriateRoleForIndex(const QModelIndex& index, const int role) const {
+  /// cases:
+  /// 1. Qt::DisplayRole, Qt::EditRole
+  ///   -> get role for column
+  /// 2. other roles
+  ///   -> use role as given
+  const int column        = index.column();
+  const int roleForColumn = GET_ROLE_FOR_COLUMN(column);
+  switch (role) {
+    case Qt::DisplayRole:
+    case Qt::EditRole:
+      return roleForColumn;
+      break;
+    default:
+      return role;
+      break;
+  }
+}
+
 QModelIndex TableModel::searchItemIndex(const ModelItemValues givenItemValues) const {
   // iterate over indexes to search item : see searchItem(...);
   // for (const shared_ptr<ModelItem>& item : m_items) {

model/tablemodel.h

@@ -71,6 +71,7 @@ class TableModel : public QAbstractTableModel {
   QMap<int, QVariant> onlyChangedValues(const QModelIndex& index,
                                         const QMap<int, QVariant>& roleValueMap) const;
   bool isEmptyValueEqualToZero(const int role) const;
+  int getAppropriateRoleForIndex(const QModelIndex& index, const int role) const;
   QModelIndex searchItemIndex(const ModelItemValues givenItemValues) const;
   bool isItemEqualToItemValues(const QModelIndex& itemIndex,
                                const ModelItemValues givenItemValues) const;