Added a ModelItem class to hold the data for each row.

model/tablemodel.cpp

@@ -1,11 +1,42 @@
 #include "tablemodel.h"
 
+#include "modelitem.h"
+
+enum UserRoles {
+  NameRole = Qt::UserRole + 1,
+  DescriptionRole,
+  InfoRole,
+  AmountRole,
+  FactorRole,
+  FactoredAmountRole
+};
+
 TableModel::TableModel(QObject* parent)
-    : QAbstractTableModel{parent} {}
+    : QAbstractTableModel{parent} {
+  for (int row = 0; row < 23; ++row) {
+    QHash<int, QVariant> values;
+    values[NameRole]        = QString("Item %1").arg(row);
+    values[DescriptionRole] = QString("This is item %1").arg(row);
+    values[InfoRole]        = QString("Info of item %1").arg(row);
+    values[AmountRole]      = row;
+    values[FactorRole]      = row * 1.1;
 
-int TableModel::rowCount(const QModelIndex& parent) const { return 5; }
+    shared_ptr<ModelItem> item = make_unique<ModelItem>(values);
+    m_items.append(std::move(item));
+  }
+}
 
-int TableModel::columnCount(const QModelIndex& parent) const { return 5; }
+Qt::ItemFlags TableModel::flags(const QModelIndex& index) const {
+  // return Qt::ItemIsEditable | QAbstractTableModel::flags(index);
+  return QAbstractTableModel::flags(index);
+}
+
+int TableModel::rowCount(const QModelIndex& parent) const { return m_items.size(); }
+
+int TableModel::columnCount(const QModelIndex& parent) const {
+  // TODO read from amount of header names (when available)
+  return 5;
+}
 
 QVariant TableModel::data(const QModelIndex& index, int role) const {
   const int row    = index.row();
@@ -14,13 +45,14 @@ QVariant TableModel::data(const QModelIndex& index, int role) const {
   if (!index.isValid()) {
     return QVariant();
   }
-  if (row >= 5 || column >= 5) {
+  if (row >= rowCount(QModelIndex()) || column >= columnCount(QModelIndex())) {
     return QVariant();
   }
 
+  int roleForColumn = getRoleForColumn(column);
   switch (role) {
     case Qt::DisplayRole:
-      return QString("Data %1/%2").arg(row).arg(column);
+      return m_items.at(row)->data(roleForColumn);
   }
 
   return QVariant();
@@ -36,3 +68,48 @@ QVariant TableModel::headerData(int section, Qt::Orientation orientation, int ro
   }
   return QVariant();
 }
+
+bool TableModel::setData(const QModelIndex& index, const QVariant& value, int role) {
+  if (role == Qt::EditRole) {
+    if (!checkIndex(index)) {
+      return false;
+    }
+    // save value from editor to member m_gridData
+    // m_gridData[index.row()][index.column()] = value.toString();
+    // // for presentation purposes only: build and emit a joined string
+    // QString result;
+    // for (int row = 0; row < ROWS; row++) {
+    //   for (int col = 0; col < COLS; col++) {
+    //     result += m_gridData[row][col] + ' ';
+    //   }
+    // }
+    // emit editCompleted(result);
+    // return true;
+  }
+  return false;
+}
+
+// bool TableModel::setItemData(const QModelIndex& index, const QMap<int, QVariant>& roles) {}
+
+int TableModel::getRoleForColumn(const int column) const {
+  switch (column) {
+    case 0:
+      return NameRole;
+      break;
+    case 1:
+      return DescriptionRole;
+      break;
+    case 2:
+      return InfoRole;
+      break;
+    case 3:
+      return AmountRole;
+      break;
+    case 4:
+      return FactorRole;
+      break;
+    default:
+      return NameRole;
+      break;
+  }
+}