From 6a3725bde77dbef87fe1061d312875d199f30f08 Mon Sep 17 00:00:00 2001
From: Bent Witthold <bent@working-copy.org>
Date: Tue, 2 Dec 2025 15:59:34 +0100
Subject: [PATCH] Added a simple read-only TableModel and made it accessible
 via GenericCore. Basically like in this tutorial:
 https://doc.qt.io/qt-6/modelview.html#2-1-a-read-only-table

---
 CMakeLists.txt       |  1 +
 genericcore.cpp      | 11 ++++++++++-
 genericcore.h        |  9 +++++++++
 model/tablemodel.cpp | 38 ++++++++++++++++++++++++++++++++++++++
 model/tablemodel.h   | 18 ++++++++++++++++++
 5 files changed, 76 insertions(+), 1 deletion(-)
 create mode 100644 model/tablemodel.cpp
 create mode 100644 model/tablemodel.h

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3ef633b..008325c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -22,6 +22,7 @@ add_library(${TARGET_APP} STATIC
   ${TS_FILES}
   constants.h
   data/settingshandler.h data/settingshandler.cpp
+  model/tablemodel.h model/tablemodel.cpp
 )
 
 include_directories(${CMAKE_CURRENT_BINARY_DIR})
diff --git a/genericcore.cpp b/genericcore.cpp
index 7ec4636..57fb303 100644
--- a/genericcore.cpp
+++ b/genericcore.cpp
@@ -10,10 +10,15 @@
 #include "../../ApplicationConfig.h"
 #include "CoreConfig.h"
 #include "constants.h"
+#include "model/tablemodel.h"
 
 using namespace std;
 
-GenericCore::GenericCore() { qDebug() << "Creating core..."; }
+GenericCore::GenericCore() {
+  qDebug() << "Creating core...";
+
+  setupModels();
+}
 
 GenericCore::~GenericCore() { qDebug() << "Destroying core..."; }
 
@@ -65,6 +70,10 @@ void GenericCore::triggerApplicationUpdate() {
   QProcess::startDetached(toolFilePath, args);
 }
 
+std::shared_ptr<QAbstractItemModel> GenericCore::getModel() const { return m_mainModel; }
+
+void GenericCore::setupModels() { m_mainModel = make_shared<TableModel>(this); }
+
 QString GenericCore::getMaintenanceToolFilePath() const {
   QString applicationDirPath = QCoreApplication::applicationDirPath();
 
diff --git a/genericcore.h b/genericcore.h
index bef0ac0..e017fb3 100644
--- a/genericcore.h
+++ b/genericcore.h
@@ -3,8 +3,11 @@
 
 #include <QObject>
 
+class QAbstractItemModel;
 class QString;
 
+class TableModel;
+
 class GenericCore : public QObject {
   Q_OBJECT
 
@@ -18,10 +21,16 @@ class GenericCore : public QObject {
   bool isApplicationUpdateAvailable();
   void triggerApplicationUpdate();
 
+  std::shared_ptr<QAbstractItemModel> getModel() const;
+
  signals:
   void displayStatusMessage(QString message);
 
  private:
+  std::shared_ptr<TableModel> m_mainModel;
+
+  void setupModels();
+
   QString getMaintenanceToolFilePath() const;
 };
 
diff --git a/model/tablemodel.cpp b/model/tablemodel.cpp
new file mode 100644
index 0000000..0681c5f
--- /dev/null
+++ b/model/tablemodel.cpp
@@ -0,0 +1,38 @@
+#include "tablemodel.h"
+
+TableModel::TableModel(QObject* parent)
+    : QAbstractTableModel{parent} {}
+
+int TableModel::rowCount(const QModelIndex& parent) const { return 5; }
+
+int TableModel::columnCount(const QModelIndex& parent) const { return 5; }
+
+QVariant TableModel::data(const QModelIndex& index, int role) const {
+  const int row    = index.row();
+  const int column = index.column();
+
+  if (!index.isValid()) {
+    return QVariant();
+  }
+  if (row >= 5 || column >= 5) {
+    return QVariant();
+  }
+
+  switch (role) {
+    case Qt::DisplayRole:
+      return QString("Data %1/%2").arg(row).arg(column);
+  }
+
+  return QVariant();
+}
+
+QVariant TableModel::headerData(int section, Qt::Orientation orientation, int role) const {
+  if (role == Qt::DisplayRole) {
+    if (orientation == Qt::Horizontal) {
+      return QString("Section %1").arg(section);
+    } else {
+      return QString("%1").arg(section);
+    }
+  }
+  return QVariant();
+}
diff --git a/model/tablemodel.h b/model/tablemodel.h
new file mode 100644
index 0000000..64523f0
--- /dev/null
+++ b/model/tablemodel.h
@@ -0,0 +1,18 @@
+#ifndef TABLEMODEL_H
+#define TABLEMODEL_H
+
+#include <QAbstractTableModel>
+
+class TableModel : public QAbstractTableModel {
+ public:
+  explicit TableModel(QObject* parent = nullptr);
+
+  /// QAbstractItemModel interface
+ public:
+  int rowCount(const QModelIndex& parent) const override;
+  int columnCount(const QModelIndex& parent) const override;
+  QVariant data(const QModelIndex& index, int role) const override;
+  QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
+};
+
+#endif  // TABLEMODEL_H