Added a checkable item class to genus model

source/Genus/GenusModel.cpp

@@ -19,11 +19,21 @@ QVariant GenusModel::data(const QModelIndex &index, int role) const
 {
 	if (role == Qt::DisplayRole)
 	{
+        if (index.row() == 0 && m_tiere.find(index.column()) != m_tiere.end())
+        {
+            return m_tiere.find(index.column())->second.getText().c_str();
+        }
+
 		return "Hello";
 	}
 
 	if (role == Qt::CheckStateRole)
 	{
+        if (index.row() == 0 && m_tiere.find(index.column()) != m_tiere.end())
+        {
+            return m_tiere.find(index.column())->second.isChecked() ? Qt::Checked : Qt::Unchecked;
+        }
+
 		return Qt::Unchecked;
 	}
 
@@ -39,13 +49,22 @@ Qt::ItemFlags GenusModel::flags(const QModelIndex &index) const
 bool GenusModel::setData(
 	const QModelIndex &index, const QVariant &value, int role)
 {
-	if (role != Qt::EditRole)
+    if (role != Qt::CheckStateRole)
 	{
 		return QAbstractTableModel::setData(index, value, role);
 	}
+    else
+    {
+        if (index.row() == 0 && m_tiere.find(index.column()) != m_tiere.end())
+        {
+            m_tiere.find(index.column())->second.setState(value.toBool());
 
             return true;
         }
+    }
+
+    return false;
+}
 
 QVariant GenusModel::headerData(
 	int section, Qt::Orientation orientation, int role) const

source/Genus/GenusModel.h

@@ -1,5 +1,35 @@
 #pragma once
 
+#include <string>
+
+class CheckableItem
+{
+private:
+    bool m_checked = false;
+    std::string m_text;
+
+public:
+    CheckableItem(const std::string &text)
+        : m_text(text)
+    {
+    }
+
+    std::string getText() const
+    {
+        return m_text;
+    }
+
+    bool isChecked() const
+    {
+        return m_checked;
+    }
+
+    void setState(bool checked)
+    {
+        m_checked = checked;
+    }
+};
+
 #include <QAbstractTableModel>
 #include <QJsonObject>
 
@@ -7,6 +37,13 @@ class GenusModel : public QAbstractTableModel
 {
 	Q_OBJECT
 
+private:
+    std::map<size_t, CheckableItem> m_tiere =
+    {
+        {0, {"null"}},
+        {1, {"eins"}}
+    };
+
 public:
 	GenusModel(QObject *parent);
 	int rowCount(const QModelIndex &parent = QModelIndex()) const override;