added a serviceitemmodel and working on implementing move and insert

src/serviceitemmodel.h

@@ -0,0 +1,64 @@
+#ifndef SERVICEITEMMODEL_H
+#define SERVICEITEMMODEL_H
+
+#include "serviceitem.h"
+#include <QAbstractListModel>
+#include <qabstractitemmodel.h>
+#include <qnamespace.h>
+#include <qobjectdefs.h>
+#include <qsize.h>
+
+class ServiceItemModel : public QAbstractListModel {
+  Q_OBJECT
+
+public:
+  explicit ServiceItemModel(QObject *parent = nullptr);
+
+  enum Roles {
+    NameRole = Qt::UserRole,
+    TypeRole,
+    BackgroundRole,
+    BackgroundTypeRole,
+    TextRole
+  };
+
+  // Basic functionality:
+  int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+  QVariant data(const QModelIndex &index,
+                int role = Qt::DisplayRole) const override;
+  QHash<int, QByteArray> roleNames() const override;
+
+  // Editable:
+  bool setData(const QModelIndex &index, const QVariant &value,
+               int role = Qt::EditRole) override;
+  Qt::ItemFlags flags(const QModelIndex &index) const override;
+
+  // Helper methods
+  void addItem(ServiceItem *item);
+  void insertItem(const int &index, ServiceItem *item);
+  Q_INVOKABLE void addItem(const QString &name, const QString &type);
+  // Q_INVOKABLE void addItem(const QString &name, const QString &type,
+  //                          const QString &background);
+  Q_INVOKABLE void addItem(const QString &name, const QString &type,
+                           const QString &background,
+                           const QString &backgroundType);
+  Q_INVOKABLE void addItem(const QString &name, const QString &type,
+                           const QString &background,
+                           const QString &backgroundType,
+                           const QStringList &text);
+  Q_INVOKABLE void insertItem(const int &index, const QString &name,
+                              const QString &type);
+  Q_INVOKABLE void insertItem(const int &index, const QString &name,
+                              const QString &type, const QString &background,
+                              const QString &backgroundType);
+  Q_INVOKABLE void insertItem(const int &index, const QString &name,
+                              const QString &type, const QString &background,
+                              const QString &backgroundType, const QStringList &text);
+  Q_INVOKABLE void removeItem(int index);
+  Q_INVOKABLE bool move(int sourceIndex, int destIndex);
+
+private:
+  QList<ServiceItem *> m_items;
+};
+
+#endif // SERVICEITEMMODEL_H