Improvements

treetotableproxymodel.h

@@ -0,0 +1,49 @@
+#pragma once
+
+#include <QAbstractTableModel>
+
+class TreeToTableProxyModel : public QAbstractTableModel
+{
+public:
+    using QAbstractTableModel::QAbstractTableModel;
+
+    void setSourceModel(QAbstractItemModel *sourceModel);
+    void setSourceModelAndRootIndex(QAbstractItemModel *sourceModel, const QModelIndex &index);
+    void setRootIndex(const QModelIndex &index);
+
+    QModelIndex mapFromSource(const QModelIndex &index) const;
+    QModelIndex mapToSource(const QModelIndex &index) const;
+
+    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;
+    void fetchMore(const QModelIndex &parent) override;
+    bool canFetchMore(const QModelIndex &parent) const override;
+    Qt::ItemFlags flags(const QModelIndex &index) const override;
+
+private slots:
+    void sourceDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight, const QVector<int> &roles = QVector<int>());
+
+    void sourceRowsAboutToBeInserted(const QModelIndex &parent, int first, int last);
+    void sourceRowsInserted(const QModelIndex &parent, int first, int last);
+
+    void sourceRowsAboutToBeRemoved(const QModelIndex &parent, int first, int last);
+    void sourceRowsRemoved(const QModelIndex &parent, int first, int last);
+
+    void sourceColumnsAboutToBeInserted(const QModelIndex &parent, int first, int last);
+    void sourceColumnsInserted(const QModelIndex &parent, int first, int last);
+
+    void sourceColumnsAboutToBeRemoved(const QModelIndex &parent, int first, int last);
+    void sourceColumnsRemoved(const QModelIndex &parent, int first, int last);
+
+    void sourceRowsAboutToBeMoved( const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destinationParent, int destinationRow);
+    void sourceRowsMoved(const QModelIndex &parent, int start, int end, const QModelIndex &destination, int row);
+
+    void sourceColumnsAboutToBeMoved( const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destinationParent, int destinationColumn);
+    void sourceColumnsMoved(const QModelIndex &parent, int start, int end, const QModelIndex &destination, int column);
+
+private:
+    const QAbstractItemModel *m_sourceModel{};
+    QModelIndex m_rootIndex;
+};