c590aa678d
Cleanup the SimpleTreeModel example: - include own headers first - use nullptr - add sanity checks Change-Id: If57d608e3919368b2022ff86aede8de9c2ba7369 Reviewed-by: Luca Beldi <v.ronin@yahoo.it> Reviewed-by: Sze Howe Koh <szehowe.koh@gmail.com>
87 lines
3.4 KiB
C++
87 lines
3.4 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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** This file is part of the examples of the Qt Toolkit.
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****************************************************************************/
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#ifndef TREEMODEL_H
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#define TREEMODEL_H
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#include <QAbstractItemModel>
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#include <QModelIndex>
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#include <QVariant>
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class TreeItem;
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//! [0]
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class TreeModel : public QAbstractItemModel
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{
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Q_OBJECT
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public:
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explicit TreeModel(const QString &data, QObject *parent = nullptr);
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~TreeModel();
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QVariant data(const QModelIndex &index, int role) const override;
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Qt::ItemFlags flags(const QModelIndex &index) const override;
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QVariant headerData(int section, Qt::Orientation orientation,
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int role = Qt::DisplayRole) const override;
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QModelIndex index(int row, int column,
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const QModelIndex &parent = QModelIndex()) const override;
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QModelIndex parent(const QModelIndex &index) const override;
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int rowCount(const QModelIndex &parent = QModelIndex()) const override;
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int columnCount(const QModelIndex &parent = QModelIndex()) const override;
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private:
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void setupModelData(const QStringList &lines, TreeItem *parent);
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TreeItem *rootItem;
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};
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//! [0]
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#endif // TREEMODEL_H
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