e0e22d56ac
Cleanup the EditableItemModel example: - include own headers first - use nullptr - add sanity checks - use for loop instead foreach - use const where possible Change-Id: Ib36e5710c07979576b48a905ee50908a64dcb697 Reviewed-by: Paul Wicking <paul.wicking@qt.io>
108 lines
4.3 KiB
C++
108 lines
4.3 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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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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**
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** BSD License Usage
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** Alternatively, you may use this file under the terms of the BSD license
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** as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** contributors may be used to endorse or promote products derived
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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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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TreeModel(const QStringList &headers, const QString &data,
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QObject *parent = nullptr);
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~TreeModel();
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//! [0] //! [1]
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QVariant data(const QModelIndex &index, int role) 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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//! [1]
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//! [2]
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Qt::ItemFlags flags(const QModelIndex &index) const override;
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bool setData(const QModelIndex &index, const QVariant &value,
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int role = Qt::EditRole) override;
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bool setHeaderData(int section, Qt::Orientation orientation,
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const QVariant &value, int role = Qt::EditRole) override;
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bool insertColumns(int position, int columns,
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const QModelIndex &parent = QModelIndex()) override;
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bool removeColumns(int position, int columns,
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const QModelIndex &parent = QModelIndex()) override;
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bool insertRows(int position, int rows,
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const QModelIndex &parent = QModelIndex()) override;
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bool removeRows(int position, int rows,
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const QModelIndex &parent = QModelIndex()) override;
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private:
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void setupModelData(const QStringList &lines, TreeItem *parent);
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TreeItem *getItem(const QModelIndex &index) const;
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TreeItem *rootItem;
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};
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//! [2]
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#endif // TREEMODEL_H
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