af84f12298
Cleanup the Itemviews examples - use nullptr instead 0 - use for loop instead foreach - include own header first - remove uselss includes Change-Id: I32e9f64356e42038707d063dcad977239ce1fe9e Reviewed-by: Luca Beldi <v.ronin@yahoo.it> Reviewed-by: Sze Howe Koh <szehowe.koh@gmail.com>
101 lines
3.7 KiB
C++
101 lines
3.7 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 demonstration applications of the Qt Toolkit.
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** $QT_BEGIN_LICENSE:BSD$
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** BSD License Usage
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** "Redistribution and use in source and binary forms, with or without
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef MODEL_H
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#define MODEL_H
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#include <QAbstractItemModel>
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#include <QFileIconProvider>
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#include <QIcon>
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#include <QVector>
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class Model : public QAbstractItemModel
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{
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Q_OBJECT
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public:
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Model(int rows, int columns, QObject *parent = nullptr);
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~Model();
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QModelIndex index(int row, int column, const QModelIndex &parent) const override;
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QModelIndex parent(const QModelIndex &child) const override;
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int rowCount(const QModelIndex &parent) const override;
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int columnCount(const QModelIndex &parent) const override;
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QVariant data(const QModelIndex &index, int role) const override;
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QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
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bool hasChildren(const QModelIndex &parent) const override;
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Qt::ItemFlags flags(const QModelIndex &index) const override;
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private:
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struct Node
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{
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Node(Node *parent = nullptr) : parent(parent), children(nullptr) {}
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~Node() { delete children; }
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Node *parent;
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QVector<Node> *children;
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};
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Node *node(int row, Node *parent) const;
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Node *parent(Node *child) const;
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int row(Node *node) const;
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QIcon services;
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int rc;
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int cc;
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QVector<Node> *tree;
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QFileIconProvider iconProvider;
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};
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#endif // MODEL_H
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