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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
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** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
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** $QT_END_LICENSE$
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****************************************************************************/


#ifndef QQUICKFOLDERLISTMODEL_H
#define QQUICKFOLDERLISTMODEL_H

#include <qqml.h>
#include <QStringList>
#include <QUrl>
#include <QAbstractListModel>

QT_BEGIN_NAMESPACE


class QQmlContext;
class QModelIndex;

class QQuickFolderListModelPrivate;

//![class begin]
class QQuickFolderListModel : public QAbstractListModel, public QQmlParserStatus
{
    Q_OBJECT
    Q_INTERFACES(QQmlParserStatus)
//![class begin]

//![class props]
    Q_PROPERTY(QUrl folder READ folder WRITE setFolder NOTIFY folderChanged)
    Q_PROPERTY(QUrl rootFolder READ rootFolder WRITE setRootFolder)
    Q_PROPERTY(QUrl parentFolder READ parentFolder NOTIFY folderChanged)
    Q_PROPERTY(QStringList nameFilters READ nameFilters WRITE setNameFilters)
    Q_PROPERTY(SortField sortField READ sortField WRITE setSortField)
    Q_PROPERTY(bool sortReversed READ sortReversed WRITE setSortReversed)
    Q_PROPERTY(bool showFiles READ showFiles WRITE setShowFiles REVISION 1)
    Q_PROPERTY(bool showDirs READ showDirs WRITE setShowDirs)
    Q_PROPERTY(bool showDirsFirst READ showDirsFirst WRITE setShowDirsFirst)
    Q_PROPERTY(bool showDotAndDotDot READ showDotAndDotDot WRITE setShowDotAndDotDot)
    Q_PROPERTY(bool showHidden READ showHidden WRITE setShowHidden REVISION 1)
    Q_PROPERTY(bool showOnlyReadable READ showOnlyReadable WRITE setShowOnlyReadable)
    Q_PROPERTY(int count READ count NOTIFY countChanged)
//![class props]

//![abslistmodel]
public:
    QQuickFolderListModel(QObject *parent = 0);
    ~QQuickFolderListModel();

    enum Roles {
        FileNameRole = Qt::UserRole + 1,
        FilePathRole = Qt::UserRole + 2,
        FileBaseNameRole = Qt::UserRole + 3,
        FileSuffixRole = Qt::UserRole + 4,
        FileSizeRole = Qt::UserRole + 5,
        FileLastModifiedRole = Qt::UserRole + 6,
        FileLastReadRole = Qt::UserRole +7,
        FileIsDirRole = Qt::UserRole + 8,
        FileUrlRole = Qt::UserRole + 9
    };

    virtual int rowCount(const QModelIndex &parent = QModelIndex()) const;
    virtual QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
    virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
    virtual QHash<int, QByteArray> roleNames() const;
//![abslistmodel]

//![count]
    int count() const { return rowCount(QModelIndex()); }
//![count]

//![prop funcs]
    QUrl folder() const;
    void setFolder(const QUrl &folder);
    QUrl rootFolder() const;
    void setRootFolder(const QUrl &path);

    QUrl parentFolder() const;

    QStringList nameFilters() const;
    void setNameFilters(const QStringList &filters);

    enum SortField { Unsorted, Name, Time, Size, Type };
    SortField sortField() const;
    void setSortField(SortField field);
    Q_ENUMS(SortField)

    bool sortReversed() const;
    void setSortReversed(bool rev);

    bool showFiles() const;
    void setShowFiles(bool showFiles);
    bool showDirs() const;
    void setShowDirs(bool showDirs);
    bool showDirsFirst() const;
    void setShowDirsFirst(bool showDirsFirst);
    bool showDotAndDotDot() const;
    void setShowDotAndDotDot(bool on);
    bool showHidden() const;
    void setShowHidden(bool on);
    bool showOnlyReadable() const;
    void setShowOnlyReadable(bool on);
//![prop funcs]

    Q_INVOKABLE bool isFolder(int index) const;
    Q_INVOKABLE QVariant get(int idx, const QString &property) const;

//![parserstatus]
    virtual void classBegin();
    virtual void componentComplete();
//![parserstatus]

    int roleFromString(const QString &roleName) const;

//![notifier]
Q_SIGNALS:
    void folderChanged();
    void rowCountChanged() const;
    Q_REVISION(1) void countChanged() const;
//![notifier]

//![class end]


private:
    Q_DISABLE_COPY(QQuickFolderListModel)
    Q_DECLARE_PRIVATE(QQuickFolderListModel)
    QScopedPointer<QQuickFolderListModelPrivate> d_ptr;

    Q_PRIVATE_SLOT(d_func(), void _q_directoryChanged(const QString &directory, const QList<FileProperty> &list))
    Q_PRIVATE_SLOT(d_func(), void _q_directoryUpdated(const QString &directory, const QList<FileProperty> &list, int fromIndex, int toIndex))
    Q_PRIVATE_SLOT(d_func(), void _q_sortFinished(const QList<FileProperty> &list))
};
//![class end]

QT_END_NAMESPACE

#endif // QQUICKFOLDERLISTMODEL_H