source: trunk/examples/tutorials/gettingStarted/gsQml/filedialog/directory.h

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#ifndef DIRECTORY_H
#define DIRECTORY_H

#include "file.h"

#include <QDir>
#include <QStringList>
#include <QTextStream>
#include <QDeclarativeListProperty>
#include <QObject>

class Directory : public QObject {

    Q_OBJECT

    //number of files in the directory
    Q_PROPERTY(int filesCount READ filesCount)

    //list property containing file names as QString
    Q_PROPERTY(QDeclarativeListProperty<File> files READ files CONSTANT )

    //file name of the text file to read/write
    Q_PROPERTY(QString filename READ filename WRITE setFilename NOTIFY filenameChanged)

    //text content of the file
    Q_PROPERTY(QString fileContent READ fileContent WRITE setFileContent NOTIFY fileContentChanged)

    public:
        Directory(QObject *parent = 0);

        //properties' read functions
        int filesCount() const;
        QString filename() const;
        QString fileContent() const;
        QDeclarativeListProperty<File> files();

        //properties' write functions
        void setFilename(const QString &str);
        void setFileContent(const QString &str);

        //accessible from QML
        Q_INVOKABLE void saveFile();
        Q_INVOKABLE void loadFile();

    signals:
        void directoryChanged();
        void filenameChanged();
        void fileContentChanged();

    private:
        QDir m_dir;
        QStringList m_dirFiles;
        File currentFile;
        QString m_saveDir;
        QStringList m_filterList;

        //contains the file data in QString format
        QString m_fileContent;

        //Registered to QML in a plugin. Accessible from QML as a property of Directory
        QList<File *> m_fileList;

        //refresh content of the directory 
        void refresh();
};

#endif