#ifndef EXPERT_H

#define EXPERT_H

#include <QSplitter>

#include <QDomElement>

#include <QHash>

class QTreeWidget;

class QTreeWidgetItem;

class QStackedWidget;

class QSettings;

class QTextEdit;

class QTextCodec;

class QPushButton;

class Input;

class Expert : public QSplitter

{

    Q_OBJECT

  public:

    Expert();

   ~Expert();

    void loadSettings(QSettings *);

    void saveSettings(QSettings *);

    void loadConfig(const QString &fileName);

    bool writeConfig(QTextStream &t,bool brief);

    QByteArray saveInnerState () const;

    bool restoreInnerState ( const QByteArray & state );

    const QHash<QString,Input*> &modelData() const { return m_options; }

    void resetToDefaults();

    bool htmlOutputPresent(const QString &workingDir) const;

    bool pdfOutputPresent(const QString &workingDir) const;

    QString getHtmlOutputIndex(const QString &workingDir) const;

  public slots:

    void activateTopic(QTreeWidgetItem *,QTreeWidgetItem *);

    QWidget *createTopicWidget(QDomElement &elem);

  private slots:

    void showHelp(Input *);

    void nextTopic();

    void prevTopic();

  signals:

    void changed();

  private:

    void createTopics(const QDomElement &);

    void saveTopic(QTextStream &t,QDomElement &elem,QTextCodec *codec,bool brief);

    QSplitter               *m_splitter;

    QTextEdit               *m_helper;

    QTreeWidget             *m_treeWidget;

    QStackedWidget          *m_topicStack;

    QHash<QString,QWidget *> m_topics;

    QHash<QString,QObject *> m_optionWidgets;

    QHash<QString,Input *>   m_options;

    QPushButton             *m_next;

    QPushButton             *m_prev;

    QDomElement              m_rootElement;

};

#endif