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****************************************************************************/

#ifndef MENU_MANAGER_H

#define MENU_MANAGER_H

#include <QtGui>

#include <QtXml>

#include <QtHelp/QHelpEngineCore>

#include "score.h"

#include "textbutton.h"

#include "mainwindow.h"

#include "itemcircleanimation.h"

typedef QHash<QString, QString> StringHash;

typedef QHash<QString, StringHash> HashHash;

class TextButton;

class MenuManager : public QObject

{

    Q_OBJECT

public:

    enum BUTTON_TYPE {ROOT, MENU1, MENU2, LAUNCH, DOCUMENTATION, QUIT, FULLSCREEN, UP, DOWN, BACK};

    // singleton pattern:

    static MenuManager *instance();

    virtual ~MenuManager();

    void init(MainWindow *window);

    void itemSelected(int userCode, const QString &menuName = "");

    QByteArray getHtml(const QString &name);

    QByteArray getImage(const QString &name);

    QString resolveExeFile(const QString &name);

    QString resolveDocUrl(const QString &name);

    QString resolveImageUrl(const QString &name);

    QString resolveDataDir(const QString &name);

    HashHash info;

    ItemCircleAnimation *ticker;

    MainWindow *window;

    Score *score;

    int currentMenuCode;

private slots:

    void exampleFinished();

    void exampleError(QProcess::ProcessError error);

private:

    // singleton pattern:

    MenuManager();

    static MenuManager *pInstance;

    QByteArray getResource(const QString &name);

    void readXmlDocument();

    void initHelpEngine();

    void getDocumentationDir();

    void readInfoAboutExample(const QDomElement &example);

    void showDocInAssistant(const QString &docFile);

    void launchExample(const QString &uniqueName);

    void createMenu(const QDomElement &category, BUTTON_TYPE type);

    void createLowLeftButton(const QString &label, BUTTON_TYPE type,

        Movie *movieIn, Movie *movieOut, Movie *movieShake, const QString &menuString = QString());

    void createLowRightButton(const QString &label, BUTTON_TYPE type, Movie *movieIn, Movie *movieOut, Movie *movieShake);

    void createLowRightLeafButton(const QString &label, int pos, BUTTON_TYPE type, Movie *movieIn, Movie *movieOut, Movie * /*movieShake*/);

    void createRootMenu(const QDomElement &el);

    void createSubMenu(const QDomElement &el);

    void createLeafMenu(const QDomElement &el);

    void createInfo(DemoItem *item, const QString &name);

    void createTicker();

    void createUpnDownButtons();

    void createBackButton();

    QDomDocument *contentsDoc;

    QProcess assistantProcess;

    QString currentMenu;

    QString currentCategory;

    QString currentMenuButtons;

    QString currentInfo;

    QString helpRootUrl;

    DemoItemAnimation *tickerInAnim;

    QDir docDir;

    QDir imgDir;

    QHelpEngineCore *helpEngine;

    TextButton *upButton;

    TextButton *downButton;

};

#endif // MENU_MANAGER_H