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#ifndef BUTTON_TASKMENU_H

#define BUTTON_TASKMENU_H

#include <QtGui/QAbstractButton>

#include <QtGui/QCommandLinkButton>

#include <QtGui/QButtonGroup>

#include <qdesigner_taskmenu_p.h>

#include <extensionfactory_p.h>

QT_BEGIN_NAMESPACE

class QMenu;

class QActionGroup;

class QDesignerFormWindowCursorInterface;

namespace qdesigner_internal {

// ButtonGroupMenu: Mixin menu for the 'select members'/'break group' options of

// the task menu of buttons and button group

class ButtonGroupMenu : public QObject

{

    Q_OBJECT

    Q_DISABLE_COPY(ButtonGroupMenu)

public:

    ButtonGroupMenu(QObject *parent = 0);

    void initialize(QDesignerFormWindowInterface *formWindow,

                    QButtonGroup *buttonGroup = 0,

                    /* Current button for selection in ButtonMode */

                    QAbstractButton *currentButton = 0);

    QAction *selectGroupAction() const { return m_selectGroupAction; }

    QAction *breakGroupAction() const  { return m_breakGroupAction; }

private slots:

    void selectGroup();

    void breakGroup();

private:

    QAction *m_selectGroupAction;

    QAction *m_breakGroupAction;

    QDesignerFormWindowInterface *m_formWindow;

    QButtonGroup *m_buttonGroup;

    QAbstractButton *m_currentButton;

};

// Task menu extension of a QButtonGroup

class ButtonGroupTaskMenu : public QObject, public QDesignerTaskMenuExtension

{

    Q_OBJECT

    Q_DISABLE_COPY(ButtonGroupTaskMenu)

    Q_INTERFACES(QDesignerTaskMenuExtension)

public:

    explicit ButtonGroupTaskMenu(QButtonGroup *buttonGroup, QObject *parent = 0);

    virtual QAction *preferredEditAction() const;

    virtual QList<QAction*> taskActions() const;

private:

    QButtonGroup *m_buttonGroup;

    QList<QAction*> m_taskActions;

    mutable ButtonGroupMenu m_menu;

};

// Task menu extension of a QAbstractButton

class ButtonTaskMenu: public QDesignerTaskMenu

{

    Q_OBJECT

    Q_DISABLE_COPY(ButtonTaskMenu)

public:

    explicit ButtonTaskMenu(QAbstractButton *button, QObject *parent = 0);

    virtual ~ButtonTaskMenu();

    virtual QAction *preferredEditAction() const;

    virtual QList<QAction*> taskActions() const;

    QAbstractButton *button() const;

protected:

    void insertAction(int index, QAction *a);

private slots:

    void createGroup();

    void addToGroup(QAction *a);

    void removeFromGroup();

private:

    enum SelectionType {

        OtherSelection,

        UngroupedButtonSelection,

        GroupedButtonSelection

    };

    SelectionType selectionType(const QDesignerFormWindowCursorInterface *cursor, QButtonGroup ** ptrToGroup = 0) const;

    bool refreshAssignMenu(const QDesignerFormWindowInterface *fw, int buttonCount, SelectionType st, QButtonGroup *currentGroup);

    QMenu *createGroupSelectionMenu(const QDesignerFormWindowInterface *fw);

    QList<QAction*> m_taskActions;

    mutable ButtonGroupMenu m_groupMenu;

    QMenu *m_assignGroupSubMenu;

    QActionGroup *m_assignActionGroup;

    QAction *m_assignToGroupSubMenuAction;

    QMenu *m_currentGroupSubMenu;

    QAction *m_currentGroupSubMenuAction;

    QAction *m_createGroupAction;

    QAction *m_preferredEditAction;

    QAction *m_removeFromGroupAction;

};

// Task menu extension of a QCommandLinkButton

class CommandLinkButtonTaskMenu: public ButtonTaskMenu

{

    Q_OBJECT

    Q_DISABLE_COPY(CommandLinkButtonTaskMenu)

public:

    explicit CommandLinkButtonTaskMenu(QCommandLinkButton *button, QObject *parent = 0);

};

typedef ExtensionFactory<QDesignerTaskMenuExtension, QButtonGroup, ButtonGroupTaskMenu> ButtonGroupTaskMenuFactory;

typedef ExtensionFactory<QDesignerTaskMenuExtension, QCommandLinkButton, CommandLinkButtonTaskMenu>  CommandLinkButtonTaskMenuFactory;

typedef ExtensionFactory<QDesignerTaskMenuExtension, QAbstractButton, ButtonTaskMenu>  ButtonTaskMenuFactory;

}  // namespace qdesigner_internal

QT_END_NAMESPACE

#endif // BUTTON_TASKMENU_H