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#ifndef WBMODELMENU_H
#define WBMODELMENU_H

#include <QtGui>

// A QMenu that is dynamically populated from a QAbstractItemModel
class WBModelMenu : public QMenu
{
    Q_OBJECT

    signals:
        void activated(const QModelIndex &index);
        void hovered(const QString &text);

    public:
        WBModelMenu(QWidget *parent = 0);

        void setModel(QAbstractItemModel *model);
        QAbstractItemModel *model() const;

        void setMaxRows(int max);
        int maxRows() const;

        void setFirstSeparator(int offset);
        int firstSeparator() const;

        void setRootIndex(const QModelIndex &index);
        QModelIndex rootIndex() const;

        void setHoverRole(int role);
        int hoverRole() const;

        void setSeparatorRole(int role);
        int separatorRole() const;

        QAction *makeAction(const QIcon &icon, const QString &text, QObject *parent);

    protected:
        // add any actions before the tree, return true if any actions are added.
        virtual bool prePopulated();
        // add any actions after the tree
        virtual void postPopulated();
        // put all of the children of parent into menu up to max
        void createMenu(const QModelIndex &parent, int max, QMenu *parentMenu = 0, QMenu *menu = 0);

    private slots:
        void aboutToShow();
        void triggered(QAction *action);
        void hovered(QAction *action);

    private:
        QAction *makeAction(const QModelIndex &index);
        int m_maxRows;
        int m_firstSeparator;
        int m_maxWidth;
        int m_hoverRole;
        int m_separatorRole;
        QAbstractItemModel *m_model;
        QPersistentModelIndex m_root;
};

#endif // WBMODELMENU_H