ostinato/client/portmodel.h

#ifndef _PORT_MODEL_H
#define _PORT_MODEL_H

#include <QAbstractItemModel>
#include <QIcon>

class PortGroupList;
class PortGroup;

class PortModel : public QAbstractItemModel
{
    Q_OBJECT

    friend class PortGroupList;

public:
    PortModel(PortGroupList *p, QObject *parent = 0);

    int rowCount(const QModelIndex &parent = QModelIndex()) const;
    int columnCount(const QModelIndex &parent = QModelIndex()) const;
    Qt::ItemFlags flags(const QModelIndex &index) const;
    QVariant data(const QModelIndex &index, int role) const;
    QVariant headerData(int section, Qt::Orientation orientation, 
            int role = Qt::DisplayRole) const;
    QModelIndex index (int row, int col, 
            const QModelIndex &parent = QModelIndex()) const;
    QModelIndex parent(const QModelIndex &index) const;    

    bool isPortGroup(const QModelIndex& index);
    bool isPort(const QModelIndex& index);
    quint32 portGroupId(const QModelIndex& index);
    quint32 portId(const QModelIndex& index);

private:
    PortGroupList    *pgl;
    static const int kLinkStatesCount = 3;
    static const int kExclusiveStatesCount = 2;
    QIcon portIconFactory[kLinkStatesCount][kExclusiveStatesCount];

private slots:
    void when_portGroupDataChanged(int portGroupId, int portId);

    void portGroupAboutToBeAppended();
    void portGroupAppended();
    void portGroupAboutToBeRemoved(PortGroup *portGroup);
    void portGroupRemoved();

    void when_portListChanged();

#if 0
    void triggerLayoutAboutToBeChanged();
    void triggerLayoutChanged();
#endif
};

#endif