item_output.h

#ifndef ITEM_OUTPUT_H
#define ITEM_OUTPUT_H

#include "item/abstract_item_input_output_base.h"
#include "appcore.h"

#include <QObject>
#include <QRectF>
#include <QList>

class AbstractItem;
class ItemInput;
class ItemOutputPrivate;

class ITEMFRAMEWORK_EXPORT ItemOutput : public AbstractItemInputOutputBase
{
    Q_OBJECT

    friend ItemInput;
    friend AbstractItem;

public:
    ItemOutput(AbstractItem* owner, int transportType, QString const& description,
               QRectF const& shape = {0, 0, 0, 0});

    virtual ~ItemOutput();

    virtual bool isConnected() const;

    QList<ItemInput*> inputs() const;

    QObject* data() const;

    virtual QPointF scenePosition() const;

    void disconnectInput(ItemInput* input);

    void disconnectInputs();

    bool connectInput(ItemInput* input);

protected:
    void setData(QObject* data);

signals:
    void inputDisconnected();

    void inputConnected();

    void dataChanged();

private:
    Q_DECLARE_PRIVATE(ItemOutput)
    QScopedPointer<ItemOutputPrivate> const d_ptr;
};

#endif // ITEM_OUTPUT_H