kis_dummies_facade_base.h

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/*
 *  SPDX-FileCopyrightText: 2011 Dmitry Kazakov <dimula73@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#ifndef __KIS_DUMMIES_FACADE_BASE_H
#define __KIS_DUMMIES_FACADE_BASE_H
 
#include <QObject>
 
#include "kis_types.h"
#include "kritaui_export.h"
#include <KisNodeAdditionFlags.h>
 
class KisNodeDummy;
 
class KRITAUI_EXPORT KisDummiesFacadeBase : public QObject
{
    Q_OBJECT
 
public:
    KisDummiesFacadeBase(QObject *parent = 0);
    ~KisDummiesFacadeBase() override;
 
    void setImage(KisImageWSP image);
    virtual void setImage(KisImageWSP image, KisNodeSP activeNode);
 
    virtual bool hasDummyForNode(KisNodeSP node) const = 0;
    virtual KisNodeDummy* dummyForNode(KisNodeSP node) const = 0;
 
    virtual KisNodeDummy* rootDummy() const = 0;
    virtual int dummiesCount() const = 0;
 
    KisNodeSP lastActivatedNode() const;
    void setLastActivatedNode(KisNodeSP node);
 
protected:
    KisImageWSP image() const;
 
    virtual void addNodeImpl(KisNodeSP node, KisNodeSP parent, KisNodeSP aboveThis) = 0;
    virtual void removeNodeImpl(KisNodeSP node) = 0;
 
Q_SIGNALS:
    void sigBeginInsertDummy(KisNodeDummy *parent, int index, const QString &metaObjectType);
    void sigEndInsertDummy(KisNodeDummy *dummy);
 
    void sigBeginRemoveDummy(KisNodeDummy *dummy);
    void sigEndRemoveDummy();
 
    void sigDummyChanged(KisNodeDummy *dummy);
 
    void sigActivateNode(KisNodeSP node);
 
private Q_SLOTS:
    void slotLayersChanged();
    void slotNodeChanged(KisNodeSP node);
 
    void slotNodeActivationRequested(KisNodeSP node, KisNodeAdditionFlags flags);
 
    void slotNodeAdded(KisNodeSP node, KisNodeAdditionFlags flags);
    void slotRemoveNode(KisNodeSP node);
 
    void slotContinueAddNode(KisNodeSP node, KisNodeSP parent, KisNodeSP aboveThis);
    void slotContinueRemoveNode(KisNodeSP node);
 
private:
    static KisNodeSP findFirstLayer(KisNodeSP root);
 
private:
    struct Private;
    Private * const m_d;
};
 
#endif /* __KIS_DUMMIES_FACADE_BASE_H */