CInteractiveViewLayer.h

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/********************************************************************************
**  This file is part of the ICF Framework. Copyright (C) Witold Gantzke & Kirill Lepskiy
**  ICF Framework may be used under the terms of the LGPL License v. 2.1 by the Free Software Foundation.
********************************************************************************/
 
#ifndef iview_CInteractiveViewLayer_included
#define iview_CInteractiveViewLayer_included
 
 
#include <iview/ISelectableLayer.h>
#include <iview/IShapeView.h>
#include <iview/CViewLayer.h>
 
 
namespace iview
{
 
 
class CInteractiveViewLayer:
            public CViewLayer,
            virtual public ISelectableLayer
{
public:
    typedef CViewLayer BaseClass;
 
    CInteractiveViewLayer();
    virtual ~CInteractiveViewLayer();
 
    IInteractiveShape* GetFirstActiveShape() const;
 
    // reimplemented (iview::CViewLayer)
    virtual i2d::CRect RecalcAllShapes(const istd::IChangeable::ChangeSet& changeSet);
    i2d::CRect CalcBoundingBox() const;
 
    // reimplemented (iview::ISelectableLayer)
    virtual bool ConnectInteractiveShape(IInteractiveShape* shapePtr);
    virtual int GetUnselectedShapesCount() const;
    virtual void DrawFocusedShape(QPainter& drawContext);
    virtual bool OnMouseButton(istd::CIndex2d position, Qt::MouseButton buttonType, bool downFlag);
    virtual bool OnFocusedMouseButton(istd::CIndex2d position, Qt::MouseButton buttonType, bool downFlag);
    virtual bool OnFocusedMouseMove(istd::CIndex2d position);
    virtual TouchState IsTouched(istd::CIndex2d position, IInteractiveShape** shapePtrPtr = nullptr) const;
 
    // reimplemented (iview::ISelectable)
    virtual int GetSelectedShapesCount() const;
    virtual void InsertSelectedShapes(SelectedShapes& result) const;
    virtual void DeselectAllShapes();
    virtual int GetKeysState() const;
    virtual int GetEditMode() const;
    virtual void OnShapeFocused(IInteractiveShape* shapePtr);
    virtual void OnShapeDefocused(IInteractiveShape* shapePtr);
    virtual void OnShapeSelected(IInteractiveShape& shape, bool state = true);
 
    // reimplemented (iview::IViewLayer)
    virtual bool IsShapeConnected(IShape* shapePtr);
    virtual bool ConnectShape(IShape* shapePtr);
    virtual int GetShapesCount() const;
    virtual void DisconnectAllShapes();
    virtual void DrawShapes(QPainter& drawContext);
 
    // reimplemented (iview::IShapeObserver)
    virtual void OnChangeShape(IShape* shapePtr);
    virtual bool DisconnectShape(IShape* shapePtr);
 
    // reimplemented (iview::ITouchable)
    virtual TouchState IsTouched(istd::CIndex2d position) const;
    virtual QString GetShapeDescriptionAt(istd::CIndex2d position) const;
 
    // reimplemented (iview::IDraggable)
    virtual void BeginDrag(const istd::CIndex2d& reference);
    virtual void SetDragPosition(const istd::CIndex2d& position);
    virtual void EndDrag();
    virtual bool IsDraggable() const;
 
protected:
    ShapeList m_activeShapes;
 
private:
    IInteractiveShape* m_focusedShapePtr;
};
 
 
// inline methods
 
// reimplemented (iview::ISelectable)
 
inline int CInteractiveViewLayer::GetKeysState() const
{
    const IShapeView* viewPtr = GetViewPtr();
    Q_ASSERT(viewPtr != nullptr);
 
    return viewPtr->GetKeysState();
}
 
 
inline int CInteractiveViewLayer::GetEditMode() const
{
    const IShapeView* viewPtr = GetViewPtr();
    Q_ASSERT(viewPtr != nullptr);
 
    return viewPtr->GetEditMode();
}
 
 
} // namespace iview
 
 
#endif // !iview_CInteractiveViewLayer_included