IvfSelectionHandler.h

//
// Copyright 1999-2006 by Structural Mechanics, Lund University.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
// Please report all bugs and problems to "ivf@byggmek.lth.se".
//
//
// Written by Jonas Lindemann
//

#ifndef _CIvfSelectionHandler_h_
#define _CIvfSelectionHandler_h_

#include <ivfwidget/IvfHandlerBase.h>
#include <ivfwidget/IvfWidgetBase.h>

#include <ivf/IvfScene.h>
#include <ivf/IvfBufferSelection.h>

class IVFWIDGET_API CIvfSingleSelectionEvent : public CIvfEventBase {
public:
        virtual void onSelect(CIvfShape* shape) {};
};

class IVFWIDGET_API CIvfMultipleSelectionEvent : public CIvfEventBase {
public:
        virtual void onSelectMultiple(CIvfSelectedShapesVector& shapes) {};
};

class IVFWIDGET_API CIvfHighlightEvent : public CIvfEventBase {
public:
        virtual void onHighlight(CIvfShape* shape) {};
};

IvfSmartPointer(CIvfSelectionHandler);

class IVFWIDGET_API CIvfSelectionHandler : public CIvfHandlerBase,
        CIvfMouseDownEvent,
        CIvfMouseMoveEvent,
        CIvfMouseUpEvent
{
private:
        CIvfWidgetBase* m_widget;
        CIvfScenePtr m_scene;
        CIvfShapePtr m_oldShape;
        CIvfBufferSelectionPtr m_selection;
        CIvfSingleSelectionEvent* m_singleSelectionEvent;
        CIvfMultipleSelectionEvent* m_multipleSelectionEvent;
        CIvfHighlightEvent* m_highlightEvent;

        void dispatchSingleSelectionEvent(CIvfShape* shape);
        void dispatchMultipleSelectionEvent(CIvfSelectedShapesVector& selectedShapes);
        void dispatchHighlightEvent(CIvfShape* shape);
public:
        CIvfSelectionHandler(CIvfWidgetBase* widget, CIvfScene* scene);
        virtual ~CIvfSelectionHandler();

        IvfClassInfo("CIvfSelectionHandler",CIvfHandlerBase);

        void setSingleSelectionEvent(CIvfSingleSelectionEvent* event);

        void setMultipleSelectionEvent(CIvfMultipleSelectionEvent* event);

        void setHighlightEvent(CIvfHighlightEvent* event);

        virtual void doMouseUp(int x, int y);
        virtual void doMouseMove(int x, int y);
        virtual void doMouseDown(int x, int y);

        // Implemeted events

        virtual void onMouseMove(int x, int y);
        virtual void onMouseUp(int x, int y);
        virtual void onMouseDown(int x, int y);
};
#endif

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