// ================================================================================================
// 
// This file is part of the CAMPVis Software Framework.
// 
// If not explicitly stated otherwise: Copyright (C) 2012, all rights reserved,
//      Christian Schulte zu Berge <christian.szb@in.tum.de>
//      Chair for Computer Aided Medical Procedures
//      Technische Universität München
//      Boltzmannstr. 3, 85748 Garching b. München, Germany
// For a full list of authors and contributors, please refer to the file "AUTHORS.txt".
// 
// The licensing of this softare is not yet resolved. Until then, redistribution in source or
// binary forms outside the CAMP chair is not permitted, unless explicitly stated in legal form.
// However, the names of the original authors and the above copyright notice must retain in its
// original state in any case.
// 
// Legal disclaimer provided by the BSD license:
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 
// AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
// 
// ================================================================================================

#ifndef TRANSFERFUNCTIONPROPERTYWIDGET_H__
#define TRANSFERFUNCTIONPROPERTYWIDGET_H__

#include "application/gui/properties/abstractpropertywidget.h"
#include "core/properties/transferfunctionproperty.h"

class QDockWidget;
class QDoubleSpinBox;
class QGridLayout;
class QLabel;
class QPushButton;

namespace campvis {
    class AbstractTransferFunctionEditor;

    /**
     * Widget for a TransferFunctionProperty
     */
    class TransferFunctionPropertyWidget : public AbstractPropertyWidget {
        Q_OBJECT;

    public:
        /**
         * Creates a new PropertyWidget for the property \a property.
         * \param   property    The property the widget shall handle
         * \param   parent      Parent Qt widget
         */
        TransferFunctionPropertyWidget(TransferFunctionProperty* property, QWidget* parent = 0);

        /**
         * Destructor
         */
        virtual ~TransferFunctionPropertyWidget();

        /**
         * Slot to be called when the propertie's TF changed its image DataHandle.
         * Resets the intensity domain borders.
         */
        void onTransferFunctionImageHandleChanged();

    protected:
        /**
         * Gets called when the property has changed, so that widget can update its state.
         */
        virtual void updateWidgetFromProperty();

    private slots:
        /// slot called when one of the intensity domain spin edits has changed
        void onDomainChanged(double value);
        /// slot called when edit TF button clicked
        void onEditClicked(bool checked);
        /// slot called when _btnFitDomainToImage clicked
        void onFitClicked(bool checked);

    private:
        QWidget* _widget;                   ///< Widget grouping the widgets together
        QGridLayout* _gridLayout;           ///< Layout for _widget

        QLabel* _lblDomain;                 ///< intensity domain label
        QDoubleSpinBox* _spinDomainLeft;    ///< spin edit for intensity domain lower bound
        QDoubleSpinBox* _spinDomainRight;   ///< spin edit for intensity domain upper bound
        QPushButton* _btnFitDomainToImage;  ///< button for fitting the intensity domain to the image 
        QPushButton* _btnEditTF;            ///< button for showing the TF editor widget

        QDockWidget* _dockWidget;                   ///< DockWidget for transfer function editor
        AbstractTransferFunctionEditor* _editor;    ///< Transfer function editor
    };
}

#endif // TRANSFERFUNCTIONPROPERTYWIDGET_H__