//  ModelObject.cpp
//
//  Copyright (C) 2013  Jaye Evins <evins@snaught.com>
//
//  This file is part of gLabels-qt.
//
//  gLabels-qt is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  gLabels-qt 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 General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
//


#include "ModelObject.hpp"

#include "ColorNode.hpp"
#include "Region.hpp"
#include "Size.hpp"
#include "TextNode.hpp"

#include <QDebug>
#include <QFont>


namespace glabels::model
{

        ///
        /// Next Object ID
        ///
        int ModelObject::msNextId = 0;


        ///
        /// Constructor
        ///
        ModelObject::ModelObject()
                : QObject(nullptr)
        {
                mId = msNextId++;

                mX0 = 0;
                mY0 = 0;
                mW  = 0;
                mH  = 0;
                mLockAspectRatio = false;
                mMatrix = QTransform();

                mShadowState     = false;
                mShadowX         = 1.3;
                mShadowY         = 1.3;
                mShadowColorNode = ColorNode( QColor( 0, 0, 0 ) );
                mShadowOpacity   = 0.5;

                mSelectedFlag = false;
        }


        ///
        /// Constructor
        ///
        ModelObject::ModelObject( Distance          x0,
                                  Distance          y0,
                                  Distance          w,
                                  Distance          h,
                                  bool              lockAspectRatio,
                                  const QTransform& matrix,
                                  bool              shadowState,
                                  Distance          shadowX,
                                  Distance          shadowY,
                                  double            shadowOpacity,
                                  const ColorNode&  shadowColorNode )
        : QObject(nullptr)
        {
                mId = msNextId++;

                mX0 = x0;
                mY0 = y0;
                mW  = w;
                mH  = h;
                mLockAspectRatio = lockAspectRatio;
                mMatrix = matrix;

                mShadowState     = shadowState;
                mShadowX         = shadowX;
                mShadowY         = shadowY;
                mShadowColorNode = shadowColorNode;
                mShadowOpacity   = shadowOpacity;

                mSelectedFlag = false;
        }


        ///
        /// Copy constructor
        ///
        ModelObject::ModelObject( const ModelObject* object )
        {
                mId = msNextId++;

                mSelectedFlag    = object->mSelectedFlag;

                mX0              = object->mX0;
                mY0              = object->mY0;
                mW               = object->mW;
                mH               = object->mH;
                mLockAspectRatio = object->mLockAspectRatio;

                mShadowState     = object->mShadowState;
                mShadowX         = object->mShadowX;
                mShadowY         = object->mShadowY;
                mShadowOpacity   = object->mShadowOpacity;
                mShadowColorNode = object->mShadowColorNode;

                if ( object->mOutline.isEnabled() )
                {
                        mOutline = object->mOutline;
                        mOutline.setOwner( this );
                }

                for ( auto& handle : object->mHandles )
                {
                        mHandles.push_back( Handle( this, handle.location() ) );
                }

                mMatrix          = object->mMatrix;
        }


        ///
        /// ID Property Getter
        ///
        int ModelObject::id() const
        {
                return mId;
        }


        ///
        /// Selected Property Getter
        ///
        bool ModelObject::isSelected() const
        {
                return mSelectedFlag;
        }


        ///
        /// Selected Property Setter
        ///
        void ModelObject::select( bool value )
        {
                mSelectedFlag = value;
        }


        ///
        /// Clear Selected Property Setter
        ///
        void ModelObject::unselect()
        {
                mSelectedFlag = false;
        }


        ///
        /// X0 Property Getter
        ///
        Distance ModelObject::x0() const
        {
                return mX0;
        }


        ///
        /// X0 Property Setter
        ///
        void ModelObject::setX0( Distance value )
        {
                if ( mX0 != value )
                {
                        mX0 = value;
                        emit moved();
                }
        }


        ///
        /// Y0 Property Getter
        ///
        Distance ModelObject::y0() const
        {
                return mY0;
        }


        ///
        /// Y0 Property Setter
        ///
        void ModelObject::setY0( Distance value )
        {
                if ( mY0 != value )
                {
                        mY0 = value;
                        emit moved();
                }
        }


        ///
        /// W (Width) Property Getter
        ///
        Distance ModelObject::w() const
        {
                return mW;
        }


        ///
        /// W (Width) Property Setter
        ///
        void ModelObject::setW( Distance value )
        {
                if ( mW != value )
                {
                        mW = value;
                        sizeUpdated();
                        emit changed();
                }
        }


        ///
        /// H (Height) Property Getter
        ///
        Distance ModelObject::h() const
        {
                return mH;
        }


        ///
        /// H (Height) Property Setter
        ///
        void ModelObject::setH( Distance value )
        {
                if ( mH != value )
                {
                        mH = value;
                        sizeUpdated();
                        emit changed();
                }
        }


        ///
        /// Lock Aspect Ratio Property Getter
        ///
        bool ModelObject::lockAspectRatio() const
        {
                return mLockAspectRatio;
        }


        ///
        /// Lock Aspect Ratio Property Setter
        ///
        void ModelObject::setLockAspectRatio( bool value )
        {
                if ( mLockAspectRatio != value )
                {
                        mLockAspectRatio = value;
                        emit changed();
                }
        }


        ///
        /// Matrix Property Getter
        ///
        QTransform ModelObject::matrix() const
        {
                return mMatrix;
        }


        ///
        /// Matrix Property Setter
        ///
        void ModelObject::setMatrix( const QTransform& value )
        {
                if ( mMatrix != value )
                {
                        mMatrix = value;
                        emit changed();
                }
        }


        ///
        /// Shadow State Property Getter
        ///
        bool ModelObject::shadow() const
        {
                return mShadowState;
        }


        ///
        /// Shadow State Property Setter
        ///
        void ModelObject::setShadow( bool value )
        {
                if ( mShadowState != value )
                {
                        mShadowState = value;
                        emit changed();
                }
        }


        ///
        /// Shadow X Property Getter
        ///
        Distance ModelObject::shadowX() const
        {
                return mShadowX;
        }


        ///
        /// Shadow X Property Setter
        ///
        void ModelObject::setShadowX( Distance value )
        {
                if ( mShadowX != value )
                {
                        mShadowX = value;
                        emit changed();
                }
        }


        ///
        /// Shadow Y Property Getter
        ///
        Distance ModelObject::shadowY() const
        {
                return mShadowY;
        }


        ///
        /// Shadow Y Property Setter
        ///
        void ModelObject::setShadowY( Distance value )
        {
                if ( mShadowY != value )
                {
                        mShadowY = value;
                        emit changed();
                }
        }


        ///
        /// Shadow Opacity Property Getter
        ///
        double ModelObject::shadowOpacity() const
        {
                return mShadowOpacity;
        }


        ///
        /// Shadow Opacity Property Setter
        ///
        void ModelObject::setShadowOpacity( double value )
        {
                if ( mShadowOpacity != value )
                {
                        mShadowOpacity = value;
                        emit changed();
                }
        }


        ///
        /// Shadow Color Node Property Getter
        ///
        ColorNode ModelObject::shadowColorNode() const
        {
                return mShadowColorNode;
        }


        ///
        /// Shadow Color Node Property Setter
        ///
        void ModelObject::setShadowColorNode( const ColorNode& value )
        {
                if ( mShadowColorNode != value )
                {
                        mShadowColorNode = value;
                        emit changed();
                }
        }


        ///
        /// Virtual Natural Size Property Default Getter
        /// (Overridden by concrete class)
        ///
        Size ModelObject::naturalSize() const
        {
                return Size( Distance::pt(0), Distance::pt(0) );
        }


        ///
        /// Virtual Text Property Default Getter
        /// (Overridden by concrete class)
        ///
        QString ModelObject::text() const
        {
                return "";
        }


        ///
        /// Virtual Text Property Default Setter
        /// (Overridden by concrete class)
        ///
        void ModelObject::setText( const QString& value )
        {
                // empty
        }


        ///
        /// Virtual Font Family Property Default Getter
        /// (Overridden by concrete class)
        ///
        QString ModelObject::fontFamily() const
        {
                return "";
        }


        ///
        /// Virtual Font Family Property Default Setter
        /// (Overridden by concrete class)
        ///
        void ModelObject::setFontFamily( const QString& value )
        {
                // empty
        }


        ///
        /// Virtual Font Size Property Default Getter
        /// (Overridden by concrete class)
        ///
        double ModelObject::fontSize() const
        {
                return 0;
        }


        ///
        /// Virtual Font Size Property Default Setter
        /// (Overridden by concrete class)
        ///
        void ModelObject::setFontSize( double value )
        {
                // empty
        }


        ///
        /// Virtual Font Weight Property Default Getter
        /// (Overridden by concrete class)
        ///
        QFont::Weight ModelObject::fontWeight() const
        {
                return QFont::Normal;
        }


        ///
        /// Virtual Font Weight Property Default Setter
        /// (Overridden by concrete class)
        ///
        void ModelObject::setFontWeight( QFont::Weight value )
        {
                // empty
        }


        ///
        /// Virtual Font Italic Flag Property Default Getter
        /// (Overridden by concrete class)
        ///
        bool ModelObject::fontItalicFlag() const
        {
                return false;
        }


        ///
        /// Virtual Font Italic Flag Property Default Setter
        /// (Overridden by concrete class)
        ///
        void ModelObject::setFontItalicFlag( bool value )
        {
                // empty
        }


        ///
        /// Virtual Font Underline Flag Property Default Getter
        /// (Overridden by concrete class)
        ///
        bool ModelObject::fontUnderlineFlag() const
        {
                return false;
        }


        ///
        /// Virtual Font Underline Flag Property Default Setter
        /// (Overridden by concrete class)
        ///
        void ModelObject::setFontUnderlineFlag( bool value )
        {
                // empty
        }


        ///
        /// Virtual Text Color Node Property Default Getter
        /// (Overridden by concrete class)
        ///
        ColorNode ModelObject::textColorNode() const
        {
                return ColorNode( QColor::fromRgba(0x00000000) );
        }


        ///
        /// Virtual Text Color Node Property Default Setter
        /// (Overridden by concrete class)
        ///
        void ModelObject::setTextColorNode( const ColorNode &value )
        {
                // empty
        }


        ///
        /// Virtual Text Horizontal Alignment Property Default Getter
        /// (Overridden by concrete class)
        ///
        Qt::Alignment ModelObject::textHAlign() const
        {
                return Qt::AlignLeft;
        }


        ///
        /// Virtual Text Horizontal Alignment Property Default Setter
        /// (Overridden by concrete class)
        ///
        void ModelObject::setTextHAlign( Qt::Alignment value )
        {
                // empty
        }


        ///
        /// Virtual Text Vertical Alignment Property Default Getter
        /// (Overridden by concrete class)
        ///
        Qt::Alignment ModelObject::textVAlign() const
        {
                return Qt::AlignTop;
        }


        ///
        /// Virtual Text Vertical Alignment Property Default Setter
        /// (Overridden by concrete class)
        ///
        void ModelObject::setTextVAlign( Qt::Alignment value )
        {
                // empty
        }


        ///
        /// Virtual Text Wrap Mode Property Default Getter
        /// (Overridden by concrete class)
        ///
        QTextOption::WrapMode ModelObject::textWrapMode() const
        {
                return QTextOption::WordWrap;
        }


        ///
        /// Virtual Text Wrap Mode Property Default Setter
        /// (Overridden by concrete class)
        ///
        void ModelObject::setTextWrapMode( QTextOption::WrapMode value )
        {
                // empty
        }


        ///
        /// Virtual Text Line Spacing Property Default Getter
        /// (Overridden by concrete class)
        ///
        double ModelObject::textLineSpacing() const
        {
                return 0;
        }


        ///
        /// Virtual Text Line Spacing Property Default Setter
        /// (Overridden by concrete class)
        ///
        void ModelObject::setTextLineSpacing( double value )
        {
                // empty
        }


        ///
        /// Virtual Text Auto Shrink Property Default Getter
        /// (Overridden by concrete class)
        ///
        bool ModelObject::textAutoShrink() const
        {
                return false;
        }


        ///
        /// Virtual Text Auto Shrink Property Default Setter
        /// (Overridden by concrete class)
        ///
        void ModelObject::setTextAutoShrink( bool value )
        {
                // empty
        }


        ///
        /// Virtual Filename Node Property Default Getter
        /// (Overridden by concrete class)
        ///
        TextNode ModelObject::filenameNode() const
        {
                return TextNode();
        }


        ///
        /// Virtual Filename Node Property Default Setter
        /// (Overridden by concrete class)
        ///
        void ModelObject::setFilenameNode( const TextNode& value )
        {
                // empty
        }


        ///
        /// Virtual Image Property Default Getter
        /// (Overridden by concrete class)
        ///
        const QImage& ModelObject::image() const
        {
                static QImage dummyImage;
                return dummyImage;
        }


        ///
        /// Virtual Image Property Default Setter
        /// (Overridden by concrete class)
        ///
        void ModelObject::setImage( const QImage& value )
        {
                // empty
        }


        ///
        /// Virtual Image Property Default Setter
        /// (Overridden by concrete class)
        ///
        void ModelObject::setImage( const QString& name, const QImage& value )
        {
                // empty
        }


        ///
        /// Virtual SVG Property Default Getter
        /// (Overridden by concrete class)
        ///
        const QByteArray& ModelObject::svg() const
        {
                static QByteArray dummySvg;
                return dummySvg;
        }


        ///
        /// Virtual SVG Property Default Setter
        /// (Overridden by concrete class)
        ///
        void ModelObject::setSvg( const QString& name, const QByteArray& value )
        {
                // empty
        }


        ///
        /// Virtual Line Width Property Default Getter
        /// (Overridden by concrete class)
        ///
        Distance ModelObject::lineWidth() const
        {
                return 0;
        }


        ///
        /// Virtual Line Width Property Default Setter
        /// (Overridden by concrete class)
        ///
        void ModelObject::setLineWidth( Distance value )
        {
                // empty
        }


        ///
        /// Virtual Line Color Node Property Default Getter
        /// (Overridden by concrete class)
        ///
        ColorNode ModelObject::lineColorNode() const
        {
                return ColorNode( QColor::fromRgba(0x00000000) );
        }


        ///
        /// Virtual Line Color Node Property Default Setter
        /// (Overridden by concrete class)
        ///
        void ModelObject::setLineColorNode( const ColorNode &value )
        {
                // empty
        }


        ///
        /// Virtual Fill Color Node Property Default Getter
        /// (Overridden by concrete class)
        ///
        ColorNode ModelObject::fillColorNode() const
        {
                return ColorNode( QColor::fromRgba(0x00000000) );
        }


        ///
        /// Virtual Fill Color Node Property Default Setter
        /// (Overridden by concrete class)
        ///
        void ModelObject::setFillColorNode( const ColorNode &value )
        {
                // empty
        }


        ///
        /// Virtual Barcode Data Property Default Getter
        /// (Overridden by concrete class)
        ///
        QString ModelObject::bcData() const
        {
                return QString();
        }


        ///
        /// Virtual Barcode Data Node Property Default Setter
        /// (Overridden by concrete class)
        ///
        void ModelObject::setBcData( const QString& value )
        {
                // empty
        }


        ///
        /// Virtual Barcode Text Flag Property Default Getter
        /// (Overridden by concrete class)
        ///
        bool ModelObject::bcTextFlag() const
        {
                return false;
        }


        ///
        /// Virtual Barcode Text Flag Property Default Setter
        /// (Overridden by concrete class)
        ///
        void ModelObject::setBcTextFlag( bool value )
        {
                // empty
        }


        ///
        /// Virtual Barcode Checksum Flag Property Default Getter
        /// (Overridden by concrete class)
        ///
        bool ModelObject::bcChecksumFlag() const
        {
                return false;
        }


        ///
        /// Virtual Barcode Checksum Flag Property Default Setter
        /// (Overridden by concrete class)
        ///
        void ModelObject::setBcChecksumFlag( bool value )
        {
                // empty
        }


        ///
        /// Virtual Barcode Color Node Property Default Getter
        /// (Overridden by concrete class)
        ///
        ColorNode ModelObject::bcColorNode() const
        {
                return ColorNode( QColor::fromRgba(0x00000000) );
        }


        ///
        /// Virtual Barcode Color Node Property Default Setter
        /// (Overridden by concrete class)
        ///
        void ModelObject::setBcColorNode( const ColorNode &value )
        {
                // empty
        }


        ///
        /// Virtual Barcode Style Property Default Getter
        /// (Overridden by concrete class)
        ///
        barcode::Style ModelObject::bcStyle() const
        {
                return barcode::Style();
        }


        ///
        /// Virtual Barcode Style Property Default Setter
        /// (Overridden by concrete class)
        ///
        void ModelObject::setBcStyle( const barcode::Style &value )
        {
                // empty
        }


        ///
        /// Virtual Barcode Format Digits Property Default Getter
        /// (Overridden by concrete class)
        ///
        int ModelObject::bcFormatDigits() const
        {
                return 0;
        }


        ///
        /// Virtual Barcode Format Digits Property Default Setter
        /// (Overridden by concrete class)
        ///
        void ModelObject::setBcFormatDigits( int value )
        {
                // empty
        }


        ///
        /// Virtual Can Text Capability Read-Only Property Default Getter
        /// (Overridden by concrete class)
        ///
        bool ModelObject::canText() const
        {
                return false;
        }


        ///
        /// Virtual Can Fill Capability Read-Only Property Default Getter
        /// (Overridden by concrete class)
        ///
        bool ModelObject::canFill() const
        {
                return false;
        }


        ///
        /// Virtual Can Line Color Capability Read-Only Property Default Getter
        /// (Overridden by concrete class)
        ///
        bool ModelObject::canLineColor() const
        {
                return false;
        }


        ///
        /// Virtual Can Line Width Capability Read-Only Property Default Getter
        /// (Overridden by concrete class)
        ///
        bool ModelObject::canLineWidth() const
        {
                return false;
        }


        ///
        /// Set Absolute Position
        ///
        void ModelObject::setPosition( Distance x0,
                                       Distance y0 )
        {
                if ( ( mX0 != x0 ) || ( mY0 != y0 ) )
                {
                        mX0 = x0;
                        mY0 = y0;

                        emit moved();
                }
        }


        ///
        /// Set Relative Position
        ///
        void ModelObject::setPositionRelative( Distance dx,
                                               Distance dy )
        {
                if ( ( dx != 0 ) || ( dy != 0 ) )
                {
                        mX0 += dx;
                        mY0 += dy;

                        emit moved();
                }
        }


        ///
        /// Get Size
        ///
        Size ModelObject::size() const
        {
                return Size( mW, mH );
        }


        ///
        /// Set Size
        ///
        void ModelObject::setSize( Distance w,
                                   Distance h )
        {
                mW = w;
                mH = h;

                sizeUpdated();
                emit changed();
        }


        ///
        /// Set Size
        ///
        void ModelObject::setSize( Size size )
        {
                mW = size.w();
                mH = size.h();

                sizeUpdated();
                emit changed();
        }


        ///
        /// Set Size (But Maintain Current Aspect Ratio)
        ///
        void ModelObject::setSizeHonorAspect( Distance w,
                                              Distance h )
        {
                double aspectRatio = mH / mW;
                Distance wNew = w;
                Distance hNew = h;

                if ( h > (w*aspectRatio) )
                {
                        hNew = w*aspectRatio;
                }
                else
                {
                        wNew = h/aspectRatio;
                }

                setSize( wNew, hNew );
        }


        ///
        /// Set Width (But Maintain Current Aspect Ratio)
        ///
        void ModelObject::setWHonorAspect( Distance w )
        {
                double aspectRatio = mH / mW;
                Distance h = w * aspectRatio;

                if ( ( mW != w ) || ( mH != h ) )
                {
                        mW = w;
                        mH = h;

                        sizeUpdated();
                        emit changed();
                }
        }


        ///
        /// Set Height (But Maintain Current Aspect Ratio)
        ///
        void ModelObject::setHHonorAspect( Distance h )
        {
                double aspectRatio = mH / mW;
                Distance w = h / aspectRatio;

                if ( ( mW != w ) || ( mH != h ) )
                {
                        mW = w;
                        mH = h;

                        sizeUpdated();
                        emit changed();
                }
        }


        ///
        /// Get Extent of Bounding Box
        ///
        Region ModelObject::getExtent()
        {
                QPointF a1( (   - lineWidth()/2).pt(), (   - lineWidth()/2).pt() );
                QPointF a2( (mW + lineWidth()/2).pt(), (   - lineWidth()/2).pt() );
                QPointF a3( (mW + lineWidth()/2).pt(), (mH + lineWidth()/2).pt() );
                QPointF a4( (   - lineWidth()/2).pt(), (mH + lineWidth()/2).pt() );

                a1 = mMatrix.map( a1 );
                a2 = mMatrix.map( a2 );
                a3 = mMatrix.map( a3 );
                a4 = mMatrix.map( a4 );

                Region region;
                region.setX1( min( a1.x(), min( a2.x(), min( a3.x(), a4.x() ) ) ) + mX0 );
                region.setY1( min( a1.y(), min( a2.y(), min( a3.y(), a4.y() ) ) ) + mY0 );
                region.setX2( max( a1.x(), max( a2.x(), max( a3.x(), a4.x() ) ) ) + mX0 );
                region.setY2( max( a1.y(), max( a2.y(), max( a3.y(), a4.y() ) ) ) + mY0 );

                return region;
        }


        ///
        /// Rotate Object
        ///
        void ModelObject::rotate( double thetaDegs )
        {
                if ( thetaDegs != 0 )
                {
                        QTransform m;
                        m.rotate( thetaDegs );
                        mMatrix *= m;

                        emit changed();
                }
        }


        ///
        /// Flip Object Horizontally
        ///
        void ModelObject::flipHoriz()
        {
                QTransform m;
                m.scale( -1, 1 );
                mMatrix *= m;

                emit changed();
        }


        ///
        /// Flip Object Vertically
        ///
        void ModelObject::flipVert()
        {
                QTransform m;
                m.scale( 1, -1 );
                mMatrix *= m;

                emit changed();
        }


        ///
        /// Is this object located at x,y?
        ///
        bool ModelObject::isLocatedAt( double   scale,
                                       Distance x,
                                       Distance y ) const
        {
                QPointF p( x.pt(), y.pt() );

                /*
                 * Change point to object relative coordinates
                 */
                p -= QPointF( mX0.pt(), mY0.pt() ); // Translate point to x0,y0
                p = mMatrix.inverted().map( p );

                if ( hoverPath( scale ).contains( p ) )
                {
                        return true;
                }
                else if ( isSelected() )
                {
                        if ( mOutline.hoverPath( scale ).contains( p ) )
                        {
                                return true;
                        }
                }

                return false;
        }


        ///
        /// Is one of this object's handles locate at x,y?  If so, return it.
        ///
        const Handle& ModelObject::handleAt( double   scale,
                                             Distance x,
                                             Distance y ) const
        {
                static Handle nullHandle;

                if ( mSelectedFlag )
                {
                        QPointF p( x.pt(), y.pt() );
                        p -= QPointF( mX0.pt(), mY0.pt() ); // Translate point to x0,y0

                        for ( auto& handle : mHandles )
                        {
                                QPainterPath handlePath = mMatrix.map( handle.path( scale ) );
                                if ( handlePath.contains( p ) )
                                {
                                        return handle;
                                }
                        }
                }

                return nullHandle;
        }


        ///
        /// Draw object + shadow
        ///
        void ModelObject::draw( QPainter*            painter,
                                bool                 inEditor,
                                const merge::Record& record,
                                const Variables&     variables ) const
        {
                painter->save();
                painter->translate( mX0.pt(), mY0.pt() );

                if ( mShadowState )
                {
                        painter->save();
                        painter->translate( mShadowX.pt(), mShadowY.pt() );
                        painter->setTransform( mMatrix, true );
                        drawShadow( painter, inEditor, record, variables );
                        painter->restore();
                }

                painter->setTransform( mMatrix, true );
                drawObject( painter, inEditor, record, variables );

                painter->restore();
        }


        ///
        /// Draw selection highlights
        ///
        void ModelObject::drawSelectionHighlight( QPainter* painter, double scale ) const
        {
                painter->save();

                painter->translate( mX0.pt(), mY0.pt() );
                painter->setTransform( mMatrix, true );

                mOutline.draw( painter );

                for( auto& handle : mHandles )
                {
                        handle.draw( painter, scale );
                }

                painter->restore();
        }


        ///
        /// Default sizeUpdated implementation.
        ///
        void ModelObject::sizeUpdated()
        {
                // empty
        }

}
