/*
 * This program source code file is part of KICAD, a free EDA CAD application.
 *
 * Copyright (C) 2020-2023 CERN
 * Copyright The KiCad Developers, see AUTHORS.TXT for contributors.
 * @author Maciej Suminski <maciej.suminski@cern.ch>
 *
 * This program 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.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <wx/dc.h>
#include <wx/propgrid/propgrid.h>

#include <macros.h>
#include <validators.h>
#include <eda_draw_frame.h>
#include <eda_units.h>
#include <properties/color4d_variant.h>
#include <properties/std_optional_variants.h>
#include <properties/eda_angle_variant.h>
#include <properties/pg_properties.h>
#include <properties/pg_editors.h>
#include <properties/property_mgr.h>
#include <properties/property.h>
#include <string_utils.h>
#include <widgets/color_swatch.h>


class wxAnyToSTD_OPTIONAL_INT_VARIANTRegistrationImpl : public wxAnyToVariantRegistration
{
public:
    wxAnyToSTD_OPTIONAL_INT_VARIANTRegistrationImpl( wxVariantDataFactory factory )
        : wxAnyToVariantRegistration( factory )
    {
    }

public:
    static bool IsSameClass(const wxAnyValueType* otherType)
    {
        return AreSameClasses( *s_instance.get(), *otherType );
    }

    static wxAnyValueType* GetInstance()
    {
        return s_instance.get();
    }

    virtual wxAnyValueType* GetAssociatedType() override
    {
        return wxAnyToSTD_OPTIONAL_INT_VARIANTRegistrationImpl::GetInstance();
    }
private:
    static bool AreSameClasses(const wxAnyValueType& a, const wxAnyValueType& b)
    {
        return wxTypeId(a) == wxTypeId(b);
    }

    static wxAnyValueTypeScopedPtr s_instance;
};


wxAnyValueTypeScopedPtr wxAnyToSTD_OPTIONAL_INT_VARIANTRegistrationImpl::s_instance(
        new wxAnyValueTypeImpl<std::optional<int>>() );


static wxAnyToSTD_OPTIONAL_INT_VARIANTRegistrationImpl
        s_wxAnyToSTD_OPTIONAL_INT_VARIANTRegistration(
                &STD_OPTIONAL_INT_VARIANT_DATA::VariantDataFactory );


class wxAnyToSTD_OPTIONAL_DOUBLE_VARIANTRegistrationImpl : public wxAnyToVariantRegistration
{
public:
    wxAnyToSTD_OPTIONAL_DOUBLE_VARIANTRegistrationImpl( wxVariantDataFactory factory )
        : wxAnyToVariantRegistration( factory )
    {
    }

public:
    static bool IsSameClass(const wxAnyValueType* otherType)
    {
        return AreSameClasses( *s_instance.get(), *otherType );
    }

    static wxAnyValueType* GetInstance()
    {
        return s_instance.get();
    }

    virtual wxAnyValueType* GetAssociatedType() override
    {
        return wxAnyToSTD_OPTIONAL_DOUBLE_VARIANTRegistrationImpl::GetInstance();
    }
private:
    static bool AreSameClasses(const wxAnyValueType& a, const wxAnyValueType& b)
    {
        return wxTypeId(a) == wxTypeId(b);
    }

    static wxAnyValueTypeScopedPtr s_instance;
};


wxAnyValueTypeScopedPtr wxAnyToSTD_OPTIONAL_DOUBLE_VARIANTRegistrationImpl::s_instance(
        new wxAnyValueTypeImpl<std::optional<double>>() );


static wxAnyToSTD_OPTIONAL_DOUBLE_VARIANTRegistrationImpl
        s_wxAnyToSTD_OPTIONAL_DOUBLE_VARIANTRegistration(
                &STD_OPTIONAL_DOUBLE_VARIANT_DATA::VariantDataFactory );


class wxAnyToEDA_ANGLE_VARIANTRegistrationImpl : public wxAnyToVariantRegistration
{
public:
    wxAnyToEDA_ANGLE_VARIANTRegistrationImpl( wxVariantDataFactory factory )
        : wxAnyToVariantRegistration( factory )
    {
    }

public:
    static bool IsSameClass(const wxAnyValueType* otherType)
    {
        return AreSameClasses( *s_instance.get(), *otherType );
    }

    static wxAnyValueType* GetInstance()
    {
        return s_instance.get();
    }

    virtual wxAnyValueType* GetAssociatedType() override
    {
        return wxAnyToEDA_ANGLE_VARIANTRegistrationImpl::GetInstance();
    }
private:
    static bool AreSameClasses(const wxAnyValueType& a, const wxAnyValueType& b)
    {
        return wxTypeId(a) == wxTypeId(b);
    }

    static wxAnyValueTypeScopedPtr s_instance;
};


wxAnyValueTypeScopedPtr
        wxAnyToEDA_ANGLE_VARIANTRegistrationImpl::s_instance( new wxAnyValueTypeImpl<EDA_ANGLE>() );


static wxAnyToEDA_ANGLE_VARIANTRegistrationImpl
        s_wxAnyToEDA_ANGLE_VARIANTRegistration( &EDA_ANGLE_VARIANT_DATA::VariantDataFactory );


class wxAnyToCOLOR4D_VARIANTRegistrationImpl : public wxAnyToVariantRegistration
{
public:
    wxAnyToCOLOR4D_VARIANTRegistrationImpl( wxVariantDataFactory factory )
            : wxAnyToVariantRegistration( factory )
    {
    }

public:
    static bool IsSameClass(const wxAnyValueType* otherType)
    {
        return AreSameClasses( *s_instance.get(), *otherType );
    }

    static wxAnyValueType* GetInstance()
    {
        return s_instance.get();
    }

    virtual wxAnyValueType* GetAssociatedType() override
    {
        return wxAnyToCOLOR4D_VARIANTRegistrationImpl::GetInstance();
    }
private:
    static bool AreSameClasses(const wxAnyValueType& a, const wxAnyValueType& b)
    {
        return wxTypeId(a) == wxTypeId(b);
    }

    static wxAnyValueTypeScopedPtr s_instance;
};


wxAnyValueTypeScopedPtr wxAnyToCOLOR4D_VARIANTRegistrationImpl::s_instance(
        new wxAnyValueTypeImpl<KIGFX::COLOR4D>() );


static wxAnyToCOLOR4D_VARIANTRegistrationImpl
        s_wxAnyToCOLOR4D_VARIANTRegistration( &COLOR4D_VARIANT_DATA::VariantDataFactory );


wxPGProperty* PGPropertyFactory( const PROPERTY_BASE* aProperty, EDA_DRAW_FRAME* aFrame )
{
    wxPGProperty* ret = nullptr;
    PROPERTY_DISPLAY display = aProperty->Display();

    switch( display )
    {
    case PROPERTY_DISPLAY::PT_SIZE:
        ret = new PGPROPERTY_SIZE( aFrame );
        ret->SetEditor( PG_UNIT_EDITOR::BuildEditorName( aFrame ) );
        break;

    case PROPERTY_DISPLAY::PT_AREA:
        ret = new PGPROPERTY_AREA( aFrame );
        ret->SetEditor( PG_UNIT_EDITOR::BuildEditorName( aFrame ) );
        break;

    case PROPERTY_DISPLAY::PT_COORD:
        ret = new PGPROPERTY_COORD( aFrame, aProperty->CoordType() );
        ret->SetEditor( PG_UNIT_EDITOR::BuildEditorName( aFrame ) );
        break;

    case PROPERTY_DISPLAY::PT_DECIDEGREE:
    case PROPERTY_DISPLAY::PT_DEGREE:
    {
        PGPROPERTY_ANGLE* prop = new PGPROPERTY_ANGLE();

        if( display == PROPERTY_DISPLAY::PT_DECIDEGREE )
            prop->SetScale( 10.0 );

        ret = prop;
        ret->SetEditor( PG_UNIT_EDITOR::BuildEditorName( aFrame ) );
        break;
    }

    case PROPERTY_DISPLAY::PT_RATIO:
        ret = new PGPROPERTY_RATIO();
        break;

    default:
        wxFAIL;
        KI_FALLTHROUGH;
        /* fall through */
    case PROPERTY_DISPLAY::PT_DEFAULT:
    {
        // Create a corresponding wxPGProperty
        size_t typeId = aProperty->TypeHash();

        // Enum property
        if( aProperty->HasChoices() )
        {
            const_cast<PROPERTY_BASE*>( aProperty )->TranslateChoices();

            // I do not know why enum property takes a non-const reference to wxPGChoices..
            ret = new wxEnumProperty( wxPG_LABEL, wxPG_LABEL,
                                      const_cast<wxPGChoices&>( aProperty->Choices() ) );
        }
        else if( typeId == TYPE_HASH( int ) || typeId == TYPE_HASH( long ) )
        {
            ret = new wxIntProperty();
        }
        else if( typeId == TYPE_HASH( unsigned int ) || typeId == TYPE_HASH( unsigned long ) )
        {
            ret = new wxUIntProperty();
        }
        else if( typeId == TYPE_HASH( float ) || typeId == TYPE_HASH( double ) )
        {
            ret = new wxFloatProperty();
        }
        else if( typeId == TYPE_HASH( bool ) )
        {
            ret = new PGPROPERTY_BOOL();
        }
        else if( typeId == TYPE_HASH( wxString ) )
        {
            ret = new PGPROPERTY_STRING();
        }
        else if( typeId == TYPE_HASH( COLOR4D ) )
        {
            ret = new PGPROPERTY_COLOR4D();
        }
        else
        {
            wxFAIL_MSG( wxString::Format( wxS( "Property %s not supported by PGPropertyFactory" ),
                                          aProperty->Name() ) );
            ret = new wxPropertyCategory();
            ret->Enable( false );
        }

        break;
    }
    }

    if( ret )
    {
        ret->SetLabel( wxGetTranslation( aProperty->Name() ) );
        ret->SetName( aProperty->Name() );
        ret->SetHelpString( wxGetTranslation( aProperty->Name() ) );
        ret->SetClientData( const_cast<PROPERTY_BASE*>( aProperty ) );
    }

    return ret;
}


PGPROPERTY_DISTANCE::PGPROPERTY_DISTANCE( EDA_DRAW_FRAME* aParentFrame,
                                          ORIGIN_TRANSFORMS::COORD_TYPES_T aCoordType ) :
        m_parentFrame( aParentFrame ),
        m_coordType( aCoordType )
{
}


PGPROPERTY_DISTANCE::~PGPROPERTY_DISTANCE()
{
}


#if wxCHECK_VERSION( 3, 3, 0 )
bool PGPROPERTY_DISTANCE::StringToDistance( wxVariant& aVariant, const wxString& aText,
                                            wxPGPropValFormatFlags aFlags ) const
#else
bool PGPROPERTY_DISTANCE::StringToDistance( wxVariant& aVariant, const wxString& aText,
                                            int aFlags ) const
#endif
{
    // TODO(JE): Are there actual use cases for this?
    wxCHECK_MSG( false, false, wxS( "PGPROPERTY_DISTANCE::StringToDistance should not be used." ) );
}


#if wxCHECK_VERSION( 3, 3, 0 )
wxString PGPROPERTY_DISTANCE::DistanceToString( wxVariant& aVariant,
                                                wxPGPropValFormatFlags aFlags ) const
#else
wxString PGPROPERTY_DISTANCE::DistanceToString( wxVariant& aVariant, int aFlags ) const
#endif
{
    long distanceIU;

    if( aVariant.GetType() == wxT( "std::optional<int>" ) )
    {
        auto* variantData = static_cast<STD_OPTIONAL_INT_VARIANT_DATA*>( aVariant.GetData() );

        if( !variantData->Value().has_value() )
            return wxEmptyString;

        distanceIU = variantData->Value().value();
    }
    else if( aVariant.GetType() == wxPG_VARIANT_TYPE_LONG )
    {
        distanceIU = aVariant.GetLong();
    }
    else
    {
        wxFAIL_MSG( wxT( "Expected int (or std::optional<int>) value type" ) );
        return wxEmptyString;
    }

    ORIGIN_TRANSFORMS& transforms = m_parentFrame->GetOriginTransforms();

    distanceIU = transforms.ToDisplay( static_cast<long long int>( distanceIU ), m_coordType );

    return m_parentFrame->StringFromValue( distanceIU, true, EDA_DATA_TYPE::DISTANCE );
}


PGPROPERTY_AREA::PGPROPERTY_AREA( EDA_DRAW_FRAME* aParentFrame ) :
        wxIntProperty( wxPG_LABEL, wxPG_LABEL, 0 ),
        m_parentFrame( aParentFrame )
{
}


#if wxCHECK_VERSION( 3, 3, 0 )
bool PGPROPERTY_AREA::StringToValue( wxVariant& aVariant, const wxString& aText,
                                     wxPGPropValFormatFlags aArgFlags ) const
#else
bool PGPROPERTY_AREA::StringToValue( wxVariant& aVariant, const wxString& aText,
                                    int aArgFlags ) const
#endif
{
    // TODO(JE): Are there actual use cases for this?
    wxCHECK_MSG( false, false, wxS( "PGPROPERTY_AREA::StringToValue should not be used." ) );
}


#if wxCHECK_VERSION( 3, 3, 0 )
wxString PGPROPERTY_AREA::ValueToString( wxVariant& aVariant,
                                         wxPGPropValFormatFlags aArgFlags ) const
#else
wxString PGPROPERTY_AREA::ValueToString( wxVariant& aVariant, int aArgFlags ) const
#endif
{
    wxCHECK( aVariant.GetType() == wxPG_VARIANT_TYPE_LONGLONG, wxEmptyString );

    wxLongLongNative areaIU = aVariant.GetLongLong();

    return m_parentFrame->StringFromValue( areaIU.ToDouble(), true, EDA_DATA_TYPE::AREA );
}


wxValidator* PGPROPERTY_AREA::DoGetValidator() const
{
    return nullptr;
}


PGPROPERTY_SIZE::PGPROPERTY_SIZE( EDA_DRAW_FRAME* aParentFrame ) :
        wxUIntProperty( wxPG_LABEL, wxPG_LABEL, 0 ),
        PGPROPERTY_DISTANCE( aParentFrame, ORIGIN_TRANSFORMS::NOT_A_COORD )
{
}


bool PGPROPERTY_SIZE::ValidateValue( wxVariant& aValue, wxPGValidationInfo& aValidationInfo ) const
{
    if( aValue.GetType() == wxT( "std::optional<int>" ) )
    {
        auto* data = static_cast<STD_OPTIONAL_INT_VARIANT_DATA*>( aValue.GetData() );

        if( !data->Value().has_value() )
            return wxEmptyString;

        wxVariant value( data->Value().value() );
        return wxUIntProperty::ValidateValue( value, aValidationInfo );
    }

    return wxUIntProperty::ValidateValue( aValue, aValidationInfo );
}


wxValidator* PGPROPERTY_SIZE::DoGetValidator() const
{
    return nullptr;
}


PGPROPERTY_COORD::PGPROPERTY_COORD( EDA_DRAW_FRAME* aParentFrame,
                                    ORIGIN_TRANSFORMS::COORD_TYPES_T aCoordType ) :
        wxIntProperty( wxPG_LABEL, wxPG_LABEL, 0 ),
        PGPROPERTY_DISTANCE( aParentFrame, aCoordType )
{
}


wxValidator* PGPROPERTY_COORD::DoGetValidator() const
{
    return nullptr;
}


PGPROPERTY_RATIO::PGPROPERTY_RATIO() :
        wxFloatProperty( wxPG_LABEL, wxPG_LABEL, 0 )
{
    SetEditor( PG_RATIO_EDITOR::EDITOR_NAME );
}


const wxPGEditor* PGPROPERTY_RATIO::DoGetEditorClass() const
{
    wxCHECK_MSG( m_customEditor, wxPGEditor_TextCtrl,
                 wxT( "Make sure to RegisterEditorClass() for PGPROPERTY_RATIO!" ) );
    return m_customEditor;
}


#if wxCHECK_VERSION( 3, 3, 0 )
bool PGPROPERTY_RATIO::StringToValue( wxVariant& aVariant, const wxString& aText,
                                      wxPGPropValFormatFlags aArgFlags ) const
#else
bool PGPROPERTY_RATIO::StringToValue( wxVariant& aVariant, const wxString& aText,
                                      int aArgFlags ) const
#endif
{
    // TODO(JE): Are there actual use cases for this?
    wxCHECK_MSG( false, false, wxS( "PGPROPERTY_RATIO::StringToValue should not be used." ) );
}


#if wxCHECK_VERSION( 3, 3, 0 )
wxString PGPROPERTY_RATIO::ValueToString( wxVariant& aVariant,
                                          wxPGPropValFormatFlags aArgFlags ) const
#else
wxString PGPROPERTY_RATIO::ValueToString( wxVariant& aVariant, int aArgFlags ) const
#endif
{
    double value;

    if( aVariant.GetType() == wxT( "std::optional<double>" ) )
    {
        auto* variantData = static_cast<STD_OPTIONAL_DOUBLE_VARIANT_DATA*>( aVariant.GetData() );

        if( !variantData->Value().has_value() )
            return wxEmptyString;

        value = variantData->Value().value();
    }
    else if( aVariant.GetType() == wxPG_VARIANT_TYPE_DOUBLE )
    {
        value = aVariant.GetDouble();
    }
    else
    {
        wxFAIL_MSG( wxT( "Expected double (or std::optional<double>) value type" ) );
        return wxEmptyString;
    }

    return wxString::Format( wxS( "%g" ), value );
}


bool PGPROPERTY_RATIO::ValidateValue( wxVariant& aValue, wxPGValidationInfo& aValidationInfo ) const
{
    if( aValue.GetType() == wxT( "std::optional<double>" ) )
    {
        auto* data = static_cast<STD_OPTIONAL_DOUBLE_VARIANT_DATA*>( aValue.GetData() );

        if( !data->Value().has_value() )
            return wxEmptyString;

        wxVariant value( data->Value().value() );
        return wxFloatProperty::ValidateValue( value, aValidationInfo );
    }

    return wxFloatProperty::ValidateValue( aValue, aValidationInfo );
}


wxValidator* PGPROPERTY_RATIO::DoGetValidator() const
{
    return nullptr;
}


#if wxCHECK_VERSION( 3, 3, 0 )
bool PGPROPERTY_ANGLE::StringToValue( wxVariant& aVariant, const wxString& aText,
                                      wxPGPropValFormatFlags aArgFlags ) const
#else
bool PGPROPERTY_ANGLE::StringToValue( wxVariant& aVariant, const wxString& aText,
                                      int aArgFlags ) const
#endif
{
    double value = 0.0;

    if( !aText.ToDouble( &value ) )
    {
        aVariant.MakeNull();
        return true;
    }

    value *= m_scale;

    if( aVariant.IsNull() || aVariant.GetDouble() != value )
    {
        aVariant = value;
        return true;
    }

    return false;
}


#if wxCHECK_VERSION( 3, 3, 0 )
wxString PGPROPERTY_ANGLE::ValueToString( wxVariant& aVariant,
                                          wxPGPropValFormatFlags aArgFlags ) const
#else
wxString PGPROPERTY_ANGLE::ValueToString( wxVariant& aVariant, int aArgFlags ) const
#endif
{
    if( aVariant.GetType() == wxT( "std::optional<double>" ) )
    {
        auto* variantData = static_cast<STD_OPTIONAL_DOUBLE_VARIANT_DATA*>( aVariant.GetData() );

        if( variantData->Value().has_value() )
            return wxString::Format( wxS( "%g\u00B0" ), variantData->Value().value() / m_scale );
        else
            return wxEmptyString;
    }
    else if( aVariant.GetType() == wxPG_VARIANT_TYPE_DOUBLE )
    {
        return wxString::Format( wxS( "%g\u00B0" ), aVariant.GetDouble() / m_scale );
    }
    else if( aVariant.GetType() == wxS( "EDA_ANGLE" ) )
    {
        wxString ret;
        static_cast<EDA_ANGLE_VARIANT_DATA*>( aVariant.GetData() )->Write( ret );
        return ret;
    }
    else
    {
        wxCHECK_MSG( false, wxEmptyString, wxS( "Unexpected variant type in PGPROPERTY_ANGLE" ) );
    }
}


wxValidator* PGPROPERTY_ANGLE::DoGetValidator() const
{
    return nullptr;
}


wxSize PGPROPERTY_COLORENUM::OnMeasureImage( int aItem ) const
{
    wxSize size( 16, -1 );

    if( wxPropertyGrid* pg = GetGrid() )
        size = pg->FromDIP( size );

    return size;
}


void PGPROPERTY_COLORENUM::OnCustomPaint( wxDC& aDC, const wxRect& aRect,
                                          wxPGPaintData& aPaintData )
{
    int index = aPaintData.m_choiceItem;

    if( index < 0 )
        index = GetIndex();

    // GetIndex can return -1 when the control hasn't been set up yet
    if( index < 0 || index >= static_cast<int>( GetChoices().GetCount() ) )
        return;

    wxColour color = GetColor( GetChoices().GetValue( index ) );

    if( color == wxNullColour )
        return;

    aDC.SetPen( *wxTRANSPARENT_PEN );
    aDC.SetBrush( wxBrush( color ) );
    aDC.DrawRectangle( aRect );

    aPaintData.m_drawnWidth = aRect.width;
}


#if wxCHECK_VERSION( 3, 3, 0 )
wxString PGPROPERTY_STRING::ValueToString( wxVariant& aValue,
                                           wxPGPropValFormatFlags aFlags ) const
#else
wxString PGPROPERTY_STRING::ValueToString( wxVariant& aValue, int aFlags ) const
#endif
{
    if( aValue.GetType() != wxPG_VARIANT_TYPE_STRING )
        return wxEmptyString;

    return UnescapeString( aValue.GetString() );
}


#if wxCHECK_VERSION( 3, 3, 0 )
bool PGPROPERTY_STRING::StringToValue( wxVariant& aVariant, const wxString& aString,
                                       wxPGPropValFormatFlags aArgFlags ) const
#else
bool PGPROPERTY_STRING::StringToValue( wxVariant& aVariant, const wxString& aString,
                                       int aFlags ) const
#endif
{
    aVariant = EscapeString( aString, CTX_QUOTED_STR );
    return true;
}


PGPROPERTY_BOOL::PGPROPERTY_BOOL( const wxString& aLabel, const wxString& aName, bool aValue ) :
            wxBoolProperty( aLabel, aName, aValue )
{
    SetEditor( PG_CHECKBOX_EDITOR::EDITOR_NAME );
}


const wxPGEditor* PGPROPERTY_BOOL::DoGetEditorClass() const
{
    wxCHECK_MSG( m_customEditor, wxPGEditor_CheckBox,
                 wxT( "Make sure to RegisterEditorClass() for PGPROPERTY_BOOL!" ) );
    return m_customEditor;
}


PGPROPERTY_COLOR4D::PGPROPERTY_COLOR4D( const wxString& aLabel, const wxString& aName,
                                        COLOR4D aValue, COLOR4D aBackgroundColor ) :
        wxStringProperty( aLabel, aName, aValue.ToCSSString() ),
        m_backgroundColor( aBackgroundColor )
{
    SetEditor( PG_COLOR_EDITOR::EDITOR_NAME );
#if wxCHECK_VERSION( 3, 3, 0 )
    SetFlag( wxPGPropertyFlags::NoEditor );
#else
    SetFlag( wxPG_PROP_NOEDITOR );
#endif
}


#if wxCHECK_VERSION( 3, 3, 0 )
bool PGPROPERTY_COLOR4D::StringToValue( wxVariant& aVariant, const wxString& aString,
                                        wxPGPropValFormatFlags aArgFlags ) const
#else
bool PGPROPERTY_COLOR4D::StringToValue( wxVariant& aVariant, const wxString& aString,
                                        int aFlags ) const
#endif
{
    aVariant.SetData( new COLOR4D_VARIANT_DATA( aString ) );
    return true;
}


#if wxCHECK_VERSION( 3, 3, 0 )
wxString PGPROPERTY_COLOR4D::ValueToString( wxVariant& aValue,
                                            wxPGPropValFormatFlags aFlags ) const
#else
wxString PGPROPERTY_COLOR4D::ValueToString( wxVariant& aValue, int aFlags ) const
#endif
{
    wxString ret;

    if( aValue.IsType( wxS( "COLOR4D" ) ) )
        static_cast<COLOR4D_VARIANT_DATA*>( aValue.GetData() )->Write( ret );
    else
        return wxStringProperty::ValueToString( aValue, aFlags );

    return ret;
}