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// include ---------------------------------------------------------------

#include "svx/XPropertyTable.hxx"

#include <vcl/virdev.hxx>
#include <svl/itemset.hxx>
#include <svx/dialogs.hrc>
#include <svx/dialmgr.hxx>
#include <svx/xtable.hxx>
#include <svx/xpool.hxx>
#include <svx/xfillit0.hxx>
#include <svx/xflgrit.hxx>

#include <svx/svdorect.hxx>
#include <svx/svdmodel.hxx>
#include <svx/sdr/contact/objectcontactofobjlistpainter.hxx>
#include <svx/sdr/contact/displayinfo.hxx>
#include <vcl/svapp.hxx>
#include <svx/xlnclit.hxx>
#include <svx/xgrscit.hxx>

using namespace com::sun::star;

class impXGradientList
{
private:
    VirtualDevice*          mpVirtualDevice;
    SdrModel*               mpSdrModel;
    SdrObject*              mpBackgroundObject;

public:
    impXGradientList(VirtualDevice* pV, SdrModel* pM, SdrObject* pB)
    :   mpVirtualDevice(pV),
        mpSdrModel(pM),
        mpBackgroundObject(pB)
    {}

    ~impXGradientList()
    {
        delete mpVirtualDevice;
        SdrObject::Free(mpBackgroundObject);
        delete mpSdrModel;
    }

    VirtualDevice* getVirtualDevice() const { return mpVirtualDevice; }
    SdrObject* getBackgroundObject() const { return mpBackgroundObject; }
};

void XGradientList::impCreate()
{
    if(!mpData)
    {
        const Point aZero(0, 0);
        const StyleSettings& rStyleSettings = Application::GetSettings().GetStyleSettings();

        VirtualDevice* pVirDev = new VirtualDevice;
        OSL_ENSURE(0 != pVirDev, "XGradientList: no VirtualDevice created!" );
        pVirDev->SetMapMode(MAP_100TH_MM);
        const Size aSize(pVirDev->PixelToLogic(Size(BITMAP_WIDTH, BITMAP_HEIGHT)));
        pVirDev->SetOutputSize(aSize);
        pVirDev->SetDrawMode(rStyleSettings.GetHighContrastMode()
            ? DRAWMODE_SETTINGSLINE | DRAWMODE_SETTINGSFILL | DRAWMODE_SETTINGSTEXT | DRAWMODE_SETTINGSGRADIENT
            : DRAWMODE_DEFAULT);

        SdrModel* pSdrModel = new SdrModel();
        OSL_ENSURE(0 != pSdrModel, "XGradientList: no SdrModel created!" );
        pSdrModel->GetItemPool().FreezeIdRanges();

        const Size aSinglePixel(pVirDev->PixelToLogic(Size(1, 1)));
        const Rectangle aBackgroundSize(aZero, Size(aSize.getWidth() - aSinglePixel.getWidth(), aSize.getHeight() - aSinglePixel.getHeight()));
        SdrObject* pBackgroundObject = new SdrRectObj(aBackgroundSize);
        OSL_ENSURE(0 != pBackgroundObject, "XGradientList: no BackgroundObject created!" );
        pBackgroundObject->SetModel(pSdrModel);
        pBackgroundObject->SetMergedItem(XFillStyleItem(XFILL_GRADIENT));
        pBackgroundObject->SetMergedItem(XLineStyleItem(XLINE_SOLID));
        pBackgroundObject->SetMergedItem(XLineColorItem(String(), Color(COL_BLACK)));
        pBackgroundObject->SetMergedItem(XGradientStepCountItem(sal_uInt16((BITMAP_WIDTH + BITMAP_HEIGHT) / 3)));

        mpData = new impXGradientList(pVirDev, pSdrModel, pBackgroundObject);
        OSL_ENSURE(0 != mpData, "XGradientList: data creation went wrong!" );
    }
}

void XGradientList::impDestroy()
{
    if(mpData)
    {
        delete mpData;
        mpData = 0;
    }
}

XGradientList::XGradientList( const String& rPath, XOutdevItemPool* pInPool ) :
    XPropertyList( XGRADIENT_LIST, rPath, pInPool ),
    mpData( NULL )
{
    pBmpList = new BitmapList_impl();
}

XGradientList::~XGradientList()
{
    if(mpData)
    {
        delete mpData;
        mpData = 0;
    }
}

XGradientEntry* XGradientList::Replace(XGradientEntry* pEntry, long nIndex )
{
    return( (XGradientEntry*) XPropertyList::Replace( pEntry, nIndex ) );
}

XGradientEntry* XGradientList::Remove(long nIndex)
{
    return( (XGradientEntry*) XPropertyList::Remove( nIndex ) );
}

XGradientEntry* XGradientList::GetGradient(long nIndex) const
{
    return( (XGradientEntry*) XPropertyList::Get( nIndex, 0 ) );
}

uno::Reference< container::XNameContainer > XGradientList::createInstance()
{
    return uno::Reference< container::XNameContainer >(
        SvxUnoXGradientTable_createInstance( this ),
        uno::UNO_QUERY );
}

sal_Bool XGradientList::Create()
{
    XubString aStr( SVX_RES( RID_SVXSTR_GRADIENT ) );
    xub_StrLen nLen;

    aStr.AppendAscii(" 1");
    nLen = aStr.Len() - 1;
    Insert(new XGradientEntry(XGradient(RGB_Color(COL_BLACK  ),RGB_Color(COL_WHITE  ),XGRAD_LINEAR    ,    0,10,10, 0,100,100),aStr));
    aStr.SetChar(nLen, sal_Unicode('2'));
    Insert(new XGradientEntry(XGradient(RGB_Color(COL_BLUE   ),RGB_Color(COL_RED    ),XGRAD_AXIAL     ,  300,20,20,10,100,100),aStr));
    aStr.SetChar(nLen, sal_Unicode('3'));
    Insert(new XGradientEntry(XGradient(RGB_Color(COL_RED    ),RGB_Color(COL_YELLOW ),XGRAD_RADIAL    ,  600,30,30,20,100,100),aStr));
    aStr.SetChar(nLen, sal_Unicode('4'));
    Insert(new XGradientEntry(XGradient(RGB_Color(COL_YELLOW ),RGB_Color(COL_GREEN  ),XGRAD_ELLIPTICAL,  900,40,40,30,100,100),aStr));
    aStr.SetChar(nLen, sal_Unicode('5'));
    Insert(new XGradientEntry(XGradient(RGB_Color(COL_GREEN  ),RGB_Color(COL_MAGENTA),XGRAD_SQUARE    , 1200,50,50,40,100,100),aStr));
    aStr.SetChar(nLen, sal_Unicode('6'));
    Insert(new XGradientEntry(XGradient(RGB_Color(COL_MAGENTA),RGB_Color(COL_YELLOW ),XGRAD_RECT      , 1900,60,60,50,100,100),aStr));

    return( sal_True );
}

sal_Bool XGradientList::CreateBitmapsForUI()
{
    impCreate();

    for( long i = 0; i < Count(); i++)
    {
        Bitmap* pBmp = CreateBitmapForUI( i, sal_False );
        DBG_ASSERT( pBmp, "XGradientList: Bitmap(UI) konnte nicht erzeugt werden!" );

        if( pBmp )
        {
            if ( (size_t)i < pBmpList->size() ) {
                pBmpList->insert( pBmpList->begin() + i, pBmp );
            } else {
                pBmpList->push_back( pBmp );
            }
        }
    }

    impDestroy();

    return( sal_False );
}

Bitmap* XGradientList::CreateBitmapForUI( long nIndex, sal_Bool bDelete )
{
    impCreate();
    VirtualDevice* pVD = mpData->getVirtualDevice();
    SdrObject* pBackgroundObject = mpData->getBackgroundObject();

    pBackgroundObject->SetMergedItem(XFillStyleItem(XFILL_GRADIENT));
    pBackgroundObject->SetMergedItem(XFillGradientItem(GetGradient(nIndex)->GetGradient()));

    sdr::contact::SdrObjectVector aObjectVector;
    aObjectVector.push_back(pBackgroundObject);
    sdr::contact::ObjectContactOfObjListPainter aPainter(*pVD, aObjectVector, 0);
    sdr::contact::DisplayInfo aDisplayInfo;

    aPainter.ProcessDisplay(aDisplayInfo);

    const Point aZero(0, 0);
    Bitmap* pBitmap = new Bitmap(pVD->GetBitmap(aZero, pVD->GetOutputSize()));

    if(bDelete)
    {
        impDestroy();
    }

    return pBitmap;
}

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