/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org 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 Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svx.hxx"
#include <svx/sdr/contact/viewcontactofgroup.hxx>
#include <svx/svdogrp.hxx>
#include <svx/svdpage.hxx>
#include <svx/sdr/contact/viewobjectcontact.hxx>
#include <svx/sdr/contact/viewobjectcontactofgroup.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <basegfx/color/bcolor.hxx>
#include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
#include <drawinglayer/primitive2d/sdrdecompositiontools2d.hxx>

//////////////////////////////////////////////////////////////////////////////

namespace sdr
{
    namespace contact
    {
        // Create a Object-Specific ViewObjectContact, set ViewContact and
        // ObjectContact. Always needs to return something.
        ViewObjectContact& ViewContactOfGroup::CreateObjectSpecificViewObjectContact(ObjectContact& rObjectContact)
        {
            ViewObjectContact* pRetval = new ViewObjectContactOfGroup(rObjectContact, *this);
            DBG_ASSERT(pRetval, "ViewContactOfGroup::CreateObjectSpecificViewObjectContact() failed (!)");

            return *pRetval;
        }

        ViewContactOfGroup::ViewContactOfGroup(SdrObjGroup& rGroup)
        :	ViewContactOfSdrObj(rGroup)
        {
        }

        ViewContactOfGroup::~ViewContactOfGroup()
        {
        }

        drawinglayer::primitive2d::Primitive2DSequence ViewContactOfGroup::createViewIndependentPrimitive2DSequence() const
        {
            drawinglayer::primitive2d::Primitive2DSequence xRetval;
            const sal_uInt32 nObjectCount(GetObjectCount());

            if(nObjectCount)
            {
                // collect all sub-primitives
                for(sal_uInt32 a(0); a < nObjectCount; a++)
                {
                    const ViewContact& rCandidate(GetViewContact(a));
                    const drawinglayer::primitive2d::Primitive2DSequence aCandSeq(rCandidate.getViewIndependentPrimitive2DSequence());
                    
                    drawinglayer::primitive2d::appendPrimitive2DSequenceToPrimitive2DSequence(xRetval, aCandSeq);
                }
            }
            else
            {
                // append an invisible outline for the cases where no visible content exists
                const Rectangle aCurrentBoundRect(GetSdrObjGroup().GetLastBoundRect());
                const basegfx::B2DRange aCurrentRange(
                    aCurrentBoundRect.Left(), aCurrentBoundRect.Top(), 
                    aCurrentBoundRect.Right(), aCurrentBoundRect.Bottom());
                
                const drawinglayer::primitive2d::Primitive2DReference xReference(
                    drawinglayer::primitive2d::createHiddenGeometryPrimitives2D(
                        false, aCurrentRange));

                xRetval = drawinglayer::primitive2d::Primitive2DSequence(&xReference, 1);
            }

            return xRetval;
        }
    } // end of namespace contact
} // end of namespace sdr

//////////////////////////////////////////////////////////////////////////////
// eof

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */