/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */
#include <utility>

#include "vbacolumns.hxx"
#include "vbacolumn.hxx"
#include "vbatablehelper.hxx"
#include "wordvbahelper.hxx"
#include <unotxdoc.hxx>

using namespace ::ooo::vba;
using namespace ::ooo::vba::word;
using namespace ::com::sun::star;

namespace {

class ColumnsEnumWrapper : public EnumerationHelper_BASE
{
    unotools::WeakReference< SwVbaColumns > mxParent;
    uno::Reference< uno::XComponentContext > mxContext;
    uno::Reference< text::XTextTable > mxTextTable;
    uno::Reference< container::XIndexAccess > mxIndexAccess;
    sal_Int32 mnIndex;

public:
    ColumnsEnumWrapper( const rtl::Reference< SwVbaColumns >& xParent, uno::Reference< uno::XComponentContext > xContext, uno::Reference< text::XTextTable >  xTextTable ) : mxParent( xParent ), mxContext(std::move( xContext )), mxTextTable(std::move( xTextTable )), mnIndex( 0 )
    {
        mxIndexAccess = mxTextTable->getColumns();
    }
    virtual sal_Bool SAL_CALL hasMoreElements(  ) override
    {
        return ( mnIndex < mxIndexAccess->getCount() );
    }

    virtual uno::Any SAL_CALL nextElement(  ) override
    {
        if( mnIndex < mxIndexAccess->getCount() )
        {
            return uno::Any( uno::Reference< word::XColumn > ( new SwVbaColumn( mxParent.get(), mxContext, mxTextTable, mnIndex++ ) ) );
        }
        throw container::NoSuchElementException();
    }
};

}

SwVbaColumns::SwVbaColumns( const uno::Reference< XHelperInterface >& xParent, const uno::Reference< uno::XComponentContext > & xContext, uno::Reference< text::XTextTable >  xTextTable, const uno::Reference< table::XTableColumns >& xTableColumns ) : SwVbaColumns_BASE( xParent, xContext, uno::Reference< container::XIndexAccess >( xTableColumns, uno::UNO_QUERY_THROW ) ), mxTextTable(std::move( xTextTable ))
{
    mnStartColumnIndex = 0;
    SwVbaTableHelper aTableHelper( mxTextTable );
    mnEndColumnIndex = aTableHelper.getTabColumnsMaxCount( ) - 1;
}

SwVbaColumns::SwVbaColumns( const uno::Reference< XHelperInterface >& xParent, const uno::Reference< uno::XComponentContext > & xContext, uno::Reference< text::XTextTable >  xTextTable, const uno::Reference< table::XTableColumns >& xTableColumns, sal_Int32 nStartCol, sal_Int32 nEndCol ) : SwVbaColumns_BASE( xParent, xContext, uno::Reference< container::XIndexAccess >( xTableColumns, uno::UNO_QUERY_THROW ) ), mxTextTable(std::move( xTextTable )), mnStartColumnIndex( nStartCol ), mnEndColumnIndex( nEndCol )
{
    if( mnEndColumnIndex < mnStartColumnIndex )
        throw uno::RuntimeException();
}

uno::Reference< word::XColumn > SwVbaColumns::getColumnAtIndex( sal_Int32 index )
{
    return uno::Reference< word::XColumn >( new SwVbaColumn( this, mxContext, mxTextTable, index ) );
}

::sal_Int32 SAL_CALL SwVbaColumns::getWidth()
{
    return getColumnAtIndex( mnStartColumnIndex )->getWidth();
}

void SAL_CALL SwVbaColumns::setWidth( ::sal_Int32 _width )
{
    for( sal_Int32 index = mnStartColumnIndex; index <= mnEndColumnIndex; index++ )
    {
        getColumnAtIndex( index )->setWidth( _width );
    }
}

void SAL_CALL SwVbaColumns::Select(  )
{
    SwVbaColumn::SelectColumn( getCurrentWordDoc(mxContext), mxTextTable, mnStartColumnIndex, mnEndColumnIndex );
}

::sal_Int32 SAL_CALL SwVbaColumns::getCount()
{
    return ( mnEndColumnIndex - mnStartColumnIndex + 1 );
}

uno::Any SAL_CALL SwVbaColumns::Item( const uno::Any& Index1, const uno::Any& /*not processed in this base class*/ )
{
    sal_Int32 nIndex = 0;
    if( Index1 >>= nIndex )
    {
        if( nIndex <= 0 || nIndex > getCount() )
        {
            throw  lang::IndexOutOfBoundsException(u"Index out of bounds"_ustr );
        }
        return uno::Any( uno::Reference< word::XColumn >( new SwVbaColumn( this, mxContext, mxTextTable, nIndex - 1 ) ) );
    }
    throw  uno::RuntimeException(u"Index out of bounds"_ustr );
}

// XEnumerationAccess
uno::Type
SwVbaColumns::getElementType()
{
    return cppu::UnoType<word::XColumn>::get();
}
uno::Reference< container::XEnumeration >
SwVbaColumns::createEnumeration()
{
    return new ColumnsEnumWrapper( this, mxContext, mxTextTable );
}

uno::Any
SwVbaColumns::createCollectionObject( const uno::Any& aSource )
{
    return aSource;
}

OUString
SwVbaColumns::getServiceImplName()
{
    return u"SwVbaColumns"_ustr;
}

uno::Sequence<OUString>
SwVbaColumns::getServiceNames()
{
    static uno::Sequence< OUString > const sNames
    {
        u"ooo.vba.word.Columns"_ustr
    };
    return sNames;
}

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