/* -*- 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 <drawingml/chart/titlecontext.hxx>

#include <drawingml/shapepropertiescontext.hxx>

#include <drawingml/textbodycontext.hxx>

#include <drawingml/chart/datasourcecontext.hxx>

#include <drawingml/chart/titlemodel.hxx>

#include <oox/helper/attributelist.hxx>

#include <oox/token/namespaces.hxx>

#include <osl/diagnose.h>

namespace oox::drawingml::chart {

using ::oox::core::ContextHandler2Helper;

using ::oox::core::ContextHandlerRef;

TextContext::TextContext( ContextHandler2Helper& rParent, TextModel& rModel ) :

    ContextBase< TextModel >( rParent, rModel )

{

}

TextContext::~TextContext()

{

}

ContextHandlerRef TextContext::onCreateContext( sal_Int32 nElement, const AttributeList& )

{

    // this context handler is used for <c:tx> and embedded <c:v> elements

    if( isCurrentElement( C_TOKEN( tx ) ) || isCurrentElement(CX_TOKEN(tx)) ) switch( nElement )

    {

        case C_TOKEN( rich ):

        case CX_TOKEN( rich ):

            return new TextBodyContext( *this, mrModel.mxTextBody.create() );

        case C_TOKEN( strRef ):

            OSL_ENSURE( !mrModel.mxDataSeq, "TextContext::onCreateContext - multiple data sequences" );

            return new StringSequenceContext( *this, mrModel.mxDataSeq.create() );

        case C_TOKEN( v ):

        case CX_TOKEN( v ):

            OSL_ENSURE( !mrModel.mxDataSeq, "TextContext::onCreateContext - multiple data sequences" );

            return this;    // collect value in onCharacters()

        case CX_TOKEN( txData ):

            // CT_TextData can have a <cx:v> element or a sequence

            // <cx:f> <cx:v>. The former case will be handled through the

            // CX_TOKEN(v) above, but the latter is not handled. TODO

            return this;

    }

    return nullptr;

}

void TextContext::onCharacters( const OUString& rChars )

{

    if( isCurrentElement( C_TOKEN( v ) ) )

    {

        // Static text is stored as a single string formula token for Excel document.

        mrModel.mxDataSeq.create().maFormula =  "\"" + rChars + "\"";

        // Also store it as a single element type for non-Excel document.

        mrModel.mxDataSeq->maData[0] <<= rChars;

        mrModel.mxDataSeq->mnPointCount = 1;

    }

}

TitleContext::TitleContext( ContextHandler2Helper& rParent, TitleModel& rModel ) :

    ContextBase< TitleModel >( rParent, rModel )

{

}

TitleContext::~TitleContext()

{

}

ContextHandlerRef TitleContext::onCreateContext( sal_Int32 nElement, const AttributeList& rAttribs )

{

    switch( nElement )

    {

        case C_TOKEN( layout ):

            return new LayoutContext( *this, mrModel.mxLayout.create() );

        case C_TOKEN( overlay ):

            mrModel.mbOverlay = rAttribs.getBool( XML_val, true );

            return nullptr;

        case C_TOKEN( spPr ):

        case CX_TOKEN( spPr ):

            return new ShapePropertiesContext( *this, mrModel.mxShapeProp.create() );

        case C_TOKEN( tx ):

        case CX_TOKEN( tx ):

            return new TextContext( *this, mrModel.mxText.create() );

        case C_TOKEN( txPr ):

        case CX_TOKEN( txPr ):

            return new TextBodyContext( *this, mrModel.mxTextProp.create() );

    }

    return nullptr;

}

LegendEntryContext::LegendEntryContext( ContextHandler2Helper& rParent, LegendEntryModel& rModel ) :

    ContextBase< LegendEntryModel >( rParent, rModel )

{

}

LegendEntryContext::~LegendEntryContext()

{

}

ContextHandlerRef LegendEntryContext::onCreateContext( sal_Int32 nElement, const AttributeList& rAttribs )

{

    // this context handler is used for <c:legendEntry> only

    switch( nElement )

    {

        case C_TOKEN( idx ):

            mrModel.mnLegendEntryIdx = rAttribs.getInteger( XML_val, -1 );

            return nullptr;

        case C_TOKEN( delete ):

            mrModel.mbLabelDeleted = rAttribs.getBool( XML_val, true );

            return nullptr;

    }

    return nullptr;

}

LegendContext::LegendContext( ContextHandler2Helper& rParent,

        LegendModel& rModel,

        bool bOverlay /* = false */,

        sal_Int32 nPos /* = XML_r */) :

    ContextBase< LegendModel >( rParent, rModel )

{

    // These can't be in the initializer list because they're members of

    // ContextBase<LegendModel>

    mrModel.mbOverlay = bOverlay;

    mrModel.mnPosition = nPos;

}

LegendContext::~LegendContext()

{

}

ContextHandlerRef LegendContext::onCreateContext( sal_Int32 nElement, const AttributeList& rAttribs )

{

    switch( nElement )

    {

        case C_TOKEN( layout ):

            return new LayoutContext( *this, mrModel.mxLayout.create() );

        case C_TOKEN( legendPos ):

            mrModel.mnPosition = rAttribs.getToken( XML_val, XML_r );

            return nullptr;

        case C_TOKEN( legendEntry ):

            return new LegendEntryContext( *this, mrModel.maLegendEntries.create() );

        case C_TOKEN( overlay ):

            // For cx, overlay is an attribute of <cx:legend>

            mrModel.mbOverlay = rAttribs.getBool( XML_val, true );

            return nullptr;

        case C_TOKEN( spPr ):

        case CX_TOKEN( spPr ):

            return new ShapePropertiesContext( *this, mrModel.mxShapeProp.create() );

        case C_TOKEN( txPr ):

        case CX_TOKEN( txPr ):

            return new TextBodyContext( *this, mrModel.mxTextProp.create() );

    }

    return nullptr;

}

} // namespace oox::drawingml::chart

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