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libreoffice/chart2/source/inc/DataInterpreter.hxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

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5.5 KiB
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/* -*- 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 .
*/
#pragma once
#include "DataSeries.hxx"
#include <cppuhelper/implbase.hxx>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <com/sun/star/chart2/data/XDataSource.hpp>
#include <rtl/ref.hxx>
#include <vector>
namespace chart
{
class DataSeries;
class DataSource;
class LabeledDataSequence;
/** offers tooling to interpret different data sources in a structural
and chart-type-dependent way.
*/
struct InterpretedData
{
std::vector< std::vector< rtl::Reference<::chart::DataSeries> > > Series;
css::uno::Reference< css::chart2::data::XLabeledDataSequence > Categories;
};
/** offers tooling to interpret different data sources in a structural
and chart-type-dependent way.
*/
class SAL_DLLPUBLIC_RTTI DataInterpreter : public ::cppu::WeakImplHelper<
css::lang::XServiceInfo >
{
public:
explicit DataInterpreter();
virtual ~DataInterpreter() override;
/// XServiceInfo declarations
virtual OUString SAL_CALL getImplementationName() override;
virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
// convenience methods
static OUString GetRole( const css::uno::Reference< css::chart2::data::XDataSequence > & xSeq );
static void SetRole(
const css::uno::Reference< css::chart2::data::XDataSequence > & xSeq,
const OUString & rRole );
static css::uno::Any GetProperty(
const css::uno::Sequence<css::beans::PropertyValue > & aArguments,
std::u16string_view rName );
static bool HasCategories(
const css::uno::Sequence< css::beans::PropertyValue > & rArguments,
const std::vector< css::uno::Reference< css::chart2::data::XLabeledDataSequence > > & rData );
static bool UseCategoriesAsX(
const css::uno::Sequence< css::beans::PropertyValue > & rArguments );
static std::vector<css::uno::Reference< css::chart2::data::XLabeledDataSequence >> getDataSequences(
const css::uno::Reference< css::chart2::data::XDataSource >& xSource);
// ____ DataInterpreter ____
/** Interprets the given data.
@param xSource
the data source.
@param aArguments
Arguments that tell the template how to slice the given
range. The properties should be defined in a separate
service.
<p>For standard parameters that may be used, see the
service StandardDiagramCreationParameters.
</p>
@param aSeriesToReUse
use all the data series given here for the result before
creating new ones.
*/
virtual InterpretedData interpretDataSource(
const css::uno::Reference< css::chart2::data::XDataSource >& xSource,
const css::uno::Sequence< css::beans::PropertyValue >& aArguments,
const std::vector< rtl::Reference< ::chart::DataSeries > >& aSeriesToReUse );
/** Re-interprets the data given in <code>aInterpretedData</code>
while keeping the number of data series and the categories.
*/
virtual InterpretedData reinterpretDataSeries(
const InterpretedData& aInterpretedData );
/** parses the given data and states, if a
reinterpretDataSeries() call can be done
without data loss.
@return
`TRUE`, if the data given in
<code>aInterpretedData</code> has a similar structure than
the one required is used as output of the data interpreter.
*/
virtual bool isDataCompatible(
const InterpretedData& aInterpretedData );
/** Try to reverse the operation done in
interpretDataSource().
<p>In case <code>aInterpretedData</code> is the result of
interpretDataSource()( <code>xSource</code> ),
the result of this method should be <code>xSource</code>.</p>
*/
static rtl::Reference< ::chart::DataSource > mergeInterpretedData(
const InterpretedData& aInterpretedData );
/** Get chart information that is specific to a particular chart
type, by key.
@param sKey
name of the piece of data to retrieve.
<p>Supported key strings:</p>
<ul>
<li><tt>"stock variant"</tt>: stock chart variant,
with 0 = neither Open Values nor volume, 1 = Open Values,
2 = volume, 3 = both. Valid for candlestick charts.</li>
</ul>
@return
The value requested, or nothing if not present.
*/
virtual css::uno::Any getChartTypeSpecificData(
const OUString& sKey );
};
} // namespace chart
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */