/**************************************************************
 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/


#ifndef CHART2_RANGEHIGHLIGHTER_HXX
#define CHART2_RANGEHIGHLIGHTER_HXX

#include "MutexContainer.hxx"
#include <cppuhelper/compbase2.hxx>
#include <com/sun/star/chart2/data/XRangeHighlighter.hpp>
#include <com/sun/star/view/XSelectionSupplier.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>

namespace com { namespace sun { namespace star {
namespace chart2 {
    class XDiagram;
    class XDataSeries;
    class XAxis;
}}}}

namespace chart
{

namespace impl
{
typedef ::cppu::WeakComponentImplHelper2<
        ::com::sun::star::chart2::data::XRangeHighlighter,
        ::com::sun::star::view::XSelectionChangeListener
    >
    RangeHighlighter_Base;
}

class RangeHighlighter :
        public MutexContainer,
        public impl::RangeHighlighter_Base
{
public:
	explicit RangeHighlighter(
        const ::com::sun::star::uno::Reference<
            ::com::sun::star::view::XSelectionSupplier > & xSelectionSupplier );
	virtual ~RangeHighlighter();

protected:
    // ____ XRangeHighlighter ____
    virtual ::com::sun::star::uno::Sequence< ::com::sun::star::chart2::data::HighlightedRange > SAL_CALL getSelectedRanges()
        throw (::com::sun::star::uno::RuntimeException);
    virtual void SAL_CALL addSelectionChangeListener(
        const ::com::sun::star::uno::Reference< ::com::sun::star::view::XSelectionChangeListener >& xListener )
        throw (::com::sun::star::uno::RuntimeException);
    virtual void SAL_CALL removeSelectionChangeListener(
        const ::com::sun::star::uno::Reference< ::com::sun::star::view::XSelectionChangeListener >& xListener )
        throw (::com::sun::star::uno::RuntimeException);

    // ____ XSelectionChangeListener ____
    virtual void SAL_CALL selectionChanged(
        const ::com::sun::star::lang::EventObject& aEvent )
        throw (::com::sun::star::uno::RuntimeException);

    // ____ XEventListener (base of XSelectionChangeListener) ____
    virtual void SAL_CALL disposing(
        const ::com::sun::star::lang::EventObject& Source )
        throw (::com::sun::star::uno::RuntimeException);

    // ____ WeakComponentImplHelperBase ____
    // is called when dispose() is called at this component
    virtual void SAL_CALL disposing();

private:
    void fireSelectionEvent();
    void startListening();
    void stopListening();
    void determineRanges();

    void fillRangesForDiagram( const ::com::sun::star::uno::Reference< ::com::sun::star::chart2::XDiagram > & xDiagram );
    void fillRangesForDataSeries( const ::com::sun::star::uno::Reference< ::com::sun::star::chart2::XDataSeries > & xSeries );
    void fillRangesForCategories( const ::com::sun::star::uno::Reference< ::com::sun::star::chart2::XAxis > & xAxis );
    void fillRangesForDataPoint( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > & xDataSeries, sal_Int32 nIndex );
    void fillRangesForErrorBars( const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet > & xErrorBar,
                                 const ::com::sun::star::uno::Reference< ::com::sun::star::chart2::XDataSeries > & xDataSeries );

    ::com::sun::star::uno::Reference< ::com::sun::star::view::XSelectionSupplier >
        m_xSelectionSupplier;
    ::com::sun::star::uno::Reference< ::com::sun::star::view::XSelectionChangeListener >
        m_xListener;
    ::com::sun::star::uno::Sequence< ::com::sun::star::chart2::data::HighlightedRange >
        m_aSelectedRanges;
    sal_Int32 m_nAddedListenerCount;
    bool m_bIncludeHiddenCells;
};

} //  namespace chart

// CHART2_RANGEHIGHLIGHTER_HXX
#endif