PlotMSPlotParameterGroups.h

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//# PlotMSPlotParameterGroups.h: Implementations of plot subparameter groups.
//# Copyright (C) 2009
//# Associated Universities, Inc. Washington DC, USA.
//#
//# This library is free software; you can redistribute it and/or modify it
//# under the terms of the GNU Library General Public License as published by
//# the Free Software Foundation; either version 2 of the License, or (at your
//# option) any later version.
//#
//# This library 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 Library General Public
//# License for more details.
//#
//# You should have received a copy of the GNU Library General Public License
//# along with this library; if not, write to the Free Software Foundation,
//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
//#
//# Correspondence concerning AIPS++ should be addressed as follows:
//#        Internet email: aips2-request@nrao.edu.
//#        Postal address: AIPS++ Project Office
//#                        National Radio Astronomy Observatory
//#                        520 Edgemont Road
//#                        Charlottesville, VA 22903-2475 USA
//#
//# $Id: $
#ifndef PLOTMSPLOTPARAMETERGROUPS_H_
#define PLOTMSPLOTPARAMETERGROUPS_H_

#include <plotms/Plots/PlotMSPlotParameters.h>

#include <plotms/PlotMS/PlotMSParameters.h>
#include <plotms/PlotMS/PlotMSAveraging.h>
#include <plotms/PlotMS/PlotMSExportParam.h>
#include <plotms/PlotMS/PlotMSIterParam.h>
#include <plotms/PlotMS/PlotMSSelection.h>
#include <plotms/PlotMS/PlotMSTransformations.h>
#include <plotms/PlotMS/PlotMSCalibration.h>
#include <plotms/PlotMS/PlotMSLabelFormat.h>
#include <plotms/PlotMS/PlotMSPageHeaderParam.h>

#include <tables/Tables/Table.h>
#include <tables/Tables/TableRecord.h>

namespace casa {

// Container class to hold constants for groups.
class PMS_PP {

public:
        // Update flag for redrawing.
        // <group>
        static const casacore::String UPDATE_REDRAW_NAME;
        static const int UPDATE_REDRAW;
        // </group>

        // Update flag for casacore::MS data group.
        // <group>
        static const casacore::String UPDATE_MSDATA_NAME;
        static const int UPDATE_MSDATA;
        // </group>

        // Update flag for cache group.
        // <group>
        static const casacore::String UPDATE_CACHE_NAME;
        static const int UPDATE_CACHE;
        // </group>

        // Update flag for axes group.
        // <group>
        static const casacore::String UPDATE_AXES_NAME;
        static const int UPDATE_AXES;
        // </group>

        // Update flag for canvas group.
        // <group>
        static const casacore::String UPDATE_CANVAS_NAME;
        static const int UPDATE_CANVAS;
        // </group>

        // Update flag for display group.
        // <group>
        static const casacore::String UPDATE_DISPLAY_NAME;
        static const int UPDATE_DISPLAY;
        // </group>

        // Update flag for page header group.
        // <group>
        static const casacore::String UPDATE_PAGEHEADER_NAME;
        static const int UPDATE_PAGEHEADER;
        // </group>

        // Update flag for iteration group.
        // <group>
        static const casacore::String UPDATE_ITERATION_NAME;
        static const int UPDATE_ITERATION;
        // </group>

        // Update flag for log group.
        // <group>
        static const casacore::String UPDATE_LOG_NAME;
        static const int UPDATE_LOG;
        // </group>
        //
        // Update flag for plotms_options group.
        // <group>
        static const casacore::String UPDATE_PLOTMS_OPTIONS_NAME;
        static const int UPDATE_PLOTMS_OPTIONS;
        // </group>

private:
        // Disable constructor.
        PMS_PP() {
        }
};




// Subclass of PlotMSPlotParameters::Group to handle subparameters for casacore::MS data.
// Currently includes:
// * filename
// * selection
// * averaging
//
class PMS_PP_MSData : public PlotMSPlotParameters::Group {

public:
        /* Constructor which takes a factory */
        PMS_PP_MSData (PlotFactoryPtr factory);

        /* Copy constructor.  See operator=(). */
        PMS_PP_MSData (const PMS_PP_MSData & copy);
        ~PMS_PP_MSData();


        /* Overrides PlotMSPlotParameters::Group::operator=(). */
        Group *clone() const {
                return new PMS_PP_MSData (*this);
        }

        /* Implements PlotMSPlotParameters::Group::name(). */
        const casacore::String & name() const {
                static casacore::String groupName = PMS_PP::UPDATE_MSDATA_NAME;
                return groupName;
        }

        /* Implements PlotMSPlotParameters::Group::toRecord(). */
        casacore::Record toRecord() const;

        /* Implements PlotMSPlotParameters::Group::fromRecord(). */
        void fromRecord (const casacore::Record & record);

        /* Implements PlotMSPlotParameters::Group::requiresRedrawOnChanged(). */
        bool requiresRedrawOnChange() const {
                return true;
        }

        /* Overrides the real assignment operator, operator=(). */
        PMS_PP_MSData& operator=(const PMS_PP_MSData& other);

        /* Overrides PlotMSPlotParameters::Group::operator=(). */
        PMS_PP_MSData & operator= (const Group & other);

        /* Overrides PlotMSPlotParameters::Group::operator==(). */
        bool operator== (const Group & other) const;


        bool filenameIsSet() const {
                return !itsFilename_.empty();
        }

        const casacore::String & filename() const {
                return itsFilename_;
        }
        void setFilename (const casacore::String & value) {
                if (itsFilename_ != value) {
                        itsFilename_ = value;
                        updated();
                }
        }

    // based on PlotMSCacheBase::Type enum {MS, CAL}
    const casacore::Int & cacheType() const {
        return itsCacheType_;
    }
        void setCacheType (const casacore::Int & value) {
                if (itsCacheType_ != value) {
                        itsCacheType_ = value;
                        updated();
                }
        }
    const casacore::String & calType() const {
        return itsCalType_;
    }
        void setCalType (const casacore::String & value) {
                if (itsCalType_ != value) {
                        itsCalType_ = value;
                        updated();
                }
        }

        const PlotMSSelection & selection() const {
                return itsSelection_;
        }
        void setSelection (const PlotMSSelection & value) {
                if (itsSelection_ != value) {
                        itsSelection_ = value;
                        updated();
                }
        }

        const PlotMSAveraging & averaging() const {
                return itsAveraging_;
        }
        void setAveraging (const PlotMSAveraging & value) {
                if (itsAveraging_ != value) {
                        itsAveraging_ = value;
                        updated();
                }
        }

        const PlotMSTransformations & transformations() const {
                return itsTransformations_;
        }
        void setTransformations (const PlotMSTransformations & value) {
                if (itsTransformations_ != value) {
                        itsTransformations_ = value;
                        updated();
                }
        }

        const PlotMSCalibration & calibration() const {
                return itsCalibration_;
        }
        void setCalibration (const PlotMSCalibration & value) {
                if (itsCalibration_ != value) {
                        itsCalibration_ = value;
                        updated();
                }
        }


private:
        //Does the work of the operator=()s.
        PMS_PP_MSData& assign(const PMS_PP_MSData* other);

        /* Parameters' values */
        casacore::String itsFilename_;
        casacore::Int itsCacheType_;
        casacore::String itsCalType_;
        PlotMSSelection itsSelection_;
        PlotMSAveraging itsAveraging_;
        PlotMSTransformations itsTransformations_;
        PlotMSCalibration itsCalibration_;

        /* Key strings for casacore::Record */
        static const casacore::String REC_FILENAME;
        static const casacore::String REC_CACHETYPE;
        static const casacore::String REC_CALTYPE;
        static const casacore::String REC_SELECTION;
        static const casacore::String REC_AVERAGING;
        static const casacore::String REC_TRANSFORMATIONS;
        static const casacore::String REC_CALIBRATION;

        void setDefaults();
};






// Subclass of PlotMSPlotParameters::Group to handle cache parameters.
// Currently includes:
// * x and y axes
// * x and y data columns
// Parameters are vector-based, on a per-plot basis.
//
class PMS_PP_Cache : public PlotMSPlotParameters::Group {

public:
        /* Constructor which takes a factory */
        PMS_PP_Cache (PlotFactoryPtr factory);

        /* Copy constructor.  See operator=(). */
        PMS_PP_Cache (const PMS_PP_Cache & copy);

        ~PMS_PP_Cache();

        /* Implements PlotMSPlotParameters::Group::clone(). */
        Group *clone() const {
                return new PMS_PP_Cache (*this);
        }

        /* Implements PlotMSPlotParameters::Group::name(). */
        const casacore::String & name() const {
                static casacore::String groupName = PMS_PP::UPDATE_CACHE_NAME;
                return groupName;
        }

        /* Implements PlotMSPlotParameters::Group::toRecord(). */
        casacore::Record toRecord() const;

        /* Implements PlotMSPlotParameters::Group::fromRecord(). */
        void fromRecord (const casacore::Record & record);

        /* Implements PlotMSPlotParameters::Group::requiresRedrawOnChanged(). */
        bool requiresRedrawOnChange() const {
                return true;
        }

        /* Overrides the real assignment operator=().*/
        PMS_PP_Cache& operator=(const PMS_PP_Cache& other);

        /* Overrides PlotMSPlotParameters::Group::operator=(). */
        PMS_PP_Cache & operator= (const Group & other);

        /* Overrides PlotMSPlotParameters::Group::operator==(). */
        bool operator== (const Group & other) const;

        // Gets how many axes and data columns there are.
        // <group>
        unsigned int numXAxes() const;
        unsigned int numYAxes() const;
        // </group>


        // Setting the data and data columns for the x- and y-axes
        // <group>
        void setXAxis (const PMS::Axis & axis, const PMS::DataColumn & data,
                        unsigned int index = 0);
        void setYAxis (const PMS::Axis & axis, const PMS::DataColumn & data,
                        unsigned int index = 0);
        void setAxes (const PMS::Axis & xAxis, const PMS::Axis & yAxis,
                        const PMS::DataColumn & xData,
                        const PMS::DataColumn & yData, unsigned int index = 0);
        //<group>

        const std::vector<PMS::Axis> &xAxes() const {
                return itsXAxes_;
        }
        void setXAxes (const std::vector<PMS::Axis> &value) {
                if (itsXAxes_ != value) {
                        itsXAxes_ = value;
                        updated();
                }
        }
        PMS::Axis xAxis (unsigned int index = 0) const {
                if (index >= itsXAxes_.size())
                        const_cast< std::vector<PMS::Axis>& >(itsXAxes_).resize (index + 1);
                return itsXAxes_[index];
        }
        void setXAxis (const PMS::Axis & value, unsigned int index = 0) {
                if (index >= itsXAxes_.size())
                        itsXAxes_.resize (index + 1);
                if (itsXAxes_[index] != value) {
                        itsXAxes_[index] = value;
                        updated();
                }
        }


        const std::vector<PMS::Axis>&yAxes() const {
                return itsYAxes_;
        }
        void setYAxes (const std::vector<PMS::Axis> &value) {
                if (itsYAxes_ != value) {
                        itsYAxes_ = value;
                        updated();
                }
        }
        PMS::Axis yAxis (unsigned int index = 0) const {
                if (index >= itsYAxes_.size())
                        const_cast< std::vector<PMS::Axis> &>(itsYAxes_).resize (index + 1);
                return itsYAxes_[index];
        }
        void setYAxis (const PMS::Axis & value, unsigned int index = 0) {
                if (index >= itsYAxes_.size())
                        itsYAxes_.resize (index + 1);
                if (itsYAxes_[index] != value)   {
                        itsYAxes_[index] = value;
                        updated();
                }
        }



        const std::vector<PMS::DataColumn> &xDataColumns() const {
                return itsXData_;
        }
        void setXDataColumns (const vector < PMS::DataColumn > &value) {
                if (itsXData_ != value)   {
                        itsXData_ = value;
                        updated();
                }
        }
        PMS::DataColumn xDataColumn (unsigned int index = 0) const {
                if (index >= itsXData_.size())
                        const_cast < vector < PMS::DataColumn >
                &>(itsXData_).resize (index + 1);
                return itsXData_[index];
        }
        void setXDataColumn (const PMS::DataColumn & value, unsigned int index =
                        0) {
                if (index >= itsXData_.size())
                        itsXData_.resize (index + 1);
                if (itsXData_[index] != value)   {
                        itsXData_[index] = value;
                        updated();
                }
        }


        const vector < PMS::DataColumn > &yDataColumns() const {
                return itsYData_;
        }
        void setYDataColumns (const vector < PMS::DataColumn > &value) {
                if (itsYData_ != value) {
                        itsYData_ = value;
                        updated();
                }
        }
        PMS::DataColumn yDataColumn (unsigned int index = 0) const {
                if (index >= itsYData_.size())
                        const_cast < vector < PMS::DataColumn >
                &>(itsYData_).resize (index + 1);
                return itsYData_[index];
        }
        void setYDataColumn (const PMS::DataColumn & value, unsigned int index =
                        0) {
                if (index >= itsYData_.size())
                        itsYData_.resize (index + 1);
                if (itsYData_[index] != value)   {
                        itsYData_[index] = value;
                        updated();
                }
        }


        const vector < PMS::CoordSystem > &xFrames() const {
                return itsXFrame_;
        }
        void setXFrames (const vector < PMS::CoordSystem > &value) {
                if (itsXFrame_ != value) {
                        itsXFrame_ = value;
                        updated();
                }
        }
        PMS::CoordSystem xFrame (unsigned int index = 0) const {
                if (index >= itsXFrame_.size())
                        const_cast < vector < PMS::CoordSystem >
                &>(itsXFrame_).resize (index + 1);
                return itsXFrame_[index];
        }
        void setXFrame (const PMS::CoordSystem & value, unsigned int index =
                        0) {
                if (index >= itsXFrame_.size())
                        itsXFrame_.resize (index + 1);
                if (itsXFrame_[index] != value)   {
                        itsXFrame_[index] = value;
                        updated();
                }
        }


        const vector < PMS::CoordSystem > &yFrames() const {
                return itsYFrame_;
        }
        void setYFrames (const vector < PMS::CoordSystem > &value) {
                if (itsYFrame_ != value) {
                        itsYFrame_ = value;
                        updated();
                }
        }
        PMS::CoordSystem yFrame (unsigned int index = 0) const {
                if (index >= itsYFrame_.size())
                        const_cast < vector < PMS::CoordSystem >
                &>(itsYFrame_).resize (index + 1);
                return itsYFrame_[index];
        }

        void setYFrame (const PMS::CoordSystem & value, unsigned int index =
                        0) {
                if (index >= itsYFrame_.size())
                        itsYFrame_.resize (index + 1);
                if (itsYFrame_[index] != value)   {
                        itsYFrame_[index] = value;
                        updated();
                }
        }


        const vector < PMS::InterpMethod > &xInterps() const {
                return itsXInterp_;
        }
        void setXInterps (const vector < PMS::InterpMethod > &value) {
                if (itsXInterp_ != value) {
                        itsXInterp_ = value;
                        updated();
                }
        }
        PMS::InterpMethod xInterp (unsigned int index = 0) const {
                if (index >= itsXInterp_.size())
                        const_cast < vector < PMS::InterpMethod >
                &>(itsXInterp_).resize (index + 1);
                return itsXInterp_[index];
        }
        void setXInterp (const PMS::InterpMethod & value, unsigned int index =
                        0) {
                if (index >= itsXInterp_.size())
                        itsXInterp_.resize (index + 1);
                if (itsXInterp_[index] != value)   {
                        itsXInterp_[index] = value;
                        updated();
                }
        }


        const vector < PMS::InterpMethod > &yInterps() const {
                return itsYInterp_;
        }
        void setYInterps (const vector < PMS::InterpMethod > &value) {
                if (itsYInterp_ != value) {
                        itsYInterp_ = value;
                        updated();
                }
        }
        PMS::InterpMethod yInterp (unsigned int index = 0) const {
                if (index >= itsYInterp_.size())
                        const_cast < vector < PMS::InterpMethod >
                &>(itsYInterp_).resize (index + 1);
                return itsYInterp_[index];
        }
        void setYInterp (const PMS::InterpMethod & value, unsigned int index =
                        0) {
                if (index >= itsYInterp_.size())
                        itsYInterp_.resize (index + 1);
                if (itsYInterp_[index] != value)   {
                        itsYInterp_[index] = value;
                        updated();
                }
        }

        DirectionAxisParams xDirectionParams (unsigned int index = 0) const {
                return DirectionAxisParams(xFrame(index),xInterp(index));
        }
        DirectionAxisParams yDirectionParams (unsigned int index = 0) const {
                return DirectionAxisParams(yFrame(index),yInterp(index));
        }


        bool showAtm() const {
                return itsShowAtm_;
        }
        void setShowAtm (const bool & value) {
            if (itsShowAtm_ != value) {
                    itsShowAtm_ = value;
                    updated();
            }
    }

    bool showTsky() const {
                return itsShowTsky_;
        }
        void setShowTsky (const bool & value) {
            if (itsShowTsky_ != value) {
                    itsShowTsky_ = value;
                    updated();
            }
    }

    bool showImage() const {
                return itsShowImage_;
        }
        void setShowImage (const bool & value) {
            if (itsShowImage_ != value) {
                    itsShowImage_ = value;
                    updated();
            }
    }
        void resize( int count );

private:
        //Does the work for the operator=()s.
        PMS_PP_Cache& assign(const PMS_PP_Cache* o);

        /* Parameters' values */
        std::vector<PMS::Axis> itsXAxes_;
        std::vector<PMS::Axis> itsYAxes_;
        std::vector<PMS::DataColumn> itsXData_;
        std::vector<PMS::DataColumn> itsYData_;
        std::vector<PMS::CoordSystem> itsXFrame_;
        std::vector<PMS::InterpMethod> itsXInterp_;
        std::vector<PMS::CoordSystem> itsYFrame_;
        std::vector<PMS::InterpMethod> itsYInterp_;
        
        bool itsShowAtm_;
        bool itsShowTsky_;
        bool itsShowImage_;


        /* Key strings for casacore::Record */
        static const casacore::String REC_XAXES;
        static const casacore::String REC_YAXES;
        static const casacore::String REC_XDATACOLS;
        static const casacore::String REC_YDATACOLS;
        static const casacore::String REC_XFRAMES;
        static const casacore::String REC_YFRAMES;
        static const casacore::String REC_XINTERPS;
        static const casacore::String REC_YINTERPS;
        static const casacore::String REC_SHOWATM;
        static const casacore::String REC_SHOWTSKY;
        static const casacore::String REC_SHOWIMAGE;

        void setDefaults();
};


// Subclass of PlotMSPlotParameters::Group to handle axes parameters.
// Currently includes:
// * canvas attach axes
// * axes ranges, if any
// Parameters are vector-based, on a per-plot basis.
//
class PMS_PP_Axes : public PlotMSPlotParameters::Group {

public:
        /* Constructor which takes a factory */
        PMS_PP_Axes (PlotFactoryPtr factory);

        /* Copy constructor.  See operator=(). */
        PMS_PP_Axes (const PMS_PP_Axes & copy);

        ~PMS_PP_Axes();


        /* Implements PlotMSPlotParameters::Group::clone(). */
        Group *clone() const {
                return new PMS_PP_Axes (*this);
        }

        /* Implements PlotMSPlotParameters::Group::name(). */
        const casacore::String & name() const {
                static casacore::String groupName = PMS_PP::UPDATE_AXES_NAME;
                return groupName;
        }

        /* Implements PlotMSPlotParameters::Group::toRecord(). */
        casacore::Record toRecord() const;

        /* Implements PlotMSPlotParameters::Group::fromRecord(). */
        void fromRecord (const casacore::Record & record);

        /* Implements PlotMSPlotParameters::Group::requiresRedrawOnChanged(). */
        bool requiresRedrawOnChange() const {
                return true;
        }

        /* Overrides the real assignment operator, operator= */
        PMS_PP_Axes& operator=(const PMS_PP_Axes& other);

        /* Overrides PlotMSPlotParameters::Group::operator=(). */
        PMS_PP_Axes & operator= (const Group & other);

        /* Overrides PlotMSPlotParameters::Group::operator==(). */
        bool operator== (const Group & other) const;


        // Gets how many axes there are.
        // <group>
        unsigned int numXAxes() const;
        unsigned int numYAxes() const;
        // </group>


        // Sets single versions of the parameters for the given index.
        // <group>
        void setAxes (const PlotAxis & xAxis, const PlotAxis & yAxis,
                        unsigned int index = 0);
        void setXRange (const bool & set, const prange_t & range,
                        unsigned int index = 0) {
                setRanges (set, yRangeSet (index), range, yRange (index), index);
        }
        void setYRange (const bool & set, const prange_t & range,
                        unsigned int index = 0) {
                setRanges (xRangeSet (index), set, xRange (index), range, index);
        }
        void setRanges (const bool & xSet, const bool & ySet,
                        const prange_t & xRange, const prange_t & yRange,
                        unsigned int index = 0);
        // </group>


        const vector < PlotAxis > &xAxes() const {
                return itsXAxes_;
        }
        void setXAxes (const vector < PlotAxis > &value) {
                if (itsXAxes_ != value) {
                        itsXAxes_ = value;
                        updated();
                }
        }


        PlotAxis xAxis (unsigned int index = 0) const {
                if (index >= itsXAxes_.size())
                        const_cast < vector < PlotAxis > &>(itsXAxes_).resize (index + 1);
                return itsXAxes_[index];
        }
        void setXAxis(const PlotAxis & value, unsigned int index = 0) {
                if (index >= itsXAxes_.size()){
                        itsXAxes_.resize (index + 1);

                }
                if (itsXAxes_[index] != value) {

                        itsXAxes_[index] = value;
                        updated();
                }
        }


        const std::vector<PlotAxis> &yAxes() const {
                return itsYAxes_;
        }
        void setYAxes (const vector < PlotAxis > &value) {
                if (itsYAxes_ != value) {
                        itsYAxes_ = value;
                        updated();
                }
        }


        PlotAxis yAxis (unsigned int index = 0) const {
                if (index >= itsYAxes_.size())
                        const_cast < vector < PlotAxis > &>(itsYAxes_).resize (index + 1);
                return itsYAxes_[index];
        }
        void setYAxis (const PlotAxis & value, unsigned int index = 0) {
                if (index >= itsYAxes_.size())
                        itsYAxes_.resize (index + 1);
                if (itsYAxes_[index] != value) {
                        itsYAxes_[index] = value;
                        updated();
                }
        }

        void setYAxis( casacore::String& value, unsigned int index = 0 ){
                PlotAxis axisLocation = Y_LEFT;
                if ( value == "right"){
                        axisLocation = Y_RIGHT;
                }
                setYAxis( axisLocation, index );
        }



        const std::vector<bool> &xRangesSet() const {
                return itsXRangesSet_;
        }
        void setXRanges (const vector < bool > &value) {
                if (itsXRangesSet_ != value) {
                        itsXRangesSet_ = value;
                        updated();
                }
        }


        bool xRangeSet (unsigned int index = 0) const {
                if (index >= itsXRangesSet_.size())
                        const_cast < vector < bool > &>(itsXRangesSet_).resize (index + 1);
                return itsXRangesSet_[index];
        }
        void setXRange (const bool & value, unsigned int index = 0) {
                if (index >= itsXRangesSet_.size())
                        itsXRangesSet_.resize (index + 1);
                if (itsXRangesSet_[index] != value) {
                        itsXRangesSet_[index] = value;
                        updated();
                }
        }


        const vector < bool > &yRangesSet() const {
                return itsYRangesSet_;
        }
        void setYRanges (const vector < bool > &value) {
                if (itsYRangesSet_ != value) {
                        itsYRangesSet_ = value;
                        updated();
                }
        }


        bool yRangeSet (unsigned int index = 0) const {
                if (index >= itsYRangesSet_.size())
                        const_cast < vector < bool > &>(itsYRangesSet_).resize (index + 1);
                return itsYRangesSet_[index];
        }
        void setYRange (const bool & value, unsigned int index = 0) {
                if (index >= itsYRangesSet_.size())
                        itsYRangesSet_.resize (index + 1);
                if (itsYRangesSet_[index] != value) {
                        itsYRangesSet_[index] = value;
                        updated();
                }
        }



        const vector < prange_t > &xRanges() const {
                return itsXRanges_;
        }
        void setXRanges (const vector < prange_t > &value) {
                if (itsXRanges_ != value) {
                        itsXRanges_ = value;
                        updated();
                }
        }


        const prange_t & xRange (unsigned int index = 0) const {
                return itsXRanges_[index];
        }
        void setXRange (const prange_t & value, unsigned int index = 0) {
                if (itsXRanges_[index] != value) {
                        itsXRanges_[index] = value;
                        updated();
                }
        }


        const vector < prange_t > &yRanges() const {
                return itsYRanges_;
        }
        void setYRanges (const vector < prange_t > &value) {
                if (itsYRanges_ != value) {
                        itsYRanges_ = value;
                        updated();
                }
        }


        const prange_t & yRange (unsigned int index = 0) const {
                return itsYRanges_[index];
        }
        void setYRange (const prange_t & value, unsigned int index = 0) {
                if (itsYRanges_[index] != value) {
                        itsYRanges_[index] = value;
                        updated();
                }
        }

        //Change the size of the vectors.
        void resize( int count, bool copyValues=False );

private:

        //Does the work for operator=()s.
        PMS_PP_Axes& assign(const PMS_PP_Axes* o);

        /* Parameters' values */
        std::vector<PlotAxis> itsXAxes_;
        std::vector<PlotAxis> itsYAxes_;
        std::vector<bool> itsXRangesSet_;
        std::vector<bool> itsYRangesSet_;
        std::vector<prange_t> itsXRanges_;
        std::vector<prange_t> itsYRanges_;

        /* Key strings for casacore::Record */
        static const casacore::String REC_XAXES;
        static const casacore::String REC_YAXES;
        static const casacore::String REC_XRANGESSET;
        static const casacore::String REC_YRANGESSET;
        static const casacore::String REC_XRANGES;
        static const casacore::String REC_YRANGES;

        void setDefaults();
};



// Subclass of PlotMSPlotParameters::Group to handle canvas parameters.
// Currently includes:
// * axes label formats
// * whether to show the canvas axes or not
// * whether to show the legend or not, and its position
// * canvas title label format
// * whether to show grid lines, and their properties
// Parameters are vector-based, on a per-canvas basis.
//
class PMS_PP_Canvas : public PlotMSPlotParameters::Group {

public:
        /* Constructor which takes a factory */
        PMS_PP_Canvas (PlotFactoryPtr factory);

        /* Copy constructor.  See operator=(). */
        PMS_PP_Canvas (const PMS_PP_Canvas & copy);

        ~PMS_PP_Canvas();

        /* Implements PlotMSPlotParameters::Group::clone(). */
        Group *clone() const {
                return new PMS_PP_Canvas (*this);
        }

        /* Implements PlotMSPlotParameters::Group::name(). */
        const casacore::String & name() const {
                static casacore::String groupName = PMS_PP::UPDATE_CANVAS_NAME;
                return groupName;
        }

        /* Implements PlotMSPlotParameters::Group::toRecord(). */
        casacore::Record toRecord() const;

        /* Implements PlotMSPlotParameters::Group::fromRecord(). */
        void fromRecord (const casacore::Record & record);

        /* Implements PlotMSPlotParameters::Group::requiresRedrawOnChanged(). */
        bool requiresRedrawOnChange() const {
                return true;
        }

        /* Overrides PlotMSPlotParameters::Group::operator=(). */
        PMS_PP_Canvas& operator= (const Group & other);

        /* Overrides the actual operator=(). */
        PMS_PP_Canvas& operator=(const PMS_PP_Canvas& other );

        /* Overrides PlotMSPlotParameters::Group::operator==(). */
        bool operator== (const Group & other) const;


        // Gets how many canvases there are.
        unsigned int numCanvases() const;

        // Sets single versions of the parameters for the given index.
        // <group>
        void setLabelFormats (const PlotMSLabelFormat & xFormat,
                        const PlotMSLabelFormat & yFormat,
                        unsigned int index = 0);
        void showAxesLabels (const bool & xLabelShow, const bool & yLabelShow,
                        unsigned int index = 0);
        void showLegend (const bool & show,
                        const PlotCanvas::LegendPosition & pos,
                        unsigned int index = 0);

        void showLegend( const bool& show, const casacore::String& pos, unsigned int index=0);

        void showGridMajor (const bool & show, const PlotLinePtr & line,
                        unsigned int index = 0) {
                showGrid (show, gridMinorShown (index), line, gridMinorLine (index),
                                index);
        }
        void showGridMinor (const bool & show, const PlotLinePtr & line,
                        unsigned int index = 0) {
                showGrid (gridMajorShown (index), show, gridMajorLine (index), line,
                                index);
        }
        void showGrid (const bool & showMajor, const bool & showMinor,
                        const PlotLinePtr & majorLine,
                        const PlotLinePtr & minorLine, unsigned int index = 0);
        // </group>



        const vector < PlotMSLabelFormat > &xLabelFormats() const {
                return itsXLabels_;
        }
        void setXLabelFormats (const vector < PlotMSLabelFormat > &value) {
                if (itsXLabels_ != value) {
                        itsXLabels_ = value;
                        updated();
                }
        }
        const PlotMSLabelFormat & xLabelFormat (unsigned int index = 0) const {
                return itsXLabels_[index];
        }
        void setXLabelFormat (const PlotMSLabelFormat & value,
                        unsigned int index = 0) {
                if (itsXLabels_[index] != value) {
                        itsXLabels_[index] = value;
                        updated();
                }
        }


        const vector < PlotMSLabelFormat > &yLabelFormats() const {
                return itsYLabels_;
        }
        void setYLabelFormats (const vector < PlotMSLabelFormat > &value) {
                if (itsYLabels_ != value) {
                        itsYLabels_ = value;
                        updated();
                }
        }
        const PlotMSLabelFormat & yLabelFormat (unsigned int index = 0) const {
                return itsYLabels_[index];
        }
        void setYLabelFormat (const PlotMSLabelFormat & value,
                        unsigned int index = 0) {
                if (itsYLabels_[index] != value) {
                        itsYLabels_[index] = value;
                        updated();
                }
        }

        const vector < bool > &xFontsSet() const {
                return itsXFontsSet_;
        }
        void setXFontsSet (const vector < bool > &value) {
                if (itsXFontsSet_ != value) {
                        itsXFontsSet_ = value;
                        updated();
                }
        }
        bool xFontSet (unsigned int index = 0) const {
                return itsXFontsSet_[index];
        }
        void setXFontSet (const bool & value, unsigned int index = 0) {
                if (itsXFontsSet_[index] != value) {
                        itsXFontsSet_[index] = value;
                        updated();
                }
        }
    const vector < bool > &yFontsSet() const {
                return itsYFontsSet_;
        }
        void setYFontsSet (const vector < bool > &value) {
                if (itsYFontsSet_ != value) {
                        itsYFontsSet_ = value;
                        updated();
                }
        }
        bool yFontSet (unsigned int index = 0) const {
                return itsYFontsSet_[index];
        }
        void setYFontSet (const bool & value, unsigned int index = 0) {
                if (itsYFontsSet_[index] != value) {
                        itsYFontsSet_[index] = value;
                        updated();
                }
        }

    const vector < casacore::Int > &xAxisFonts() const {
                return itsXAxisFonts_;
        }
        void setXAxisFonts (const vector < casacore::Int > &value) {
                if (itsXAxisFonts_ != value) {
                        itsXAxisFonts_ = value;
                        updated();
                }
        }
        const casacore::Int & xAxisFont (unsigned int index = 0) const {
                return itsXAxisFonts_[index];
        }
        void setXAxisFont (const casacore::Int value, unsigned int index = 0) {
                if (itsXAxisFonts_[index] != value) {
                        itsXAxisFonts_[index] = value;
                        updated();
                }
        }

    const vector < casacore::Int > &yAxisFonts() const {
                return itsYAxisFonts_;
        }
        void setYAxisFonts (const vector < casacore::Int > &value) {
                if (itsYAxisFonts_ != value) {
                        itsYAxisFonts_ = value;
                        updated();
                }
        }
        const casacore::Int & yAxisFont (unsigned int index = 0) const {
                return itsYAxisFonts_[index];
        }
        void setYAxisFont (const casacore::Int value, unsigned int index = 0) {
                if (itsYAxisFonts_[index] != value) {
                        itsYAxisFonts_[index] = value;
                        updated();
                }
        }


        const vector < bool > &xLabelsShown() const {
                return itsXLabelsShown_;
        }
        void showXLabels (const vector < bool > &value) {
                if (itsXLabelsShown_ != value) {
                        itsXLabelsShown_ = value;
                        updated();
                }
        }
        bool xLabelShown (unsigned int index = 0) const {
                if (index >= itsXLabelsShown_.size())
                        const_cast < vector < bool > &>(itsXLabelsShown_).resize (index + 1);
                return itsXLabelsShown_[index];
        }
        void showXLabel (const bool & value, unsigned int index = 0) {
                if (index >= itsXLabelsShown_.size())
                        itsXLabelsShown_.resize (index + 1);
                if (itsXLabelsShown_[index] != value) {
                        itsXLabelsShown_[index] = value;
                        updated();
                }
        }


        const vector < bool > &yLabelsShown() const {
                return itsYLabelsShown_;
        }
        void showYLabels (const vector < bool > &value) {
                if (itsYLabelsShown_ != value) {
                        itsYLabelsShown_ = value;
                        updated();
                }
        }
        bool yLabelShown (unsigned int index = 0) const {
                if (index >= itsYLabelsShown_.size())
                        const_cast < vector < bool > &>(itsYLabelsShown_).resize (index + 1);
                return itsYLabelsShown_[index];
        }
        void showYLabel (const bool & value, unsigned int index = 0) {
                if (index >= itsYLabelsShown_.size())
                        itsYLabelsShown_.resize (index + 1);
                if (itsYLabelsShown_[index] != value) {
                        itsYLabelsShown_[index] = value;
                        updated();
                }
        }

        const vector < bool > &legendsShown() const {
                return itsLegendsShown_;
        }
        void showLegends (const vector < bool > &value) {
                if (itsLegendsShown_ != value) {
                        itsLegendsShown_ = value;
                        updated();
                }
        }
        bool legendShown (unsigned int index = 0) const {
                if (index >= itsLegendsShown_.size())
                        const_cast < vector < bool > &>(itsLegendsShown_).resize (index + 1);
                return itsLegendsShown_[index];
        }
        void showLegend (const bool & value, unsigned int index = 0) {
                if (index >= itsLegendsShown_.size())
                        itsLegendsShown_.resize (index + 1);
                if (itsLegendsShown_[index] != value) {
                        itsLegendsShown_[index] = value;
                        updated();
                }
        }


        const vector < PlotCanvas::LegendPosition > &legendPositions() const {
                return itsLegendsPos_;
        }
        void setLegendPositions (const vector < PlotCanvas::LegendPosition > &value) {
                if (itsLegendsPos_ != value) {
                        itsLegendsPos_ = value;
                        updated();
                }
        }
        PlotCanvas::LegendPosition legendPosition (unsigned int index = 0) const {
                if (index >= itsLegendsPos_.size())
                        const_cast < vector < PlotCanvas::LegendPosition >
                &>(itsLegendsPos_).resize (index + 1);
                return itsLegendsPos_[index];
        }
        void setLegendPosition (const PlotCanvas::LegendPosition & value,
                        unsigned int index = 0) {
                if (index >= itsLegendsPos_.size())
                        itsLegendsPos_.resize (index + 1);
                if (itsLegendsPos_[index] != value) {
                        itsLegendsPos_[index] = value;
                        updated();
                }
        }


        const vector < PlotMSLabelFormat > &titleFormats() const {
                return itsTitles_;
        }
        void setTitleFormats (const vector < PlotMSLabelFormat > &value) {
                if (itsTitles_ != value) {
                        itsTitles_ = value;
                        updated();
                }
        }
        const PlotMSLabelFormat & titleFormat (unsigned int index = 0) const {
                return itsTitles_[index];
        }
        void setTitleFormat (const PlotMSLabelFormat & value, unsigned int index =
                        0) {
                if (itsTitles_[index] != value) {
                        itsTitles_[index] = value;
                        updated();
                }
        }
        const vector < bool > &titleFontsSet() const {
                return itsTitleFontsSet_;
        }
        void setTitleFontsSet (const vector < bool > &value) {
                if (itsTitleFontsSet_ != value) {
                        itsTitleFontsSet_ = value;
                        updated();
                }
        }
        bool titleFontSet (unsigned int index = 0) const {
                return itsTitleFontsSet_[index];
        }
        void setTitleFontSet (const bool & value, unsigned int index = 0) {
                if (itsTitleFontsSet_[index] != value) {
                        itsTitleFontsSet_[index] = value;
                        updated();
                }
        }
    const vector < casacore::Int > &titleFonts() const {
                return itsTitleFonts_;
        }
        void setTitleFonts (const vector < casacore::Int > &value) {
                if (itsTitleFonts_ != value) {
                        itsTitleFonts_ = value;
                        updated();
                }
        }
        const casacore::Int & titleFont (unsigned int index = 0) const {
                return itsTitleFonts_[index];
        }
        void setTitleFont (const casacore::Int value, unsigned int index =
                        0) {
                if (itsTitleFonts_[index] != value) {
                        itsTitleFonts_[index] = value;
                        updated();
                }
        }

        const vector < bool > &gridMajorsShown() const {
                return itsGridMajsShown_;
        }
        void showGridMajors (const vector < bool > &value) {
                if (itsGridMajsShown_ != value) {
                        itsGridMajsShown_ = value;
                        updated();
                }
        }
        bool gridMajorShown (unsigned int index = 0) const {
                if (index >= itsGridMajsShown_.size())
                        const_cast < vector < bool > &>(itsGridMajsShown_).resize (index + 1);
                return itsGridMajsShown_[index];
        }
        void showGridMajor (const bool & value, unsigned int index = 0) {
                if (index >= itsGridMajsShown_.size())
                        itsGridMajsShown_.resize (index + 1);
                if (itsGridMajsShown_[index] != value) {
                        itsGridMajsShown_[index] = value;
                        updated();
                }
        }


        const vector < bool > &gridMinorsShown() const {
                return itsGridMinsShown_;
        }
        void showGridMinors (const vector < bool > &value) {
                if (itsGridMinsShown_ != value) {
                        itsGridMinsShown_ = value;
                        updated();
                }
        }
        bool gridMinorShown (unsigned int index = 0) const {
                if (index >= itsGridMinsShown_.size())
                        const_cast < vector < bool > &>(itsGridMinsShown_).resize (index + 1);
                return itsGridMinsShown_[index];
        }
        void showGridMinor (const bool & value, unsigned int index = 0) {
                if (index >= itsGridMinsShown_.size())
                        itsGridMinsShown_.resize (index + 1);
                if (itsGridMinsShown_[index] != value) {
                        itsGridMinsShown_[index] = value;
                        updated();
                }
        }


        const vector < PlotLinePtr > &gridMajorLines() const {
                return itsGridMajLines_;
        }
        void setGridMajorLines (const vector < PlotLinePtr > &value) {
                if (itsGridMajLines_ != value) {
                        itsGridMajLines_ = value;
                        updated();
                }
        }
        PlotLinePtr gridMajorLine (unsigned int index = 0) const {
                if (index >= itsGridMajLines_.size())
                        const_cast < vector < PlotLinePtr >
                &>(itsGridMajLines_).resize (index + 1);
                return itsGridMajLines_[index];
        }
        void setGridMajorLine (const PlotLinePtr & value, unsigned int index = 0) {
                if (index >= itsGridMajLines_.size())
                        itsGridMajLines_.resize (index + 1);
                if (itsGridMajLines_[index] != value) {
                        itsGridMajLines_[index] = value;
                        updated();
                }
        }


        const vector < PlotLinePtr > &gridMinorLines() const {
                return itsGridMinLines_;
        }
        void setGridMinorLines (const vector < PlotLinePtr > &value) {
                if (itsGridMinLines_ != value) {
                        itsGridMinLines_ = value;
                        updated();
                }
        }
        PlotLinePtr gridMinorLine (unsigned int index = 0) const {
                if (index >= itsGridMinLines_.size())
                        const_cast < vector < PlotLinePtr >
                &>(itsGridMinLines_).resize (index + 1);
                return itsGridMinLines_[index];
        }
        void setGridMinorLine (const PlotLinePtr & value, unsigned int index = 0) {
                if (index >= itsGridMinLines_.size())
                        itsGridMinLines_.resize (index + 1);
                if (itsGridMinLines_[index] != value) {
                        itsGridMinLines_[index] = value;
                        updated();
                }
        }


private:

        //Does the work for the operator=()s.
        PMS_PP_Canvas& assign(const PMS_PP_Canvas* o );

        /* Parameters' values */
        std::vector<PlotMSLabelFormat> itsXLabels_;
        std::vector<bool> itsXFontsSet_;
        std::vector<casacore::Int> itsXAxisFonts_;
        std::vector<PlotMSLabelFormat> itsYLabels_;
        std::vector<bool> itsYFontsSet_;
        std::vector<casacore::Int> itsYAxisFonts_;
        std::vector<bool> itsXLabelsShown_;
        std::vector<bool> itsYLabelsShown_;
        std::vector<bool> itsLegendsShown_;
        std::vector<PlotCanvas::LegendPosition > itsLegendsPos_;
        std::vector<PlotMSLabelFormat> itsTitles_;
        std::vector<bool> itsTitleFontsSet_;
        std::vector<casacore::Int> itsTitleFonts_;
        std::vector<bool> itsGridMajsShown_;
        std::vector<bool> itsGridMinsShown_;
        std::vector<PlotLinePtr> itsGridMajLines_;
        std::vector<PlotLinePtr> itsGridMinLines_;

        /* Key strings for casacore::Record */
        static const casacore::String REC_XLABELS;
        static const casacore::String REC_XFONTSSET;
        static const casacore::String REC_XAXISFONTS;
        static const casacore::String REC_YLABELS;
        static const casacore::String REC_YFONTSSET;
        static const casacore::String REC_YAXISFONTS;
        static const casacore::String REC_SHOWXLABELS;
        static const casacore::String REC_SHOWYLABELS;
        static const casacore::String REC_SHOWLEGENDS;
        static const casacore::String REC_LEGENDSPOS;
        static const casacore::String REC_TITLES;
        static const casacore::String REC_TITLEFONTSSET;
        static const casacore::String REC_TITLEFONTS;
        static const casacore::String REC_SHOWGRIDMAJS;
        static const casacore::String REC_SHOWGRIDMINS;
        static const casacore::String REC_GRIDMAJLINES;
        static const casacore::String REC_GRIDMINLINES;


        void setDefaults();
};





// Subclass of PlotMSPlotParameters::Group to handle display parameters.
// Currently includes:
// * flagged and unflagged symbols
// * plot title format
// * colorize flag and axis
// * xconnect and timeconnect (connect points on plot along x- or time-axis)
// Parameters are vector-based, on a per-plot basis.
//
class PMS_PP_Display : public PlotMSPlotParameters::Group {

public:
        /* Constructor which takes a factory */
        PMS_PP_Display (PlotFactoryPtr factory);

        /* Copy constructor.  See operator=(). */
        PMS_PP_Display (const PMS_PP_Display & copy);

        ~PMS_PP_Display();


        /* Implements PlotMSPlotParameters::Group::clone(). */
        Group *clone() const {
                return new PMS_PP_Display (*this);
        }

        /* Implements PlotMSPlotParameters::Group::name(). */
        const casacore::String & name() const {
                static casacore::String groupName = PMS_PP::UPDATE_DISPLAY_NAME;
                return groupName;
        }

        /* Implements PlotMSPlotParameters::Group::toRecord(). */
        casacore::Record toRecord() const;

        /* Implements PlotMSPlotParameters::Group::fromRecord(). */
        void fromRecord (const casacore::Record & record);

        /* Implements PlotMSPlotParameters::Group::requiresRedrawOnChanged(). */
        bool requiresRedrawOnChange() const {
                return true;
        }

        /* Overrides PlotMSPlotParameters::Group::operator=(). */
        PMS_PP_Display & operator= (const Group & other);

        /*  Overrides the actual assignment operator=() */
        PMS_PP_Display& operator=(const PMS_PP_Display& other);

        /* Overrides PlotMSPlotParameters::Group::operator==(). */
        bool operator== (const Group & other) const;


        void setColorize (const bool & colorize, const PMS::Axis & axis,
                        unsigned int index = 0);


        void resizeVectors (unsigned int newSize);


        const vector < PlotSymbolPtr > &unflaggedSymbols() const {
                return itsUnflaggedSymbols_;
        }
        void setUnflaggedSymbols (const vector < PlotSymbolPtr > &value) {
                if (itsUnflaggedSymbols_ != value) {
                        itsUnflaggedSymbols_ = value;
                        updated();
                }
        }
        PlotSymbolPtr unflaggedSymbol (unsigned int index = 0) const {
                if (index >= itsUnflaggedSymbols_.size()){
                        int newSize = index+1;
                        std::vector<PlotSymbolPtr> & unflaggedSymbols = const_cast < vector <PlotSymbolPtr > &>(itsUnflaggedSymbols_);
                        unflaggedSymbols.resize ( newSize);
                        for ( int j = 0; j < newSize; j++ ){
                                if ( unflaggedSymbols[j].null() ){
                                        unflaggedSymbols[j]=PMS::DEFAULT_UNFLAGGED_SYMBOL(factory());
                                }
                        }
                }
                return itsUnflaggedSymbols_[index];
        }
        void setUnflaggedSymbol (const PlotSymbolPtr & value, unsigned int index =0);

        const vector < PlotSymbolPtr > &flaggedSymbols() const {
                return itsFlaggedSymbols_;
        }
        void setFlaggedSymbols (const vector < PlotSymbolPtr > &value) {
                if (itsFlaggedSymbols_ != value) {
                        itsFlaggedSymbols_ = value;
                        updated();
                }
        }
        PlotSymbolPtr flaggedSymbol (unsigned int index = 0) const {
                if (index >= itsFlaggedSymbols_.size()){
                        int newSize = index + 1;
                        std::vector<PlotSymbolPtr> & flaggedSymbols = const_cast < vector <PlotSymbolPtr > &>(itsFlaggedSymbols_);
                        flaggedSymbols.resize( newSize );
                        for ( int j = 0; j < newSize; j++ ){
                                if ( flaggedSymbols[j].null()){
                                        flaggedSymbols[j] = PMS::DEFAULT_FLAGGED_SYMBOL(factory());
                                }
                        }
                }
                return itsFlaggedSymbols_[index];
        }
        void setFlaggedSymbol (const PlotSymbolPtr & value, unsigned int index =0);

        const vector < PlotMSLabelFormat > &titleFormats() const {
                return itsTitleFormats_;
        }
        void setTitleFormats (const vector < PlotMSLabelFormat > &value) {
                if (itsTitleFormats_ != value) {
                        itsTitleFormats_ = value;
                        updated();
                }
        }
        const PlotMSLabelFormat & titleFormat (unsigned int index = 0) const {
                return itsTitleFormats_[index];
        }
        void setTitleFormat (const PlotMSLabelFormat & value, unsigned int index =
                        0) {
                if (itsTitleFormats_[index] != value) {
                        itsTitleFormats_[index] = value;
                        updated();
                }
        }


        const vector < bool > &colorizeFlags() const {
                return itsColorizeFlags_;
        }
        void setColorize (const vector < bool > &value) {
                if (itsColorizeFlags_ != value) {
                        itsColorizeFlags_ = value;
                        updated();
                }
        }
        bool colorizeFlag (unsigned int index = 0) const {
                if (index >= itsColorizeFlags_.size())
                        const_cast < vector < bool > &>(itsColorizeFlags_).resize (index + 1);
                return itsColorizeFlags_[index];
        }
        void setColorize (const bool & value, unsigned int index = 0);

        const vector < PMS::Axis > &colorizeAxes() const {
                return itsColorizeAxes_;
        }
        void setColorize (const vector < PMS::Axis > &value) {
                if (itsColorizeAxes_ != value) {
                        itsColorizeAxes_ = value;
                        updated();
                }
        }
        PMS::Axis colorizeAxis (unsigned int index = 0) const {
                if (index >= itsColorizeAxes_.size())
                        const_cast < vector < PMS::Axis >&>(itsColorizeAxes_).resize (index + 1);
                return itsColorizeAxes_[index];
        }
        void setColorize (const PMS::Axis & value, unsigned int index = 0) {
                if (index >= itsColorizeAxes_.size())
                        itsColorizeAxes_.resize (index + 1);
                if (itsColorizeAxes_[index] != value) {
                        itsColorizeAxes_[index] = value;
                        updated();
                }
        }


        void setConnect(const casacore::String& xconnect, const bool& timeconnect, unsigned int index = 0);

        const vector<casacore::String>& xConnects() const {
                return itsXConnects_;
        }
        void setXConnects(const vector<casacore::String>& value) {
                if (itsXConnects_ != value) {
                        itsXConnects_ = value;
                        updated();
                }
        }
        casacore::String xConnect(unsigned int index=0) const {
                if (index >= itsXConnects_.size())
                        const_cast < vector < casacore::String >&>(itsXConnects_).resize (index + 1);
                return itsXConnects_[index];
        }
        void setXConnect(const casacore::String& value, unsigned int index=0) {
                if (index >= itsXConnects_.size())
                        itsXConnects_.resize (index + 1);
                if (itsXConnects_[index] != value) {
                        itsXConnects_[index] = value;
                        updated();
                }
        }

        const vector<bool>& timeConnects() const {
                return itsTimeConnects_;
        }
        void setTimeConnects(const vector<bool>& value) {
                if (itsTimeConnects_ != value) {
                        itsTimeConnects_ = value;
                        updated();
                }
        }
        bool timeConnect(unsigned int index=0) const {
                if (index >= itsTimeConnects_.size())
                        const_cast < vector < bool >&>(itsTimeConnects_).resize (index + 1);
                return itsTimeConnects_[index];
        }
        void setTimeConnect(const bool& value, unsigned int index=0) {
                if (index >= itsTimeConnects_.size())
                        itsTimeConnects_.resize (index + 1);
                if (itsTimeConnects_[index] != value) {
                        itsTimeConnects_[index] = value;
                        updated();
                }
        }

private:

        /* Does the work for both versions of operator=() */
        PMS_PP_Display& assign( const PMS_PP_Display* o );


        /* Parameters' values */
        vector<PlotSymbolPtr> itsUnflaggedSymbols_;
        vector<PlotSymbolPtr> itsFlaggedSymbols_;
        vector<PlotMSLabelFormat> itsTitleFormats_;
        vector<bool> itsColorizeFlags_;
        vector<PMS::Axis> itsColorizeAxes_;
        vector<casacore::String> itsXConnects_;
        vector<bool> itsTimeConnects_;


        /* Key strings for casacore::Record */
        static const casacore::String REC_UNFLAGGEDS;
        static const casacore::String REC_FLAGGEDS;
        static const casacore::String REC_TITLES;
        static const casacore::String REC_COLFLAGS;
        static const casacore::String REC_COLAXES;
        static const casacore::String REC_XCONNECT;
        static const casacore::String REC_TIMECONNECT;

        void setDefaults();
};

// Subclass of PlotMSPlotParameters::Group to handle page header parameters.
// Currently includes:
// * page header items

// Parameters are vector-based, on a per-plot basis.
//
class PMS_PP_PageHeader : public PlotMSPlotParameters::Group {

public:
        /* Constructor which takes a factory */
        PMS_PP_PageHeader (PlotFactoryPtr factory);

        /* Copy constructor.  See operator=(). */
        PMS_PP_PageHeader (const PMS_PP_PageHeader & copy);

        ~PMS_PP_PageHeader();

        /* Implements PlotMSPlotParameters::Group::clone(). */
        Group *clone() const {
                return new PMS_PP_PageHeader (*this);
        }

        /* Implements PlotMSPlotParameters::Group::name(). */
        const casacore::String & name() const {
                static casacore::String groupName = PMS_PP::UPDATE_PAGEHEADER_NAME;
                return groupName;
        }

        /* Implements PlotMSPlotParameters::Group::toRecord(). */
        casacore::Record toRecord() const;

        /* Implements PlotMSPlotParameters::Group::fromRecord(). */
        void fromRecord (const casacore::Record & record);

        /* Overrides PlotMSPlotParameters::Group::operator=(). */
        PMS_PP_PageHeader & operator= (const Group & other);

        /*  Overrides the actual assignment operator=() */
        PMS_PP_PageHeader& operator=(const PMS_PP_PageHeader& other);

        /* Overrides PlotMSPlotParameters::Group::operator==(). */
        bool operator== (const Group & other) const;

        /* Implements PlotMSPlotParameters::Group::requiresRedrawOnChanged(). */
        bool requiresRedrawOnChange() const {
                return false;
        }

        void setPageHeaderItems (const PageHeaderItems & value) {
                if (itsPageHeaderItems_ != value) {
                        itsPageHeaderItems_ = value;
                        updated();
                }
        }

        const PageHeaderItems& pageHeaderItems() const { return itsPageHeaderItems_;  }

private:
        /* Parameters' values */
        PageHeaderItems itsPageHeaderItems_;

        /* Key strings for casacore::Record */
        static const casacore::String REC_ITEMS;

        //Does the work for the operator=()s.
        PMS_PP_PageHeader& assign( const PMS_PP_PageHeader* o );
        void setDefaults();

};


// Subclass of PlotMSPlotParameters::Group to handle iteration parameters.
// Currently includes:
// * which axis to use
// * rows, columns to fit onto each page
// Parameters apply to whole set of plots
//
class PMS_PP_Iteration : public PlotMSPlotParameters::Group {



public:

        /* Constructor which takes a factory */
        PMS_PP_Iteration (PlotFactoryPtr factory);

        /* Copy constructor.  See operator=(). */
        PMS_PP_Iteration (const PMS_PP_Iteration & copy);

        ~PMS_PP_Iteration();


        /* Implements PlotMSPlotParameters::Group::clone(). */
        Group *clone() const {
                return new PMS_PP_Iteration (*this);
        }

        /* Implements PlotMSPlotParameters::Group::name(). */
        const casacore::String & name() const {
                static casacore::String groupName = PMS_PP::UPDATE_ITERATION_NAME;
                return groupName;
        }

        /* Implements PlotMSPlotParameters::Group::toRecord(). */
        casacore::Record toRecord() const;

        /* Implements PlotMSPlotParameters::Group::fromRecord(). */
        void fromRecord (const casacore::Record & record);

        /* Implements PlotMSPlotParameters::Group::requiresRedrawOnChanged(). */
        bool requiresRedrawOnChange() const {
                return true;
        }

        /* Overrides the real operator=().  */
        PMS_PP_Iteration& operator=(const PMS_PP_Iteration& other);

        /* Overrides PlotMSPlotParameters::Group::operator=(). */
        PMS_PP_Iteration & operator= (const Group & other);

        /* Overrides PlotMSPlotParameters::Group::operator==(). */
        bool operator== (const Group & other) const;

        //Returns whether or not we are iterating on an axis.
        bool isIteration() const;

        const PlotMSIterParam& iterParam() const {
                return itsIterParam_;
        }
        void setIterParam(PlotMSIterParam iterparam) {
                if (itsIterParam_ != iterparam) {
                        itsIterParam_=iterparam;
                        updated();
                }
        }

        PMS::Axis  iterationAxis() const {
                return itsIterParam_.iterAxis();
        }

        void setIterationAxis (const PMS::Axis & value) {
                if (iterationAxis()!=value) {
                        itsIterParam_.setIterAxis(value);
                        updated();
                }
        }


        int getGridRow() const  {
                return itsIterParam_.getGridRow();
        }
        void setGridRow(const int &value)  {
                if (getGridRow() != value) {
                        itsIterParam_.setGridRow(value);
                        updated();
                }
        }

        int getGridCol() const  {
                return itsIterParam_.getGridCol();
        }
        void setGridCol(const int &value)  {
                if (getGridCol() != value) {
                        itsIterParam_.setGridCol(value);
                        updated();
                }
        }

        casacore::Bool isCommonAxisX() const {
                return itsIterParam_.isCommonAxisX();
        }
        void setCommonAxisX( bool commonAxis ){
                if ( isCommonAxisX() != commonAxis ){
                        bool validValue = false;
                        if ( isGlobalScaleX()){
                                validValue = true;
                        }
                        else if ( !commonAxis ){
                                validValue = true;
                        }

                        if ( validValue ){
                                itsIterParam_.setCommonAxisX( commonAxis );
                                updated();
                        }
                }
        }
        casacore::Bool isCommonAxisY() const {
                return itsIterParam_.isCommonAxisY();
        }
        void setCommonAxisY( bool commonAxis ){
                if ( isCommonAxisY() != commonAxis ){
                        bool validValue = false;
                        if ( isGlobalScaleY() ){
                                validValue = true;
                        }
                        else if ( !commonAxis ){
                                validValue = true;
                        }
                        if ( validValue ){
                                itsIterParam_.setCommonAxisY( commonAxis );
                                updated();
                        }
                }
        }
        casacore::Bool isGlobalScaleX() const {
                        return itsIterParam_.isGlobalAxisX();
                }
                void setGlobalScaleX( bool globalAxis ){
                        if ( isGlobalScaleX() != globalAxis ){
                                itsIterParam_.setGlobalScaleX( globalAxis );
                                updated();
                        }
                }
                casacore::Bool isGlobalScaleY() const {
                        return itsIterParam_.isGlobalAxisY();
                }
                void setGlobalScaleY( bool globalAxis ){
                        if ( isGlobalScaleY() != globalAxis ){
                                itsIterParam_.setGlobalScaleY( globalAxis );
                                updated();
                        }
                }
private:

        //Does the work for the operator=()s.
        PMS_PP_Iteration& assign(const PMS_PP_Iteration* o);

        /* Parameters' values */
        PlotMSIterParam itsIterParam_;
        void setDefaults();
};




}

#endif /* PLOTMSPLOTPARAMETERGROUPS_H_ */