File: CounterModel.cpp

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/******************************************************************************
*
* Copyright (C) 2002 Hugo PEREIRA <mailto: hugo.pereira@free.fr>
*
* This is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*
* This software 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 General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program.  If not, see <http://www.gnu.org/licenses/>.
*
*******************************************************************************/

#include "CounterModel.h"

//__________________________________________________________________
QVariant CounterModel::data( const QModelIndex& index, int role ) const
{

    // check index
    if( !contains( index ) ) return QVariant();

    // retrieve associated file info
    const CounterPair& counter( get(index) );

    // return text associated to file and column
    if( role == Qt::DisplayRole ) {

        switch( index.column() )
        {
            case Name: return counter.first;
            case Count: return counter.second;
            default: return QVariant();
        }
    }

    return QVariant();

}

//__________________________________________________________________
QVariant CounterModel::headerData(int section, Qt::Orientation orientation, int role) const
{

    if(
        orientation == Qt::Horizontal &&
        role == Qt::DisplayRole &&
        section >= 0 &&
        section < nColumns )
    { return columnTitles_[section]; }

    // return empty
    return QVariant();

}

//____________________________________________________________
void CounterModel::_sort( int column, Qt::SortOrder order )
{ std::sort( _get().begin(), _get().end(), SortFTor( (ColumnType) column, order ) ); }

//________________________________________________________
bool CounterModel::SortFTor::operator () ( CounterPair first, CounterPair second ) const
{

    if( order_ == Qt::DescendingOrder ) std::swap( first, second );

    switch( type_ )
    {

        case Name: return first.first < second.first;
        case Count: return first.second < second.second;
        default: return true;

    }

}