creator/plugins/kparts/codeeditorpart/Models/model_GraphDocument.cpp

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/* This file is part of Rocs,
   Copyright (C) 2008 by:
   Tomaz Canabrava <tomaz.canabrava@gmail.com>
   Ugo Sangiori <ugorox@gmail.com>

   Rocs 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.

   Rocs 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 Step; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/
#include "model_GraphDocument.h"
#include "graphDocument.h"
#include "graph.h"
#include <QString>
#include <KDebug>
#include <QModelIndex>

GraphDocumentModel::GraphDocumentModel( QList< GraphDocument*>* documents, QObject* parent )
    : QAbstractListModel( parent ), _documents(( *documents ) )
{

}

int GraphDocumentModel::rowCount( const QModelIndex& ) const
{
    return _documents.size();
}

QVariant GraphDocumentModel::data( const QModelIndex& index, int role ) const
{
    if(( !index.isValid() ) || ( index.row() > _documents.size() ) || ( role != Qt::DisplayRole ) )
    {
        return QVariant();
    }
    return _documents.at( index.row() )->name();
}

QVariant GraphDocumentModel::headerData( int section, Qt::Orientation orientation, int role ) const
{
    if( role != Qt::DisplayRole )
    {
        return QVariant();
    }
    if( orientation == Qt::Horizontal )
    {
        return QString( "Column %1" ).arg( section );
    }

    return QString( "Row %1" ).arg( section );

}

Qt::ItemFlags GraphDocumentModel::flags( const QModelIndex& index ) const
{
    if( !index.isValid() )
    {
        return Qt::ItemIsEnabled;
    }
    return QAbstractItemModel::flags( index ) | Qt::ItemIsEditable;
}

bool GraphDocumentModel::setData( const QModelIndex& index, const QVariant& value, int role )
{
    if( index.isValid() && ( role == Qt::ItemIsEditable ) )
    {
        _documents.at( index.row() )-> setName( value.toString() );
        emit dataChanged( index, index );
        return true;
    }
    return false;
}

bool GraphDocumentModel::insertRows( int position, int rows, const QModelIndex& )
{
    beginInsertRows( QModelIndex(), position, position + rows - 1 );

    GraphDocument* doc = new  GraphDocument( "untitled" );
    _documents.append( doc );
    endInsertRows();
    return true;
}

bool GraphDocumentModel::removeRows( int position, int rows, const QModelIndex& )
{
    beginRemoveRows( QModelIndex(), position, position + rows - 1 );
    _documents.removeAt( position );
    endRemoveRows();
    return true;
}

GraphDocument* GraphDocumentModel::at( const QModelIndex& index )
{
    return _documents.at( index.row() );
}

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