1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 #ifndef RADIOSTATIONFILTERMODEL_H_

    19 #define RADIOSTATIONFILTERMODEL_H_

    20 

    21 // System includes

    22 #include <QSortFilterProxyModel>

    23 #include <QMap>

    24 

    25 // User includes

    26 #include "radiouiengineexport.h"

    27 #include "radiostation.h"

    28 

    29 // Forward declarations

    30 class RadioUiEngine;

    31 

    32 class UI_ENGINE_DLL_EXPORT RadioStationFilterModel : public QSortFilterProxyModel

    33 {

    34 public:

    35 

    36     RadioStationFilterModel( RadioUiEngine& uiEngine, QObject* parent = 0 );

    37 

    38     ~RadioStationFilterModel();

    39 

    40 // from QAbstractItemModel

    41 

    42     int rowCount( const QModelIndex& parent = QModelIndex() ) const;

    43     QModelIndex index( int row, int column,

    44                        const QModelIndex &parent = QModelIndex() ) const;

    45     QVariant data( const QModelIndex& index, int role = Qt::DisplayRole ) const;

    46 

    47 // New functions

    48 

    49     void setTypeFilter( RadioStation::Type filter );

    50 

    51     /*!

    52      * Returns the model index corresponding to the given frequency

    53      */

    54     QModelIndex modelIndexFromFrequency( uint frequency );

    55 

    56     void setCyclic( bool cyclic );

    57 

    58     bool hasLooped( const QModelIndex& index ) const;

    59 

    60     QModelIndex realIndex( const QModelIndex& shadowIndex ) const;

    61 

    62     bool isEqual( const QModelIndex& first, const QModelIndex& second ) const;

    63 

    64 private:

    65 

    66 // from base class QSortFilterProxyModel

    67 

    68     bool filterAcceptsRow( int sourceRow, const QModelIndex& sourceParent ) const;

    69 

    70 private: // data

    71 

    72     RadioUiEngine&      mUiEngine;

    73 

    74     RadioStation::Type  mFilter;

    75 

    76     bool                mIsCyclic;

    77 

    78     QMap<QModelIndex,QModelIndex>   mShadowIndexes;

    79 

    80 };

    81 

    82 #endif // RADIOSTATIONFILTERMODEL_H_