1 /*

     2 * Copyright (c) 2010 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 BTUIMODELSORTFILTER_H

    19 #define BTUIMODELSORTFILTER_H

    20 

    21 #include <QSortFilterProxyModel>

    22 #include <btuimodeltypes.h>

    23 

    24 /*!

    25     \class BtuiModelSortFilter

    26     \brief the class handling sorting and filtering Bluetooth devices.

    27 

    28     BtuiModelSortFilter handles filtering/sorting a list of Bluetooth devices.

    29 

    30     \\sa bluetoothuimodel

    31  */

    32 class BTUIMODEL_IMEXPORT BtuiModelSortFilter : public QSortFilterProxyModel 

    33 {

    34     Q_OBJECT

    35 

    36 public:

    37     

    38     // matching mechanism applied for filters defined in Btuim::DeviceListFilter

    39     enum FilterMode {

    40         ExactMatch, // The filter value of the device must equal to the specified filters

    41         AtLeastMatch, // The filter value of the device must contains 

    42                       // all the specified filters at least.

    43         RoughMatch, // match at least one of the specified filters

    44         Exclusive,  // not match any of the specified filters

    45     };

    46     

    47     explicit BtuiModelSortFilter( QObject *parent = 0 );

    48     virtual ~BtuiModelSortFilter();

    49     

    50     void setDeviceMajorFilter( int filter, FilterMode mode );

    51     void addDeviceMajorFilter( int filter, FilterMode mode );

    52     void clearDeviceMajorFilter( int filter, FilterMode mode );

    53     void clearDeviceMajorFilters();

    54     

    55     bool hasFilter( int filter, FilterMode mode );

    56     

    57 signals:

    58     void deviceAcceptedByFilter(int sourceRow);

    59     

    60 protected:

    61     

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

    63     bool lessThan(const QModelIndex &left, const QModelIndex &right) const;

    64 

    65 private:

    66     class FilterItem {

    67     public:

    68         int mFilter;

    69         FilterMode mMode;

    70         FilterItem(int filter, FilterMode mode ) {

    71             mFilter = filter; mMode = mode;

    72         }

    73         bool operator== ( const FilterItem & other ) const { 

    74             return mFilter == other.mFilter && mMode == other.mMode;

    75         }

    76     };

    77     

    78 private:

    79     QList<FilterItem> mFilters;

    80 };

    81 

    82 #endif // BTUIMODELSORTFILTER_H