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:   ?Description

    15  *

    16  */

    17 

    18 #ifndef GLXDETAILSVIEWMODELWRAPPER

    19 #define GLXDETAILSVIEWMODELWRAPPER

    20 

    21 //Includes

    22 #include <QAbstractItemModel>

    23 

    24 /**

    25  * Class Description

    26  * This is Wrapper class,which access the model [GlxMediaModel] for the widgets created in the details view

    27  * Here it specifies the no:of custom widgets to be created in the list view for the details view

    28  */

    29 

    30 class GlxDetailsViewModelWrapper : public QAbstractItemModel

    31     {

    32 Q_OBJECT

    33 public:

    34 

    35     /**

    36      * Constructor

    37      * @param - QAbstractItemModel object, this object is passed from the details view, while creating this

    38      *          class object 

    39      */

    40     GlxDetailsViewModelWrapper(QAbstractItemModel *model);

    41 

    42     /**

    43      * Destructor

    44      */

    45     ~GlxDetailsViewModelWrapper();

    46 

    47     /**

    48      * From QAbstractItemModel

    49      * This Function specifies the no:of custom widgets to be created as well

    50      * the no:of custom widgets present.

    51      */

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

    53 

    54     /**

    55      * From QAbstractItemModel

    56      */

    57     int columnCount(const QModelIndex &parent = QModelIndex()) const;

    58 

    59     /**

    60      * From QAbstractItemModel

    61      */

    62     QModelIndex parent(const QModelIndex &child) const;

    63 

    64     /**

    65      * From QAbstractItemModel

    66      * This Function returns the data fetched from the Model corresponding to the role passed

    67      */

    68     QVariant data(const QModelIndex &index, int role) const;

    69 

    70     /**

    71      * From QAbstractItemModel

    72      * This Function verifies if the index passed is valid or not.

    73      */

    74     QModelIndex index(int row, int column, const QModelIndex &parent =

    75             QModelIndex()) const;

    76 

    77     /**

    78      * This Function Emits the Signal for the Custom widgets to refresh  thier data shown

    79      */

    80     void refreshCustomWidget();

    81 

    82 private:

    83     

    84     /**

    85      * This Function returns the size in standard form like Bytes,KB,MB,GB

    86      * @param :size , specified in Bytes 

    87      */

    88     QString sizeinStrings(int size) const;

    89 

    90 signals:

    91     /*

    92      * This Signal Specifies Custom widgets to refresh  thier data shown as there is change in data in the model 

    93      */

    94     void updateCustomWidgets();

    95 private:

    96 

    97     //This variable is initialised with model passed by the view, while creating this class object

    98     QAbstractItemModel *mModel;

    99     };

   100 

   101 #endif //GLXDETAILSVIEWMODELWRAPPER_H