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 #include "usbmainview.h"

    18 #include <QModelIndex>

    19 #include <QtGui/QGraphicsLinearLayout>

    20 #include <hblistwidget.h>

    21 #include <hblistwidgetitem.h>

    22 #include <hbradiobuttonlist.h>

    23 #include <hbtextedit.h>

    24 

    25 #include "usbuisettingmodel.h"

    26 #include "mydebug.h"

    27 /*!

    28  * default constructor

    29  */

    30 UsbMainView::UsbMainView( QObject *parent )

    31 :   HbView(), mModel(NULL)

    32 {

    33     myDebug() << ">>> UsbMainView::UsbMainView";

    34     setParent( parent );    

    35     setTitle( qtTrId("USB") ); 

    36     mMainLayout = new QGraphicsLinearLayout( Qt::Vertical, this );

    37     mModel = new UsbUiSettingModel();

    38     createMainView();

    39     setLayout( mMainLayout );

    40     myDebug() << "<<< UsbMainView::UsbMainView";      

    41 }

    42 

    43 /*!

    44  * creates the main view

    45  */

    46 void UsbMainView::createMainView()

    47 {

    48     myDebug() << ">>> UsbMainView::createMainView";

    49     QGraphicsLinearLayout *mainViewLayout = new QGraphicsLinearLayout( Qt::Vertical, mMainLayout );

    50     mListItem = NULL;

    51     mlist = NULL;

    52     mlabel = NULL;

    53     mradio = NULL;

    54     mIcon = NULL;

    55     createIconNameRow( mainViewLayout );

    56     createDescriptionArea( mainViewLayout );

    57     createRadioButtonArea( mainViewLayout );

    58     mMainLayout->addItem( mainViewLayout );

    59     bool connected = connect( mModel, SIGNAL( dataChanged( QModelIndex, QModelIndex ) ), 

    60             this, SLOT( updateSettingItems( QModelIndex, QModelIndex ) ) );

    61     myDebug() << "<<< UsbMainView::createMainView model connected=" << connected;

    62     connected = connect(mradio, SIGNAL( itemSelected( int ) ), 

    63             this, SLOT( setPersonality( int ) ) );

    64     myDebug() << "<<< UsbMainView::createMainView mradio connected=" << connected;

    65     myDebug() << "<<< UsbMainView::createMainView";

    66 }  

    67 /*!

    68  * creating the creates the first row in the view containing an icon and a mode name 

    69  */

    70 void UsbMainView::createIconNameRow( QGraphicsLinearLayout *aLocalPropertiesGroup )

    71 {

    72     myDebug() << ">>> UsbMainView::createIconNameRow";

    73     QGraphicsLinearLayout *listLayout = new QGraphicsLinearLayout( Qt::Vertical, mMainLayout );

    74     mlist = new HbListWidget( this );

    75     mlist->setMaximumSize( 300, 50 ); //todo

    76     mListItem= new HbListWidgetItem();

    77     QModelIndex index = mModel->index( UsbUiSettingModel::DefaultMode, KDefaultColumn );

    78   //  QVariant iconName = mModel->data( index, Qt::DecorationRole );

    79     mIcon = new HbIcon( mModel->data( index, Qt::DecorationRole ).toString() );

    80     mListItem->setIcon( *mIcon );

    81     mListItem->setText( mModel->data( index,Qt::DisplayRole ).toString() );

    82     mListItem->setText( mModel->data( index,Qt::DisplayRole ).toString() );        

    83     mlist->insertItem( 1, mListItem ); 

    84     listLayout->addItem( mlist );

    85     aLocalPropertiesGroup->addItem( listLayout );

    86     myDebug() << "<<< UsbMainView::createIconNameRow";      

    87 }

    88 /*!

    89  * creates the second row from the view containing the description of the selected mode

    90  */

    91 void UsbMainView::createDescriptionArea( QGraphicsLinearLayout *aLocalPropertiesGroup )

    92 { 

    93     myDebug() << ">>> UsbMainView::createDescriptionArea";

    94     QGraphicsLinearLayout *desLayout = new QGraphicsLinearLayout( Qt::Vertical, mMainLayout ); 

    95     QModelIndex index = mModel->index( UsbUiSettingModel::Description, KDefaultColumn );

    96     mlabel = new HbTextEdit( mModel->data( index, Qt::DisplayRole ).toString() );

    97     mlabel->setReadOnly( true );

    98     mlabel->setCursorVisibility( Hb::TextCursorHidden );

    99     desLayout->addItem( mlabel );

   100     desLayout->setAlignment( mlabel, Qt::AlignTop );

   101     aLocalPropertiesGroup->addItem( desLayout );

   102     myDebug() << "<<< UsbMainView::createDescriptionArea";      

   103 }

   104 

   105 /*!

   106  * creates the third row from the view containing the radio button list of the existing usb modes

   107  */

   108 void UsbMainView::createRadioButtonArea(QGraphicsLinearLayout *aLocalPropertiesGroup)

   109 {

   110     myDebug() << ">>> UsbMainView::createRadioButtonArea";

   111     QGraphicsLinearLayout *radioLayout = new QGraphicsLinearLayout( Qt::Vertical, mMainLayout ); 

   112     QModelIndex index = mModel->index( UsbUiSettingModel::UsbModeList, KDefaultColumn );

   113     QStringList radioList = mModel->data( index, UsbUiSettingModel::SettingsModeNameList ).toStringList();

   114     int selectedIndex = mModel->data( index, Qt::EditRole ).toInt();

   115     mradio = new HbRadioButtonList( radioList, selectedIndex );

   116     radioLayout->addItem( mradio );

   117     radioLayout->setAlignment( mradio, Qt::AlignBottom );

   118     aLocalPropertiesGroup->addItem(radioLayout); 

   119     myDebug() << "<<< UsbMainView::createRadioButtonArea";      

   120 }

   121 

   122 /*!

   123     Slot for receiving notification of data changes from the model.

   124     Identify the setting changed and update the corresponding UI item.

   125  */

   126 void UsbMainView::updateSettingItems(const QModelIndex &topLeft, const QModelIndex &bottomRight)

   127 {   

   128     myDebug() << ">>> UsbMainView::updateSettingItems";

   129     // update only the part of the view specified by the model row(s)

   130     for ( int row = topLeft.row(); row <= bottomRight.row(); row++ ) {

   131         myDebug() << "    UsbMainView::updateSettingItems row=" << row;

   132         QModelIndex index = mModel->index( row, KDefaultColumn );

   133         // Distinguish which setting value is changed.

   134         switch ( row ) {

   135         case UsbUiSettingModel::DefaultMode :

   136             // set the selected personality icon and name

   137             mIcon->setIconName( mModel->data( index, Qt::DecorationRole ).toString() );

   138             mListItem->setIcon( *mIcon );

   139             mListItem->setText( mModel->data( index,Qt::DisplayRole ).toString() );            

   140             break;

   141         case UsbUiSettingModel::Description :

   142             // set the description of the selected personality.

   143             mlabel->setPlainText( mModel->data( index, Qt::DisplayRole ).toString() );

   144             mlabel->setReadOnly( true );

   145             mlabel->setCursorVisibility( Hb::TextCursorHidden );            

   146             break;

   147         case UsbUiSettingModel::UsbModeList :

   148             // only the selection can change, no changes in the list of personalities

   149             mradio->setSelected( mModel->data( index, Qt::EditRole ).toInt() );

   150             break;

   151         default :

   152             myDebug() << "    UsbMainView::updateSettingItems unknown row " << row;

   153             break;

   154         }

   155     }

   156     myDebug() << "<<< UsbMainView::updateSettingItems";

   157 }

   158 

   159 /*

   160  * Slot for receiving notification from the change in radio button list

   161  */

   162 void UsbMainView::setPersonality( int personalityIndex )

   163 {

   164     myDebug() << ">>> UsbMainView::setPersonality";

   165     QModelIndex index = mModel->index( UsbUiSettingModel::UsbModeList, KDefaultColumn );

   166     mModel->setData( index, personalityIndex, Qt::EditRole );

   167     myDebug() << "<<< UsbMainView::setPersonality";

   168 }

   169 

   170 /*!

   171  * Destructor

   172  * destructs the items which are not owned by this class

   173  */

   174 UsbMainView::~UsbMainView()

   175 { 

   176     myDebug() << ">>> UsbMainView::~UsbMainView";

   177     delete mModel;

   178     delete mIcon;

   179     myDebug() << "<<< UsbMainView::~UsbMainView";   

   180 }