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 #include <QGraphicsLinearLayout>

    19 

    20 #include "logspageindicator.h"

    21 #include "logspageindicatoritem.h"

    22 

    23 // -----------------------------------------------------------------------------

    24 //

    25 // -----------------------------------------------------------------------------

    26 //

    27 LogsPageIndicator::LogsPageIndicator(QGraphicsItem *parent)

    28   : HbWidget(parent),

    29     mActiveItemIndex(-1)

    30 {

    31 }

    32 

    33 // -----------------------------------------------------------------------------

    34 //

    35 // -----------------------------------------------------------------------------

    36 //

    37 LogsPageIndicator::~LogsPageIndicator()

    38 {

    39     qDeleteAll(mItems);

    40 }

    41 

    42 // -----------------------------------------------------------------------------

    43 //

    44 // -----------------------------------------------------------------------------

    45 //

    46 void LogsPageIndicator::initialize(int itemCount, int activeItemIndex)

    47 {

    48     qDeleteAll(mItems);

    49     mItems.clear();

    50     mActiveItemIndex = -1;

    51 

    52     if (itemCount < 1 || activeItemIndex < 0 || 

    53         itemCount <= activeItemIndex) {

    54         return;

    55     }

    56 

    57     for (int i = 0; i < itemCount; ++i) {

    58         mItems << new LogsPageIndicatorItem(i == activeItemIndex);

    59     }    

    60     mActiveItemIndex = activeItemIndex;

    61     layoutItems();

    62 }

    63  

    64 // -----------------------------------------------------------------------------

    65 //

    66 // -----------------------------------------------------------------------------

    67 //

    68 int LogsPageIndicator::itemCount() const

    69 {

    70     return mItems.count();

    71 }

    72 

    73 // -----------------------------------------------------------------------------

    74 //

    75 // -----------------------------------------------------------------------------

    76 //

    77 void LogsPageIndicator::setActiveItemIndex(int activeItemIndex)

    78 {

    79     if (activeItemIndex < 0 || itemCount() <= activeItemIndex) {

    80         return;

    81     }

    82 

    83     mActiveItemIndex = activeItemIndex;

    84     for (int i = 0; i < mItems.count(); ++i) {

    85         mItems[i]->setActive(i == activeItemIndex);

    86     }

    87 }

    88  

    89 // -----------------------------------------------------------------------------

    90 //

    91 // -----------------------------------------------------------------------------

    92 //

    93 int LogsPageIndicator::activeItemIndex() const

    94 {

    95     return mActiveItemIndex;

    96 }

    97 

    98 // -----------------------------------------------------------------------------

    99 //

   100 // -----------------------------------------------------------------------------

   101 //

   102 void LogsPageIndicator::layoutItems()

   103 {

   104     QGraphicsLinearLayout *layout = new QGraphicsLinearLayout;

   105     layout->setContentsMargins(0, 0, 0, 0);

   106     layout->addStretch();

   107     foreach (LogsPageIndicatorItem *item, mItems) {

   108         layout->addItem(item);

   109     }

   110     layout->addStretch();

   111     setLayout(layout);

   112 }