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:  Another view for test application.

    15 *

    16 */

    17 #include "hgcoverflowwidget.h"

    18 #include "trace.h"

    19 

    20 #include <qgraphicslinearlayout.h>

    21 #include <qgraphicssceneresizeevent>

    22 

    23 

    24 

    25 HgCoverflowWidget::HgCoverflowWidget(QGraphicsItem *parent) : HgMediawall(parent), 

    26 mTextPositionsDirty(false)

    27 {

    28     mTitleLabel = new HbLabel("Title", this);

    29     mTitleLabel->setAlignment(Qt::AlignCenter);

    30     mDescLabel = new HbLabel("Description", this);

    31     mDescLabel->setAlignment(Qt::AlignCenter);    

    32 }

    33 

    34 HgCoverflowWidget::~HgCoverflowWidget()

    35 {

    36     

    37 }

    38 

    39 void HgCoverflowWidget::frontItemChanged ( const QModelIndex & current, const QModelIndex & previous )

    40 {

    41     if (!this->model())

    42         return;

    43     

    44     QVariant variant = this->model()->data(current, Qt::DisplayRole);

    45     QStringList texts = variant.toStringList();

    46     HbLabel* labels[2];

    47     labels[0] = mTitleLabel;

    48     labels[1] = mDescLabel;

    49     int n = texts.size() > 2 ? 2 : texts.size();

    50     for (int i = 0; i < n; i++)

    51         labels[i]->setPlainText(texts[i]);

    52     

    53     mTextPositionsDirty = true;

    54 }

    55 

    56 void HgCoverflowWidget::resizeEvent(QGraphicsSceneResizeEvent *event)

    57 {

    58     HgMediawall::resizeEvent(event);

    59     

    60     mTextPositionsDirty = true;

    61     

    62     QObject::connect(selectionModel(), SIGNAL(currentChanged(const QModelIndex&, const QModelIndex&)), 

    63         this, SLOT(frontItemChanged(const QModelIndex&, const QModelIndex&)));

    64 }

    65 

    66 void HgCoverflowWidget::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)

    67 {

    68     HgMediawall::paint(painter, option, widget);

    69 

    70     if (mTextPositionsDirty)

    71     {

    72         QModelIndex index = this->currentIndex();

    73 

    74         if (index.isValid())

    75         {

    76             QRectF bounds;

    77 

    78             QPointF halfSize = QPointF(itemSize().width()/2, itemSize().height()/2);

    79             bounds.setTopLeft(rect().center() + frontItemPositionDelta() - halfSize);              

    80             bounds.setBottomRight(rect().center() + frontItemPositionDelta() + halfSize);

    81 

    82             mTitleLabel->resize(QSizeF(size().width(), mTitleLabel->minimumSize().height()));

    83             mTitleLabel->setPos(QPointF(bounds.center().x() - size().width()/2,

    84                 bounds.top() - 40));

    85             mDescLabel->resize(QSizeF(size().width(), mDescLabel->minimumSize().height()));

    86             mDescLabel->setPos(QPointF(bounds.center().x() - size().width()/2,

    87                     bounds.bottom() + 40 - mDescLabel->minimumSize().height()));

    88             

    89             frontItemChanged(index, index);

    90             

    91             mTextPositionsDirty = false;        

    92         }

    93         

    94     }

    95     

    96 }

    97 

    98 void HgCoverflowWidget::updateTextPositions()

    99 {

   100     mTextPositionsDirty = true;

   101 }

   102 

   103 

   104