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 "iconsview.h"

    19 

    20 #include <QGraphicsLinearLayout>

    21 #include <QGraphicsGridLayout>

    22 #include <QStandardItem>

    23 #include <QStandardItemModel>

    24 #include <QSignalMapper>

    25 

    26 #include <hblistwidget.h>

    27 #include <hblabel.h>

    28 #include <hbpushbutton.h>

    29 

    30 #include <QDebug>

    31 

    32 IconsView::IconsView(QGraphicsItem *parent) : HbView(parent)

    33 {

    34     setTitle("Icons");

    35 

    36     mModel = new QStandardItemModel(this);

    37     for (int i=1; i<=8; ++i) {

    38         addItemToModel(i);

    39     }

    40 

    41     mList = new HbListView(this);

    42     mList->setModel(mModel);

    43 

    44     QGraphicsGridLayout *buttonsLayout = new QGraphicsGridLayout();

    45     HbPushButton *addItemButton = new HbPushButton("Add item");

    46     connect(addItemButton, SIGNAL(clicked()), this, SLOT(addItem()));

    47     buttonsLayout->addItem(addItemButton, 0, 0);

    48 

    49     HbPushButton *removeItemButtom = new HbPushButton("Remove item");

    50     connect(removeItemButtom, SIGNAL(clicked()), this, SLOT(removeItem()));

    51     buttonsLayout->addItem(removeItemButtom, 0, 1);

    52 

    53     HbPushButton *saveActivityAButton = new HbPushButton("Save State A");

    54     buttonsLayout->addItem(saveActivityAButton, 1, 0);

    55     HbPushButton *saveActivityBButton = new HbPushButton("Save State B");

    56     buttonsLayout->addItem(saveActivityBButton, 1, 1);

    57 

    58     buttonsLayout->setRowFixedHeight(0, 50);

    59     buttonsLayout->setRowFixedHeight(1, 50);

    60 

    61     QSignalMapper *saveActivityMapper = new QSignalMapper(this);

    62     saveActivityMapper->setMapping(saveActivityAButton, "StateA");

    63     saveActivityMapper->setMapping(saveActivityBButton, "StateB");

    64     connect(saveActivityAButton, SIGNAL(clicked()), saveActivityMapper, SLOT(map()));

    65     connect(saveActivityBButton, SIGNAL(clicked()), saveActivityMapper, SLOT(map()));

    66     connect(saveActivityMapper, SIGNAL(mapped(QString)), this, SIGNAL(activitySaveRequested(QString)));

    67 

    68     mItemCountLabel = new HbLabel();

    69     mItemCountLabel->setAlignment(Qt::AlignCenter);

    70     mItemCountLabel->setMaximumHeight(30);

    71     updateCountLabel();

    72 

    73     QGraphicsLinearLayout *mainLayout = new QGraphicsLinearLayout(Qt::Vertical, this);

    74     mainLayout->addItem(mItemCountLabel);

    75     mainLayout->addItem(mList);

    76     mainLayout->addItem(buttonsLayout);

    77 

    78     setLayout(mainLayout);

    79 }

    80 

    81 IconsView::~IconsView()

    82 {

    83 }

    84 

    85 void IconsView::addItemToModel(int number)

    86 {

    87     QStandardItem *item = new QStandardItem(QIcon(QString(":data\\img%1").arg(number)), QString("Image %1").arg(number));

    88     mModel->appendRow(item);

    89 }

    90 

    91 void IconsView::addItem()

    92 {

    93     addItemToModel(qrand() % 8 + 1);

    94     updateCountLabel();

    95 }

    96 

    97 void IconsView::removeItem()

    98 {

    99     if (mModel->rowCount() > 0) {

   100         mModel->removeRow(mModel->rowCount() - 1, QModelIndex());

   101     }

   102     updateCountLabel();

   103 }

   104 

   105 void IconsView::updateCountLabel()

   106 {

   107     mItemCountLabel->setPlainText(QString("List contains %1 items").arg(mModel->rowCount()));

   108 }

   109 

   110 QVariant IconsView::generateActivityData()

   111 {

   112     QByteArray serializedModel;

   113     {

   114         QDataStream stream(&serializedModel, QIODevice::WriteOnly | QIODevice::Append);

   115         for (int row = 0; row < mModel->rowCount(); ++row) {

   116             stream << *mModel->item(row);

   117         }

   118     }

   119     return serializedModel;

   120 }

   121 

   122 void IconsView::loadActivity(const QVariant &data)

   123 {

   124     mModel->clear();

   125     QByteArray serializedModel = data.toByteArray();

   126     {

   127         QDataStream stream(&serializedModel, QIODevice::ReadOnly);

   128         while (!stream.atEnd()) {

   129             QStandardItem *item = new QStandardItem();

   130             stream >> *item;

   131             mModel->appendRow(item);

   132         }

   133     }

   134     updateCountLabel();

   135 }