musicwebdjradiocategorywidget.cpp

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#include "musicwebdjradiocategorywidget.h"
#include "musicdjradiocategoryrequest.h"
#include "musicdownloadqueryfactory.h"
#include "musiccoverrequest.h"
#include "musicwidgetheaders.h"

static constexpr int WIDTH_LABEL_SIZE = 60;
static constexpr int HEIGHT_LABEL_SIZE = 105;
static constexpr int LINE_SPACING_SIZE = 105;

MusicWebDJRadioCategoryItemWidget::MusicWebDJRadioCategoryItemWidget(QWidget *parent)
    : TTKClickedLabel(parent)
{
    setFixedSize(WIDTH_LABEL_SIZE, HEIGHT_LABEL_SIZE);

    m_iconLabel = new QLabel(this);
    m_iconLabel->setGeometry(0, 0, WIDTH_LABEL_SIZE, WIDTH_LABEL_SIZE);

    m_nameLabel = new QLabel(this);
    m_nameLabel->setGeometry(0, 65, WIDTH_LABEL_SIZE, 25);
    m_nameLabel->setAlignment(Qt::AlignCenter);
    m_nameLabel->setText(TTK_DEFAULT_STR);

    connect(this, SIGNAL(clicked()), SLOT(currentItemClicked()));
}

MusicWebDJRadioCategoryItemWidget::~MusicWebDJRadioCategoryItemWidget()
{
    delete m_iconLabel;
    delete m_nameLabel;
}

void MusicWebDJRadioCategoryItemWidget::setResultDataItem(const MusicResultDataItem &item)
{
    m_itemData = item;
    m_nameLabel->setToolTip(item.m_name);
    m_nameLabel->setText(TTK::Widget::elidedText(m_nameLabel->font(), m_nameLabel->toolTip(), Qt::ElideRight, WIDTH_LABEL_SIZE));

    if(TTK::isCoverValid(item.m_coverUrl))
    {
        MusicCoverRequest *d = G_DOWNLOAD_QUERY_PTR->makeCoverRequest(this);
        connect(d, SIGNAL(downLoadRawDataChanged(QByteArray)), SLOT(downLoadFinished(QByteArray)));
        d->startToRequest(item.m_coverUrl);
    }
}

void MusicWebDJRadioCategoryItemWidget::downLoadFinished(const QByteArray &bytes)
{
    if(bytes.isEmpty())
    {
        TTK_ERROR_STREAM("Input byte data is empty");
        return;
    }

    QPixmap pix;
    pix.loadFromData(bytes);
    if(!pix.isNull())
    {
        m_iconLabel->setPixmap(pix.copy(0, 0, WIDTH_LABEL_SIZE, WIDTH_LABEL_SIZE));
    }
}

void MusicWebDJRadioCategoryItemWidget::currentItemClicked()
{
    Q_EMIT currentItemClicked(m_itemData);
}



MusicWebDJRadioCategoryWidget::MusicWebDJRadioCategoryWidget(QWidget *parent)
    : QWidget(parent)
{
    QHBoxLayout *layout = new QHBoxLayout(this);
    layout->setSpacing(0);
    layout->setContentsMargins(0, 0, 0, 0);
    setLayout(layout);

    QWidget *mainWindow = new QWidget(this);

    QScrollArea *scrollArea = new QScrollArea(this);
    TTK::Widget::generateVScrollAreaFormat(scrollArea, mainWindow);
    layout->addWidget(scrollArea);

    m_gridLayout = new QGridLayout(mainWindow);
    m_gridLayout->setVerticalSpacing(35);
    mainWindow->setLayout(m_gridLayout);

    m_networkRequest = new MusicDJRadioCategoryRequest(this);
    connect(m_networkRequest, SIGNAL(downLoadDataChanged(QString)), SLOT(createCategoryItems()));
}

MusicWebDJRadioCategoryWidget::~MusicWebDJRadioCategoryWidget()
{
    delete m_gridLayout;
    delete m_networkRequest;
}

void MusicWebDJRadioCategoryWidget::initialize()
{
    m_networkRequest->startToRequest();
}

void MusicWebDJRadioCategoryWidget::resizeWindow()
{
    if(!m_resizeWidgets.isEmpty())
    {
        for(QWidget *widget : qAsConst(m_resizeWidgets))
        {
            m_gridLayout->removeWidget(widget);
        }

        const int lineNumber = QUERY_WIDGET_WIDTH / LINE_SPACING_SIZE;
        for(int i = 0; i < m_resizeWidgets.count(); ++i)
        {
            m_gridLayout->addWidget(m_resizeWidgets[i], i / lineNumber, i % lineNumber, Qt::AlignCenter);
        }
    }
}

void MusicWebDJRadioCategoryWidget::createCategoryItems()
{
    for(const MusicResultDataItem &item : m_networkRequest->items())
    {
        MusicWebDJRadioCategoryItemWidget *label = new MusicWebDJRadioCategoryItemWidget(this);
        connect(label, SIGNAL(currentItemClicked(MusicResultDataItem)), SIGNAL(currentCategoryClicked(MusicResultDataItem)));
        label->setResultDataItem(item);

        const int lineNumber = QUERY_WIDGET_WIDTH / LINE_SPACING_SIZE;
        m_gridLayout->addWidget(label, m_resizeWidgets.count() / lineNumber, m_resizeWidgets.count() % lineNumber, Qt::AlignCenter);
        m_resizeWidgets << label;
    }
}