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model.cpp
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#include "model.h"
Song::Song(const QString &songId,
const QString &songName,
const QString &songer,
const QString &AlbumName,
const QString &Duration,
const QString &SongHash,
const QString &SongUrl)
{
m_songId = songId;
m_songName = songName;
m_songer = songer;
m_AlbumName = AlbumName;
m_Duration = Duration;
m_SongHash = SongHash;
m_songUrl = SongUrl;
}
QString Song::songId() const {
return m_songId;
}
QString Song::songName() const {
return m_songName;
}
QString Song::songer() const {
return m_songer;
}
QString Song::AlbumName() const {
return m_AlbumName;
}
QString Song::Duration() const {
return m_Duration;
}
QString Song::SongHash() const {
return m_SongHash;
}
QString Song::SongUrl() const {
return m_songUrl;
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
SongModel::SongModel(QObject *parent)
: QAbstractTableModel(parent)
{
}
void SongModel::clearData() {
if (rowCount() > 0)
{
beginRemoveRows(QModelIndex(), 0, rowCount() - 1);
if (!m_Lst.isEmpty()) {
m_Lst.clear();
}
endRemoveRows();
}
}
void SongModel::addSong(const Song &s)
{
//beginInsertRows(QModelIndex(), rowCount(), rowCount());
m_Lst << s;
//endInsertRows();
}
int SongModel::rowCount(const QModelIndex & parent) const {
Q_UNUSED(parent);
return m_Lst.count();
}
QVariant SongModel::data(const QModelIndex & index, int role) const {
if (index.row() < 0 || index.row() >= m_Lst.count())
return QVariant();
const Song &s = m_Lst[index.row()];
if (role == IdRole)
return s.songId();
else if (role == NameRole)
return s.songName();
else if (role == SongerRole)
return s.songer();
else if (role == AlbumRole)
return s.AlbumName();
else if (role == DurationRole)
return s.Duration();
return QVariant();
}
QHash<int, QByteArray> SongModel::roleNames() const {
QHash<int, QByteArray> roles;
roles[IdRole] = "songId";
roles[NameRole] = "songName";
roles[SongerRole] = "songer";
roles[AlbumRole] = "AlbumName";
roles[DurationRole] = "Duration";
return roles;
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
PlayListModel::PlayListModel(QObject *parent)
: QAbstractTableModel(parent)
{
m_nPlayMode = CircleMode;
m_nCurPlayIndex = -1;
}
void PlayListModel::clearData() {
if (rowCount() > 0)
{
beginRemoveRows(QModelIndex(), 0, rowCount() - 1);
if (!m_Lst.isEmpty()) {
m_Lst.clear();
}
endRemoveRows();
}
}
void PlayListModel::addSong(const Song &s)
{
//beginInsertRows(QModelIndex(), rowCount(), rowCount());
m_Lst << s;
//endInsertRows();
}
int PlayListModel::rowCount(const QModelIndex & parent) const {
Q_UNUSED(parent);
return m_Lst.count();
}
QVariant PlayListModel::data(const QModelIndex & index, int role) const {
if (index.row() < 0 || index.row() >= m_Lst.count())
return QVariant();
const Song &s = m_Lst[index.row()];
if (role == NameRole)
return s.songName();
else if (role == SongerRole)
return s.songer();
else if (role == DurationRole)
return s.Duration();
else if (role == IdRole)
return index.row() + 1;
else if (role == ImageRole)
{
int n = index.row() == m_nCurPlayIndex ? 1 : 0;
return n;
}
return QVariant();
}
QHash<int, QByteArray> PlayListModel::roleNames() const {
QHash<int, QByteArray> roles;
roles[IdRole] = "id";
roles[ImageRole] = "image";
roles[NameRole] = "songName";
roles[SongerRole] = "songer";
roles[DurationRole] = "Duration";
return roles;
}