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Mixxx DJ software with MCP, Subsonic/Navidrome streaming library support — browse and load tracks from your self-hosted music server mixxx.org
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C++
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139#include "util/statmodel.h"
#include <limits>
#include "moc_statmodel.cpp"#include "util/math.h"
StatModel::StatModel(QObject* pParent) : QAbstractTableModel(pParent) {
setHeaderData(STAT_COLUMN_NAME, Qt::Horizontal, tr("Name")); setHeaderData(STAT_COLUMN_COUNT, Qt::Horizontal, tr("Count")); setHeaderData(STAT_COLUMN_TYPE, Qt::Horizontal, tr("Type")); setHeaderData(STAT_COLUMN_UNITS, Qt::Horizontal, tr("Units")); setHeaderData(STAT_COLUMN_SUM, Qt::Horizontal, tr("Sum")); setHeaderData(STAT_COLUMN_MIN, Qt::Horizontal, tr("Min")); setHeaderData(STAT_COLUMN_MAX, Qt::Horizontal, tr("Max")); setHeaderData(STAT_COLUMN_MEAN, Qt::Horizontal, tr("Mean")); setHeaderData(STAT_COLUMN_VARIANCE, Qt::Horizontal, tr("Variance")); setHeaderData(STAT_COLUMN_STDDEV, Qt::Horizontal, tr("Standard Deviation"));}
StatModel::~StatModel() {}
void StatModel::statUpdated(const Stat& stat) { auto it = m_statNameToRow.constFind(stat.m_tag); if (it != m_statNameToRow.constEnd()) { int row = it.value(); m_stats[row] = stat; QModelIndex left = index(row, 0); QModelIndex right = index(row, columnCount() - 1); emit dataChanged(left, right); } else { beginInsertRows(QModelIndex(), m_stats.size(), m_stats.size()); m_statNameToRow[stat.m_tag] = m_stats.size(); m_stats.append(stat); endInsertRows(); }}
int StatModel::rowCount(const QModelIndex& parent) const { if (parent.isValid()) { return 0; } return m_stats.size();}
int StatModel::columnCount(const QModelIndex& parent) const { if (parent.isValid()) { return 0; } return NUM_STAT_COLUMNS;}
QVariant StatModel::data(const QModelIndex& index, int role) const { if (!index.isValid() || (role != Qt::DisplayRole && role != Qt::EditRole)) { return QVariant(); }
int row = index.row(); int column = index.column();
if (row < 0 || row >= m_stats.size()) { return QVariant(); }
const Stat& stat = m_stats.at(row); switch (column) { case STAT_COLUMN_NAME: return stat.m_tag; case STAT_COLUMN_TYPE: return stat.m_type; case STAT_COLUMN_COUNT: return stat.m_report_count; case STAT_COLUMN_SUM: return stat.m_sum; case STAT_COLUMN_MIN: return std::numeric_limits<double>::max() == stat.m_min ? QVariant("XXX") : QVariant(stat.m_min); case STAT_COLUMN_MAX: return std::numeric_limits<double>::min() == stat.m_max ? QVariant("XXX") : QVariant(stat.m_max); case STAT_COLUMN_MEAN: return stat.m_report_count > 0 ? QVariant(stat.m_sum / stat.m_report_count) : QVariant("XXX"); case STAT_COLUMN_VARIANCE: return stat.variance(); case STAT_COLUMN_STDDEV: return sqrt(stat.variance()); case STAT_COLUMN_UNITS: return stat.valueUnits(); } return QVariant();}
bool StatModel::setHeaderData(int section, Qt::Orientation orientation, const QVariant& value, int role) { int numColumns = columnCount(); if (section < 0 || section >= numColumns) { return false; }
if (orientation != Qt::Horizontal) { // We only care about horizontal headers. return false; }
if (m_headerInfo.size() != numColumns) { m_headerInfo.resize(numColumns); }
m_headerInfo[section][role] = value; emit headerDataChanged(orientation, section, section); return true;}
QVariant StatModel::headerData(int section, Qt::Orientation orientation, int role) const { if (role == Qt::DisplayRole && orientation == Qt::Horizontal) { QVariant headerValue = m_headerInfo.value(section).value(role); if (!headerValue.isValid()) { // Try EditRole if DisplayRole wasn't present headerValue = m_headerInfo.value(section).value(Qt::EditRole); } if (!headerValue.isValid()) { headerValue = QVariant(section).toString(); } return headerValue; } return QAbstractTableModel::headerData(section, orientation, role);}