93 lines
2.2 KiB
C++
93 lines
2.2 KiB
C++
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#include "RecentAircraftModel.hxx"
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#include <QSettings>
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#include <QDebug>
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#include "AircraftModel.hxx"
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const int MAX_RECENT_AIRCRAFT = 20;
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RecentAircraftModel::RecentAircraftModel(AircraftItemModel* acModel, QObject* pr) :
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QAbstractListModel(pr),
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m_aircraftModel(acModel)
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{
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QSettings settings;
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const QStringList urls = settings.value("recent-aircraft").toStringList();
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m_data = QUrl::fromStringList(urls);
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}
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void RecentAircraftModel::saveToSettings()
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{
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QSettings settings;
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settings.setValue("recent-aircraft", QUrl::toStringList(m_data));
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}
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QUrl RecentAircraftModel::uriAt(int index) const
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{
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return m_data.at(index);
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}
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QVariant RecentAircraftModel::data(const QModelIndex &index, int role) const
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{
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const QUrl uri = m_data.at(index.row());
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if (role == Qt::DisplayRole) {
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return m_aircraftModel->nameForAircraftURI(uri);
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} else if (role == Qt::UserRole) {
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return uri;
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}
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return {};
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}
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int RecentAircraftModel::rowCount(const QModelIndex &parent) const
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{
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return m_data.size();
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}
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QHash<int, QByteArray> RecentAircraftModel::roleNames() const
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{
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QHash<int, QByteArray> result = QAbstractListModel::roleNames();
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result[Qt::DisplayRole] = "display";
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result[Qt::UserRole] = "uri";
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return result;
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}
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QUrl RecentAircraftModel::mostRecent() const
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{
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if (m_data.empty()) {
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return {};
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}
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return m_data.front();
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}
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void RecentAircraftModel::insert(QUrl aircraftUrl)
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{
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if (aircraftUrl.isEmpty())
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return;
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int existingIndex = m_data.indexOf(aircraftUrl);
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if (existingIndex == 0) {
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// special, common case - nothing to do
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return;
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}
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if (existingIndex >= 0) {
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beginRemoveRows(QModelIndex(), existingIndex, existingIndex);
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m_data.removeAt(existingIndex);
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endRemoveRows();
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}
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beginInsertRows(QModelIndex(), 0, 0);
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m_data.push_front(aircraftUrl);
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endInsertRows();
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if (m_data.size() > MAX_RECENT_AIRCRAFT) {
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beginRemoveRows(QModelIndex(), MAX_RECENT_AIRCRAFT, m_data.size() - 1);
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// truncate the data at the correct size
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m_data = m_data.mid(0, MAX_RECENT_AIRCRAFT);
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endRemoveRows();
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}
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}
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