f3a1c10b24
The HistoryPopup was caching its contents rather early, and we failed to tell the model when its underlying data updated. Connect that through so the history model refreshes also. https://sourceforge.net/p/flightgear/codetickets/2036/
107 lines
2.5 KiB
C++
107 lines
2.5 KiB
C++
#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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connect(m_aircraftModel, &AircraftItemModel::contentsChanged,
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this, &RecentAircraftModel::onModelContentsChanged);
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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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bool RecentAircraftModel::isEmpty() const
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{
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return m_data.empty();
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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&) 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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emit isEmptyChanged();
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}
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void RecentAircraftModel::onModelContentsChanged()
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{
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emit dataChanged(index(0), index(m_data.size() - 1));
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}
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