mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2024-08-24 15:16:36 -04:00
Note that reverting to v1.7 will invalidate any saved working frequencies from v1.8 but proceeding to v1.8 again will present a reset set of working frequencies i.e. any user defined entries in v1.8 will be lost of a v1.8 -> v1.7 -> v1.8 transition is made. git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8018 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
537 lines
14 KiB
C++
537 lines
14 KiB
C++
#include "StationList.hpp"
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#include <utility>
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#include <algorithm>
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#include <cmath>
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#include <QMetaType>
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#include <QAbstractTableModel>
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#include <QObject>
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#include <QString>
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#include <QVector>
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#include <QStringList>
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#include <QMimeData>
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#include <QDataStream>
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#include <QByteArray>
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#include <QDebug>
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#include <QDebugStateSaver>
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#include "pimpl_impl.hpp"
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#include "Radio.hpp"
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#include "Bands.hpp"
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#include "FrequencyList.hpp"
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#if !defined (QT_NO_DEBUG_STREAM)
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QDebug operator << (QDebug debug, StationList::Station const& station)
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{
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QDebugStateSaver saver {debug};
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debug.nospace () << "Station("
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<< station.band_name_ << ", "
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<< station.offset_ << ", "
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<< station.antenna_description_ << ')';
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return debug;
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}
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#endif
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QDataStream& operator << (QDataStream& os, StationList::Station const& station)
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{
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return os << station.band_name_
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<< station.offset_
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<< station.antenna_description_;
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}
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QDataStream& operator >> (QDataStream& is, StationList::Station& station)
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{
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return is >> station.band_name_
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>> station.offset_
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>> station.antenna_description_;
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}
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class StationList::impl final
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: public QAbstractTableModel
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{
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public:
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impl (Bands const * bands, Stations stations, QObject * parent)
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: QAbstractTableModel {parent}
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, bands_ {bands}
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, stations_ {stations}
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{
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}
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Stations station_list (Stations);
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QModelIndex add (Station);
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FrequencyDelta offset (Frequency) const;
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// Implement the QAbstractTableModel interface.
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int rowCount (QModelIndex const& parent = QModelIndex {}) const override;
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int columnCount (QModelIndex const& parent = QModelIndex {}) const override;
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Qt::ItemFlags flags (QModelIndex const& = QModelIndex {}) const override;
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QVariant data (QModelIndex const&, int role) const override;
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QVariant headerData (int section, Qt::Orientation, int = Qt::DisplayRole) const override;
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bool setData (QModelIndex const&, QVariant const& value, int role = Qt::EditRole) override;
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bool removeRows (int row, int count, QModelIndex const& parent = QModelIndex {}) override;
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bool insertRows (int row, int count, QModelIndex const& parent = QModelIndex {}) override;
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Qt::DropActions supportedDropActions () const override;
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QStringList mimeTypes () const override;
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QMimeData * mimeData (QModelIndexList const&) const override;
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bool dropMimeData (QMimeData const *, Qt::DropAction, int row, int column, QModelIndex const& parent) override;
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// Helper method for band validation.
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QModelIndex first_matching_band (QString const& band_name) const
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{
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// find first exact match in bands
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auto matches = bands_->match (bands_->index (0, 0)
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, Qt::DisplayRole
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, band_name
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, 1
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, Qt::MatchExactly);
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return matches.isEmpty () ? QModelIndex {} : matches.first ();
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}
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static int constexpr num_columns {3};
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static auto constexpr mime_type = "application/wsjt.antenna-descriptions";
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Bands const * bands_;
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Stations stations_;
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};
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StationList::StationList (Bands const * bands, QObject * parent)
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: StationList {bands, {}, parent}
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{
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}
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StationList::StationList (Bands const * bands, Stations stations, QObject * parent)
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: QSortFilterProxyModel {parent}
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, m_ {bands, stations, parent}
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{
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setSourceModel (&*m_);
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setSortRole (SortRole);
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}
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StationList::~StationList ()
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{
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}
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auto StationList::station_list (Stations stations) -> Stations
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{
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return m_->station_list (stations);
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}
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auto StationList::station_list () const -> Stations const&
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{
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return m_->stations_;
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}
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QModelIndex StationList::add (Station s)
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{
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return mapFromSource (m_->add (s));
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}
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bool StationList::remove (Station s)
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{
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auto row = m_->stations_.indexOf (s);
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if (0 > row)
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{
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return false;
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}
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return removeRow (row);
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}
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namespace
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{
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bool row_is_higher (QModelIndex const& lhs, QModelIndex const& rhs)
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{
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return lhs.row () > rhs.row ();
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}
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}
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bool StationList::removeDisjointRows (QModelIndexList rows)
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{
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bool result {true};
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// We must work with source model indexes because we don't want row
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// removes to invalidate model indexes we haven't yet processed. We
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// achieve that by processing them in decending row order.
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for (int r = 0; r < rows.size (); ++r)
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{
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rows[r] = mapToSource (rows[r]);
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}
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// reverse sort by row
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qSort (rows.begin (), rows.end (), row_is_higher);
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Q_FOREACH (auto index, rows)
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{
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if (result && !m_->removeRow (index.row ()))
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{
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result = false;
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}
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}
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return result;
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}
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auto StationList::offset (Frequency f) const -> FrequencyDelta
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{
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return m_->offset (f);
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}
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auto StationList::impl::station_list (Stations stations) -> Stations
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{
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beginResetModel ();
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std::swap (stations_, stations);
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endResetModel ();
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return stations;
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}
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QModelIndex StationList::impl::add (Station s)
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{
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// Any band that isn't in the list may be added
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if (!stations_.contains (s))
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{
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auto row = stations_.size ();
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beginInsertRows (QModelIndex {}, row, row);
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stations_.append (s);
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endInsertRows ();
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return index (row, 0);
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}
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return QModelIndex {};
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}
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auto StationList::impl::offset (Frequency f) const -> FrequencyDelta
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{
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// Lookup band for frequency
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auto const& band = bands_->find (f);
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if (!band.isEmpty ())
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{
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// Lookup station for band
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for (int i = 0; i < stations_.size (); ++i)
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{
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if (stations_[i].band_name_ == band)
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{
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return stations_[i].offset_;
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}
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}
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}
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return 0; // no offset
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}
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int StationList::impl::rowCount (QModelIndex const& parent) const
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{
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return parent.isValid () ? 0 : stations_.size ();
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}
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int StationList::impl::columnCount (QModelIndex const& parent) const
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{
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return parent.isValid () ? 0 : num_columns;
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}
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Qt::ItemFlags StationList::impl::flags (QModelIndex const& index) const
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{
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auto result = QAbstractTableModel::flags (index);
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auto row = index.row ();
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auto column = index.column ();
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if (index.isValid ()
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&& row < stations_.size ()
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&& column < num_columns)
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{
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if (description_column == column)
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{
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result |= Qt::ItemIsEditable | Qt::ItemIsDragEnabled | Qt::ItemIsDropEnabled;
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}
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else
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{
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result |= Qt::ItemIsEditable | Qt::ItemIsDropEnabled;
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}
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}
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else
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{
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result |= Qt::ItemIsDropEnabled;
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}
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return result;
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}
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QVariant StationList::impl::data (QModelIndex const& index, int role) const
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{
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QVariant item;
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auto row = index.row ();
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auto column = index.column ();
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if (index.isValid ()
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&& row < stations_.size ())
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{
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switch (column)
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{
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case band_column:
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switch (role)
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{
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case SortRole:
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{
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// Lookup band.
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auto band_index = first_matching_band (stations_.at (row).band_name_);
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// Use the sort role value of the band.
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item = band_index.data (Bands::SortRole);
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}
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break;
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case Qt::DisplayRole:
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case Qt::EditRole:
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case Qt::AccessibleTextRole:
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item = stations_.at (row).band_name_;
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break;
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case Qt::ToolTipRole:
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case Qt::AccessibleDescriptionRole:
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item = tr ("Band name");
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break;
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case Qt::TextAlignmentRole:
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item = Qt::AlignHCenter + Qt::AlignVCenter;
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break;
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}
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break;
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case offset_column:
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{
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auto frequency_offset = stations_.at (row).offset_;
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switch (role)
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{
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case SortRole:
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case Qt::EditRole:
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case Qt::AccessibleTextRole:
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item = frequency_offset;
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break;
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case Qt::DisplayRole:
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item = Radio::pretty_frequency_MHz_string (frequency_offset) + " MHz";
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break;
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case Qt::ToolTipRole:
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case Qt::AccessibleDescriptionRole:
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item = tr ("Frequency offset");
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break;
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case Qt::TextAlignmentRole:
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item = Qt::AlignRight + Qt::AlignVCenter;
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break;
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}
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}
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break;
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case description_column:
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switch (role)
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{
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case SortRole:
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case Qt::EditRole:
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case Qt::DisplayRole:
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case Qt::AccessibleTextRole:
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item = stations_.at (row).antenna_description_;
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break;
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case Qt::ToolTipRole:
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case Qt::AccessibleDescriptionRole:
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item = tr ("Antenna description");
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break;
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case Qt::TextAlignmentRole:
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item = Qt::AlignLeft + Qt::AlignVCenter;
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break;
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}
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break;
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}
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}
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return item;
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}
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QVariant StationList::impl::headerData (int section, Qt::Orientation orientation, int role) const
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{
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QVariant header;
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if (Qt::DisplayRole == role && Qt::Horizontal == orientation)
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{
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switch (section)
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{
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case band_column: header = tr ("Band"); break;
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case offset_column: header = tr ("Offset"); break;
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case description_column: header = tr ("Antenna Description"); break;
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}
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}
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else
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{
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header = QAbstractTableModel::headerData (section, orientation, role);
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}
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return header;
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}
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bool StationList::impl::setData (QModelIndex const& model_index, QVariant const& value, int role)
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{
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bool changed {false};
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auto row = model_index.row ();
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auto size = stations_.size ();
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if (model_index.isValid ()
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&& Qt::EditRole == role
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&& row < size)
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{
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QVector<int> roles;
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roles << role;
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switch (model_index.column ())
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{
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case band_column:
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{
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// Check if band name is valid.
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auto band_index = first_matching_band (value.toString ());
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if (band_index.isValid ())
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{
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stations_[row].band_name_ = band_index.data ().toString ();
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Q_EMIT dataChanged (model_index, model_index, roles);
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changed = true;
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}
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}
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break;
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case offset_column:
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{
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if (value.canConvert<FrequencyDelta> ())
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{
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FrequencyDelta offset {qvariant_cast<Radio::FrequencyDelta> (value)};
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if (offset != stations_[row].offset_)
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{
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stations_[row].offset_ = offset;
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Q_EMIT dataChanged (model_index, model_index, roles);
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changed = true;
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}
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}
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}
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break;
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case description_column:
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stations_[row].antenna_description_ = value.toString ();
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Q_EMIT dataChanged (model_index, model_index, roles);
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changed = true;
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break;
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}
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}
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return changed;
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}
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bool StationList::impl::removeRows (int row, int count, QModelIndex const& parent)
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{
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if (0 < count && (row + count) <= rowCount (parent))
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{
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beginRemoveRows (parent, row, row + count - 1);
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for (auto r = 0; r < count; ++r)
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{
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stations_.removeAt (row);
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}
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endRemoveRows ();
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return true;
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}
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return false;
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}
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bool StationList::impl::insertRows (int row, int count, QModelIndex const& parent)
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{
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if (0 < count)
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{
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beginInsertRows (parent, row, row + count - 1);
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for (auto r = 0; r < count; ++r)
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{
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stations_.insert (row, Station ());
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}
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endInsertRows ();
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return true;
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}
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return false;
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}
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Qt::DropActions StationList::impl::supportedDropActions () const
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{
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return Qt::CopyAction | Qt::MoveAction;
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}
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QStringList StationList::impl::mimeTypes () const
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{
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QStringList types;
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types << mime_type;
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types << "application/wsjt.Frequencies";
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return types;
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}
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QMimeData * StationList::impl::mimeData (QModelIndexList const& items) const
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{
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QMimeData * mime_data = new QMimeData {};
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QByteArray encoded_data;
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QDataStream stream {&encoded_data, QIODevice::WriteOnly};
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Q_FOREACH (auto const& item, items)
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{
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if (item.isValid ())
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{
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stream << QString {data (item, Qt::DisplayRole).toString ()};
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}
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}
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mime_data->setData (mime_type, encoded_data);
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return mime_data;
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}
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bool StationList::impl::dropMimeData (QMimeData const * data, Qt::DropAction action, int /* row */, int /* column */, QModelIndex const& parent)
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{
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if (Qt::IgnoreAction == action)
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{
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return true;
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}
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if (parent.isValid ()
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&& description_column == parent.column ()
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&& data->hasFormat (mime_type))
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{
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QByteArray encoded_data {data->data (mime_type)};
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QDataStream stream {&encoded_data, QIODevice::ReadOnly};
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auto dest_index = parent;
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while (!stream.atEnd ())
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{
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QString text;
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stream >> text;
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setData (dest_index, text);
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dest_index = index (dest_index.row () + 1, dest_index.column (), QModelIndex {});
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}
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return true;
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}
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else if (data->hasFormat ("application/wsjt.Frequencies"))
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{
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QByteArray encoded_data {data->data ("application/wsjt.Frequencies")};
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QDataStream stream {&encoded_data, QIODevice::ReadOnly};
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while (!stream.atEnd ())
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{
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FrequencyList_v2::Item item;
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stream >> item;
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auto const& band = bands_->find (item.frequency_);
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if (stations_.cend () == std::find_if (stations_.cbegin ()
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, stations_.cend ()
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, [&band] (Station const& s) {return s.band_name_ == band;}))
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{
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// not found so add it
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add (Station {band, 0, QString {}});
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}
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}
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return true;
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}
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return false;
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}
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