WSJT-X/FrequencyList.cpp
Bill Somerville 4a445b0779 Add FrequencyList methods to retrieve band name sets
Start to rationalize the new WSPR code with the data models.

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@5475 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2015-05-31 11:51:40 +00:00

594 lines
15 KiB
C++

#include "FrequencyList.hpp"
#include <utility>
#include <QAbstractTableModel>
#include <QString>
#include <QList>
#include <QListIterator>
#include <QVector>
#include <QStringList>
#include <QMimeData>
#include <QDataStream>
#include <QByteArray>
#include "Bands.hpp"
#include "pimpl_impl.hpp"
namespace
{
FrequencyList::FrequencyItems const default_frequency_list =
{
{136000, Modes::WSPR},
{136130, Modes::JT65},
{474200, Modes::JT65},
{474200, Modes::JT9},
{474200, Modes::WSPR},
{1836600, Modes::WSPR},
{1838000, Modes::JT65},
{1840000, Modes::JT9},
{3576000, Modes::JT65},
{3578000, Modes::JT9},
{3592600, Modes::WSPR},
{5357000, Modes::JT65},
{5287200, Modes::WSPR},
{7038600, Modes::WSPR},
{7076000, Modes::JT65},
{7078000, Modes::JT9},
{10138000, Modes::JT65},
{10138700, Modes::WSPR},
{10140000, Modes::JT9},
{14095600, Modes::WSPR},
{14076000, Modes::JT65},
{14078000, Modes::JT9},
{18102000, Modes::JT65},
{18104000, Modes::JT9},
{18104600, Modes::WSPR},
{21076000, Modes::JT65},
{21078000, Modes::JT9},
{21094600, Modes::WSPR},
{24917000, Modes::JT65},
{24919000, Modes::JT9},
{24924600, Modes::WSPR},
{28076000, Modes::JT65},
{28078000, Modes::JT9},
{28124600, Modes::WSPR},
{50276000, Modes::JT65},
{50293000, Modes::WSPR},
{70091000, Modes::JT65},
{70091000, Modes::WSPR},
{144000000, Modes::JT4},
{144489000, Modes::JT65},
{144489000, Modes::WSPR},
{222000000, Modes::JT4},
{222000000, Modes::JT65},
{432000000, Modes::JT4},
{432000000, Modes::JT65},
{432300000, Modes::WSPR},
{902000000, Modes::JT4},
{902000000, Modes::JT65},
{1296000000, Modes::JT4},
{1296000000, Modes::JT65},
{1296500000, Modes::WSPR},
{2301000000, Modes::JT4},
{2301000000, Modes::JT65},
{2304000000, Modes::JT4},
{2304000000, Modes::JT65},
{2320000000, Modes::JT4},
{2320000000, Modes::JT65},
{3400000000, Modes::JT4},
{3400000000, Modes::JT65},
{3456000000, Modes::JT4},
{3456000000, Modes::JT65},
{5760000000, Modes::JT4},
{5760000000, Modes::JT65},
{10368000000, Modes::JT4},
{10368000000, Modes::JT65},
{24048000000, Modes::JT4},
{24048000000, Modes::JT65},
};
}
#if !defined (QT_NO_DEBUG_STREAM)
QDebug operator << (QDebug debug, FrequencyList::Item const& item)
{
debug.nospace () << "FrequencyItem("
<< item.frequency_ << ", "
<< item.mode_ << ')';
return debug.space ();
}
#endif
QDataStream& operator << (QDataStream& os, FrequencyList::Item const& item)
{
return os << item.frequency_
<< item.mode_;
}
QDataStream& operator >> (QDataStream& is, FrequencyList::Item& item)
{
return is >> item.frequency_
>> item.mode_;
}
class FrequencyList::impl final
: public QAbstractTableModel
{
public:
impl (Bands const * bands, QObject * parent)
: QAbstractTableModel {parent}
, bands_ {bands}
, mode_filter_ {Modes::NULL_MODE}
{
}
FrequencyItems frequency_list (FrequencyItems);
QModelIndex add (Item);
// Implement the QAbstractTableModel interface
int rowCount (QModelIndex const& parent = QModelIndex {}) const override;
int columnCount (QModelIndex const& parent = QModelIndex {}) const override;
Qt::ItemFlags flags (QModelIndex const& = QModelIndex {}) const override;
QVariant data (QModelIndex const&, int role = Qt::DisplayRole) const override;
bool setData (QModelIndex const&, QVariant const& value, int role = Qt::EditRole) override;
QVariant headerData (int section, Qt::Orientation, int = Qt::DisplayRole) const override;
bool removeRows (int row, int count, QModelIndex const& parent = QModelIndex {}) override;
bool insertRows (int row, int count, QModelIndex const& parent = QModelIndex {}) override;
QStringList mimeTypes () const override;
QMimeData * mimeData (QModelIndexList const&) const override;
static int constexpr num_cols {3};
static auto constexpr mime_type ="application/wsjt.Frequencies";
Bands const * bands_;
FrequencyItems frequency_list_;
Mode mode_filter_;
};
FrequencyList::FrequencyList (Bands const * bands, QObject * parent)
: QSortFilterProxyModel {parent}
, m_ {bands, parent}
{
setSourceModel (&*m_);
setSortRole (SortRole);
}
FrequencyList::~FrequencyList ()
{
}
auto FrequencyList::frequency_list (FrequencyItems frequency_list) -> FrequencyItems
{
return m_->frequency_list (frequency_list);
}
auto FrequencyList::frequency_list () const -> FrequencyItems const&
{
return m_->frequency_list_;
}
int FrequencyList::best_working_frequency (Frequency f) const
{
int result {-1};
auto const& target_band = m_->bands_->find (f);
if (!target_band.isEmpty ())
{
// find a frequency in the same band that is allowed
for (int row = 0; row < rowCount (); ++row)
{
auto const& source_row = mapToSource (index (row, 0)).row ();
auto const& band = m_->bands_->find (m_->frequency_list_[source_row].frequency_);
if (band == target_band)
{
return row;
}
}
}
return result;
}
int FrequencyList::best_working_frequency (QString const& target_band) const
{
int result {-1};
if (!target_band.isEmpty ())
{
// find a frequency in the same band that is allowed
for (int row = 0; row < rowCount (); ++row)
{
auto const& source_row = mapToSource (index (row, 0)).row ();
auto const& band = m_->bands_->find (m_->frequency_list_[source_row].frequency_);
if (band == target_band)
{
return row;
}
}
}
return result;
}
void FrequencyList::reset_to_defaults ()
{
m_->frequency_list (default_frequency_list);
}
QModelIndex FrequencyList::add (Item f)
{
return mapFromSource (m_->add (f));
}
bool FrequencyList::remove (Item f)
{
auto row = m_->frequency_list_.indexOf (f);
if (0 > row)
{
return false;
}
return m_->removeRow (row);
}
namespace
{
bool row_is_higher (QModelIndex const& lhs, QModelIndex const& rhs)
{
return lhs.row () > rhs.row ();
}
}
bool FrequencyList::removeDisjointRows (QModelIndexList rows)
{
bool result {true};
// We must work with source model indexes because we don't want row
// removes to invalidate model indexes we haven't yet processed. We
// achieve that by processing them in decending row order.
for (int r = 0; r < rows.size (); ++r)
{
rows[r] = mapToSource (rows[r]);
}
// reverse sort by row
qSort (rows.begin (), rows.end (), row_is_higher);
Q_FOREACH (auto index, rows)
{
if (result && !m_->removeRow (index.row ()))
{
result = false;
}
}
return result;
}
void FrequencyList::filter (Mode mode)
{
m_->mode_filter_ = mode;
invalidateFilter ();
}
bool FrequencyList::filterAcceptsRow (int source_row, QModelIndex const& /* parent */) const
{
bool result {true};
if (m_->mode_filter_ != Modes::NULL_MODE)
{
auto const& item = m_->frequency_list_[source_row];
result = item.mode_ == Modes::NULL_MODE || m_->mode_filter_ == item.mode_;
}
return result;
}
auto FrequencyList::impl::frequency_list (FrequencyItems frequency_list) -> FrequencyItems
{
beginResetModel ();
std::swap (frequency_list_, frequency_list);
endResetModel ();
return frequency_list;
}
QModelIndex FrequencyList::impl::add (Item f)
{
// Any Frequency that isn't in the list may be added
if (!frequency_list_.contains (f))
{
auto row = frequency_list_.size ();
beginInsertRows (QModelIndex {}, row, row);
frequency_list_.append (f);
endInsertRows ();
return index (row, 0);
}
return QModelIndex {};
}
int FrequencyList::impl::rowCount (QModelIndex const& parent) const
{
return parent.isValid () ? 0 : frequency_list_.size ();
}
int FrequencyList::impl::columnCount (QModelIndex const& parent) const
{
return parent.isValid () ? 0 : num_cols;
}
Qt::ItemFlags FrequencyList::impl::flags (QModelIndex const& index) const
{
auto result = QAbstractTableModel::flags (index) | Qt::ItemIsDropEnabled;
auto row = index.row ();
auto column = index.column ();
if (index.isValid ()
&& row < frequency_list_.size ()
&& column < num_cols)
{
if (frequency_mhz_column != column)
{
result |= Qt::ItemIsEditable | Qt::ItemIsDragEnabled;
}
}
return result;
}
QVariant FrequencyList::impl::data (QModelIndex const& index, int role) const
{
QVariant item;
auto const& row = index.row ();
auto const& column = index.column ();
if (index.isValid ()
&& row < frequency_list_.size ()
&& column < num_cols)
{
auto const& frequency_item = frequency_list_.at (row);
switch (column)
{
case mode_column:
switch (role)
{
case SortRole:
case Qt::DisplayRole:
case Qt::EditRole:
case Qt::AccessibleTextRole:
item = Modes::name (frequency_item.mode_);
break;
case Qt::ToolTipRole:
case Qt::AccessibleDescriptionRole:
item = tr ("Mode");
break;
case Qt::TextAlignmentRole:
item = Qt::AlignHCenter + Qt::AlignVCenter;
break;
}
break;
case frequency_column:
switch (role)
{
case SortRole:
case Qt::EditRole:
case Qt::AccessibleTextRole:
item = frequency_item.frequency_;
break;
case Qt::DisplayRole:
{
auto const& band = bands_->find (frequency_item.frequency_);
item = Radio::pretty_frequency_MHz_string (frequency_item.frequency_)
+ " MHz (" + (band.isEmpty () ? "OOB" : band) + ')';
}
break;
case Qt::ToolTipRole:
case Qt::AccessibleDescriptionRole:
item = tr ("Frequency");
break;
case Qt::TextAlignmentRole:
item = Qt::AlignRight + Qt::AlignVCenter;
break;
}
break;
case frequency_mhz_column:
switch (role)
{
case Qt::EditRole:
case Qt::AccessibleTextRole:
item = frequency_item.frequency_ / 1.e6;
break;
case Qt::DisplayRole:
{
auto const& band = bands_->find (frequency_item.frequency_);
item = Radio::pretty_frequency_MHz_string (frequency_item.frequency_)
+ " MHz (" + (band.isEmpty () ? "OOB" : band) + ')';
}
break;
case Qt::ToolTipRole:
case Qt::AccessibleDescriptionRole:
item = tr ("Frequency (MHz)");
break;
case Qt::TextAlignmentRole:
item = Qt::AlignRight + Qt::AlignVCenter;
break;
}
break;
}
}
return item;
}
bool FrequencyList::impl::setData (QModelIndex const& model_index, QVariant const& value, int role)
{
bool changed {false};
auto const& row = model_index.row ();
if (model_index.isValid ()
&& Qt::EditRole == role
&& row < frequency_list_.size ())
{
QVector<int> roles;
roles << role;
auto& item = frequency_list_[row];
switch (model_index.column ())
{
case mode_column:
if (value.canConvert<Mode> ())
{
auto mode = Modes::value (value.toString ());
if (mode != item.mode_)
{
item.mode_ = mode;
Q_EMIT dataChanged (model_index, model_index, roles);
changed = true;
}
}
break;
case frequency_column:
if (value.canConvert<Frequency> ())
{
auto frequency = value.value<Frequency> ();
if (frequency != item.frequency_)
{
item.frequency_ = frequency;
// mark derived column (1) changed as well
Q_EMIT dataChanged (index (model_index.row (), 1), model_index, roles);
changed = true;
}
}
break;
}
}
return changed;
}
QVariant FrequencyList::impl::headerData (int section, Qt::Orientation orientation, int role) const
{
QVariant header;
if (Qt::DisplayRole == role
&& Qt::Horizontal == orientation
&& section < num_cols)
{
switch (section)
{
case mode_column: header = tr ("Mode"); break;
case frequency_column: header = tr ("Frequency"); break;
case frequency_mhz_column: header = tr ("Frequency (MHz)"); break;
}
}
else
{
header = QAbstractTableModel::headerData (section, orientation, role);
}
return header;
}
bool FrequencyList::impl::removeRows (int row, int count, QModelIndex const& parent)
{
if (0 < count && (row + count) <= rowCount (parent))
{
beginRemoveRows (parent, row, row + count - 1);
for (auto r = 0; r < count; ++r)
{
frequency_list_.removeAt (row);
}
endRemoveRows ();
return true;
}
return false;
}
bool FrequencyList::impl::insertRows (int row, int count, QModelIndex const& parent)
{
if (0 < count)
{
beginInsertRows (parent, row, row + count - 1);
for (auto r = 0; r < count; ++r)
{
frequency_list_.insert (row, Item {0, Mode::NULL_MODE});
}
endInsertRows ();
return true;
}
return false;
}
QStringList FrequencyList::impl::mimeTypes () const
{
QStringList types;
types << mime_type;
return types;
}
QMimeData * FrequencyList::impl::mimeData (QModelIndexList const& items) const
{
QMimeData * mime_data = new QMimeData {};
QByteArray encoded_data;
QDataStream stream {&encoded_data, QIODevice::WriteOnly};
Q_FOREACH (auto const& item, items)
{
if (item.isValid () && frequency_column == item.column ())
{
stream << QString {data (item, Qt::DisplayRole).toString ()};
}
}
mime_data->setData (mime_type, encoded_data);
return mime_data;
}
auto FrequencyList::const_iterator::operator * () -> Item const&
{
return parent_->frequency_list ().at(parent_->mapToSource (parent_->index (row_, 0)).row ());
}
bool FrequencyList::const_iterator::operator != (const_iterator const& rhs) const
{
return parent_ != rhs.parent_ || row_ != rhs.row_;
}
auto FrequencyList::const_iterator::operator ++ () -> const_iterator&
{
++row_;
return *this;
}
auto FrequencyList::begin () const -> FrequencyList::const_iterator
{
return const_iterator (this, 0);
}
auto FrequencyList::end () const -> FrequencyList::const_iterator
{
return const_iterator (this, rowCount ());
}
auto FrequencyList::all_bands () const -> BandSet
{
BandSet result;
for (auto const& item : m_->frequency_list_)
{
result << m_->bands_->find (item.frequency_);
}
return result;
}
auto FrequencyList::filtered_bands () const -> BandSet
{
BandSet result;
for (auto const& item : *this)
{
result << m_->bands_->find (item.frequency_);
}
return result;
}