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// SPDX-License-Identifier: GPL-2.0
#include "qt-models/filtermodels.h"
#include "core/display.h"
#include "core/qthelper.h"
#include "core/trip.h"
#include "core/subsurface-string.h"
#include "core/subsurface-qt/DiveListNotifier.h"
#include "qt-models/divetripmodel.h"
#if !defined(SUBSURFACE_MOBILE)
#include "core/divefilter.h"
#endif
#include <QDebug>
#include <algorithm>
MultiFilterSortModel *MultiFilterSortModel::instance()
{
static MultiFilterSortModel self;
return &self;
}
MultiFilterSortModel::MultiFilterSortModel(QObject *parent) : QSortFilterProxyModel(parent)
{
setFilterKeyColumn(-1); // filter all columns
setFilterCaseSensitivity(Qt::CaseInsensitive);
}
void MultiFilterSortModel::resetModel(DiveTripModelBase::Layout layout)
{
DiveTripModelBase::resetModel(layout);
// DiveTripModelBase::resetModel() generates a new instance.
// Thus, the source model must be reset.
setSourceModel(DiveTripModelBase::instance());
}
bool MultiFilterSortModel::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const
{
QAbstractItemModel *m = sourceModel();
QModelIndex index0 = m->index(source_row, 0, source_parent);
return m->data(index0, DiveTripModelBase::SHOWN_ROLE).value<bool>();
}
void MultiFilterSortModel::myInvalidate()
{
QAbstractItemModel *m = sourceModel();
if (!m)
return;
{
// This marker prevents the UI from getting notifications on selection changes.
// It is active until the end of the scope.
// This is actually meant for the undo-commands, so that they can do their work
// without having the UI updated.
// Here, it is used because invalidating the filter can generate numerous
// selection changes, which do full ui reloads. Instead, do that all at once
// as a consequence of the filterFinished signal right after the local scope.
auto marker = diveListNotifier.enterCommand();
shown_dives = 0;
DiveFilter *filter = DiveFilter::instance();
for (int i = 0; i < m->rowCount(QModelIndex()); ++i) {
QModelIndex idx = m->index(i, 0, QModelIndex());
if (m->data(idx, DiveTripModelBase::IS_TRIP_ROLE).toBool()) {
// This is a trip -> loop over all dives and see if any is selected
bool showTrip = false;
for (int j = 0; j < m->rowCount(idx); ++j) {
QModelIndex idx2 = m->index(j, 0, idx);
dive *d = m->data(idx2, DiveTripModelBase::DIVE_ROLE).value<dive *>();
if (!d) {
qWarning("MultiFilterSortModel::myInvalidate(): subitem not a dive!?");
continue;
}
bool show = filter->showDive(d);
if (show) {
shown_dives++;
showTrip = true;
}
m->setData(idx2, show, DiveTripModelBase::SHOWN_ROLE);
}
m->setData(idx, showTrip, DiveTripModelBase::SHOWN_ROLE);
} else {
dive *d = m->data(idx, DiveTripModelBase::DIVE_ROLE).value<dive *>();
bool show = (d != NULL) && filter->showDive(d);
if (show)
shown_dives++;
m->setData(idx, show, DiveTripModelBase::SHOWN_ROLE);
}
}
invalidateFilter();
// Tell the dive trip model to update the displayed-counts
DiveTripModelBase::instance()->filterFinished();
countsChanged();
}
emit filterFinished();
}
bool MultiFilterSortModel::updateDive(struct dive *d)
{
bool oldStatus = !d->hidden_by_filter;
bool newStatus = DiveFilter::instance()->showDive(d);
bool changed = oldStatus != newStatus;
if (changed) {
filter_dive(d, newStatus);
shown_dives += newStatus - oldStatus;
}
return changed;
}
bool MultiFilterSortModel::lessThan(const QModelIndex &i1, const QModelIndex &i2) const
{
// Hand sorting down to the source model.
return DiveTripModelBase::instance()->lessThan(i1, i2);
}
void MultiFilterSortModel::countsChanged()
{
updateWindowTitle();
}
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