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9ffafbc326
Since the number of shown dives is stored in the core, let's also keep it updated there. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
113 lines
3.4 KiB
C++
113 lines
3.4 KiB
C++
// SPDX-License-Identifier: GPL-2.0
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#include "qt-models/filtermodels.h"
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#include "core/display.h"
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#include "core/qthelper.h"
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#include "core/trip.h"
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#include "core/subsurface-string.h"
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#include "core/subsurface-qt/DiveListNotifier.h"
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#include "qt-models/divetripmodel.h"
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#if !defined(SUBSURFACE_MOBILE)
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#include "core/divefilter.h"
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#endif
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#include <QDebug>
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#include <algorithm>
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MultiFilterSortModel *MultiFilterSortModel::instance()
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{
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static MultiFilterSortModel self;
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return &self;
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}
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MultiFilterSortModel::MultiFilterSortModel(QObject *parent) : QSortFilterProxyModel(parent)
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{
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setFilterKeyColumn(-1); // filter all columns
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setFilterCaseSensitivity(Qt::CaseInsensitive);
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}
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void MultiFilterSortModel::resetModel(DiveTripModelBase::Layout layout)
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{
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DiveTripModelBase::resetModel(layout);
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// DiveTripModelBase::resetModel() generates a new instance.
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// Thus, the source model must be reset.
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setSourceModel(DiveTripModelBase::instance());
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}
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bool MultiFilterSortModel::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const
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{
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QAbstractItemModel *m = sourceModel();
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QModelIndex index0 = m->index(source_row, 0, source_parent);
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return m->data(index0, DiveTripModelBase::SHOWN_ROLE).value<bool>();
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}
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void MultiFilterSortModel::myInvalidate()
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{
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QAbstractItemModel *m = sourceModel();
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if (!m)
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return;
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{
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// This marker prevents the UI from getting notifications on selection changes.
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// It is active until the end of the scope.
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// This is actually meant for the undo-commands, so that they can do their work
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// without having the UI updated.
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// Here, it is used because invalidating the filter can generate numerous
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// selection changes, which do full ui reloads. Instead, do that all at once
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// as a consequence of the filterFinished signal right after the local scope.
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auto marker = diveListNotifier.enterCommand();
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DiveFilter *filter = DiveFilter::instance();
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for (int i = 0; i < m->rowCount(QModelIndex()); ++i) {
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QModelIndex idx = m->index(i, 0, QModelIndex());
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if (m->data(idx, DiveTripModelBase::IS_TRIP_ROLE).toBool()) {
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// This is a trip -> loop over all dives and see if any is selected
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bool showTrip = false;
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for (int j = 0; j < m->rowCount(idx); ++j) {
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QModelIndex idx2 = m->index(j, 0, idx);
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dive *d = m->data(idx2, DiveTripModelBase::DIVE_ROLE).value<dive *>();
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if (!d) {
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qWarning("MultiFilterSortModel::myInvalidate(): subitem not a dive!?");
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continue;
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}
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bool show = filter->showDive(d);
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if (show)
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showTrip = true;
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m->setData(idx2, show, DiveTripModelBase::SHOWN_ROLE);
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}
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m->setData(idx, showTrip, DiveTripModelBase::SHOWN_ROLE);
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} else {
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dive *d = m->data(idx, DiveTripModelBase::DIVE_ROLE).value<dive *>();
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bool show = (d != NULL) && filter->showDive(d);
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m->setData(idx, show, DiveTripModelBase::SHOWN_ROLE);
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}
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}
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invalidateFilter();
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// Tell the dive trip model to update the displayed-counts
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DiveTripModelBase::instance()->filterFinished();
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countsChanged();
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}
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emit filterFinished();
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}
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bool MultiFilterSortModel::updateDive(struct dive *d)
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{
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bool newStatus = DiveFilter::instance()->showDive(d);
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return filter_dive(d, newStatus);
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}
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bool MultiFilterSortModel::lessThan(const QModelIndex &i1, const QModelIndex &i2) const
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{
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// Hand sorting down to the source model.
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return DiveTripModelBase::instance()->lessThan(i1, i2);
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}
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void MultiFilterSortModel::countsChanged()
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{
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updateWindowTitle();
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}
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