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// SPDX-License-Identifier: GPL-2.0
#include "qt-models/filtermodels.h"
#include "qt-models/models.h"
#include "core/display.h"
#include "core/qthelper.h"
#include "core/subsurface-string.h"
#include "core/subsurface-qt/DiveListNotifier.h"
#include "qt-models/divetripmodel.h"
#if !defined(SUBSURFACE_MOBILE)
#include "desktop-widgets/divelistview.h"
#include "desktop-widgets/mainwindow.h"
#endif
#include <QDebug>
#include <algorithm>
namespace {
// Check if a string-list contains at least one string containing the second argument.
// Comparison is non case sensitive and removes white space.
bool listContainsSuperstring(const QStringList &list, const QString &s)
{
return std::any_of(list.begin(), list.end(), [&s](const QString &s2)
{ return s2.trimmed().contains(s.trimmed(), Qt::CaseInsensitive); });
}
bool hasTags(const QStringList &tags, const struct dive *d)
{
if (tags.isEmpty())
return true;
QStringList dive_tags = get_taglist_string(d->tag_list).split(",");
return std::all_of(tags.begin(), tags.end(), [&dive_tags](const QString &tag)
{ return listContainsSuperstring(dive_tags, tag); });
}
bool hasPersons(const QStringList &people, const struct dive *d)
{
if (people.isEmpty())
return true;
QStringList dive_people = QString(d->buddy).split(",", QString::SkipEmptyParts)
+ QString(d->divemaster).split(",", QString::SkipEmptyParts);
return std::all_of(people.begin(), people.end(), [&dive_people](const QString &person)
{ return listContainsSuperstring(dive_people, person); });
}
bool hasLocations(const QStringList &locations, const struct dive *d)
{
if (locations.isEmpty())
return true;
QStringList diveLocations;
if (d->divetrip)
diveLocations.push_back(QString(d->divetrip->location));
if (d->dive_site)
diveLocations.push_back(QString(d->dive_site->name));
return std::all_of(locations.begin(), locations.end(), [&diveLocations](const QString &location)
{ return listContainsSuperstring(diveLocations, location); });
}
// TODO: Finish this iimplementation.
bool hasEquipment(const QStringList& equipment, const struct dive *d)
{
return true;
}
}
MultiFilterSortModel *MultiFilterSortModel::instance()
{
static MultiFilterSortModel self;
return &self;
}
MultiFilterSortModel::MultiFilterSortModel(QObject *parent) : QSortFilterProxyModel(parent),
divesDisplayed(0),
curr_dive_site(NULL)
{
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::showDive(const struct dive *d) const
{
// If curr_dive_site is set, we are in a special dive-site editing mode.
if (curr_dive_site)
return d->dive_site == curr_dive_site;
if (!filterData.validFilter)
return true;
if (d->visibility < filterData.minVisibility || d->visibility > filterData.maxVisibility)
return false;
if (d->rating < filterData.minRating || d->rating > filterData.maxRating)
return false;
auto temp_comp = prefs.units.temperature == units::CELSIUS ? C_to_mkelvin : F_to_mkelvin;
if (d->watertemp.mkelvin &&
(d->watertemp.mkelvin < (*temp_comp)(filterData.minWaterTemp) || d->watertemp.mkelvin > (*temp_comp)(filterData.maxWaterTemp)))
return false;
if (d->airtemp.mkelvin &&
(d->airtemp.mkelvin < (*temp_comp)(filterData.minAirTemp) || d->airtemp.mkelvin > (*temp_comp)(filterData.maxAirTemp)))
return false;
QDateTime t = filterData.fromDate;
t.setTime(filterData.fromTime);
if (filterData.fromDate.isValid() && filterData.fromTime.isValid() &&
d->when < t.toMSecsSinceEpoch()/1000 + t.offsetFromUtc())
return false;
t = filterData.toDate;
t.setTime(filterData.toTime);
if (filterData.toDate.isValid() && filterData.toTime.isValid() &&
d->when > t.toMSecsSinceEpoch()/1000 + t.offsetFromUtc())
return false;
// tags.
if (!hasTags(filterData.tags, d))
return false;
// people
if (!hasPersons(filterData.people, d))
return false;
// Location
if (!hasLocations(filterData.location, d))
return false;
if (!hasEquipment(filterData.equipment, d))
return false;
// Planned/Logged
if (!filterData.logged && !has_planned(d, true))
return false;
if (!filterData.planned && !has_planned(d, false))
return false;
return true;
}
bool MultiFilterSortModel::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const
{
QModelIndex index0 = sourceModel()->index(source_row, 0, source_parent);
struct dive *d = sourceModel()->data(index0, DiveTripModelBase::DIVE_ROLE).value<struct dive *>();
// For dives, simply check the hidden_by_filter flag
if (d)
return !d->hidden_by_filter;
// Since this is not a dive, it must be a trip
dive_trip *trip = sourceModel()->data(index0, DiveTripModelBase::TRIP_ROLE).value<dive_trip *>();
if (!trip)
return false; // Oops. Neither dive nor trip, something is seriously wrong.
// Show the trip if any dive is visible
for (int i = 0; i < trip->dives.nr; ++i) {
if (!trip->dives.dives[i]->hidden_by_filter)
return true;
}
return false;
}
void MultiFilterSortModel::filterChanged(const QModelIndex &from, const QModelIndex &to, const QVector<int> &roles)
{
// Only redo the filter if a checkbox changed. If the count of an entry changed,
// we do *not* want to recalculate the filters.
if (roles.contains(Qt::CheckStateRole))
myInvalidate();
}
void MultiFilterSortModel::myInvalidate()
{
int i;
struct dive *d;
divesDisplayed = 0;
// Apply filter for each dive
for_each_dive (i, d) {
bool show = showDive(d);
filter_dive(d, show);
if (show)
divesDisplayed++;
}
invalidateFilter();
// Tell the dive trip model to update the displayed-counts
DiveTripModelBase::instance()->filterFinished();
emit filterFinished();
#if !defined(SUBSURFACE_MOBILE)
if (curr_dive_site)
MainWindow::instance()->diveList->expandAll();
#endif
}
void MultiFilterSortModel::clearFilter()
{
myInvalidate();
}
void MultiFilterSortModel::startFilterDiveSite(struct dive_site *ds)
{
curr_dive_site = ds;
myInvalidate();
}
void MultiFilterSortModel::stopFilterDiveSite()
{
curr_dive_site = NULL;
myInvalidate();
}
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::filterDataChanged(const FilterData &data)
{
filterData = data;
myInvalidate();
}
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