summaryrefslogtreecommitdiffstats
path: root/qt-models/maplocationmodel.cpp
blob: 4cad06801565da75ffb538fdfc31360722aa5645 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
// SPDX-License-Identifier: GPL-2.0
#include "maplocationmodel.h"
#include "core/divesite.h"
#ifndef SUBSURFACE_MOBILE
#include "qt-models/filtermodels.h"
#endif

#include <QDebug>
#include <algorithm>

const char *MapLocation::PROPERTY_NAME_COORDINATE = "coordinate";
const char *MapLocation::PROPERTY_NAME_DIVESITE   = "divesite";
const char *MapLocation::PROPERTY_NAME_NAME       = "name";

#define MIN_DISTANCE_BETWEEN_DIVE_SITES_M 50.0

MapLocation::MapLocation() : m_ds(nullptr)
{
}

MapLocation::MapLocation(struct dive_site *ds, QGeoCoordinate coord, QString name) :
    m_ds(ds), m_coordinate(coord), m_name(name)
{
}

QVariant MapLocation::getRole(int role) const
{
	switch (role) {
	case Roles::RoleDivesite:
		return QVariant::fromValue((dive_site *)m_ds);
	case Roles::RoleCoordinate:
		return QVariant::fromValue(m_coordinate);
	case Roles::RoleName:
		return QVariant::fromValue(m_name);
	default:
		return QVariant();
	}
}

QGeoCoordinate MapLocation::coordinate()
{
	return m_coordinate;
}

void MapLocation::setCoordinate(QGeoCoordinate coord)
{
	m_coordinate = coord;
	emit coordinateChanged();
}

void MapLocation::setCoordinateNoEmit(QGeoCoordinate coord)
{
	m_coordinate = coord;
}

struct dive_site *MapLocation::divesite()
{
	return m_ds;
}

QVariant MapLocation::divesiteVariant()
{
	return QVariant::fromValue(m_ds);
}

MapLocationModel::MapLocationModel(QObject *parent) : QAbstractListModel(parent)
{
	m_roles[MapLocation::Roles::RoleDivesite] = MapLocation::PROPERTY_NAME_DIVESITE;
	m_roles[MapLocation::Roles::RoleCoordinate] = MapLocation::PROPERTY_NAME_COORDINATE;
	m_roles[MapLocation::Roles::RoleName] = MapLocation::PROPERTY_NAME_NAME;
}

MapLocationModel::~MapLocationModel()
{
	qDeleteAll(m_mapLocations);
}

QVariant MapLocationModel::data(const QModelIndex & index, int role) const
{
	if (index.row() < 0 || index.row() >= m_mapLocations.size())
		return QVariant();

	return m_mapLocations.at(index.row())->getRole(role);
}

QHash<int, QByteArray> MapLocationModel::roleNames() const
{
	return m_roles;
}

int MapLocationModel::rowCount(const QModelIndex&) const
{
	return m_mapLocations.size();
}

int MapLocationModel::count()
{
	return m_mapLocations.size();
}

MapLocation *MapLocationModel::get(int row)
{
	if (row < 0 || row >= m_mapLocations.size())
		return NULL;
	return m_mapLocations.at(row);
}

void MapLocationModel::add(MapLocation *location)
{
	beginInsertRows(QModelIndex(), m_mapLocations.size(), m_mapLocations.size());
	m_mapLocations.append(location);
	endInsertRows();
}

const QVector<dive_site *> &MapLocationModel::selectedDs() const
{
	return m_selectedDs;
}

static bool hasVisibleDive(const dive_site *ds)
{
	return std::any_of(&ds->dives.dives[0], &ds->dives.dives[ds->dives.nr],
			   [] (const dive *d) { return !d->hidden_by_filter; });
}

static bool hasSelectedDive(const dive_site *ds)
{
	return std::any_of(&ds->dives.dives[0], &ds->dives.dives[ds->dives.nr],
			   [] (const dive *d) { return d->selected; });
}

void MapLocationModel::reload()
{
	beginResetModel();

	qDeleteAll(m_mapLocations);
	m_mapLocations.clear();
	m_selectedDs.clear();

	QMap<QString, MapLocation *> locationNameMap;
	MapLocation *location;
	qreal latitude, longitude;

#ifdef SUBSURFACE_MOBILE
	bool diveSiteMode = false;
#else
	// In dive site mode (that is when either editing a dive site or on
	// the dive site tab), we want to show all dive sites, not only those
	// of the non-hidden dives. Moreover, the selected dive sites are those
	// that we filter for.
	bool diveSiteMode = MultiFilterSortModel::instance()->diveSiteMode();
	if (diveSiteMode)
		m_selectedDs = MultiFilterSortModel::instance()->filteredDiveSites();
#endif
	for (int i = 0; i < dive_site_table.nr; ++i) {
		struct dive_site *ds = dive_site_table.dive_sites[i];

		// Don't show dive sites of hidden dives, unless we're in dive site edit mode.
		if (!diveSiteMode && !hasVisibleDive(ds))
			continue;
		if (!dive_site_has_gps_location(ds))
			continue;
		if (!diveSiteMode && hasSelectedDive(ds) && !m_selectedDs.contains(ds))
			m_selectedDs.append(ds);
		latitude = ds->location.lat.udeg * 0.000001;
		longitude = ds->location.lon.udeg * 0.000001;
		QGeoCoordinate dsCoord(latitude, longitude);
		QString name(ds->name);
		if (!diveSiteMode) {
			// don't add dive locations with the same name, unless they are
			// at least MIN_DISTANCE_BETWEEN_DIVE_SITES_M apart
			if (locationNameMap.contains(name)) {
				MapLocation *existingLocation = locationNameMap[name];
				QGeoCoordinate coord = existingLocation->coordinate();
				if (dsCoord.distanceTo(coord) < MIN_DISTANCE_BETWEEN_DIVE_SITES_M)
					continue;
			}
			locationNameMap[name] = location;
		}
		location = new MapLocation(ds, dsCoord, name);
		m_mapLocations.append(location);
	}

	endResetModel();
}

void MapLocationModel::setSelected(struct dive_site *ds, bool fromClick)
{
	m_selectedDs.clear();
	m_selectedDs.append(ds);
	if (fromClick)
		emit selectedLocationChanged(getMapLocation(ds));
}

bool MapLocationModel::isSelected(const QVariant &dsVariant) const
{
	dive_site *ds = dsVariant.value<dive_site *>();
	return ds && m_selectedDs.contains(ds);
}

MapLocation *MapLocationModel::getMapLocation(const struct dive_site *ds)
{
	MapLocation *location;
	foreach(location, m_mapLocations) {
		if (ds == location->divesite())
			return location;
	}
	return NULL;
}

void MapLocationModel::updateMapLocationCoordinates(const struct dive_site *ds, QGeoCoordinate coord)
{
	MapLocation *location;
	int row = 0;
	foreach(location, m_mapLocations) {
		if (ds == location->divesite()) {
			location->setCoordinateNoEmit(coord);
			emit dataChanged(createIndex(row, 0), createIndex(row, 0));
			return;
		}
		row++;
	}
	// should not happen, as this should be called only when editing an existing marker
	qWarning() << "MapLocationModel::updateMapLocationCoordinates(): cannot find MapLocation for uuid:" << (ds ? ds->uuid : 0);
}