source: flair-src/trunk/tools/FlairGCS/src/Map.cpp @ 15

Last change on this file since 15 was 15, checked in by Bayard Gildas, 5 years ago

sources reformatted with flair-format-dir script

File size: 9.5 KB
Line 
1// %flair:license{
2// This file is part of the Flair framework distributed under the
3// CECILL-C License, Version 1.0.
4// %flair:license}
5#include "Map.h"
6#include "Landmark.h"
7#include "Layout.h"
8#include "mapwidget.h"
9#include <QNetworkProxy>
10#include <QFormLayout>
11#include <QInputDialog>
12#include <QtGlobal>
13#include <QMenu>
14#include <QGeoMappingManager>
15#include <QGeoServiceProvider>
16#include <QComboBox>
17#include <QToolButton>
18#include <QCoreApplication>
19#include <qendian.h>
20
21using namespace QtMobility;
22
23Map::Map(Layout *parent, int row, int col, QString name,
24         QList<QGeoCoordinate> coordinates, bool enabled, int period)
25    : DataRemote(name, "Map", parent, enabled, period) {
26  visible_widget = new QWidget();
27  visible_widget->setObjectName(name);
28  centeredpoint = 0;
29
30  mapTypes[QGraphicsGeoMap::StreetMap] = tr("Street map");
31  mapTypes[QGraphicsGeoMap::SatelliteMapDay] = tr("Satellite map (day)");
32  mapTypes[QGraphicsGeoMap::SatelliteMapNight] = tr("Satellite map (night)");
33  mapTypes[QGraphicsGeoMap::TerrainMap] = tr("Terrain map");
34
35  mapWidget = new MapWidget(this, visible_widget);
36  geoMap = 0;
37
38  QVBoxLayout *map_layout = new QVBoxLayout();
39  parent->getQGridLayout()->addLayout(map_layout, row, col);
40  QHBoxLayout *tool_layout = new QHBoxLayout();
41  map_layout->addLayout(tool_layout, 0);
42
43  QFormLayout *servicelayout = new QFormLayout();
44  serviceCombo = new QComboBox(visible_widget);
45  servicelayout->addRow("service: ", serviceCombo);
46  QFormLayout *maplayout = new QFormLayout();
47  mapTypeCombo = new QComboBox(visible_widget);
48  maplayout->addRow("map type: ", mapTypeCombo);
49  QFormLayout *proxylayout = new QFormLayout();
50  proxyCombo = new QComboBox(visible_widget);
51  proxylayout->addRow("proxy: ", proxyCombo);
52
53  if (findServices()) {
54    tool_layout->addLayout(servicelayout, 0);
55    tool_layout->addLayout(maplayout, 1);
56    tool_layout->addLayout(proxylayout, 2);
57
58    zoomin = new QToolButton(visible_widget);
59    zoomout = new QToolButton(visible_widget);
60    zoomInAction =
61        new QAction(QIcon(QPixmap(":zoomin.png")), tr("Zoom &In"), zoomin);
62    zoomOutAction =
63        new QAction(QIcon(QPixmap(":zoomout.png")), tr("Zoom &Out"), zoomout);
64    zoomin->setDefaultAction(zoomInAction);
65    zoomout->setDefaultAction(zoomOutAction);
66    tool_layout->addWidget(zoomin, 3);
67    tool_layout->addWidget(zoomout, 4);
68    connect(zoomInAction, SIGNAL(triggered()), this, SLOT(zoomIn()));
69    connect(zoomOutAction, SIGNAL(triggered()), this, SLOT(zoomOut()));
70
71    selectService(0);
72
73    findproxy();
74
75    connect(serviceCombo, SIGNAL(currentIndexChanged(int)), this,
76            SLOT(selectService(int)));
77    connect(mapTypeCombo, SIGNAL(currentIndexChanged(int)), this,
78            SLOT(changeMapType(int)));
79    connect(proxyCombo, SIGNAL(currentIndexChanged(int)), this,
80            SLOT(changeproxy(int)));
81  } else {
82    printf("Error, no services!\n");
83    mapWidget->setEnabled(false);
84  }
85
86  map_layout->addWidget(mapWidget, 1);
87  for (int i = 0; i < coordinates.size(); i++) {
88    mapWidget->AddLandmark((QGeoCoordinate &)coordinates.at(i));
89  }
90}
91
92Map::~Map() {}
93
94bool Map::findServices(void) {
95  QCoreApplication::addLibraryPath(qgetenv("OECORE_HOST_SYSROOT") +
96                                   "/usr/lib/qt4/");
97
98  QStringList services = QGeoServiceProvider::availableServiceProviders();
99
100  if (services.isEmpty()) {
101    QGraphicsTextItem *item = mapWidget->scene()->addText(
102        tr("Failed to find any map services. Please ensure that "
103           "the location services plugins for Qt Mobility are "
104           "installed and, if necessary, set the IGEP_ROOT "
105           "environment variable to the good location."));
106
107    item->setTextWidth(300);
108
109    return false;
110  }
111
112  QMap<QString, QVariant> parameters;
113
114  foreach (QString name, services) {
115
116    parameters["mapping.cache.directory"] = name;
117    parameters["mapping.cache.size"] = QString("500000000");
118
119    QGeoServiceProvider *service = new QGeoServiceProvider(name, parameters);
120
121    if (service->error() != QGeoServiceProvider::NoError) {
122      delete service;
123      continue;
124    }
125
126    QGeoMappingManager *manager = service->mappingManager();
127
128    if (manager) {
129      serviceCombo->addItem(name);
130      managers.append(manager);
131    }
132  }
133
134  return true;
135}
136
137void Map::selectService(int item) {
138  QString name = serviceCombo->currentText();
139
140  QGeoCoordinate coordinate = QGeoCoordinate(0, 0);
141  QGraphicsGeoMap::MapType mapType = QGraphicsGeoMap::StreetMap;
142  int zoomLevel = 1;
143
144  if (geoMap) {
145    coordinate = geoMap->center();
146    mapType = geoMap->mapType();
147    zoomLevel = geoMap->zoomLevel();
148
149    mapWidget->RemoveLandmarks();
150    RemovePoints();
151    geoMap->deleteLater();
152  }
153
154  manager = managers[item];
155  geoMap = new QGraphicsGeoMap(manager);
156
157  mapWidget->AddLandmarks(geoMap);
158  AddPoints(geoMap);
159  geoMap->setCenter(coordinate);
160  geoMap->setMapType(mapType);
161
162  populateMapTypeCombo();
163  updateZoom(zoomLevel);
164
165  mapWidget->setMap(geoMap);
166  connect(geoMap, SIGNAL(zoomLevelChanged(qreal)), this,
167          SLOT(updateZoom(qreal)));
168}
169
170void Map::changeMapType(int index) {
171  geoMap->setMapType(
172      QGraphicsGeoMap::MapType(mapTypeCombo->itemData(index).toInt()));
173}
174
175void Map::populateMapTypeCombo(void) {
176  mapTypeCombo->clear();
177
178  foreach (QGraphicsGeoMap::MapType mapType, geoMap->supportedMapTypes()) {
179    if (mapTypes.contains(mapType))
180      mapTypeCombo->addItem(mapTypes[mapType], QVariant(mapType));
181  }
182
183  if (mapTypeCombo->count() > 0)
184    geoMap->setMapType(
185        QGraphicsGeoMap::MapType(mapTypeCombo->itemData(0).toInt()));
186}
187
188void Map::zoomIn(void) { updateZoom(geoMap->zoomLevel() + 1); }
189
190void Map::zoomOut(void) { updateZoom(geoMap->zoomLevel() - 1); }
191
192void Map::updateZoom(qreal value) {
193  value =
194      qBound(manager->minimumZoomLevel(), value, manager->maximumZoomLevel());
195
196  geoMap->setZoomLevel(value);
197  zoomin->setEnabled(geoMap->zoomLevel() < manager->maximumZoomLevel());
198  zoomout->setEnabled(geoMap->zoomLevel() > manager->minimumZoomLevel());
199}
200
201void Map::findproxy(void) {
202  proxyCombo->addItem("none");
203  proxyCombo->addItem("new");
204  proxyCombo->addItem("proxyweb.utc.fr:3128");
205}
206
207void Map::changeproxy(int index) {
208  if (index == 0) {
209    QNetworkProxy proxy;
210    proxy.setType(QNetworkProxy::NoProxy);
211    QNetworkProxy::setApplicationProxy(proxy);
212  } else if (index == 1) {
213    bool ok;
214    QString text =
215        QInputDialog::getText(visible_widget, tr("New proxy:"), tr("proxy: "),
216                              QLineEdit::Normal, "adress:port", &ok);
217    if (ok == true) {
218      proxyCombo->addItem(text);
219      proxyCombo->setCurrentIndex(proxyCombo->count() - 1);
220    }
221  } else {
222    QStringList string = proxyCombo->itemText(index).split(":");
223    QNetworkProxy proxy;
224    proxy.setType(QNetworkProxy::HttpProxy);
225    proxy.setHostName(string.at(0));
226    proxy.setPort(string.at(1).toInt());
227    QNetworkProxy::setApplicationProxy(proxy);
228    updateZoom(geoMap->zoomLevel()); // refresh
229  }
230}
231
232void Map::SetUptodate(void) {
233  QList<Landmark *> *landmarks = mapWidget->Landmarks();
234  for (int i = 0; i < landmarks->count(); i++) {
235    RemoveAttribute("lat" + QString::number(i));
236    RemoveAttribute("long" + QString::number(i));
237
238    if (mapWidget->LandmarkToSend(i)) {
239      SetAttribute("lat" + QString::number(i),
240                   landmarks->at(i)->coordinate().latitude());
241      SetAttribute("long" + QString::number(i),
242                   landmarks->at(i)->coordinate().longitude());
243    }
244  }
245
246  mapWidget->SetUptodate();
247}
248
249bool Map::IsUptodate(void) { return mapWidget->IsUptodate(); }
250
251void Map::Reset(void) { mapWidget->Reset(); }
252
253void Map::setCenteredPoint(int i) {
254  centeredpoint = i;
255  if (isCentered())
256    geoMap->setCenter(points.at(i)->coordinate());
257}
258
259int Map::centeredPoint(void) { return centeredpoint; }
260
261bool Map::isCentered(void) {
262  if (centeredpoint != -1) {
263    return true;
264  } else {
265    return false;
266  }
267}
268
269void Map::XmlEvent(QDomElement dom) {
270  if (dom.attribute("point") != "") {
271    receivesize += 3 * sizeof(double);
272    if (mapWidget->isEnabled()) {
273      Landmark *landmark = new Landmark(geoMap, QGeoCoordinate(0, 0, 0),
274                                        dom.attribute("point"), "cross");
275      landmark->setColor(Qt::black);
276      points.append(landmark);
277      mapWidget->AddPoint(dom.attribute("point"));
278    }
279  } else {
280    XmlSetup(dom);
281  }
282}
283
284void Map::BufEvent(char **buf, int *buf_size, uint16_t period,
285                   bool big_endian) {
286  if (IsEnabled() == false || RefreshRate_ms() != period)
287    return;
288
289  for (int i = 0; i < points.count(); i++) {
290    qint64 lat_raw;
291    double *lat = (double *)&lat_raw;
292    qint64 longitude_raw;
293    double *longitude = (double *)&longitude_raw;
294    qint64 alt_raw;
295    double *alt = (double *)&alt_raw;
296
297    memcpy(&lat_raw, *buf, sizeof(qint64));
298    *buf += sizeof(qint64);
299    memcpy(&longitude_raw, *buf, sizeof(qint64));
300    *buf += sizeof(qint64);
301    memcpy(&alt_raw, *buf, sizeof(qint64));
302    *buf += sizeof(qint64);
303    if (big_endian == true)
304      lat_raw = qFromBigEndian(lat_raw);
305    if (big_endian == true)
306      longitude_raw = qFromBigEndian(longitude_raw);
307    if (big_endian == true)
308      alt_raw = qFromBigEndian(alt_raw);
309    points.at(i)->setCoordinate(QGeoCoordinate(*lat, *longitude, *alt));
310
311    if (i == centeredpoint)
312      geoMap->setCenter(points.at(i)->coordinate());
313  }
314}
315
316void Map::RemovePoints(void) {
317  for (int i = 0; i < points.count(); i++) {
318    points.at(i)->RemoveLandmark();
319  }
320}
321
322void Map::AddPoints(QGraphicsGeoMap *geoMap) {
323  for (int i = 0; i < points.count(); i++) {
324    points.at(i)->AddLandmark(geoMap);
325  }
326}
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