def setProvider(self, providerId):
self.serviceProvider = QGeoServiceProvider(providerId)
if self.serviceProvider.error() != QGeoServiceProvider.NoError:
QMessageBox.information(self, self.tr('MapViewer Example'),
self.tr('Unable to dinf the %s geoservices plugin.' % providerId))
qApp.quit()
return
self.mapManager = self.serviceProvider.mappingManager()
self.routingManager = self.serviceProvider.routingManager()
class MainWindow(QMainWindow):
"""docstring for MainWindow"""
def __init__(self, parent=None):
super(MainWindow, self).__init__(parent)
self.serviceProvider = 0
self.popupMenu = None
self.mapControlButtons = []
self.mapControlTypes = []
self.markerObjects = []
self.setWindowTitle(self.tr('Map Viewer Demo'))
self.routingManager = None
self.mapManager = None
self.mapWidget = None
self.markerIcon = None
self.slider = None
manager = QNetworkConfigurationManager()
canStartIAP = manager.capabilities() & QNetworkConfigurationManager.CanStartAndStopInterfaces
configuration = manager.defaultConfiguration()
if not configuration.isValid or (not canStartIAP and configuration.starte() != QNetworkConfiguration.Active):
QMessageBox.information(self, self.tr('Map Viewer Demo'),
self.tr('Available Access Points not found.'))
return
self.session = QNetworkSession(configuration, self)
self.session.opened.connect(self.networkSessionOpened)
self.session.error.connect(self.error)
self.session.open()
self.session.waitForOpened()
self.setProvider('nokia')
self.setupUi()
def networkSessionOpened(self):
pass
def sliderValueChanged(self, value):
self.mapWidget.setZoomLevel(value)
def mapZoomLevelChanged(self, level):
self.slider.setSliderPosition(int(level))
def mapTypeChanged(self, newType):
index = self.mapControlTypes.index(newType)
if index != -1:
self.mapControButtons[index].setChecked(True)
def mapTypeToggled(self, checked):
if checked:
button = self.sender()
index = self.mapControlButtons.index(button)
if index != -1:
print index, self.mapControlTypes[index]
self.mapWidget.setMapType(self.mapControlTypes[index])
def updateCoords(self, coords):
if not coords.isValid():
return
self.latitudeEdit.setText('%f' % coords.latitude())
self.longitudeEdit.setText('%f' % coords.longitude())
def setCoordsClicked(self):
lat = float(self.latitudeEdit.text())
lon = float(self.longitudeEdit.text())
self.mapWidget.setCenter(QGeoCoordinate(lat, lon))
def setProvider(self, providerId):
self.serviceProvider = QGeoServiceProvider(providerId)
if self.serviceProvider.error() != QGeoServiceProvider.NoError:
QMessageBox.information(self, self.tr('MapViewer Example'),
self.tr('Unable to dinf the %s geoservices plugin.' % providerId))
qApp.quit()
return
self.mapManager = self.serviceProvider.mappingManager()
self.routingManager = self.serviceProvider.routingManager()
def error(self, error):
if error == QNetworkSession.UnknownSessionError:
msgBox = QMessageBox(self.parent())
msgBox.setText('This application requires network access to function.')
msgBox.setInformativeText('Press Cancel to quit the application.')
msgBox.setStandardButtons(QMessageBox.Retry | QMessageBox.Cancel)
msgBox.setIcon(QMessageBox.Information)
msgBox.setDefaultButton(QMessageBox.Retry)
ret = msgBox.exec_()
if ret == QMessageBox.Retry:
QTimer.singleShot(0, self.session.open)
elif ret == QMessageBox.Cancel:
self.close()
elif error == QNetworkSession.SessionAbortedError:
msgBox = QMessageBox(self.parent())
msgBox.setText('Out of range of network')
msgBox.setInformativeText('Move back into range and press Retry, or press Cancel to quit the application')
msgBox.setStandardButtons(QMessageBox.Retry | QMessageBox.Cancel)
msgBox.setIcon(QMessageBox.Information)
msgBox.setDefaultButton(QMessageBox.Retry)
ret = msgBox.exec_()
if ret == QMessageBox.Retry:
QTimer.singleShot(0, self.session.open)
elif ret == QMessageBox.Cancel:
self.close()
def setupUi(self):
scene = QGraphicsScene(self)
self.view = QGraphicsView(scene, self)
self.view.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.view.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.view.setVisible(True)
self.view.setInteractive(True)
self.createPixmapIcon()
self.mapWidget = MapWidget(self.mapManager)
scene.addItem(self.mapWidget)
self.mapWidget.setCenter(QGeoCoordinate(-8.1, -34.95))
self.mapWidget.setZoomLevel(5)
#...
self.slider = QSlider(Qt.Vertical, self)
self.slider.setTickInterval(1)
self.slider.setTickPosition(QSlider.TicksBothSides)
self.slider.setMaximum(self.mapManager.maximumZoomLevel())
self.slider.setMinimum(self.mapManager.minimumZoomLevel())
self.slider.valueChanged[int].connect(self.sliderValueChanged)
self.mapWidget.zoomLevelChanged[float].connect(self.mapZoomLevelChanged)
mapControlLayout = QVBoxLayout()
self.mapWidget.mapTypeChanged.connect(self.mapTypeChanged)
for mapType in self.mapWidget.supportedMapTypes():
radio = QRadioButton(self)
if mapType == QGraphicsGeoMap.StreetMap:
radio.setText('Street')
elif mapType == QGraphicsGeoMap.SatelliteMapDay:
radio.setText('Sattelite')
elif mapType == QGraphicsGeoMap.SatelliteMapNight:
radio.setText('Sattelite - Night')
elif mapType == QGraphicsGeoMap.TerrainMap:
radio.setText('Terrain')
if mapType == self.mapWidget.mapType():
radio.setChecked(True)
radio.toggled[bool].connect(self.mapTypeToggled)
self.mapControlButtons.append(radio)
self.mapControlTypes.append(mapType)
mapControlLayout.addWidget(radio)
self.latitudeEdit = QLineEdit()
self.longitudeEdit = QLineEdit()
formLayout = QFormLayout()
formLayout.addRow('Latitude', self.latitudeEdit)
formLayout.addRow('Longitude', self.longitudeEdit)
self.captureCoordsButton = QToolButton()
self.captureCoordsButton.setText('Capture coordinates')
self.captureCoordsButton.setCheckable(True)
self.captureCoordsButton.toggled[bool].connect(
self.mapWidget.setMouseClickCoordQuery)
self.mapWidget.coordQueryResult.connect(self.updateCoords)
self.setCoordsButton = QPushButton()
self.setCoordsButton.setText('Set coordinates')
self.setCoordsButton.clicked.connect(self.setCoordsClicked)
buttonLayout = QHBoxLayout()
buttonLayout.addWidget(self.captureCoordsButton)
buttonLayout.addWidget(self.setCoordsButton)
coordControlLayout = QVBoxLayout()
coordControlLayout.addLayout(formLayout)
coordControlLayout.addLayout(buttonLayout)
widget = QWidget(self)
layout = QGridLayout()
layout.setRowStretch(0, 1)
layout.setRowStretch(1, 0)
topLayout = QGridLayout()
bottomLayout = QGridLayout()
topLayout.setColumnStretch(0, 0)
topLayout.setColumnStretch(1, 1)
bottomLayout.setColumnStretch(0, 0)
bottomLayout.setColumnStretch(1, 1)
topLayout.addWidget(self.slider, 0, 0)
topLayout.addWidget(self.view, 0, 1)
bottomLayout.addLayout(mapControlLayout, 0, 0)
bottomLayout.addLayout(coordControlLayout, 0, 1)
layout.addLayout(topLayout, 0, 0)
layout.addLayout(bottomLayout, 1, 0)
self.layout = layout
widget.setLayout(layout)
self.setCentralWidget(widget)
self.view.setContextMenuPolicy(Qt.CustomContextMenu)
self.view.customContextMenuRequested.connect(self.customContextMenuRequest)
def createPixmapIcon(self):
self.markerIcon = QPixmap(MARKER_WIDTH, MARKER_HEIGHT)
self.markerIcon.fill(Qt.transparent)
painter = QPainter(self.markerIcon)
p1 = QPoint(MARKER_WIDTH / 2, MARKER_HEIGHT - 1)
p2 = QPoint(MARKER_WIDTH / 2, MARKER_HEIGHT - 1 - MARKER_PIN_LEN)
pen = QPen(Qt.black)
pen.setWidth(2)
pen.setCosmetic(True)
painter.setPen(pen)
painter.drawLine(p1, p2)
ellipse = QRect(0, 0, MARKER_WIDTH - 1, MARKER_HEIGHT - 1)
pen.setWidth(1)
painter.setPen(pen)
color = QColor(Qt.green)
color.setAlpha(127)
brush = QBrush(color)
painter.setBrush(brush)
painter.drawEllipse(ellipse)
def resizeEvent(self, event):
self.view.setSceneRect(QRectF(QPointF(0.0, 0.0), self.view.size()))
self.mapWidget.resize(self.view.size())
def showEvent(self, event):
self.view.setSceneRect(QRectF(QPointF(0.0, 0.0), self.view.size()))
self.mapWidget.resize(self.view.size())
def createMenus(self):
self.popupMenu = QMenu(self)
# Markers
subMenuItem = QMenu(self.tr('Marker'), self)
self.popupMenu.addMenu(subMenuItem)
menuItem = QAction(self.tr('Set marker'), self)
subMenuItem.addAction(menuItem)
menuItem.triggered[bool].connect(self.drawPixmap)
menuItem = QAction(self.tr('Remove marker'), self)
subMenuItem.addAction(menuItem)
menuItem.triggered[bool].connect(self.removePixmaps)
menuItem = QAction(self.tr('Select objects'), self)
subMenuItem.addAction(menuItem)
menuItem.triggered[bool].connect(self.selectObjects)
# Draw
subMenuItem = QMenu(self.tr('Draw'), self)
self.popupMenu.addMenu(subMenuItem)
menuItem = QAction(self.tr('Rectangle'), self)
subMenuItem.addAction(menuItem)
menuItem.triggered[bool].connect(self.drawRect)
menuItem = QAction(self.tr('Polyline'), self)
subMenuItem.addAction(menuItem)
menuItem.triggered[bool].connect(self.drawPolyline)
menuItem = QAction(self.tr('Polygon'), self)
subMenuItem.addAction(menuItem)
menuItem.triggered[bool].connect(self.drawPolygon)
menuItem = QAction(self.tr('Circle'), self)
subMenuItem.addAction(menuItem)
menuItem.triggered[bool].connect(self.drawCircle)
menuItem = QAction(self.tr('Text'), self)
subMenuItem.addAction(menuItem)
menuItem.triggered[bool].connect(self.drawText)
# Routing
subMenuItem = QMenu(self.tr('Route'), self)
self.popupMenu.addMenu(subMenuItem)
menuItem = QAction(self.tr('Calculate route'), self)
subMenuItem.addAction(menuItem)
menuItem.triggered[bool].connect(self.calculateRoute)
def selectObjects(self):
for obj in self.mapWidget.mapObjects():
obj.setSelected(False)
if len(self.markerObjects) < 2:
return
bottomRight = self.markerObjects.pop()
topLeft = self.markerObjects.pop()
self.mapWidget.removeMapObject(topLeft)
self.mapWidget.removeMapObject(bottomRight)
selectedObjects = self.mapWidget.mapObjectsInScreenRect(
QRectF(self.mapWidget.coordinateToScreenPosition(topLeft.coordinate()),
self.mapWidget.coordinateToScreenPosition(bottomRight.coordinate()))
)
for obj in selectedObjects:
obj.setSelected(True)
def drawRect(self):
if len(self.markerObjects) < 2:
return
p1, p2 = self.markerObjects[:2]
pen = QPen(Qt.white)
pen.setWidth(2)
pen.setCosmetic(True)
fill = QColor(Qt.black)
fill.setAlpha(65)
rectangle = QGeoMapRectangleObject(p1.coordinate(), p2.coordinate())
rectangle.setPen(pen)
rectangle.setBrush(QBrush(fill))
self.mapWidget.addMapObject(rectangle)
def drawPolyline(self):
path = [mark.coordinate() for mark in self.markerObjects]
pen = QPen(Qt.white)
pen.setWidth(2)
pen.setCosmetic(True)
polyline = QGeoMapPolylineObject()
polyline.setPen(pen)
polyline.setPath(path)
self.mapWidget.addMapObject(polyline)
def drawPolygon(self):
path = [mark.coordinate() for mark in self.markerObjects]
pen = QPen(Qt.white)
pen.setWidth(2)
pen.setCosmetic(True)
polygon = QGeoMapPolygonObject()
polygon.setPen(pen)
fill = QColor(Qt.black)
fill.setAlpha(65)
polygon.setBrush(QBrush(fill))
polygon.setPath(path)
self.mapWidget.addMapObject(polygon)
def drawCircle(self):
if not len(self.markerObjects):
return
p1 = self.markerObjects[0]
center = p1.coordinate()
radius = 3000 # Meters
if len(self.markerObjects) >= 2:
radius = center.distanceTo(self.markerObjects[1].coordinate())
pen = QPen(Qt.white)
pen.setWidth(2)
pen.setCosmetic(True)
circle = QGeoMapCircleObject(center, radius)
circle.setPen(pen)
fill = QColor(Qt.black)
fill.setAlpha(65)
circle.setBrush(QBrush(fill))
self.mapWidget.addMapObject(circle)
def drawText(self):
if not len(self.markerObjects):
return
start = self.markerObjects[0].coordinate()
text = QGeoMapTextObject(start, 'Text')
fill = QColor(Qt.black)
text.setBrush(fill)
self.mapWidget.addMapObject(text)
def calculateRoute(self):
if len(self.markerObjects) < 2:
return
waypoints = [x.coordinate() for x in self.markerObjects[:2]]
request = QGeoRouteRequest(waypoints)
self.routeReply = self.routingManager.calculateRoute(request)
self.routeReply.finished.connect(self.routeFinished)
def routeFinished(self):
if not self.routeReply.routes():
return
route = QGeoMapRouteObject(self.routeReply.routes()[0])
routeColor = QColor(Qt.blue)
routeColor.setAlpha(127)
pen = QPen(routeColor)
pen.setWidth(7)
pen.setCosmetic(True)
pen.setCapStyle(Qt.RoundCap)
route.setPen(pen)
self.mapWidget.addMapObject(route)
def drawPixmap(self):
marker = QGeoMapPixmapObject(self.mapWidget.screenPositionToCoordinate(self.lastClicked),
QPoint(-(MARKER_WIDTH / 2), -MARKER_HEIGHT), self.markerIcon)
self.mapWidget.addMapObject(marker)
self.markerObjects.append(marker)
def removePixmaps(self):
for i in range(len(self.markerObjects)):
marker = self.markerObjects.pop()
self.mapWidget.removeMapObject(marker)
marker.deleteLater()
def customContextMenuRequest(self, point):
self.lastClicked = point
if self.focusWidget() == self.view:
if not self.popupMenu:
self.createMenus()
self.popupMenu.popup(self.view.mapToGlobal(self.lastClicked))
