def accept(self):
"""Creates and loads the WMS layer."""
self.close()
currentIndex = self.comboBoxLayer.currentIndex()
currentLayerId, unused_dataType = self.comboBoxLayer.itemData(currentIndex)
currentLayerName = unicode(self.comboBoxLayer.currentText())
mapId = self.labelMapId.text()
# Create the WMS layer
token = oauth2_utils.getToken()
url = 'https://mapsengine.google.com/%s-4/wms/%s/'
wmsUrl = url % (mapId, token.access_token)
currentFormatIndex = self.comboBoxFormat.currentIndex()
imageFormat = unicode(self.comboBoxFormat.itemData(currentFormatIndex))
crs = self.comboBoxCrs.currentText()
uri = QgsDataSourceURI()
uri.setParam('url', wmsUrl)
uri.setParam('layers', currentLayerId)
uri.setParam('format', imageFormat)
uri.setParam('crs', crs)
uri.setParam('styles', '')
rlayer = QgsRasterLayer(str(uri.encodedUri()), currentLayerName, 'wms')
if rlayer.isValid():
QgsMapLayerRegistry.instance().addMapLayer(rlayer)
else:
logText = 'Failed to add WMS layer %s with URI %s' % (
currentLayerName, str(uri.encodedUri()))
warnText = 'Failed to add WMS layer %s' % currentLayerName
QgsMessageLog.logMessage(logText, 'GMEConnector', QgsMessageLog.CRITICAL)
self.iface.messageBar().pushMessage(
'Google Maps Engine Connector', warnText,
level=QgsMessageBar.CRITICAL, duration=3)
