def chooseProjection(self):
"""
Let the user choose a SCR
"""
# crs Dialog parameters
header = "Choose CRS"
sentence = ""
projSelector = QgsProjectionSelectionTreeWidget(self.dlg)
projSelector.setMessage("<h2>%s</h2>%s" % (header.encode('UTF8'), sentence.encode('UTF8')))
if projSelector.exec_():
self.crs = QgsCoordinateReferenceSystem(projSelector.selectedCrsId(), QgsCoordinateReferenceSystem.InternalCrsId)
if len(projSelector.selectedAuthId()) == 0:
QMessageBox.information(
self,
self.tr('Layer Board'),
self.tr("No spatial reference system has been chosen")
)
return
else:
self.dlg.inCrs.clear()
self.dlg.inCrs.setText(self.crs.authid())
else:
return
def on_srsButton_clicked(self):
'''
Opens the dialog to select CRS
'''
projSelector = QgsProjectionSelectionTreeWidget()
message = self.tr('Select the Spatial Reference System!')
projSelector.setMessage(theMessage=message)
if not projSelector.exec_():
QMessageBox.warning(self, self.tr("Warning!"), message)
return
else:
self.epsg = int(projSelector.selectedAuthId().split(':')[-1])
srs = QgsCoordinateReferenceSystem(self.epsg, QgsCoordinateReferenceSystem.EpsgCrsId)
self.srLineEdit.setText(srs.description())
def postgisCrsButtonClicked(self):
dlg = QgsProjectionSelectionTreeWidget(self)
dlg.setMessage('Select Postgis CRS')
dlg.setSelectedAuthId('EPSG:%s' % self.srid.text())
if dlg.exec_():
self.srid.setText(dlg.selectedAuthId().replace('EPSG:', ''))
def geomapfishCrsButtonClicked(self):
dlg = QgsProjectionSelectionTreeWidget(self)
dlg.setMessage('Select GeoMapFish CRS')
dlg.setSelectedAuthId(self.geomapfishCrs.text())
if dlg.exec_():
self.geomapfishCrs.setText(dlg.selectedAuthId())