QGIS/python/plugins/processing/gui/CrsSelectionPanel.py
2016-04-29 14:10:41 +02:00

75 lines
2.4 KiB
Python

# -*- coding: utf-8 -*-
"""
***************************************************************************
CrsSelectionPanel.py
---------------------
Date : August 2012
Copyright : (C) 2012 by Victor Olaya
Email : volayaf at gmail dot com
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************
"""
__author__ = 'Victor Olaya'
__date__ = 'August 2012'
__copyright__ = '(C) 2012, Victor Olaya'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
import os
from qgis.PyQt import uic
from qgis.core import QgsCoordinateReferenceSystem
from qgis.gui import QgsGenericProjectionSelector
pluginPath = os.path.split(os.path.dirname(__file__))[0]
WIDGET, BASE = uic.loadUiType(
os.path.join(pluginPath, 'ui', 'widgetBaseSelector.ui'))
class CrsSelectionPanel(BASE, WIDGET):
def __init__(self, default):
super(CrsSelectionPanel, self).__init__(None)
self.setupUi(self)
self.leText.setEnabled(False)
self.btnSelect.clicked.connect(self.browseCRS)
self.crs = QgsCoordinateReferenceSystem(default).authid()
self.updateText()
def setAuthId(self, authid):
self.crs = authid
self.updateText()
def browseCRS(self):
selector = QgsGenericProjectionSelector()
selector.setSelectedAuthId(self.crs)
if selector.exec_():
authId = selector.selectedAuthId()
if authId.upper().startswith("EPSG:"):
self.crs = authId
else:
proj = QgsCoordinateReferenceSystem()
proj.createFromSrsId(selector.selectedCrsId())
self.crs = proj.toProj4()
self.updateText()
def updateText(self):
if self.crs is not None:
self.leText.setText(self.crs)
def getValue(self):
return self.crs