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Adding projection information (prj-file) no longer throws an error if…
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… folder has cyrillics. Fixes #2501.

git-svn-id: http://svn.osgeo.org/qgis/trunk@13025 c8812cc2-4d05-0410-92ff-de0c093fc19c
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cfarmer committed Mar 8, 2010
1 parent c902101 commit 4fa5e8f
Showing 1 changed file with 108 additions and 124 deletions.
232 changes: 108 additions & 124 deletions python/plugins/fTools/tools/doDefineProj.py
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Expand Up @@ -4,137 +4,121 @@

from qgis.core import *
from qgis.gui import *

import ftools_utils
from ui_frmReProject import Ui_Dialog

class Dialog(QDialog, Ui_Dialog):
def __init__(self, iface):
QDialog.__init__(self)
self.iface = iface
self.setupUi(self)
self.toolOut.setEnabled(False)
self.toolOut.setVisible(False)
self.outShape.setEnabled(False)
self.outShape.setVisible(False)
self.label_2.setVisible(False)
self.label_2.setEnabled(False)
self.setWindowTitle(self.tr("Define current projection"))
QObject.connect(self.btnProjection, SIGNAL("clicked()"), self.outProjFile)
QObject.connect(self.inShape, SIGNAL("currentIndexChanged(QString)"), self.updateProj1)
QObject.connect(self.cmbLayer, SIGNAL("currentIndexChanged(QString)"), self.updateProj2)
# populate layer list
self.progressBar.setValue(0)
mapCanvas = self.iface.mapCanvas()
for i in range(mapCanvas.layerCount()):
layer = mapCanvas.layer(i)
if layer.type() == layer.VectorLayer:
self.inShape.addItem(layer.name())
self.cmbLayer.addItem(layer.name())

def updateProj1(self, layerName):
tempLayer = self.getVectorLayerByName(layerName)
crs = tempLayer.dataProvider().crs().toProj4()
self.inRef.insert(unicode(crs))
def __init__(self, iface):
QDialog.__init__(self)
self.iface = iface
self.setupUi(self)
self.toolOut.setEnabled(False)
self.toolOut.setVisible(False)
self.outShape.setEnabled(False)
self.outShape.setVisible(False)
self.label_2.setVisible(False)
self.label_2.setEnabled(False)
self.setWindowTitle(self.tr("Define current projection"))
QObject.connect(self.btnProjection, SIGNAL("clicked()"), self.outProjFile)
QObject.connect(self.inShape, SIGNAL("currentIndexChanged(QString)"), self.updateProj1)
QObject.connect(self.cmbLayer, SIGNAL("currentIndexChanged(QString)"), self.updateProj2)
# populate layer list
self.progressBar.setValue(0)
mapCanvas = self.iface.mapCanvas()
layers = ftools_utils.getLayerNames([QGis.Point, QGis.Line, QGis.Polygon])
self.inShape.addItems(layers)
self.cmbLayer.addItems(layers)

def updateProj2(self, layerName):
tempLayer = self.getVectorLayerByName(layerName)
crs = tempLayer.dataProvider().crs().toProj4()
self.outRef.insert(unicode(crs))
def updateProj1(self, layerName):
tempLayer = ftools_utils.getVectorLayerByName(layerName)
crs = tempLayer.dataProvider().crs().toProj4()
self.inRef.insert(unicode(crs))

def accept(self):
if self.inShape.currentText() == "":
QMessageBox.information(self, self.tr("Define current projection"), self.tr("No input shapefile specified"))
elif self.txtProjection.text() == "" and self.rdoProjection.isChecked():
QMessageBox.information(self, self.tr("Define current projection"), self.tr("Please specify spatial reference system"))
elif self.cmbLayer.currentText() == "" and self.rdoLayer.isChecked():
QMessageBox.information(self, self.tr("Define current projection"), self.tr("Please specify spatial reference system"))
else:
self.progressBar.setValue(5)
inName = self.inShape.currentText()
self.progressBar.setValue(10)
vLayer = self.getVectorLayerByName(inName)
self.progressBar.setValue(30)
if vLayer == "Error":
QMessageBox.information(self, self.tr("Define current projection"), self.tr("Cannot define projection for PostGIS data...yet!"))
else:
srsDefine = QgsCoordinateReferenceSystem()
if self.rdoProjection.isChecked():
outProj = self.txtProjection.text()
srsDefine.createFromProj4(outProj)
else:
destLayer = self.getVectorLayerByName(self.cmbLayer.currentText())
srsDefine = destLayer.srs()
if srsDefine == vLayer.srs():
QMessageBox.information(self, self.tr("Define current projection"), self.tr("Identical output spatial reference system chosen"))
else:
provider = vLayer.dataProvider()
self.progressBar.setValue(35)
inPath = provider.dataSourceUri()
inPath = inPath.remove( QRegExp( "\|.*" ) )
self.progressBar.setValue(40)
if inPath.endsWith(".shp"):
inPath = inPath.left(inPath.length() - 4)
self.progressBar.setValue(55)
if not srsDefine.isValid():
QMessageBox.information(self, self.tr("Define current projection"), self.tr("Output spatial reference system is not valid"))
else:
self.progressBar.setValue(60)
outputWkt = srsDefine.toWkt()
self.progressBar.setValue(65)
outputPrj = open(inPath + ".prj", "w")
self.progressBar.setValue(70)
outputPrj.write(outputWkt)
self.progressBar.setValue(75)
outputPrj.close()
mLayer = self.getMapLayerByName(inName)
self.progressBar.setValue(90)
if not mLayer.isValid():
QMessageBox.information(self, self.tr("Define current projection"), self.tr("Unable to dynamically define projection.\nPlease reload layer manually for projection definition to take effect."))
else:
self.progressBar.setValue(95)
mLayer.setCrs(srsDefine)
self.progressBar.setValue(100)
QMessageBox.information(self, self.tr("Define current projection"), self.tr("Defined Projection For:\n%1.shp").arg( inPath ) )
self.progressBar.setValue(0)
def updateProj2(self, layerName):
tempLayer = ftools_utils.getVectorLayerByName(layerName)
crs = tempLayer.dataProvider().crs().toProj4()
self.outRef.insert(unicode(crs))

def outProjFile(self):
format = QString( "<h2>%1</h2>%2 <br/> %3" )
header = QString( "Define layer CRS:" )
sentence1 = self.tr( "Please select the projection system that defines the current layer." )
sentence2 = self.tr( "Layer CRS information will be updated to the selected CRS." )
self.projSelect = QgsGenericProjectionSelector(self, Qt.Widget)
self.projSelect.setMessage( format.arg( header ).arg( sentence1 ).arg( sentence2 ))
if self.projSelect.exec_():
projString = self.projSelect.selectedProj4String()
if projString == "":
QMessageBox.information(self, self.tr("Export to new projection"), self.tr("No Valid CRS selected"))
return
else:
self.txtProjection.clear()
self.txtProjection.insert(projString)
else:
return
def accept(self):
if self.inShape.currentText() == "":
QMessageBox.information(self, self.tr("Define current projection"), self.tr("No input shapefile specified"))
elif self.txtProjection.text() == "" and self.rdoProjection.isChecked():
QMessageBox.information(self, self.tr("Define current projection"), self.tr("Please specify spatial reference system"))
elif self.cmbLayer.currentText() == "" and self.rdoLayer.isChecked():
QMessageBox.information(self, self.tr("Define current projection"), self.tr("Please specify spatial reference system"))
else:
self.progressBar.setValue(5)
inName = self.inShape.currentText()
self.progressBar.setValue(10)
vLayer = ftools_utils.getVectorLayerByName(inName)
self.progressBar.setValue(30)
if vLayer == "Error":
QMessageBox.information(self, self.tr("Define current projection"), self.tr("Cannot define projection for PostGIS data...yet!"))
else:
srsDefine = QgsCoordinateReferenceSystem()
if self.rdoProjection.isChecked():
outProj = self.txtProjection.text()
srsDefine.createFromProj4(outProj)
else:
destLayer = self.getVectorLayerByName(self.cmbLayer.currentText())
srsDefine = destLayer.srs()
if srsDefine == vLayer.srs():
QMessageBox.information(self, self.tr("Define current projection"), self.tr("Identical output spatial reference system chosen"))
else:
provider = vLayer.dataProvider()
self.progressBar.setValue(35)
inPath = provider.dataSourceUri()
inPath = inPath.remove( QRegExp( "\|.*" ) )
self.progressBar.setValue(40)
if inPath.endsWith(".shp"):
inPath = inPath.left(inPath.length() - 4)
self.progressBar.setValue(55)
if not srsDefine.isValid():
QMessageBox.information(self, self.tr("Define current projection"), self.tr("Output spatial reference system is not valid"))
else:
self.progressBar.setValue(60)
outputWkt = srsDefine.toWkt()
self.progressBar.setValue(65)
outputPrj = open(unicode("%s.prj" % inPath), "w")
self.progressBar.setValue(70)
outputPrj.write(outputWkt)
self.progressBar.setValue(75)
outputPrj.close()
#mLayer = self.getMapLayerByName(inName)
#self.progressBar.setValue(90)
#if not mLayer.isValid():
#QMessageBox.information(self, self.tr("Define current projection"), self.tr("Unable to dynamically define projection.\nPlease reload layer manually for projection definition to take effect."))
#else:
self.progressBar.setValue(95)
vLayer.setCrs(srsDefine)
self.progressBar.setValue(100)
QMessageBox.information(self, self.tr("Define current projection"), self.tr("Defined Projection For:\n%1.shp").arg( inPath ) )
self.progressBar.setValue(0)

# Gets vector layer by layername in canvas
def getVectorLayerByName(self, myName):
mc = self.iface.mapCanvas()
nLayers = mc.layerCount()
for l in range(nLayers):
layer = mc.layer(l)
if layer.name() == unicode(myName,'latin1'):
if unicode(layer.dataProvider().name()) == "postgres":
return "Error"
else:
vlayer = QgsVectorLayer(unicode(layer.source()), unicode(myName), unicode(layer.dataProvider().name()))
if vlayer.isValid():
return vlayer
def outProjFile(self):
format = QString( "<h2>%1</h2>%2 <br/> %3" )
header = QString( "Define layer CRS:" )
sentence1 = self.tr( "Please select the projection system that defines the current layer." )
sentence2 = self.tr( "Layer CRS information will be updated to the selected CRS." )
self.projSelect = QgsGenericProjectionSelector(self, Qt.Widget)
self.projSelect.setMessage( format.arg( header ).arg( sentence1 ).arg( sentence2 ))
if self.projSelect.exec_():
projString = self.projSelect.selectedProj4String()
if projString == "":
QMessageBox.information(self, self.tr("Export to new projection"), self.tr("No Valid CRS selected"))
return
else:
self.txtProjection.clear()
self.txtProjection.insert(projString)
else:
return

#Gets map layer by layername in canvas
#Return: QgsMapLayer
def getMapLayerByName(self,myName):
mc = self.iface.mapCanvas()
nLayers = mc.layerCount()
for l in range(nLayers):
layer = mc.layer(l)
if layer.name() == unicode(myName,'latin1'):
return layer
def getMapLayerByName(self,myName):
mc = self.iface.mapCanvas()
nLayers = mc.layerCount()
for l in range(nLayers):
layer = mc.layer(l)
if layer.name() == unicode(myName):
return layer

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