def loadtofield(self):
layersmap=QgsMapLayerRegistry.instance().mapLayers()
layerslist=[]
curLayer = self.iface.mapCanvas().currentLayer()
if (curLayer == None):
infoString = "No layers selected"
QMessageBox.information(self.iface.mainWindow(),"Warning",infoString)
return
if (curLayer.type() != curLayer.VectorLayer):
infoString = "Not a vector layer"
QMessageBox.information(self.iface.mainWindow(),"Warning",infoString)
return
fProvider = curLayer.dataProvider()
myFields = fProvider.fields()
allFieldsNames= [f.name() for f in myFields]
myFieldsNames=[]
for f in myFields:
if f.typeName() == "String":
myFieldsNames.append(f.name())
if len(myFieldsNames) == 0:
QMessageBox.information(self.iface.mainWindow(),"Warning","No string field names. Exiting")
return
elif len(myFieldsNames) == 1:
attrfieldname = myFieldsNames[0]
else:
res = dlgSelField(myFieldsNames)
if res.exec_():
attrfieldname=res.selectedAttr()
else:
return
attrindex = allFieldsNames.index(attrfieldname)
attrfield = myFields[attrindex]
aloadfile = QFileDialog.getOpenFileName(None, "Open file dialog","","Text (*.txt)")
fileHandle = open(aloadfile, 'r')
#QMessageBox.information(self.iface.mainWindow(),"Warning",str(curLayer.isEditable()))
curLayer.startEditing()
for f in curLayer.getFeatures():
astr = unicode(fileHandle.next(),'utf-8')
f[attrfieldname] = astr.strip()
curLayer.updateFeature(f)
#bbul = curLayer.commitChanges()
#QMessageBox.information(self.iface.mainWindow(),"Warning",str(fid))
#QMessageBox.information(self.iface.mainWindow(),"Warning",str(bbul))
curLayer.commitChanges()
fileHandle.close()
def dumpfield(self):
curLayer = self.iface.mapCanvas().currentLayer()
if (curLayer == None):
infoString = "No layers selected"
QMessageBox.information(self.iface.mainWindow(),"Warning",infoString)
return
if (curLayer.type() != curLayer.VectorLayer):
infoString = "Not a vector layer"
QMessageBox.information(self.iface.mainWindow(),"Warning",infoString)
return
featids=curLayer.selectedFeaturesIds()
if (len(featids) == 0):
infoString = "No features selected, using all " + str(curLayer.featureCount()) + " features"
QMessageBox.information(self.iface.mainWindow(),"Warning",infoString)
featids = range(curLayer.featureCount())
fProvider = curLayer.dataProvider()
myFields = fProvider.fields()
allFieldsNames= [f.name() for f in myFields]
myFieldsNames=[]
for f in myFields:
if f.typeName() == "String":
myFieldsNames.append(f.name())
if len(myFieldsNames) == 0:
QMessageBox.information(self.iface.mainWindow(),"Warning","No string field names. Exiting")
return
elif len(myFieldsNames) == 1:
attrfield = myFieldsNames[0]
else:
res = dlgSelField(myFieldsNames)
if res.exec_():
attrfield=res.selectedAttr()
else:
return
attrindex = allFieldsNames.index(attrfield)
adumpfile = QFileDialog.getSaveFileName(None, "save file dialog", attrfield +'.txt', "Text (*.txt)")
fileHandle = open(adumpfile, 'w')
for f in curLayer.getFeatures():
attr=f[attrfield]
fileHandle.write(attr.encode('utf-8') +'\n')
fileHandle.close()