def createAndParseSld(qgisLayerItem):
document = QDomDocument()
header = document.createProcessingInstruction(
'xml', 'version=\'1.0\' encoding=\'UTF-8\'')
document.appendChild(header)
root = document.createElementNS('http://www.opengis.net/sld',
'StyledLayerDescriptor')
root.setAttribute('version', '1.0.0')
root.setAttribute('xmlns:ogc', 'http://www.opengis.net/ogc')
root.setAttribute('xmlns:sld', 'http://www.opengis.net/sld')
root.setAttribute('xmlns:gml', 'http://www.opengis.net/gml')
document.appendChild(root)
namedLayerNode = document.createElement('sld:NamedLayer')
root.appendChild(namedLayerNode)
qgisLayerItem.layer.writeSld(namedLayerNode, document,
'') ## TODO: if could not be created...
nameNode = namedLayerNode.firstChildElement('se:Name')
oldNameText = nameNode.firstChild()
newname = qgisLayerItem.parentShogunLayer.source['layerNames']
newNameText = document.createTextNode(newname)
nameNode.appendChild(newNameText)
nameNode.removeChild(oldNameText)
userStyleNode = namedLayerNode.firstChildElement('UserStyle')
userStyleNameNode = userStyleNode.firstChildElement('se:Name')
userStyleNameText = userStyleNameNode.firstChild()
userStyleNameNode.removeChild(userStyleNameText)
userStyleNameNode.appendChild(
document.createTextNode(qgisLayerItem.stylename))
titleNode = document.createElement('sld:Title')
title = document.createTextNode('A QGIS-Style for ' +
qgisLayerItem.layer.name())
titleNode.appendChild(title)
userStyleNode.appendChild(titleNode)
defaultNode = document.createElement('sld:IsDefault')
defaultNode.appendChild(document.createTextNode('1'))
userStyleNode.appendChild(defaultNode)
featureTypeStyleNode = userStyleNode.firstChildElement(
'se:FeatureTypeStyle')
featureTypeStyleNameNode = document.createElement('sld:Name')
featureTypeStyleNameNode.appendChild(document.createTextNode('name'))
featureTypeStyleNode.appendChild(featureTypeStyleNameNode)
rules = featureTypeStyleNode.elementsByTagName('se:Rule')
for x in range(rules.length()):
rule = rules.at(x)
rule.removeChild(rule.firstChildElement('se:Description'))
# Check if custom icons are used in symbology and replace the text:
# search if tag 'se:OnlineResource' is in the sld document
listOfGraphics = rule.toElement().elementsByTagName('se:OnlineResource')
if not listOfGraphics.isEmpty():
for x in range(listOfGraphics.length()):
graphicNode = listOfGraphics.at(x)
currentIcon = graphicNode.attributes().namedItem(
'xlink:href').nodeValue()
iconUrl = qgisLayerItem.ressource.prepareIconForUpload(currentIcon)
graphicNode.toElement().setAttribute('xlink:href', iconUrl)
graphicNode.toElement().setAttribute(
'xmlns:xlink', 'http://www.w3.org/1999/xlink')
sld = document.toString()
if qgisLayerItem.layer.labelsEnabled():
labelSld = getLabelingAsSld(qgisLayerItem.layer)
sld = sld.replace('</se:Rule>', labelSld + '</se:Rule>')
sld = sld.replace('ogc:Filter xmlns:ogc="http://www.opengis.net/ogc"',
'ogc:Filter')
# the following fixes weird problems with the sld compability with the
# shogun webapp
sld = sld.replace('<ogc:And>', '')
sld = sld.replace('</ogc:And>', '')
sld = sld.replace('<se:Name> ', '<se:Name>')
sld = sld.replace(' </se:Name>', '</se:Name>')
sld = sld.replace('StyledLayerDescriptor', 'sld:StyledLayerDescriptor')
sld = sld.replace('UserStyle', 'sld:UserStyle')
sld = sld.replace('se:', 'sld:')
sld = sld.replace('SvgParameter', 'CssParameter')
sld = sld.replace('\n', '')
sld = sld.replace('\t', '')
return sld
