def do_aeag_menu(self,
fileName,
who,
menu=None,
visible=None,
expanded=None):
self.canvas.freeze(True)
self.canvas.setRenderFlag(False)
group = None
theLayer = None
groupName = None
QgsApplication.setOverrideCursor(Qt.WaitCursor)
try:
if (type(menu.parentWidget()) == QMenu or type(menu.parentWidget())
== QWidget) and self.optionCreateGroup:
groupName = menu.title().replace("&", "")
group = QgsProject.instance().layerTreeRoot().findGroup(
groupName)
if group is None:
group = QgsProject.instance().layerTreeRoot().addGroup(
groupName)
# load all layers
if fileName is None and who is None and self.optionLoadAll:
for action in menu.actions():
if ((action.text() != self.tr("&Load all"))
and (action.text() != "Load all")):
action.trigger()
else:
# read QGis project
doc = QtXml.QDomDocument()
xml = QFile(fileName)
if xml.open(QIODevice.ReadOnly | QIODevice.Text):
doc.setContent(xml)
# is project in relative path ?
absolute = self.isAbsolute(doc)
node = getFirstChildByTagNameValue(doc.documentElement(),
"maplayer", "id", who)
if node:
idNode = node.namedItem("id")
layerType = node.toElement().attribute("type", "vector")
# give it a new id (for multiple import)
import re
newLayerId = "L%s" % re.sub("[{}-]", "",
QUuid.createUuid().toString())
try:
idNode.firstChild().toText().setData(newLayerId)
except:
pass
# if relative path, adapt datasource
if not absolute:
try:
datasourceNode = node.namedItem("datasource")
ds = datasourceNode.firstChild().toText().data()
providerNode = node.namedItem("provider")
provider = providerNode.firstChild().toText().data(
)
if provider == "ogr" and (ds.find(".") == 0):
projectpath = QFileInfo(
os.path.realpath(fileName)).path()
newlayerpath = projectpath + "/" + ds
datasourceNode.firstChild().toText().setData(
newlayerpath)
except:
pass
# read modified layer node
if self.optionCreateGroup and group is not None:
"""# sol 1 bug : layer incomplete
# because of API strange behaviour, we clone the layer...
theLayer = QgsProject.instance().mapLayer(newLayerId)
cloneLayer = theLayer.clone()
# removing the first
QgsProject.instance().removeMapLayer(newLayerId)
# adding the clone...
treeNode = group.addLayer(cloneLayer)
treeNode.setExpanded(expanded)
treeNode.setItemVisibilityChecked(visible)"""
# solution 2, ok !
if layerType == "raster":
theLayer = QgsRasterLayer()
else:
theLayer = QgsVectorLayer()
theLayer.readLayerXml(node.toElement(),
QgsReadWriteContext())
# needed
QgsProject.instance().addMapLayer(theLayer, False)
# add to group
treeNode = group.addLayer(theLayer)
treeNode.setExpanded(expanded)
treeNode.setItemVisibilityChecked(visible)
else:
# create layer
QgsProject.instance().readLayer(node)
except Exception as e:
QgsMessageLog.logMessage(
'Menu from layer: Invalid ' +
(fileName if fileName is not None else ""), 'Extensions')
for m in e.args:
QgsMessageLog.logMessage(m, 'Extensions')
self.canvas.freeze(False)
self.canvas.setRenderFlag(True)
self.canvas.refresh()
QgsApplication.restoreOverrideCursor()
def addLayer(self,
uri,
fileName,
layerId,
group=None,
visible=False,
expanded=False):
theLayer = None
# read QGIS project
doc, _ = self.getQgsDoc(fileName)
# is project in relative path ?
absolute = is_absolute(doc)
trusted = project_trusted(doc)
node = getFirstChildByTagNameValue(doc.documentElement(), "maplayer",
"id", layerId)
node = node.cloneNode()
if node:
idNode = node.namedItem("id")
layerType = node.toElement().attribute("type", "vector")
# give it a new id (for multiple import)
newLayerId = "L%s" % re.sub("[{}-]", "",
QUuid.createUuid().toString())
try:
idNode.firstChild().toText().setData(newLayerId)
except Exception:
pass
# if relative path, adapt datasource
if not absolute:
try:
datasourceNode = node.namedItem("datasource")
ds = datasourceNode.firstChild().toText().data()
providerNode = node.namedItem("provider")
provider = providerNode.firstChild().toText().data()
if provider in ["ogr", "gdal"] and (ds.find(".") == 0):
projectpath = QFileInfo(uri).path()
newlayerpath = projectpath + "/" + ds
datasourceNode.firstChild().toText().setData(
newlayerpath)
except Exception:
pass
# read modified layer node
if self.optionCreateGroup and group is not None:
if layerType == "raster":
theLayer = QgsRasterLayer()
else:
theLayer = QgsVectorLayer()
theLayer.setReadExtentFromXml(trusted)
theLayer.readLayerXml(node.toElement(), QgsReadWriteContext())
# Special process if the plugin "DB Style Manager" is installed
flag = "use_db_style_manager_in_custom_menu" in os.environ
if flag and "db-style-manager" in plugins:
try:
plugins["db-style-manager"].load_style_from_database(
theLayer)
except Exception:
self.log("DB-Style-Manager failed to load the style.")
# needed
QgsProject.instance().addMapLayer(theLayer, False)
# add to group
treeNode = group.insertLayer(0, theLayer)
treeNode.setExpanded(expanded)
treeNode.setItemVisibilityChecked(visible)
else:
# create layer
theLayer = QgsProject.instance().readLayer(node)
return QgsProject.instance().mapLayer(newLayerId)
else:
self.log("{} not found".format(layerId))
return None