def _loadLogLayer(self, sourceLayer, layerPath, layerName):
layer = None
layerId = ''
layerList = QgsMapLayerRegistry.instance().mapLayersByName(layerName)
if (len(layerList) > 0):
layer = layerList[0]
self._iface.legendInterface().moveLayer(layer, self._bufferGroupIndex)
else:
fullLayerPath = self.projectPath + '/' + layerPath
if (layerName and layerPath and sourceLayer and sourceLayer.isValid()):
if not QFile.exists(fullLayerPath):
# If the layer doesn't exist, clone from the source layer
layer = layers.cloneAsShapefile(sourceLayer, fullLayerPath, layerName)
if layer and layer.isValid():
layer.dataProvider().addAttributes([QgsField('timestamp', QVariant.String, '', 10, 0, 'timestamp')])
layer.dataProvider().addAttributes([QgsField('event', QVariant.String, '', 6, 0, 'event')])
else:
# If the layer does exist, then load it and copy the style
layer = QgsVectorLayer(fullLayerPath, layerName, 'ogr')
if layer and layer.isValid():
layers.loadStyle(layer, fromLayer=sourceLayer)
if layer and layer.isValid():
layerId = layer.id()
layer.setFeatureFormSuppress(QgsVectorLayer.SuppressOn)
self._iface.legendInterface().setLayerExpanded(layer, False)
else:
layer = None
return layer, layerId
def _loadBufferLayer(self, sourceLayer, layerPath, layerName):
layer = None
layerId = ''
layerList = QgsMapLayerRegistry.instance().mapLayersByName(layerName)
if (len(layerList) > 0):
layer = layerList[0]
self._iface.legendInterface().moveLayer(layer,
self._bufferGroupIndex)
else:
fullLayerPath = self.projectPath + '/' + layerPath
if (layerName and layerPath and sourceLayer
and sourceLayer.isValid()):
if not QFile.exists(fullLayerPath):
# If the layer doesn't exist, clone from the source layer
layer = layers.cloneAsShapefile(sourceLayer, fullLayerPath,
layerName)
else:
# If the layer does exist, then load it and copy the style
layer = QgsVectorLayer(fullLayerPath, layerName, 'ogr')
layer = layers.addLayerToLegend(self._iface, layer,
self._bufferGroupIndex)
if layer and layer.isValid():
layerId = layer.id()
layers.loadStyle(layer, fromLayer=sourceLayer)
self._setDefaultSnapping(layer)
layer.startEditing()
layer.setFeatureFormSuppress(QgsVectorLayer.SuppressOn)
self._iface.legendInterface().setLayerExpanded(layer, False)
else:
layer = None
return layer, layerId
def _loadBufferLayer(self, sourceLayer, layerPath, layerName):
layer = None
layerId = ''
layerList = QgsMapLayerRegistry.instance().mapLayersByName(layerName)
if (len(layerList) > 0):
layer = layerList[0]
self._iface.legendInterface().moveLayer(layer, self._bufferGroupIndex)
else:
fullLayerPath = self.projectPath + '/' + layerPath
if (layerName and layerPath and sourceLayer and sourceLayer.isValid()):
if not QFile.exists(fullLayerPath):
# If the layer doesn't exist, clone from the source layer
layer = layers.cloneAsShapefile(sourceLayer, fullLayerPath, layerName)
else:
# If the layer does exist, then load it and copy the style
layer = QgsVectorLayer(fullLayerPath, layerName, 'ogr')
layer = layers.addLayerToLegend(self._iface, layer, self._bufferGroupIndex)
if layer and layer.isValid():
layerId = layer.id()
layers.loadStyle(layer, fromLayer=sourceLayer)
self._setDefaultSnapping(layer)
layer.startEditing()
layer.setFeatureFormSuppress(QgsVectorLayer.SuppressOn)
self._iface.legendInterface().setLayerExpanded(layer, False)
else:
layer = None
return layer, layerId
def _loadLogLayer(self, sourceLayer, layerPath, layerName):
layer = None
layerId = ''
layerList = QgsMapLayerRegistry.instance().mapLayersByName(layerName)
if (len(layerList) > 0):
layer = layerList[0]
self._iface.legendInterface().moveLayer(layer,
self._bufferGroupIndex)
else:
fullLayerPath = self.projectPath + '/' + layerPath
if (layerName and layerPath and sourceLayer
and sourceLayer.isValid()):
if not QFile.exists(fullLayerPath):
# If the layer doesn't exist, clone from the source layer
layer = layers.cloneAsShapefile(sourceLayer, fullLayerPath,
layerName)
if layer and layer.isValid():
layer.dataProvider().addAttributes([
QgsField('timestamp', QVariant.String, '', 10, 0,
'timestamp')
])
layer.dataProvider().addAttributes([
QgsField('event', QVariant.String, '', 6, 0,
'event')
])
else:
# If the layer does exist, then load it and copy the style
layer = QgsVectorLayer(fullLayerPath, layerName, 'ogr')
if layer and layer.isValid():
layers.loadStyle(layer, fromLayer=sourceLayer)
if layer and layer.isValid():
layerId = layer.id()
layer.setFeatureFormSuppress(QgsVectorLayer.SuppressOn)
self._iface.legendInterface().setLayerExpanded(layer, False)
else:
layer = None
return layer, layerId