class MemoryLayers():
def __init__(self, iface):
self.iface = iface
self.settings = MySettings()
def setLayerVisible(self, layer):
root = QgsProject.instance().layerTreeRoot()
node = root.findLayer(layer.id())
node.setVisible(Qt.Checked)
def lineLayer(self):
layerID = self.settings.value("memoryLineLayer")
layer = QgsMapLayerRegistry.instance().mapLayer(layerID)
if layer is None:
epsg = self.iface.mapCanvas().mapRenderer().destinationCrs(
).authid()
layer = QgsVectorLayer(
"LineString?crs=%s&field=id:string&field=type:string&field=x:double&field=y:double&field=observation:double&field=precision:double&index=yes"
% epsg, "IntersectIt Lines", "memory")
QgsMapLayerRegistry.instance().addMapLayer(layer)
layer.layerDeleted.connect(self.__lineLayerDeleted)
layer.featureDeleted.connect(self.__lineLayerFeatureDeleted)
self.settings.setValue("memoryLineLayer", layer.id())
else:
self.setLayerVisible(layer)
return layer
def __lineLayerDeleted(self):
self.settings.setValue("memoryLineLayer", "")
def __lineLayerFeatureDeleted(self, fid):
# todo: delete corresponding feature in other layer
print "hay"
def pointLayer(self):
layerID = self.settings.value("memoryPointLayer")
layer = QgsMapLayerRegistry.instance().mapLayer(layerID)
if layer is None:
epsg = self.iface.mapCanvas().mapRenderer().destinationCrs(
).authid()
layer = QgsVectorLayer(
"Point?crs=%s&field=id:string&index=yes" % epsg,
"IntersectIt Points", "memory")
QgsMapLayerRegistry.instance().addMapLayer(layer)
layer.layerDeleted.connect(self.__pointLayerDeleted)
self.settings.setValue("memoryPointLayer", layer.id())
else:
self.setLayerVisible(layer)
return layer
def __pointLayerDeleted(self):
self.settings.setValue("memoryPointLayer", "")
class MemoryLayers():
def __init__(self, iface):
self.iface = iface
self.settings = MySettings()
def set_layer_visible(self, layer):
root = QgsProject.instance().layerTreeRoot()
node = root.findLayer(layer.id())
node.setVisible(Qt.Checked)
def remove_layers(self):
try:
QgsMapLayerRegistry.instance().removeMapLayer(self.settings.value("memoryLineLayer"))
QgsMapLayerRegistry.instance().removeMapLayer(self.settings.value("memoryPointLayer"))
except AttributeError:
return
def clean_layers(self):
for layer_name in ('memoryLineLayer', 'memoryPointLayer'):
layer_id = self.settings.value(layer_name)
layer = QgsMapLayerRegistry.instance().mapLayer(layer_id)
layer.selectAll()
fids = layer.selectedFeaturesIds()
layer.dataProvider().deleteFeatures(fids)
layer.featuresDeleted.emit(fids)
self.iface.mapCanvas().refresh()
def line_layer(self):
layer_id = self.settings.value("memoryLineLayer")
layer = QgsMapLayerRegistry.instance().mapLayer(layer_id)
if layer is None:
epsg = self.iface.mapCanvas().mapRenderer().destinationCrs().authid()
layer = QgsVectorLayer("LineString?crs=%s&field=id:string&field=type:string&field=x:double&field=y:double&field=observation:double&field=precision:double&index=yes" % epsg, "IntersectIt Lines", "memory")
QgsMapLayerRegistry.instance().addMapLayer(layer)
layer.layerDeleted.connect(self.__line_layer_deleted)
layer.featureDeleted.connect(self.__line_layer_feature_deleted)
self.settings.setValue("memoryLineLayer", layer.id())
else:
self.set_layer_visible(layer)
return layer
def __line_layer_deleted(self):
self.settings.setValue("memoryLineLayer", "")
def __line_layer_feature_deleted(self, fid):
# todo: delete corresponding feature in other layer
print "hay"
def point_layer(self):
layer_id = self.settings.value("memoryPointLayer")
layer = QgsMapLayerRegistry.instance().mapLayer(layer_id)
if layer is None:
epsg = self.iface.mapCanvas().mapRenderer().destinationCrs().authid()
layer = QgsVectorLayer("Point?crs=%s&field=id:string&index=yes" % epsg, "IntersectIt Points", "memory")
QgsMapLayerRegistry.instance().addMapLayer(layer)
layer.layerDeleted.connect(self.__pointLayerDeleted)
self.settings.setValue("memoryPointLayer", layer.id())
else:
self.set_layer_visible(layer)
return layer
def __pointLayerDeleted(self):
self.settings.setValue("memoryPointLayer", "")
class MemoryLayers():
def __init__(self, iface):
self.iface = iface
self.settings = MySettings()
def set_layer_visible(self, layer):
root = QgsProject.instance().layerTreeRoot()
node = root.findLayer(layer.id())
node.setVisible(Qt.Checked)
def remove_layers(self):
try:
QgsMapLayerRegistry.instance().removeMapLayer(self.settings.value("memoryLineLayer"))
QgsMapLayerRegistry.instance().removeMapLayer(self.settings.value("memoryPointLayer"))
except AttributeError:
return
def clean_layers(self):
for layer_name in ('memoryLineLayer', 'memoryPointLayer'):
layer_id = self.settings.value(layer_name)
layer = QgsMapLayerRegistry.instance().mapLayer(layer_id)
layer.selectAll()
fids = layer.selectedFeaturesIds()
layer.dataProvider().deleteFeatures(fids)
layer.featuresDeleted.emit(fids)
self.iface.mapCanvas.refresh()
def line_layer(self):
layer_id = self.settings.value("memoryLineLayer")
layer = QgsMapLayerRegistry.instance().mapLayer(layer_id)
if layer is None:
epsg = self.iface.mapCanvas().mapRenderer().destinationCrs().authid()
layer = QgsVectorLayer("LineString?crs=%s&field=id:string&field=type:string&field=x:double&field=y:double&field=observation:double&field=precision:double&index=yes" % epsg, "IntersectIt Lines", "memory")
QgsMapLayerRegistry.instance().addMapLayer(layer)
layer.layerDeleted.connect(self.__line_layer_deleted)
layer.featureDeleted.connect(self.__line_layer_feature_deleted)
self.settings.setValue("memoryLineLayer", layer.id())
else:
self.set_layer_visible(layer)
return layer
def __line_layer_deleted(self):
self.settings.setValue("memoryLineLayer", "")
def __line_layer_feature_deleted(self, fid):
# todo: delete corresponding feature in other layer
print "hay"
def point_layer(self):
layer_id = self.settings.value("memoryPointLayer")
layer = QgsMapLayerRegistry.instance().mapLayer(layer_id)
if layer is None:
epsg = self.iface.mapCanvas().mapRenderer().destinationCrs().authid()
layer = QgsVectorLayer("Point?crs=%s&field=id:string&index=yes" % epsg, "IntersectIt Points", "memory")
QgsMapLayerRegistry.instance().addMapLayer(layer)
layer.layerDeleted.connect(self.__pointLayerDeleted)
self.settings.setValue("memoryPointLayer", layer.id())
else:
self.set_layer_visible(layer)
return layer
def __pointLayerDeleted(self):
self.settings.setValue("memoryPointLayer", "")