def updateTrackedLayers(repo):
head = repo.revparse(geogig.HEAD)
repoLayers = [tree.path for tree in repo.trees]
repoLayersInProject = False
notLoaded = []
toUnload = []
for trackedlayer in tracked:
if trackedlayer.repoFolder == repo.url:
if trackedlayer.layername in repoLayers:
if (trackedlayer.ref != head
or not os.path.exists(trackedlayer.source)):
repo.exportshp(geogig.HEAD, trackedlayer.layername, trackedlayer.source, 'utf-8')
try:
layer = resolveLayerFromSource(trackedlayer.source)
layer.dataProvider().forceReload()
layer.setCacheImage(None)
layer.triggerRepaint()
repoLayersInProject = True
except WrongLayerSourceException:
notLoaded.append(trackedlayer)
trackedlayer.ref = head
else:
try:
layer = resolveLayerFromSource(trackedlayer.source)
repoLayersInProject = True
except WrongLayerSourceException:
notLoaded.append(trackedlayer)
else:
try:
layer = resolveLayerFromSource(trackedlayer.source)
toUnload.append(layer)
except WrongLayerSourceException:
pass
saveTracked()
if repoLayersInProject:
if notLoaded:
ret = QtGui.QMessageBox.warning(config.iface.mainWindow(), "Update layers",
"The current QGIS project only contains certain layers from the\n"
"current version of the repository.\n"
"Do you want to load the remaining ones?",
QtGui.QMessageBox.Yes | QtGui.QMessageBox.No,
QtGui.QMessageBox.Yes);
if ret == QtGui.QMessageBox.Yes:
layersToLoad = []
for layer in notLoaded:
layersToLoad.append(loadLayerNoCrsDialog(layer.source, layer.layername, "ogr"))
QgsMapLayerRegistry.instance().addMapLayers(layersToLoad)
if toUnload:
ret = QtGui.QMessageBox.warning(config.iface.mainWindow(), "Update layers",
"The following layers are not present anymore in the repository:\n"
"\t- " + "\n\t- ".join([layer.name() for layer in toUnload]) +
"\nDo you want to remove them from the current QGIS project?",
QtGui.QMessageBox.Yes | QtGui.QMessageBox.No,
QtGui.QMessageBox.Yes);
if ret == QtGui.QMessageBox.Yes:
for layer in toUnload:
QgsMapLayerRegistry.instance().removeMapLayer(layer.id())
config.iface.mapCanvas().refresh()
def loadRepoExportedLayers(repo):
paths = getTrackedPathsForRepo(repo)
layers = []
for f in paths:
try:
layer = resolveLayerFromSource(f)
layer.reload()
layer.triggerRepaint()
except WrongLayerSourceException:
layername = os.path.splitext(os.path.basename(f))[0]
layer = loadLayerNoCrsDialog(f, layername, "ogr")
layers.append(layer)
if layers:
QgsMapLayerRegistry.instance().addMapLayers(layers)
def loadRepoExportedLayers(repo):
paths = getTrackedPathsForRepo(repo)
layers = []
for f in paths:
try:
layer = resolveLayerFromSource(f)
layer.dataProvider().forceReload()
layer.setCacheImage(None)
layer.triggerRepaint()
except WrongLayerSourceException:
layername = os.path.splitext(os.path.basename(f))[0]
layer = loadLayerNoCrsDialog(f, layername, "ogr")
layers.append(layer)
if layers:
QgsMapLayerRegistry.instance().addMapLayers(layers)
def checkoutLayer(repo, layername, bbox, ref=None):
ref = ref or repo.HEAD
newCommitId = repo.revparse(ref)
trackedlayer = getTrackingInfoForGeogigLayer(repo.url, layername)
if trackedlayer is not None:
if not os.path.exists(trackedlayer.geopkg):
removeTrackedLayer(trackedlayer.source)
trackedlayer = None
filename = layerGeopackageFilename(layername, repo.title,
repo.group)
source = "%s|layername=%s" % (filename, layername)
else:
source = trackedlayer.source
else:
filename = layerGeopackageFilename(layername, repo.title, repo.group)
source = "%s|layername=%s" % (filename, layername)
if trackedlayer is None:
repo.checkoutlayer(filename, layername, bbox, ref or repo.HEAD)
addTrackedLayer(source, repo.url)
try:
layer = resolveLayerFromSource(source)
iface.messageBar().pushMessage(
"GeoGig",
"Layer was already included in the current QGIS project",
level=QgsMessageBar.INFO,
duration=5)
except WrongLayerSourceException:
layer = loadLayerNoCrsDialog(source, layername, "ogr")
QgsMapLayerRegistry.instance().addMapLayers([layer])
iface.messageBar().pushMessage("GeoGig",
"Layer correctly added to project",
level=QgsMessageBar.INFO,
duration=5)
elif ref is not None:
currentCommitId = getCommitId(source)
try:
layer = resolveLayerFromSource(source)
wasLoaded = True
except WrongLayerSourceException:
layer = loadLayerNoCrsDialog(source, layername, "ogr")
wasLoaded = False
if newCommitId != currentCommitId:
if hasLocalChanges(layer):
raise HasLocalChangesError()
filename, layername = namesFromLayer(layer)
repo.checkoutlayer(filename, layername, bbox, ref)
layer.reload()
if not wasLoaded:
QgsMapLayerRegistry.instance().addMapLayers([layer])
iface.messageBar().pushMessage(
"GeoGig",
"Layer correctly added to project",
level=QgsMessageBar.INFO,
duration=5)
else:
iface.messageBar().pushMessage(
"GeoGig",
"Layer correctly updated to specified version",
level=QgsMessageBar.INFO,
duration=5)
layer.triggerRepaint()
else:
if wasLoaded:
iface.messageBar().pushMessage(
"GeoGig",
"Layer was already included in the current QGIS project",
level=QgsMessageBar.INFO,
duration=5)
else:
QgsMapLayerRegistry.instance().addMapLayers([layer])
iface.messageBar().pushMessage(
"GeoGig",
"Layer correctly added to the current QGIS project",
level=QgsMessageBar.INFO,
duration=5)
repoWatcher.repoChanged.emit(repo)
return layer