def get_capabilities(self, params: Dict[str, str], response: QgsServerResponse, project: QgsProject) -> None:
""" Get cadastral capabilities based on config stored as project custom variables
"""
# get project custom variables
variables = project.customVariables()
if 'cadastre_parcelle_layer_id' not in variables or \
'cadastre_parcelle_unique_field' not in variables:
raise CadastreError(400, "Project has no cadastral capabilities")
parcelle_layer_id = variables['cadastre_parcelle_layer_id']
parcelle_layer_unique_field = variables['cadastre_parcelle_unique_field']
player = project.mapLayer(parcelle_layer_id)
if not player:
raise CadastreError(404, "Parcel layer not available")
capabilities = {
'parcelle': {
'id': player.id(),
'name': player.name(),
'title': player.title(),
'shortName': player.shortName(),
'unique_field': parcelle_layer_unique_field
}
}
if 'cadastre_section_layer_id' in variables:
section_layer_id = variables['cadastre_section_layer_id']
slayer = project.mapLayer(section_layer_id)
if slayer:
capabilities['section'] = {
'id': slayer.id(),
'name': slayer.name(),
'title': slayer.title(),
'shortName': slayer.shortName()
}
if 'cadastre_section_unique_field' in variables:
capabilities['section']['unique_field'] = variables['cadastre_section_unique_field']
if 'cadastre_commune_layer_id' in variables:
commune_layer_id = variables['cadastre_commune_layer_id']
slayer = project.mapLayer(commune_layer_id)
if slayer:
capabilities['commune'] = {
'id': slayer.id(),
'name': slayer.name(),
'title': slayer.title(),
'shortName': slayer.shortName()
}
if 'cadastre_commune_unique_field' in variables:
capabilities['commune']['unique_field'] = variables['cadastre_commune_unique_field']
write_json_response({
'status': 'success',
'message': 'Capabilities',
'data': capabilities
}, response)
def test_style_delete(self):
"""Test delete style"""
self.assertTrue(self.qdjango_layer.delete_style('style2'))
self.assertFalse(self.qdjango_layer.delete_style('style1'))
# Verify
p = QgsProject()
p.read(self.qdjango_project.qgis_project.fileName())
l = p.mapLayer(self.qdjango_layer.qgis_layer.id())
self.assertTrue(l.isValid())
sm = l.styleManager()
self.assertEqual(sm.styles(), ['style1'])
del(sm)
del(p)
def testEmbeddedGroup(self):
testdata_path = unitTestDataPath('embedded_groups') + '/'
prj_path = os.path.join(testdata_path, "project2.qgs")
prj = QgsProject()
prj.read(prj_path)
layer_tree_group = prj.layerTreeRoot()
self.assertEqual(len(layer_tree_group.findLayerIds()), 2)
for layer_id in layer_tree_group.findLayerIds():
name = prj.mapLayer(layer_id).name()
self.assertTrue(name in ['polys', 'lines'])
if name == 'polys':
self.assertTrue(layer_tree_group.findLayer(layer_id).itemVisibilityChecked())
elif name == 'lines':
self.assertFalse(layer_tree_group.findLayer(layer_id).itemVisibilityChecked())
def testEmbeddedGroup(self):
testdata_path = unitTestDataPath('embedded_groups') + '/'
prj_path = os.path.join(testdata_path, "project2.qgs")
prj = QgsProject()
prj.read(prj_path)
layer_tree_group = prj.layerTreeRoot()
layers_ids = layer_tree_group.findLayerIds()
layers_names = []
for layer_id in layers_ids:
name = prj.mapLayer(layer_id).name()
layers_names.append(name)
expected = ['polys', 'lines']
self.assertEqual(sorted(layers_names), sorted(expected))
def testEmbeddedGroup(self):
testdata_path = unitTestDataPath('embedded_groups') + '/'
prj_path = os.path.join(testdata_path, "project2.qgs")
prj = QgsProject()
prj.read(prj_path)
layer_tree_group = prj.layerTreeRoot()
layers_ids = layer_tree_group.findLayerIds()
layers_names = []
for layer_id in layers_ids:
name = prj.mapLayer(layer_id).name()
layers_names.append(name)
expected = ['polys', 'lines']
self.assertEqual(sorted(layers_names), sorted(expected))
def testEmbeddedGroup(self):
testdata_path = unitTestDataPath('embedded_groups') + '/'
prj_path = os.path.join(testdata_path, "project2.qgs")
prj = QgsProject()
prj.read(prj_path)
layer_tree_group = prj.layerTreeRoot()
self.assertEqual(len(layer_tree_group.findLayerIds()), 2)
for layer_id in layer_tree_group.findLayerIds():
name = prj.mapLayer(layer_id).name()
self.assertTrue(name in ['polys', 'lines'])
if name == 'polys':
self.assertTrue(
layer_tree_group.findLayer(
layer_id).itemVisibilityChecked())
elif name == 'lines':
self.assertFalse(
layer_tree_group.findLayer(
layer_id).itemVisibilityChecked())
def actions(nameAction, params):
def _getRasterLayer(feature):
pathfile = feature.attribute('pathfile')
info = QFileInfo(pathfile)
if not info.exists():
return {
'isOk': False,
'message': "Raster file '{}' not found".format(pathfile)
}
sources = dict([(layer.source(), layer)
for layer in project.mapLayers().values()])
if pathfile in sources.keys():
layer = sources[pathfile]
needAdd = False
else:
name = QFileInfo(pathfile).completeBaseName()
layer = QgsRasterLayer(pathfile, name)
needAdd = True
return {'isOk': True, 'layer': layer, 'needAdd': needAdd}
def _addRaster(layer):
project.addMapLayer(layer)
ltl = project.layerTreeRoot().findLayer(layer)
ltl.setItemVisibilityChecked(True)
ltl.setExpanded(False)
# Actions functions
def flash():
m = MapCanvasFeature()
m.flash(layer, feature)
return {'isOk': True}
def zoom():
m = MapCanvasFeature()
m.zoom(layer, feature)
return {'isOk': True}
def show_hideImage():
r = _getRasterLayer(feature)
if not r['isOk']:
return r
if r['needAdd']:
_addRaster(r['layer'])
else:
ltl = project.layerTreeRoot().findLayer(r['layer'])
ltl.setItemVisibilityChecked(not ltl.isVisible())
return {'isOk': True}
def setCurrent():
r = _getRasterLayer(feature)
if not r['isOk']:
return r
if r['needAdd']:
_addRaster(r['layer'])
else:
QgsUtils.iface.setActiveLayer(r['layer'])
return {'isOk': True}
def setZeroTransparency():
def existsCatalog(raster):
vfilter = '"pathfile" = \'{}\''.format(raster.source())
viter = layer.getFeatures(vfilter)
feat = QgsFeature()
vreturn = viter.nextFeature(feat)
del feat
return vreturn
maplayers = map(lambda ltl: ltl.layer(),
StyleOutputFootPrint.root.findLayers())
rasters = filter(
lambda layer: layer.type() == QgsMapLayer.RasterLayer,
maplayers)
for raster in rasters:
if existsCatalog(raster):
RasterTransparency.setTransparency(raster)
return {'isOk': True}
actionsFunc = {
'flash': flash,
'zoom': zoom,
'show_hideImage': show_hideImage,
'setCurrent': setCurrent,
'setZeroTransparency': setZeroTransparency
}
if not nameAction in actionsFunc.keys():
return {
'isOk': False,
'message': "Missing action '{}'".format(nameAction)
}
project = QgsProject().instance()
layer = project.mapLayer(params['layer_id'])
if 'feature_id' in params:
feature = layer.getFeature(params['feature_id'])
return actionsFunc[nameAction]()
def onItemChanged(self, layerType, item):
"""
Get data when table item content has changed
And store it for future use
"""
# Get table
if layerType == 'vector':
table = self.dlg.vectorLayers
elif layerType == 'raster':
table = self.dlg.rasterLayers
else:
return
# Get row and column
row = item.row()
col = item.column()
# Unselect row and item
table.clearSelection()
# Get layer
layerId = table.item(row, 0).data(Qt.EditRole)
lr = QgsProject().instance()
layer = lr.mapLayer(layerId)
if not layer:
return
# Get changed property
prop = self.layersAttributes[layerType][col]['key']
data = table.item(row, col).data(Qt.EditRole)
# test if new datasource prop is valid otherwise restore previous data
if prop == 'source|uri' and not self.newDatasourceIsValid(layer, data):
table.itemChanged.disconnect()
item.setData(Qt.EditRole, self.getLayerProperty(layer, 'source|uri'))
slot = partial(self.onItemChanged, layerType)
table.itemChanged.connect(slot)
return
# Check encoding and revert if problem
if prop == 'encoding' and data not in layer.dataProvider().availableEncodings():
table.itemChanged.disconnect()
item.setData(Qt.EditRole, self.getLayerProperty(layer, 'encoding'))
slot = partial(self.onItemChanged, layerType)
table.itemChanged.connect(slot)
return
# Check shortname and modify to remove unwanted chars
if prop == 'shortname':
table.itemChanged.disconnect()
newshortname = re.sub('[^A-Za-z0-9\.-]', '_', data)
item.setData(Qt.EditRole, newshortname)
slot = partial(self.onItemChanged, layerType)
table.itemChanged.connect(slot)
# Store data in global property
self.layerBoardChangedData[layerType][layerId][prop] = data
# Change cell background
table.item(row, col).setBackground(Qt.yellow)
def populateLayerTable(self, layerType):
"""
Fill the table for a given layer type
"""
# Get parameters for the widget
lt = self.layersTable[layerType]
table = lt['tableWidget']
# Reset layerBoardChangedData
self.layerBoardChangedData[layerType] = {}
# disconnect itemChanged signal
try:
table.itemChanged.disconnect()
except Exception:
pass
attributes = self.layersTable['generic']['attributes'] + lt['attributes']
self.layersAttributes[layerType] = attributes
self.layerBoardData[layerType] = []
headerData = [a['key'] for a in attributes]
self.layerBoardData[layerType].append(headerData)
# empty previous content
for row in range(table.rowCount()):
table.removeRow(row)
table.setRowCount(0)
table.setColumnCount(0)
# create columns and header row
columns = [a['key'] for a in attributes]
columnsLabels = [a['label'] for a in attributes]
colCount = len(columns)
table.setColumnCount(colCount)
table.setHorizontalHeaderLabels(tuple(columnsLabels))
# load content from project layers
lr = QgsProject().instance()
for lid in lr.mapLayers():
layer = lr.mapLayer(lid)
if layerType == 'vector' and layer.type() != QgsMapLayer.VectorLayer:
continue
if layerType == 'raster' and layer.type() != QgsMapLayer.RasterLayer:
continue
# Add layer in the layerBoardChangedData
self.layerBoardChangedData[layerType][lid] = {}
lineData = []
# Set row and column count
twRowCount = table.rowCount()
# add a new line
table.setRowCount(twRowCount + 1)
table.setColumnCount(colCount)
i = 0
# get information
for attr in attributes:
newItem = QTableWidgetItem()
newItem.setToolTip(layer.name())
if layerType == 'vector' and not layer.isSpatial() and attr.get('spatial_only'):
newItem.setFlags(Qt.NoItemFlags)
# Is editable or not
elif attr.get('editable'):
newItem.setFlags(Qt.ItemIsSelectable | Qt.ItemIsEditable | Qt.ItemIsEnabled)
else:
newItem.setFlags(Qt.ItemIsSelectable)
# Item value
if layerType == 'vector' and not layer.isSpatial() and attr.get('spatial_only'):
value = None
else:
value = self.getLayerProperty(layer, attr['key'])
newItem.setData(Qt.EditRole, value)
# Add cell data to lineData
# encode it in the file system encoding, only if needed
# TODO DISABLED due to migration to Python 3, related to CSV export
# if hasattr(value, 'encode'):
# value = value.encode(sys.getfilesystemencoding())
lineData.append(value)
if attr['key'] == 'name':
icon = QgsMapLayerModel.iconForLayer(layer)
newItem.setIcon(icon)
# Add item
table.setItem(twRowCount, i, newItem)
i += 1
# Add data to layerBoardData
self.layerBoardData[layerType].append(lineData)
# Launch slot on item changed slot
slot = partial(self.onItemChanged, layerType)
table.itemChanged.connect(slot)
def test_model_methods(self):
"""Test model style manager CRUD methods"""
self.assertEqual(self.qdjango_layer.styles, [
{
'name': 'style1',
'current': False
},
{
'name': 'style2',
'current': True
},
])
self.assertFalse(self.qdjango_project.is_dirty)
self.assertFalse(
self.qdjango_layer.set_current_style('style1234567890'))
self.assertTrue(self.qdjango_layer.set_current_style('style1'))
self.assertTrue(self.qdjango_project.is_dirty)
self.assertEqual(self.qdjango_layer.styles, [
{
'name': 'style1',
'current': True
},
{
'name': 'style2',
'current': False
},
])
# Verify the project was written
p = QgsProject()
p.read(self.qdjango_project.qgis_project.fileName())
l = p.mapLayer(self.qdjango_layer.qgis_layer.id())
self.assertTrue(l.isValid())
sm = l.styleManager()
self.assertEqual(sm.currentStyle(), 'style1')
del(sm)
del(p)
# Test rename
self.assertFalse(self.qdjango_layer.rename_style(
'style1234567890', 'new_name'))
self.assertFalse(self.qdjango_layer.rename_style('style2', 'style1'))
self.assertTrue(self.qdjango_layer.rename_style('style2', 'new_name'))
self.assertTrue(self.qdjango_layer.rename_style('style1', 'new_name1'))
self.assertTrue(self.qdjango_layer.rename_style('new_name1', 'style1'))
# Verify the project was written
p = QgsProject()
p.read(self.qdjango_project.qgis_project.fileName())
l = p.mapLayer(self.qdjango_layer.qgis_layer.id())
self.assertTrue(l.isValid())
sm = l.styleManager()
self.assertEqual(sm.styles(), ['new_name', 'style1'])
del(sm)
del(p)
# Test remove/delete
self.assertFalse(self.qdjango_layer.delete_style('style1234567890'))
self.assertTrue(self.qdjango_layer.delete_style('style1'))
self.assertFalse(self.qdjango_layer.delete_style('new_name'))
assert self.qdjango_layer.rename_style('new_name', 'style1')
# Verify the project was written
p = QgsProject()
p.read(self.qdjango_project.qgis_project.fileName())
l = p.mapLayer(self.qdjango_layer.qgis_layer.id())
self.assertTrue(l.isValid())
sm = l.styleManager()
self.assertEqual(sm.styles(), ['style1'])
del(sm)
del(p)
# Test add new style
with open(os.path.join(
CURRENT_PATH + TEST_BASE_PATH, 'multiple_styles_manager_test.qml'), 'r') as f:
qml = f.read()
self.assertFalse(self.qdjango_layer.add_style('style1', qml))
self.assertTrue(self.qdjango_layer.add_style(
'My new fancy èé style', qml))
# Verify the project was written
p = QgsProject()
p.read(self.qdjango_project.qgis_project.fileName())
l = p.mapLayer(self.qdjango_layer.qgis_layer.id())
self.assertTrue(l.isValid())
sm = l.styleManager()
self.assertEqual(sm.styles(), ['My new fancy èé style', 'style1'])
del(sm)
del(p)
# Test invalid QML
self.assertFalse(self.qdjango_layer.add_style(
'My invalid style', '<xxxx>this is not a valid style</xxxx>'))
# Restore the project and check the dirt flag
project_file = File(open(self.project_path, 'r'))
project = QgisProject(project_file)
project.instance = self.qdjango_project
project.title = 'Test qdjango postgres multiple styles manager project'
project.group = self.project_group
project.save()
self.assertFalse(self.qdjango_project.is_dirty)
def test_layer_info(self):
p = QgsProject()
p.read(list(projects().values())[1])
info = layer_info(
p.mapLayer('points_842425df_7f45_4091_a6c9_086e1dc1edd1'))
self.assertEqual(info['name'], 'points')
self.assertEqual(info['id'],
'points_842425df_7f45_4091_a6c9_086e1dc1edd1')
self.assertEqual(
info['metadata']['categories'],
['Geoscientific Information', 'Imagery Base Maps Earth Cover'])
self.assertEqual(
info['metadata']['contacts'][0], {
'name':
'Layer Metadata Contact Name',
'role':
'distributor',
'email':
'Layer Metadata Contact Email',
'fax':
'Layer Metadata Contact Fax',
'voice':
'Layer Metadata Contact Voice',
'organization':
'Layer Metadata Contact Organization',
'position':
'Layer Metadata Contact Position',
'addresses': [{
'address': 'street 1',
'city': 'Milan',
'country': 'Italy',
'postalCode': '10021',
'type': 'postal',
'administrativeArea': 'Lombardy'
}]
})
self.assertEqual(
info['fields'], {
'fid': {
'type': 'Integer64',
'label': 'fid',
'precision': 0,
'length': 0,
'not_null': True,
'unique': True,
'has_expression': False,
'default': 'Autogenerate',
'expression': '',
'editable': False
},
'name': {
'type': 'String',
'label': 'name',
'precision': 0,
'length': 0,
'not_null': False,
'unique': False,
'has_expression': False,
'default': '',
'expression': '',
'editable': True
}
})
