def _get_property(self, resource, prop):
url = resource.iri
url = url + ('' if url.endswith('/') else '/')
projection_url = u'{url}projection/{prop}/offset-limit/1&200'.format(
url=url, prop=prop)
resource = ResourceManager.load(projection_url)
return resource.as_json()
def load_resources_from_model(self):
model = Config.get('memo_urls')
if not model:
return
for name, iri in model.items():
resource = ResourceManager.load(iri, name)
self.load_resource(resource)
def _load_layer_from_iri(self, widget, name, iri):
try:
dummy = ResourceManager.load(iri, name)
self._load_layer_on_qgis(dummy)
widget.close()
except Exception as e:
raise
def open_operations_editor(self, name, url):
resource = ResourceManager.load(url, name)
dialog_construct_url = DialogConstructUrl(resource)
dialog_construct_url.load_url_command.connect(lambda n, i: self._load_layer_from_iri(dialog_construct_url, n, i))
dialog_construct_url.exec_()
return dialog_construct_url
def _load_empty_expects_frame(self, item):
url = self.resource.iri
url = url + ('' if url.endswith('/') else '/')
url = url + item.text()
resource = ResourceManager.load(url)
widget = FrameEmptyExpects(resource)
self._insert_in_operations_layout(widget)
def open_context_menu(self, position):
item = self.list_resource.itemAt(position)
if not item:
return
resource = ResourceManager.load(item.url(), item.name())
is_leaf_node = item.childCount() == 0
if is_leaf_node:
self.show_context_menu(item, resource, position)
else:
self.show_entry_point_menu(item, resource, position)
def _append_entry_point(self, resource, entry_point_elements, parent_item=None):
create_item = ComponentFactory.create_list_resource_element
parent_item = parent_item or create_item(resource)
parent_item.set_icon_entry_point()
for name, url in entry_point_elements.items():
new_res = ResourceManager.load(url, name)
item = create_item(new_res)
self._append(item, parent_item)
self._append(parent_item)
return parent_item
def request_sample(self, lower, upper):
url = self.resource.iri
url = url + ('' if url.endswith('/') else '/')
if self.resource.at_type() in [
FEATURE_COLLECTION_TYPE_VOCAB, COLLECTION_TYPE_VOCAB
]:
projection_url = u'{url}projection/{prop}/offset-limit/{lower}&{upper}'\
.format(url=url, prop=self._property,
lower=lower, upper=upper)
else:
# It not a Collection so offset-limit will not work
projection_url = u'{url}projection/{prop}'.format(
url=url, prop=self._property)
resource = ResourceManager.load(projection_url)
return resource.as_json()
def _itemDoubleClicked_event(self, item):
iri = item.text(1)
item_has_children = item.childCount() > 0
if item_has_children:
return
resource = ResourceManager.load(iri)
if resource.error:
MessageBox.critical(u'Link está indisponível ou fora do ar.\n {}'.format(resource.iri), u'Link indisponível')
return
# Verifica se é um entrypoint com layers ainda não carregadas
if resource.is_entry_point():
item.set_icon_entry_point()
self.add(resource, item)
self.branch_resource_double_clicked.emit(item)
return
self.leaf_resource_double_clicked.emit(item)
def add_resource(self, name, url):
resource = ResourceManager.load(url, name)
self.load_resource(resource)
Config.set('memo_urls', {name: url})