def load_case(load_path: str) -> "Case":
""" Loads a case from the given folder and returns its Case data. """
refocus_cwd()
project_folder_path = path.dirname(load_path)
freecad_document_file_path = path.abspath("{}/DSPH_Case.FCStd".format(project_folder_path))
if not path.isfile(freecad_document_file_path):
error_dialog(__("DSPH_Case.FCStd file could not be found. Please check if the project was moved or the file was renamed."))
return None
if document_count() and not prompt_close_all_documents():
return None
FreeCAD.open(project_folder_path + "/DSPH_Case.FCStd")
with open(load_path, "rb") as load_picklefile:
try:
loaded_data = pickle.load(load_picklefile)
if not loaded_data.version:
warning_dialog(__("The case data you're trying to load is older than version 0.6 and cannot be loaded."))
prompt_close_all_documents(prompt=False)
return None
if loaded_data.version < VERSION:
warning_dialog(__("The case data you are loading is from a previous version ({}) of this software. They may be missing features or errors.").format(loaded_data.version))
elif loaded_data.version > VERSION:
warning_dialog(__("You're loading a case data from a future version ({}) of this software. You should upgrade DesignSPHysics as they may be errors using this file.").format(loaded_data.version))
return loaded_data
except AttributeError:
error_dialog(__("There was an error opening the case. Case Data file seems to be corrupted."))
return None
def on_new_case(self, prompt=True):
""" Defines what happens when new case is clicked. Closes all documents
if possible and creates a FreeCAD document with Case Limits object. """
if document_count() and not prompt_close_all_documents(prompt):
return
create_dsph_document()
Case.the().reset()
Case.the().add_object(
SimulationObject(CASE_LIMITS_OBJ_NAME, -1, ObjectType.SPECIAL,
ObjectFillMode.SPECIAL))
self.case_created.emit()
self.update_dp.emit()
self.need_refresh.emit()
def on_new_from_freecad_document(self, prompt=True):
""" Creates a new case based on an existing FreeCAD document.
This is specially useful for CAD users that want to use existing geometry for DesignSPHysics. """
file_name, _ = QtGui.QFileDialog().getOpenFileName(
get_fc_main_window(), "Select document to import",
Case.the().info.last_used_directory)
Case.the().info.update_last_used_directory(file_name)
if file_name and document_count(
) and not prompt_close_all_documents(prompt):
return
create_dsph_document_from_fcstd(file_name)
Case.the().reset()
# Case.the().add_object_to_sim(SimulationObject(CASE_LIMITS_OBJ_NAME, -1, ObjectType.SPECIAL, ObjectFillMode.SPECIAL))
self.update_dp.emit()
self.case_created.emit()
self.need_refresh.emit()
def boot():
""" Boots the application. """
print_license()
check_compatibility()
try:
master_branch_version = str(
urlopen(GITHUB_MASTER_CONSTANTS_URL).read()).split(
"VERSION = \"")[-1].split("\"")[0]
if VERSION < master_branch_version and NOTIFY_ON_OUTDATED_VERSION:
info_dialog(
__("Your version of DesignSPHyiscs is outdated. Please go to the Addon Manager and update it. New versions include bug fixes, new features and new DualSPHysics executables, among other things."
),
__("The version you're using is {} while the version that you can update to is {}"
).format(VERSION, master_branch_version))
except URLError:
log("No network connection or Git repo is down. Skipping version check."
)
if document_count() > 0:
success = prompt_close_all_documents()
if not success:
debug(
"User chose not to close the currently opened documents. Aborting startup"
)
quit()
# Tries to delete docks created by a previous execution of DesignSPHysics
delete_existing_docks()
designsphysics_dock = DesignSPHysicsDock(get_fc_main_window())
properties_widget = PropertiesDockWidget(parent=get_fc_main_window())
get_fc_main_window().addDockWidget(QtCore.Qt.RightDockWidgetArea,
designsphysics_dock)
get_fc_main_window().addDockWidget(QtCore.Qt.LeftDockWidgetArea,
properties_widget)
# Subscribe the FreeCAD Objects tree to the item selection change function.
# This helps FreeCAD notify DesignSPHysics for the deleted and changed objects to get updated correctly.
fc_object_tree: QtGui.QTreeWidget = get_fc_main_window().findChildren(
QtGui.QSplitter)[0].findChildren(QtGui.QTreeWidget)[0]
fc_object_tree.itemSelectionChanged.connect(
lambda p=properties_widget, d=designsphysics_dock:
on_tree_item_selection_change(p, d))
debug(
"Subscribing selection change monitor handler to freecad object tree item changed."
)
properties_widget.need_refresh.connect(
lambda p=properties_widget, d=designsphysics_dock:
on_tree_item_selection_change(p, d))
designsphysics_dock.need_refresh.connect(
lambda p=properties_widget, d=designsphysics_dock:
on_tree_item_selection_change(p, d))
# Launch a monitor thread that ensures some things are not changed.
monitor_thread = threading.Thread(
target=lambda p=properties_widget, d=designsphysics_dock:
selection_monitor(p, d))
monitor_thread.start()
FreeCADGui.activateWorkbench(DEFAULT_WORKBENCH)
log(__("Initialization finished for {} v{}").format(APP_NAME, VERSION))