import os
import omni.ui as ui
from omni.kit.window.filepicker import FilePickerDialog
from omni.kit.widget.filebrowser import FileBrowserItem
# BEGIN-DOC-options_pane
def options_pane_build_fn(selected_items):
with ui.CollapsableFrame("Reference Options"):
with ui.HStack(height=0, spacing=2):
ui.Label("Prim Path", width=0)
return True
# END-DOC-options_pane
# BEGIN-DOC-filter
def on_filter_item(dialog: FilePickerDialog, item: FileBrowserItem) -> bool:
if not item or item.is_folder:
return True
if dialog.current_filter_option == 0:
# Show only files with listed extensions
_, ext = os.path.splitext(item.path)
if ext in [".usd", ".usda", ".usdc", ".usdz"]:
return True
else:
return False
else:
# Show All Files (*)
return True
# END-DOC-filter
# BEGIN-DOC-click_open
def on_click_open(dialog: FilePickerDialog, filename: str, dirname: str):
"""
The meat of the App is done in this callback when the user clicks 'Accept'. This is
a potentially costly operation so we implement it as an async operation. The inputs
are the filename and directory name. Together they form the fullpath to the selected
file.
"""
# Normally, you'd want to hide the dialog
# dialog.hide()
dirname = dirname.strip()
if dirname and not dirname.endswith("/"):
dirname += "/"
fullpath = f"{dirname}{filename}"
print(f"Opened file '{fullpath}'.")
# END-DOC-click_open
if __name__ == "__main__":
item_filter_options = ["USD Files (*.usd, *.usda, *.usdc, *.usdz)", "All Files (*)"]
dialog = FilePickerDialog(
"Demo Filepicker",
apply_button_label="Open",
click_apply_handler=lambda filename, dirname: on_click_open(dialog, filename, dirname),
item_filter_options=item_filter_options,
item_filter_fn=lambda item: on_filter_item(dialog, item),
options_pane_build_fn=options_pane_build_fn,
)
dialog.add_connections({"ov-content": "omniverse://ov-content", "ov-rc": "omniverse://ov-rc"})
# Display dialog at pre-determined path
dialog.show(path="omniverse://ov-content/NVIDIA/Samples/Astronaut/Astronaut.usd")
