Meta / Dialog / Closable
Display a dialog having a close button, and detect when it's closed.
from h2o_wave import main, app, Q, ui
@app('/demo')
async def serve(q: Q):
if not q.client.initialized:
# Create an empty meta_card to hold the dialog
q.page['meta'] = ui.meta_card(box='')
# Display a button to launch dialog
q.page['example'] = ui.form_card(box='1 1 2 1', items=[
ui.button(name='show_dialog', label='Open dialog', primary=True)
])
q.client.initialized = True
# Was the show_dialog button clicked?
if q.args.show_dialog:
# Create a dialog with a close button
q.page['meta'].dialog = ui.dialog(
title='Hello!',
name='my_dialog',
items=[
ui.text('Click the X button to close this dialog.'),
],
# Enable a close button (displayed at the top-right of the dialog)
closable=True,
# Get notified when the dialog is dismissed.
events=['dismissed'],
)
# Did we get events from the dialog?
if q.events.my_dialog:
# Was the dialog dismissed?
if q.events.my_dialog.dismissed:
# Delete the dialog
q.page['meta'].dialog = None
await q.page.save()