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Form / Dropdown

Use dropdowns to allow users to choose between available choices.

from h2o_wave import main, app, Q, ui
choices = [    ui.choice('A', 'Option A'),    ui.choice('B', 'Option B'),    ui.choice('C', 'Option C', disabled=True),    ui.choice('D', 'Option D'),]
choices_dialog = [ui.choice(str(i), f'Option {i}') for i in range(1, 102)]

@app('/demo')async def serve(q: Q):    if q.args.show_inputs:        q.page['example'].items = [            ui.text(f'dropdown={q.args.dropdown}'),            ui.text(f'dropdown_multi={q.args.dropdown_multi}'),            ui.text(f'dropdown_disabled={q.args.dropdown_disabled}'),            ui.text(f'dropdown_dialog={q.args.dropdown_dialog}'),            ui.text(f'dropdown_popup_always={q.args.dropdown_popup_always}'),            ui.text(f'dropdown_popup_never={q.args.dropdown_popup_never}'),            ui.button(name='show_form', label='Back', primary=True),        ]    else:        q.page['example'] = ui.form_card(box='1 1 4 10', items=[            ui.dropdown(name='dropdown', label='Pick one', value='B', required=True, choices=choices),            ui.dropdown(name='dropdown_multi', label='Pick multiple', values=['B', 'D'], required=True,                        choices=choices),            ui.dropdown(name='dropdown_disabled', label='Pick one (Disabled)', value='B', choices=choices,                        disabled=True),            ui.dropdown(name='dropdown_dialog', label='Pick multiple in dialog (>100 choices)', values=['1'],                        required=True, choices=choices_dialog),            ui.dropdown(name='dropdown_popup_always', label='Always show popup even when choices < 100', value='A',                        required=True, choices=choices, popup='always'),            ui.dropdown(name='dropdown_popup_never', label='Never show popup even when choices > 100', value='1',                        required=True, choices=choices_dialog, popup='never'),            ui.button(name='show_inputs', label='Submit', primary=True),        ])    await q.page.save()

Tags: โ€‚choice โ€‚dropdown โ€‚form