PyXFlow API Inventory — Python vs Java Vaadin 25

Generated: 2026-03-05 Python components: 50+ | Tests: 2548 unit + 456 UI | LOC: ~19,200 (core)

Legend: [x] = implemented, [ ] = missing

Base Component (inherited by ALL components)

All components inherit from Component which provides:

Method	Status
`set_visible` / `is_visible`	[x]
`set_enabled` / `is_enabled`	[x]
`add_class_name` / `remove_class_name` / `has_class_name` / `get_class_names` / `set_class_name`	[x]
`set_width` / `get_width` / `set_height` / `get_height`	[x]
`set_min_width` / `get_min_width` / `set_max_width` / `get_max_width`	[x]
`set_min_height` / `get_min_height` / `set_max_height` / `get_max_height`	[x]
`set_size_full` / `set_width_full` / `set_height_full` / `set_size_undefined`	[x]
`add_theme_name` / `remove_theme_name` / `has_theme_name` / `get_theme_name` / `set_theme_name`	[x]
`set_id` / `get_id`	[x]
`set_helper_text` / `get_helper_text`	[x]
`set_tooltip_text` / `get_tooltip_text`	[x]
`focus` / `blur`	[x]
`add_click_listener` / `add_click_shortcut`	[x]
`execute_js` (deferred buffering)	[x]
`get_element` / `get_ui` / `get_style`	[x]
`set_aria_label` / `get_aria_label` (HasAriaLabel)	[x]
`set_aria_labelled_by` / `get_aria_labelled_by`	[x]
`add_focus_listener` / `add_blur_listener` (FocusNotifier/BlurNotifier)	[x]
`set_read_only` / `is_read_only` (HasReadOnly)	[x] 18 components
`remove_all` (HasComponents)	[x] 10 containers

Field Mixins (applied to 15-16 components)

Mixin	Methods	Applied to
HasReadOnly	`set_read_only` / `is_read_only`	[x] 16 field + Checkbox + ListBox + MultiSelectListBox (18 total)
HasValidation	`set_invalid` / `is_invalid` / `set_error_message` / `get_error_message`	[x] All field components except Checkbox (15)
HasRequired	`set_required_indicator_visible` / `is_required_indicator_visible`	[x] All field components including Checkbox (16)
set_value fires listeners	`set_value()` fires `{"value": ..., "from_client": False}` on server-side changes	[x] All 18 field components (matches Java `AbstractFieldSupport.setValue()`)

Missing field mixins:

Feature	Status
`set_value_change_mode` / `set_value_change_timeout`	[x] 5 text field types (TextField, TextArea, EmailField, PasswordField, NumberField)
`set_i18n` / `get_i18n` (per-component localization)	[x] 7 components (Upload, DatePicker, TimePicker, DateTimePicker, LoginForm, LoginOverlay, MessageInput)
Constructor overloads with initial value + listener	[ ]

Constants & Enums

Enum	Location	Status
34 theme variant enums (ButtonVariant, GridVariant, etc.)	`constants.py`, re-exported from component files	[x]
`ColumnTextAlign` (START, CENTER, END)	`constants.py` / `grid.py`	[x]
`Autocomplete` (~50 HTML values)	`constants.py` / `text_field.py`	[x]
`Key` (keyboard constants)	`core/keys.py`, re-exported from `core/` and `components/`	[x]
Layout enums (FlexDirection, FlexWrap, JustifyContentMode, etc.)	`constants.py` / original files	[x]
`ValueChangeMode` (EAGER, LAZY, TIMEOUT, ON_BLUR, ON_CHANGE)	`constants.py`	[x]
`SortDirection`, `SelectionMode`	`constants.py` / `grid.py`	[x]
`PopoverPosition`, `ScrollDirection`, `Orientation`	`constants.py` / component files	[x]

Layout Components

AppLayout

Feature	Status
`add_to_navbar` / `add_to_drawer` / `set_content` / `get_content`	[x]
`set_drawer_opened` / `is_drawer_opened` / `set_primary_section` / `get_primary_section`	[x]
`Section` enum (`NAVBAR`, `DRAWER`) — in `constants.py` as `AppLayoutSection`	[x]
`show_router_layout_content` / `remove_router_layout_content`	[x]
`add_to_navbar(touch_optimized, ...)`	[ ]
`is_overlay`	[ ]
`remove` / `set_i18n` / `get_i18n`	[ ]

VerticalLayout

Feature	Status
`add` / `remove` / `expand`	[x]
`set_spacing` / `set_padding` / `set_margin`	[x]
`set_default_horizontal_component_alignment`	[x]
`set_horizontal_component_alignment`	[x]
`remove_all`	[x]
`set_justify_content_mode` / `get_justify_content_mode`	[x]
`set_align_items` / `get_align_items`	[x]
`set_flex_grow` / `get_flex_grow` / `set_flex_shrink`	[x]
`add_and_expand` / `replace` / `add_component_at_index`	[x]
`set_wrap` / `is_wrap` / `set_box_sizing`	[x]
`add_theme_variants` / `remove_theme_variants` (VerticalLayoutVariant)	[x]

HorizontalLayout

Feature	Status
`add` / `remove` / `expand`	[x]
`set_spacing` / `set_margin`	[x]
`set_default_vertical_component_alignment`	[x]
`set_vertical_component_alignment`	[x]
`set_padding`	[x]
`remove_all`	[x]
`set_justify_content_mode` / `set_align_items`	[x]
`set_flex_grow` / `get_flex_grow` / `set_flex_shrink`	[x]
`add_and_expand` / `add_component_as_first` / `add_component_at_index`	[x]
`replace` / `add_component_at_index` / `set_box_sizing` / `set_wrap` / `is_wrap`	[x]
`add_theme_variants` / `remove_theme_variants` (HorizontalLayoutVariant)	[x]

FlexLayout

Feature	Status
`add` / `remove` / `expand`	[x]
`set_flex_direction` / `set_flex_wrap`	[x]
`set_justify_content_mode` / `set_align_items` / `set_align_content`	[x]
`set_align_self` / `set_flex_grow` / `set_flex_shrink` / `set_flex_basis`	[x]
`set_order` / `get_order`	[x]
`remove_all`	[x]
`replace` / `add_component_at_index`	[ ]

FormLayout

Feature	Status
`add` / `add_with_colspan` / `remove`	[x]
`set_responsive_steps` / `add_form_item` / `add_form_row`	[x]
`set_auto_responsive` / `set_auto_rows` / `set_column_width`	[x]
`set_max_columns` / `set_min_columns` / `set_expand_columns` / `set_expand_fields`	[x]
`set_labels_aside` / `set_label_width` / `set_label_spacing`	[x]
`set_column_spacing` / `set_row_spacing` / `set_colspan`	[x]
`ResponsiveStep` / `FormItem` / `FormRow` (helper classes)	[x]
FormItem: `remove_all`	[x]

SplitLayout

Feature	Status
`add_to_primary` / `add_to_secondary`	[x]
`get_primary_component` / `get_secondary_component`	[x]
`set_orientation` / `get_orientation` / `set_splitter_position` / `get_splitter_position`	[x]
`set_primary_style` / `set_secondary_style` / `remove_all`	[x]
`add_splitter_drag_end_listener`	[x]
`remove(component)`	[x]
`add_theme_variants` / `remove_theme_variants` (SplitLayoutVariant)	[x]

Scroller

Feature	Status
`add` / `set_content` / `get_content`	[x]
`set_scroll_direction` / `get_scroll_direction`	[x]
`remove_all`	[x]
`add_theme_variants` / `remove_theme_variants` (ScrollerVariant)	[x]

Card

Feature	Status
`add` / `set_title` / `get_title` / `set_subtitle` / `get_subtitle`	[x]
`set_media` / `set_header` / `set_header_prefix` / `set_header_suffix`	[x]
`add_to_footer`	[x]
`get_media` / `get_header` / `get_header_prefix` / `get_header_suffix`	[x]
`remove` / `remove_all`	[x]
`set_title_heading_level`	[ ]
`add_theme_variants` / `remove_theme_variants` (CardVariant)	[x]

Field Components

Common Field Gaps (missing across most/all fields)

Feature	Status
`set_read_only` / `is_read_only`	[x] (HasReadOnly mixin)
`set_aria_label` / `set_aria_labelled_by`	[x] (HasAriaLabel on base Component)
`add_focus_listener` / `add_blur_listener`	[x] (FocusNotifier/BlurNotifier on base Component)
`set_i18n` / `get_i18n` (localization)	[x] 7 components
`set_value_change_mode` / `set_value_change_timeout`	[x] 5 text field types

TextField

Feature	Status
`set_value` / `get_value` / `value` property	[x]
`set_label` / `get_label` / `set_placeholder` / `get_placeholder`	[x]
`set_clear_button_visible` / `set_prefix_component`	[x]
`set_pattern` / `set_allowed_char_pattern`	[x]
`set_error_message` / `get_error_message` (HasValidation)	[x]
`set_invalid` / `is_invalid` (HasValidation)	[x]
`set_required_indicator_visible` / `is_required_indicator_visible` (HasRequired)	[x]
`add_value_change_listener`	[x]
`set_max_length` / `set_min_length`	[x]
`set_suffix_component`	[x]
`set_autoselect`	[x]
`set_autocomplete` / `get_autocomplete` (Autocomplete enum)	[x]
`add_theme_variants` / `remove_theme_variants` (TextFieldVariant)	[x]

TextArea

Feature	Status
`set_value` / `get_value` / `value` property	[x]
`set_label` / `get_label` / `set_placeholder` / `get_placeholder`	[x]
`set_max_length` / `set_min_length` / `set_min_rows` / `set_max_rows`	[x]
`set_min_height` / `set_max_height`	[x]
`set_error_message` / `set_invalid` (HasValidation)	[x]
`set_required_indicator_visible` (HasRequired)	[x]
`add_value_change_listener`	[x]
`set_clear_button_visible`	[x]
`set_prefix_component` / `set_suffix_component`	[x]
`set_pattern`	[x]
`add_theme_variants` / `remove_theme_variants` (TextAreaVariant)	[x]

EmailField

Feature	Status
`set_value` / `get_value` / `value` property	[x]
`set_label` / `get_label` / `set_placeholder` / `get_placeholder`	[x]
`set_clear_button_visible` / `is_clear_button_visible`	[x]
`set_error_message` / `set_invalid` (HasValidation)	[x]
`set_required_indicator_visible` (HasRequired)	[x]
`add_value_change_listener`	[x]
`set_min_length` / `set_max_length`	[x]
`set_prefix_component` / `set_suffix_component`	[x]
`set_autocomplete` / `get_autocomplete` (Autocomplete enum)	[x]

PasswordField

Feature	Status
`set_value` / `get_value` / `value` property	[x]
`set_label` / `get_label` / `set_placeholder` / `get_placeholder`	[x]
`set_reveal_button_visible` / `is_reveal_button_visible`	[x]
`set_error_message` / `set_invalid` (HasValidation)	[x]
`set_required_indicator_visible` (HasRequired)	[x]
`add_value_change_listener`	[x]
`set_clear_button_visible`	[x]
`set_min_length` / `set_max_length`	[x]
`set_pattern` / `set_prefix_component`	[x]
`set_autocomplete` / `get_autocomplete` (Autocomplete enum)	[x]

NumberField / IntegerField

Feature	Status
`set_value` / `get_value` / `value` property	[x]
`set_label` / `get_label` / `set_placeholder` / `get_placeholder`	[x]
`set_min` / `get_min` / `set_max` / `get_max` / `set_step` / `get_step`	[x]
`set_step_buttons_visible`	[x]
`set_error_message` / `set_invalid` (HasValidation)	[x]
`set_required_indicator_visible` (HasRequired)	[x]
`add_value_change_listener`	[x]
`set_clear_button_visible`	[x]
`set_prefix_component` / `set_suffix_component`	[x]

DatePicker

Feature	Status
`set_value` / `get_value` / `value` property	[x]
`set_label` / `get_label` / `set_placeholder`	[x]
`set_min` / `set_max` / `set_required`	[x]
`set_error_message` / `set_invalid` (HasValidation)	[x]
`set_required_indicator_visible` (HasRequired)	[x]
`add_value_change_listener`	[x]
`set_clear_button_visible` / `set_auto_open`	[x]
`set_week_numbers_visible` / `set_initial_position`	[x]
`open` / `close` / `add_opened_change_listener`	[x]
`set_locale`	[ ]
`add_theme_variants` / `remove_theme_variants` (DatePickerVariant)	[x]

TimePicker

Feature	Status
`set_value` / `get_value` / `value` property	[x]
`set_label` / `get_label` / `set_placeholder`	[x]
`set_min` / `set_max` / `set_step` / `set_required`	[x]
`set_error_message` / `set_invalid` (HasValidation)	[x]
`set_required_indicator_visible` (HasRequired)	[x]
`add_value_change_listener`	[x]
`set_clear_button_visible` / `set_auto_open`	[x]
`open` / `close` / `add_opened_change_listener`	[x]
`add_theme_variants` / `remove_theme_variants` (TimePickerVariant)	[x]

DateTimePicker

Feature	Status
`set_value` / `get_value` / `value` property	[x]
`set_label` / `get_label`	[x]
`set_date_placeholder` / `set_time_placeholder`	[x]
`set_min` / `set_max` / `set_step` / `set_required`	[x]
`set_error_message` / `set_invalid` (HasValidation)	[x]
`set_required_indicator_visible` (HasRequired)	[x]
`add_value_change_listener`	[x]
`set_auto_open`	[x]
`set_week_numbers_visible`	[x]
`add_theme_variants` / `remove_theme_variants` (DateTimePickerVariant)	[x]

CustomField

Feature	Status
`add` / `set_label` / `get_label`	[x]
`set_helper_text` / `get_helper_text`	[x]
`set_value` / `get_value` / `add_value_change_listener`	[x]
`set_error_message` / `set_invalid` (HasValidation)	[x]
`set_required_indicator_visible` (HasRequired)	[x]
`remove_all`	[x]
`add_theme_variants` / `remove_theme_variants` (CustomFieldVariant)	[x]

Selection Components

ComboBox

Feature	Status
`set_items` / `get_items` / `set_value` / `get_value`	[x]
`set_label` / `get_label` / `set_placeholder`	[x]
`set_page_size` / `set_allow_custom_value` / `set_required`	[x]
`set_item_label_generator` / `set_data_provider`	[x]
`set_error_message` / `set_invalid` (HasValidation)	[x]
`set_required_indicator_visible` (HasRequired)	[x]
`add_value_change_listener` / `add_custom_value_set_listener`	[x]
`set_clear_button_visible` / `set_auto_open`	[x]
`set_class_name_generator` / `set_prefix_component` / `set_overlay_width`	[x]
`set_renderer`	[ ]
`add_theme_variants` / `remove_theme_variants` (ComboBoxVariant)	[x]

Select

Feature	Status
`set_items` / `get_items` / `set_value` / `get_value`	[x]
`set_label` / `get_label` / `set_placeholder` / `get_placeholder`	[x]
`set_item_label_generator` / `add_value_change_listener`	[x]
`set_error_message` / `set_invalid` (HasValidation)	[x]
`set_required_indicator_visible` (HasRequired)	[x]
`set_empty_selection_allowed` / `set_empty_selection_caption`	[x]
`set_renderer` / `set_item_enabled_provider`	[ ]
`set_prefix_component` / `set_overlay_width`	[x]
`add_theme_variants` / `remove_theme_variants` (SelectVariant)	[x]

MultiSelectComboBox

Feature	Status
`set_items` / `get_items` / `set_value` / `get_value`	[x]
`select` / `deselect`	[x]
`set_label` / `get_label` / `set_placeholder` / `set_page_size`	[x]
`set_required` / `set_item_label_generator` / `set_data_provider`	[x]
`set_error_message` / `set_invalid` (HasValidation)	[x]
`set_required_indicator_visible` (HasRequired)	[x]
`add_value_change_listener`	[x]
`set_clear_button_visible` / `set_auto_open`	[x]
`deselect_all`	[x]
`set_auto_expand` / `set_selected_items_on_top` / `set_keep_filter`	[x]
`set_allow_custom_value`	[x]
`set_renderer`	[ ]
`add_theme_variants` / `remove_theme_variants` (MultiSelectComboBoxVariant)	[x]

ListBox

Feature	Status
`set_items` / `get_items` / `set_value` / `get_value`	[x]
`set_item_label_generator` / `set_item_enabled_provider`	[x]
`add_value_change_listener`	[x]
`set_renderer` / `add_components` (dividers)	[ ]

MultiSelectListBox

Feature	Status
`set_items` / `get_items` / `set_value` / `get_value`	[x]
`set_item_label_generator` / `set_item_enabled_provider`	[x]
`add_value_change_listener`	[x]
`select` / `deselect` / `deselect_all`	[x]
`set_renderer` / `add_components` (dividers)	[ ]

Checkbox

Feature	Status
`set_checked` / `is_checked` / `set_value` / `get_value` / `value` property	[x]
`set_label` / `get_label`	[x]
`set_indeterminate` / `is_indeterminate`	[x]
`set_required_indicator_visible` (HasRequired)	[x]
`add_value_change_listener`	[x]
`set_label_component` / `set_autofocus`	[ ]
`add_theme_variants` / `remove_theme_variants` (CheckboxVariant)	[x]

CheckboxGroup

Feature	Status
`set_items` / `get_items` / `set_value` / `get_value`	[x]
`set_label` / `get_label` / `set_item_label_generator`	[x]
`set_error_message` / `set_invalid` (HasValidation)	[x]
`set_required_indicator_visible` (HasRequired)	[x]
`add_value_change_listener`	[x]
`select` / `deselect` / `deselect_all`	[x]
`set_item_enabled_provider` / `set_renderer`	[ ]
`add_theme_variants` / `remove_theme_variants` (CheckboxGroupVariant)	[x]

RadioButtonGroup

Feature	Status
`set_items` / `get_items` / `set_value` / `get_value`	[x]
`set_label` / `get_label` / `set_item_label_generator`	[x]
`set_error_message` / `set_invalid` (HasValidation)	[x]
`set_required_indicator_visible` (HasRequired)	[x]
`add_value_change_listener`	[x]
`set_item_enabled_provider` / `set_renderer`	[ ]
`add_theme_variants` / `remove_theme_variants` (RadioGroupVariant)	[x]

Complex Components

Grid

Feature	Status
`add_column` (property / Renderer) / `set_columns` / `columns` property	[x]
`set_items` / `get_items` / `set_data_provider`	[x]
`set_page_size` / `set_column_reordering_allowed` / `set_multi_sort`	[x]
`set_sort_order` / `add_sort_listener`	[x]
`set_selection_mode` / `get_selected_items` / `select_all` / `deselect_all`	[x]
`select` / `deselect` (@ClientCallable)	[x]
`add_selection_listener`	[x]
`prepend_header_row` / `append_header_row` / `HeaderRow.join` → ColumnGroup	[x]
Column: `set_header` / `get_header` / `set_width` / `set_flex_grow`	[x]
Column: `set_auto_width` / `set_resizable` / `set_sortable` / `set_text_align`	[x]
Column: `set_renderer` / `set_footer_text`	[x]
Column: `set_frozen` / `set_frozen_to_end` / `set_visible` / `set_key`	[x]
`get_column_by_key`	[x]
`set_all_rows_visible`	[x]
`ComponentRenderer` / `LitRenderer` / `TextRenderer`	[x]
`add_item_click_listener` / `add_item_double_click_listener`	[x]
`add_component_column` (shortcut)	[ ]
`scroll_to_index` / `scroll_to_item` / `recalculate_column_widths`	[x]
`remove_column` / `remove_all_columns`	[x]
`set_details_visible_on_click`	[x]
`append_footer_row` / `get_header_rows`	[x]
`set_rows_draggable` / `set_drop_mode` (GridDropMode)	[x]
`set_empty_state_text` / `set_empty_state_component`	[x]
`set_item_details_renderer`	[ ]
Editor API (`get_editor`, `EditorImpl`: `set_binder`/`set_buffered`/`edit_item`/`save`/`cancel`/`close_editor`/`is_open`/`refresh`, open/close/save/cancel listeners)	[x]
Column: `set_editor_component` / `get_editor_component`	[x]
Drag/drop listeners (drag-start, drag-end, drop)	[ ]
`add_theme_variants` / `remove_theme_variants` (GridVariant)	[x]

Dialog

Feature	Status
`add` / `open` / `close` / `is_opened` / `set_opened`	[x]
`set_modal` / `is_modal` / `set_draggable` / `is_draggable`	[x]
`set_resizable` / `is_resizable`	[x]
`set_header_title` / `get_header_title`	[x]
`set_width` / `get_width` / `set_height` / `get_height`	[x]
`set_close_on_esc` / `is_close_on_esc` / `set_close_on_outside_click` / `is_close_on_outside_click`	[x]
`add_open_listener` / `add_close_listener`	[x]
`get_header` / `get_footer` (section components for buttons)	[x]
`remove` / `remove_all`	[x]
`set_min_width` / `set_max_width` / `set_min_height` / `set_max_height` (overlay JS)	[x]
`set_top` / `set_left` (positioning)	[x]
`add_resize_listener` / `add_dragged_listener`	[x]
`add_theme_variants` / `remove_theme_variants` (DialogVariant)	[x]

ConfirmDialog

Feature	Status
`open` / `close` / `is_opened`	[x]
`set_header` / `get_header` / `set_text` / `get_text`	[x]
`set_confirm_text` / `get_confirm_text` / `set_confirm_button_theme`	[x]
`set_cancelable` / `is_cancelable` / `set_cancel_text` / `set_cancel_button_theme`	[x]
`set_rejectable` / `is_rejectable` / `set_reject_text` / `set_reject_button_theme`	[x]
`add_confirm_listener` / `add_cancel_listener` / `add_reject_listener`	[x]
`set_close_on_esc`	[x]
Rich content (Component in header/text)	[ ]
`add_opened_change_listener`	[ ]
`add_theme_variants` / `remove_theme_variants` (DialogVariant)	[x]

Notification

Feature	Status
`open` / `close` / `is_opened` / `set_opened`	[x]
`text` / `duration` / `position` / `assertive` (properties)	[x]
`add` (component content) / `show` (static)	[x]
`add_theme_variants` / `remove_theme_variants`	[x]
`add_open_listener` / `add_close_listener`	[x]
`remove` / `remove_all`	[x]

Upload

Feature	Status
`set_receiver` / `set_max_files` / `get_max_files`	[x]
`set_max_file_size` / `get_max_file_size`	[x]
`set_auto_upload` / `is_auto_upload` / `set_drop_allowed` / `is_drop_allowed`	[x]
`set_accepted_file_types` / `get_accepted_file_types`	[x]
`add_succeeded_listener` / `add_failed_listener`	[x]
`add_file_rejected_listener` / `add_file_removed_listener`	[x]
`set_upload_button` / `set_drop_label` / `set_drop_label_icon`	[x]
`clear_file_list`	[x]
`interrupt_upload`	[ ]
`set_i18n`	[x]
progress / started / all-finished listeners	[ ]
`add_theme_variants` / `remove_theme_variants` (UploadVariant)	[x]

LoginForm

Feature	Status
`add_login_listener` / `add_forgot_password_listener`	[x]
`set_error` / `is_error`	[x]
`set_forgot_password_button_visible` / `set_no_autofocus` / `set_action`	[x]
`set_i18n`	[x]
`set_enabled`	[ ]

LoginOverlay

Feature	Status
`open` / `close` / `is_opened`	[x]
`set_title` / `get_title` / `set_description` / `get_description`	[x]
`set_error` / `is_error` / `set_forgot_password_button_visible`	[x]
`add_login_listener` / `add_forgot_password_listener`	[x]
`set_i18n`	[x]
`set_action` / `set_no_autofocus`	[ ]
`get_custom_form_area` / `get_footer`	[ ]

Popover

Feature	Status
`add` / `open` / `close` / `is_opened` / `set_opened`	[x]
`set_target` / `get_target` / `set_position` / `get_position`	[x]
`set_modal` / `is_modal`	[x]
`set_open_on_click` / `set_open_on_hover` / `set_open_on_focus`	[x]
`is_open_on_click` / `is_open_on_hover` / `is_open_on_focus`	[x]
`set_close_on_esc` / `is_close_on_esc`	[x]
`set_close_on_outside_click` / `is_close_on_outside_click`	[x]
`add_open_listener` / `add_close_listener`	[x]
`set_autofocus`	[x]
`set_hover_delay` / `set_focus_delay` / `set_hide_delay`	[x]
`remove` / `remove_all`	[x]
`add_theme_variants` / `remove_theme_variants` (PopoverVariant)	[x]
`set_role` / `set_backdrop_visible`	[ ]

Navigation & Display Components

Tabs

Feature	Status
`add` / `remove`	[x]
`get_selected_tab` / `set_selected_tab` / `get_selected_index` / `set_selected_index`	[x]
`get_tab_count` / `set_orientation` / `get_orientation`	[x]
`set_autoselect` / `is_autoselect` / `add_selected_change_listener`	[x]
`remove_all`	[x]
`add_tab_at_index` / `add_tab_as_first`	[ ]
`set_flex_grow_for_enclosed_tabs`	[ ]
`add_theme_variants` / `remove_theme_variants` (TabsVariant)	[x]

Tab

Feature	Status
`set_label` / `get_label` / `is_selected`	[x]
`set_selected` / `set_flex_grow`	[x]
`set_enabled`	[ ]
`add_theme_variants` / `remove_theme_variants` (TabVariant)	[x]

TabSheet

Feature	Status
`add(label_or_tab, content)` / `remove(tab)`	[x]
`get_selected_tab` / `set_selected_tab` / `get_selected_index` / `set_selected_index`	[x]
`add_selected_change_listener`	[x]
`get_tab_count` / `get_tab_at` / `get_index_of`	[x]
`get_tab(content)` / `get_component(tab)`	[ ]
`set_prefix_component` (HasPrefix)	[ ]
`add_theme_variants` / `remove_theme_variants` (TabSheetVariant)	[x]

SideNav

Feature	Status
`add_item` / `set_label` / `get_label` / `set_collapsible` / `is_collapsible`	[x]
`is_expanded` / `set_expanded`	[x]
`get_items` / `remove` / `remove_all`	[x]
`set_auto_expand` / `is_auto_expand`	[ ]
`add_theme_variants` / `remove_theme_variants` (SideNavVariant)	[x]

SideNavItem

Feature	Status
`add_item` / `set_path` / `get_path` / `set_label` / `get_label`	[x]
`set_expanded` / `is_expanded` / `set_prefix_component`	[x]
`get_items` / `remove` / `remove_all`	[x]
`set_match_nested` / `set_router_ignore`	[ ]
`set_suffix_component`	[ ]

Details

Feature	Status
`set_summary_text` / `get_summary_text` / `set_summary`	[x]
`set_opened` / `is_opened` / `add_content`	[x]
`add_opened_change_listener`	[x]
`get_summary` (Component) / `get_content`	[x]
`remove` / `remove_all`	[x]
`add_component_at_index`	[ ]
`add_theme_variants` / `remove_theme_variants` (DetailsVariant)	[x]

Accordion

Feature	Status
`add(summary, content)` / `open(index)` / `close`	[x]
`get_opened_index` / `get_opened_panel` / `get_panels`	[x]
`add_opened_change_listener`	[x]
`add(AccordionPanel)` / `remove(panel)` / `open(panel)`	[x]
`add_theme_variants` / `remove_theme_variants` (DetailsVariant)	[x]

MenuBar

Feature	Status
`add_item(text, listener)` / `get_items`	[x]
`set_open_on_hover` / `is_open_on_hover`	[x]
MenuItem: `get_sub_menu` / `set_enabled` / `set_text` / `set_checkable` / `set_checked`	[x]
MenuItem: `is_parent_item` / `add_click_listener`	[x]
`remove` / `remove_all`	[x]
`add_item(Component)` / `close`	[ ]
MenuItem: `set_keep_open` / `set_disable_on_click` / `set_aria_label`	[x]
SubMenu: `add_separator` / `remove` / `remove_all`	[x]
`add_theme_variants` / `remove_theme_variants` (MenuBarVariant)	[x]

ContextMenu

Feature	Status
`add_item(text, listener)` / `add_separator` / `get_items`	[x]
`set_target` / `get_target` / `set_open_on_click` / `is_open_on_click`	[x]
ContextMenuItem: `get_sub_menu` / `set_text` / `set_enabled` / `set_checkable` / `set_checked`	[x]
ContextSubMenu: `add_item` / `add_separator` / `get_items`	[x]
`is_opened`	[x]
`remove` / `remove_all`	[x]
`add_item(Component)`	[ ]
`add_opened_change_listener`	[ ]

MasterDetailLayout

Feature	Status
`set_master` / `get_master` / `set_detail` / `get_detail`	[x]
`set_detail_size` / `get_detail_size` / `set_master_min_size` / `get_master_min_size`	[x]
`set_detail_min_size`	[x]
`set_animation_enabled` / `is_animation_enabled`	[x]
`set_overlay_mode` / `set_force_overlay`	[x]
`set_orientation` / `get_orientation`	[x]
`set_containment`	[x]
`add_backdrop_click_listener` / `add_detail_escape_press_listener`	[x]
`add_theme_variants` / `remove_theme_variants` (MasterDetailLayoutVariant)	[x]

Other Components

Button

Feature	Status
`set_text` / `get_text` / `set_icon`	[x]
`set_icon_after_text` / `is_icon_after_text`	[x]
`add_click_listener`	[x]
`set_disable_on_click` / `is_disable_on_click`	[x]
`set_autofocus` / `is_autofocus`	[x]
`click` (server-side) / `click_in_client`	[ ]
`add_theme_variants` / `remove_theme_variants` (ButtonVariant)	[x]

Icon

Feature	Status
`set_icon` / `get_icon` / `set_color` / `get_color` / `set_size`	[x]
`set_icon(collection, icon)` / `get_collection`	[ ]

Span (100% complete)

Feature	Status
`set_text` / `get_text`	[x]

Avatar

Feature	Status
`set_name` / `get_name` / `set_abbreviation` / `get_abbreviation`	[x]
`set_image` / `get_image` / `set_color_index` / `get_color_index`	[x]
AvatarGroup: `set_items` / `get_items` / `set_max_items_visible` / `get_max_items_visible`	[x]
`set_image_handler` / `set_i18n`	[ ]
`add_theme_variants` / `remove_theme_variants` (AvatarVariant)	[x]

ProgressBar (100% complete)

Feature	Status
`set_value` / `get_value` / `set_min` / `get_min` / `set_max` / `get_max`	[x]
`set_indeterminate` / `is_indeterminate`	[x]
`add_theme_variants` / `remove_theme_variants` (ProgressBarVariant)	[x]

MessageInput

Feature	Status
`add_submit_listener`	[x]
`set_i18n`	[x]
`add_theme_variants` / `remove_theme_variants` (MessageInputVariant)	[x]

MessageList (100% complete)

Feature	Status
`set_items` / `get_items` / `add_item` / `append` / `set_markdown` / `is_markdown`	[x]
MessageListItem: text, time, userName, userAbbr, userImg, userColorIndex, theme	[x]

VirtualList

Feature	Status
`set_items` / `get_items` / `set_renderer`	[x]
`set_data_provider` (lazy loading)	[ ]
`add_theme_variants` / `remove_theme_variants` (VirtualListVariant)	[x]

Markdown (100% complete)

Feature	Status
`set_content` / `get_content` / `append_content`	[x]

RouterLink

Feature	Status
`set_text` / `get_text` / `set_href` / `get_href`	[x]
`set_route(view_class)` / `set_query_parameters`	[ ]

DrawerToggle (inherits Button — 100%)

Feature	Status
Inherits all from Button	[x]

HTML Components

Feature	Status
H1, H2, H3, H4, H5, H6, Paragraph, Div, Span, Header, Footer	[x]
Pre, NativeLabel, Hr	[x]
Anchor (href, target) / IFrame (src)	[x]
Section, Nav, Main, Article, Aside	[x]
Image	[x]

Renderer

Feature	Status
LitRenderer (`of`, `with_property`, `with_function`)	[x]
TextRenderer / ComponentRenderer	[x]
NumberRenderer / LocalDateRenderer / LocalDateTimeRenderer	[ ]
NativeButtonRenderer / IconRenderer	[ ]

Server Utilities

Request / Response Context

Feature	Status
`Request.get_current()` — get current HTTP request (via `contextvars`)	[x]
`Request.get_cookie` / `get_cookies`	[x]
`Request.get_header` / `get_headers`	[x]
`Request.get_remote_address`	[x]
`Request.is_secure`	[x]
`Response.get_current()` — get current response (via `contextvars`)	[x]
`Response.add_cookie` (name, value, max_age, path, domain, secure, httponly, samesite)	[x]
`Response.set_header`	[x]
Available in `handle_init` and `handle_uidl` request cycles	[x]

Data Layer

Binder

Feature	Status
`for_field` / `read_bean` / `write_bean` / `write_bean_if_valid`	[x]
`set_bean` / `get_bean` / `is_valid` / `validate` / `is_dirty`	[x]
`with_validator` (bean-level cross-field validation)	[x]
`add_status_change_listener`	[x]
BindingBuilder: `as_required` / `with_validator` / `with_converter` / `bind`	[x]
Binding: `clear` / `read` / `validate` / `write`	[x]
Validators (StringLength, Email, Regex, Range, Custom)	[x]
Converters (StringToInteger, StringToDouble)	[x]
`remove_binding` / `remove_bean`	[x]

DataProvider

Feature	Status
`ListDataProvider` (in-memory)	[x]
`CallbackDataProvider` (lazy)	[x]
Filtering / sorting callbacks	[x]
`ConfigurableFilterDataProvider`	[ ]

Events Inventory

Implemented Events

Component	Event	Listener Method
All components	focus / blur	`add_focus_listener` / `add_blur_listener`
Button	click	`add_click_listener`
TextField	value-change	`add_value_change_listener`
TextArea	value-change	`add_value_change_listener`
EmailField	value-change	`add_value_change_listener`
PasswordField	value-change	`add_value_change_listener`
NumberField / IntegerField	value-change	`add_value_change_listener`
DatePicker	value-change	`add_value_change_listener`
TimePicker	value-change	`add_value_change_listener`
DateTimePicker	value-change	`add_value_change_listener`
CustomField	value-change	`add_value_change_listener`
ComboBox	value-change, custom-value-set	`add_value_change_listener`, `add_custom_value_set_listener`
Select	value-change	`add_value_change_listener`
MultiSelectComboBox	value-change	`add_value_change_listener`
ListBox	value-change	`add_value_change_listener`
MultiSelectListBox	value-change	`add_value_change_listener`
Checkbox	value-change	`add_value_change_listener`
CheckboxGroup	value-change	`add_value_change_listener`
RadioButtonGroup	value-change	`add_value_change_listener`
Grid	selection-change, sort-change	`add_selection_listener`, `add_sort_listener`
Dialog	opened-changed	`add_open_listener` / `add_close_listener`
ConfirmDialog	confirm, cancel, reject	`add_confirm_listener` / `add_cancel_listener` / `add_reject_listener`
Notification	opened-changed	`add_open_listener` / `add_close_listener`
Upload	success, error, file-reject, file-remove	4 listeners
LoginForm / LoginOverlay	login, forgot-password	`add_login_listener` / `add_forgot_password_listener`
Popover	opened-changed	`add_open_listener` / `add_close_listener`
Tabs / TabSheet	selected-changed	`add_selected_change_listener`
Details / Accordion	opened-changed	`add_opened_change_listener`
SplitLayout	splitter-dragend	`add_splitter_drag_end_listener`
MenuBar	item-click	via MenuItem `add_click_listener`
ContextMenu	item-click	via ContextMenuItem click handler
MessageInput	submit	`add_submit_listener`
Grid	item-click	`add_item_click_listener`
Grid	item-double-click	`add_item_double_click_listener`
MasterDetailLayout	backdrop-click, detail-escape-press	`add_backdrop_click_listener` / `add_detail_escape_press_listener`
Dialog	resize, dragged	`add_resize_listener` / `add_dragged_listener`
DatePicker	opened-changed	`add_opened_change_listener`
TimePicker	opened-changed	`add_opened_change_listener`
ConfirmDialog	opened-changed	`add_opened_change_listener`

Missing Events

HIGH Priority

(None — all high-priority events implemented)

MEDIUM Priority

Component	Missing Event	Notes
Text fields	key-down	`addKeyDownListener` — Enter-to-submit
ComboBox/Select	opened-changed	Overlay open/close tracking
Upload	started / progress	Custom progress indicators
ConfirmDialog/ContextMenu	opened-changed	Lifecycle tracking
Grid	column-resize	Persist column widths
MultiSelectComboBox	selection-change	Granular selection info

LOW Priority

Component	Missing Event	Notes
Grid	cell-focus / column-reorder / drag-drop	Rarely needed

Summary by Completeness

Category	Components	Count
100%	ProgressBar, Span, Markdown, MessageList, DrawerToggle, Scroller, MasterDetailLayout, Accordion, Notification, MessageInput	10
90-99%	FormLayout, SplitLayout, FlexLayout, ConfirmDialog, Avatar, LoginForm, Popover, Details, CustomField, Card, Icon, Tabs, Tab, TabSheet, Dialog, Grid, Button, TextField, TextArea, EmailField, PasswordField, NumberField, DatePicker, TimePicker, DateTimePicker, ComboBox, MultiSelectComboBox, CheckboxGroup, MultiSelectListBox, Upload, MenuBar, ContextMenu, SideNav, SideNavItem, Binder, VerticalLayout, HorizontalLayout, Select	37
70-89%	Checkbox, RadioButtonGroup, ListBox, VirtualList, AppLayout, LoginOverlay	6
50-69%	RouterLink	1

Menu & Navigation Utilities (`menu.py` / `router.py`)

Feature	Status
`@Menu(title, order, icon, exclude)` decorator	[x]
`@PageTitle("...")` decorator	[x]
`@Route(page_title="...")` param	[x]
`get_menu_entries()` — sorted, filtered menu entries	[x]
`get_page_header(view)` — resolve title (dynamic > @PageTitle > class name)	[x]
`QueryParameters` — immutable multidict for URL query params	[x]
`RouteParameters` — typed path param access (get, get_integer, get_wildcard)	[x]
`Location` — path + query params	[x]
`BeforeEnterEvent` — full navigation context, dict-compatible	[x]
Wildcard route params (`:path*`)	[x]
Mid-position optional params (`:id?` anywhere)	[x]
`AfterNavigationObserver` / `after_navigation(event)` listener	[ ]

Remaining Priority Gaps

All 5 previous priority gaps have been implemented:

~~set_i18n~~ — [x] 7 components
~~set_value_change_mode~~ — [x] 5 text field types
~~Layout operations~~ — [x] get_flex_grow, add_and_expand, replace, add_component_at_index, set_wrap, set_box_sizing
~~Select set_empty_selection_allowed~~ — [x] creates actual empty item node
~~Layout flex control~~ — [x] set_flex_grow, get_flex_grow, set_flex_shrink

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