Angular Stepper API
A Stepper is a UI component that displays progress as a user moves through a sequence of steps.
Properties
| Name | Description | 
|---|---|
| accessKey | Specifies the shortcut key that sets focus on the UI component. | 
| activeStateEnabled | Specifies whether Stepper changes its appearance when in the active state (when an end user interacts with it). | 
| dataSource | Binds the UI component to data. | 
| disabled | Specifies whether the UI component responds to user interaction. | 
| elementAttr | Specifies the global attributes to be attached to the UI component's container element. | 
| focusStateEnabled | Specifies whether the UI component can be focused using keyboard navigation. | 
| height | Specifies the UI component's height. | 
| hint | Specifies text for a hint that appears when a user pauses on the UI component. | 
| hoverStateEnabled | Specifies whether the UI component changes its appearance when a user hovers over it. | 
| itemComponent | An alias for the itemTemplate property specified in React. Accepts a custom component. Refer to Using a Custom Component for more information. | 
| itemRender | An alias for the itemTemplate property specified in React. Accepts a rendering function. Refer to Using a Rendering Function for more information. | 
| items | An array of items (steps) displayed by the Stepper component. | 
| itemTemplate | Specifies a custom template for items. | 
| linear | Specifies a navigation mode (linear/non-linear). | 
| onDisposing | A function that is executed before the UI component is disposed of. | 
| onInitialized | A function that fires when the component finishes its initialization. | 
| onItemClick | A function that is executed when an item (step) is clicked or tapped. | 
| onItemContextMenu | A function that is executed when an item (step) is right-clicked or long-pressed. | 
| onItemRendered | A function that is executed after an item (step) is rendered. | 
| onOptionChanged | A function that is executed after a UI component property is changed. | 
| onSelectionChanged | A function that is executed when an item (step) is selected or the selection is canceled. | 
| onSelectionChanging | A function that is called before selection changes. | 
| orientation | Specifies the Stepper orientation. | 
| rtlEnabled | Switches the UI component to a right-to-left representation. | 
| selectedIndex | The index of the currently selected UI component item. | 
| selectedItem | The selected item object. | 
| selectOnFocus | Specifies if items are selected automatically when focused by keyboard. | 
| tabIndex | Specifies the number of the element when the Tab key is used for navigating. | 
| visible | Specifies whether the UI component is visible. | 
| width | Specifies the UI component's width. | 
Methods
This section describes members used to manipulate the UI component.
| Name | Description | 
|---|---|
| beginUpdate() | Postpones rendering that can negatively affect performance until the endUpdate() method is called. | 
| defaultOptions(rule) | Specifies the device-dependent default configuration properties for this component. | 
| dispose() | Disposes of all the resources allocated to the Stepper instance. | 
| element() | Gets the root UI component element. | 
| endUpdate() | Refreshes the UI component after a call of the beginUpdate() method. | 
| focus() | Sets focus on the UI component. | 
| getDataSource() | Gets the DataSource instance. | 
| getInstance(element) | Gets the instance of a UI component found using its DOM node. | 
| instance() | Gets the UI component's instance. Use it to access other methods of the UI component. | 
| off(eventName) | Detaches all event handlers from a single event. | 
| off(eventName, eventHandler) | Detaches a particular event handler from a single event. | 
| on(eventName, eventHandler) | Subscribes to an event. | 
| on(events) | Subscribes to events. | 
| option() | Gets all UI component properties. | 
| option(optionName) | Gets the value of a single property. | 
| option(optionName, optionValue) | Updates the value of a single property. | 
| option(options) | Updates the values of several properties. | 
| registerKeyHandler(key, handler) | Registers a handler to be executed when a user presses a specific key. | 
| repaint() | Renders the component again without reloading data. Use the method to update the component's markup and appearance dynamically. | 
| resetOption(optionName) | Resets a property to its default value. | 
Events
This section describes events fired by this UI component.
| Name | Description | 
|---|---|
| disposing | Raised before the UI component is disposed of. | 
| initialized | Raised only once, after the UI component is initialized. | 
| itemClick | Raised when a collection item is clicked or tapped. | 
| itemContextMenu | Raised when a collection item is right-clicked or pressed. | 
| itemRendered | Raised after a collection item is rendered. | 
| optionChanged | Raised after a UI component property is changed. | 
| selectionChanged | Raised after selection changes. | 
| selectionChanging | Raised before selection changes. | 
See Also
Types
| Name | Description | 
|---|---|
| DisposingEvent | The argument type in the disposing event. | 
| InitializedEvent | The argument type in the initialized event. | 
| ItemClickEvent | The argument type in the itemClick event. | 
| ItemContextMenuEvent | The argument type in the itemContextMenu event. | 
| ItemRenderedEvent | The argument type in the itemRendered event. | 
| OptionChangedEvent | The argument type in the optionChanged event. | 
| SelectionChangedEvent | The argument type in the selectionChanged event. | 
| SelectionChangingEvent | The argument type in the selectionChanging event. | 
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