Angular ButtonGroup API
The ButtonGroup is a UI component that contains a set of toggle buttons and can be used as a mode switcher.
Properties
This section describes properties that configure the ButtonGroup UI component's contents, behavior and appearance.
Name | Description |
---|---|
accessKey |
Specifies the shortcut key that sets focus on the UI component. |
activeStateEnabled |
Specifies whether the UI component changes its state as a result of user interaction. |
buttonComponent |
An alias for the buttonTemplate property specified in React. Accepts a custom component. Refer to Using a Custom Component for more information. |
buttonRender |
An alias for the buttonTemplate property specified in React. Accepts a rendering function. Refer to Using a Rendering Function for more information. |
buttonTemplate |
Specifies a template for all the buttons in the group. |
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 state when a user pauses on it. |
items |
Configures buttons in the group. |
keyExpr |
Specifies which data field provides keys used to distinguish between the selected buttons. |
onContentReady |
A function that is executed when the UI component's content is ready and each time the content is changed. |
onDisposing |
A function that is executed before the UI component is disposed of. |
onInitialized |
A function used in JavaScript frameworks to save the UI component instance. |
onItemClick |
A function that is executed when a button is clicked or tapped. |
onOptionChanged |
A function that is executed after a UI component property is changed. |
onSelectionChanged |
A function that is executed when a button is selected or selection is canceled. |
rtlEnabled |
Switches the UI component to a right-to-left representation. |
selectedItemKeys |
Contains the keys of the selected buttons and allows selecting buttons initially. |
selectedItems |
Contains the data objects that correspond to the selected buttons. The data objects are taken from the items array. |
selectionMode |
Specifies whether a single or multiple buttons can be in the selected state simultaneously. |
stylingMode |
Specifies how buttons in the group are styled. |
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
Name | Description |
---|---|
beginUpdate() |
Prevents the UI component from refreshing 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 ButtonGroup 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. |
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() |
Repaints the UI component without reloading data. Call it to update the UI component's markup. |
resetOption(optionName) |
Resets a property to its default value. |
Events
Name | Description |
---|---|
contentReady |
Raised when the UI component's content is ready. |
disposing |
Raised before the UI component is disposed of. |
initialized |
Raised only once, after the UI component is initialized. |
itemClick |
Raised when a button is clicked or tapped. |
optionChanged |
Raised after a UI component property is changed. |
selectionChanged |
Raised when a button is selected or selection is canceled. |
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