BaseStub class

Base abstract class for tab stub.

Class constructor. Descendant classes must call this constructor as follows:

super(tab, options);

tab: Tab — tab object for created stub.
options — additional stub options.
- autoShow:boolean — automatically show stub when selecting the tab with empty list of items. Default value: true.

Method	Description	Available from version
render(): HTMLElement	Abstract method that returns stub layout. Requires implemented method in descendant classes.
getTab(): Tab	Returns tab object for created stub.
isAutoShow(): boolean	Returns `true` when stub is displayed automatically when selecting tab with empty list of items.
show(): void	Shows stub.
hide(): void	Hides the stub.
getOptions(): { [option: string]: any }	Returns collection of arbitrary stub options.
getOption(option: string, defaultValue?: any): any	Returns `option` value. When option is not found, returns value, specified in `defaultValue`. When `defaultValue` is not specified, returns `null`.