mirror of
https://github.com/Choices-js/Choices.git
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61 lines
1.3 KiB
TypeScript
61 lines
1.3 KiB
TypeScript
import { ClassNames } from '../interfaces/class-names';
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import { PassedElementType } from '../interfaces/passed-element-type';
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export default class Dropdown {
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element: HTMLElement;
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type: PassedElementType;
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classNames: ClassNames;
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isActive: boolean;
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constructor({
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element,
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type,
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classNames,
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}: {
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element: HTMLElement;
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type: PassedElementType;
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classNames: ClassNames;
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}) {
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this.element = element;
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this.classNames = classNames;
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this.type = type;
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this.isActive = false;
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}
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/**
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* Bottom position of dropdown in viewport coordinates
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*/
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get distanceFromTopWindow(): number {
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return this.element.getBoundingClientRect().bottom;
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}
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getChild(selector: string): HTMLElement | null {
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return this.element.querySelector(selector);
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}
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/**
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* Show dropdown to user by adding active state class
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*/
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show(): this {
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this.element.classList.add(this.classNames.activeState);
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this.element.setAttribute('aria-expanded', 'true');
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this.isActive = true;
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return this;
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}
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/**
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* Hide dropdown from user
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*/
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hide(): this {
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this.element.classList.remove(this.classNames.activeState);
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this.element.setAttribute('aria-expanded', 'false');
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this.isActive = false;
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return this;
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}
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}
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