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| 1 | +import { observable } from 'mobx'; |
| 2 | +import { |
| 3 | + FC, |
| 4 | + WebCell, |
| 5 | + WebCellProps, |
| 6 | + attribute, |
| 7 | + component, |
| 8 | + observer, |
| 9 | + on, |
| 10 | + reaction |
| 11 | +} from 'web-cell'; |
| 12 | + |
| 13 | +import { CollapseProps, Collapse } from './Collapse'; |
| 14 | + |
| 15 | +export const AccordionItem: FC<WebCellProps<HTMLDivElement>> = ({ |
| 16 | + className = '', |
| 17 | + children, |
| 18 | + ...props |
| 19 | +}) => ( |
| 20 | + <div className={`accordion-item ${className}`} {...props}> |
| 21 | + {children} |
| 22 | + </div> |
| 23 | +); |
| 24 | + |
| 25 | +export const AccordionHeader: FC<WebCellProps<HTMLHeadingElement>> = ({ |
| 26 | + className = '', |
| 27 | + children, |
| 28 | + onClick, |
| 29 | + ...props |
| 30 | +}) => ( |
| 31 | + <h2 className={`accordion-header ${className}`} {...props}> |
| 32 | + <button className="accordion-button" type="button" onClick={onClick}> |
| 33 | + {children} |
| 34 | + </button> |
| 35 | + </h2> |
| 36 | +); |
| 37 | + |
| 38 | +export const AccordionBody: FC<CollapseProps> = ({ |
| 39 | + className = '', |
| 40 | + children, |
| 41 | + ...props |
| 42 | +}) => ( |
| 43 | + <Collapse className={`accordion-collapse ${className}`} {...props}> |
| 44 | + <div className="accordion-body">{children}</div> |
| 45 | + </Collapse> |
| 46 | +); |
| 47 | + |
| 48 | +export interface AccordionProps { |
| 49 | + flush?: boolean; |
| 50 | + alwaysOpen?: boolean; |
| 51 | +} |
| 52 | + |
| 53 | +export interface Accordion extends WebCell<AccordionProps> {} |
| 54 | + |
| 55 | +@component({ |
| 56 | + tagName: 'accordion-box', |
| 57 | + mode: 'open' |
| 58 | +}) |
| 59 | +@observer |
| 60 | +export class Accordion extends HTMLElement implements WebCell<AccordionProps> { |
| 61 | + @attribute |
| 62 | + @observable |
| 63 | + accessor flush = false; |
| 64 | + |
| 65 | + @attribute |
| 66 | + @observable |
| 67 | + accessor alwaysOpen = false; |
| 68 | + |
| 69 | + connectedCallback() { |
| 70 | + this.classList.add('accordion'); |
| 71 | + } |
| 72 | + |
| 73 | + @reaction(({ flush }) => flush) |
| 74 | + handleFlush(flush: boolean) { |
| 75 | + this.classList.toggle('accordion-flush', flush); |
| 76 | + } |
| 77 | + |
| 78 | + @on('click', '.accordion-header') |
| 79 | + handleClick( |
| 80 | + _, |
| 81 | + { nextElementSibling: currentCollapse }: HTMLHeadingElement |
| 82 | + ) { |
| 83 | + if (!this.alwaysOpen) |
| 84 | + for (const collapse of this.querySelectorAll<HTMLDivElement>( |
| 85 | + '.accordion-collapse' |
| 86 | + )) |
| 87 | + if (collapse !== currentCollapse) { |
| 88 | + collapse.classList.remove('show'); |
| 89 | + collapse.previousElementSibling.querySelector( |
| 90 | + 'button' |
| 91 | + ).ariaExpanded = 'false'; |
| 92 | + } |
| 93 | + currentCollapse.classList.toggle('show'); |
| 94 | + currentCollapse.previousElementSibling.querySelector( |
| 95 | + 'button' |
| 96 | + ).ariaExpanded = 'false'; |
| 97 | + } |
| 98 | + |
| 99 | + render() { |
| 100 | + return <slot />; |
| 101 | + } |
| 102 | +} |
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