/
MoreLinkRoot.tsx
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/
MoreLinkRoot.tsx
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import { EventApi } from '../api/EventApi'
import { Seg } from '../component/DateComponent'
import { DateRange } from '../datelib/date-range'
import { addDays, DateMarker } from '../datelib/marker'
import { DateProfile } from '../DateProfileGenerator'
import { Dictionary } from '../options'
import { elementClosest } from '../util/dom-manip'
import { ComponentChildren, createElement, createRef, Fragment, Ref, RefObject, VNode } from '../vdom'
import { BaseComponent } from '../vdom-util'
import { ViewApi } from '../ViewApi'
import { ViewContext, ViewContextType } from '../ViewContext'
import { MorePopover } from './MorePopover'
import { MountArg, RenderHook } from './render-hook'
export type MoreLinkChildren = (
rootElRef: Ref<any>,
classNames: string[],
innerElRef: Ref<any>,
innerContent: ComponentChildren,
handleClick: (ev: MouseEvent) => void,
) => ComponentChildren
export interface MoreLinkRootProps { // what the MoreLinkRoot component receives
dateProfile: DateProfile
todayRange: DateRange
allDayDate: DateMarker | null
allSegs: Seg[]
hiddenSegs: Seg[]
extraDateSpan?: Dictionary
alignmentElRef: RefObject<HTMLElement> // for popover
alignGridTop?: boolean // for popover
topAlignmentElRef?: RefObject<HTMLElement>
defaultContent?: (hookProps: MoreLinkContentArg) => ComponentChildren
popoverContent: () => VNode
children: MoreLinkChildren
}
export interface MoreLinkContentArg { // what the render-hooks receive
num: number
text: string
shortText: string
view: ViewApi
}
export type MoreLinkMountArg = MountArg<MoreLinkContentArg>
interface MoreLinkRootState {
isPopoverOpen: boolean
}
export class MoreLinkRoot extends BaseComponent<MoreLinkRootProps, MoreLinkRootState> {
private linkElRef = createRef<HTMLElement>()
private parentEl: HTMLElement
state = {
isPopoverOpen: false,
}
render() {
let { props } = this
return (
<ViewContextType.Consumer>
{(context: ViewContext) => {
let { viewApi, options, calendarApi } = context
let { moreLinkText } = options
let { hiddenSegs } = props
let moreCnt = hiddenSegs.length
let range = computeRange(props)
let hookProps: MoreLinkContentArg = {
num: moreCnt,
shortText: `+${moreCnt}`, // TODO: offer hook or i18n?
text: typeof moreLinkText === 'function'
? moreLinkText.call(calendarApi, moreCnt)
: `+${moreCnt} ${moreLinkText}`,
view: viewApi,
}
return (
<Fragment>
<RenderHook<MoreLinkContentArg>
elRef={this.linkElRef}
hookProps={hookProps}
classNames={options.moreLinkClassNames}
content={options.moreLinkContent}
defaultContent={props.defaultContent || renderMoreLinkInner}
didMount={options.moreLinkDidMount}
willUnmount={options.moreLinkWillUnmount}
>
{(rootElRef, customClassNames, innerElRef, innerContent) => props.children(
rootElRef, ['fc-more-link'].concat(customClassNames), innerElRef, innerContent, this.handleClick,
)}
</RenderHook>
{this.state.isPopoverOpen && (
<MorePopover
startDate={range.start}
endDate={range.end}
dateProfile={props.dateProfile}
todayRange={props.todayRange}
extraDateSpan={props.extraDateSpan}
parentEl={this.parentEl}
alignmentEl={props.alignmentElRef.current}
alignGridTop={props.alignGridTop}
onClose={this.handlePopoverClose}
>
{props.popoverContent()}
</MorePopover>
)}
</Fragment>
)
}}
</ViewContextType.Consumer>
)
}
componentDidMount() {
this.updateParentEl()
}
componentDidUpdate() {
this.updateParentEl()
}
updateParentEl() {
if (this.linkElRef.current) {
this.parentEl = elementClosest(this.linkElRef.current, '.fc-view-harness')
}
}
handleClick = (ev: MouseEvent) => {
let { props, context } = this
let { moreLinkClick } = context.options
let date = computeRange(props).start
function buildPublicSeg(seg: Seg) {
let { def, instance, range } = seg.eventRange
return {
event: new EventApi(context, def, instance),
start: context.dateEnv.toDate(range.start),
end: context.dateEnv.toDate(range.end),
isStart: seg.isStart,
isEnd: seg.isEnd,
}
}
if (typeof moreLinkClick === 'function') {
moreLinkClick = moreLinkClick({
date,
allDay: Boolean(props.allDayDate),
allSegs: props.allSegs.map(buildPublicSeg),
hiddenSegs: props.hiddenSegs.map(buildPublicSeg),
jsEvent: ev,
view: context.viewApi,
}) as string | undefined
}
if (!moreLinkClick || moreLinkClick === 'popover') {
this.setState({ isPopoverOpen: true })
} else if (typeof moreLinkClick === 'string') { // a view name
context.calendarApi.zoomTo(date, moreLinkClick)
}
}
handlePopoverClose = () => {
this.setState({ isPopoverOpen: false })
}
}
function renderMoreLinkInner(props: MoreLinkContentArg) {
return props.text
}
function computeRange(props: MoreLinkRootProps): DateRange {
if (props.allDayDate) {
return {
start: props.allDayDate,
end: addDays(props.allDayDate, 1),
}
}
let { hiddenSegs } = props
return {
start: computeEarliestSegStart(hiddenSegs),
end: computeLatestSegEnd(hiddenSegs),
}
}
export function computeEarliestSegStart(segs: Seg[]): DateMarker {
return segs.reduce(pickEarliestStart).eventRange.range.start
}
function pickEarliestStart(seg0: Seg, seg1: Seg): Seg {
return seg0.eventRange.range.start < seg1.eventRange.range.start ? seg0 : seg1
}
function computeLatestSegEnd(segs: Seg[]): DateMarker {
return segs.reduce(pickLatestEnd).eventRange.range.end
}
function pickLatestEnd(seg0: Seg, seg1: Seg): Seg {
return seg0.eventRange.range.end > seg1.eventRange.range.end ? seg0 : seg1
}