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feat(element): support breakpoints for FormLayout (#2340)
* feat(element): support breakpoints for FormLayout * docs(element): update docs
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115 changes: 115 additions & 0 deletions
115
packages/element/src/form-layout/useResponsiveFormLayout.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| import { isArr, isValid } from '@formily/shared' | ||
| import { onMounted, Ref, ref } from 'vue-demi' | ||
|
|
||
| interface IProps { | ||
| breakpoints?: number[] | ||
| layout?: | ||
| | 'vertical' | ||
| | 'horizontal' | ||
| | 'inline' | ||
| | ('vertical' | 'horizontal' | 'inline')[] | ||
| labelCol?: number | number[] | ||
| wrapperCol?: number | number[] | ||
| labelAlign?: 'right' | 'left' | ('right' | 'left')[] | ||
| wrapperAlign?: 'right' | 'left' | ('right' | 'left')[] | ||
| [props: string]: any | ||
| } | ||
|
|
||
| interface ICalcBreakpointIndex { | ||
| (originalBreakpoints: number[], width: number): number | ||
| } | ||
|
|
||
| interface ICalculateProps { | ||
| (target: Element, props: IProps): IProps | ||
| } | ||
|
|
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| interface IUseResponsiveFormLayout { | ||
| ( | ||
| props: IProps, | ||
| refs: { | ||
| [key: string]: Vue | Element | Vue[] | Element[] | ||
| } | ||
| ): { | ||
| props: Ref<IProps> | ||
| } | ||
| } | ||
|
|
||
| const calcBreakpointIndex: ICalcBreakpointIndex = (breakpoints, width) => { | ||
| for (let i = 0; i < breakpoints.length; i++) { | ||
| if (width <= breakpoints[i]) { | ||
| return i | ||
| } | ||
| } | ||
| } | ||
|
|
||
| const calcFactor = <T>(value: T | T[], breakpointIndex: number): T => { | ||
| if (Array.isArray(value)) { | ||
| if (breakpointIndex === -1) return value[0] | ||
| return value[breakpointIndex] ?? value[value.length - 1] | ||
| } else { | ||
| return value | ||
| } | ||
| } | ||
|
|
||
| const factor = <T>(value: T | T[], breakpointIndex: number): T => | ||
| isValid(value) ? calcFactor(value as any, breakpointIndex) : value | ||
|
|
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| const calculateProps: ICalculateProps = (target, props) => { | ||
| const { clientWidth } = target | ||
| const { | ||
| breakpoints, | ||
| layout, | ||
| labelAlign, | ||
| wrapperAlign, | ||
| labelCol, | ||
| wrapperCol, | ||
| ...otherProps | ||
| } = props | ||
| const breakpointIndex = calcBreakpointIndex(breakpoints, clientWidth) | ||
|
|
||
| return { | ||
| layout: factor(layout, breakpointIndex), | ||
| labelAlign: factor(labelAlign, breakpointIndex), | ||
| wrapperAlign: factor(wrapperAlign, breakpointIndex), | ||
| labelCol: factor(labelCol, breakpointIndex), | ||
| wrapperCol: factor(wrapperCol, breakpointIndex), | ||
| ...otherProps, | ||
| } | ||
| } | ||
|
|
||
| export const useResponsiveFormLayout: IUseResponsiveFormLayout = ( | ||
| props, | ||
| refs | ||
| ) => { | ||
| const root = ref<Element>(null) | ||
| const { breakpoints } = props | ||
| if (!isArr(breakpoints)) { | ||
| return { props: ref(props) } | ||
| } | ||
| const layoutProps = ref<IProps>({}) | ||
|
|
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| const updateUI = () => { | ||
| layoutProps.value = calculateProps(root.value, props) | ||
| } | ||
|
|
||
| onMounted(() => { | ||
| root.value = refs.root as Element | ||
| const observer = () => { | ||
| updateUI() | ||
| } | ||
| const resizeObserver = new ResizeObserver(observer) | ||
| if (root.value) { | ||
| resizeObserver.observe(root.value) | ||
| } | ||
|
|
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| updateUI() | ||
|
|
||
| return () => { | ||
| resizeObserver.disconnect() | ||
| } | ||
| }) | ||
|
|
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| return { | ||
| props: layoutProps, | ||
| } | ||
| } |