packageDocumentation module import { useCallback , useEffect , useMemo , useReducer , useState } from "react" ; import { useDebouncedAsyncValue } from "../../common/UseDebouncedAsyncValue" ; import { IPropertyDataProvider } from "../PropertyDataProvider" ; import { MutableGridItemFactory } from "./flat-items/MutableGridItemFactory" ; import { PropertyGridEventHandler } from "./PropertyGridEventHandler" ; import { IPropertyGridModel } from "./PropertyGridModel" ; import { IPropertyGridModelSource , PropertyGridModelSource } from "./PropertyGridModelSource" ; public export function usePropertyData ( props ) { const { dataProvider } = props ; const [ forcedUpdate , triggerForcedUpdate ] = useReducer ( ( ) => ( { } ) , { } ) ; useEffect ( ( ) => { return dataProvider . onDataChanged . addListener ( ( ) => { triggerForcedUpdate ( ) ; } ) ; } , [ dataProvider ] ) ; return useDebouncedAsyncValue ( useCallback ( async ( ) => dataProvider . getData ( ) , [ dataProvider , forcedUpdate ] ) ) ; } beta export function usePropertyGridModelSource ( props ) { const { value : propertyData } = usePropertyData ( props ) ; const { dataProvider } = { ... props } ; const modelSource = useMemo ( ( ) => new PropertyGridModelSource ( new MutableGridItemFactory ( ) ) , [ dataProvider ] ) ; useEffect ( ( ) => { if ( propertyData ) modelSource . setPropertyData ( propertyData ) ; } , [ modelSource , propertyData ] ) ; return modelSource ; } beta export function usePropertyGridEventHandler ( props ) { return useMemo ( ( ) => new PropertyGridEventHandler ( props . modelSource ) , [ props . modelSource ] ) ; } beta export function usePropertyGridModel ( props ) { const { modelSource } = { ... props } ; const [ model , setModel ] = useState < IPropertyGridModel > ( ) ; useEffect ( ( ) => { const modelChanged = ( ) => { setModel ( modelSource . getModel ( ) ) ; } ; modelChanged ( ) ; return modelSource . onModelChanged . addListener ( modelChanged ) ; } , [ modelSource ] ) ; return model ; }