Ag格栅外部过滤器不适用于道具

Question

我正试图从网格组件外部设置一个外部过滤器，但isExternalFilterPresent方法缺少传递的属性值，并且仍然未定义。我用plunkr创建了一个例子：https://plnkr.co/edit/PkksNSLPlianNXsz

我的错误在哪里？

useEffect(()=> {
if (gridApi)  {
gridApi.onFilterChanged();
}
}, [props.filter])
...
const isExternalFilterPresent = () => {
return props.filter != 'everyone';
};
const doesExternalFilterPass = node => {
switch (props.filter) {
case 'below25':
return node.data.age < 25;
case 'between25and50':
return node.data.age >= 25 && node.data.age <= 50;
case 'above50':
return node.data.age > 50;
case 'dateAfter2008':
return asDate(node.data.date) > new Date(2008, 1, 1);
default:
return true;
}
};
...
return <AgGridReact
modules={modules}
columnDefs={columnDefs}
defaultColDef={defaultColDef}
animateRows={true}
isExternalFilterPresent={isExternalFilterPresent}
doesExternalFilterPass={doesExternalFilterPass}
onGridReady={onGridReady}
rowData={rowData} />

Answer 1

使用Ref解决了这个问题。AgGrid似乎保留了isExternalFilterPresent的初始值。

const [gridApi, setGridApi] = useState();
const [gridColumnApi, setGridColumnApi] = useState();
const [rowData, setRowData] = useState([]);
const ref = useRef(props.filter);
useEffect(()=> {
if (gridApi)  {
ref.current = props.filter;
gridApi.onFilterChanged();
}
}, [props.filter])

const isExternalFilterPresent = () => {
return ref.current != 'everyone';
};
const doesExternalFilterPass = node => {
switch (ref.current) {
case 'below25':
return node.data.age < 25;
case 'between25and50':
return node.data.age >= 25 && node.data.age <= 50;
case 'above50':
return node.data.age > 50;
case 'dateAfter2008':
return asDate(node.data.date) > new Date(2008, 1, 1);
default:
return true;
}
};

https://plnkr.co/edit/gptzZ3ggeLiuT6ov