要创建多个独立的headerCheckSelection布尔列,以切换整列值的状态,你可以使用ag-Grid的headerComponent和headerCheckboxSelection组件。下面是一个示例代码:
首先,定义一个自定义的headerComponent来处理headerCheckSelection逻辑:
// CustomHeaderComponent.js
import React from "react";
class CustomHeaderComponent extends React.Component {
constructor(props) {
super(props);
this.state = {
checked: false
};
}
onChange = (event) => {
this.setState({ checked: event.target.checked }, () => {
this.props.onHeaderCheckboxSelectionChanged(this.props.colId, this.state.checked);
});
};
render() {
return (
);
}
}
export default CustomHeaderComponent;
然后,在你的Grid组件中使用这个自定义headerComponent,并为每个列配置独立的headerCheckSelection布尔列:
// GridComponent.js
import React from "react";
import { AgGridReact } from "ag-grid-react";
import "ag-grid-community/dist/styles/ag-grid.css";
import "ag-grid-community/dist/styles/ag-theme-alpine.css";
import CustomHeaderComponent from "./CustomHeaderComponent";
class GridComponent extends React.Component {
constructor(props) {
super(props);
this.state = {
columnDefs: [
{
headerName: "Column 1",
field: "column1",
headerCheckboxSelection: true,
headerComponentFramework: CustomHeaderComponent
},
{
headerName: "Column 2",
field: "column2",
headerCheckboxSelection: true,
headerComponentFramework: CustomHeaderComponent
}
],
rowData: [
{ column1: "A", column2: "B" },
{ column1: "C", column2: "D" },
{ column1: "E", column2: "F" }
]
};
}
onHeaderCheckboxSelectionChanged = (colId, checked) => {
const columnDefs = [...this.state.columnDefs];
const columnIndex = columnDefs.findIndex((colDef) => colDef.field === colId);
columnDefs[columnIndex].headerCheckboxSelection = checked;
this.setState({ columnDefs });
};
render() {
return (
);
}
}
export default GridComponent;
在上面的代码中,我们使用了CustomHeaderComponent作为headerComponentFramework,并在每个列的headerCheckSelection选项中启用了headerCheckboxSelection。当headerCheckSelection的状态发生变化时,通过onHeaderCheckboxSelectionChanged事件处理程序更新列定义的headerCheckboxSelection属性。
这样,你就可以创建多个独立的headerCheckSelection布尔列,并通过切换整列值的状态来控制它们。