import "bootstrap.css";
import "@mescius/wijmo.styles/wijmo.css";
import "./app.css";
import ReactDOM from "react-dom/client";
import React, { useRef, useState } from "react";
import { CellMaker } from "@mescius/wijmo.grid.cellmaker";
import { FlexGridFilter } from "@mescius/wijmo.react.grid.filter";
import { FlexGrid, FlexGridCellTemplate, FlexGridColumn, } from "@mescius/wijmo.react.grid";
import { DataMap } from "@mescius/wijmo.grid";
import { ComboBox } from "@mescius/wijmo.input";
import { CollectionView, SortDescription, } from "@mescius/wijmo";
import * as dataService from "./data";
const App = function (prop) {
//columns definition
const initialCols = [
{ header: "ID", binding: "id" },
{
header: "Country",
binding: "country",
width: 200,
},
{
header: "Products",
binding: "products",
width: 200,
},
{ header: "Downloads", binding: "downloads" },
{ header: "Button CellMaker", binding: "button", width: 200 },
];
const [cols, setCols] = useState(initialCols);
const [data, setData] = useState(new CollectionView(dataService.data));
const gridRef = useRef(null);
const filterRef = useRef(null);
const initGrid = (grid) => {
grid.draggedColumn.addHandler((s, e) => {
setCols(JSON.parse(grid.columnLayout).columns);
});
};
const hasTemplate = (binding) => {
switch (binding) {
case "downloads":
return true;
default:
return false;
}
};
const getDataMap = (binding) => {
const map = new DataMap(dataService.countries, "id", "name");
switch (binding) {
case "country":
return map;
default:
return undefined;
}
};
const getEditor = (binding) => {
switch (binding) {
case "products":
return new ComboBox(document.createElement("div"), {
itemsSource: dataService.products,
selectedValuePath: "id",
displayMemberPath: "name",
});
default:
return undefined;
}
};
const getTemp = (binding) => {
switch (binding) {
case "button": {
return CellMaker.makeButton({
text: "<b>${item.products}</b> Button",
click: (e, ctx) => {
alert("Button clicked: " + ctx.item.id);
},
});
}
}
};
const getTemplate = (binding, cellCtx) => {
switch (binding) {
case "downloads": {
return (<React.Fragment>
{cellCtx.item.downloads > 10000 ? (<span className="high-val">{cellCtx.item[binding]}</span>) : (<span className="low-val">{cellCtx.item[binding]}</span>)}
</React.Fragment>);
}
}
};
const saveLayout = () => {
let grid = gridRef.current.control;
let gridFilter = filterRef.current.control;
var state = {
columns: grid.columnLayout,
filterDefinition: gridFilter.filterDefinition,
sortDescriptions: grid.collectionView.sortDescriptions.map(function (sortDesc) {
return { property: sortDesc.property, ascending: sortDesc.ascending };
}),
};
localStorage["GridStateReact"] = JSON.stringify(state);
};
const restoreLayout = () => {
let grid = gridRef.current.control;
let gridFilter = filterRef.current.control;
let layoutDef = localStorage["GridStateReact"];
if (layoutDef) {
var state = JSON.parse(layoutDef);
//restore column layout
let columnsArr = JSON.parse(state.columns).columns;
setCols(columnsArr);
const bindingMap = {};
columnsArr.forEach((item, index) => {
bindingMap[item.binding] = index;
});
grid.columns.sort((a, b) => {
return bindingMap[a.binding] - bindingMap[b.binding];
});
// restore filter definitions
setTimeout(() => {
gridFilter.filterDefinition = state.filterDefinition;
}); //delay to let columns render first properly
// restore sort state
var view = grid.collectionView;
view.deferUpdate(function () {
view.sortDescriptions.clear();
for (var i = 0; i < state.sortDescriptions.length; i++) {
var sortDesc = state.sortDescriptions[i];
view.sortDescriptions.push(new SortDescription(sortDesc.property, sortDesc.ascending));
}
});
}
};
return (<main className="container-fluid">
<FlexGrid ref={gridRef} initialized={initGrid} itemsSource={data}>
{cols.map((col) => (<FlexGridColumn key={col.binding} header={col.header} binding={col.binding} width={col.width} dataMap={getDataMap(col.binding)} editor={getEditor(col.binding)} cellTemplate={getTemp(col.binding)}>
{hasTemplate(col.binding) ? (<FlexGridCellTemplate cellType="Cell" template={(cell) => getTemplate(col.binding, cell)}/>) : ("")}
</FlexGridColumn>))}
<FlexGridFilter ref={filterRef}/>
</FlexGrid>
<br />
<button className="btn btn-default" onClick={saveLayout}>
Save State
</button>
<button className="btn btn-default" onClick={restoreLayout}>
Restore State
</button>
</main>);
};
const container = document.getElementById("app");
if (container) {
const root = ReactDOM.createRoot(container);
root.render(<App />);
}
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>MESCIUS Wijmo Wijmo FlexGrid Persisting the Grid State</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!-- SystemJS -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.40/system.src.js" integrity="sha512-G6mEj6h18+m3MvzdviSDfPle/TfH0//cXcB33AKlNR/Rha0yQsKefDZKRTkIZos97HEGq2JMV1RT5ybMoQ3WsQ==" crossorigin="anonymous"></script>
<script src="systemjs.config.js"></script>
<script>
System.import('./src/app');
</script>
</head>
<body>
<div id="app"></div>
</body>
</html>
.wj-flexgrid {
max-height: 250px;
margin: 10px 0;
}
.wj-flexgrid .wj-cell {
padding: 6px 8px;
}
body {
margin-bottom: 20px;
}
.high-val {
color: darkgreen;
font-weight: bold;
}
.low-val {
color: darkred;
font-weight: bold;
}
// data used to generate random items
function getData() {
let countries = getCountries(), products = getProducts(), data = [];
for (var i = 0; i < 30; i++) {
data.push({
id: i,
country: countries[i % countries.length].id,
products: products[i % products.length].name,
downloads: Math.round(Math.random() * 20000),
button: ''
});
}
return data;
}
export const data = getData();
//
function getCountries() {
return [
{ id: 0, name: "US" },
{ id: 1, name: "Germany" },
{ id: 2, name: "UK" },
{ id: 3, name: "Japan" },
{ id: 4, name: "Italy" },
{ id: 5, name: "Greece" },
];
}
export const countries = getCountries();
function getProducts() {
return [
{ id: 0, name: 'Widgets' },
{ id: 1, name: 'Gadgets' },
{ id: 2, name: 'Yahoos' }
];
}
export const products = getProducts();
(function (global) {
window.process = {
env: {
NODE_ENV: "production"
}
}
System.config({
transpiler: 'plugin-babel',
babelOptions: {
es2015: true,
react: true
},
meta: {
'*.css': { loader: 'css' }
},
paths: {
// paths serve as alias
'npm:': 'node_modules/'
},
// map tells the System loader where to look for things
map: {
'jszip': 'npm:jszip/dist/jszip.js',
'@mescius/wijmo': 'npm:@mescius/wijmo/index.js',
'@mescius/wijmo.input': 'npm:@mescius/wijmo.input/index.js',
'@mescius/wijmo.styles': 'npm:@mescius/wijmo.styles',
'@mescius/wijmo.cultures': 'npm:@mescius/wijmo.cultures',
'@mescius/wijmo.chart': 'npm:@mescius/wijmo.chart/index.js',
'@mescius/wijmo.chart.analytics': 'npm:@mescius/wijmo.chart.analytics/index.js',
'@mescius/wijmo.chart.animation': 'npm:@mescius/wijmo.chart.animation/index.js',
'@mescius/wijmo.chart.annotation': 'npm:@mescius/wijmo.chart.annotation/index.js',
'@mescius/wijmo.chart.finance': 'npm:@mescius/wijmo.chart.finance/index.js',
'@mescius/wijmo.chart.finance.analytics': 'npm:@mescius/wijmo.chart.finance.analytics/index.js',
'@mescius/wijmo.chart.hierarchical': 'npm:@mescius/wijmo.chart.hierarchical/index.js',
'@mescius/wijmo.chart.interaction': 'npm:@mescius/wijmo.chart.interaction/index.js',
'@mescius/wijmo.chart.radar': 'npm:@mescius/wijmo.chart.radar/index.js',
'@mescius/wijmo.chart.render': 'npm:@mescius/wijmo.chart.render/index.js',
'@mescius/wijmo.chart.webgl': 'npm:@mescius/wijmo.chart.webgl/index.js',
'@mescius/wijmo.chart.map': 'npm:@mescius/wijmo.chart.map/index.js',
'@mescius/wijmo.gauge': 'npm:@mescius/wijmo.gauge/index.js',
'@mescius/wijmo.grid': 'npm:@mescius/wijmo.grid/index.js',
'@mescius/wijmo.grid.detail': 'npm:@mescius/wijmo.grid.detail/index.js',
'@mescius/wijmo.grid.filter': 'npm:@mescius/wijmo.grid.filter/index.js',
'@mescius/wijmo.grid.search': 'npm:@mescius/wijmo.grid.search/index.js',
'@mescius/wijmo.grid.style': 'npm:@mescius/wijmo.grid.style/index.js',
'@mescius/wijmo.grid.grouppanel': 'npm:@mescius/wijmo.grid.grouppanel/index.js',
'@mescius/wijmo.grid.multirow': 'npm:@mescius/wijmo.grid.multirow/index.js',
'@mescius/wijmo.grid.transposed': 'npm:@mescius/wijmo.grid.transposed/index.js',
'@mescius/wijmo.grid.transposedmultirow': 'npm:@mescius/wijmo.grid.transposedmultirow/index.js',
'@mescius/wijmo.grid.pdf': 'npm:@mescius/wijmo.grid.pdf/index.js',
'@mescius/wijmo.grid.sheet': 'npm:@mescius/wijmo.grid.sheet/index.js',
'@mescius/wijmo.grid.xlsx': 'npm:@mescius/wijmo.grid.xlsx/index.js',
'@mescius/wijmo.grid.selector': 'npm:@mescius/wijmo.grid.selector/index.js',
'@mescius/wijmo.grid.cellmaker': 'npm:@mescius/wijmo.grid.cellmaker/index.js',
'@mescius/wijmo.grid.immutable': 'npm:@mescius/wijmo.grid.immutable/index.js',
'@mescius/wijmo.touch': 'npm:@mescius/wijmo.touch/index.js',
'@mescius/wijmo.cloud': 'npm:@mescius/wijmo.cloud/index.js',
'@mescius/wijmo.nav': 'npm:@mescius/wijmo.nav/index.js',
'@mescius/wijmo.odata': 'npm:@mescius/wijmo.odata/index.js',
'@mescius/wijmo.olap': 'npm:@mescius/wijmo.olap/index.js',
'@mescius/wijmo.rest': 'npm:@mescius/wijmo.rest/index.js',
'@mescius/wijmo.pdf': 'npm:@mescius/wijmo.pdf/index.js',
'@mescius/wijmo.pdf.security': 'npm:@mescius/wijmo.pdf.security/index.js',
'@mescius/wijmo.viewer': 'npm:@mescius/wijmo.viewer/index.js',
'@mescius/wijmo.xlsx': 'npm:@mescius/wijmo.xlsx/index.js',
'@mescius/wijmo.undo': 'npm:@mescius/wijmo.undo/index.js',
'@mescius/wijmo.interop.grid': 'npm:@mescius/wijmo.interop.grid/index.js',
'@mescius/wijmo.barcode': 'npm:@mescius/wijmo.barcode/index.js',
'@mescius/wijmo.barcode.common': 'npm:@mescius/wijmo.barcode.common/index.js',
'@mescius/wijmo.barcode.composite': 'npm:@mescius/wijmo.barcode.composite/index.js',
'@mescius/wijmo.barcode.specialized': 'npm:@mescius/wijmo.barcode.specialized/index.js',
"@mescius/wijmo.react.chart.analytics": "npm:@mescius/wijmo.react.chart.analytics/index.js",
"@mescius/wijmo.react.chart.animation": "npm:@mescius/wijmo.react.chart.animation/index.js",
"@mescius/wijmo.react.chart.annotation": "npm:@mescius/wijmo.react.chart.annotation/index.js",
"@mescius/wijmo.react.chart.finance.analytics": "npm:@mescius/wijmo.react.chart.finance.analytics/index.js",
"@mescius/wijmo.react.chart.finance": "npm:@mescius/wijmo.react.chart.finance/index.js",
"@mescius/wijmo.react.chart.hierarchical": "npm:@mescius/wijmo.react.chart.hierarchical/index.js",
"@mescius/wijmo.react.chart.interaction": "npm:@mescius/wijmo.react.chart.interaction/index.js",
"@mescius/wijmo.react.chart.radar": "npm:@mescius/wijmo.react.chart.radar/index.js",
"@mescius/wijmo.react.chart": "npm:@mescius/wijmo.react.chart/index.js",
"@mescius/wijmo.react.core": "npm:@mescius/wijmo.react.core/index.js",
'@mescius/wijmo.react.chart.map': 'npm:@mescius/wijmo.react.chart.map/index.js',
"@mescius/wijmo.react.gauge": "npm:@mescius/wijmo.react.gauge/index.js",
"@mescius/wijmo.react.grid.detail": "npm:@mescius/wijmo.react.grid.detail/index.js",
"@mescius/wijmo.react.grid.filter": "npm:@mescius/wijmo.react.grid.filter/index.js",
"@mescius/wijmo.react.grid.grouppanel": "npm:@mescius/wijmo.react.grid.grouppanel/index.js",
'@mescius/wijmo.react.grid.search': 'npm:@mescius/wijmo.react.grid.search/index.js',
"@mescius/wijmo.react.grid.multirow": "npm:@mescius/wijmo.react.grid.multirow/index.js",
"@mescius/wijmo.react.grid.sheet": "npm:@mescius/wijmo.react.grid.sheet/index.js",
'@mescius/wijmo.react.grid.transposed': 'npm:@mescius/wijmo.react.grid.transposed/index.js',
'@mescius/wijmo.react.grid.transposedmultirow': 'npm:@mescius/wijmo.react.grid.transposedmultirow/index.js',
'@mescius/wijmo.react.grid.immutable': 'npm:@mescius/wijmo.react.grid.immutable/index.js',
"@mescius/wijmo.react.grid": "npm:@mescius/wijmo.react.grid/index.js",
"@mescius/wijmo.react.input": "npm:@mescius/wijmo.react.input/index.js",
"@mescius/wijmo.react.olap": "npm:@mescius/wijmo.react.olap/index.js",
"@mescius/wijmo.react.viewer": "npm:@mescius/wijmo.react.viewer/index.js",
"@mescius/wijmo.react.nav": "npm:@mescius/wijmo.react.nav/index.js",
"@mescius/wijmo.react.base": "npm:@mescius/wijmo.react.base/index.js",
'@mescius/wijmo.react.barcode.common': 'npm:@mescius/wijmo.react.barcode.common/index.js',
'@mescius/wijmo.react.barcode.composite': 'npm:@mescius/wijmo.react.barcode.composite/index.js',
'@mescius/wijmo.react.barcode.specialized': 'npm:@mescius/wijmo.react.barcode.specialized/index.js',
'jszip': 'npm:jszip/dist/jszip.js',
'react': 'npm:react/index.js',
'react-dom': 'npm:react-dom/index.js',
'react-dom/client': 'npm:react-dom/client.js',
"scheduler": "npm:scheduler/index.js",
'redux': 'npm:redux/dist/redux.min.js',
'react-redux': 'npm:react-redux/dist/react-redux.min.js',
'bootstrap.css': 'npm:bootstrap/dist/css/bootstrap.min.css',
'css': 'npm:systemjs-plugin-css/css.js',
'plugin-babel': 'npm:systemjs-plugin-babel/plugin-babel.js',
'systemjs-babel-build':'npm:systemjs-plugin-babel/systemjs-babel-browser.js',
"react-use-event-hook": "npm:react-use-event-hook/dist/esm/useEvent.js",
},
// packages tells the System loader how to load when no filename and/or no extension
packages: {
src: {
defaultExtension: 'jsx'
},
"node_modules": {
defaultExtension: 'js'
},
}
});
})(this);
