Popup Editors (React)

Although the FlexGrid control provides efficient, Excel-style editing by default, you may want to customize the editing behavior. This example shows how you can use the grid to display the data and a custom form to edit the items. The custom form is hosted in a Wijmo Popup control and contains Wijmo Input controls. Click the pencil glyphs in the row headers to edit the item.

Learn about FlexGrid | FlexGrid API Reference

This example uses React.

import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import ReactDOM from 'react-dom/client'; import React, { useRef, useState } from 'react'; import useEvent from 'react-use-event-hook'; import { FlexGrid, FlexGridColumn } from '@mescius/wijmo.react.grid'; import { Popup, ComboBox, InputNumber } from '@mescius/wijmo.react.input'; import './app.css'; import { countries, data } from './data'; function App() { const [editItem, setEditItem] = useState(null); const cboCountryRef = useRef(null); const numberSalesRef = useRef(null); const numberExpensesRef = useRef(null); const popupRef = useRef(null); const initializeGrid = useEvent((flex) => { // add 'edit button' to row header cells flex.formatItem.addHandler((s, e) => { if (e.panel == s.rowHeaders && e.col == 0) { e.cell.innerHTML = '<span class="wj-glyph-pencil"></span>'; } }); // handle button clicks flex.addEventListener(flex.hostElement, 'click', (e) => { let ht = flex.hitTest(e); if (ht.panel == flex.rowHeaders) { // prepare form let editItem = flex.rows[ht.row].dataItem; cboCountryRef.current.selectedItem = editItem.country; numberSalesRef.current.value = editItem.sales; numberExpensesRef.current.value = editItem.expenses; setEditItem(editItem); // show the form popupRef.current.show(true, (s) => { if (s.dialogResult == 'wj-hide-ok') { // commit changes if the user pressed the OK button (flex.collectionView).editItem(editItem); editItem.country = cboCountryRef.current.selectedValue; editItem.sales = numberSalesRef.current.value; editItem.expenses = numberExpensesRef.current.value; (flex.collectionView).commitEdit(); } // return focus to the grid flex.focus(); setEditItem(null); }); } }); }); const initializePopup = useEvent((ctl) => { popupRef.current = ctl; }); const initializeExpense = useEvent((ctl) => { numberExpensesRef.current = ctl; }); const initializeSales = useEvent((ctl) => { numberSalesRef.current = ctl; }); const initializeCountry = useEvent((ctl) => { cboCountryRef.current = ctl; }); return (<div className="container-fluid"> <FlexGrid isReadOnly={true} selectionMode="Row" initialized={initializeGrid} itemsSource={data}> <FlexGridColumn binding="id" header="ID" width={50} isReadOnly={true}/> <FlexGridColumn binding="country" header="Country" isRequired={true} dataMap="countries"/> <FlexGridColumn binding="sales" header="Sales" format="n2"/> <FlexGridColumn binding="expenses" header="Expenses" format="n2"/> </FlexGrid> <Popup className="modal-content" initialized={initializePopup}> <div className="modal-header"> <button className="close wj-hide"> &times; </button> <h4 className="modal-title">Edit Item {editItem != null ? editItem.id : ''}</h4> </div> <div className="modal-body"> <div className="wj-labeled-input"> <ComboBox initialized={initializeCountry} id="country" itemsSource={countries}/> <label>Country</label> </div> </div> <div className="wj-labeled-input"> <InputNumber initialized={initializeSales} id="sales" format="n2" min={0} step={100}/> <label>Sales</label> </div> <div className="wj-labeled-input"> <InputNumber initialized={initializeExpense} id="expenses" format="'n2'" min={0} step={100}/> <label>Expenses</label> </div> <div className="modal-footer"> <button className="btn btn-primary wj-hide-ok">OK</button> <button className="btn btn-default wj-hide">Cancel</button> </div> </Popup> </div>); } 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 Popup Editors</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: 200px; margin-bottom: 12px; } .modal-content { width: 400px; } /* style our custom 'edit buttons' */ .wj-rowheaders .wj-cell .wj-glyph-pencil { opacity: .5; transform: scale(.75); } .wj-rowheaders .wj-cell:hover .wj-glyph-pencil { opacity: 1; color: #cc0000; transform: scale(1.5) rotate(-90deg); transition: all 400ms; } /* wj-labeled-input: adapted from MDL styles */ /* label input container */ .wj-labeled-input { position: relative; font-size: 16px; display: inline-block; box-sizing: border-box; width: 300px; max-width: 100%; margin: 0 20px; padding: 20px 0; } /* Wijmo control in the container */ .wj-labeled-input .wj-control.wj-content { margin: 0; width: 100%; background-color: transparent; border: none; border-bottom: 1px solid rgba(0, 0, 0, .1); } .wj-labeled-input .wj-control.wj-content button { opacity: 0.75; border-color: rgba(0, 0, 0, .1); } .wj-labeled-input .wj-input-group .wj-form-control { float: none; } /* label in the container (must come after the control) */ .wj-labeled-input label { font-size: 16px; top: 24px; bottom: 0; margin: 0; pointer-events: none; position: absolute; display: block; width: 100%; overflow: hidden; white-space: nowrap; text-align: left; color: rgba(0, 0, 0, 0.258824); transition-duration: .2s; transition-timing-function: cubic-bezier(.4, 0, .2, 1); } /* move label out of the way when control is focused or not empty */ .wj-static-labels .wj-labeled-input :not(.wj-state-focused)+label, .wj-labeled-input .wj-state-focused+label, .wj-labeled-input :not(.wj-state-empty)+label { font-size: 12px; top: 4px; color: rgb(63, 81, 181); visibility: visible; } .wj-labeled-input .wj-state-invalid+label { color: #d50000; } /* underline label */ .wj-labeled-input label:after { background-color: rgb(63, 81, 181); bottom: 20px; content: ''; height: 2px; left: 45%; position: absolute; transition-duration: .2s; transition-timing-function: cubic-bezier(.4, 0, .2, 1); visibility: hidden; width: 10px; } /* show underline when focused */ .wj-labeled-input .wj-state-focused+label:after { left: 0; visibility: visible; width: 100%; } .wj-labeled-input .wj-state-invalid+label:after { background-color: #d50000; } /* validation message */ .wj-labeled-input .wj-error { color: #d50000; position: absolute; font-size: 12px; margin-top: 3px; visibility: hidden; display: block; } .wj-labeled-input .wj-control.wj-state-invalid~.wj-error { visibility: visible; }
function getData() { let data = []; for (let i = 0; i < countries.length; i++) { data.push({ id: i, country: countries[i], sales: Math.random() * 10000, expenses: Math.random() * 5000, overdue: i % 4 == 0 }); } return data; } export const countries = ['US', 'Germany', 'UK', 'Japan', 'Italy', 'Greece']; export const data = getData();
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