Mouse Events (Vue)

To handle mouse events, add a listener to the FlexGrid contrl's hostElement and use the hitTest method to determine which grid panel and cell were clicked. The grid below has a handler attached to the 'mousemove' event, and shows information about the element under the mouse.

Learn about FlexGrid | FlexGrid API Reference

This example uses Vue.

<template> <main class="container-fluid"> <div id="log">please move the mouse over the grid</div> <!-- the grid --> <wj-flex-grid :itemsSource="data" :formatItem="formatFlexGrid" :initialized="flexInitialized"></wj-flex-grid> </main> </template> <script setup> import * as wjcGrid from "@mescius/wijmo.grid"; import { getData } from "./data"; import { ref } from "vue"; const data = ref( new wijmo.CollectionView(getData(), { groupDescriptions: ["country"], // group data by country }), ); function formatFlexGrid(s, e) { // add 'button' to country cells if (e.panel == s.cells) { if (s.columns[e.col].binding == "country" && !(s.rows[e.row] instanceof wjcGrid.GroupRow)) { if (s.editRange != null && s.editRange.contains(e.row, e.col)) { let spanEle = document.createElement("span"); spanEle.className = "my-button"; spanEle.innerHTML = "&#x2b24;"; s.activeEditor.style.width = "75%"; e.cell.insertBefore(spanEle, s.activeEditor); } else { let html = '<span class="my-button">&#x2b24;</span>' + e.cell.innerHTML; e.cell.innerHTML = html; } } } } function flexInitialized(flexgrid) { flexgrid.addEventListener(flexgrid.hostElement, "mousemove", (e) => { let ht = flexgrid.hitTest(e); let logText = wijmo.format("panel <b>{cellType}</b> row <b>{row}</b> col <b>{col}</b>", { cellType: wjcGrid.CellType[ht.cellType], row: ht.row, col: ht.col, }); if (e.target.classList.contains("my-button")) { logText += " (fake button!)"; } else if (e.target.tagName == "INPUT" && e.target.type == "checkbox") { logText += " (checkbox!)"; } else if (ht.panel == flexgrid.cells) { if (flexgrid.rows[ht.row] instanceof wjcGrid.GroupRow) { logText += " (group row)"; } else { logText += " (value: <b>" + flexgrid.cells.getCellData(ht.row, ht.col, true) + "</b>)"; } } document.querySelector("#log").innerHTML = logText; }); } </script> <style> .wj-flexgrid { max-height: 220px; } #log { font-style: italic; text-align: center; margin-bottom: 10px; color: #000; } .my-button { opacity: 0.5; margin: 0 6px; } .my-button:hover { color: orange; } body { margin-bottom: 24px; } </style>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo FlexGrid Mouse Events</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="compiler.js" type="module"></script> <script src="node_modules/jszip/dist/jszip.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.21.5/system.src.js" integrity="sha512-skZbMyvYdNoZfLmiGn5ii6KmklM82rYX2uWctBhzaXPxJgiv4XBwJnFGr5k8s+6tE1pcR1nuTKghozJHyzMcoA==" crossorigin="anonymous"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app.js'); </script> </head> <body> <div id="app"> </div> </body> </html>
export function getData() { // create some random data let countries = 'US,Germany,UK,Japan'.split(','); let data = []; for (let i = 0; i < 20; i++) { data.push({ id: i, country: countries[i % countries.length], sales: Math.random() * 10000, expenses: Math.random() * 5000, overdue: i % 4 == 0 }); } return data; }
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