CellMaker Images (Vue)

The CellMaker class provides a simple way to create custom cells of common types.

This sample shows how to use the CellMaker class to create cells with images.

The CellMaker.makeImage method gets the image's URL from the column binding. It allows you to set a label expression which is applied to the image element's "alt" attribute, which is important for accessibility.

You may also specify a handler for the image's click event.

This example uses Vue.

<template> <div class="container-fluid"> <wj-flex-grid selectionMode="MultiRange" :showMarquee="true" :itemsSource="data"> <wj-flex-grid-column binding="id" header="ID" :isReadOnly="true" :width="80" /> <wj-flex-grid-column binding="country" header="Country" :dataMap="countries" /> <wj-flex-grid-column binding="img" header="Images" cssClass="cell-img" :cellTemplate="tplImage" /> </wj-flex-grid> </div> </template> <script> import "@grapecity/wijmo.styles/wijmo.css"; import 'bootstrap.css'; import Vue from 'vue'; import '@grapecity/wijmo.vue2.core'; import '@grapecity/wijmo.vue2.grid'; import { CellMaker } from '@grapecity/wijmo.grid.cellmaker'; import { getData, getCountries } from './data'; let App = Vue.extend({ name: 'app', data: function(){ return { // data countries: getCountries(), data: getData(1000), // cell templates tplImage: CellMaker.makeImage({ label: 'image for ${item.country}', click: (e, ctx) => alert('Clicked image for ' + ctx.item.country) }) } }, }) new Vue({ render: h => h(App) }).$mount('#app'); </script> <style> .wj-flexgrid { max-height: 300px; } .wj-flexgrid .wj-cell { padding: 6px 10px; } /* images (applying formats to the cell, not to the inner IMG element */ .wj-flexgrid .wj-cell.cell-img { padding: 0; text-align: center; } .wj-flexgrid .wj-cell.cell-img:hover { z-index: 1; overflow: visible; } .wj-flexgrid .wj-cell.cell-img:hover img { transform: scale(3); transition: all 600ms; } </style>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>GrapeCity Wijmo FlexGrid CellMaker: Images</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="node_modules/systemjs/dist/system.src.js"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app.vue'); </script> </head> <body> <div id="app"> </div> </body> </html>
export function getCountries() { return 'US,Germany,UK,Japan,Italy,Greece'.split(','); } export function getData(cnt) { let countries = getCountries(), data = []; for (var i = 0; i < cnt; i++) { let country = countries[i % countries.length]; data.push({ id: i, country: country, url: 'https://visit.' + country + '.com', downloads: Math.round(Math.random() * 1000), sales: Math.random() * 2000, expenses: Math.random() * 1000, checked: i % 4 == 0, history: getValues(3 + Math.random() * 20, 100), img: 'https://cdn.grapecity.com/wijmo/images/' + (i % 4 + 1) + '.png', rating: Math.floor(Math.random() * 5) }); } return data; } function getValues(cnt, max) { let values = [], val = Math.random() * max; for (let i = 0; i < cnt; i++) { val = Math.min(max, val + (Math.random() - 0.5) * max / 5); values.push(val); } return values; }
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