CellMaker Ratings (Vue)

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

This sample shows how to use the CellMaker class to create ratings cells, which shows values within a given range as a series of stars.

The CellMaker.makeRating method takes arguements for setting the range of the rating, as well as the label to be displayed. Ratings cells can be read-only or editable, in which case users may change ratings by clicking on the stars or by using the keyboard.

You may customize the appearance of the rating symbols using CSS. The sample below shows how you can do this for a specific column, replacing the default orange stars with green circles.

Learn about FlexGrid | FlexGrid API Reference

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="rating" header="Rating (no stars)" /> <wj-flex-grid-column binding="rating" header="Rating (editable)" align="center" :width="220" :cellTemplate="tplRating" /> <wj-flex-grid-column binding="rating" header="Rating (read-only)" align="center" cssClass="custom-rating" :width="220" :isReadOnly="true" :cellTemplate="tplRatingReadOnly" /> </wj-flex-grid> </div> </template> <script> import "@mescius/wijmo.styles/wijmo.css"; import 'bootstrap.css'; import { createApp } from "vue" import { registerCore } from '@mescius/wijmo.vue2.core'; import { registerGrid } from '@mescius/wijmo.vue2.grid'; import { CellMaker } from '@mescius/wijmo.grid.cellmaker'; import { CollectionView } from '@mescius/wijmo'; import { getData, getCountries } from './data'; let App = { name: 'app', data: function () { return { // data countries: getCountries(), data: new CollectionView(getData(1000), { getError: function (item, prop) { if (prop == 'rating') { if (item.rating < 0 || item.rating > 5) { return 'Ratings should be between zero and five.' } } return null; // no errors } }), // cell templates tplRating: CellMaker.makeRating({ range: [0, 5], label: 'Edit Product Rating' }), tplRatingReadOnly: CellMaker.makeRating({ range: [0, 5], label: 'See Product Rating' }) } }, }; const app = createApp(App); // register all components and directives from Wijmo modules registerCore(app) registerGrid(app) app.mount('#app'); </script> <style> .wj-flexgrid { max-height: 300px; } .wj-flexgrid .wj-cell { padding: 6px 10px; } /* customize the rating symbol/color/size */ .wj-flexgrid .wj-cell.wj-cell-maker.wj-radio-map.custom-rating label { width: .25em; color: green; } .wj-flexgrid .wj-cell.wj-cell-maker.wj-radio-map.custom-rating label:after { transform: scale(12); content: '\2b24'; } </style>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo FlexGrid CellMaker: Ratings</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <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.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.mescius.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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