CellMaker Sparklines (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 sparklines.

Sparklines are small charts used to show trends in a series of values, such as seasonal increases or decreases, economic cycles, or to highlight maximum and minimum values.

The CellMaker.makeSparkline method gets the chart data from the column binding. It allows you to set choose the type of sparkline (line, column, or win/loss), markers you want to display and label expression to improve accessibility.

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="history" header="Sparklines: Line" :width="175" :cellTemplate="tplSparkLine" /> <wj-flex-grid-column binding="history" header="Sparklines: Column" :width="175" :cellTemplate="tplSparkColumn" /> <wj-flex-grid-column binding="history" header="Sparklines: WinLoss" :width="175" :cellTemplate="tplSparkWinLoss" /> </wj-flex-grid> </div> </template> <script> import "@mescius/wijmo.styles/wijmo.css"; import 'bootstrap.css'; import Vue from 'vue'; import '@mescius/wijmo.vue2.core'; import '@mescius/wijmo.vue2.grid'; import { CellMaker, SparklineType, SparklineMarkers } from '@mescius/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 tplSparkLine: CellMaker.makeSparkline({ markers: SparklineMarkers.High | SparklineMarkers.Low, label: '${item.country} sales history line chart', }), tplSparkColumn: CellMaker.makeSparkline({ type: SparklineType.Column, markers: SparklineMarkers.High | SparklineMarkers.Low, label: '${item.country} sales history column chart' }), tplSparkWinLoss: CellMaker.makeSparkline({ type: SparklineType.WinLoss, markers: SparklineMarkers.Negative, label: '${item.country} sales history win/loss chart' }) } }, }) new Vue({ render: h => h(App) }).$mount('#app'); </script> <style> .wj-flexgrid { max-height: 300px; } .wj-flexgrid .wj-cell { padding: 6px 10px; } </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: Sparklines</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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