Step Charts (Vue)

This sample shows FlexChart's line and area step charts. Step charts have 3 different variations that can be set through the [chartType] property:

You can also set the step position of the step chart to start, center, or end through the use of FlexChart's options property.

Learn about FlexChart | FlexChart API Reference

This example uses Vue.

<template> <div class="container-fluid"> <label for="chartType">Chart Type:</label> <wj-combo-box id="chartType" :text="chartType" :textChanged="chartTypeChanged" :itemsSource="chartTypeData"></wj-combo-box><br> <label for="stepPosition">Step Position:</label> <wj-combo-box id="stepPosition" text="Center" :textChanged="stepPositionChanged" :itemsSource="stepPositionData"></wj-combo-box><br> <div class="form-group"> <wj-flex-chart :chartType="chartType" bindingX="month" :itemsSource="data" :initialized="initializeChart"> <wj-flex-chart-legend position="Top"></wj-flex-chart-legend> <wj-flex-chart-axis wjProperty="axisX" :axisLine='false' majorTickMarks="None"></wj-flex-chart-axis> <wj-flex-chart-axis wjProperty="axisY" :majorGrid='false'></wj-flex-chart-axis> <wj-flex-chart-series binding="sms" name="Total SMS"></wj-flex-chart-series> <wj-flex-chart-series binding="email" name="Total Emails"></wj-flex-chart-series> </wj-flex-chart> </div> </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.input'; import '@mescius/wijmo.vue2.chart'; import { getData, getChartTypeData, getStepPositionData } from './data'; import * as wjCore from '@mescius/wijmo'; import * as wjChart from '@mescius/wijmo.chart'; let App = Vue.extend({ name: 'app', data: function () { return { data: getData(), chartType: "Step", chartTypeData: getChartTypeData(), stepPositionData: getStepPositionData() } }, methods: { initializeChart: function(flex) { this.theChart = flex; this.theChart.options = { step: { position : "center" }}; }, chartTypeChanged: function(combo) { this.chartType = combo.text; }, stepPositionChanged: function(combo) { this.theChart.options.step.position = combo.text.toLowerCase(); this.theChart.refresh(); } } }) new Vue({ render: h => h(App) }).$mount('#app'); </script> <style> .wj-flexchart { height: 300px; } label { margin-right: 3px; width: 150px; text-align: right; } .wj-control { margin-bottom: 3px; } .wj-flexchart .wj-legend .wj-label { opacity: .9; font-size: 80%; } </style>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo FlexChart Step Charts</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>
// create some random data export function getData() { let months = 'jan,feb,mar,apr,may,jun,jul,aug,sep,oct,nov,dec'.split(','), data = []; // for (let i = 0; i < months.length; i++) { data.push({ month: months[i], x: i-0.5, sms: Math.round(Math.random() * 50), email: Math.round( Math.random() * 100) }); } // return data; } // export function getChartTypeData() { return 'Step,StepSymbols,StepArea'.split(','); } // export function getStepPositionData() { return 'Start,Center,End'.split(','); }
(function (global) { System.config({ transpiler: 'plugin-babel', babelOptions: { es2015: true }, meta: { '*.css': { loader: 'css' }, '*.vue': { loader: 'vue-loader' } //'*.vue': { loader: 'systemjs-plugin-vue' } }, paths: { // paths serve as alias 'npm:': 'node_modules/' }, // map tells the System loader where to look for things map: { '@mescius/wijmo': 'npm:@mescius/wijmo/index.js', '@mescius/wijmo.input': 'npm:@mescius/wijmo.input/index.js', '@mescius/wijmo.styles': 'npm:@mescius/wijmo.styles', '@mescius/wijmo.cultures': 'npm:@mescius/wijmo.cultures', '@mescius/wijmo.chart': 'npm:@mescius/wijmo.chart/index.js', '@mescius/wijmo.chart.analytics': 'npm:@mescius/wijmo.chart.analytics/index.js', '@mescius/wijmo.chart.animation': 'npm:@mescius/wijmo.chart.animation/index.js', '@mescius/wijmo.chart.annotation': 'npm:@mescius/wijmo.chart.annotation/index.js', '@mescius/wijmo.chart.finance': 'npm:@mescius/wijmo.chart.finance/index.js', '@mescius/wijmo.chart.finance.analytics': 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'npm:@mescius/wijmo.grid.multirow/index.js', '@mescius/wijmo.grid.transposed': 'npm:@mescius/wijmo.grid.transposed/index.js', '@mescius/wijmo.grid.transposedmultirow': 'npm:@mescius/wijmo.grid.transposedmultirow/index.js', '@mescius/wijmo.grid.pdf': 'npm:@mescius/wijmo.grid.pdf/index.js', '@mescius/wijmo.grid.sheet': 'npm:@mescius/wijmo.grid.sheet/index.js', '@mescius/wijmo.grid.xlsx': 'npm:@mescius/wijmo.grid.xlsx/index.js', '@mescius/wijmo.grid.selector': 'npm:@mescius/wijmo.grid.selector/index.js', '@mescius/wijmo.grid.cellmaker': 'npm:@mescius/wijmo.grid.cellmaker/index.js', '@mescius/wijmo.nav': 'npm:@mescius/wijmo.nav/index.js', '@mescius/wijmo.odata': 'npm:@mescius/wijmo.odata/index.js', '@mescius/wijmo.olap': 'npm:@mescius/wijmo.olap/index.js', '@mescius/wijmo.rest': 'npm:@mescius/wijmo.rest/index.js', '@mescius/wijmo.pdf': 'npm:@mescius/wijmo.pdf/index.js', '@mescius/wijmo.pdf.security': 'npm:@mescius/wijmo.pdf.security/index.js', '@mescius/wijmo.viewer': 'npm:@mescius/wijmo.viewer/index.js', '@mescius/wijmo.xlsx': 'npm:@mescius/wijmo.xlsx/index.js', '@mescius/wijmo.undo': 'npm:@mescius/wijmo.undo/index.js', '@mescius/wijmo.interop.grid': 'npm:@mescius/wijmo.interop.grid/index.js', '@mescius/wijmo.touch': 'npm:@mescius/wijmo.touch/index.js', '@mescius/wijmo.cloud': 'npm:@mescius/wijmo.cloud/index.js', '@mescius/wijmo.barcode': 'npm:@mescius/wijmo.barcode/index.js', '@mescius/wijmo.barcode.common': 'npm:@mescius/wijmo.barcode.common/index.js', '@mescius/wijmo.barcode.composite': 'npm:@mescius/wijmo.barcode.composite/index.js', '@mescius/wijmo.barcode.specialized': 'npm:@mescius/wijmo.barcode.specialized/index.js', "@mescius/wijmo.vue2.chart.analytics": "npm:@mescius/wijmo.vue2.chart.analytics/index.js", "@mescius/wijmo.vue2.chart.animation": "npm:@mescius/wijmo.vue2.chart.animation/index.js", "@mescius/wijmo.vue2.chart.annotation": "npm:@mescius/wijmo.vue2.chart.annotation/index.js", "@mescius/wijmo.vue2.chart.finance.analytics": 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'npm:@mescius/wijmo.vue2.barcode.composite/index.js', '@mescius/wijmo.vue2.barcode.specialized': 'npm:@mescius/wijmo.vue2.barcode.specialized/index.js', 'bootstrap.css': 'npm:bootstrap/dist/css/bootstrap.min.css', 'jszip': 'npm:jszip/dist/jszip.js', 'css': 'npm:systemjs-plugin-css/css.js', 'vue': 'npm:vue/dist/vue.min.js', 'vue-loader': 'npm:systemjs-vue-browser/index.js', //'systemjs-plugin-vue': 'npm:systemjs-plugin-vue/index.js', 'plugin-babel': 'npm:systemjs-plugin-babel/plugin-babel.js', 'systemjs-babel-build': 'npm:systemjs-plugin-babel/systemjs-babel-browser.js' }, // packages tells the System loader how to load when no filename and/or no extension packages: { src: { defaultExtension: 'js' }, rxjs: { defaultExtension: 'js' }, "node_modules": { defaultExtension: 'js' }, wijmo: { defaultExtension: 'js', } } }); })(this);