<template>
<dx-pie-chart
id="pie"
:data-source="areas"
palette="Bright"
title="Area of Countries"
@point-click="pointClickHandler($event)"
@legend-click="legendClickHandler($event)"
>
<dx-series
argument-field="country"
value-field="area"
>
<dx-label :visible="true">
<dx-connector
:visible="true"
:width="1"
/>
</dx-label>
</dx-series>
<dx-size :width="500"/>
<dx-export :enabled="true"/>
</dx-pie-chart>
</template>
<script>
import DxPieChart, {
DxSize,
DxSeries,
DxLabel,
DxConnector,
DxExport
} from 'devextreme-vue/pie-chart';
import { areas } from './data.js';
export default {
components: {
DxPieChart,
DxSize,
DxSeries,
DxLabel,
DxConnector,
DxExport
},
data() {
return {
areas
};
},
methods: {
pointClickHandler(e) {
this.toggleVisibility(e.target);
},
legendClickHandler(e) {
let arg = e.target,
item = e.component.getAllSeries()[0].getPointsByArg(arg)[0];
this.toggleVisibility(item);
},
toggleVisibility(item) {
item.isVisible() ? item.hide() : item.show();
}
}
};
</script>
<style>
#pie {
height: 440px;
}
#pie * {
margin: 0 auto;
}
</style>
import Vue from 'vue';
import App from './App.vue';
new Vue({
el: '#app',
components: { App },
template: '<App/>'
});
<!DOCTYPE html>
<html>
<head>
<title>DevExtreme Demo</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.2.4/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.2.4/css/dx.light.css" />
<script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script>
<script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script>
<script type="text/javascript" src="config.js"></script>
<script type="text/javascript">
System.import('./index.js');
</script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<div id="app">
</div>
</div>
</body>
</html>
export const areas = [{
country: 'Russia',
area: 12
}, {
country: 'Canada',
area: 7
}, {
country: 'USA',
area: 7
}, {
country: 'China',
area: 7
}, {
country: 'Brazil',
area: 6
}, {
country: 'Australia',
area: 5
}, {
country: 'India',
area: 2
}, {
country: 'Others',
area: 55
}];
System.config({
transpiler: 'plugin-babel',
paths: {
'npm:': 'https://unpkg.com/'
},
map: {
vue: 'npm:vue@2.6.3/dist/vue.esm.browser.js',
'vue-loader': 'npm:dx-systemjs-vue-browser@latest/index.js',
'devextreme': 'npm:devextreme@19.2',
'devextreme-vue': 'npm:devextreme-vue@19.2',
jszip: 'npm:jszip@3.1.3/dist/jszip.min.js',
'quill': 'npm:quill@1.3.7/dist/quill.js',
'devexpress-diagram': 'npm:devexpress-diagram',
'devexpress-gantt': 'npm:devexpress-gantt',
'plugin-babel': 'npm:systemjs-plugin-babel@0/plugin-babel.js',
'systemjs-babel-build':
'npm:systemjs-plugin-babel@0/systemjs-babel-browser.js'
},
meta: {
'*.vue': { loader: 'vue-loader' }
},
packages: {
'devextreme-vue': {
main: 'index.js'
},
'devextreme': {
defaultExtension: 'js'
}
},
babelOptions: {
sourceMaps: false,
stage0: true
}
});