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Dynamic Series from the DataSource
Documentation
In this example, data for series is provided in a peculiar manner. Each object in the data source represents a point in a single series. To define series in this case, use the seriesTemplate object where you need to specify the data field providing series names and custom settings for a given series. Settings common to all series must be set within the commonSeriesSettings object. Providing data in this manner is useful when the number of points within a single series changes over time.
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<template>
<DxChart
id="chart"
:data-source="dataSource"
palette="Violet"
>
<DxSeriesTemplate
:customize-series="customizeSeries"
name-field="year"
/>
<DxCommonSeriesSettings
argument-field="country"
value-field="oil"
type="bar"
/>
<DxTitle text="Oil Production">
<DxSubtitle text="(in millions tonnes)"/>
</DxTitle>
<DxLegend
vertical-alignment="bottom"
horizontal-alignment="center"
/>
<DxExport :enabled="true"/>
</DxChart>
</template>
<script>
import DxChart, {
DxLegend,
DxSeriesTemplate,
DxTitle,
DxSubtitle,
DxCommonSeriesSettings,
DxExport
} from 'devextreme-vue/chart';
import { dataSource } from './data.js';
export default {
components: {
DxChart,
DxLegend,
DxSeriesTemplate,
DxTitle,
DxSubtitle,
DxCommonSeriesSettings,
DxExport
},
data() {
return {
dataSource
};
},
methods: {
customizeSeries(seriesName) {
return seriesName === 2009 ? { type: 'line', label: { visible: true }, color: '#ff3f7a' } : {};
}
}
};
</script>
<style>
#chart {
height: 440px;
width: 100%;
}
</style>
import { createApp } from 'vue';
import App from './App.vue';
createApp(App).mount('#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/20.2.5/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.5/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 dataSource = [
{
year: 1970,
country: 'Saudi Arabia',
oil: 192.2
}, {
year: 1970,
country: 'USA',
oil: 533.5
}, {
year: 1970,
country: 'Iran',
oil: 192.6
}, {
year: 1970,
country: 'Mexico',
oil: 24.2
}, {
year: 1980,
country: 'Saudi Arabia',
oil: 509.8
}, {
year: 1980,
country: 'USA',
oil: 480.2
}, {
year: 1980,
country: 'Iran',
oil: 74.3
}, {
year: 1980,
country: 'Mexico',
oil: 107.2
}, {
year: 1990,
country: 'Saudi Arabia',
oil: 342.6
}, {
year: 1990,
country: 'USA',
oil: 416.6
}, {
year: 1990,
country: 'Iran',
oil: 162.8
}, {
year: 1990,
country: 'Mexico',
oil: 146.3
}, {
year: 1990,
country: 'Russia',
oil: 515.9
}, {
year: 2000,
country: 'Saudi Arabia',
oil: 456.3
}, {
year: 2000,
country: 'USA',
oil: 352.6
}, {
year: 2000,
country: 'Iran',
oil: 191.3
}, {
year: 2000,
country: 'Mexico',
oil: 171.2
}, {
year: 2000,
country: 'Russia',
oil: 323.3
}, {
year: 2008,
country: 'Saudi Arabia',
oil: 515.3
}, {
year: 2008,
country: 'USA',
oil: 304.9
}, {
year: 2008,
country: 'Iran',
oil: 209.9
}, {
year: 2008,
country: 'Mexico',
oil: 157.7
}, {
year: 2008,
country: 'Russia',
oil: 488.5
}, {
year: 2009,
country: 'Saudi Arabia',
oil: 459.5
}, {
year: 2009,
country: 'USA',
oil: 325.3
}, {
year: 2009,
country: 'Iran',
oil: 202.4
}, {
year: 2009,
country: 'Mexico',
oil: 147.5
}, {
year: 2009,
country: 'Russia',
oil: 494.2
}
];
System.config({
transpiler: 'plugin-babel',
meta: {
'*.vue': {
loader: 'vue-loader'
},
'devextreme/localization.js': {
"esModule": true
},
},
paths: {
'npm:': 'https://unpkg.com/'
},
map: {
'vue': 'npm:vue@3.0.0/dist/vue.esm-browser.js',
'vue-loader': 'npm:dx-systemjs-vue-browser@1.0.15/index.js',
'mitt': 'npm:mitt/dist/mitt.umd.js',
'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js',
'luxon': 'npm:luxon@1.25.0/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@20.2.5',
'devextreme-vue': 'npm:devextreme-vue@20.2.5',
'jszip': 'npm:jszip@3.5.0/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@0.9.8/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.0.11/dist/dx-diagram.js',
'devexpress-gantt': 'npm:devexpress-gantt@2.0.18/dist/dx-gantt.js',
'preact': 'npm:preact@10.5.11/dist/preact.js',
'preact/hooks': 'npm:preact@10.5.11/hooks/dist/hooks.js',
'plugin-babel': 'npm:systemjs-plugin-babel@0.0.25/plugin-babel.js',
'systemjs-babel-build': 'npm:systemjs-plugin-babel@0.0.25/systemjs-babel-browser.js'
},
packages: {
'devextreme-vue': {
main: 'index.js'
},
'devextreme': {
defaultExtension: 'js'
},
'devextreme/events/utils': {
main: 'index'
},
'devextreme/events': {
main: 'index'
},
'es6-object-assign': {
main: './index.js',
defaultExtension: 'js'
}
},
babelOptions: {
sourceMaps: false,
stage0: true
}
});