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Multilevel labels

The second level labels for the range navigator can be enabled by setting the “enableGrouping” property to true. This is restricted to date-time axis alone.

Source
Preview
index.ts
index.html
import { RangeNavigator, DateTime, RangeTooltip } from '@syncfusion/ej2-charts';
RangeNavigator.Inject( DateTime, RangeTooltip);

let data: object[] = [];
let value: number = 0; let point: object = {};
for (let j: number = 1; j < 1090; j++) {
    value += (Math.random() * 10 - 5);
    value = value < 0 ? Math.abs(value) : value;
    point = { x: new Date(2000, 0, j), y: value, z: value + 10 };
    data.push(point);
}
let range: RangeNavigator = new RangeNavigator(
        {
            labelPosition: 'Outside',
            tooltip: { enable: true },
            valueType: 'DateTime',
            intervalType: 'Quarter',
            enableGrouping: true,
            value: [new Date(2001, 0), new Date(2002, 0)],
            dataSource: data,
            xName: 'x',
            yName: 'y'
        }, '#element');
<!DOCTYPE html>
<html lang="en">

<head>
    <title>EJ2 Animation</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Typescript UI Controls" />
    <meta name="author" content="Syncfusion" />
    <link href="index.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
</head>

<body>
    <div id='loader'>Loading....</div>
    <div id='container' style="margin-top: 125px">
        <div id='element'></div>
    </div>
</body>

</html>

Grouping

The second level axis labels can be grouped using “groupBy” property with the following interval types:

  • Auto
  • Years
  • Quarter
  • Months
  • Weeks
  • Days
  • Hours
  • Minutes
  • Seconds
Source
Preview
index.ts
index.html
import { RangeNavigator, DateTime, RangeTooltip } from '@syncfusion/ej2-charts';
RangeNavigator.Inject( DateTime, RangeTooltip);

let data: object[] = [];
let value: number = 0; let point: object = {};
for (let j: number = 1; j < 1090; j++) {
    value += (Math.random() * 10 - 5);
    value = value < 0 ? Math.abs(value) : value;
    point = { x: new Date(2000, 0, j), y: value, z: value + 10 };
    data.push(point);
}
let range: RangeNavigator = new RangeNavigator(
        {
            labelPosition: 'Outside',
            tooltip: { enable: true },
            valueType: 'DateTime',
            intervalType: 'Quarter',
            enableGrouping: true,
            groupBy: 'Years',
            value: [new Date(2001, 0), new Date(2002, 0)],
            dataSource: data,
            xName: 'x',
            yName: 'y'
        }, '#element');
<!DOCTYPE html>
<html lang="en">

<head>
    <title>EJ2 Animation</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Typescript UI Controls" />
    <meta name="author" content="Syncfusion" />
    <link href="index.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
</head>

<body>
    <div id='loader'>Loading....</div>
    <div id='container' style="margin-top: 125px">
        <div id='element'></div>
    </div>
</body>

</html>

Smart labels

The “labelIntersectAction” property is used to avoid overlapping of labels.

The following code sample shows setting the labelIntersectAction property to Hide.

Source
Preview
index.ts
index.html
import { RangeNavigator, StepLineSeries, DateTime}  from "@syncfusion/ej2-charts";
RangeNavigator.Inject(StepLineSeries, DateTime);
import { datasrc } from "./datasource.ts";

let range: RangeNavigator = new RangeNavigator({
    valueType: 'DateTime',
    labelIntersectAction: 'Hide',
    labelFormat:'y/M/d',
    value:[new Date("2017-08-13"), new Date("2017-12-28")],
    series: [{
                dataSource: datasrc, xName: 'x', yName: 'y', type: 'StepLine', width: 2,
            }],
}, '#element');
<!DOCTYPE html>
<html lang="en">

<head>
    <title>EJ2 Animation</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Typescript UI Controls" />
    <meta name="author" content="Syncfusion" />
    <link href="index.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
</head>

<body>
    <div id='loader'>Loading....</div>
    <div id='container' style="margin-top: 125px">
        <div id='element'></div>
    </div>
</body>

</html>

Label positioning

By default, the labels can be placed at outside of the range navigator. You can place the labels inside the range navigator using the labelPosition property.

Source
Preview
index.ts
index.html
import { RangeNavigator, StepLineSeries, DateTime}  from "@syncfusion/ej2-charts";
RangeNavigator.Inject(StepLineSeries, DateTime);
import { datasrc } from "./datasource.ts";

let range: RangeNavigator = new RangeNavigator({
    valueType: 'DateTime',
    labelPosition: 'Inside',
    value:[new Date("2017-08-13"), new Date("2017-12-28")],
    series: [{
                dataSource: datasrc, xName: 'x', yName: 'y', type: 'StepLine', width: 2,
            }],
}, '#element');
<!DOCTYPE html>
<html lang="en">

<head>
    <title>EJ2 Animation</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Typescript UI Controls" />
    <meta name="author" content="Syncfusion" />
    <link href="index.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
</head>

<body>
    <div id='loader'>Loading....</div>
    <div id='container' style="margin-top: 125px">
        <div id='element'></div>
    </div>
</body>

</html>

Labels customization

The font size, color, family, etc. can be customized using the “labelStyle” property.

Source
Preview
index.ts
index.html
import { RangeNavigator, DateTime } from '@syncfusion/ej2-charts';
import { GetDateTimeData } from './datasource.ts';
RangeNavigator.Inject(DateTime);

let range: RangeNavigator = new RangeNavigator(
        {
            valueType: 'DateTime',
            intervalType: 'Months',
            labelFormat: 'MMM',
            labelStyle: { color: 'red', size:'10px'}
            value: [new Date(2018, 5, 1), new Date(2018, 6, 1)],
            dataSource: GetDateTimeData(new Date(2018, 0, 1), new Date(2019, 0, 1)),
            xName: 'x', yName: 'y'
        }, '#element');
<!DOCTYPE html>
<html lang="en">

<head>
    <title>EJ2 Animation</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Typescript UI Controls" />
    <meta name="author" content="Syncfusion" />
    <link href="index.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
</head>

<body>
    <div id='loader'>Loading....</div>
    <div id='container' style="margin-top: 125px">
        <div id='element'></div>
    </div>
</body>

</html>