Globalization in EJ2 JavaScript DateTime Picker

4 Sep 202614 minutes to read

Globalization is the combination of internationalization and localization. The component can be adapted to various languages by parsing and formatting the date or number, known as Internationalization, and also by adding culture specific customization and translation to the text, known as Localization.

By default, the date format, week, month, time format and meridian names are specific to the American English culture. It utilizes the
Essential^® JavaScript 2 Internationalization package to parse and format the date object based on the culture by using the official UNICODE CLDR JSON data. It provides the loadCldr method to load culture specific CLDR JSON data. To use a different culture other than English, follow the steps below:

Install the CLDR-Data package by using the following command (installs all the CLDR JSON data). To know more about CLDR-Data, refer to the CLDR-Data link.

npm install cldr-data --save

Once the package is installed, the culture specific JSON data can be found under the location /node_modules/cldr-data.

Import the installed CLDR JSON data into the app.ts file. To import JSON data, install the JSON plugin loader. Here, the SystemJS JSON plugin loader is used.

npm install systemjs-plugin-json --save-dev

After installation, configure the system.config.js configuration settings as given below to map the
systemjs-plugin-json loader.

System.config({
    paths: {
        'npm:': './node_modules/',
        'syncfusion:': 'npm:@syncfusion/'

    },
    map: {
        app: 'app',

        //Syncfusion packages mapping
        "@syncfusion/ej2-base": "syncfusion:ej2-base/dist/ej2-base.umd.min.js",
        "@syncfusion/ej2-data": "syncfusion:ej2-data/dist/ej2-data.umd.min.js",
        "@syncfusion/ej2-inputs": "syncfusion:ej2-inputs/dist/ej2-inputs.umd.min.js",
        "@syncfusion/ej2-splitbuttons": "syncfusion:ej2-splitbuttons/dist/ej2-splitbuttons.umd.min.js",
        "@syncfusion/ej2-popups": "syncfusion:ej2-popups/dist/ej2-popups.umd.min.js",
        "@syncfusion/ej2-lists": "syncfusion:ej2-lists/dist/ej2-lists.umd.min.js",
        "@syncfusion/ej2-buttons": "syncfusion:ej2-buttons/dist/ej2-buttons.umd.min.js",
        "@syncfusion/ej2-calendars": "syncfusion:ej2-calendars/dist/ej2-calendars.umd.min.js",
        "cldr-data": 'npm:cldr-data',
        "plugin-json": "npm:systemjs-plugin-json/json.js"
    },
    meta: {
        '*.json': { loader: 'plugin-json' }
    },
    packages: {
        'app': { main: 'app', defaultExtension: 'js' },
        'cldr-data': { main: 'index.js', defaultExtension: 'js' }
    }
});

System.import('app');

Use the loadCldr method to load the culture specific CLDR JSON data from the installed location to app.ts file.
The DateTime Picker displays Sunday as the first day of week based on the default culture (“en-US”). To display the DateTime Picker with the loaded culture’s first day of week, the weekdata.json file needs to be imported from cldr-data/supplemental as given in the code example.

import { loadCldr } from '@syncfusion/ej2-base';

declare var require: any;

loadCldr(
    require('cldr-data/main/de/ca-gregorian.json'),
    require('cldr-data/main/de/numbers.json'),
    require('cldr-data/supplemental/numberingSystems.json'),
    require('cldr-data/main/de/timeZoneNames.json'),
    require('cldr-data/supplemental/weekdata.json') // To load the culture based first day of week
);

The Localization library allows localizing the default text content of the DateTime Picker. The DateTime Picker component has static text for the today feature that can be changed to other cultures (Arabic, Deutsch, French, etc.) by defining the locale value and translation object.

Locale keywords	Text
today	Name of the button to choose Today date.
placeholder	Hint to describe expected value in input element.

Before changing to a culture other than English, ensure that locale text for the concerned culture is loaded through the load method of the L10n class.

//Load the L10n, loadCldr from ej2-base
import { loadCldr, L10n } from '@syncfusion/ej2-base';

//load the locale object to set the localized placeholder value
L10n.load({
    'de': {
        'datetimepicker': {
            placeholder: 'Wählen Sie ein Datum und eine Uhrzeit aus',
            today:'heute'
        }
    }
});

Set the culture by using the locale property. In the following code example, the DateTime Picker is initialized in German culture with the corresponding localized text.

The following example demonstrates the DateTime Picker in German culture.

index.js
index.html
ej.base.enableRipple(true);
  
  var L10n = ej.base.L10n;

 L10n.load({
    'de': {
        'datetimepicker': {
           placeholder:'Wählen Sie ein Datum und eine Uhrzeit aus',
           today:'heute'
        }
    }});

     loadCultureFiles('de');
       var datetimepicker = new ej.calendars.DateTimePicker({
       locale: 'de'
    });
    datetimepicker.appendTo('#element');

  function loadCultureFiles(name) {
        var files = ['ca-gregorian.json', 'numbers.json', 'timeZoneNames.json'];
        var loader = ej.base.loadCldr;
        var loadCulture = function (prop) {
            var val, ajax;
            ajax = new ej.base.Ajax('https://ej2.syncfusion.com/javascript/demos/' + 'src/common/cldr-data/main/' + name + '/' + files[prop], 'GET', false);
            ajax.onSuccess = function (value) {
                val = value;
            };
            ajax.send();
            loader(JSON.parse(val));
        };
        for (var prop = 0; prop < files.length; prop++) {
            loadCulture(prop);
        }
    }
<!DOCTYPE html><html lang="en"><head>
    <title>Essential JS 2 DateRangePicker control</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="styles.css" rel="stylesheet">
    <!--style reference from the DateTimePicker component-->
    <link href="https://cdn.syncfusion.com/ej2/34.2.2/ej2-base/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/34.2.2/ej2-buttons/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/34.2.2/ej2-inputs/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/34.2.2/ej2-popups/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/34.2.2/ej2-lists/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/34.2.2/ej2-calendars/styles/material.css" rel="stylesheet">
    
    
<script src="https://cdn.syncfusion.com/ej2/34.2.2/dist/ej2.min.js" type="text/javascript"></script>
</head>

<body>
    
    <div id="container">
        <input id="element">
    </div>


<script>
var ele = document.getElementById('container');
if(ele) {
  ele.style.visibility = "visible";
}   
      </script>
<script src="index.js" type="text/javascript"></script>
</body></html>

Right-To-Left

The DateTime Picker supports RTL (right-to-left) functionality for languages like Arabic and Hebrew to display the text in the right-to-left direction. Use the enableRtl property to set the RTL direction. The following code example initializes the DateTime Picker component in Arabic culture and also explains how to set the localized text to the placeholder using the load method of
the L10n class.

index.js
index.html
ej.base.enableRipple(true);
 var L10n = ej.base.L10n;

 L10n.load({
    'ar': {
         'datetimepicker': {
            placeholder: 'حدد التاريخ والوقت',
            today: 'اليوم'
        }
    }});

     loadCultureFiles('ar');
       var datetimepicker = new ej.calendars.DateTimePicker({
       locale: 'ar'
    });
    datetimepicker.appendTo('#element');

  function loadCultureFiles(name) {
        var files = ['ca-gregorian.json', 'numbers.json', 'timeZoneNames.json'];
         if (name === 'ar') {
            files.push('numberingSystems.json');
        }
        var loader = ej.base.loadCldr;
         var loadCulture = function (prop) {
            var val, ajax;
            if (name === 'ar' && prop === files.length - 1) {
                ajax = new ej.base.Ajax('https://ej2.syncfusion.com/javascript/demos/src/common/cldr-data/supplemental/' + files[prop], 'GET', false);
            } else {
                ajax = new ej.base.Ajax('https://ej2.syncfusion.com/javascript/demos/src/common/cldr-data/main/' + name + '/' + files[prop], 'GET', false);
            }
            ajax.onSuccess = function (value) {
                val = value;
            };
            ajax.send();
            loader(JSON.parse(val));
        };
        for (var prop = 0; prop < files.length; prop++) {
            loadCulture(prop);
        }
    }
<!DOCTYPE html><html lang="en"><head>
    <title>Essential JS 2 DateRangePicker control</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="https://cdn.syncfusion.com/ej2/34.2.2/ej2-base/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/34.2.2/ej2-buttons/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/34.2.2/ej2-inputs/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/34.2.2/ej2-popups/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/34.2.2/ej2-lists/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/34.2.2/ej2-calendars/styles/material.css" rel="stylesheet">
    <link href="styles.css" rel="stylesheet">
    
    
<script src="https://cdn.syncfusion.com/ej2/34.2.2/dist/ej2.min.js" type="text/javascript"></script>
</head>

<body>
    
    <div id="container">
        <input id="element">
    </div>


<script>
var ele = document.getElementById('container');
if(ele) {
  ele.style.visibility = "visible";
}   
      </script>
<script src="index.js" type="text/javascript"></script>
</body></html>

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Globalization in EJ2 JavaScript DateTime Picker

Right-To-Left