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Header Customization in React Schedule component

22 Jul 2021 / 6 minutes to read

The header part of Scheduler can be customized easily with the built-in options available.

Show or Hide header bar

By default, the header bar holds the date and view navigation options, through which the user can switch between the dates and various views. This header bar can be hidden from the UI by setting false to the showHeaderBar property. It’s default value is true.

Source
Preview
index.jsx
index.tsx
index.html
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import * as React from 'react';
import * as ReactDOM from "react-dom";
import { ScheduleComponent, Day, Week, WorkWeek, Inject, ViewsDirective, ViewDirective } from '@syncfusion/ej2-react-schedule';
import { extend } from '@syncfusion/ej2-base';
import { scheduleData } from './datasource';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.data = extend([], scheduleData, null, true);
    }
    render() {
        return <ScheduleComponent width='100%' height='550px' selectedDate={new Date(2018, 1, 15)} showHeaderBar={false} eventSettings={{ dataSource: this.data }}>
            <ViewsDirective>
                <ViewDirective option='Day'/>
                <ViewDirective option='Week'/>
                <ViewDirective option='WorkWeek'/>
            </ViewsDirective>
            <Inject services={[Day, Week, WorkWeek]}/>
        </ScheduleComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById('schedule'));
Copied to clipboard
import * as React from 'react';
import * as ReactDOM from "react-dom";
import {
ScheduleComponent, Day, Week, WorkWeek, Inject,  ViewsDirective, ViewDirective } from '@syncfusion/ej2-react-schedule';
import { extend } from '@syncfusion/ej2-base';
import { scheduleData } from './datasource';

class App extends React.Component<{}, {}>{
    private data: Object[] = extend([], scheduleData, null, true) as Object[];
    render() {
    return <ScheduleComponent width='100%' height='550px' selectedDate={new Date(2018, 1, 15)}  showHeaderBar={false} eventSettings={{ dataSource: this.data }} >
            <ViewsDirective>
                <ViewDirective option='Day' />
                <ViewDirective option='Week' />
                <ViewDirective option='WorkWeek' />
            </ViewsDirective>
            <Inject services={[Day, Week, WorkWeek]} />
        </ScheduleComponent>
    }
};
ReactDOM.render(<App />, document.getElementById('schedule'));
Copied to clipboard
<!DOCTYPE html>
<html lang="en">

<head>
    <title>Syncfusion React Schedule</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Essential JS 2 for React Components" />
    <meta name="author" content="Syncfusion" />
    <link href="//cdn.syncfusion.com/ej2/ej2-base/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-buttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-calendars/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-dropdowns/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-inputs/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-navigations/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-popups/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-schedule/styles/material.css" rel="stylesheet" />
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
     <style>
        #loader {
            color: #008cff;
            height: 40px;
            left: 45%;
            position: absolute;
            top: 45%;
            width: 30%;
        }
    </style>
</head>

<body>
        <div id='schedule'>
            <div id='loader'>Loading....</div>
        </div>
</body>

</html>

Customizing header bar

Apart from the default date navigation and view options available on the header bar, you can add custom items into the Scheduler header bar by making use of the actionBegin event. Here, an employee image is added to the header bar, clicking on which will open the popup showing that person’s short profile information.

Source
Preview
index.jsx
index.tsx
index.html
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import * as ReactDOM from 'react-dom';
import * as React from 'react';
import { ScheduleComponent, ViewsDirective, ViewDirective, Month, Inject } from '@syncfusion/ej2-react-schedule';
import { createElement, compile, extend } from '@syncfusion/ej2-base';
import { Popup } from '@syncfusion/ej2-popups';
import { scheduleData } from './datasource';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.data = extend([], scheduleData, null, true);
    }
    onActionBegin(args) {
        if (args.requestType === 'toolbarItemRendering') {
            let userIconItem = {
                align: 'Right', prefixIcon: 'user-icon', text: 'Nancy', cssClass: 'e-schedule-user-icon'
            };
            args.items.push(userIconItem);
        }
    }
    onActionComplete(args) {
        let scheduleElement = document.getElementById('schedule');
        if (args.requestType === 'toolBarItemRendered') {
            let userIconEle = scheduleElement.querySelector('.e-schedule-user-icon');
            userIconEle.onclick = () => {
                this.profilePopup.relateTo = userIconEle;
                this.profilePopup.dataBind();
                if (this.profilePopup.element.classList.contains('e-popup-close')) {
                    this.profilePopup.show();
                }
                else {
                    this.profilePopup.hide();
                }
            };
        }
        let userContentEle = createElement('div', {
            className: 'e-profile-wrapper'
        });
        scheduleElement.parentElement.appendChild(userContentEle);
        let userIconEle = scheduleElement.querySelector('.e-schedule-user-icon');
        let getDOMString = compile('<div class="profile-container"><div class="profile-image">' +
            '</div><div class="content-wrap"><div class="name">Nancy</div>' +
            '<div class="destination">Product Manager</div><div class="status">' +
            '<div class="status-icon"></div>Online</div></div></div>');
        let output = getDOMString({});
        this.profilePopup = new Popup(userContentEle, {
            content: output[0],
            relateTo: userIconEle,
            position: { X: 'left', Y: 'bottom' },
            collision: { X: 'flip', Y: 'flip' },
            targetType: 'relative',
            viewPortElement: scheduleElement,
            width: 185,
            height: 80
        });
        this.profilePopup.hide();
    }
    render() {
        return <ScheduleComponent cssClass='schedule-header-bar' width='100%' height='550px' id='schedule' selectedDate={new Date(2018, 1, 15)} eventSettings={{ dataSource: this.data }} actionBegin={this.onActionBegin.bind(this)} actionComplete={this.onActionComplete.bind(this)}>
              <ViewsDirective>
                <ViewDirective option='Month'/>
              </ViewsDirective>
              <Inject services={[Month]}/>
            </ScheduleComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById('schedule'));
Copied to clipboard
import * as ReactDOM from 'react-dom';
import * as React from 'react';
import {
  ScheduleComponent, ViewsDirective, ViewDirective, Month, Inject, ActionEventArgs, ToolbarActionArgs
} from '@syncfusion/ej2-react-schedule';
import { createElement, compile, extend } from '@syncfusion/ej2-base';
import { ItemModel } from '@syncfusion/ej2-react-navigations';
import { Popup } from '@syncfusion/ej2-popups';
import { scheduleData } from './datasource';

class App extends React.Component<{}, {}>{
    private data: Object[] = extend([], scheduleData, null, true) as Object[];
    private profilePopup: Popup;
    private onActionBegin(args: ActionEventArgs & ToolbarActionArgs): void {
    if (args.requestType === 'toolbarItemRendering') {
      let userIconItem: ItemModel = {
        align: 'Right', prefixIcon: 'user-icon', text: 'Nancy', cssClass: 'e-schedule-user-icon'
      };
      args.items.push(userIconItem);
    }
  }
   private onActionComplete(args: ActionEventArgs): void {
    let scheduleElement: HTMLInputElement = document.getElementById('schedule') as HTMLInputElement;
    if (args.requestType === 'toolBarItemRendered') {
      let userIconEle: HTMLElement = scheduleElement.querySelector('.e-schedule-user-icon') as HTMLElement;
      userIconEle.onclick = () => {
        this.profilePopup.relateTo = userIconEle;
        this.profilePopup.dataBind();
        if (this.profilePopup.element.classList.contains('e-popup-close')) {
          this.profilePopup.show();
        } else {
          this.profilePopup.hide();
        }
      };
    }
    let userContentEle: HTMLElement = createElement('div', {
      className: 'e-profile-wrapper'
    });
    scheduleElement.parentElement.appendChild(userContentEle);

    let userIconEle: HTMLElement = scheduleElement.querySelector('.e-schedule-user-icon') as HTMLElement;
    let getDOMString: (data: object) => HTMLCollection = compile('<div class="profile-container"><div class="profile-image">' +
      '</div><div class="content-wrap"><div class="name">Nancy</div>' +
      '<div class="destination">Product Manager</div><div class="status">' +
      '<div class="status-icon"></div>Online</div></div></div>');
    let output: HTMLCollection = getDOMString({});
    this.profilePopup = new Popup(userContentEle, {
      content: output[0] as HTMLElement,
      relateTo: userIconEle,
      position: { X: 'left', Y: 'bottom' },
      collision: { X: 'flip', Y: 'flip' },
      targetType: 'relative',
      viewPortElement: scheduleElement,
      width: 185,
      height: 80
    });
    this.profilePopup.hide();
  }
  render() {
    return <ScheduleComponent cssClass='schedule-header-bar' width='100%' height='550px' id='schedule'
              selectedDate={new Date(2018, 1, 15)} eventSettings={{ dataSource: this.data }}
              actionBegin={this.onActionBegin.bind(this)} actionComplete={this.onActionComplete.bind(this)}>
              <ViewsDirective>
                <ViewDirective option='Month' />
              </ViewsDirective>
              <Inject services={[Month]} />
            </ScheduleComponent>
    }
};
ReactDOM.render(<App />, document.getElementById('schedule'));
Copied to clipboard
<!DOCTYPE html>
<html lang="en">

<head>
    <title>Syncfusion React Schedule</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Essential JS 2 for React Components" />
    <meta name="author" content="Syncfusion" />
    <link href="//cdn.syncfusion.com/ej2/ej2-base/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-buttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-calendars/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-dropdowns/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-inputs/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-navigations/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-popups/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-schedule/styles/material.css" rel="stylesheet" />
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" />
    <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>
     <style>
        #loader {
            color: #008cff;
            height: 40px;
            left: 45%;
            position: absolute;
            top: 45%;
            width: 30%;
        }
    </style>
</head>

<body>
        <div id='schedule'>
            <div id='loader'>Loading....</div>
        </div>
</body>

</html>

How to display the view options within the header bar popup

By default, the header bar holds the view navigation options, through which the user can switch between various views. You can move this view options to the header bar popup by setting true to the enableAdaptiveUI property.

Source
Preview
index.jsx
index.tsx
index.html
Copied to clipboard
import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { ScheduleComponent, Day, Week, WorkWeek, Month, Agenda, Inject } from '@syncfusion/ej2-react-schedule';
import { extend } from '@syncfusion/ej2-base';
import { scheduleData } from './datasource';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.data = extend([], scheduleData, null, true);
    }
    render() {
        return <ScheduleComponent width='100%' height='500px' selectedDate={new Date(2018, 1, 15)} enableAdaptiveUI={true} eventSettings={{ dataSource: this.data
        }}>
          <Inject services={[Day, Week, WorkWeek, Month, Agenda]}/>
        </ScheduleComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById('schedule'));
Copied to clipboard
import * as React from 'react';
import * as ReactDOM from 'react-dom';
import {
  ScheduleComponent, Day, Week, WorkWeek, Month, Agenda, Inject } from '@syncfusion/ej2-react-schedule';
import { extend } from '@syncfusion/ej2-base';
import { scheduleData } from './datasource';

class App extends React.Component<{}, {}>{
    private data: Object[] = extend([], scheduleData, null, true) as Object[];
    render() {
    return <ScheduleComponent  width='100%' height='500px' selectedDate={new Date(2018, 1, 15)} enableAdaptiveUI={true} eventSettings={ {dataSource:this.data
        } }>
          <Inject services={[Day, Week, WorkWeek, Month, Agenda]} />
        </ScheduleComponent>
    }
};
ReactDOM.render(<App />, document.getElementById('schedule'));
Copied to clipboard
<!DOCTYPE html>
<html lang="en">

<head>
    <title>Syncfusion React Schedule</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Essential JS 2 for React Components" />
    <meta name="author" content="Syncfusion" />
    <link href="//cdn.syncfusion.com/ej2/ej2-base/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-buttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-calendars/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-dropdowns/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-inputs/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-navigations/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-popups/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-schedule/styles/material.css" rel="stylesheet" />
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" />
    <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>
     <style>
        #loader {
            color: #008cff;
            height: 40px;
            left: 45%;
            position: absolute;
            top: 45%;
            width: 30%;
        }
    </style>
</head>

<body>
        <div id='schedule'>
            <div id='loader'>Loading....</div>
        </div>
</body>

</html>

Refer here to know more about adaptive UI in resources scheduler.

Date header customization

The Scheduler UI that displays the date text on all views are considered as the date header cells. You can customize the date header cells of Scheduler either using dateHeaderTemplate or renderCell event.

Using date header template

The dateHeaderTemplate option is used to customize the date header cells of day, week, work-week and timeline views.

Source
Preview
index.jsx
index.tsx
index.html
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import * as ReactDOM from 'react-dom';
import * as React from 'react';
import { ScheduleComponent, ViewsDirective, ViewDirective, Day, Week, WorkWeek, Inject, TimelineViews } from '@syncfusion/ej2-react-schedule';
import { scheduleData } from './datasource';
import { extend, Internationalization } from '@syncfusion/ej2-base';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.data = extend([], scheduleData, null, true);
        this.instance = new Internationalization();
    }
    getDateHeaderText(value) {
        return this.instance.formatDate(value, { skeleton: 'Ed' });
    }
    getWeather(value) {
        switch (value.getDay()) {
            case 0:
                return '<div class="weather-text">25°C</div>';
            case 1:
                return '<div class="weather-text">18°C</div>';
            case 2:
                return '<div class="weather-text">10°C</div>';
            case 3:
                return '<div class="weather-text">16°C</div>';
            case 4:
                return '<div class="weather-text">8°C</div>';
            case 5:
                return '<div class="weather-text">27°C</div>';
            case 6:
                return '<div class="weather-text">17°C</div>';
            default:
                return null;
        }
    }
    dateHeaderTemplate(props) {
        return (<div><div>{this.getDateHeaderText(props.date)}</div><div className="date-text" dangerouslySetInnerHTML={{ __html: this.getWeather(props.date) }}></div></div>);
    }
    render() {
        return <ScheduleComponent width='100%' height='550px' cssClass='schedule-date-header-template' selectedDate={new Date(2018, 1, 15)} eventSettings={{ dataSource: this.data }} dateHeaderTemplate={this.dateHeaderTemplate.bind(this)}>
            <ViewsDirective>
                <ViewDirective option='Day'/>
                <ViewDirective option='Week'/>
                <ViewDirective option='WorkWeek'/>
                <ViewDirective option='TimelineWeek'/>
            </ViewsDirective>
            <Inject services={[Day, Week, WorkWeek, TimelineViews]}/>
        </ScheduleComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById('schedule'));
Copied to clipboard
import * as ReactDOM from 'react-dom';
import * as React from 'react';
import { ScheduleComponent, ViewsDirective, ViewDirective, View, Day, Week, WorkWeek, Month, RenderCellEventArgs, Inject, TimelineViews } from '@syncfusion/ej2-react-schedule';
import { scheduleData } from './datasource';
import { extend, Internationalization } from '@syncfusion/ej2-base';

class App extends React.Component<{}, {}>{
    private data: Object[] = extend([], scheduleData, null, true) as Object[];
    private instance: Internationalization = new Internationalization();
    private getDateHeaderText(value: Date): string {
    return this.instance.formatDate(value, { skeleton: 'Ed' });
    }
  private getWeather(value: Date) {
    switch (value.getDay()) {
      case 0:
        return '<div class="weather-text">25°C</div>';
      case 1:
        return '<div class="weather-text">18°C</div>';
      case 2:
        return '<div class="weather-text">10°C</div>';
      case 3:
        return '<div class="weather-text">16°C</div>';
      case 4:
        return '<div class="weather-text">8°C</div>';
      case 5:
        return '<div class="weather-text">27°C</div>';
      case 6:
        return '<div class="weather-text">17°C</div>';
      default:
        return null;
    }
  }
  private dateHeaderTemplate(props): JSX.Element {
    return (<div><div>{this.getDateHeaderText(props.date)}</div><div className="date-text" dangerouslySetInnerHTML={ { __html: this.getWeather(props.date) } }></div></div>);
  }

  render() {
    return <ScheduleComponent width='100%' height='550px' cssClass='schedule-date-header-template'
    selectedDate={new Date(2018, 1, 15)} eventSettings={{ dataSource: this.data }}
    dateHeaderTemplate={this.dateHeaderTemplate.bind(this)}>
            <ViewsDirective>
                <ViewDirective option='Day' />
                <ViewDirective option='Week' />
                <ViewDirective option='WorkWeek' />
                <ViewDirective option='TimelineWeek' />
            </ViewsDirective>
            <Inject services={[Day, Week, WorkWeek, TimelineViews]} />
        </ScheduleComponent>
    }
};
ReactDOM.render(<App />, document.getElementById('schedule'));
Copied to clipboard
<!DOCTYPE html>
<html lang="en">

<head>
    <title>Syncfusion React Schedule</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Essential JS 2 for React Components" />
    <meta name="author" content="Syncfusion" />
    <link href="//cdn.syncfusion.com/ej2/ej2-base/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-buttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-calendars/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-dropdowns/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-inputs/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-navigations/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-popups/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-schedule/styles/material.css" rel="stylesheet" />
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" />
    <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>
     <style>
        #loader {
            color: #008cff;
            height: 40px;
            left: 45%;
            position: absolute;
            top: 45%;
            width: 30%;
        }
    </style>
</head>

<body>
        <div id='schedule'>
            <div id='loader'>Loading....</div>
        </div>
</body>

</html>

Using renderCell event

In month view, the date header template is not applicable and therefore the same customization can be added beside the date text in month cells by making use of the renderCell event.

Source
Preview
index.jsx
index.tsx
index.html
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import * as ReactDOM from 'react-dom';
import * as React from 'react';
import { ScheduleComponent, ViewsDirective, ViewDirective, Month, Inject } from '@syncfusion/ej2-react-schedule';
import { scheduleData } from './datasource';
import { extend } from '@syncfusion/ej2-base';
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.data = extend([], scheduleData, null, true);
    }
    getWeather(value) {
        switch (value.getDay()) {
            case 0:
                return '<div class="weather-text">25°C</div>';
            case 1:
                return '<div class="weather-text">18°C</div>';
            case 2:
                return '<div class="weather-text">10°C</div>';
            case 3:
                return '<div class="weather-text">16°C</div>';
            case 4:
                return '<div class="weather-text">8°C</div>';
            case 5:
                return '<div class="weather-text">27°C</div>';
            case 6:
                return '<div class="weather-text">17°C</div>';
            default:
                return null;
        }
    }
    onRenderCell(args) {
        if (args.elementType === 'monthCells') {
            let ele = document.createElement('div');
            ele.innerHTML = this.getWeather(args.date);
            (args.element).appendChild(ele.firstChild);
        }
    }
    render() {
        return <ScheduleComponent width='100%' height='550px' cssClass='schedule-date-header-template' renderCell={this.onRenderCell.bind(this)} selectedDate={new Date(2018, 1, 15)} eventSettings={{ dataSource: this.data }}>
            <ViewsDirective>
                <ViewDirective option='Month'/>
            </ViewsDirective>
            <Inject services={[Month]}/>
        </ScheduleComponent>;
    }
}
;
ReactDOM.render(<App />, document.getElementById('schedule'));
Copied to clipboard
import * as ReactDOM from 'react-dom';
import * as React from 'react';
import { ScheduleComponent, ViewsDirective, ViewDirective, View, Month, RenderCellEventArgs, Inject } from '@syncfusion/ej2-react-schedule';
import { scheduleData } from './datasource';
import { extend, Internationalization } from '@syncfusion/ej2-base';

class App extends React.Component<{}, {}>{
    private data: Object[] = extend([], scheduleData, null, true) as Object[];
  private getWeather(value: Date) {
    switch (value.getDay()) {
      case 0:
        return '<div class="weather-text">25°C</div>';
      case 1:
        return '<div class="weather-text">18°C</div>';
      case 2:
        return '<div class="weather-text">10°C</div>';
      case 3:
        return '<div class="weather-text">16°C</div>';
      case 4:
        return '<div class="weather-text">8°C</div>';
      case 5:
        return '<div class="weather-text">27°C</div>';
      case 6:
        return '<div class="weather-text">17°C</div>';
      default:
        return null;
    }
  }
  private onRenderCell(args: RenderCellEventArgs): void {
    if (args.elementType === 'monthCells') {
      let ele: Element = document.createElement('div');
      ele.innerHTML = this.getWeather(args.date);
      (args.element).appendChild(ele.firstChild);
    }
  }

  render() {
    return <ScheduleComponent width='100%' height='550px' cssClass='schedule-date-header-template'
    renderCell={this.onRenderCell.bind(this)} selectedDate={new Date(2018, 1, 15)} eventSettings={{ dataSource: this.data }}>
            <ViewsDirective>
                <ViewDirective option='Month' />
            </ViewsDirective>
            <Inject services={[ Month]} />
        </ScheduleComponent>
    }
};
ReactDOM.render(<App />, document.getElementById('schedule'));
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<!DOCTYPE html>
<html lang="en">

<head>
    <title>Syncfusion React Schedule</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Essential JS 2 for React Components" />
    <meta name="author" content="Syncfusion" />
    <link href="//cdn.syncfusion.com/ej2/ej2-base/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-buttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-calendars/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-dropdowns/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-inputs/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-navigations/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-popups/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-schedule/styles/material.css" rel="stylesheet" />
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" />
    <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>
     <style>
        #loader {
            color: #008cff;
            height: 40px;
            left: 45%;
            position: absolute;
            top: 45%;
            width: 30%;
        }
    </style>
</head>

<body>
        <div id='schedule'>
            <div id='loader'>Loading....</div>
        </div>
</body>

</html>

You can refer to our React Scheduler feature tour page for its groundbreaking feature representations. You can also explore our React Scheduler example to knows how to present and manipulate data.

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