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Getting Started

This section briefly explains how to create a simple Tooltip component and configure its available functionalities in React.

Tooltips can be initialized on,

  • A single element (or)
  • A container that has more than one sub-element within it and the sub-elements are considered as targets.

Dependencies

The following list of dependencies are required to use the Tooltip component in your application.

|-- @syncfusion/ej2-react-popups
    |-- @syncfusion/ej2-base
    |-- @syncfusion/ej2-react-base
    |-- @syncfusion/ej2-popups
        |-- @syncfusion/ej2-buttons

Installation and configuration

  • You can use Create-react-app to setup the applications. To install create-react-app run the following command.
npm install -g create-react-app

Start a new project using create-react-app command as follows

create-react-app quickstart --scripts-version=react-scripts-ts
cd quickstart
  • Install the below required dependency package in order to use the Tooltip component in your application.
npm install @syncfusion/ej2-react-popups –save

The above package installs tooltip dependencies which are required to render the Tooltip component in React environment.

  • Tooltip CSS files are available in the ej2-react-popups package folder. Import the Tooltip component’s required CSS references as follows in src/App.css.
@import "../node_modules/@syncfusion/ej2-react-base/styles/material.css";
@import "../node_modules/@syncfusion/ej2-react-popups/styles/material.css";

We can also use CRG to generate combined component styles.

Initialize the Tooltip on a single element

Import the Tooltip component to your src/App.tsx file using following code.

import * as React from 'react';
import { TooltipComponent } from '@syncfusion/ej2-react-popups';
import './App.css';

export default class App extends React.Component<{}, {}> {
  render() {
    let style: object = {
      display: 'inline-block',
      margin: '60px'
    };
    return (
      <TooltipComponent content="Tooltip Content" style={style}>
        Show Tooltip
      </TooltipComponent>
    );
  }
}
  • Now, run the application in the browser using the following command.
npm start

The output will be as follows:

Source
Preview
index.tsx
index.html
import * as React from 'react';
import * as ReactDom from 'react-dom';
import { TooltipComponent } from '@syncfusion/ej2-react-popups';
import { ButtonComponent } from '@syncfusion/ej2-react-buttons';

class App extends React.Component<{}, {}> {
  render() {
    return (
      <div id="container">
        <TooltipComponent position="TopCenter" content="Tooltip Content" target="#target">
          <ButtonComponent cssClass="tooltipElement" id="target" content="Show Tooltip" />
        </TooltipComponent>
      </div>
    );
  }
}
ReactDom.render(<App />, document.getElementById('sample'));
<!DOCTYPE html>
<html lang="en">

<head>
    <title>Syncfusion React Tooltip</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-popups/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-inputs/styles/material.css" rel="stylesheet" />
    <link href="index.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>
</head>

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

</html>

Initialize Tooltip within a container

You can create Tooltips on multiple targets within a container. To do so, you have to define specific target elements to the target property so that the Tooltip is initialized only on matched targets within a container. In this case, the Tooltip content is assigned from the title attribute of the target element.

Refer to the following code example to create a Tooltip on multiple targets within a container.

Source
Preview
index.tsx
index.html
index.css
import * as React from 'react';
import * as ReactDom from 'react-dom';
import { TooltipComponent } from '@syncfusion/ej2-react-popups';
import { ButtonComponent } from '@syncfusion/ej2-react-buttons';

class App extends React.Component<{}, {}> {
  render() {
    return (
      <div id='container'>
        <TooltipComponent id="details" target='.e-info' position='RightCenter'>
          <form id="details" role="form">
              <table>
                  <tr>
                      <td className="info">User Name</td>
                      <td>
                          <input type="text" className="e-info" name="firstname" title="Please enter your name" /> </td>
                  </tr>
                  <tr>
                      <td className="info">Email Address</td>
                      <td>
                          <input type="text" className="e-info" name="email" title="Enter a valid email address" />
                      </td>
                  </tr>
                  <tr>
                      <td className="info">Password</td>
                      <td>
                          <input type="password" className="e-info" name="password" title="Be at least 8 characters length" />
                      </td>
                  </tr>
                  <tr>
                      <td className="info">Confirm Password</td>
                      <td>
                          <input type="password" className="e-info" name="Cpwd" title="Re-enter your password" />
                      </td>
                  </tr>
                  <tr>
                      <td>
                          <ButtonComponent id="sample" className="center" content="Submit"/>
                      </td>
                      <td>
                          <ButtonComponent id="reset" className="center" content="Reset"/>
                      </td>
                  </tr>
              </table>
          </form>
        </TooltipComponent>
      </div>
    );
  }
}
ReactDom.render(<App />, document.getElementById('sample'));
<!DOCTYPE html>
<html lang="en">

<head>
    <title>Syncfusion React Tooltip</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-popups/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-buttons/styles/material.css" rel="stylesheet" />
    <link href="index.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%;
        }

        .wrap {
            margin: 5px;
        }

        .drop-inline {
            display: inline-block;
            margin-top: 10px;
            width: 150px;
        }

        .tooltip-box {
            background-color: #ececec;
            border: 1px solid #c8c8c8;
            box-sizing: border-box;
            margin: 80px auto;
            padding: 10px;
            width: 100px;
        }

        #details table th,
        #details table td {
            padding: 15px;
            text-align: left;
        }

        #details .info {
            font-weight: bold;
        }

        #sample, #clear {
            margin: 10px;
        }

        #targetContainer {
            border: 1px solid #c8c8c8;
            box-sizing: border-box;
            height: 360px;
            margin: 5px;
            overflow: hidden;
            position: relative;
        }

        #demoSmart {
            background: rebeccapurple;
            height: 40px;
            left: 35%;
            position: absolute;
            top: 35%;
            width: 40px;
        }

        #box {
            display: inline-block;
            margin: 60px;
        }

        #disabledbutton {
            pointer-events: none;
        }

        .blocks {
            background-color: #ececec;
            border: 1px solid #c8c8c8;
            box-sizing: border-box;
            display: inline-block;
            line-height: 50px;
            margin: 0 10px 10px 0;
            overflow: hidden;
            text-align: center;
            vertical-align: middle;
            width: 200px;
        }

        .blocks input {
            line-height: normal;
        }

        .circle-container {
            border: 1px solid #c8c8c8;
            box-sizing: border-box;
            height: 200px;
            margin-left: 10px;
            margin-right: 10px;
            position: relative;
        }

        .circle-tool {
            background: #9acd32;
            border-radius: 50px;
            height: 20px;
            position: absolute;
            width: 20px;
        }
    </style>
</head>

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

</html>
#container {
    width: 500px;
    margin: auto;
    transform: translateX(10%);
}

#loader {
    color: #008cff;
    height: 40px;
    left: 45%;
    position: absolute;
    top: 45%;
    width: 30%;
}

#details table th,
#details table td {
    padding: 20px 10px;
    text-align: left;
}

#details .info {
    font-size: 14px;
    text-align: left;
    font-weight: 500;
}

.center {
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}

In the above sample, details refers to the container’s id, and the target .e-info refers to the target elements available within that container.

See Also

Positioning Tooltip

Tooltip Open Mode

Customize the Tooltip