Seafile React Image Lightbox

  


A flexible lightbox component for displaying images in a React project.

DEMO

Features

- Keyboard shortcuts (with rate limiting)
- Image Zoom
- Flexible rendering using src values assigned on the fly
- Image preloading for smoother viewing
- Mobile friendly, with pinch to zoom and swipe (Thanks, @webcarrot!)
- No external CSS

Example

``jsx
import React, { Component } from 'react';
import Lightbox from 'react-image-lightbox';
import 'react-image-lightbox/style.css'; // This only needs to be imported once in your app

const images = [
'//placekitten.com/1500/500',
'//placekitten.com/4000/3000',
'//placekitten.com/800/1200',
'//placekitten.com/1500/1500',
];

export default class LightboxExample extends Component {
constructor(props) {
super(props);

this.state = {
photoIndex: 0,
isOpen: false,
};
}

render() {
const { photoIndex, isOpen } = this.state;

return (



);
}
}
`

Play with the code on the example on CodeSandbox

Options

| Property | Type | Description |
| :------------------------------ | :----: | :------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| mainSrc
_(required)_ | string | Main display image url |
| prevSrc | string | Previous display image url (displayed to the left). If left undefined, onMovePrevRequest will not be called, and the button not displayed |
| nextSrc | string | Next display image url (displayed to the right). If left undefined, onMoveNextRequest will not be called, and the button not displayed |
| mainSrcThumbnail | string | Thumbnail image url corresponding to props.mainSrc. Displayed as a placeholder while the full-sized image loads. |
| prevSrcThumbnail | string | Thumbnail image url corresponding to props.prevSrc. Displayed as a placeholder while the full-sized image loads. |
| nextSrcThumbnail | string | Thumbnail image url corresponding to props.nextSrc. Displayed as a placeholder while the full-sized image loads. |
| onCloseRequest
_(required)_ | func | Close window event. Should change the parent state such that the lightbox is not rendered |
| onMovePrevRequest | func | Move to previous image event. Should change the parent state such that props.prevSrc becomes props.mainSrc, props.mainSrc becomes props.nextSrc, etc. |
| onMoveNextRequest | func | Move to next image event. Should change the parent state such that props.nextSrc becomes props.mainSrc, props.mainSrc becomes props.prevSrc, etc. |
| onImageLoad | func | Called when an image loads.

|
| onImageLoadError | func | Called when an image fails to load. |
| imageLoadErrorMessage | node | What is rendered in place of an image if it fails to load. Centered in the lightbox viewport. Defaults to the string "This image failed to load". |
| onAfterOpen | func | Called after the modal has rendered. |
| discourageDownloads | bool | When true, enables download discouragement (preventing [right-click -> Save Image As...]). Defaults to false. |
| animationDisabled | bool | When true, image sliding animations are disabled. Defaults to false. |
| animationOnKeyInput | bool | When true, sliding animations are enabled on actions performed with keyboard shortcuts. Defaults to false. |
| animationDuration | number | Animation duration (ms). Defaults to 300. |
| keyRepeatLimit | number | Required interval of time (ms) between key actions (prevents excessively fast navigation of images). Defaults to 180. |
| keyRepeatKeyupBonus | number | Amount of time (ms) restored after each keyup (makes rapid key presses slightly faster than holding down the key to navigate images). Defaults to 40. |
| imageTitle | node | Image title (Descriptive element above image) |
| imageCaption | node | Image caption (Descriptive element below image) |
| imageCrossOrigin | string | crossorigin attribute to append to img elements (MDN documentation) |
| toolbarButtons | node[] | Array of custom toolbar buttons |
| reactModalStyle | Object | Set z-index style, etc., for the parent react-modal (react-modal style format) |
| reactModalProps | Object | Override props set on react-modal (https://github.com/reactjs/react-modal) |
| imagePadding | number | Padding (px) between the edge of the window and the lightbox. Defaults to 10. |
| clickOutsideToClose | bool | When true, clicks outside of the image close the lightbox. Defaults to true. |
| enableZoom | bool | Set to false to disable zoom functionality and hide zoom buttons. Defaults to true. |
| wrapperClassName | string | Class name which will be applied to root element after React Modal |
| nextLabel | string | aria-label set on the 'Next' button. Defaults to 'Next image'. |
| prevLabel | string | aria-label set on the 'Previous' button. Defaults to 'Previous image'. |
| zoomInLabel | string | aria-label set on the 'Zoom In' button. Defaults to 'Zoom in'. |
| zoomOutLabel | string | aria-label set on the 'Zoom Out' button. Defaults to 'Zoom out'. |
| closeLabel | string | aria-label set on the 'Close Lightbox' button. Defaults to 'Close lightbox'. |

Browser Compatibility

| Browser | Works? |
| :------ | :----- |
| Chrome | Yes |
| Firefox | Yes |
| Safari | Yes |
| IE 11 | Yes |

Contributing

After cloning the repository and running npm install inside, you can use the following commands to develop and build the project.

`sh


Starts a webpack dev server that hosts a demo page with the lightbox.

It uses react-hot-loader so changes are reflected on save.

npm start

Lints the code with eslint and my custom rules.

npm run lint

Lints and builds the code, placing the result in the dist directory.

This build is necessary to reflect changes if you're

npm link-ed to this repository from another local project.


npm run build
``

Pull requests are welcome!

License

MIT