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{ | ||
"presets": ["es2015", "stage-2", "react"] | ||
} |
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{ | ||
"parser": "babel-eslint", | ||
"env": { | ||
"browser": true, | ||
"node": true, | ||
"es6": true | ||
}, | ||
"ecmaFeatures": { | ||
"modules": true | ||
}, | ||
"rules": { | ||
"no-bitwise": 2, | ||
"no-else-return": 2, | ||
"no-eq-null": 2, | ||
"no-extra-parens": 0, | ||
"no-floating-decimal": 2, | ||
"no-inner-declarations": [2, "both"], | ||
"no-lonely-if": 2, | ||
"no-multiple-empty-lines": [2, {"max": 3}], | ||
"no-self-compare": 2, | ||
"no-underscore-dangle": 0, | ||
"no-use-before-define": 0, | ||
"no-unused-expressions": 0, | ||
"no-void": 2, | ||
"brace-style": [2, "1tbs"], | ||
"camelcase": [1, {"properties": "never"}], | ||
"consistent-return": 0, | ||
"comma-style": [2, "last"], | ||
"complexity": [1, 12], | ||
"func-names": 0, | ||
"guard-for-in": 2, | ||
"indent": [2, 4], | ||
"max-len": [0, 120, 4], | ||
"new-cap": [2, {"newIsCap": true, "capIsNew": false}], | ||
"quotes": [2, "single"], | ||
"keyword-spacing": [2, {"before": true, "after": true}], | ||
"space-before-blocks": [2, "always"], | ||
"array-bracket-spacing": [2, "never"], | ||
"space-in-parens": [2, "never"], | ||
"strict": [0], | ||
"valid-jsdoc": 2, | ||
"wrap-iife": [2, "any"], | ||
"yoda": [1, "never"] | ||
}, | ||
"plugins": [ | ||
// "react" | ||
], | ||
"globals": { | ||
|
||
} | ||
} |
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.DS_Store | ||
dist/ | ||
npm-debug.log | ||
node_modules |
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*.swp | ||
*~ | ||
*.iml | ||
.*.haste_cache.* | ||
.DS_Store | ||
.idea | ||
.babelrc | ||
.eslintrc | ||
npm-debug.log | ||
lib |
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MIT License | ||
|
||
Copyright (c) 2016 Ethan Selzer | ||
|
||
Permission is hereby granted, free of charge, to any person obtaining a copy | ||
of this software and associated documentation files (the "Software"), to deal | ||
in the Software without restriction, including without limitation the rights | ||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
copies of the Software, and to permit persons to whom the Software is | ||
furnished to do so, subject to the following conditions: | ||
|
||
The above copyright notice and this permission notice shall be included in all | ||
copies or substantial portions of the Software. | ||
|
||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
SOFTWARE. |
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# react-image-magnify | ||
|
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A React component displaying side by side enlarged image view, with tinted control-image mask. | ||
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Intended for desktop, but will be updated with touch experience soon. | ||
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Supports arbitrary image sizes. Scales magnification automatically. | ||
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Supports delaying hover and hover-off, which can help reduce unintentional triggering. | ||
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## Installation | ||
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```sh | ||
npm install --save react-image-magnify | ||
``` | ||
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## Usage | ||
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```JSX | ||
import ReactImageMagnify from 'react-image-magnify'; | ||
... | ||
<ReactImageMagnify {...{ | ||
largeImage: { | ||
alt: 'large image description goes here', | ||
src: 'https://example.com/large/image.jpg', | ||
width: 1200, | ||
height: 1800 | ||
}, | ||
smallImage: { | ||
alt: 'small image description goes here', | ||
src: 'https://example.com/small/image.jpg', | ||
width: 400, | ||
height: 600 | ||
} | ||
}}/> | ||
... | ||
``` | ||
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### Props API | ||
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`className` : String [optional] - A CSS class to be applied to the container element rendered by react-image-magnify. | ||
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`style` : Object [optional] - Style to be applied to the container element rendered by react-image-magnify. | ||
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`hoverDelayInMs` : Number [optional] - Milliseconds to delay hover trigger. Defaults to 250. | ||
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`hoverOffDelayInMs` : Number [optional] - Milliseconds to delay hover-off trigger. Defaults to 150. | ||
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`fadeDurationInMs` : Number [optional] - Milliseconds duration of magnified image fade in/fade out. Defaults to 300. | ||
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`smallImage` : Object - Image struct. | ||
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`largeImage` : Object - Image struct. | ||
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Image struct shape: | ||
``` | ||
{ | ||
alt: String, | ||
src: String, | ||
width: Number, | ||
height: Number | ||
} | ||
``` | ||
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## Support | ||
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Please [open an issue](https://github.com/ethanselzer/react-image-zoom/issues). | ||
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## Development | ||
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```ssh | ||
git clone https://github.com/ethanselzer/react-image-zoom.git | ||
cd react-image-zoom | ||
npm install | ||
``` | ||
See available commands: | ||
```ssh | ||
npm run | ||
``` | ||
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## Contributing | ||
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Please contribute using [Github Flow](https://guides.github.com/introduction/flow/). Create a branch, | ||
add commits, and [open a pull request](https://github.com/ethanselzer/react-image-zoom/compare/). | ||
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## License | ||
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MIT |
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# See http://help.github.com/ignore-files/ for more about ignoring files. | ||
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# dependencies | ||
node_modules | ||
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# testing | ||
coverage | ||
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# production | ||
build | ||
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# misc | ||
.DS_Store | ||
.env | ||
npm-debug.log |
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{ | ||
"name": "example", | ||
"version": "0.1.0", | ||
"private": true, | ||
"devDependencies": { | ||
"react-scripts": "0.6.0" | ||
}, | ||
"dependencies": { | ||
"react": "^15.3.2", | ||
"react-dom": "^15.3.2" | ||
}, | ||
"scripts": { | ||
"start": "react-scripts start", | ||
"build": "react-scripts build", | ||
"test": "react-scripts test --env=jsdom", | ||
"eject": "react-scripts eject" | ||
} | ||
} |
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<!doctype html> | ||
<html lang="en"> | ||
<head> | ||
<meta charset="utf-8"> | ||
<meta name="viewport" content="width=device-width, initial-scale=1"> | ||
<link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico"> | ||
<!-- | ||
Notice the use of %PUBLIC_URL% in the tag above. | ||
It will be replaced with the URL of the `public` folder during the build. | ||
Only files inside the `public` folder can be referenced from the HTML. | ||
Unlike "/favicon.ico" or "favico.ico", "%PUBLIC_URL%/favicon.ico" will | ||
work correctly both with client-side routing and a non-root public URL. | ||
Learn how to configure a non-root public URL by running `npm run build`. | ||
--> | ||
<title>React App</title> | ||
</head> | ||
<body> | ||
<div id="root"></div> | ||
<!-- | ||
This HTML file is a template. | ||
If you open it directly in the browser, you will see an empty page. | ||
You can add webfonts, meta tags, or analytics to this file. | ||
The build step will place the bundled scripts into the <body> tag. | ||
To begin the development, run `npm start`. | ||
To create a production bundle, use `npm run build`. | ||
--> | ||
</body> | ||
</html> |
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.App { | ||
text-align: center; | ||
} | ||
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.App-logo { | ||
animation: App-logo-spin infinite 20s linear; | ||
height: 80px; | ||
} | ||
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.App-header { | ||
background-color: #222; | ||
height: 150px; | ||
padding: 20px; | ||
color: white; | ||
} | ||
|
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.App-intro { | ||
font-size: large; | ||
} | ||
|
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@keyframes App-logo-spin { | ||
from { transform: rotate(0deg); } | ||
to { transform: rotate(360deg); } | ||
} |
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import React, { Component } from 'react'; | ||
import logo from './logo.svg'; | ||
import './App.css'; | ||
import ReactImageZoom from '../../dist/ImageZoom'; | ||
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class App extends Component { | ||
render() { | ||
return ( | ||
<div className="App"> | ||
<div className="App-header"> | ||
<img src={logo} className="App-logo" alt="logo" /> | ||
<h2>Welcome to React</h2> | ||
</div> | ||
<p className="App-intro"> | ||
To get started, edit <code>src/App.js</code> and save to reload. | ||
</p> | ||
<ReactImageZoom {...{ | ||
largeImage: { | ||
alt: 'hello large image', | ||
src: 'https://www.hautelookcdn.com/products/KS8K955S/large/5793611.jpg', | ||
width: 1200, | ||
height: 1800 | ||
}, | ||
smallImage: { | ||
alt: 'hello small image', | ||
src: 'https://www.hautelookcdn.com/products/KS8K955S/large/5793611.jpg?interpolation=lanczos-none&downsize=434:650&output-quality=90&output-format=jpeg', | ||
width: 434, | ||
height: 650 | ||
} | ||
}}/> | ||
</div> | ||
); | ||
} | ||
} | ||
|
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export default App; |
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import React from 'react'; | ||
import ReactDOM from 'react-dom'; | ||
import App from './App'; | ||
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it('renders without crashing', () => { | ||
const div = document.createElement('div'); | ||
ReactDOM.render(<App />, div); | ||
}); |
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body { | ||
margin: 0; | ||
padding: 0; | ||
font-family: sans-serif; | ||
} |
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import React from 'react'; | ||
import ReactDOM from 'react-dom'; | ||
import App from './App'; | ||
import './index.css'; | ||
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ReactDOM.render( | ||
<App />, | ||
document.getElementById('root') | ||
); |
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{ | ||
"name": "react-image-magnify", | ||
"version": "1.0.0", | ||
"description": "A React component displaying side by side enlarged image view, with tinted control-image mask.", | ||
"repository": { | ||
"type": "git", | ||
"url": "https://github.com/ethanselzer/react-image-zoom.git" | ||
}, | ||
"author": "Ethan Selzer <ethanselzer@gmail.com>", | ||
"license": "MIT", | ||
"bugs": { | ||
"url": "https://github.com/ethanselzer/react-image-zoom/issues" | ||
}, | ||
"homepage": "https://github.com/ethanselzer/react-image-zoom", | ||
"keywords": [ | ||
"react-image-zoom", | ||
"photo", | ||
"photograph", | ||
"magnify", | ||
"magnifier", | ||
"enlarge", | ||
"zoomer", | ||
"image magnifier", | ||
"image enlarge", | ||
"image zoomer", | ||
"photo magnifier", | ||
"photo enlarge", | ||
"photo zoom" | ||
], | ||
"main": "dist/ImageZoom.js", | ||
"scripts": { | ||
"prepublish": "babel --plugins 'transform-es2015-modules-umd' src --ignore __tests__ --out-dir ./dist", | ||
"lint": "eslint ./src", | ||
"lintfix": "eslint ./src --fix", | ||
"testonly": "mocha --require scripts/mocha_runner test/*.spec.js", | ||
"test": "npm run lint && npm run testonly", | ||
"test-watch": "npm run testonly -- --watch --watch-extensions js" | ||
}, | ||
"devDependencies": { | ||
"babel-cli": "^6.6.4", | ||
"babel-core": "^6.7.4", | ||
"babel-eslint": "^6.0.2", | ||
"babel-plugin-transform-es2015-modules-umd": "^6.6.5", | ||
"babel-polyfill": "^6.7.4", | ||
"babel-preset-es2015": "^6.6.0", | ||
"babel-preset-react": "^6.5.0", | ||
"babel-preset-stage-2": "^6.5.0", | ||
"chai": "^3.5.0", | ||
"enzyme": "^2.2.0", | ||
"eslint": "^2.7.0", | ||
"eslint-plugin-babel": "^3.1.0", | ||
"eslint-plugin-react": "^4.2.3", | ||
"jsdom": "^8.1.0", | ||
"mocha": "^2.4.5", | ||
"nodemon": "^1.9.1", | ||
"react-addons-test-utils": "^15.0.0", | ||
"react": "^15.0.0", | ||
"react-dom": "^15.0.0", | ||
"sinon": "^1.17.3" | ||
}, | ||
"peerDependencies": { | ||
"react": "~0.14.8 || ^15.0.0", | ||
"react-dom": "~0.14.8 || ^15.0.0" | ||
}, | ||
"dependencies": { | ||
"babel-runtime": "^6.6.1", | ||
"lodash.assign": "^4.2.0", | ||
"lodash.clamp": "^4.0.3", | ||
"react-cursor-position": "^1.1.0", | ||
"react-hover-observer": "^1.1.0" | ||
} | ||
} |
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var jsdom = require('jsdom').jsdom; | ||
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var exposedProperties = ['window', 'navigator', 'document']; | ||
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global.document = jsdom(''); | ||
global.window = document.defaultView; | ||
Object.keys(document.defaultView).forEach((property) => { | ||
if (typeof global[property] === 'undefined') { | ||
exposedProperties.push(property); | ||
global[property] = document.defaultView[property]; | ||
} | ||
}); | ||
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global.navigator = { | ||
userAgent: 'node.js' | ||
}; | ||
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documentRef = document; | ||
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require('babel-core/register'); | ||
require('babel-polyfill'); |
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import React, { PropTypes } from 'react'; | ||
import ReactCursorPosition from 'react-cursor-position'; | ||
import ReactHoverObserver from 'react-hover-observer'; | ||
import LensTop from './ImageZoomLensTop'; | ||
import LensLeft from './ImageZoomLensLeft'; | ||
import LensRight from './ImageZoomLensRight'; | ||
import LensBottom from './ImageZoomLensBottom'; | ||
import Magnifier from './ImageZoomMagnifier'; | ||
|
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const ImageZoom = ({ | ||
className, | ||
fadeDurationInMs, | ||
hoverDelayInMs, | ||
hoverOffDelayInMs, | ||
largeImage, | ||
smallImage, | ||
style | ||
}) => { | ||
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const cursorOffset = { | ||
x: Math.round(((smallImage.width / largeImage.width) * smallImage.width) / 2), | ||
y: Math.round(((smallImage.height / largeImage.height) * smallImage.height) / 2) | ||
}; | ||
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return ( | ||
<ReactCursorPosition { ...{ | ||
className, | ||
style: Object.assign({ | ||
width: `${smallImage.width}px`, | ||
height: `${smallImage.height}px`, | ||
cursor: 'crosshair', | ||
position: 'relative' | ||
}, style) | ||
}}> | ||
<ReactHoverObserver { ...{ | ||
hoverDelayInMs, | ||
hoverOffDelayInMs, | ||
onMouseEnter: ({ setIsHovering }) => setIsHovering(), | ||
onMouseLeave: ({ unsetIsHovering }) => unsetIsHovering(), | ||
onMouseOver: ({ e, unsetIsHovering }) => { | ||
if (e.target.getAttribute('data-hover') === 'false') { | ||
unsetIsHovering(); | ||
} | ||
} | ||
}}> | ||
<img { ...{ | ||
src: smallImage.src, | ||
alt: smallImage.alt | ||
}} /> | ||
<LensTop { ...{ | ||
fadeDurationInMs, | ||
smallImage, | ||
cursorOffset | ||
}} /> | ||
<LensLeft { ...{ | ||
fadeDurationInMs, | ||
smallImage, | ||
cursorOffset | ||
}} /> | ||
<LensRight { ...{ | ||
fadeDurationInMs, | ||
smallImage, | ||
cursorOffset | ||
}} /> | ||
<LensBottom { ...{ | ||
fadeDurationInMs, | ||
smallImage, | ||
cursorOffset | ||
}} /> | ||
<Magnifier { ...{ | ||
fadeDurationInMs, | ||
largeImage, | ||
smallImage, | ||
cursorOffset | ||
}}/> | ||
</ReactHoverObserver> | ||
</ReactCursorPosition> | ||
); | ||
} | ||
|
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const Image = PropTypes.shape({ | ||
alt: PropTypes.string, | ||
src: PropTypes.string.isRequired, | ||
width: PropTypes.number.isRequired, | ||
height: PropTypes.number.isRequired | ||
}); | ||
|
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ImageZoom.propTypes = { | ||
fadeDurationInMs: PropTypes.number, | ||
className: PropTypes.string, | ||
hoverDelayInMs: PropTypes.number, | ||
hoverOffDelayInMs: PropTypes.number, | ||
largeImage: Image, | ||
smallImage: Image, | ||
style: PropTypes.object | ||
}; | ||
|
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ImageZoom.defaultProps = { | ||
fadeDurationInMs: 300, | ||
hoverDelayInMs: 250, | ||
hoverOffDelayInMs: 150 | ||
}; | ||
|
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export default ImageZoom; |
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import React, { PropTypes } from 'react'; | ||
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const ImageZoomLens = (props) => { | ||
const { | ||
fadeDurationInMs, | ||
isHovering, | ||
style, | ||
translateX, | ||
translateY | ||
} = props; | ||
const translate = `translate(${translateX}px, ${translateY}px)`; | ||
const defaultStyle = { | ||
position: 'absolute', | ||
transform: translate, | ||
WebkitTransform: translate, | ||
msTransform: translate, | ||
opacity: isHovering ? 1 : 0, | ||
transition: `opacity ${fadeDurationInMs}ms ease-in` | ||
}; | ||
|
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return <div style={ Object.assign({}, defaultStyle, style) }/>; | ||
} | ||
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ImageZoomLens.propTypes = { | ||
fadeDurationInMs: PropTypes.number, | ||
isHovering: PropTypes.bool, | ||
style: PropTypes.shape({ | ||
width: PropTypes.string, | ||
height: PropTypes.string, | ||
top: PropTypes.string, | ||
right: PropTypes.string, | ||
bottom: PropTypes.string, | ||
left: PropTypes.string, | ||
display: PropTypes.string, | ||
backgroundColor: PropTypes.string, | ||
cursor: PropTypes.string, | ||
}), | ||
translateX: PropTypes.number, | ||
translateY: PropTypes.number | ||
}; | ||
|
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ImageZoomLens.defaultProps = { | ||
isHovering: false, | ||
fadeDurationInMs: 0, | ||
style: { | ||
width: 'auto', | ||
height: 'auto', | ||
top: 'auto', | ||
right: 'auto', | ||
bottom: 'auto', | ||
left: 'auto', | ||
display: 'block', | ||
backgroundColor: 'transparent', | ||
cursor: 'auto' | ||
}, | ||
translateX: 0, | ||
translateY: 0 | ||
}; | ||
|
||
export default ImageZoomLens; |
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import React from 'react'; | ||
import clamp from 'lodash.clamp'; | ||
import Lens from './ImageZoomLens'; | ||
|
||
export default ({ | ||
cursorOffset, | ||
cursorPosition, | ||
isHovering, | ||
smallImage | ||
}) => { | ||
|
||
const maxHeight = smallImage.height - (cursorOffset.y * 2); | ||
const height = clamp(smallImage.height - cursorPosition.y - cursorOffset.y, 0, maxHeight); | ||
|
||
return ( | ||
<Lens {...{ | ||
isHovering, | ||
style: { | ||
height: `${height}px`, | ||
width: '100%', | ||
backgroundColor: 'rgba(0,0,0,.4)', | ||
bottom: '0px' | ||
} | ||
}}/> | ||
); | ||
} |
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import React from 'react'; | ||
import clamp from 'lodash.clamp'; | ||
import Lens from './ImageZoomLens'; | ||
|
||
export default ({ | ||
cursorOffset, | ||
cursorPosition, | ||
isHovering, | ||
smallImage, | ||
}) => { | ||
|
||
const height = cursorOffset.y * 2; | ||
const maxHeight = smallImage.height - height; | ||
const maxWidth = smallImage.width - (cursorOffset.x * 2); | ||
const width = clamp(cursorPosition.x - cursorOffset.x, 0, maxWidth); | ||
const translateY = clamp(cursorPosition.y - cursorOffset.y, 0, maxHeight); | ||
|
||
return ( | ||
<Lens {...{ | ||
isHovering, | ||
style: { | ||
height: `${height}px`, | ||
width: `${width}px`, | ||
backgroundColor: 'rgba(0,0,0,.4)', | ||
top: '0px', | ||
left: '0px' | ||
}, | ||
translateY | ||
}}/> | ||
); | ||
} |
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import React from 'react'; | ||
import clamp from 'lodash.clamp'; | ||
import Lens from './ImageZoomLens'; | ||
|
||
export default ({ | ||
cursorOffset, | ||
cursorPosition, | ||
isHovering, | ||
smallImage, | ||
}) => { | ||
|
||
const height = cursorOffset.y * 2; | ||
const maxHeight = smallImage.height - height; | ||
const maxWidth = smallImage.width - (cursorOffset.x * 2); | ||
const width = clamp(smallImage.width - cursorPosition.x - cursorOffset.x, 0, maxWidth); | ||
const translateY = clamp(Math.round(cursorPosition.y - cursorOffset.y), 0, maxHeight); | ||
|
||
return ( | ||
<Lens {...{ | ||
isHovering, | ||
style: { | ||
height: `${height}px`, | ||
width: `${width}px`, | ||
backgroundColor: 'rgba(0,0,0,.4)', | ||
top: '0px', | ||
right: '0px' | ||
}, | ||
translateY | ||
}}/> | ||
); | ||
} |
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import React from 'react'; | ||
import clamp from 'lodash.clamp'; | ||
import Lens from './ImageZoomLens'; | ||
|
||
export default ({ | ||
cursorOffset, | ||
cursorPosition, | ||
isHovering, | ||
smallImage | ||
}) => { | ||
|
||
const maxHeight = smallImage.height - (cursorOffset.y * 2); | ||
const height = clamp(cursorPosition.y - cursorOffset.y, 0, maxHeight); | ||
|
||
return ( | ||
<Lens {...{ | ||
isHovering, | ||
style: { | ||
height: `${height}px`, | ||
width: '100%', | ||
backgroundColor: 'rgba(0,0,0,.4)', | ||
top: '0px' | ||
} | ||
}}/> | ||
); | ||
} |
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import React from 'react'; | ||
import clamp from 'lodash.clamp'; | ||
|
||
export default React.createClass({ | ||
|
||
displayName: 'ImageZoomMagnifier', | ||
|
||
getInitialState() { | ||
return { | ||
isTransitionEntering: false, | ||
isTransitionActive: false, | ||
isTransitionLeaving: false, | ||
isTransitionDone: false | ||
}; | ||
}, | ||
|
||
getDefaultPRops() { | ||
return { | ||
fadeDurationInMs: 0 | ||
}; | ||
}, | ||
|
||
componentWillReceiveProps(nextProps) { | ||
const { isHovering } = nextProps; | ||
|
||
if (isHovering) { | ||
this.setState({ | ||
isTransitionEntering: true | ||
}); | ||
|
||
setTimeout(() => { | ||
this.setState({ | ||
isTransitionEntering: false, | ||
isTransitionActive: true | ||
}); | ||
}, 0); | ||
} else { | ||
this.setState({ | ||
isTransitionActive: false, | ||
isTransitionLeaving: true | ||
}); | ||
|
||
setTimeout(() => { | ||
this.setState({ | ||
isTransitionLeaving: false, | ||
isTransitionDone: true | ||
}); | ||
}, this.props.fadeDurationInMs); | ||
} | ||
}, | ||
|
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render() { | ||
const { | ||
className, | ||
cursorOffset, | ||
cursorPosition, | ||
fadeDurationInMs, | ||
isHovering, | ||
largeImage, | ||
smallImage | ||
} = this.props; | ||
|
||
const { | ||
isTransitionEntering, | ||
isTransitionActive, | ||
isTransitionLeaving | ||
} = this.state; | ||
|
||
const offsetRatio = { | ||
x: largeImage.width / smallImage.width, | ||
y: largeImage.height / smallImage.height | ||
}; | ||
|
||
const differentiatedImageCoordinates = { | ||
x: (Math.round((cursorPosition.x - cursorOffset.x) * offsetRatio.x) * -1), | ||
y: (Math.round((cursorPosition.y - cursorOffset.y) * offsetRatio.y) * -1) | ||
}; | ||
|
||
const minCoordinates = { | ||
x: ((largeImage.width - smallImage.width) * -1), | ||
y: ((largeImage.height - smallImage.height) * -1) | ||
}; | ||
|
||
const maxCoordinate = 0; | ||
|
||
const imageCoordinates = { | ||
x: clamp(differentiatedImageCoordinates.x, minCoordinates.x, maxCoordinate), | ||
y: clamp(differentiatedImageCoordinates.y, minCoordinates.y, maxCoordinate) | ||
}; | ||
|
||
const translate = `translate(${imageCoordinates.x}px, ${imageCoordinates.y}px)`; | ||
|
||
let isVisible; | ||
if (isTransitionEntering || isTransitionActive || isTransitionLeaving) { | ||
isVisible = true; | ||
} else { | ||
isVisible = false; | ||
} | ||
|
||
const component = ( | ||
<div { ...{ | ||
className, | ||
key: 'zoom', | ||
style: { | ||
width: smallImage.width, | ||
height: smallImage.height, | ||
marginLeft: '10px', | ||
position: 'absolute', | ||
left: '100%', | ||
top: '0px', | ||
border: '1px solid #d6d6d6', | ||
overflow: 'hidden', | ||
opacity: this.state.isTransitionActive ? 1 : 0, | ||
transition: `opacity ${fadeDurationInMs}ms ease-in` | ||
} | ||
}}> | ||
<img data-hover="false" { ...{ | ||
src: largeImage.src, | ||
style: { | ||
width: largeImage.width, | ||
height: largeImage.height, | ||
transform: translate, | ||
WebkitTransform: translate, | ||
msTransform: translate | ||
} | ||
}}/> | ||
</div> | ||
); | ||
|
||
return isVisible ? component : null; | ||
} | ||
}); |
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import React from 'react'; | ||
import { shallow, mount, render } from 'enzyme'; | ||
import { expect } from 'chai'; | ||
import ImageZoomLens from '../src/ImageZoomLens'; | ||
|
||
describe('Image Zoom Lens', () => { | ||
it('applies default inline style', () => { | ||
const expected = 'position:absolute;transform:translate(0px, 0px);-webkit-transform:translate(0px, 0px);-ms-transform:translate(0px, 0px);opacity:0;transition:opacity 0ms ease-in;width:auto;height:auto;top:auto;right:auto;bottom:auto;left:auto;display:block;background-color:transparent;cursor:auto;'; | ||
|
||
const c = render(<ImageZoomLens />); | ||
|
||
expect(c.find('div').attr('style')).to.equal(expected); | ||
}); | ||
|
||
it('applies supplied inline style', () => { | ||
const expected = 'width:1px;height:2px;top:3px;right:4px;bottom:5px;left:6px;display:inline-block;background-color:#fff;cursor:pointer;' | ||
|
||
const c = render( | ||
<ImageZoomLens {...{ | ||
style: { | ||
width: '1px', | ||
height: '2px', | ||
top: '3px', | ||
right: '4px', | ||
bottom: '5px', | ||
left: '6px', | ||
display: 'inline-block', | ||
backgroundColor: '#fff', | ||
cursor: 'pointer' | ||
} | ||
}}/> | ||
); | ||
|
||
expect(c.find('div').attr('style').endsWith(expected)).to.be.true; | ||
}); | ||
|
||
it('applies translateX and translateY props to CSS transform translate function', () => { | ||
const c = render( | ||
<ImageZoomLens {...{ | ||
translateX: 1, | ||
translateY: 2 | ||
}}/> | ||
); | ||
|
||
expect(c.find('div').css('transform')).to.equal('translate(1px, 2px)'); | ||
}); | ||
|
||
it('applies vendor prefixes to inline CSS transform property', () => { | ||
const c = render( | ||
<ImageZoomLens {...{ | ||
translateX: 1, | ||
translateY: 2 | ||
}}/> | ||
); | ||
|
||
expect(c.find('div').css('transform')).to.equal('translate(1px, 2px)'); | ||
expect(c.find('div').css('-ms-transform')).to.equal('translate(1px, 2px)'); | ||
expect(c.find('div').css('-webkit-transform')).to.equal('translate(1px, 2px)'); | ||
}); | ||
|
||
it('applies a value of 0 to CSS opacity property when isHovering is unset', () => { | ||
const c = render(<ImageZoomLens />); | ||
|
||
expect(c.find('div').css('opacity')).to.equal('0'); | ||
}); | ||
|
||
it('applies a value of 1 to CSS opacity property when isHovering is set', () => { | ||
const c = render(<ImageZoomLens isHovering />); | ||
|
||
expect(c.find('div').css('opacity')).to.equal('1'); | ||
}); | ||
|
||
it('applies default CSS opacity transition of 0 milliseconds', () => { | ||
const c = render(<ImageZoomLens />); | ||
|
||
expect(c.find('div').css('transition')).to.equal('opacity 0ms ease-in'); | ||
}); | ||
|
||
it('applies supplied CSS opacity transition', () => { | ||
const c = render(<ImageZoomLens fadeDurationInMs={ 100 } />); | ||
|
||
expect(c.find('div').css('transition')).to.equal('opacity 100ms ease-in'); | ||
}); | ||
}); |