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[added] Collapse Component, replaces CollapsibleMixin
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| class Example extends React.Component { | ||
| constructor(...args){ | ||
| super(...args); | ||
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| this.state = {}; | ||
| } | ||
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| render(){ | ||
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| return ( | ||
| <div> | ||
| <Button onClick={ ()=> this.setState({ open: !this.state.open })}> | ||
| click | ||
| </Button> | ||
| <Collapse in={this.state.open}> | ||
| <div> | ||
| <Well> | ||
| Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. | ||
| Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. | ||
| </Well> | ||
| </div> | ||
| </Collapse> | ||
| </div> | ||
| ); | ||
| } | ||
| } | ||
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| React.render(<Example/>, mountNode); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,200 @@ | ||
| /*eslint-disable react/prop-types */ | ||
| 'use strict'; | ||
| import React from 'react'; | ||
| import Transition from './Transition'; | ||
| import domUtils from './utils/domUtils'; | ||
| import createChainedFunction from './utils/createChainedFunction'; | ||
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| let capitalize = str => str[0].toUpperCase() + str.substr(1); | ||
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| // reading a dimension prop will cause the browser to recalculate, | ||
| // which will let our animations work | ||
| let triggerBrowserReflow = node => node.offsetHeight; //eslint-disable-line no-unused-expressions | ||
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| const MARGINS = { | ||
| height: ['marginTop', 'marginBottom'], | ||
| width: ['marginLeft', 'marginRight'] | ||
| }; | ||
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| function getDimensionValue(dimension, elem){ | ||
| let value = elem[`offset${capitalize(dimension)}`]; | ||
| let computedStyles = domUtils.getComputedStyles(elem); | ||
| let margins = MARGINS[dimension]; | ||
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| return (value + | ||
| parseInt(computedStyles[margins[0]], 10) + | ||
| parseInt(computedStyles[margins[1]], 10) | ||
| ); | ||
| } | ||
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| class Collapse extends React.Component { | ||
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| constructor(props, context){ | ||
| super(props, context); | ||
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| this.onEnterListener = this.handleEnter.bind(this); | ||
| this.onEnteringListener = this.handleEntering.bind(this); | ||
| this.onEnteredListener = this.handleEntered.bind(this); | ||
| this.onExitListener = this.handleExit.bind(this); | ||
| this.onExitingListener = this.handleExiting.bind(this); | ||
| } | ||
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| render() { | ||
| let enter = createChainedFunction(this.onEnterListener, this.props.onEnter); | ||
| let entering = createChainedFunction(this.onEnteringListener, this.props.onEntering); | ||
| let entered = createChainedFunction(this.onEnteredListener, this.props.onEntered); | ||
| let exit = createChainedFunction(this.onExitListener, this.props.onExit); | ||
| let exiting = createChainedFunction(this.onExitingListener, this.props.onExiting); | ||
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| return ( | ||
| <Transition | ||
| ref='transition' | ||
| {...this.props} | ||
| aria-expanded={this.props.in} | ||
| className={this._dimension() === 'width' ? 'width' : ''} | ||
| exitedClassName='collapse' | ||
| exitingClassName='collapsing' | ||
| enteredClassName='collapse in' | ||
| enteringClassName='collapsing' | ||
| onEnter={enter} | ||
| onEntering={entering} | ||
| onEntered={entered} | ||
| onExit={exit} | ||
| onExiting={exiting} | ||
| onExited={this.props.onExited} | ||
| > | ||
| { this.props.children } | ||
| </Transition> | ||
| ); | ||
| } | ||
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| /* -- Expanding -- */ | ||
| handleEnter(elem){ | ||
| let dimension = this._dimension(); | ||
| elem.style[dimension] = '0'; | ||
| } | ||
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| handleEntering(elem){ | ||
| let dimension = this._dimension(); | ||
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| elem.style[dimension] = this._getScrollDimensionValue(elem, dimension); | ||
| } | ||
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| handleEntered(elem){ | ||
| let dimension = this._dimension(); | ||
| elem.style[dimension] = null; | ||
| } | ||
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| /* -- Collapsing -- */ | ||
| handleExit(elem){ | ||
| let dimension = this._dimension(); | ||
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| elem.style[dimension] = this.props.getDimensionValue(dimension, elem) + 'px'; | ||
| } | ||
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| handleExiting(elem){ | ||
| let dimension = this._dimension(); | ||
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| triggerBrowserReflow(elem); | ||
| elem.style[dimension] = '0'; | ||
| } | ||
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| _dimension(){ | ||
| return typeof this.props.dimension === 'function' | ||
| ? this.props.dimension() | ||
| : this.props.dimension; | ||
| } | ||
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| //for testing | ||
| _getTransitionInstance(){ | ||
| return this.refs.transition; | ||
| } | ||
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| _getScrollDimensionValue(elem, dimension){ | ||
| return elem[`scroll${capitalize(dimension)}`] + 'px'; | ||
| } | ||
| } | ||
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| Collapse.propTypes = { | ||
| /** | ||
| * Collapse the Component in or out. | ||
| */ | ||
| in: React.PropTypes.bool, | ||
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| /** | ||
| * Provide the durration of the animation in milliseconds, used to ensure that finishing callbacks are fired even if the | ||
| * original browser transition end events are canceled. | ||
| */ | ||
| duration: React.PropTypes.number, | ||
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| /** | ||
| * Specifies the dimension used when collapsing. | ||
| * | ||
| * _Note: Bootstrap only partially supports this! | ||
| * You will need to supply your own css animation for the `.width` css class._ | ||
| */ | ||
| dimension: React.PropTypes.oneOfType([ | ||
| React.PropTypes.oneOf(['height', 'width']), | ||
| React.PropTypes.func | ||
| ]), | ||
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| /** | ||
| * A function that returns the height or width of the animating DOM node. Allows for providing some custom logic how much | ||
| * Collapse component should animation in its specified dimension. | ||
| * | ||
| * `getDimensionValue` is called with the current dimension prop value and the DOM node. | ||
| */ | ||
| getDimensionValue: React.PropTypes.func, | ||
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| /** | ||
| * A Callback fired before the component starts to expand. | ||
| */ | ||
| onEnter: React.PropTypes.func, | ||
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| /** | ||
| * A Callback fired immediately after the component starts to expand. | ||
| */ | ||
| onEntering: React.PropTypes.func, | ||
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| /** | ||
| * A Callback fired after the component has expanded. | ||
| */ | ||
| onEntered: React.PropTypes.func, | ||
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| /** | ||
| * A Callback fired before the component starts to collapse. | ||
| */ | ||
| onExit: React.PropTypes.func, | ||
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| /** | ||
| * A Callback fired immediately after the component starts to collapse. | ||
| */ | ||
| onExiting: React.PropTypes.func, | ||
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| /** | ||
| * A Callback fired after the component has collapsed. | ||
| */ | ||
| onExited: React.PropTypes.func, | ||
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| /** | ||
| * Specify whether the transitioning component should be unmounted (removed from the DOM) once the exit animation finishes. | ||
| */ | ||
| unmountOnExit: React.PropTypes.bool, | ||
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| /** | ||
| * Specify whether the component should collapse or expand when it mounts. | ||
| */ | ||
| transitionAppear: React.PropTypes.bool | ||
| }; | ||
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| Collapse.defaultProps = { | ||
| in: false, | ||
| duration: 300, | ||
| dimension: 'height', | ||
| transitionAppear: false, | ||
| unmountOnExit: false, | ||
| getDimensionValue | ||
| }; | ||
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| export default Collapse; | ||
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