60 lines
1.4 KiB
JavaScript
60 lines
1.4 KiB
JavaScript
/* jshint node: true */
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var React = require('react');
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var AnimateMixin = require('../mixins/animate');
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var ReactCSSTransitionGroup = require('react-addons-css-transition-group');
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module.exports = React.createClass({
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mixins: [AnimateMixin],
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propTypes: {
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src: React.PropTypes.string
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},
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getInitialState: function() {
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return { currSrc: null, prevSrc: null };
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},
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componentWillReceiveProps: function(nextProps) {
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this.setState({ nextSrc: nextProps.src, currSrc: this.state.currSrc });
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},
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render: function() {
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var topStyle = {
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backgroundImage: 'url('+this.state.currSrc+')'
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};
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var bottomStyle = {
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backgroundImage: 'url('+this.state.nextSrc+')',
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};
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var bottom = this.state.nextSrc ?
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<div key={this.state.nextSrc} className="bottom" style={bottomStyle}></div> :
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null
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;
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var top = this.state.currSrc ?
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<div key={this.state.currSrc} className="top" style={topStyle}></div> :
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null
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;
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return (
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<div className="crossfade-image" {...this.props}>
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{bottom}
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<ReactCSSTransitionGroup transitionName="crossfade" transitionEnterTimeout={1000} transitionLeaveTimeout={1000}>
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{top}
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</ReactCSSTransitionGroup>
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</div>
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);
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},
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componentDidUpdate: function() {
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if(this.state.nextSrc !== this.state.currSrc) {
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this.setState({ currSrc: this.state.nextSrc });
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}
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}
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});
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