Move velocity stuff to react sdk
Kegan Dougal
parent
a5d00c73b2
commit
05c9b44b81
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@ -39,8 +39,7 @@
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"react-dnd-html5-backend": "^2.0.0",
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"react-dom": "^0.14.2",
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"react-gemini-scrollbar": "^2.0.1",
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"sanitize-html": "^1.0.0",
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"velocity-animate": "^1.2.3"
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"sanitize-html": "^1.0.0"
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},
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"devDependencies": {
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"babel": "^5.8.23",
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@ -1,113 +0,0 @@
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var React = require('react');
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var ReactDom = require('react-dom');
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var Velocity = require('velocity-animate');
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/**
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* The Velociraptor contains components and animates transitions with velocity.
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* It will only pick up direct changes to properties ('left', currently), and so
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* will not work for animating positional changes where the position is implicit
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* from DOM order. This makes it a lot simpler and lighter: if you need fully
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* automatic positional animation, look at react-shuffle or similar libraries.
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*/
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module.exports = React.createClass({
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displayName: 'Velociraptor',
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propTypes: {
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children: React.PropTypes.array,
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transition: React.PropTypes.object,
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container: React.PropTypes.string
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},
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componentWillMount: function() {
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this.children = {};
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this.nodes = {};
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var self = this;
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React.Children.map(this.props.children, function(c) {
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self.children[c.key] = c;
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});
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},
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componentWillReceiveProps: function(nextProps) {
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var self = this;
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var oldChildren = this.children;
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this.children = {};
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React.Children.map(nextProps.children, function(c) {
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if (oldChildren[c.key]) {
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var old = oldChildren[c.key];
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var oldNode = ReactDom.findDOMNode(self.nodes[old.key]);
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if (oldNode.style.left != c.props.style.left) {
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Velocity(oldNode, { left: c.props.style.left }, self.props.transition).then(function() {
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// special case visibility because it's nonsensical to animate an invisible element
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// so we always hidden->visible pre-transition and visible->hidden after
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if (oldNode.style.visibility == 'visible' && c.props.style.visibility == 'hidden') {
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oldNode.style.visibility = c.props.style.visibility;
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}
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});
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if (oldNode.style.visibility == 'hidden' && c.props.style.visibility == 'visible') {
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oldNode.style.visibility = c.props.style.visibility;
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}
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//console.log("translation: "+oldNode.style.left+" -> "+c.props.style.left);
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}
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self.children[c.key] = old;
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} else {
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// new element. If it has a startStyle, use that as the style and go through
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// the enter animations
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var newProps = {
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ref: self.collectNode.bind(self, c.key)
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};
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if (c.props.startStyle && Object.keys(c.props.startStyle).length) {
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var startStyle = c.props.startStyle;
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if (Array.isArray(startStyle)) {
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startStyle = startStyle[0];
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}
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newProps._restingStyle = c.props.style;
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newProps.style = startStyle;
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//console.log("mounted@startstyle0: "+JSON.stringify(startStyle));
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// apply the enter animations once it's mounted
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}
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self.children[c.key] = React.cloneElement(c, newProps);
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}
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});
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},
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collectNode: function(k, node) {
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if (
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this.nodes[k] === undefined &&
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node.props.startStyle &&
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Object.keys(node.props.startStyle).length
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) {
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var domNode = ReactDom.findDOMNode(node);
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var startStyles = node.props.startStyle;
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var transitionOpts = node.props.enterTransitionOpts;
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if (!Array.isArray(startStyles)) {
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startStyles = [ startStyles ];
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transitionOpts = [ transitionOpts ];
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}
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// start from startStyle 1: 0 is the one we gave it
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// to start with, so now we animate 1 etc.
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for (var i = 1; i < startStyles.length; ++i) {
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Velocity(domNode, startStyles[i], transitionOpts[i-1]);
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//console.log("start: "+JSON.stringify(startStyles[i]));
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}
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// and then we animate to the resting state
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Velocity(domNode, node.props._restingStyle, transitionOpts[i-1]);
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//console.log("enter: "+JSON.stringify(node.props._restingStyle));
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}
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this.nodes[k] = node;
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},
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render: function() {
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var self = this;
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var childList = Object.keys(this.children).map(function(k) {
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return React.cloneElement(self.children[k], {
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ref: self.collectNode.bind(self, self.children[k].key)
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});
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});
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return (
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<span>
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{childList}
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</span>
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);
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},
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});
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@ -1,15 +0,0 @@
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var Velocity = require('velocity-animate');
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// courtesy of https://github.com/julianshapiro/velocity/issues/283
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// We only use easeOutBounce (easeInBounce is just sort of nonsensical)
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function bounce( p ) {
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var pow2,
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bounce = 4;
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while ( p < ( ( pow2 = Math.pow( 2, --bounce ) ) - 1 ) / 11 ) {}
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return 1 / Math.pow( 4, 3 - bounce ) - 7.5625 * Math.pow( ( pow2 * 3 - 2 ) / 22 - p, 2 );
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}
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Velocity.Easings.easeOutBounce = function(p) {
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return 1 - bounce(1 - p);
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}
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