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11 | 'use strict';
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12 |
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13 | var React = require('./React');
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14 | var ReactAddonsDOMDependencies = require('./ReactAddonsDOMDependencies');
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15 |
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16 | var CSSCore = require('fbjs/lib/CSSCore');
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17 | var ReactTransitionEvents = require('./ReactTransitionEvents');
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18 |
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19 | var onlyChild = require('./onlyChild');
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20 |
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21 | var TICK = 17;
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22 |
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23 | var ReactCSSTransitionGroupChild = React.createClass({
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24 | displayName: 'ReactCSSTransitionGroupChild',
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25 |
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26 | propTypes: {
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27 | name: React.PropTypes.oneOfType([React.PropTypes.string, React.PropTypes.shape({
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28 | enter: React.PropTypes.string,
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29 | leave: React.PropTypes.string,
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30 | active: React.PropTypes.string
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31 | }), React.PropTypes.shape({
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32 | enter: React.PropTypes.string,
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33 | enterActive: React.PropTypes.string,
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34 | leave: React.PropTypes.string,
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35 | leaveActive: React.PropTypes.string,
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36 | appear: React.PropTypes.string,
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37 | appearActive: React.PropTypes.string
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38 | })]).isRequired,
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39 |
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40 |
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41 |
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42 |
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43 | appear: React.PropTypes.bool,
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44 | enter: React.PropTypes.bool,
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45 | leave: React.PropTypes.bool,
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46 | appearTimeout: React.PropTypes.number,
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47 | enterTimeout: React.PropTypes.number,
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48 | leaveTimeout: React.PropTypes.number
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49 | },
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50 |
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51 | transition: function (animationType, finishCallback, userSpecifiedDelay) {
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52 | var node = ReactAddonsDOMDependencies.getReactDOM().findDOMNode(this);
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53 |
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54 | if (!node) {
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55 | if (finishCallback) {
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56 | finishCallback();
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57 | }
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58 | return;
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59 | }
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60 |
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61 | var className = this.props.name[animationType] || this.props.name + '-' + animationType;
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62 | var activeClassName = this.props.name[animationType + 'Active'] || className + '-active';
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63 | var timeout = null;
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64 |
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65 | var endListener = function (e) {
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66 | if (e && e.target !== node) {
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67 | return;
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68 | }
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69 |
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70 | clearTimeout(timeout);
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71 |
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72 | CSSCore.removeClass(node, className);
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73 | CSSCore.removeClass(node, activeClassName);
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74 |
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75 | ReactTransitionEvents.removeEndEventListener(node, endListener);
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76 |
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77 |
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78 |
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79 | if (finishCallback) {
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80 | finishCallback();
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81 | }
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82 | };
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83 |
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84 | CSSCore.addClass(node, className);
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85 |
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86 |
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87 | this.queueClassAndNode(activeClassName, node);
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88 |
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89 |
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90 | if (userSpecifiedDelay) {
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91 |
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92 | timeout = setTimeout(endListener, userSpecifiedDelay);
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93 | this.transitionTimeouts.push(timeout);
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94 | } else {
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95 |
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96 | ReactTransitionEvents.addEndEventListener(node, endListener);
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97 | }
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98 | },
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99 |
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100 | queueClassAndNode: function (className, node) {
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101 | this.classNameAndNodeQueue.push({
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102 | className: className,
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103 | node: node
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104 | });
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105 |
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106 | if (!this.timeout) {
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107 | this.timeout = setTimeout(this.flushClassNameAndNodeQueue, TICK);
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108 | }
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109 | },
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110 |
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111 | flushClassNameAndNodeQueue: function () {
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112 | if (this.isMounted()) {
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113 | this.classNameAndNodeQueue.forEach(function (obj) {
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114 | CSSCore.addClass(obj.node, obj.className);
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115 | });
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116 | }
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117 | this.classNameAndNodeQueue.length = 0;
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118 | this.timeout = null;
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119 | },
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120 |
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121 | componentWillMount: function () {
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122 | this.classNameAndNodeQueue = [];
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123 | this.transitionTimeouts = [];
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124 | },
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125 |
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126 | componentWillUnmount: function () {
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127 | if (this.timeout) {
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128 | clearTimeout(this.timeout);
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129 | }
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130 | this.transitionTimeouts.forEach(function (timeout) {
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131 | clearTimeout(timeout);
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132 | });
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133 |
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134 | this.classNameAndNodeQueue.length = 0;
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135 | },
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136 |
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137 | componentWillAppear: function (done) {
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138 | if (this.props.appear) {
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139 | this.transition('appear', done, this.props.appearTimeout);
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140 | } else {
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141 | done();
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142 | }
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143 | },
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144 |
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145 | componentWillEnter: function (done) {
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146 | if (this.props.enter) {
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147 | this.transition('enter', done, this.props.enterTimeout);
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148 | } else {
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149 | done();
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150 | }
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151 | },
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152 |
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153 | componentWillLeave: function (done) {
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154 | if (this.props.leave) {
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155 | this.transition('leave', done, this.props.leaveTimeout);
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156 | } else {
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157 | done();
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158 | }
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159 | },
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160 |
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161 | render: function () {
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162 | return onlyChild(this.props.children);
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163 | }
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164 | });
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165 |
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166 | module.exports = ReactCSSTransitionGroupChild; |
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