1 | 'use strict';
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2 |
|
3 | var React = require('react');
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4 | var ReactDOM = require('react-dom');
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5 | var assign = require('object-assign');
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6 |
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7 | var keyboard = {
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8 | space: 32,
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9 | enter: 13,
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10 | escape: 27,
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11 | tab: 9,
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12 | upArrow: 38,
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13 | downArrow: 40
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14 | };
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15 |
|
16 | var doesOptionMatch = function doesOptionMatch(option, s) {
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17 | s = s.toLowerCase();
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18 |
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19 |
|
20 | if (typeof option.props.children === 'string') {
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21 | return option.props.children.toLowerCase().indexOf(s) === 0;
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22 | } else {
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23 | return option.props.value.tolowerCase().indexOf(s) === 0;
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24 | }
|
25 | };
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26 |
|
27 | var classBase = React.createClass({
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28 | displayName: 'RadonSelect',
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29 | propTypes: {
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30 | children: function children(props, propName) {
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31 | if (!props[propName] || !Array.isArray(props[propName])) {
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32 | return new Error('children must be an array of RadonSelect.Option');
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33 | }
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34 |
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35 | props[propName].forEach(function (child) {
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36 | if (child.type.displayName !== 'RadonSelectOption') {
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37 | return new Error('children must be an array of RadonSelect.Option');
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38 | }
|
39 | });
|
40 | },
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41 | selectName: React.PropTypes.string.isRequired,
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42 | defaultValue: React.PropTypes.string,
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43 | placeholderText: React.PropTypes.string,
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44 | typeaheadDelay: React.PropTypes.number,
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45 | showCurrentOptionWhenOpen: React.PropTypes.bool,
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46 | onChange: React.PropTypes.func,
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47 | onBlur: React.PropTypes.func,
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48 |
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49 | className: React.PropTypes.string,
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50 | openClassName: React.PropTypes.string,
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51 | focusClassName: React.PropTypes.string,
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52 | listClassName: React.PropTypes.string,
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53 | currentOptionClassName: React.PropTypes.string,
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54 | hiddenSelectClassName: React.PropTypes.string,
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55 | currentOptionStyle: React.PropTypes.object,
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56 | optionListStyle: React.PropTypes.object
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57 | },
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58 | getDefaultProps: function getDefaultProps() {
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59 | return {
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60 | typeaheadDelay: 1000,
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61 | showCurrentOptionWhenOpen: false,
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62 | onChange: function onChange() {},
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63 | onBlur: function onBlur() {},
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64 | className: 'radon-select',
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65 | openClassName: 'open',
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66 | focusClassName: 'focus',
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67 | listClassName: 'radon-select-list',
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68 | currentOptionClassName: 'radon-select-current',
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69 | hiddenSelectClassName: 'radon-select-hidden-select',
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70 | currentOptionStyle: {},
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71 | optionListStyle: {}
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72 | };
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73 | },
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74 | getInitialState: function getInitialState() {
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75 | var initialIndex = this.props.defaultValue !== undefined ? this.getValueIndex(this.props.defaultValue) : -1;
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76 |
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77 | var defaultValue = initialIndex === -1 ? this.props.children[0].props.value : this.props.defaultValue;
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78 |
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79 | return {
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80 | selectedOptionIndex: initialIndex === -1 ? false : initialIndex,
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81 | selectedOptionVal: defaultValue,
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82 | open: false,
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83 | focus: false
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84 | };
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85 | },
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86 | getValueIndex: function getValueIndex(val) {
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87 | for (var i = 0; i < this.props.children.length; ++i) {
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88 | if (this.props.children[i].props.value === val) {
|
89 | return i;
|
90 | }
|
91 | }
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92 | return -1;
|
93 | },
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94 | getValue: function getValue() {
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95 | return this.state.selectedOptionVal;
|
96 | },
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97 | setValue: function setValue(val, silent) {
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98 | var index = this.getValueIndex(val);
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99 |
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100 | if (index !== -1) {
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101 | this.setState({
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102 | selectedOptionIndex: index,
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103 | selectedOptionVal: val
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104 | }, function () {
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105 | if (!silent) {
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106 | this.props.onChange(this.state.selectedOptionVal);
|
107 | }
|
108 | });
|
109 | }
|
110 | },
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111 | onChange: function onChange() {
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112 | this.props.onChange(this.state.selectedOptionVal);
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113 | },
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114 | moveIndexByOne: function moveIndexByOne(decrement) {
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115 | var selectedOptionIndex = this.state.selectedOptionIndex || 0;
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116 |
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117 | if (decrement && this.state.selectedOptionIndex === 0 || !decrement && this.state.selectedOptionIndex === this.props.children.length - 1) {
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118 | return;
|
119 | }
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120 |
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121 | selectedOptionIndex += decrement ? -1 : 1;
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122 |
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123 | this.setState({
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124 | selectedOptionIndex: selectedOptionIndex,
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125 | selectedOptionVal: this.props.children[selectedOptionIndex].props.value
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126 | }, function () {
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127 | this.onChange();
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128 |
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129 | if (this.state.open) {
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130 | this.isFocusing = true;
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131 | this.focus(this.refs['option' + this.state.selectedOptionIndex]);
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132 | }
|
133 | });
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134 | },
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135 | typeahead: function typeahead(character) {
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136 | var self = this;
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137 | var matchFound = false;
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138 | var currentIndex = 0;
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139 |
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140 |
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141 | if (this.state.selectedOptionIndex !== false && this.state.selectedOptionIndex !== this.props.children.length - 1) {
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142 | currentIndex = this.state.selectedOptionIndex + 1;
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143 | }
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144 |
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145 | clearTimeout(self.typeaheadCountdown);
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146 |
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147 | this.typingAhead = true;
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148 | this.currentString = this.currentString ? this.currentString + character : character;
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149 |
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150 |
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151 | for (var i = currentIndex; i < this.props.children.length; i++) {
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152 | if (doesOptionMatch(this.props.children[i], this.currentString)) {
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153 | matchFound = i;
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154 | break;
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155 | }
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156 | }
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157 |
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158 |
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159 | if (!matchFound) {
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160 | for (var j = 0; j <= currentIndex; j++) {
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161 | if (doesOptionMatch(this.props.children[j], this.currentString)) {
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162 | matchFound = j;
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163 | break;
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164 | }
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165 | }
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166 | }
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167 |
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168 | if (matchFound !== false) {
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169 | this.setState({
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170 | selectedOptionIndex: matchFound,
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171 | selectedOptionVal: this.props.children[matchFound].props.value
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172 | }, function () {
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173 | this.onChange();
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174 |
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175 | if (this.state.open) {
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176 | this.isFocusing = true;
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177 | this.refs['option' + this.state.selectedOptionIndex].focus();
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178 | }
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179 | });
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180 | }
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181 |
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182 | self.typeaheadCountdown = setTimeout(function () {
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183 | self.typeaheadCountdown = undefined;
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184 | self.typingAhead = false;
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185 | self.currentString = '';
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186 | }, this.props.typeaheadDelay);
|
187 | },
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188 | toggleOpen: function toggleOpen() {
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189 | this.isFocusing = false;
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190 |
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191 | this.setState({
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192 | open: !this.state.open,
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193 | selectedOptionIndex: this.state.selectedOptionIndex || 0
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194 | }, function () {
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195 | this.onChange();
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196 |
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197 | if (!this.state.open) {
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198 | this.focus(this.refs['currentOption']);
|
199 | } else {
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200 | this.focus(this.refs['option' + (this.state.selectedOptionIndex || 0)]);
|
201 | }
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202 | });
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203 | },
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204 | onFocus: function onFocus() {
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205 | this.setState({
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206 | focus: true
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207 | });
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208 | },
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209 | onBlur: function onBlur() {
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210 | var _this = this;
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211 |
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212 | this.setState({
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213 | focus: false
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214 | }, function () {
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215 | _this.props.onBlur();
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216 | });
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217 | },
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218 |
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219 |
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220 |
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221 | onKeyDown: function onKeyDown(ev) {
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222 | var isArrowKey = ev.keyCode === keyboard.upArrow || ev.keyCode === keyboard.downArrow;
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223 |
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224 | if (this.state.open) {
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225 | ev.preventDefault();
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226 |
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227 |
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228 | if (ev.keyCode === keyboard.enter || ev.keyCode === keyboard.escape || !this.typingAhead && ev.keyCode === keyboard.space) {
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229 |
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230 | this.toggleOpen();
|
231 | } else if (isArrowKey) {
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232 | this.moveIndexByOne( ev.keyCode === keyboard.upArrow);
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233 |
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234 | } else if (ev.keyCode !== keyboard.tab) {
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235 | this.typeahead(String.fromCharCode(ev.keyCode));
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236 | }
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237 | } else {
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238 | if (ev.keyCode === keyboard.space || isArrowKey) {
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239 | ev.preventDefault();
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240 | this.toggleOpen();
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241 |
|
242 | } else if (ev.keyCode !== keyboard.enter || ev.keyCode !== keyboard.escape || ev.keyCode !== keyboard.tab) {
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243 | this.typeahead(String.fromCharCode(ev.keyCode));
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244 | }
|
245 | }
|
246 | },
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247 | onClickOption: function onClickOption(index, ev) {
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248 | var child = this.refs['option' + index];
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249 |
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250 |
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251 | ev ? ev.preventDefault() : null;
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252 |
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253 | this.setState({
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254 | selectedOptionIndex: index,
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255 | selectedOptionVal: child.props.value,
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256 | open: false
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257 | }, function () {
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258 | this.onChange();
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259 |
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260 | this.refs['currentOption'].focus();
|
261 | });
|
262 | },
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263 | onBlurOption: function onBlurOption() {
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264 |
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265 | if (this.isFocusing) {
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266 | this.isFocusing = false;
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267 |
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268 | return;
|
269 | }
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270 |
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271 | var hoveredSelectEl = ReactDOM.findDOMNode(this).querySelector(':hover');
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272 |
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273 |
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274 | if (hoveredSelectEl) {
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275 | return;
|
276 | }
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277 |
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278 | this.toggleOpen();
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279 | },
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280 | onMouseDown: function onMouseDown(ev) {
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281 |
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282 | if (this.state.open) {
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283 | ev.preventDefault();
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284 | }
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285 | },
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286 | getWrapperClasses: function getWrapperClasses() {
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287 | var wrapperClassNames = [this.props.className];
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288 |
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289 | if (this.state.open) {
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290 | wrapperClassNames.push(this.props.openClassName);
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291 | }
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292 |
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293 | if (this.state.focus) {
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294 | wrapperClassNames.push(this.props.focusClassName);
|
295 | }
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296 |
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297 | return wrapperClassNames.join(' ');
|
298 | },
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299 | focus: function focus(ref) {
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300 | ReactDOM.findDOMNode(ref).focus();
|
301 | },
|
302 | renderChild: function renderChild(child, index) {
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303 | return React.cloneElement(child, {
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304 | key: index,
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305 | ref: 'option' + index,
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306 | isActive: this.state.selectedOptionIndex === index,
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307 | onClick: this.onClickOption.bind(this, index),
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308 | onKeyDown: this.onKeyDown,
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309 | automationId: (this.props.automationId ? this.props.automationId : 'select') + '-option-' + index
|
310 | });
|
311 | },
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312 | renderSpacerChild: function renderSpacerChild(child, index) {
|
313 | return React.cloneElement(child, {
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314 | key: index,
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315 | style: {
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316 | visibility: 'hidden',
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317 | height: '0 !important',
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318 | paddingTop: 0,
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319 | paddingBottom: 0
|
320 | }
|
321 | });
|
322 | },
|
323 | render: function render() {
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324 | var hiddenListStyle = { visibility: 'hidden' };
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325 | var selectedOptionContent = this.state.selectedOptionIndex !== false && this.props.children[this.state.selectedOptionIndex].props.children;
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326 |
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327 | if (this.props.optionListStyle) {
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328 | hiddenListStyle = assign({}, this.props.optionListStyle, hiddenListStyle);
|
329 | }
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330 |
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331 | return React.createElement(
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332 | 'div',
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333 | {
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334 | className: this.getWrapperClasses(),
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335 | onMouseDown: this.onMouseDown,
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336 | style: this.props.style },
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337 | this.props.showCurrentOptionWhenOpen || !this.state.open ? React.createElement(
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338 | 'div',
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339 | {
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340 | ref: 'currentOption',
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341 | className: this.props.currentOptionClassName,
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342 | tabIndex: 0,
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343 | 'data-automation-id': this.props.automationId,
|
344 | role: 'button',
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345 | onFocus: this.onFocus,
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346 | onKeyDown: this.onKeyDown,
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347 | onBlur: this.onBlur,
|
348 | onClick: this.toggleOpen,
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349 | 'aria-expanded': this.state.open,
|
350 | style: this.props.currentOptionStyle },
|
351 | selectedOptionContent || this.props.placeholderText || this.props.children[0].props.children
|
352 | ) : '',
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353 | this.state.open ? React.createElement(
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354 | 'div',
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355 | { className: this.props.listClassName, onBlur: this.onBlurOption, style: this.props.optionListStyle },
|
356 | React.Children.map(this.props.children, this.renderChild)
|
357 | ) : '',
|
358 | React.createElement(
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359 | 'select',
|
360 | {
|
361 | disabled: 'true',
|
362 | name: this.props.selectName,
|
363 | value: this.state.selectedOptionVal,
|
364 | className: this.props.hiddenSelectClassName,
|
365 | tabIndex: -1,
|
366 | 'aria-hidden': true },
|
367 | React.Children.map(this.props.children, function (child, index) {
|
368 | return React.createElement(
|
369 | 'option',
|
370 | { key: index, value: child.props.value },
|
371 | child.props.value
|
372 | );
|
373 | })
|
374 | ),
|
375 | React.createElement(
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376 | 'span',
|
377 | { 'aria-hidden': true, style: hiddenListStyle, tabIndex: -1 },
|
378 | React.createElement(
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379 | 'div',
|
380 | { style: { visibility: 'hidden', height: 0, position: 'relative' } },
|
381 | React.Children.map(this.props.children, this.renderSpacerChild)
|
382 | )
|
383 | )
|
384 | );
|
385 | }
|
386 | });
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387 |
|
388 | classBase.Option = React.createClass({
|
389 | displayName: 'RadonSelectOption',
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390 | propTypes: {
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391 |
|
392 | value: React.PropTypes.string.isRequired,
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393 | children: React.PropTypes.oneOfType([React.PropTypes.node, React.PropTypes.string]).isRequired,
|
394 | onClick: React.PropTypes.func,
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395 | automationId: React.PropTypes.string
|
396 | },
|
397 | getDefaultProps: function getDefaultProps() {
|
398 | return {
|
399 | value: '',
|
400 | automationId: undefined,
|
401 | className: 'radon-select-option',
|
402 | activeClassName: 'active',
|
403 | hoverClassName: 'hover',
|
404 | onClick: function onClick() {}
|
405 | };
|
406 | },
|
407 | getInitialState: function getInitialState() {
|
408 | return {
|
409 | hovered: false
|
410 | };
|
411 | },
|
412 | getClassNames: function getClassNames() {
|
413 | var classNames = [this.props.className];
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414 |
|
415 | if (this.props.isActive) {
|
416 | classNames.push(this.props.activeClassName);
|
417 | }
|
418 |
|
419 | if (this.state.hovered) {
|
420 | classNames.push(this.props.hoverClassName);
|
421 | }
|
422 |
|
423 | return classNames.join(' ');
|
424 | },
|
425 | setHover: function setHover(isHover) {
|
426 | this.setState({
|
427 | hovered: isHover
|
428 | });
|
429 | },
|
430 | tap: function tap() {
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431 |
|
432 |
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433 |
|
434 | this.props.onClick();
|
435 | },
|
436 | render: function render() {
|
437 | return(
|
438 |
|
439 |
|
440 | React.createElement(
|
441 | 'div',
|
442 | {
|
443 | role: 'button',
|
444 | className: this.getClassNames(),
|
445 | 'data-automation-id': this.props.automationId,
|
446 | tabIndex: -1
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447 |
|
448 |
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449 |
|
450 | , onTouchStart: this.tap,
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451 |
|
452 | onMouseDown: this.props.onClick,
|
453 | onMouseEnter: this.setHover.bind(this, true),
|
454 | onMouseLeave: this.setHover.bind(this, false),
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455 | onKeyDown: this.props.onKeyDown,
|
456 | style: this.props.style },
|
457 | this.props.children
|
458 | )
|
459 | );
|
460 | }
|
461 | });
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462 |
|
463 | module.exports = classBase; |
\ | No newline at end of file |