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 |
|
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 |
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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 | ariaLabel: React.PropTypes.string,
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44 | placeholderText: React.PropTypes.string,
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45 | typeaheadDelay: React.PropTypes.number,
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46 | showCurrentOptionWhenOpen: React.PropTypes.bool,
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47 | disabled: React.PropTypes.bool,
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48 | onChange: React.PropTypes.func,
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49 | onBlur: React.PropTypes.func,
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50 |
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51 | className: React.PropTypes.string,
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52 | openClassName: React.PropTypes.string,
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53 | focusClassName: React.PropTypes.string,
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54 | listClassName: React.PropTypes.string,
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55 | disabledClassName: React.PropTypes.string,
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56 | currentOptionClassName: React.PropTypes.string,
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57 | hiddenSelectClassName: React.PropTypes.string,
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58 | currentOptionStyle: React.PropTypes.object,
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59 | optionListStyle: React.PropTypes.object
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60 | },
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61 | getDefaultProps: function getDefaultProps() {
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62 | return {
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63 | disabled: false,
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64 | typeaheadDelay: 1000,
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65 | showCurrentOptionWhenOpen: false,
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66 | onChange: function onChange() {},
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67 | onBlur: function onBlur() {},
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68 | className: 'radon-select',
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69 | openClassName: 'open',
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70 | focusClassName: 'focus',
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71 | listClassName: 'radon-select-list',
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72 | currentOptionClassName: 'radon-select-current',
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73 | hiddenSelectClassName: 'radon-select-hidden-select',
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74 | disabledClassName: 'radon-select-disabled',
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75 | currentOptionStyle: {},
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76 | optionListStyle: {}
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77 | };
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78 | },
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79 | getInitialState: function getInitialState() {
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80 | var initialIndex = this.props.defaultValue !== undefined ? this.getValueIndex(this.props.defaultValue) : -1;
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81 |
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82 | var defaultValue = initialIndex === -1 ? this.props.children[0].props.value : this.props.defaultValue;
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83 |
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84 | return {
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85 | selectedOptionIndex: initialIndex === -1 ? false : initialIndex,
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86 | selectedOptionVal: defaultValue,
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87 | open: false,
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88 | focus: false
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89 | };
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90 | },
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91 | getValueIndex: function getValueIndex(val) {
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92 | for (var i = 0; i < this.props.children.length; ++i) {
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93 | if (this.props.children[i].props.value === val) {
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94 | return i;
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95 | }
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96 | }
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97 | return -1;
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98 | },
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99 | getValue: function getValue() {
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100 | return this.state.selectedOptionVal;
|
101 | },
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102 | setValue: function setValue(val, silent) {
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103 | var index = this.getValueIndex(val);
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104 |
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105 | if (index !== -1) {
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106 | this.setState({
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107 | selectedOptionIndex: index,
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108 | selectedOptionVal: val
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109 | }, function () {
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110 | if (!silent) {
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111 | this.props.onChange(this.state.selectedOptionVal);
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112 | }
|
113 | });
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114 | }
|
115 | },
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116 | onChange: function onChange() {
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117 | this.props.onChange(this.state.selectedOptionVal);
|
118 | },
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119 | moveIndexByOne: function moveIndexByOne(decrement) {
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120 | var selectedOptionIndex = this.state.selectedOptionIndex || 0;
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121 |
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122 | if (decrement && this.state.selectedOptionIndex === 0 || !decrement && this.state.selectedOptionIndex === this.props.children.length - 1) {
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123 | return;
|
124 | }
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125 |
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126 | selectedOptionIndex += decrement ? -1 : 1;
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127 |
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128 | this.setState({
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129 | selectedOptionIndex: selectedOptionIndex,
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130 | selectedOptionVal: this.props.children[selectedOptionIndex].props.value
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131 | }, function () {
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132 | this.onChange();
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133 |
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134 | if (this.state.open) {
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135 | this.isFocusing = true;
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136 | this.focus(this.refs['option' + this.state.selectedOptionIndex]);
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137 | }
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138 | });
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139 | },
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140 | typeahead: function typeahead(character) {
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141 | var self = this;
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142 | var matchFound = false;
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143 | var currentIndex = 0;
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144 |
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145 |
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146 | if (this.state.selectedOptionIndex !== false && this.state.selectedOptionIndex !== this.props.children.length - 1) {
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147 | currentIndex = this.state.selectedOptionIndex + 1;
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148 | }
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149 |
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150 | clearTimeout(self.typeaheadCountdown);
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151 |
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152 | this.typingAhead = true;
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153 | this.currentString = this.currentString ? this.currentString + character : character;
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154 |
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155 |
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156 | for (var i = currentIndex; i < this.props.children.length; i++) {
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157 | if (doesOptionMatch(this.props.children[i], this.currentString)) {
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158 | matchFound = i;
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159 | break;
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160 | }
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161 | }
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162 |
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163 |
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164 | if (!matchFound) {
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165 | for (var j = 0; j <= currentIndex; j++) {
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166 | if (doesOptionMatch(this.props.children[j], this.currentString)) {
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167 | matchFound = j;
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168 | break;
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169 | }
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170 | }
|
171 | }
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172 |
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173 | if (matchFound !== false) {
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174 | this.setState({
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175 | selectedOptionIndex: matchFound,
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176 | selectedOptionVal: this.props.children[matchFound].props.value
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177 | }, function () {
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178 | this.onChange();
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179 |
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180 | if (this.state.open) {
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181 | this.isFocusing = true;
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182 | this.refs['option' + this.state.selectedOptionIndex].focus();
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183 | }
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184 | });
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185 | }
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186 |
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187 | self.typeaheadCountdown = setTimeout(function () {
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188 | self.typeaheadCountdown = undefined;
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189 | self.typingAhead = false;
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190 | self.currentString = '';
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191 | }, this.props.typeaheadDelay);
|
192 | },
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193 | toggleOpen: function toggleOpen() {
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194 | if (this.props.disabled) {
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195 | return;
|
196 | }
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197 |
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198 | this.isFocusing = false;
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199 |
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200 | this.setState({
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201 | open: !this.state.open,
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202 | selectedOptionIndex: this.state.selectedOptionIndex || 0
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203 | }, function () {
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204 | this.onChange();
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205 |
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206 | if (!this.state.open) {
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207 | this.focus(this.refs['currentOption']);
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208 | } else {
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209 | this.focus(this.refs['option' + (this.state.selectedOptionIndex || 0)]);
|
210 | }
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211 | });
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212 | },
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213 | onFocus: function onFocus() {
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214 | this.setState({
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215 | focus: true
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216 | });
|
217 | },
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218 | onBlur: function onBlur() {
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219 | var _this = this;
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220 |
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221 | this.setState({
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222 | focus: false
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223 | }, function () {
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224 | _this.props.onBlur();
|
225 | });
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226 | },
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227 |
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228 |
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229 |
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230 | onKeyDown: function onKeyDown(ev) {
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231 | var isArrowKey = ev.keyCode === keyboard.upArrow || ev.keyCode === keyboard.downArrow;
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232 |
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233 | if (this.state.open) {
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234 | ev.preventDefault();
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235 |
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236 |
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237 | if (ev.keyCode === keyboard.enter || ev.keyCode === keyboard.escape || !this.typingAhead && ev.keyCode === keyboard.space) {
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238 |
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239 | this.toggleOpen();
|
240 | } else if (isArrowKey) {
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241 | this.moveIndexByOne( ev.keyCode === keyboard.upArrow);
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242 |
|
243 | } else if (ev.keyCode !== keyboard.tab) {
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244 | this.typeahead(String.fromCharCode(ev.keyCode));
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245 | }
|
246 | } else {
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247 | if (ev.keyCode === keyboard.space || isArrowKey) {
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248 | ev.preventDefault();
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249 | this.toggleOpen();
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250 |
|
251 | } else if (ev.keyCode !== keyboard.enter || ev.keyCode !== keyboard.escape || ev.keyCode !== keyboard.tab) {
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252 | this.typeahead(String.fromCharCode(ev.keyCode));
|
253 | }
|
254 | }
|
255 | },
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256 | onClickOption: function onClickOption(index, ev) {
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257 | var child = this.refs['option' + index];
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258 |
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259 |
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260 | ev ? ev.preventDefault() : null;
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261 |
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262 | this.setState({
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263 | selectedOptionIndex: index,
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264 | selectedOptionVal: child.props.value,
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265 | open: false
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266 | }, function () {
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267 | this.onChange();
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268 |
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269 | this.refs['currentOption'].focus();
|
270 | });
|
271 | },
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272 | onBlurOption: function onBlurOption() {
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273 |
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274 | if (this.isFocusing) {
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275 | this.isFocusing = false;
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276 |
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277 | return;
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278 | }
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279 |
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280 | var hoveredSelectEl = ReactDOM.findDOMNode(this).querySelector(':hover');
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281 |
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282 |
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283 | if (hoveredSelectEl) {
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284 | return;
|
285 | }
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286 |
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287 | this.toggleOpen();
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288 | },
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289 | onMouseDown: function onMouseDown(ev) {
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290 |
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291 | if (this.state.open) {
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292 | ev.preventDefault();
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293 | }
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294 | },
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295 | getWrapperClasses: function getWrapperClasses() {
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296 | var wrapperClassNames = [this.props.className];
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297 |
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298 | if (this.state.open) {
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299 | wrapperClassNames.push(this.props.openClassName);
|
300 | }
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301 |
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302 | if (this.state.focus) {
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303 | wrapperClassNames.push(this.props.focusClassName);
|
304 | }
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305 |
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306 | if (this.props.disabled) {
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307 | wrapperClassNames.push(this.props.disabledClassName);
|
308 | }
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309 |
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310 | return wrapperClassNames.join(' ');
|
311 | },
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312 | focus: function focus(ref) {
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313 | ReactDOM.findDOMNode(ref).focus();
|
314 | },
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315 | renderChild: function renderChild(child, index) {
|
316 | return React.cloneElement(child, {
|
317 | key: index,
|
318 | ref: 'option' + index,
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319 | isActive: this.state.selectedOptionIndex === index,
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320 | onClick: this.onClickOption.bind(this, index),
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321 | onKeyDown: this.onKeyDown,
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322 | automationId: (this.props.automationId ? this.props.automationId : 'select') + '-option-' + index
|
323 | });
|
324 | },
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325 | renderSpacerChild: function renderSpacerChild(child, index) {
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326 | return React.cloneElement(child, {
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327 | key: index,
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328 | style: {
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329 | visibility: 'hidden',
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330 | height: '0 !important',
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331 | paddingTop: 0,
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332 | paddingBottom: 0
|
333 | }
|
334 | });
|
335 | },
|
336 | render: function render() {
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337 | var hiddenListStyle = { visibility: 'hidden' };
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338 | var selectedOptionContent = this.state.selectedOptionIndex !== false && this.props.children[this.state.selectedOptionIndex].props.children;
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339 |
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340 | if (this.props.optionListStyle) {
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341 | hiddenListStyle = assign({}, this.props.optionListStyle, hiddenListStyle);
|
342 | }
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343 |
|
344 | return React.createElement(
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345 | 'div',
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346 | {
|
347 | className: this.getWrapperClasses(),
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348 | onMouseDown: this.onMouseDown,
|
349 | style: this.props.style },
|
350 | this.props.showCurrentOptionWhenOpen || !this.state.open ? React.createElement(
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351 | 'div',
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352 | {
|
353 | ref: 'currentOption',
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354 | className: this.props.currentOptionClassName,
|
355 | tabIndex: 0,
|
356 | 'data-automation-id': this.props.automationId,
|
357 | role: 'button',
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358 | onFocus: this.onFocus,
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359 | onKeyDown: this.onKeyDown,
|
360 | onBlur: this.onBlur,
|
361 | onClick: this.toggleOpen,
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362 | 'aria-expanded': this.state.open,
|
363 | style: this.props.currentOptionStyle },
|
364 | selectedOptionContent || this.props.placeholderText || this.props.children[0].props.children
|
365 | ) : '',
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366 | this.state.open ? React.createElement(
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367 | 'div',
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368 | { className: this.props.listClassName, onBlur: this.onBlurOption, style: this.props.optionListStyle },
|
369 | React.Children.map(this.props.children, this.renderChild)
|
370 | ) : '',
|
371 | React.createElement(
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372 | 'select',
|
373 | {
|
374 | disabled: 'true',
|
375 | name: this.props.selectName,
|
376 | value: this.state.selectedOptionVal,
|
377 | className: this.props.hiddenSelectClassName,
|
378 | tabIndex: -1,
|
379 | 'aria-label': this.props.ariaLabel ? this.props.ariaLabel : this.props.selectName,
|
380 | 'aria-hidden': true },
|
381 | React.Children.map(this.props.children, function (child, index) {
|
382 | return React.createElement(
|
383 | 'option',
|
384 | { key: index, value: child.props.value },
|
385 | child.props.value
|
386 | );
|
387 | })
|
388 | ),
|
389 | React.createElement(
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390 | 'span',
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391 | { 'aria-hidden': true, style: hiddenListStyle, tabIndex: -1 },
|
392 | React.createElement(
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393 | 'div',
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394 | { style: { visibility: 'hidden', height: 0, position: 'relative' } },
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395 | React.Children.map(this.props.children, this.renderSpacerChild)
|
396 | )
|
397 | )
|
398 | );
|
399 | }
|
400 | });
|
401 |
|
402 | classBase.Option = React.createClass({
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403 | displayName: 'RadonSelectOption',
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404 | propTypes: {
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405 |
|
406 | value: React.PropTypes.string.isRequired,
|
407 | children: React.PropTypes.oneOfType([React.PropTypes.node, React.PropTypes.string]).isRequired,
|
408 | onClick: React.PropTypes.func,
|
409 | automationId: React.PropTypes.string
|
410 | },
|
411 | getDefaultProps: function getDefaultProps() {
|
412 | return {
|
413 | value: '',
|
414 | automationId: undefined,
|
415 | className: 'radon-select-option',
|
416 | activeClassName: 'active',
|
417 | hoverClassName: 'hover',
|
418 | onClick: function onClick() {}
|
419 | };
|
420 | },
|
421 | getInitialState: function getInitialState() {
|
422 | return {
|
423 | hovered: false
|
424 | };
|
425 | },
|
426 | getClassNames: function getClassNames() {
|
427 | var classNames = [this.props.className];
|
428 |
|
429 | if (this.props.isActive) {
|
430 | classNames.push(this.props.activeClassName);
|
431 | }
|
432 |
|
433 | if (this.state.hovered) {
|
434 | classNames.push(this.props.hoverClassName);
|
435 | }
|
436 |
|
437 | return classNames.join(' ');
|
438 | },
|
439 | setHover: function setHover(isHover) {
|
440 | this.setState({
|
441 | hovered: isHover
|
442 | });
|
443 | },
|
444 | render: function render() {
|
445 | return (
|
446 |
|
447 |
|
448 | React.createElement(
|
449 | 'div',
|
450 | {
|
451 | role: 'button',
|
452 | className: this.getClassNames(),
|
453 | 'data-automation-id': this.props.automationId,
|
454 | tabIndex: -1,
|
455 | onMouseDown: this.props.onClick,
|
456 | onMouseEnter: this.setHover.bind(this, true),
|
457 | onMouseLeave: this.setHover.bind(this, false),
|
458 | onKeyDown: this.props.onKeyDown,
|
459 | style: this.props.style },
|
460 | this.props.children
|
461 | )
|
462 | );
|
463 | }
|
464 | });
|
465 |
|
466 | module.exports = classBase; |
\ | No newline at end of file |