1 | "use strict";
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2 |
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3 | var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard");
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4 |
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5 | var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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6 |
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7 | Object.defineProperty(exports, "__esModule", {
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8 | value: true
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9 | });
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10 | exports.default = void 0;
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11 |
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12 | var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
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13 |
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14 | var _objectWithoutProperties2 = _interopRequireDefault(require("@babel/runtime/helpers/objectWithoutProperties"));
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15 |
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16 | var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
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17 |
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18 | var React = _interopRequireWildcard(require("react"));
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19 |
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20 | var _KeyCode = _interopRequireDefault(require("rc-util/lib/KeyCode"));
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21 |
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22 | var _pickAttrs = _interopRequireDefault(require("rc-util/lib/pickAttrs"));
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23 |
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24 | var _useMemo = _interopRequireDefault(require("rc-util/lib/hooks/useMemo"));
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25 |
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26 | var _classnames = _interopRequireDefault(require("classnames"));
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27 |
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28 | var _rcVirtualList = _interopRequireDefault(require("rc-virtual-list"));
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29 |
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30 | var _TransBtn = _interopRequireDefault(require("./TransBtn"));
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31 |
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32 |
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33 |
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34 |
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35 |
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36 | var OptionList = function OptionList(_ref, ref) {
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37 | var prefixCls = _ref.prefixCls,
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38 | id = _ref.id,
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39 | flattenOptions = _ref.flattenOptions,
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40 | childrenAsData = _ref.childrenAsData,
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41 | values = _ref.values,
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42 | searchValue = _ref.searchValue,
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43 | multiple = _ref.multiple,
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44 | defaultActiveFirstOption = _ref.defaultActiveFirstOption,
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45 | height = _ref.height,
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46 | itemHeight = _ref.itemHeight,
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47 | notFoundContent = _ref.notFoundContent,
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48 | open = _ref.open,
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49 | menuItemSelectedIcon = _ref.menuItemSelectedIcon,
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50 | virtual = _ref.virtual,
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51 | onSelect = _ref.onSelect,
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52 | onToggleOpen = _ref.onToggleOpen,
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53 | onActiveValue = _ref.onActiveValue,
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54 | onScroll = _ref.onScroll,
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55 | onMouseEnter = _ref.onMouseEnter;
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56 | var itemPrefixCls = "".concat(prefixCls, "-item");
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57 | var memoFlattenOptions = (0, _useMemo.default)(function () {
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58 | return flattenOptions;
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59 | }, [open, flattenOptions], function (prev, next) {
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60 | return next[0] && prev[1] !== next[1];
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61 | });
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62 |
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63 | var listRef = React.useRef(null);
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64 |
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65 | var onListMouseDown = function onListMouseDown(event) {
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66 | event.preventDefault();
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67 | };
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68 |
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69 | var scrollIntoView = function scrollIntoView(index) {
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70 | if (listRef.current) {
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71 | listRef.current.scrollTo({
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72 | index: index
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73 | });
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74 | }
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75 | };
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76 |
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77 |
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78 | var getEnabledActiveIndex = function getEnabledActiveIndex(index) {
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79 | var offset = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
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80 | var len = memoFlattenOptions.length;
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81 |
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82 | for (var i = 0; i < len; i += 1) {
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83 | var current = (index + i * offset + len) % len;
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84 | var _memoFlattenOptions$c = memoFlattenOptions[current],
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85 | group = _memoFlattenOptions$c.group,
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86 | data = _memoFlattenOptions$c.data;
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87 |
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88 | if (!group && !data.disabled) {
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89 | return current;
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90 | }
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91 | }
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92 |
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93 | return -1;
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94 | };
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95 |
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96 | var _React$useState = React.useState(function () {
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97 | return getEnabledActiveIndex(0);
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98 | }),
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99 | _React$useState2 = (0, _slicedToArray2.default)(_React$useState, 2),
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100 | activeIndex = _React$useState2[0],
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101 | setActiveIndex = _React$useState2[1];
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102 |
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103 | var setActive = function setActive(index) {
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104 | setActiveIndex(index);
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105 |
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106 | var flattenItem = memoFlattenOptions[index];
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107 |
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108 | if (!flattenItem) {
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109 | onActiveValue(null, -1);
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110 | return;
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111 | }
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112 |
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113 | onActiveValue(flattenItem.data.value, index);
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114 | };
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115 |
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116 |
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117 | React.useEffect(function () {
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118 | setActive(defaultActiveFirstOption !== false ? getEnabledActiveIndex(0) : -1);
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119 | }, [memoFlattenOptions.length, searchValue]);
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120 |
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121 | React.useEffect(function () {
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122 | |
123 |
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124 |
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125 |
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126 |
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127 | var timeoutId = setTimeout(function () {
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128 | if (!multiple && open && values.size === 1) {
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129 | var value = Array.from(values)[0];
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130 | var index = memoFlattenOptions.findIndex(function (_ref2) {
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131 | var data = _ref2.data;
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132 | return data.value === value;
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133 | });
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134 | setActive(index);
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135 | scrollIntoView(index);
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136 | }
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137 | });
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138 | return function () {
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139 | return clearTimeout(timeoutId);
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140 | };
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141 | }, [open]);
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142 |
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143 | var onSelectValue = function onSelectValue(value) {
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144 | if (value !== undefined) {
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145 | onSelect(value, {
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146 | selected: !values.has(value)
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147 | });
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148 | }
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149 |
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150 |
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151 | if (!multiple) {
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152 | onToggleOpen(false);
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153 | }
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154 | };
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155 |
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156 |
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157 | React.useImperativeHandle(ref, function () {
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158 | return {
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159 | onKeyDown: function onKeyDown(event) {
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160 | var which = event.which;
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161 |
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162 | switch (which) {
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163 |
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164 | case _KeyCode.default.UP:
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165 | case _KeyCode.default.DOWN:
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166 | {
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167 | var offset = 0;
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168 |
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169 | if (which === _KeyCode.default.UP) {
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170 | offset = -1;
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171 | } else if (which === _KeyCode.default.DOWN) {
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172 | offset = 1;
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173 | }
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174 |
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175 | if (offset !== 0) {
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176 | var nextActiveIndex = getEnabledActiveIndex(activeIndex + offset, offset);
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177 | scrollIntoView(nextActiveIndex);
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178 | setActive(nextActiveIndex);
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179 | }
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180 |
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181 | break;
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182 | }
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183 |
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184 |
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185 | case _KeyCode.default.ENTER:
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186 | {
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187 |
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188 | var item = memoFlattenOptions[activeIndex];
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189 |
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190 | if (item && !item.data.disabled) {
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191 | onSelectValue(item.data.value);
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192 | } else {
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193 | onSelectValue(undefined);
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194 | }
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195 |
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196 | if (open) {
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197 | event.preventDefault();
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198 | }
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199 |
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200 | break;
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201 | }
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202 |
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203 |
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204 | case _KeyCode.default.ESC:
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205 | {
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206 | onToggleOpen(false);
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207 | }
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208 | }
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209 | },
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210 | onKeyUp: function onKeyUp() {},
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211 | scrollTo: function scrollTo(index) {
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212 | scrollIntoView(index);
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213 | }
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214 | };
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215 | });
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216 |
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217 | if (memoFlattenOptions.length === 0) {
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218 | return React.createElement("div", {
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219 | role: "listbox",
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220 | id: "".concat(id, "_list"),
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221 | className: "".concat(itemPrefixCls, "-empty"),
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222 | onMouseDown: onListMouseDown
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223 | }, notFoundContent);
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224 | }
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225 |
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226 | function renderItem(index) {
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227 | var item = memoFlattenOptions[index];
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228 | if (!item) return null;
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229 | var itemData = item.data || {};
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230 | var value = itemData.value,
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231 | label = itemData.label,
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232 | children = itemData.children;
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233 | var attrs = (0, _pickAttrs.default)(itemData, true);
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234 | var mergedLabel = childrenAsData ? children : label;
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235 | return item ? React.createElement("div", Object.assign({
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236 | "aria-label": typeof mergedLabel === 'string' ? mergedLabel : null
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237 | }, attrs, {
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238 | key: index,
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239 | role: "option",
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240 | id: "".concat(id, "_list_").concat(index),
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241 | "aria-selected": values.has(value)
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242 | }), value) : null;
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243 | }
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244 |
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245 | return React.createElement(React.Fragment, null, React.createElement("div", {
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246 | role: "listbox",
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247 | id: "".concat(id, "_list"),
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248 | style: {
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249 | height: 0,
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250 | width: 0,
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251 | overflow: 'hidden'
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252 | }
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253 | }, renderItem(activeIndex - 1), renderItem(activeIndex), renderItem(activeIndex + 1)), React.createElement(_rcVirtualList.default, {
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254 | itemKey: "key",
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255 | ref: listRef,
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256 | data: memoFlattenOptions,
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257 | height: height,
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258 | itemHeight: itemHeight,
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259 | fullHeight: false,
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260 | onMouseDown: onListMouseDown,
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261 | onScroll: onScroll,
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262 | virtual: virtual,
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263 | onMouseEnter: onMouseEnter
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264 | }, function (_ref3, itemIndex) {
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265 | var _classNames;
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266 |
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267 | var group = _ref3.group,
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268 | groupOption = _ref3.groupOption,
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269 | data = _ref3.data;
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270 | var label = data.label,
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271 | key = data.key;
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272 |
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273 | if (group) {
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274 | return React.createElement("div", {
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275 | className: (0, _classnames.default)(itemPrefixCls, "".concat(itemPrefixCls, "-group"))
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276 | }, label !== undefined ? label : key);
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277 | }
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278 |
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279 | var disabled = data.disabled,
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280 | value = data.value,
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281 | title = data.title,
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282 | children = data.children,
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283 | style = data.style,
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284 | className = data.className,
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285 | otherProps = (0, _objectWithoutProperties2.default)(data, ["disabled", "value", "title", "children", "style", "className"]);
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286 |
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287 | var selected = values.has(value);
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288 | var optionPrefixCls = "".concat(itemPrefixCls, "-option");
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289 | var optionClassName = (0, _classnames.default)(itemPrefixCls, optionPrefixCls, className, (_classNames = {}, (0, _defineProperty2.default)(_classNames, "".concat(optionPrefixCls, "-grouped"), groupOption), (0, _defineProperty2.default)(_classNames, "".concat(optionPrefixCls, "-active"), activeIndex === itemIndex && !disabled), (0, _defineProperty2.default)(_classNames, "".concat(optionPrefixCls, "-disabled"), disabled), (0, _defineProperty2.default)(_classNames, "".concat(optionPrefixCls, "-selected"), selected), _classNames));
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290 | var mergedLabel = childrenAsData ? children : label;
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291 | var iconVisible = !menuItemSelectedIcon || typeof menuItemSelectedIcon === 'function' || selected;
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292 | return React.createElement("div", Object.assign({}, otherProps, {
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293 | "aria-selected": selected,
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294 | className: optionClassName,
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295 | title: title,
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296 | onMouseMove: function onMouseMove() {
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297 | if (activeIndex === itemIndex || disabled) {
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298 | return;
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299 | }
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300 |
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301 | setActive(itemIndex);
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302 | },
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303 | onClick: function onClick() {
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304 | if (!disabled) {
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305 | onSelectValue(value);
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306 | }
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307 | },
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308 | style: style
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309 | }), React.createElement("div", {
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310 | className: "".concat(optionPrefixCls, "-content")
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311 | }, mergedLabel || value), React.isValidElement(menuItemSelectedIcon) || selected, iconVisible && React.createElement(_TransBtn.default, {
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312 | className: "".concat(itemPrefixCls, "-option-state"),
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313 | customizeIcon: menuItemSelectedIcon,
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314 | customizeIconProps: {
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315 | isSelected: selected
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316 | }
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317 | }, selected ? '✓' : null));
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318 | }));
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319 | };
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320 |
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321 | var RefOptionList = React.forwardRef(OptionList);
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322 | RefOptionList.displayName = 'OptionList';
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323 | var _default = RefOptionList;
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324 | exports.default = _default; |
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