@arco-design/web-react
Version:
Arco Design React UI Library.
207 lines (206 loc) • 9.71 kB
JavaScript
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
import React, { useEffect, useState, useRef } from 'react';
import isEqualWith from 'lodash/isEqualWith';
import scrollIntoView from 'scroll-into-view-if-needed';
import cs from '../../_util/classNames';
import Checkbox from '../../Checkbox';
import { ArrowDown, Esc, Enter, ArrowUp } from '../../_util/keycode';
import useUpdateEffect from '../../_util/hooks/useUpdate';
import useIsFirstRender from '../../_util/hooks/useIsFirstRender';
import { isString, isObject, isFunction } from '../../_util/is';
import { getMultipleCheckValue } from '../util';
import VirtualList from '../../_class/VirtualList';
import { on, off } from '../../_util/dom';
export var getLegalIndex = function (currentIndex, maxIndex) {
if (currentIndex < 0) {
return maxIndex;
}
if (currentIndex > maxIndex) {
return 0;
}
return currentIndex;
};
var formatLabel = function (inputValue, label, prefixCls) {
var dom = label;
if (isString(label)) {
var index = label.toUpperCase().indexOf(inputValue.toUpperCase());
if (index > -1) {
var prefix = label.substr(0, index);
var suffix = label.substr(index + inputValue.length);
dom = (React.createElement(React.Fragment, null,
prefix,
React.createElement("span", { className: prefixCls + "-highlight" }, label.substr(index, inputValue.length)),
suffix));
}
}
return dom;
};
var SearchPanel = function (props) {
var _a;
var store = props.store, prefixCls = props.prefixCls, multiple = props.multiple, onChange = props.onChange, inputValue = props.inputValue, renderEmpty = props.renderEmpty, style = props.style, defaultActiveFirstOption = props.defaultActiveFirstOption, rtl = props.rtl, icons = props.icons;
var value = props.value || [];
var _b = __read(useState(store.searchNodeByLabel(inputValue) || []), 2), options = _b[0], setOptions = _b[1];
var refActiveItem = useRef();
// 用来标示是否需要scrollIntoView。如果是鼠标hover，不需要滚动。
var isKeyboardHover = useRef();
var isFirstRender = useIsFirstRender();
// 保存键盘操作的目标节点
var _c = __read(useState(defaultActiveFirstOption ? 0 : -1), 2), currentHoverIndex = _c[0], setCurrentHoverIndex = _c[1];
var handleSearchOptionClick = function (option, checked, e) {
e.stopPropagation();
if (option.disabled) {
return;
}
if (multiple) {
var checkedValues = getMultipleCheckValue(props.value, store, option, checked);
onChange && onChange(checkedValues);
}
else {
onChange && onChange([option.pathValue]);
}
};
useUpdateEffect(function () {
setOptions(store.searchNodeByLabel(inputValue));
}, [inputValue, store]);
useUpdateEffect(function () {
setCurrentHoverIndex(function (currentIndex) {
if (currentIndex > options.length - 1) {
return defaultActiveFirstOption ? 0 : -1;
}
return currentIndex;
});
}, [options]);
useEffect(function () {
var target = props.getTriggerElement();
if (!target) {
return;
}
var handleKeyDown = function (e) {
e.stopPropagation();
// 使用keycode，避免中文输入法输入时，触发enter,space等事件。
// p.s 中文输入时，keycode 都是229
var keyCode = e.keyCode || e.which;
switch (keyCode) {
case Esc.code: {
props.onEsc();
return false;
}
case ArrowDown.code:
case ArrowUp.code: {
isKeyboardHover.current = true;
var diff = ArrowDown.code === keyCode ? 1 : -1;
var nextIndex = getLegalIndex(currentHoverIndex + diff, options.length - 1);
while (nextIndex !== currentHoverIndex) {
var item_1 = options[nextIndex];
if (item_1.disabled) {
nextIndex = getLegalIndex(nextIndex + diff, options.length - 1);
}
else {
break;
}
}
setCurrentHoverIndex(nextIndex);
return false;
}
case Enter.code:
var item_2 = options[currentHoverIndex];
if (item_2) {
var isChecked = value.some(function (x) {
return isEqualWith(x, item_2.pathValue);
});
handleSearchOptionClick(item_2, !isChecked, e);
}
return false;
default:
break;
}
};
on(target, 'keydown', handleKeyDown);
return function () {
off(target, 'keydown', handleKeyDown);
};
}, [options, currentHoverIndex, value]);
useEffect(function () {
var _a;
var target = refActiveItem.current;
if (target && (isKeyboardHover.current || isFirstRender)) {
scrollIntoView(target, {
behavior: 'auto',
block: 'nearest',
scrollMode: 'if-needed',
boundary: (_a = target.parentNode) === null || _a === void 0 ? void 0 : _a.parentNode,
});
}
}, [currentHoverIndex, options]);
refActiveItem.current = null;
return options.length ? (React.createElement("div", { className: prefixCls + "-list-wrapper" },
React.createElement(VirtualList, __assign({ needFiller: false, wrapper: "ul", role: "menu", style: style, data: options, isStaticItemHeight: true, threshold: props.virtualListProps ? 100 : null }, (isObject(props.virtualListProps) ? props.virtualListProps : {}), { onMouseMove: function () {
isKeyboardHover.current = false;
}, className: cs(prefixCls + "-list", prefixCls + "-list-search", (_a = {},
_a[prefixCls + "-list-multiple"] = multiple,
_a[prefixCls + "-list-rtl"] = rtl,
_a)) }), function (item, i) {
var _a;
var pathNodes = item.getPathNodes();
var pathLabel = pathNodes.map(function (path, index) { return (React.createElement("span", { key: path.label + "_" + path._level },
path.label,
pathNodes.length === index + 1 ? '' : ' / ')); });
var isChecked = item._checked;
var options = { checked: isChecked };
var label = isFunction(props.renderOption)
? props.renderOption(inputValue, item._data, options)
: formatLabel(inputValue, pathLabel, prefixCls);
return (React.createElement("li", { title: isString(label) ? label : isString(pathLabel) ? pathLabel : undefined, role: "menuitem", "aria-disabled": item.disabled, ref: function (node) {
if (i === currentHoverIndex) {
refActiveItem.current = node;
}
if (isChecked && !refActiveItem.current) {
refActiveItem.current = node;
}
}, className: cs(prefixCls + "-list-search-item", (_a = {},
_a[prefixCls + "-list-search-item-active"] = isChecked,
_a[prefixCls + "-list-search-item-hover"] = i === currentHoverIndex,
_a[prefixCls + "-list-search-item-disabled"] = item.disabled,
_a)), onClick: function (e) {
handleSearchOptionClick(item, !isChecked, e);
}, key: i, onMouseEnter: function () {
if (!isKeyboardHover.current && !item.disabled) {
setCurrentHoverIndex(i);
}
}, onMouseLeave: function () {
if (!isKeyboardHover.current && !item.disabled) {
setCurrentHoverIndex(defaultActiveFirstOption ? 0 : -1);
}
} },
React.createElement("div", { className: prefixCls + "-list-item-label" }, isFunction(props.renderOption) ? (label) : multiple ? (React.createElement(Checkbox, { checked: isChecked, disabled: item.disabled }, label)) : (React.createElement(React.Fragment, null,
label,
isChecked && (React.createElement("span", { className: prefixCls + "-check-icon" }, icons.checked)))))));
}))) : (React.createElement(React.Fragment, null, renderEmpty && renderEmpty()));
};
export default SearchPanel;