@fruits-chain/react-native-xiaoshu/lib/module/selector/selector.js

🌈 React Native UI library

function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }

import React, { useEffect, useState, memo } from 'react';
import { View, Text, ScrollView, TouchableOpacity } from 'react-native';
import Button from '../button';
import { varCreator as varCreatorButton } from '../button/style';
import CheckboxIcon from '../checkbox/checkbox-icon';
import { varCreator as varCreatorCheckbox } from '../checkbox/style';
import Empty from '../empty';
import { useSafeHeight } from '../hooks';
import SuccessOutline from '../icon/success';
import Locale from '../locale';
import Popup from '../popup/popup';
import PopupHeader from '../popup/popup-header';
import Theme from '../theme';
import { varCreator, styleCreator } from './style';
/**
 * Selector 弹出层式 Select
 * @description 类似 Web 端的 Select 组件，可以多选、单选。
 */

const Selector = _ref => {
  let {
    title,
    options,
    value,
    multiple = false,
    onChange,
    onChangeImmediate,
    safeAreaInsetTop,
    confirmButtonText,
    // popup 组件相关属性
    visible,
    closeOnPressOverlay = true,
    onClose,
    ...restProps
  } = _ref;
  const safeHeight = useSafeHeight({
    top: safeAreaInsetTop
  });
  const locale = Locale.useLocale().Selector;
  const TOKENS = Theme.useThemeTokens();
  const CV = Theme.createVar(TOKENS, varCreator);
  const CV_BUTTON = Theme.createVar(TOKENS, varCreatorButton);
  const CV_CHECKBOX = Theme.createVar(TOKENS, varCreatorCheckbox);
  const STYLES = Theme.createStyle(CV, styleCreator);
  const [selectedKeys, setSelectedKeys] = useState(multiple ? value ? [].concat(value) : [] : value ? [value] : []); // 同步已选的数据

  useEffect(() => {
    setSelectedKeys(multiple ? value ? [].concat(value) : [] : value ? [value] : []);
  }, [value, multiple]);
  /**
   * 生成每次点击的回调
   */

  const genOnPressOption = key => () => {
    if (multiple) {
      // 多选维护内部变量
      setSelectedKeys(v => {
        const other = v.filter(val => val !== key);

        if (other.length === v.length) {
          const newValues = v.concat(key);
          return onChangeImmediate ? onChangeImmediate(newValues) : newValues;
        }

        return onChangeImmediate ? onChangeImmediate(other) : other;
      });
    } else {
      const newValue = onChangeImmediate ? onChangeImmediate(key) : key; // 单选直接出发回调

      onChange === null || onChange === void 0 ? void 0 : onChange(newValue, options.filter(opt => opt.value === newValue));
    }
  };
  /**
   * 点击确定按钮
   */


  const onPressOk = () => {
    onChange === null || onChange === void 0 ? void 0 : onChange(selectedKeys, options.filter(opt => selectedKeys.indexOf(opt.value) > -1));
  };

  return /*#__PURE__*/React.createElement(Popup, _extends({}, restProps, {
    visible: visible,
    onClose: onClose,
    closeOnPressOverlay: closeOnPressOverlay,
    onPressOverlay: onClose,
    position: "bottom",
    safeAreaInsetBottom: true,
    round: true
  }), /*#__PURE__*/React.createElement(View, {
    style: {
      maxHeight: safeHeight
    }
  }, /*#__PURE__*/React.createElement(PopupHeader, {
    title: title || locale.title,
    onClose: onClose
  }), /*#__PURE__*/React.createElement(ScrollView, {
    bounces: false
  }, options.length === 0 ? /*#__PURE__*/React.createElement(Empty, null) : null, options === null || options === void 0 ? void 0 : options.map(item => {
    const isSelected = selectedKeys.findIndex(key => key === item.value) >= 0;
    return /*#__PURE__*/React.createElement(TouchableOpacity, {
      key: item.value,
      disabled: item.disabled,
      onPress: genOnPressOption(item.value),
      activeOpacity: CV_BUTTON.button_active_opacity
    }, /*#__PURE__*/React.createElement(View, {
      style: STYLES.option_item
    }, /*#__PURE__*/React.createElement(Text, {
      style: STYLES.option_item_text,
      numberOfLines: 1
    }, item.label), multiple ? /*#__PURE__*/React.createElement(CheckboxIcon, {
      active: isSelected,
      disabled: item.disabled,
      onPress: genOnPressOption(item.value)
    }) : isSelected ? /*#__PURE__*/React.createElement(SuccessOutline, {
      color: CV.selector_icon_selected_color,
      size: CV_CHECKBOX.checkbox_icon_size
    }) : null));
  })), multiple ? /*#__PURE__*/React.createElement(View, {
    style: STYLES.btn
  }, /*#__PURE__*/React.createElement(Button, {
    type: "primary",
    onPress: onPressOk,
    text: confirmButtonText || locale.confirmButtonText
  })) : null));
};

export default /*#__PURE__*/memo(Selector);
//# sourceMappingURL=selector.js.map