@alifd/meet-react/es/cascader-select/cascader-select.js

Fusion Mobile React UI System Component

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import { rpx2vw4style as __rpx2vw__ } from "@alifd/babel-runtime-jsx-style-transform";
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function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }
function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
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function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
import { __awaiter, __rest } from "tslib";
import React, { createElement, forwardRef, Fragment, useEffect, useRef, useState } from "react";
import classNames from 'classnames';
import { ScrollView, Text } from "@alifd/meet-react-component-one";
import View from '../view';
import Icon from '../icon';
import BreadCrumb from '../bread-crumb';
import List from '../list';
import Picker from '../picker';
import SelectDrawer from '../select-drawer';
import { useLocale } from '../locale';
import { isFunction, isUndef, isValidArray, isStrictWechatMiniProgram } from '../utils';
import { find, getDataByValues, getFirstValue, getSiblings, getFullPathByValue } from '../utils/tree';
var getInitValue = function getInitValue(props) {
  var _props$dataSource = props.dataSource,
    dataSource = _props$dataSource === void 0 ? [] : _props$dataSource,
    defaultValue = props.defaultValue,
    value = props.value;
  var ret = [];
  if ('value' in props) {
    if (isValidArray(value)) {
      ret = value;
    } else if (!Array.isArray(value) && value) {
      ret = getFullPathByValue(props.dataSource, props.value);
    }
  } else if (!isUndef(defaultValue)) {
    if (isValidArray(defaultValue)) {
      ret = defaultValue;
    } else if (!Array.isArray(defaultValue) && defaultValue) {
      ret = getFullPathByValue(dataSource, defaultValue);
    }
  }
  return ret;
};
var getInitInternalValue = function getInitInternalValue(props) {
  var r = getInitValue(props);
  var isNormalMode = props.mode !== 'mini';
  if (r.length === 0) {
    if (!isNormalMode) {
      return getFirstValue(props.dataSource);
    } else {
      return [];
    }
  } else {
    return r;
  }
};
var defaultRenderContent = function defaultRenderContent() {
  var values = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
  var separator = arguments.length > 1 ? arguments[1] : undefined;
  return Array.isArray(values) ? values.map(function (val) {
    return val.label;
  }).join(separator) : '';
};
var CascaderSelect = function CascaderSelect(props, ref) {
  var _props$prefix = props.prefix,
    prefix = _props$prefix === void 0 ? 'mt-' : _props$prefix,
    _props$dataSource2 = props.dataSource,
    dataSource = _props$dataSource2 === void 0 ? [] : _props$dataSource2,
    _props$separator = props.separator,
    separator = _props$separator === void 0 ? '/' : _props$separator,
    _props$mode = props.mode,
    mode = _props$mode === void 0 ? 'normal' : _props$mode,
    value = props.value,
    defaultValue = props.defaultValue,
    className = props.className,
    hasClear = props.hasClear,
    _props$useSimpleValue = props.useSimpleValue,
    useSimpleValue = _props$useSimpleValue === void 0 ? false : _props$useSimpleValue,
    onChange = props.onChange,
    _props$rootTipText = props.rootTipText,
    rootTipText = _props$rootTipText === void 0 ? '' : _props$rootTipText,
    localeProp = props.locale,
    loadData = props.loadData,
    isPreview = props.isPreview,
    renderPreview = props.renderPreview,
    _props$size = props.size,
    size = _props$size === void 0 ? 'medium' : _props$size,
    drawerClassName = props.drawerClassName,
    previewClassNameProp = props.previewClassName,
    previewStyle = props.previewStyle,
    _props$onSelect = props.onSelect,
    onSelect = _props$onSelect === void 0 ? function () {} : _props$onSelect,
    _props$onClear = props.onClear,
    onClear = _props$onClear === void 0 ? function () {} : _props$onClear,
    onCancel = props.onCancel,
    _props$renderContent = props.renderContent,
    renderContent = _props$renderContent === void 0 ? defaultRenderContent : _props$renderContent,
    others = __rest(props, ["prefix", "dataSource", "separator", "mode", "value", "defaultValue", "className", "hasClear", "useSimpleValue", "onChange", "rootTipText", "locale", "loadData", "isPreview", "renderPreview", "size", "drawerClassName", "previewClassName", "previewStyle", "onSelect", "onClear", "onCancel", "renderContent"]);
  var scrollRef = useRef(null);
  var clsPrefix = "".concat(prefix, "cascader-select");
  var isControlled = ('value' in props);
  var isNormalMode = mode !== 'mini';
  var previewClassName = classNames(previewClassNameProp, "".concat(prefix, "form-item-input--preview-").concat(size));
  var loadingIcon = /*#__PURE__*/React.createElement(Icon, {
    className: "".concat(clsPrefix, "-icon--loading"),
    name: "loading",
    size: "s"
  });
  var selectedIcon = /*#__PURE__*/React.createElement(Icon, {
    className: "".concat(clsPrefix, "-icon--selected"),
    name: "select",
    size: "s"
  });
  var _useState = useState(getInitValue(props)),
    _useState2 = _slicedToArray(_useState, 2),
    curVal = _useState2[0],
    setVal = _useState2[1];
  var _useState3 = useState(getInitInternalValue(props)),
    _useState4 = _slicedToArray(_useState3, 2),
    internalValue = _useState4[0],
    setInternalVal = _useState4[1];
  var _useState5 = useState(null),
    _useState6 = _slicedToArray(_useState5, 2),
    loadingNode = _useState6[0],
    setLoadingNode = _useState6[1];
  var _useState7 = useState(false),
    _useState8 = _slicedToArray(_useState7, 2),
    drawerVisible = _useState8[0],
    setDrawerVisible = _useState8[1];
  var locale = localeProp || useLocale('Cascader', props, {
    rootTipText: '首页'
  });
  var innerSelectedPath = getDataByValues(dataSource, internalValue);
  var handlePickerChange = function handlePickerChange(v) {
    return setInternalVal(v);
  };
  var handleOk = function handleOk() {
    if (isNormalMode) {
      if (isValidArray(internalValue)) {
        var lastVal = internalValue[internalValue.length - 1];
        var n = find(dataSource, function (node) {
          return node.value === lastVal;
        });
        if (n && n.children) {
          handleCancel('invalid-selection');
          return;
        }
      } else {
        handleCancel('invalid-selection');
        return;
      }
    }
    if (!isControlled) {
      setVal(internalValue);
    }
    if (onChange) {
      var selectedPath = getDataByValues(dataSource, internalValue);
      var lastData = selectedPath[selectedPath.length - 1];
      onChange(useSimpleValue ? lastData.value || '' : internalValue, lastData, {
        selectedPath: selectedPath
      });
    }
  };
  var handleCancel = function handleCancel(reason) {
    setInternalVal(curVal);
    if (isFunction(onCancel)) {
      onCancel(reason);
    }
  };
  var handleListClick = function handleListClick(item, dpt) {
    return __awaiter(void 0, void 0, void 0, /*#__PURE__*/_regeneratorRuntime().mark(function _callee() {
      var val, newInternalVal;
      return _regeneratorRuntime().wrap(function _callee$(_context) {
        while (1) switch (_context.prev = _context.next) {
          case 0:
            val = item.value;
            newInternalVal = [].concat(_toConsumableArray(internalValue.slice(0, dpt)), [val]);
            if (loadData && internalValue.indexOf(val) > -1) {
              newInternalVal = internalValue.slice(0, internalValue.indexOf(val) + 1);
            }
            setInternalVal(newInternalVal);
            if (!(loadData && !item.isLeaf)) {
              _context.next = 9;
              break;
            }
            setLoadingNode(val);
            _context.next = 8;
            return loadData(item);
          case 8:
            setLoadingNode(null);
          case 9:
            if (item.children && scrollRef.current) {
              scrollRef.current.scrollTo(0, 0);
            }
            if (onSelect) {
              onSelect(val, item);
            }
          case 11:
          case "end":
            return _context.stop();
        }
      }, _callee);
    }));
  };
  var handleBreadCrumbClick = function handleBreadCrumbClick() {
    var index = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
    setInternalVal(internalValue.slice(0, index));
    if (scrollRef.current) {
      scrollRef.current.scrollTo(0, 0);
    }
  };
  var handleClear = function handleClear() {
    if (!isControlled) {
      setVal([]);
      setInternalVal([]);
    }
    if (onClear) {
      onClear();
    }
    if (onChange) {
      onChange(useSimpleValue ? '' : [], {}, {
        selectedPath: []
      });
    }
  };
  var handleVisibleChange = function handleVisibleChange(visible) {
    return setDrawerVisible(visible);
  };
  useEffect(function () {
    setVal(getInitValue(props));
    setInternalVal(getInitInternalValue(props));
  }, [value]);
  useEffect(function () {
    if (!drawerVisible) {
      setVal(getInitValue(props));
      setInternalVal(getInitInternalValue(props));
    }
  }, [props.dataSource]);
  var nextList = [];
  if (isNormalMode) {
    if (isValidArray(internalValue)) {
      var lastVal = internalValue[internalValue.length - 1];
      var t = find(dataSource, function (node) {
        return node.value === lastVal;
      });
      if (t && loadingNode === t.value) {
        nextList = [];
      } else if (t && isValidArray(t.children)) {
        nextList = t.children;
      }
    } else {
      nextList = dataSource;
    }
  }
  var renderPicker = function renderPicker() {
    return isValidArray(dataSource) ? /*#__PURE__*/React.createElement(Picker, {
      cascade: true,
      data: dataSource,
      value: internalValue,
      onChange: handlePickerChange
    }) : null;
  };
  if (isPreview) {
    if (isFunction(renderPreview)) {
      return /*#__PURE__*/React.createElement(View, {
        className: previewClassName,
        style: __rpx2vw__(previewStyle)
      }, renderPreview(innerSelectedPath));
    }
    return /*#__PURE__*/React.createElement(Text, {
      className: previewClassName,
      style: __rpx2vw__(previewStyle)
    }, innerSelectedPath.map(function (node) {
      return node.label;
    }).join(separator));
  }
  return /*#__PURE__*/React.createElement(SelectDrawer, _extends({}, others, {
    ref: ref,
    hasClear: hasClear,
    className: classNames(clsPrefix, className),
    content: renderContent(getDataByValues(dataSource, curVal), separator),
    drawerClassName: classNames("".concat(clsPrefix, "-container"), drawerClassName),
    onVisibleChange: handleVisibleChange,
    onOk: handleOk,
    onCancel: handleCancel,
    onClear: handleClear
  }), isNormalMode ? /*#__PURE__*/React.createElement(Fragment, null, /*#__PURE__*/React.createElement(BreadCrumb, {
    className: classNames("".concat(clsPrefix, "-nav"), _defineProperty({}, "".concat(clsPrefix, "-nav--wechat"), isStrictWechatMiniProgram)),
    onClick: handleBreadCrumbClick
  }, /*#__PURE__*/React.createElement(BreadCrumb.Item, null, rootTipText || locale.rootTipText), isValidArray(innerSelectedPath) ? innerSelectedPath.map(function (val) {
    return /*#__PURE__*/React.createElement(BreadCrumb.Item, {
      key: val.value
    }, val.label);
  }) : null), /*#__PURE__*/React.createElement(View, {
    className: "".concat(clsPrefix, "-gutter")
  })) : null, !isNormalMode ? renderPicker() : /*#__PURE__*/React.createElement(ScrollView, {
    showsVerticalScrollIndicator: true,
    showsHorizontalScrollIndicator: false,
    ref: scrollRef,
    className: "".concat(clsPrefix, "-scrollview")
  }, /*#__PURE__*/React.createElement(View, {
    className: "".concat(clsPrefix, "-item-container")
  }, isValidArray(internalValue) ? internalValue.map(function (val, index) {
    var list = getSiblings(dataSource, val);
    return isValidArray(list) ? /*#__PURE__*/React.createElement(List, {
      className: "".concat(clsPrefix, "-list"),
      key: val
    }, list.map(function (item) {
      var icon = null;
      var hasArrow = loadData && !item.isLeaf || !loadData && item.children;
      if (loadData && loadingNode === item.value) {
        icon = loadingIcon;
      } else if (loadData && item.value === val || !loadData && item.value === val) {
        icon = selectedIcon;
      }
      return /*#__PURE__*/React.createElement(List.Item, {
        key: item.value,
        title: item.label,
        extra: icon,
        arrow: hasArrow && !icon ? 'right' : null,
        disabled: item.disabled,
        onClick: function onClick() {
          return handleListClick(item, index);
        }
      });
    })) : null;
  }) : null, isValidArray(nextList) ? /*#__PURE__*/React.createElement(List, {
    className: "".concat(clsPrefix, "-list")
  }, nextList.map(function (item) {
    var icon = null;
    var hasArrow = item.children || loadData && !item.isLeaf;
    if (loadData && item.isLeaf && item.value === loadingNode) {
      icon = loadingIcon;
    }
    return /*#__PURE__*/React.createElement(List.Item, {
      key: item.value,
      title: item.label,
      extra: icon,
      arrow: hasArrow && !icon ? 'right' : null,
      disabled: item.disabled,
      onClick: function onClick() {
        return handleListClick(item, internalValue ? internalValue.length : 0);
      }
    });
  })) : null)));
};
CascaderSelect.displayName = 'CascaderSelect';
export default /*#__PURE__*/forwardRef(CascaderSelect);