@alifd/meet-react/es/tab/tab.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 _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : String(i); }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
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, { createContext, createElement, forwardRef, Fragment, useEffect, useRef, useState, Children, cloneElement } from "react";
import classNames from 'classnames';
import { ScrollView, Text } from "@alifd/meet-react-component-one";
import View from '../view';
import Icon from '../icon';
import Picker from '../picker';
import { BaseSelectDrawer } from '../select-drawer';
import TabItem from './item';
import { useLocale } from '../locale';
import defaultLang from '../locale/lang/zh-cn';
import { getLeft, getScrollLeft, getWidth, isFunction, isValidArray, isStrictWechatMiniProgram, screenPixelRatio } from '../utils';
import { useGuid } from '../utils/hooks';
export var TabContext = /*#__PURE__*/createContext({
  activeKey: -1,
  fullWidth: true,
  shape: 'normal',
  activeLineType: 'normal',
  change: function change() {}
});
var getTabData = function getTabData(props) {
  var dataSource = props.dataSource,
    children = props.children;
  if (isValidArray(dataSource)) {
    return dataSource.map(function (item) {
      return Object.assign(Object.assign({}, item), {
        label: item.title,
        value: item.key
      });
    });
  } else if (children) {
    return Children.map(children, function (child) {
      var title = child.props.title;
      var key = child.key;
      return {
        label: title,
        value: key
      };
    });
  } else {
    return [];
  }
};
var getInitActiveKey = function getInitActiveKey(props) {
  if ('activeKey' in props && props.activeKey) {
    return props.activeKey;
  } else if (props.defaultActiveKey || props.defaultActiveKey === 0) {
    return props.defaultActiveKey;
  } else {
    return undefined;
  }
};
var timerMap = {};
var Tab = function Tab(props, ref) {
  var _props$prefix = props.prefix,
    prefix = _props$prefix === void 0 ? 'mt-' : _props$prefix,
    activeKey = props.activeKey,
    _props$defaultActiveK = props.defaultActiveKey,
    defaultActiveKey = _props$defaultActiveK === void 0 ? -1 : _props$defaultActiveK,
    _props$size = props.size,
    size = _props$size === void 0 ? 'medium' : _props$size,
    _props$activeLineType = props.activeLineType,
    activeLineType = _props$activeLineType === void 0 ? 'normal' : _props$activeLineType,
    _props$shape = props.shape,
    shape = _props$shape === void 0 ? 'normal' : _props$shape,
    _props$fullWidth = props.fullWidth,
    fullWidth = _props$fullWidth === void 0 ? true : _props$fullWidth,
    renderTool = props.renderTool,
    _props$onChange = props.onChange,
    onChange = _props$onChange === void 0 ? function () {} : _props$onChange,
    _props$dataSource = props.dataSource,
    dataSource = _props$dataSource === void 0 ? [] : _props$dataSource,
    className = props.className,
    contentClassName = props.contentClassName,
    contentStyle = props.contentStyle,
    renderTab = props.renderTab,
    children = props.children,
    others = __rest(props, ["prefix", "activeKey", "defaultActiveKey", "size", "activeLineType", "shape", "fullWidth", "renderTool", "onChange", "dataSource", "className", "contentClassName", "contentStyle", "renderTab", "children"]);
  var locale = useLocale('Tab', others, defaultLang.Tab);
  var _useState = useState(getInitActiveKey(props)),
    _useState2 = _slicedToArray(_useState, 2),
    curActiveKey = _useState2[0],
    setActiveKey = _useState2[1];
  var _useState3 = useState(false),
    _useState4 = _slicedToArray(_useState3, 2),
    drawerVisible = _useState4[0],
    setDrawerVisible = _useState4[1];
  var _useState5 = useState(getInitActiveKey(props)),
    _useState6 = _slicedToArray(_useState5, 2),
    internalTabKey = _useState6[0],
    setInternalActiveKey = _useState6[1];
  var curTabScrollId = useGuid('tab-scroll-');
  var curScrollContainerId = useGuid('tab-ctn-');
  var scrollRef = useRef();
  var activeTabRef = useRef();
  var isControlled = ('activeKey' in props);
  var _useState7 = useState(false),
    _useState8 = _slicedToArray(_useState7, 2),
    isOverflow = _useState8[0],
    setOverflow = _useState8[1];
  var isExcessMode = !fullWidth && isOverflow;
  var clsPrefix = "".concat(prefix, "tab");
  var clses = {
    tab: classNames([clsPrefix, "".concat(clsPrefix, "--").concat(shape), className]),
    divider: classNames(_defineProperty({}, "".concat(clsPrefix, "-divider"), shape !== 'capsule')),
    container: classNames(_defineProperty(_defineProperty(_defineProperty({}, "".concat(clsPrefix, "-container"), true), "".concat(clsPrefix, "-container--").concat(size), true), "".concat(clsPrefix, "-container--wechat"), isStrictWechatMiniProgram)),
    scrollContainer: classNames("".concat(clsPrefix, "-scroll-container"), "".concat(clsPrefix, "-scroll-container--").concat(size), _defineProperty(_defineProperty({}, "".concat(clsPrefix, "-scroll-container--fullwidth"), fullWidth), "".concat(clsPrefix, "-scroll-container--wechat"), isStrictWechatMiniProgram)),
    tool: classNames("".concat(clsPrefix, "-tool"), "".concat(clsPrefix, "-tool--").concat(size)),
    toolIcon: classNames("".concat(clsPrefix, "-tool-icon"), "".concat(clsPrefix, "-tool-icon--").concat(size)),
    drawer: classNames("".concat(clsPrefix, "-drawer")),
    content: classNames("".concat(clsPrefix, "-content"), contentClassName)
  };
  var scrollTo = function scrollTo(offset) {
    if (!timerMap[curTabScrollId]) {
      timerMap[curTabScrollId] = setTimeout(function () {
        if (scrollRef && scrollRef.current && scrollRef.current.scrollTo) {
          scrollRef.current.scrollTo(Object.assign(Object.assign({}, offset), {
            duration: 150
          }));
          timerMap[curTabScrollId] = null;
        }
      }, 200);
    }
  };
  useEffect(function () {
    if (isControlled && curActiveKey && !props.activeKey) {
      setActiveKey(getInitActiveKey(props));
      return;
    }
    if (isControlled) {
      setActiveKey(props.activeKey);
    }
  });
  useEffect(function () {
    setTimeout(function () {
      (function () {
        return __awaiter(void 0, void 0, void 0, /*#__PURE__*/_regeneratorRuntime().mark(function _callee() {
          var activeTabId, containerWidth, containerOffsetLeft, scrollLeft, activeTabWidth, activeTabOffsetLeft, totalWidth, centerMarkerPos, distance;
          return _regeneratorRuntime().wrap(function _callee$(_context) {
            while (1) switch (_context.prev = _context.next) {
              case 0:
                activeTabId = activeTabRef.current && activeTabRef.current.id;
                _context.next = 3;
                return getWidth(curTabScrollId);
              case 3:
                containerWidth = _context.sent;
                _context.next = 6;
                return getLeft(curTabScrollId);
              case 6:
                containerOffsetLeft = _context.sent;
                _context.next = 9;
                return getScrollLeft(curTabScrollId);
              case 9:
                scrollLeft = _context.sent;
                _context.next = 12;
                return getWidth(activeTabId);
              case 12:
                activeTabWidth = _context.sent;
                _context.next = 15;
                return getLeft(activeTabId);
              case 15:
                _context.t0 = _context.sent;
                _context.t1 = containerOffsetLeft;
                activeTabOffsetLeft = _context.t0 - _context.t1;
                _context.next = 20;
                return getWidth(curScrollContainerId);
              case 20:
                totalWidth = _context.sent;
                centerMarkerPos = containerWidth / 2;
                if (!fullWidth) {
                  setOverflow(totalWidth > containerWidth);
                }
                if (scrollRef.current && activeTabRef.current) {
                  distance = Math.floor(Math.max(activeTabOffsetLeft - centerMarkerPos + scrollLeft + activeTabWidth / 2, 0));
                  if (scrollLeft !== distance) {
                    scrollTo({
                      x: distance / screenPixelRatio,
                      y: 0
                    });
                  }
                }
              case 24:
              case "end":
                return _context.stop();
            }
          }, _callee);
        }));
      })();
    }, 50);
  });
  var content;
  if (dataSource && dataSource.length > 0) {
    content = dataSource.map(function (item, index) {
      return /*#__PURE__*/React.createElement(TabItem, _extends({
        key: item.key || index,
        itemKey: item.key,
        renderContent: renderTab,
        ref: item.key === curActiveKey ? activeTabRef : null,
        prefix: prefix,
        size: size
      }, item));
    });
  } else {
    content = Children.map(children, function (child, index) {
      return cloneElement(child, {
        key: "mt_tab_".concat(index),
        itemKey: child.key || index,
        ref: "".concat(child.key) === "".concat(curActiveKey) ? activeTabRef : null,
        renderContent: child.renderContent || renderTab,
        prefix: prefix,
        size: size
      });
    });
  }
  var getTool = function getTool() {
    if (!isExcessMode) {
      return null;
    }
    var _children = /*#__PURE__*/React.createElement(Fragment, null, /*#__PURE__*/React.createElement(Text, null, locale.more), /*#__PURE__*/React.createElement(Icon, {
      className: clses.toolIcon,
      name: "arrow-down",
      size: "xxs"
    }));
    if (isFunction(renderTool)) {
      var renderedToolEl = renderTool();
      if (renderedToolEl) {
        _children = renderedToolEl;
      } else {
        _children = null;
      }
    }
    return _children ? /*#__PURE__*/React.createElement(View, {
      className: clses.tool,
      onClick: function onClick() {
        setDrawerVisible(true);
        setInternalActiveKey(curActiveKey);
      }
    }, _children) : null;
  };
  var handleChange = function handleChange(v) {
    if (!isControlled) {
      setActiveKey(v);
    }
    if (isFunction(onChange) && v !== curActiveKey) {
      onChange(v);
    }
  };
  var handleDrawerOk = function handleDrawerOk() {
    setDrawerVisible(false);
    handleChange(internalTabKey);
  };
  var handleDrawerCancel = function handleDrawerCancel() {
    setDrawerVisible(false);
    setInternalActiveKey(curActiveKey);
  };
  var getChildren = function getChildren(activeTabKey) {
    var ret = null;
    Children.forEach(children, function (child) {
      if (ret) {
        return;
      }
      var _key = child.key;
      if ("".concat(_key) === "".concat(activeTabKey)) {
        ret = child.props.children;
      }
    });
    return ret;
  };
  return /*#__PURE__*/React.createElement(TabContext.Provider, {
    value: {
      activeKey: curActiveKey,
      change: handleChange,
      shape: shape,
      fullWidth: fullWidth,
      activeLineType: activeLineType
    }
  }, /*#__PURE__*/React.createElement(View, null, /*#__PURE__*/React.createElement(View, _extends({}, others, {
    className: clses.tab,
    ref: ref
  }), /*#__PURE__*/React.createElement(ScrollView, {
    ref: scrollRef,
    id: curTabScrollId,
    className: clses.container,
    contentContainerStyle: {
      flex: props.renderTool ? null : 1
    },
    horizontal: true,
    showsHorizontalScrollIndicator: false
  }, /*#__PURE__*/React.createElement(View, {
    id: curScrollContainerId,
    className: clses.scrollContainer
  }, content)), shape !== 'capsule' && /*#__PURE__*/React.createElement(View, {
    className: clses.divider
  }), getTool()), /*#__PURE__*/React.createElement(View, {
    className: clses.content,
    style: __rpx2vw__(contentStyle)
  }, getChildren(curActiveKey))), isExcessMode ? /*#__PURE__*/React.createElement(BaseSelectDrawer, {
    visible: drawerVisible,
    onOk: handleDrawerOk,
    onCancel: handleDrawerCancel
  }, /*#__PURE__*/React.createElement(ScrollView, {
    className: clses.drawer
  }, /*#__PURE__*/React.createElement(Picker, {
    cascade: true,
    data: getTabData(props),
    value: [internalTabKey],
    onChange: function onChange(v) {
      if (isValidArray(v)) {
        setInternalActiveKey(v[0]);
      }
    }
  }))) : null);
};
Tab.displayName = 'Tab';
export default /*#__PURE__*/forwardRef(Tab);