zarm-web/lib/tabs/Tabs.js

基于 React 的桌面端UI库

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _react = _interopRequireWildcard(require("react"));

var _classnames7 = _interopRequireDefault(require("classnames"));

var _Tab = _interopRequireDefault(require("./Tab"));

var _icon = _interopRequireDefault(require("../icon"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; if (obj != null) { var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

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); }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

var Tabs =
/*#__PURE__*/
function (_Component) {
  _inherits(Tabs, _Component);

  _createClass(Tabs, null, [{
    key: "getSelectIndex",
    value: function getSelectIndex(children) {
      var selectIndex;

      _react.default.Children.forEach(children, function (item, $index) {
        if (item.props && item.props.selected) {
          selectIndex = $index;
        }
      });

      return selectIndex;
    }
  }, {
    key: "getDerivedStateFromProps",
    value: function getDerivedStateFromProps(props) {
      var newState = {
        value: null
      };

      if ('value' in props) {
        newState.value = props.value;
        return newState;
      }

      return null;
    }
  }]);

  function Tabs(props) {
    var _this;

    _classCallCheck(this, Tabs);

    _this = _possibleConstructorReturn(this, _getPrototypeOf(Tabs).call(this, props));
    _this.tabHeaderWrap = void 0;
    _this.tabHeaderNav = void 0;
    _this.activeTab = void 0;

    _this.handleTabClick = function (e, index, disabled) {
      var onChange = _this.props.onChange;

      if (!disabled) {
        _this.updateTabBar(e.target);

        if (!('value' in _this.props)) {
          _this.setState({
            value: index
          });
        }

        typeof onChange === 'function' && onChange(index);
      }
    };

    _this.handleTabClose = function (e, index, disabled) {
      e.stopPropagation();
      var onTabClose = _this.props.onTabClose;

      if (!disabled) {
        typeof onTabClose === 'function' && onTabClose(index);
      }
    };

    _this.scrollRightOrBottom = function (e) {
      var _this$props = _this.props,
          direction = _this$props.direction,
          onNextClick = _this$props.onNextClick;
      var _this$state = _this.state,
          headerWidth = _this$state.headerWidth,
          headerHeight = _this$state.headerHeight,
          scrollWidth = _this$state.scrollWidth,
          scrollHeight = _this$state.scrollHeight,
          scrollOffset = _this$state.scrollOffset;
      var scrollDimension = direction === 'horizontal' ? scrollWidth : scrollHeight;
      var headerDimension = direction === 'horizontal' ? headerWidth : headerHeight;
      var offset = scrollDimension - scrollOffset - headerDimension;

      _this.setState({
        scrollOffset: scrollOffset + (offset > headerDimension ? headerDimension : offset)
      });

      onNextClick && onNextClick(e);
    };

    _this.scrollLeftOrTop = function (e) {
      var _this$props2 = _this.props,
          direction = _this$props2.direction,
          onPrevClick = _this$props2.onPrevClick;
      var _this$state2 = _this.state,
          headerWidth = _this$state2.headerWidth,
          headerHeight = _this$state2.headerHeight,
          scrollOffset = _this$state2.scrollOffset;
      var headerDimension = direction === 'horizontal' ? headerWidth : headerHeight;

      _this.setState({
        scrollOffset: scrollOffset - (scrollOffset > headerDimension ? headerDimension : scrollOffset)
      });

      onPrevClick && onPrevClick(e);
    };

    _this.getActiveNode = function (node) {
      if (node) {
        if (_this.activeTab !== node) {
          _this.activeTab = node;

          _this.setActiveLineStyle();
        }
      }
    };

    _this.state = {
      value: props.value || props.defaultValue || Tabs.getSelectIndex(props.children) || 0,
      lineWidth: 0,
      lineHeight: 0,
      scrollOffset: 0,
      headerWidth: 0,
      headerHeight: 0,
      scrollWidth: 0,
      scrollHeight: 0,
      isArrowShown: false
    };
    _this.tabHeaderWrap = _react.default.createRef();
    _this.tabHeaderNav = _react.default.createRef();
    return _this;
  }

  _createClass(Tabs, [{
    key: "componentDidMount",
    value: function componentDidMount() {
      this.updateArrow();
      this.setActiveLineStyle();
    }
  }, {
    key: "componentDidUpdate",
    value: function componentDidUpdate(prevProps, prevState) {
      var prevSize = prevProps.size,
          prevChildren = prevProps.children,
          prevDirection = prevProps.direction;
      var prevHeaderWidth = prevState.headerWidth,
          prevHeaderHeight = prevState.headerHeight,
          prevScrollWidth = prevState.scrollWidth;

      var _ref = this.props || {},
          currentSize = _ref.size,
          _ref$children = _ref.children,
          children = _ref$children === void 0 ? [] : _ref$children,
          direction = _ref.direction;

      var _this$state3 = this.state,
          headerWidth = _this$state3.headerWidth,
          headerHeight = _this$state3.headerHeight,
          scrollWidth = _this$state3.scrollWidth,
          scrollOffset = _this$state3.scrollOffset;

      if (prevSize !== currentSize || prevDirection !== direction) {
        this.setActiveLineStyle();
      }

      if (prevHeaderWidth !== headerWidth || prevHeaderHeight !== headerHeight || prevChildren !== children) {
        this.updateArrow();
      }

      if (scrollWidth < prevScrollWidth) {
        var result = scrollOffset - (prevScrollWidth - scrollWidth);

        if (result > 0) {
          this.updateScrollOffset(result);
        }
      }
    }
  }, {
    key: "setActiveLineStyle",
    value: function setActiveLineStyle() {
      var _ref2 = this.activeTab && this.activeTab.getBoundingClientRect() || {},
          _ref2$width = _ref2.width,
          width = _ref2$width === void 0 ? 0 : _ref2$width,
          _ref2$height = _ref2.height,
          height = _ref2$height === void 0 ? 0 : _ref2$height;

      this.setState({
        lineWidth: width,
        lineHeight: height
      });
    }
  }, {
    key: "getScrollOffset",
    value: function getScrollOffset(target) {
      var direction = this.props.direction;
      var _this$state4 = this.state,
          scrollOffset = _this$state4.scrollOffset,
          headerWidth = _this$state4.headerWidth,
          headerHeight = _this$state4.headerHeight;
      var offsetLeft = target.offsetLeft,
          offsetTop = target.offsetTop;

      var _target$getBoundingCl = target.getBoundingClientRect(),
          width = _target$getBoundingCl.width,
          height = _target$getBoundingCl.height;

      if (direction === 'horizontal') {
        var _diff = scrollOffset + headerWidth < offsetLeft + width ? offsetLeft + width - headerWidth : scrollOffset;

        return scrollOffset > offsetLeft ? offsetLeft : _diff;
      }

      var diff = scrollOffset + headerHeight < offsetTop + height ? offsetTop + height - headerHeight : scrollOffset;
      return scrollOffset > offsetTop ? offsetTop : diff;
    }
  }, {
    key: "getHeaderStyle",
    value: function getHeaderStyle() {
      var _ref3 = this.tabHeaderWrap && this.tabHeaderWrap.current && this.tabHeaderWrap.current.getBoundingClientRect() || {},
          _ref3$width = _ref3.width,
          headerWidth = _ref3$width === void 0 ? 0 : _ref3$width,
          _ref3$height = _ref3.height,
          headerHeight = _ref3$height === void 0 ? 0 : _ref3$height;

      var _ref4 = this.tabHeaderNav && this.tabHeaderNav.current && this.tabHeaderNav.current.getBoundingClientRect() || {},
          _ref4$width = _ref4.width,
          scrollWidth = _ref4$width === void 0 ? 0 : _ref4$width,
          _ref4$height = _ref4.height,
          scrollHeight = _ref4$height === void 0 ? 0 : _ref4$height;

      return {
        headerWidth: headerWidth,
        headerHeight: headerHeight,
        scrollWidth: scrollWidth,
        scrollHeight: scrollHeight
      };
    }
  }, {
    key: "updateScrollOffset",
    value: function updateScrollOffset(scrollOffset) {
      this.setState({
        scrollOffset: scrollOffset
      });
    }
  }, {
    key: "updateArrow",
    value: function updateArrow() {
      var _this2 = this;

      var direction = this.props.direction;

      var _this$getHeaderStyle = this.getHeaderStyle(),
          headerWidth = _this$getHeaderStyle.headerWidth,
          headerHeight = _this$getHeaderStyle.headerHeight,
          scrollWidth = _this$getHeaderStyle.scrollWidth,
          scrollHeight = _this$getHeaderStyle.scrollHeight;

      var isArrowShown = direction === 'horizontal' && scrollWidth > headerWidth || direction === 'vertical' && scrollHeight > headerHeight;
      this.setState({
        isArrowShown: isArrowShown
      }, function () {
        _this2.setState(_this2.getHeaderStyle());

        _this2.updateTabBar(_this2.activeTab);
      });
    }
  }, {
    key: "updateTabBar",
    value: function updateTabBar(target) {
      var _this$state5 = this.state,
          scrollOffset = _this$state5.scrollOffset,
          isArrowShown = _this$state5.isArrowShown;
      var offset = isArrowShown ? this.getScrollOffset(target) : scrollOffset;
      this.updateScrollOffset(offset);
    }
  }, {
    key: "renderHeaderLine",
    value: function renderHeaderLine() {
      var _this$props3 = this.props,
          direction = _this$props3.direction,
          prefixCls = _this$props3.prefixCls;
      var _this$state6 = this.state,
          lineWidth = _this$state6.lineWidth,
          lineHeight = _this$state6.lineHeight;

      var _ref5 = this.activeTab || {},
          _ref5$offsetLeft = _ref5.offsetLeft,
          offsetLeft = _ref5$offsetLeft === void 0 ? 0 : _ref5$offsetLeft,
          _ref5$offsetTop = _ref5.offsetTop,
          offsetTop = _ref5$offsetTop === void 0 ? 0 : _ref5$offsetTop;

      var headerLineStyle = direction === 'horizontal' ? {
        width: lineWidth,
        height: 0,
        transform: "translate3d(".concat(offsetLeft, "px,0,0)")
      } : {
        width: 0,
        height: lineHeight,
        transform: "translate3d(0,".concat(offsetTop, "px,0)")
      };
      return _react.default.createElement("div", {
        className: "".concat(prefixCls, "__header__line"),
        style: headerLineStyle
      });
    }
  }, {
    key: "render",
    value: function render() {
      var _classnames,
          _classnames4,
          _classnames5,
          _this3 = this;

      var _this$props4 = this.props,
          className = _this$props4.className,
          children = _this$props4.children,
          style = _this$props4.style,
          prefixCls = _this$props4.prefixCls,
          type = _this$props4.type,
          direction = _this$props4.direction,
          size = _this$props4.size,
          animated = _this$props4.animated;
      var _this$state7 = this.state,
          value = _this$state7.value,
          isArrowShown = _this$state7.isArrowShown,
          scrollOffset = _this$state7.scrollOffset,
          headerWidth = _this$state7.headerWidth,
          headerHeight = _this$state7.headerHeight,
          scrollWidth = _this$state7.scrollWidth,
          scrollHeight = _this$state7.scrollHeight;
      var headerDimension = direction === 'horizontal' ? headerWidth : headerHeight;
      var scrollDimension = direction === 'horizontal' ? scrollWidth : scrollHeight;
      var arrowL = direction === 'horizontal' ? 'left' : 'top';
      var arrowR = direction === 'horizontal' ? 'right' : 'bottom';
      var isArrowLDisabled = scrollOffset === 0;
      var isArrowRDisabled = Math.floor(Math.abs(scrollOffset + headerDimension - scrollDimension)) === 0;
      var animateStyle = direction === 'horizontal' ? {
        marginLeft: "-".concat(value * 100, "%")
      } : {};
      var headerNavStyle = direction === 'horizontal' ? {
        transform: "translate3d(".concat(-scrollOffset, "px,0,0)")
      } : {
        transform: "translate3d(0,".concat(-scrollOffset, "px,0)")
      };
      var cls = (0, _classnames7.default)(prefixCls, className, (_classnames = {}, _defineProperty(_classnames, "".concat(prefixCls, "--").concat(direction), direction), _defineProperty(_classnames, "".concat(prefixCls, "--").concat(size), size), _defineProperty(_classnames, "".concat(prefixCls, "--").concat(type), direction === 'horizontal' && type), _classnames));
      var headerCls = (0, _classnames7.default)("".concat(prefixCls, "__header"), _defineProperty({}, "".concat(prefixCls, "__header--arrow-mode"), isArrowShown));
      var bodyCls = (0, _classnames7.default)("".concat(prefixCls, "__body"), _defineProperty({}, "".concat(prefixCls, "__body--animated"), animated));
      var arrowLCls = (0, _classnames7.default)("".concat(prefixCls, "__header__arrow"), (_classnames4 = {}, _defineProperty(_classnames4, "".concat(prefixCls, "__header__arrow--").concat(arrowL), arrowL), _defineProperty(_classnames4, "".concat(prefixCls, "__header__arrow--disabled"), isArrowLDisabled), _classnames4));
      var arrowRCls = (0, _classnames7.default)("".concat(prefixCls, "__header__arrow"), (_classnames5 = {}, _defineProperty(_classnames5, "".concat(prefixCls, "__header__arrow--").concat(arrowR), arrowR), _defineProperty(_classnames5, "".concat(prefixCls, "__header__arrow--disabled"), isArrowRDisabled), _classnames5));

      var items = _react.default.Children.map(children, function (item, $index) {
        var _classnames6;

        var tabItemCls = (0, _classnames7.default)("".concat(prefixCls, "__header__item"), (_classnames6 = {}, _defineProperty(_classnames6, "".concat(prefixCls, "__header__item--disabled"), !!item.props.disabled), _defineProperty(_classnames6, "".concat(prefixCls, "__header__item--active"), $index === value), _classnames6));
        var bindActiveRef = $index === value ? {
          ref: _this3.getActiveNode
        } : {};
        return _react.default.createElement("div", _extends({
          key: $index.toString(),
          className: tabItemCls
        }, bindActiveRef, {
          onClick: function onClick(e) {
            _this3.handleTabClick(e, $index, item.props.disabled);
          }
        }), item.props.title, direction === 'horizontal' && item.props.closable && _react.default.createElement(_icon.default, {
          type: "wrong",
          onClick: function onClick(e) {
            _this3.handleTabClose(e, $index, item.props.disabled);
          }
        }));
      });

      var content = _react.default.Children.map(children, function (item, $index) {
        return _react.default.createElement(_Tab.default, _extends({}, item.props, {
          selected: value === $index
        }), item.props.children);
      });

      return _react.default.createElement("div", {
        className: cls,
        style: style
      }, _react.default.createElement("div", {
        className: headerCls
      }, _react.default.createElement("div", {
        className: "".concat(prefixCls, "__header__scroll"),
        ref: this.tabHeaderWrap
      }, _react.default.createElement("div", {
        className: "".concat(prefixCls, "__header__nav"),
        ref: this.tabHeaderNav,
        style: isArrowShown ? headerNavStyle : {}
      }, items, type === 'line' && this.renderHeaderLine())), isArrowShown && _react.default.createElement(_react.default.Fragment, null, _react.default.createElement("span", {
        className: arrowLCls,
        onClick: function onClick(e) {
          return !isArrowLDisabled && _this3.scrollLeftOrTop(e);
        }
      }, _react.default.createElement(_icon.default, {
        type: "arrow-".concat(arrowL)
      })), _react.default.createElement("span", {
        className: arrowRCls,
        onClick: function onClick(e) {
          return !isArrowRDisabled && _this3.scrollRightOrBottom(e);
        }
      }, _react.default.createElement(_icon.default, {
        type: "arrow-".concat(arrowR)
      })))), _react.default.createElement("div", {
        className: bodyCls,
        style: animateStyle
      }, content));
    }
  }]);

  return Tabs;
}(_react.Component);

Tabs.displayName = 'Tabs';
Tabs.Tab = void 0;
Tabs.defaultProps = {
  defaultValue: 0,
  prefixCls: 'zw-tabs',
  type: 'line',
  direction: 'horizontal',
  size: 'md',
  onChange: function onChange() {},
  onTabClose: function onTabClose() {},
  animated: true
};
var _default = Tabs;
exports.default = _default;