choerodon-ui/es/rc-components/tabs/Tabs.js

An enterprise-class UI design language and React-based implementation

import _extends from "@babel/runtime/helpers/extends";
import _objectWithoutProperties from "@babel/runtime/helpers/objectWithoutProperties";
import _classCallCheck from "@babel/runtime/helpers/classCallCheck";
import _createClass from "@babel/runtime/helpers/createClass";
import _assertThisInitialized from "@babel/runtime/helpers/assertThisInitialized";
import _inherits from "@babel/runtime/helpers/inherits";
import _possibleConstructorReturn from "@babel/runtime/helpers/possibleConstructorReturn";
import _getPrototypeOf from "@babel/runtime/helpers/getPrototypeOf";
import _defineProperty from "@babel/runtime/helpers/defineProperty";

function _createSuper(Derived) {
  function isNativeReflectConstruct() {
    if (typeof Reflect === "undefined" || !Reflect.construct) return false;
    if (Reflect.construct.sham) return false;
    if (typeof Proxy === "function") return true;

    try {
      Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));
      return true;
    } catch (e) {
      return false;
    }
  }

  return function () {
    var Super = _getPrototypeOf(Derived),
        result;

    if (isNativeReflectConstruct()) {
      var NewTarget = _getPrototypeOf(this).constructor;

      result = Reflect.construct(Super, arguments, NewTarget);
    } else {
      result = Super.apply(this, arguments);
    }

    return _possibleConstructorReturn(this, result);
  };
}

import React, { Children, cloneElement, Component } from 'react';
import PropTypes from 'prop-types';
import noop from 'lodash/noop';
import classnames from 'classnames';
import KeyCode from './KeyCode';
import TabPane from './TabPane';
import { generateKey, getDataAttr } from './utils';

function getDefaultActiveKey(props) {
  var activeKey;
  Children.forEach(props.children, function (child, index) {
    if (child && !activeKey && !child.props.disabled) {
      activeKey = generateKey(child.key, index);
    }
  });
  return activeKey;
}

function activeKeyIsValid(props, key) {
  var keys = Children.map(props.children, function (child, index) {
    return child && generateKey(child.key, index);
  });
  return keys.indexOf(key) >= 0;
}

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

  var _super = _createSuper(Tabs);

  function Tabs(props) {
    var _this;

    _classCallCheck(this, Tabs);

    _this = _super.call(this, props);

    _defineProperty(_assertThisInitialized(_this), "onTabClick", function (activeKey) {
      if (_this.tabBar.props.onTabClick) {
        _this.tabBar.props.onTabClick(activeKey);
      }

      _this.setActiveKey(activeKey);
    });

    _defineProperty(_assertThisInitialized(_this), "onNavKeyDown", function (e) {
      var eventKeyCode = e.keyCode;

      if (eventKeyCode === KeyCode.RIGHT || eventKeyCode === KeyCode.DOWN) {
        e.preventDefault();

        var nextKey = _this.getNextActiveKey(true);

        _this.onTabClick(nextKey);
      } else if (eventKeyCode === KeyCode.LEFT || eventKeyCode === KeyCode.UP) {
        e.preventDefault();

        var previousKey = _this.getNextActiveKey(false);

        _this.onTabClick(previousKey);
      }
    });

    _defineProperty(_assertThisInitialized(_this), "setActiveKey", function (activeKey) {
      if (_this.state.activeKey !== activeKey) {
        if (!('activeKey' in _this.props)) {
          _this.setState({
            activeKey: activeKey
          });
        }

        _this.props.onChange(activeKey);
      }
    });

    _defineProperty(_assertThisInitialized(_this), "getNextActiveKey", function (next) {
      var activeKey = _this.state.activeKey;
      var children = [];
      Children.forEach(_this.props.children, function (c) {
        if (c && !c.props.disabled) {
          if (next) {
            children.push(c);
          } else {
            children.unshift(c);
          }
        }
      });
      var length = children.length;
      var ret = length && generateKey(children[0].key, 0);
      children.forEach(function (child, i) {
        if (generateKey(child.key, i) === activeKey) {
          if (i === length - 1) {
            ret = generateKey(children[0].key, 0);
          } else {
            ret = generateKey(children[i + 1].key, i + 1);
          }
        }
      });
      return ret;
    });

    var _activeKey;

    if ('activeKey' in props) {
      _activeKey = props.activeKey;
    } else if ('defaultActiveKey' in props) {
      _activeKey = props.defaultActiveKey;
    } else {
      _activeKey = getDefaultActiveKey(props);
    }

    _this.state = {
      activeKey: _activeKey
    };
    return _this;
  }

  _createClass(Tabs, [{
    key: "componentWillReceiveProps",
    value: function componentWillReceiveProps(nextProps) {
      if ('activeKey' in nextProps) {
        this.setState({
          activeKey: nextProps.activeKey
        });
      } else if (!activeKeyIsValid(nextProps, this.state.activeKey)) {
        this.setState({
          activeKey: getDefaultActiveKey(nextProps)
        });
      }
    }
  }, {
    key: "render",
    value: function render() {
      var _classnames;

      var props = this.props;

      var prefixCls = props.prefixCls,
          tabBarPosition = props.tabBarPosition,
          className = props.className,
          renderTabContent = props.renderTabContent,
          renderTabBar = props.renderTabBar,
          destroyInactiveTabPane = props.destroyInactiveTabPane,
          keyboard = props.keyboard,
          restProps = _objectWithoutProperties(props, ["prefixCls", "tabBarPosition", "className", "renderTabContent", "renderTabBar", "destroyInactiveTabPane", "keyboard"]);

      var cls = classnames((_classnames = {}, _defineProperty(_classnames, prefixCls, 1), _defineProperty(_classnames, "".concat(prefixCls, "-").concat(tabBarPosition), 1), _defineProperty(_classnames, className, !!className), _classnames));
      var onKeyDown = keyboard === false ? noop : this.onNavKeyDown;
      this.tabBar = renderTabBar();
      var contents = [cloneElement(this.tabBar, {
        prefixCls: prefixCls,
        key: 'tabBar',
        onKeyDown: onKeyDown,
        tabBarPosition: tabBarPosition,
        onTabClick: this.onTabClick,
        panels: props.children,
        activeKey: this.state.activeKey
      }), cloneElement(renderTabContent(), {
        prefixCls: prefixCls,
        tabBarPosition: tabBarPosition,
        activeKey: this.state.activeKey,
        destroyInactiveTabPane: destroyInactiveTabPane,
        children: props.children,
        onChange: this.setActiveKey,
        key: 'tabContent'
      })];

      if (tabBarPosition === 'bottom') {
        contents.reverse();
      }

      return React.createElement("div", _extends({
        className: cls,
        style: props.style
      }, getDataAttr(restProps)), contents);
    }
  }]);

  return Tabs;
}(Component);

_defineProperty(Tabs, "propTypes", {
  destroyInactiveTabPane: PropTypes.bool,
  renderTabBar: PropTypes.func.isRequired,
  renderTabContent: PropTypes.func.isRequired,
  onChange: PropTypes.func,
  children: PropTypes.any,
  prefixCls: PropTypes.string,
  className: PropTypes.string,
  tabBarPosition: PropTypes.string,
  style: PropTypes.object,
  activeKey: PropTypes.string,
  defaultActiveKey: PropTypes.string,
  keyboard: PropTypes.bool
});

_defineProperty(Tabs, "defaultProps", {
  prefixCls: 'rc-tabs',
  destroyInactiveTabPane: false,
  onChange: noop,
  keyboard: true,
  tabBarPosition: 'top',
  style: {}
});

_defineProperty(Tabs, "TabPane", TabPane);

export { Tabs as default };
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