rmwc/Tabs/index.js

A thin React wrapper for Material Design (Web) Components

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.TabBarScroller = exports.TabBar = exports.TabIconText = exports.TabIcon = exports.Tab = exports.TabBarScrollerScrollFrame = exports.TabBarScrollerIndicatorInner = exports.TabBarScrollerIndicator = exports.TabBarScrollerRoot = exports.TabBarIndicator = exports.TabBarRoot = undefined;

var _createClass = function () { 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); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _get = function get(object, property, receiver) { if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { return get(parent, property, receiver); } } else if ("value" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };

var _react = require('react');

var React = _interopRequireWildcard(_react);

var _mdc = require('@material/tabs/dist/mdc.tabs');

var _Icon = require('../Icon');

var _Base = require('../Base');

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }

function _objectWithoutProperties(obj, keys) { var target = {}; for (var i in obj) { if (keys.indexOf(i) >= 0) continue; if (!Object.prototype.hasOwnProperty.call(obj, i)) continue; target[i] = obj[i]; } return target; }

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

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

function recursiveMap(children, fn) {
  return React.Children.map(children,
  //$FlowFixMe
  function (child) {
    if (!React.isValidElement(child)) {
      return child;
    }

    if ('children' in child.props) {
      //$FlowFixMe
      child = React.cloneElement(child, {
        children: recursiveMap(child.props.children, fn)
      });
    }

    return fn(child);
  });
}

var TabBarRoot = exports.TabBarRoot = (0, _Base.simpleTag)({
  displayName: 'TabBarRoot',
  tag: 'nav',
  classNames: function classNames(props) {
    return ['mdc-tab-bar', {
      'mdc-tab-bar-scroller__scroll-frame__tabs': props.isTabScroller
    }];
  },
  consumeProps: ['isTabScroller']
});

var TabBarIndicator = exports.TabBarIndicator = (0, _Base.simpleTag)({
  displayName: 'TabBarIndicator',
  tag: 'span',
  classNames: 'mdc-tab-bar__indicator'
});

var TabBarScrollerRoot = exports.TabBarScrollerRoot = (0, _Base.simpleTag)({
  displayName: 'TabBarScrollerRoot',
  tag: 'div',
  classNames: 'mdc-tab-bar-scroller'
});

var TabBarScrollerIndicator = exports.TabBarScrollerIndicator = (0, _Base.simpleTag)({
  displayName: 'TabBarScrollerIndicatorBack',
  tag: 'div',
  classNames: function classNames(props) {
    return ['mdc-tab-bar-scroller__indicator', {
      'mdc-tab-bar-scroller__indicator--back': props.back,
      'mdc-tab-bar-scroller__indicator--forward': props.forward
    }];
  },
  consumeProps: ['forward', 'back']
});

var TabBarScrollerIndicatorInner = exports.TabBarScrollerIndicatorInner = (0, _Base.simpleTag)({
  displayName: 'TabBarScrollerIndicatorInner',
  tag: _Icon.Icon,
  classNames: 'mdc-tab-bar-scroller__indicator__inner'
});

var TabBarScrollerScrollFrame = exports.TabBarScrollerScrollFrame = (0, _Base.simpleTag)({
  displayName: 'TabBarScrollerScrollFrameEl',
  tag: 'div',
  classNames: 'mdc-tab-bar-scroller__scroll-frame'
});

/******************************************************
 * Public
 *******************************************************/

/** A Tab component */
var Tab = exports.Tab = (0, _Base.simpleTag)({
  displayName: 'Tab',
  classNames: 'mdc-tab'
});

/** A Tab icon. This is an instance of the Icon component. */
var TabIcon = exports.TabIcon = (0, _Base.simpleTag)({
  displayName: 'TabIcon',
  tag: _Icon.Icon,
  classNames: 'mdc-tab__icon'
});

/** Text that goes under a Tab icon */
var TabIconText = exports.TabIconText = (0, _Base.simpleTag)({
  displayName: 'TabIconText',
  tag: 'span',
  classNames: 'mdc-tab__icon-text'
});

/** The TabBar component */

var TabBar = exports.TabBar = function (_withFoundation) {
  _inherits(TabBar, _withFoundation);

  function TabBar() {
    _classCallCheck(this, TabBar);

    return _possibleConstructorReturn(this, (TabBar.__proto__ || Object.getPrototypeOf(TabBar)).apply(this, arguments));
  }

  _createClass(TabBar, [{
    key: 'syncWithProps',
    value: function syncWithProps(nextProps) {
      var _this2 = this;

      (0, _Base.syncFoundationProp)(nextProps.activeTabIndex, this.activeTabIndex, function () {
        return _this2.activeTabIndex = nextProps.activeTabIndex !== undefined ? nextProps.activeTabIndex : _this2.activeTabIndex;
      });
    }
  }, {
    key: 'componentDidMount',
    value: function componentDidMount() {
      var _this3 = this;

      _get(TabBar.prototype.__proto__ || Object.getPrototypeOf(TabBar.prototype), 'componentDidMount', this).call(this);

      // This corrects an issue where passing in 0 or no activeTabIndex
      // causes the first tab of the set to not be active
      if (this.props.activeTabIndex === 0 || this.props.activeTabIndex === undefined) {
        window.requestAnimationFrame(function () {
          _this3.foundation_ && _this3.foundation_.adapter_.setTabActiveAtIndex(0, true);
        });
      }
    }
  }, {
    key: 'componentDidUpdate',
    value: function componentDidUpdate(prevProps) {
      // Children changing is a pain...
      // We have to perform a lot of cleanup and sometimes we have to reinit
      var childrenDidChange = prevProps && prevProps.children && this.props && this.props.children && JSON.stringify(React.Children.map(prevProps.children, function (child) {
        return 'key' in child && child.key;
      })) !== JSON.stringify(React.Children.map(this.props.children, function (child) {
        return 'key' in child && child.key;
      }));

      var tabsLengthMismatch = React.Children.toArray(this.props.children).length !== this.tabs.length;

      if (childrenDidChange || tabsLengthMismatch) {
        this.tabs.forEach(function (mdcTab) {
          mdcTab.foundation_ && mdcTab.foundation_.destroy();
        });
        this.tabs_ = this.gatherTabs_(function (el) {
          return new _mdc.MDCTab(el);
        });
        this.layout();
        this.syncWithProps(this.props);
      }
    }
  }, {
    key: 'render',
    value: function render() {
      var _props = this.props,
          children = _props.children,
          activeTabIndex = _props.activeTabIndex,
          apiRef = _props.apiRef,
          rest = _objectWithoutProperties(_props, ['children', 'activeTabIndex', 'apiRef']);

      var root_ = this.foundationRefs.root_;


      return React.createElement(
        TabBarRoot,
        Object.assign({}, rest, { elementRef: root_ }),
        children,
        React.createElement(TabBarIndicator, null)
      );
    }
  }]);

  return TabBar;
}((0, _Base.withFoundation)({
  constructor: _mdc.MDCTabBar,
  adapter: {}
}));

Object.defineProperty(TabBar, 'displayName', {
  enumerable: true,
  writable: true,
  value: 'TabBar'
});

/** The TabBar Scroll container */
var TabBarScroller = exports.TabBarScroller = function (_withFoundation2) {
  _inherits(TabBarScroller, _withFoundation2);

  function TabBarScroller() {
    _classCallCheck(this, TabBarScroller);

    return _possibleConstructorReturn(this, (TabBarScroller.__proto__ || Object.getPrototypeOf(TabBarScroller)).apply(this, arguments));
  }

  _createClass(TabBarScroller, [{
    key: 'initialize',
    value: function initialize() {
      var _this5 = this;

      _get(TabBarScroller.prototype.__proto__ || Object.getPrototypeOf(TabBarScroller.prototype), 'initialize', this).call(this, function () {
        return _this5.tabBarApi;
      });
    }
  }, {
    key: 'componentDidUpdate',
    value: function componentDidUpdate() {
      this.layout();
    }
  }, {
    key: 'render',
    value: function render() {
      var _this6 = this;

      var _props2 = this.props,
          children = _props2.children,
          indicatorForward = _props2.indicatorForward,
          indicatorBack = _props2.indicatorBack,
          rest = _objectWithoutProperties(_props2, ['children', 'indicatorForward', 'indicatorBack']);

      var root_ = this.foundationRefs.root_;

      var newChildren = recursiveMap(children, function (child) {
        if (child.type.displayName && child.type.displayName === 'TabBar') {
          return React.cloneElement(child, Object.assign({}, child.props, {
            isTabScroller: true,
            ref: function ref(tabBarApi) {
              return _this6.tabBarApi = tabBarApi;
            }
          }));
        }

        return child;
      });

      return React.createElement(
        TabBarScrollerRoot,
        Object.assign({}, rest, { elementRef: root_ }),
        React.createElement(
          TabBarScrollerIndicator,
          { back: true },
          React.createElement(TabBarScrollerIndicatorInner, { use: indicatorBack })
        ),
        React.createElement(
          TabBarScrollerScrollFrame,
          null,
          newChildren
        ),
        React.createElement(
          TabBarScrollerIndicator,
          { forward: true },
          React.createElement(TabBarScrollerIndicatorInner, { use: indicatorForward })
        )
      );
    }
  }]);

  return TabBarScroller;
}((0, _Base.withFoundation)({
  constructor: _mdc.MDCTabBarScroller,
  adapter: {}
}));

Object.defineProperty(TabBarScroller, 'displayName', {
  enumerable: true,
  writable: true,
  value: 'TabBarScroller'
});
Object.defineProperty(TabBarScroller, 'defaultProps', {
  enumerable: true,
  writable: true,
  value: {
    indicatorForward: React.createElement(
      'svg',
      {
        style: { fill: 'currentColor' },
        height: '24',
        viewBox: '0 0 24 24',
        width: '24'
      },
      React.createElement('path', { d: 'M10 6L8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z' }),
      React.createElement('path', { d: 'M0 0h24v24H0z', fill: 'none' })
    ),
    indicatorBack: React.createElement(
      'svg',
      {
        style: { fill: 'currentColor' },
        height: '24',
        viewBox: '0 0 24 24',
        width: '24'
      },
      React.createElement('path', { d: 'M15.41 7.41L14 6l-6 6 6 6 1.41-1.41L10.83 12z' }),
      React.createElement('path', { d: 'M0 0h24v24H0z', fill: 'none' })
    )
  }
});