"use strict";

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

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

var _classnames3 = _interopRequireDefault(require("classnames"));

var _rcHammerjs = _interopRequireDefault(require("rc-hammerjs"));

var _reactDom = _interopRequireDefault(require("react-dom"));

var _utils = require("./utils");

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

function _typeof(obj) { "@babel/helpers - typeof"; 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 ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

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 _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 _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 _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 SwipeableTabBarNode = /*#__PURE__*/function (_React$Component) {
  _inherits(SwipeableTabBarNode, _React$Component);

  function SwipeableTabBarNode(props) {
    var _this;

    _classCallCheck(this, SwipeableTabBarNode);

    _this = _possibleConstructorReturn(this, _getPrototypeOf(SwipeableTabBarNode).call(this, props));

    _this.onPan = function (e) {
      var _this$cache = _this.cache,
          vertical = _this$cache.vertical,
          totalAvaliableDelta = _this$cache.totalAvaliableDelta,
          totalDelta = _this$cache.totalDelta;
      var speed = _this.props.speed; // calculate touch distance

      var nowDelta = vertical ? e.deltaY : e.deltaX;
      nowDelta *= speed / 10; // calculate distance dom need transform

      var _nextDelta = nowDelta + totalDelta;

      if (_this.isRtl()) {
        // calculate distance from right when direction is right-to-left
        if (_nextDelta <= 0) {
          _nextDelta = 0;
        } else if (_nextDelta >= totalAvaliableDelta) {
          _nextDelta = totalAvaliableDelta;
        }
      } // calculate distance from left when direction is left-to-right
      else if (_nextDelta >= 0) {
          _nextDelta = 0;
        } else if (_nextDelta <= -totalAvaliableDelta) {
          _nextDelta = -totalAvaliableDelta;
        }

      _this.cache.totalDelta = _nextDelta;

      _this.setSwipePosition(); // calculate pagination display


      var _this$checkPagination = _this.checkPaginationByDelta(_this.cache.totalDelta),
          hasPrevPage = _this$checkPagination.hasPrevPage,
          hasNextPage = _this$checkPagination.hasNextPage;

      if (hasPrevPage !== _this.state.hasPrevPage || hasNextPage !== _this.state.hasNextPage) {
        _this.setState({
          hasPrevPage: hasPrevPage,
          hasNextPage: hasNextPage
        });
      }
    };

    var _this$checkPagination2 = _this.checkPaginationByKey(_this.props.activeKey),
        _hasPrevPage = _this$checkPagination2.hasPrevPage,
        _hasNextPage = _this$checkPagination2.hasNextPage;

    _this.state = {
      hasPrevPage: _hasPrevPage,
      hasNextPage: _hasNextPage
    };
    return _this;
  }

  _createClass(SwipeableTabBarNode, [{
    key: "componentDidMount",
    value: function componentDidMount() {
      var swipe = this.props.getRef('swipe');
      var nav = this.props.getRef('nav');
      var activeKey = this.props.activeKey;
      this.swipeNode = _reactDom.default.findDOMNode(swipe); // dom which scroll (9999px)

      this.realNode = _reactDom.default.findDOMNode(nav); // dom which visiable in screen (viewport)

      this.setCache();
      this.setSwipePositionByKey(activeKey);
    }
  }, {
    key: "componentDidUpdate",
    value: function componentDidUpdate(prevProps) {
      this.setCache();

      if (this.props.activeKey && this.props.activeKey !== prevProps.activeKey || this.props.panels.length !== prevProps.panels.length || this.props.pageSize !== prevProps.pageSize) {
        this.setSwipePositionByKey(this.props.activeKey);
      }
    }
  }, {
    key: "setCache",
    value: function setCache() {
      var _this$props = this.props,
          tabBarPosition = _this$props.tabBarPosition,
          pageSize = _this$props.pageSize,
          panels = _this$props.panels;

      var _isVertical = (0, _utils.isVertical)(tabBarPosition);

      var _viewSize = (0, _utils.getStyle)(this.realNode, _isVertical ? 'height' : 'width');

      var _tabWidth = _viewSize / pageSize;

      this.cache = _objectSpread({}, this.cache, {
        vertical: _isVertical,
        totalAvaliableDelta: _tabWidth * panels.length - _viewSize,
        tabWidth: _tabWidth
      });
    }
    /**
     * used for props.activeKey setting, not for swipe callback
     */

  }, {
    key: "getDeltaByKey",
    value: function getDeltaByKey(activeKey) {
      var pageSize = this.props.pageSize;
      var index = this.getIndexByKey(activeKey);
      var centerTabCount = Math.floor(pageSize / 2);
      var tabWidth = this.cache.tabWidth;
      var delta = (index - centerTabCount) * tabWidth; // in rtl direction tabs are ordered from right to left, so delta should be positive in order to
      // push swiped element to righ side (start of view)

      if (!this.isRtl()) {
        delta *= -1;
      }

      return delta;
    }
  }, {
    key: "getIndexByKey",
    value: function getIndexByKey(activeKey) {
      var panels = this.props.panels;
      var length = panels.length;

      for (var i = 0; i < length; i++) {
        if (panels[i].key === activeKey) {
          return i;
        }
      }

      return -1;
    }
  }, {
    key: "setSwipePositionByKey",
    value: function setSwipePositionByKey(activeKey) {
      var _this$checkPagination3 = this.checkPaginationByKey(activeKey),
          hasPrevPage = _this$checkPagination3.hasPrevPage,
          hasNextPage = _this$checkPagination3.hasNextPage;

      var totalAvaliableDelta = this.cache.totalAvaliableDelta;
      this.setState({
        hasPrevPage: hasPrevPage,
        hasNextPage: hasNextPage
      });
      var delta;

      if (!hasPrevPage) {
        // the first page
        delta = 0;
      } else if (!hasNextPage) {
        // the last page
        delta = this.isRtl() ? totalAvaliableDelta : -totalAvaliableDelta;
      } else if (hasNextPage) {
        // the middle page
        delta = this.getDeltaByKey(activeKey);
      }

      this.cache.totalDelta = delta;
      this.setSwipePosition();
    }
  }, {
    key: "setSwipePosition",
    value: function setSwipePosition() {
      var _this$cache2 = this.cache,
          totalDelta = _this$cache2.totalDelta,
          vertical = _this$cache2.vertical;
      (0, _utils.setPxStyle)(this.swipeNode, totalDelta, vertical);
    }
  }, {
    key: "checkPaginationByKey",
    value: function checkPaginationByKey(activeKey) {
      var _this$props2 = this.props,
          panels = _this$props2.panels,
          pageSize = _this$props2.pageSize;
      var index = this.getIndexByKey(activeKey);
      var centerTabCount = Math.floor(pageSize / 2); // the basic rule is to make activeTab be shown in the center of TabBar viewport

      return {
        hasPrevPage: index - centerTabCount > 0,
        hasNextPage: index + centerTabCount < panels.length
      };
    }
  }, {
    key: "checkPaginationByDelta",
    value: function checkPaginationByDelta(delta) {
      var totalAvaliableDelta = this.cache.totalAvaliableDelta;
      return {
        hasPrevPage: delta < 0,
        hasNextPage: -delta < totalAvaliableDelta
      };
    }
  }, {
    key: "isRtl",
    value: function isRtl() {
      return this.props.direction === 'rtl';
    }
  }, {
    key: "render",
    value: function render() {
      var _classnames2;

      var _this$props3 = this.props,
          prefixCls = _this$props3.prefixCls,
          hammerOptions = _this$props3.hammerOptions,
          tabBarPosition = _this$props3.tabBarPosition;
      var _this$state = this.state,
          hasPrevPage = _this$state.hasPrevPage,
          hasNextPage = _this$state.hasNextPage;
      var navClassName = "".concat(prefixCls, "-nav");
      var navClasses = (0, _classnames3.default)(_defineProperty({}, navClassName, true));
      var events = {
        onPan: this.onPan
      };
      return _react.default.createElement("div", {
        className: (0, _classnames3.default)((_classnames2 = {}, _defineProperty(_classnames2, "".concat(prefixCls, "-nav-container"), 1), _defineProperty(_classnames2, "".concat(prefixCls, "-nav-swipe-container"), 1), _defineProperty(_classnames2, "".concat(prefixCls, "-prevpage"), hasPrevPage), _defineProperty(_classnames2, "".concat(prefixCls, "-nextpage"), hasNextPage), _classnames2)),
        key: "container",
        ref: this.props.saveRef('container')
      }, _react.default.createElement("div", {
        className: "".concat(prefixCls, "-nav-wrap"),
        ref: this.props.saveRef('navWrap')
      }, _react.default.createElement(_rcHammerjs.default, _extends({}, events, {
        direction: (0, _utils.isVertical)(tabBarPosition) ? 'DIRECTION_ALL' : 'DIRECTION_HORIZONTAL',
        options: hammerOptions
      }), _react.default.createElement("div", {
        className: "".concat(prefixCls, "-nav-swipe"),
        ref: this.props.saveRef('swipe')
      }, _react.default.createElement("div", {
        className: navClasses,
        ref: this.props.saveRef('nav')
      }, this.props.children)))));
    }
  }]);

  return SwipeableTabBarNode;
}(_react.default.Component);

exports.default = SwipeableTabBarNode;
SwipeableTabBarNode.defaultProps = {
  panels: null,
  tabBarPosition: 'top',
  prefixCls: '',
  children: null,
  hammerOptions: {},
  pageSize: 5,
  // per page show how many tabs
  speed: 7,
  // swipe speed, 1 to 10, more bigger more faster
  saveRef: function saveRef() {},
  getRef: function getRef() {}
};