InternshipProject/node_modules/rc-slider/lib/Range.js

"use strict";

var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard");

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

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

var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));

var _objectSpread2 = _interopRequireDefault(require("@babel/runtime/helpers/objectSpread2"));

var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray"));

var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));

var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));

var _inherits2 = _interopRequireDefault(require("@babel/runtime/helpers/inherits"));

var _createSuper2 = _interopRequireDefault(require("@babel/runtime/helpers/createSuper"));

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

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

var _Track = _interopRequireDefault(require("./common/Track"));

var _createSlider = _interopRequireDefault(require("./common/createSlider"));

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

var _trimAlignValue = function trimAlignValue(_ref) {
  var value = _ref.value,
      handle = _ref.handle,
      bounds = _ref.bounds,
      props = _ref.props;
  var allowCross = props.allowCross,
      pushable = props.pushable;
  var thershold = Number(pushable);
  var valInRange = utils.ensureValueInRange(value, props);
  var valNotConflict = valInRange;

  if (!allowCross && handle != null && bounds !== undefined) {
    if (handle > 0 && valInRange <= bounds[handle - 1] + thershold) {
      valNotConflict = bounds[handle - 1] + thershold;
    }

    if (handle < bounds.length - 1 && valInRange >= bounds[handle + 1] - thershold) {
      valNotConflict = bounds[handle + 1] - thershold;
    }
  }

  return utils.ensureValuePrecision(valNotConflict, props);
};

var Range = /*#__PURE__*/function (_React$Component) {
  (0, _inherits2.default)(Range, _React$Component);

  var _super = (0, _createSuper2.default)(Range);

  function Range(props) {
    var _this;

    (0, _classCallCheck2.default)(this, Range);
    _this = _super.call(this, props);

    _this.positionGetValue = function (position) {
      var bounds = _this.getValue();

      var value = _this.calcValueByPos(position);

      var closestBound = _this.getClosestBound(value);

      var index = _this.getBoundNeedMoving(value, closestBound);

      var prevValue = bounds[index];
      if (value === prevValue) return null;
      var nextBounds = (0, _toConsumableArray2.default)(bounds);
      nextBounds[index] = value;
      return nextBounds;
    };

    _this.onEnd = function (force) {
      var handle = _this.state.handle;

      _this.removeDocumentEvents();

      if (!handle) {
        _this.dragTrack = false;
      }

      if (handle !== null || force) {
        _this.props.onAfterChange(_this.getValue());
      }

      _this.setState({
        handle: null
      });
    };

    var count = props.count,
        min = props.min,
        max = props.max;
    var initialValue = Array.apply(void 0, (0, _toConsumableArray2.default)(Array(count + 1))).map(function () {
      return min;
    });
    var defaultValue = 'defaultValue' in props ? props.defaultValue : initialValue;
    var value = props.value !== undefined ? props.value : defaultValue;
    var bounds = value.map(function (v, i) {
      return _trimAlignValue({
        value: v,
        handle: i,
        props: props
      });
    });
    var recent = bounds[0] === max ? 0 : bounds.length - 1;
    _this.state = {
      handle: null,
      recent: recent,
      bounds: bounds
    };
    return _this;
  }
  /**
   * [Legacy] Used for inherit other component.
   * It's a bad code style which should be refactor.
   */

  /* eslint-disable @typescript-eslint/no-unused-vars, class-methods-use-this */


  (0, _createClass2.default)(Range, [{
    key: "calcValueByPos",
    value: function calcValueByPos(value) {
      return 0;
    }
  }, {
    key: "getSliderLength",
    value: function getSliderLength() {
      return 0;
    }
  }, {
    key: "calcOffset",
    value: function calcOffset(value) {
      return 0;
    }
  }, {
    key: "saveHandle",
    value: function saveHandle(index, h) {}
  }, {
    key: "removeDocumentEvents",
    value: function removeDocumentEvents() {}
  }, {
    key: "componentDidUpdate",
    value: function componentDidUpdate(prevProps, prevState) {
      var _this2 = this;

      var _this$props = this.props,
          onChange = _this$props.onChange,
          value = _this$props.value,
          min = _this$props.min,
          max = _this$props.max;

      if (!('min' in this.props || 'max' in this.props)) {
        return;
      }

      if (min === prevProps.min && max === prevProps.max) {
        return;
      }

      var currentValue = value || prevState.bounds;

      if (currentValue.some(function (v) {
        return utils.isValueOutOfRange(v, _this2.props);
      })) {
        var newValues = currentValue.map(function (v) {
          return utils.ensureValueInRange(v, _this2.props);
        });
        onChange(newValues);
      }
    }
  }, {
    key: "onChange",
    value: function onChange(state) {
      var props = this.props;
      var isNotControlled = !('value' in props);

      if (isNotControlled) {
        this.setState(state);
      } else {
        var controlledState = {};
        ['handle', 'recent'].forEach(function (item) {
          if (state[item] !== undefined) {
            controlledState[item] = state[item];
          }
        });

        if (Object.keys(controlledState).length) {
          this.setState(controlledState);
        }
      }

      var data = (0, _objectSpread2.default)((0, _objectSpread2.default)({}, this.state), state);
      var changedValue = data.bounds;
      props.onChange(changedValue);
    }
  }, {
    key: "onStart",
    value: function onStart(position) {
      var props = this.props,
          state = this.state;
      var bounds = this.getValue();
      props.onBeforeChange(bounds);
      var value = this.calcValueByPos(position);
      this.startValue = value;
      this.startPosition = position;
      var closestBound = this.getClosestBound(value);
      this.prevMovedHandleIndex = this.getBoundNeedMoving(value, closestBound);
      this.setState({
        handle: this.prevMovedHandleIndex,
        recent: this.prevMovedHandleIndex
      });
      var prevValue = bounds[this.prevMovedHandleIndex];
      if (value === prevValue) return;
      var nextBounds = (0, _toConsumableArray2.default)(state.bounds);
      nextBounds[this.prevMovedHandleIndex] = value;
      this.onChange({
        bounds: nextBounds
      });
    }
  }, {
    key: "onMove",
    value: function onMove(e, position, dragTrack, startBounds) {
      utils.pauseEvent(e);
      var state = this.state,
          props = this.props;
      var maxValue = props.max || 100;
      var minValue = props.min || 0;

      if (dragTrack) {
        var pos = props.vertical ? -position : position;
        pos = props.reverse ? -pos : pos;
        var max = maxValue - Math.max.apply(Math, (0, _toConsumableArray2.default)(startBounds));
        var min = minValue - Math.min.apply(Math, (0, _toConsumableArray2.default)(startBounds));
        var ratio = Math.min(Math.max(pos / (this.getSliderLength() / (maxValue - minValue)), min), max);
        var nextBounds = startBounds.map(function (v) {
          return Math.floor(Math.max(Math.min(v + ratio, maxValue), minValue));
        });

        if (state.bounds.map(function (c, i) {
          return c === nextBounds[i];
        }).some(function (c) {
          return !c;
        })) {
          this.onChange({
            bounds: nextBounds
          });
        }

        return;
      }

      var value = this.calcValueByPos(position);
      var oldValue = state.bounds[state.handle];
      if (value === oldValue) return;
      this.moveTo(value);
    }
  }, {
    key: "onKeyboard",
    value: function onKeyboard(e) {
      var _this$props2 = this.props,
          reverse = _this$props2.reverse,
          vertical = _this$props2.vertical;
      var valueMutator = utils.getKeyboardValueMutator(e, vertical, reverse);

      if (valueMutator) {
        utils.pauseEvent(e);
        var state = this.state,
            props = this.props;
        var bounds = state.bounds,
            handle = state.handle;
        var oldValue = bounds[handle === null ? state.recent : handle];
        var mutatedValue = valueMutator(oldValue, props);

        var value = _trimAlignValue({
          value: mutatedValue,
          handle: handle,
          bounds: state.bounds,
          props: props
        });

        if (value === oldValue) return;
        var isFromKeyboardEvent = true;
        this.moveTo(value, isFromKeyboardEvent);
      }
    }
  }, {
    key: "getValue",
    value: function getValue() {
      return this.state.bounds;
    }
  }, {
    key: "getClosestBound",
    value: function getClosestBound(value) {
      var bounds = this.state.bounds;
      var closestBound = 0;

      for (var i = 1; i < bounds.length - 1; i += 1) {
        if (value >= bounds[i]) {
          closestBound = i;
        }
      }

      if (Math.abs(bounds[closestBound + 1] - value) < Math.abs(bounds[closestBound] - value)) {
        closestBound += 1;
      }

      return closestBound;
    }
  }, {
    key: "getBoundNeedMoving",
    value: function getBoundNeedMoving(value, closestBound) {
      var _this$state = this.state,
          bounds = _this$state.bounds,
          recent = _this$state.recent;
      var boundNeedMoving = closestBound;
      var isAtTheSamePoint = bounds[closestBound + 1] === bounds[closestBound];

      if (isAtTheSamePoint && bounds[recent] === bounds[closestBound]) {
        boundNeedMoving = recent;
      }

      if (isAtTheSamePoint && value !== bounds[closestBound + 1]) {
        boundNeedMoving = value < bounds[closestBound + 1] ? closestBound : closestBound + 1;
      }

      return boundNeedMoving;
    }
  }, {
    key: "getLowerBound",
    value: function getLowerBound() {
      return this.state.bounds[0];
    }
  }, {
    key: "getUpperBound",
    value: function getUpperBound() {
      var bounds = this.state.bounds;
      return bounds[bounds.length - 1];
    }
    /**
     * Returns an array of possible slider points, taking into account both
     * `marks` and `step`. The result is cached.
     */

  }, {
    key: "getPoints",
    value: function getPoints() {
      var _this$props3 = this.props,
          marks = _this$props3.marks,
          step = _this$props3.step,
          min = _this$props3.min,
          max = _this$props3.max;
      var cache = this.internalPointsCache;

      if (!cache || cache.marks !== marks || cache.step !== step) {
        var pointsObject = (0, _objectSpread2.default)({}, marks);

        if (step !== null) {
          for (var point = min; point <= max; point += step) {
            pointsObject[point] = point;
          }
        }

        var points = Object.keys(pointsObject).map(parseFloat);
        points.sort(function (a, b) {
          return a - b;
        });
        this.internalPointsCache = {
          marks: marks,
          step: step,
          points: points
        };
      }

      return this.internalPointsCache.points;
    }
  }, {
    key: "moveTo",
    value: function moveTo(value, isFromKeyboardEvent) {
      var _this3 = this;

      var state = this.state,
          props = this.props;
      var nextBounds = (0, _toConsumableArray2.default)(state.bounds);
      var handle = state.handle === null ? state.recent : state.handle;
      nextBounds[handle] = value;
      var nextHandle = handle;

      if (props.pushable !== false) {
        this.pushSurroundingHandles(nextBounds, nextHandle);
      } else if (props.allowCross) {
        nextBounds.sort(function (a, b) {
          return a - b;
        });
        nextHandle = nextBounds.indexOf(value);
      }

      this.onChange({
        recent: nextHandle,
        handle: nextHandle,
        bounds: nextBounds
      });

      if (isFromKeyboardEvent) {
        // known problem: because setState is async,
        // so trigger focus will invoke handler's onEnd and another handler's onStart too early,
        // cause onBeforeChange and onAfterChange receive wrong value.
        // here use setState callback to hack，but not elegant
        this.props.onAfterChange(nextBounds);
        this.setState({}, function () {
          _this3.handlesRefs[nextHandle].focus();
        });
        this.onEnd();
      }
    }
  }, {
    key: "pushSurroundingHandles",
    value: function pushSurroundingHandles(bounds, handle) {
      var value = bounds[handle];
      var pushable = this.props.pushable;
      var threshold = Number(pushable);
      var direction = 0;

      if (bounds[handle + 1] - value < threshold) {
        direction = +1; // push to right
      }

      if (value - bounds[handle - 1] < threshold) {
        direction = -1; // push to left
      }

      if (direction === 0) {
        return;
      }

      var nextHandle = handle + direction;
      var diffToNext = direction * (bounds[nextHandle] - value);

      if (!this.pushHandle(bounds, nextHandle, direction, threshold - diffToNext)) {
        // revert to original value if pushing is impossible
        // eslint-disable-next-line no-param-reassign
        bounds[handle] = bounds[nextHandle] - direction * threshold;
      }
    }
  }, {
    key: "pushHandle",
    value: function pushHandle(bounds, handle, direction, amount) {
      var originalValue = bounds[handle];
      var currentValue = bounds[handle];

      while (direction * (currentValue - originalValue) < amount) {
        if (!this.pushHandleOnePoint(bounds, handle, direction)) {
          // can't push handle enough to create the needed `amount` gap, so we
          // revert its position to the original value
          // eslint-disable-next-line no-param-reassign
          bounds[handle] = originalValue;
          return false;
        }

        currentValue = bounds[handle];
      } // the handle was pushed enough to create the needed `amount` gap


      return true;
    }
  }, {
    key: "pushHandleOnePoint",
    value: function pushHandleOnePoint(bounds, handle, direction) {
      var points = this.getPoints();
      var pointIndex = points.indexOf(bounds[handle]);
      var nextPointIndex = pointIndex + direction;

      if (nextPointIndex >= points.length || nextPointIndex < 0) {
        // reached the minimum or maximum available point, can't push anymore
        return false;
      }

      var nextHandle = handle + direction;
      var nextValue = points[nextPointIndex];
      var pushable = this.props.pushable;
      var threshold = Number(pushable);
      var diffToNext = direction * (bounds[nextHandle] - nextValue);

      if (!this.pushHandle(bounds, nextHandle, direction, threshold - diffToNext)) {
        // couldn't push next handle, so we won't push this one either
        return false;
      } // push the handle
      // eslint-disable-next-line no-param-reassign


      bounds[handle] = nextValue;
      return true;
    }
  }, {
    key: "trimAlignValue",
    value: function trimAlignValue(value) {
      var _this$state2 = this.state,
          handle = _this$state2.handle,
          bounds = _this$state2.bounds;
      return _trimAlignValue({
        value: value,
        handle: handle,
        bounds: bounds,
        props: this.props
      });
    }
  }, {
    key: "render",
    value: function render() {
      var _this4 = this;

      var _this$state3 = this.state,
          handle = _this$state3.handle,
          bounds = _this$state3.bounds;
      var _this$props4 = this.props,
          prefixCls = _this$props4.prefixCls,
          vertical = _this$props4.vertical,
          included = _this$props4.included,
          disabled = _this$props4.disabled,
          min = _this$props4.min,
          max = _this$props4.max,
          reverse = _this$props4.reverse,
          handleGenerator = _this$props4.handle,
          trackStyle = _this$props4.trackStyle,
          handleStyle = _this$props4.handleStyle,
          tabIndex = _this$props4.tabIndex,
          ariaLabelGroupForHandles = _this$props4.ariaLabelGroupForHandles,
          ariaLabelledByGroupForHandles = _this$props4.ariaLabelledByGroupForHandles,
          ariaValueTextFormatterGroupForHandles = _this$props4.ariaValueTextFormatterGroupForHandles;
      var offsets = bounds.map(function (v) {
        return _this4.calcOffset(v);
      });
      var handleClassName = "".concat(prefixCls, "-handle");
      var handles = bounds.map(function (v, i) {
        var _classNames;

        var mergedTabIndex = tabIndex[i] || 0;

        if (disabled || tabIndex[i] === null) {
          mergedTabIndex = null;
        }

        var dragging = handle === i;
        return handleGenerator({
          className: (0, _classnames.default)((_classNames = {}, (0, _defineProperty2.default)(_classNames, handleClassName, true), (0, _defineProperty2.default)(_classNames, "".concat(handleClassName, "-").concat(i + 1), true), (0, _defineProperty2.default)(_classNames, "".concat(handleClassName, "-dragging"), dragging), _classNames)),
          prefixCls: prefixCls,
          vertical: vertical,
          dragging: dragging,
          offset: offsets[i],
          value: v,
          index: i,
          tabIndex: mergedTabIndex,
          min: min,
          max: max,
          reverse: reverse,
          disabled: disabled,
          style: handleStyle[i],
          ref: function ref(h) {
            return _this4.saveHandle(i, h);
          },
          ariaLabel: ariaLabelGroupForHandles[i],
          ariaLabelledBy: ariaLabelledByGroupForHandles[i],
          ariaValueTextFormatter: ariaValueTextFormatterGroupForHandles[i]
        });
      });
      var tracks = bounds.slice(0, -1).map(function (_, index) {
        var _classNames2;

        var i = index + 1;
        var trackClassName = (0, _classnames.default)((_classNames2 = {}, (0, _defineProperty2.default)(_classNames2, "".concat(prefixCls, "-track"), true), (0, _defineProperty2.default)(_classNames2, "".concat(prefixCls, "-track-").concat(i), true), _classNames2));
        return /*#__PURE__*/_react.default.createElement(_Track.default, {
          className: trackClassName,
          vertical: vertical,
          reverse: reverse,
          included: included,
          offset: offsets[i - 1],
          length: offsets[i] - offsets[i - 1],
          style: trackStyle[index],
          key: i
        });
      });
      return {
        tracks: tracks,
        handles: handles
      };
    }
  }], [{
    key: "getDerivedStateFromProps",
    value: function getDerivedStateFromProps(props, state) {
      if (!('value' in props || 'min' in props || 'max' in props)) {
        return null;
      }

      var value = props.value || state.bounds;
      var nextBounds = value.map(function (v, i) {
        return _trimAlignValue({
          value: v,
          handle: i,
          bounds: state.bounds,
          props: props
        });
      });

      if (state.bounds.length === nextBounds.length) {
        if (nextBounds.every(function (v, i) {
          return v === state.bounds[i];
        })) {
          return null;
        }
      } else {
        nextBounds = value.map(function (v, i) {
          return _trimAlignValue({
            value: v,
            handle: i,
            props: props
          });
        });
      }

      return (0, _objectSpread2.default)((0, _objectSpread2.default)({}, state), {}, {
        bounds: nextBounds
      });
    }
  }]);
  return Range;
}(_react.default.Component);
/* eslint-enable */


Range.displayName = 'Range';
Range.defaultProps = {
  count: 1,
  allowCross: true,
  pushable: false,
  draggableTrack: false,
  tabIndex: [],
  ariaLabelGroupForHandles: [],
  ariaLabelledByGroupForHandles: [],
  ariaValueTextFormatterGroupForHandles: []
};

var _default = (0, _createSlider.default)(Range);

exports.default = _default;