choerodon-ui/es/rc-components/slider/Slider.js

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

import _objectSpread from "@babel/runtime/helpers/objectSpread2";
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 _createSuper from "@babel/runtime/helpers/createSuper";
import _defineProperty from "@babel/runtime/helpers/defineProperty";

/* eslint-disable react/prop-types */
import React, { Component } from 'react';
import warning from '../../_util/warning';
import Track from './common/Track';
import createSlider from './common/createSlider';
import * as utils from './utils';

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

  var _super = _createSuper(Slider);

  function Slider(props) {
    var _this;

    _classCallCheck(this, Slider);

    _this = _super.call(this, props);

    _defineProperty(_assertThisInitialized(_this), "onEnd", function () {
      _this.setState({
        dragging: false
      });

      _this.removeDocumentEvents();

      _this.props.onAfterChange(_this.getValue());
    });

    var defaultValue = props.defaultValue !== undefined ? props.defaultValue : props.min;
    var value = props.value !== undefined ? props.value : defaultValue;
    _this.state = {
      value: _this.trimAlignValue(value),
      dragging: false
    };

    if (process.env.NODE_ENV !== 'production') {
      warning(!('minimumTrackStyle' in props), 'minimumTrackStyle will be deprecate, please use trackStyle instead.');
      warning(!('maximumTrackStyle' in props), 'maximumTrackStyle will be deprecate, please use railStyle instead.');
    }

    return _this;
  }

  _createClass(Slider, [{
    key: "componentDidMount",
    value: function componentDidMount() {
      var _this$props = this.props,
          autoFocus = _this$props.autoFocus,
          disabled = _this$props.disabled;

      if (autoFocus && !disabled) {
        this.focus();
      }
    }
  }, {
    key: "componentWillReceiveProps",
    value: function componentWillReceiveProps(nextProps) {
      if (!('value' in nextProps || 'min' in nextProps || 'max' in nextProps)) return;
      var prevValue = this.state.value;
      var value = nextProps.value !== undefined ? nextProps.value : prevValue;
      var nextValue = this.trimAlignValue(value, nextProps);
      if (nextValue === prevValue) return;
      this.setState({
        value: nextValue
      });

      if (utils.isValueOutOfRange(value, nextProps)) {
        this.props.onChange(nextValue);
      }
    }
  }, {
    key: "onChange",
    value: function onChange(state) {
      var props = this.props;
      var isNotControlled = !('value' in props);

      if (isNotControlled) {
        this.setState(state);
      }

      var changedValue = state.value;
      props.onChange(changedValue);
    }
  }, {
    key: "onStart",
    value: function onStart(position) {
      this.setState({
        dragging: true
      });
      var props = this.props;
      var prevValue = this.getValue();
      props.onBeforeChange(prevValue);
      var value = this.calcValueByPos(position);
      this.startValue = value;
      this.startPosition = position;
      if (value === prevValue) return;
      this.prevMovedHandleIndex = 0;
      this.onChange({
        value: value
      });
    }
  }, {
    key: "onMove",
    value: function onMove(e, position) {
      utils.pauseEvent(e);
      var oldValue = this.state.value;
      var value = this.calcValueByPos(position);
      if (value === oldValue) return;
      this.onChange({
        value: value
      });
    }
  }, {
    key: "onKeyboard",
    value: function onKeyboard(e) {
      var valueMutator = utils.getKeyboardValueMutator(e);

      if (valueMutator) {
        utils.pauseEvent(e);
        var state = this.state;
        var oldValue = state.value;
        var mutatedValue = valueMutator(oldValue, this.props);
        var value = this.trimAlignValue(mutatedValue);
        if (value === oldValue) return;
        this.onChange({
          value: value
        });
      }
    }
  }, {
    key: "getValue",
    value: function getValue() {
      return this.state.value;
    }
  }, {
    key: "getLowerBound",
    value: function getLowerBound() {
      return this.props.min;
    }
  }, {
    key: "getUpperBound",
    value: function getUpperBound() {
      return this.state.value;
    }
  }, {
    key: "trimAlignValue",
    value: function trimAlignValue(v) {
      var nextProps = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

      var mergedProps = _objectSpread(_objectSpread({}, this.props), nextProps);

      var val = utils.ensureValueInRange(v, mergedProps);
      return utils.ensureValuePrecision(val, mergedProps);
    }
  }, {
    key: "render",
    value: function render() {
      var _this2 = this;

      var _this$props2 = this.props,
          prefixCls = _this$props2.prefixCls,
          vertical = _this$props2.vertical,
          included = _this$props2.included,
          disabled = _this$props2.disabled,
          minimumTrackStyle = _this$props2.minimumTrackStyle,
          trackStyle = _this$props2.trackStyle,
          handleStyle = _this$props2.handleStyle,
          tabIndex = _this$props2.tabIndex,
          min = _this$props2.min,
          max = _this$props2.max,
          handleGenerator = _this$props2.handle;
      var _this$state = this.state,
          value = _this$state.value,
          dragging = _this$state.dragging;
      var offset = this.calcOffset(value);
      var handle = handleGenerator({
        className: "".concat(prefixCls, "-handle"),
        prefixCls: prefixCls,
        vertical: vertical,
        offset: offset,
        value: value,
        dragging: dragging,
        disabled: disabled,
        min: min,
        max: max,
        index: 0,
        tabIndex: tabIndex,
        style: handleStyle[0] || handleStyle,
        ref: function ref(h) {
          return _this2.saveHandle(0, h);
        }
      });

      var _trackStyle = trackStyle[0] || trackStyle;

      var track = /*#__PURE__*/React.createElement(Track, {
        className: "".concat(prefixCls, "-track"),
        vertical: vertical,
        included: included,
        offset: 0,
        length: offset,
        style: _objectSpread(_objectSpread({}, minimumTrackStyle), _trackStyle)
      });
      return {
        tracks: track,
        handles: handle
      };
    }
  }]);

  return Slider;
}(Component);

export default createSlider(Slider);
//# sourceMappingURL=Slider.js.map