react-color/es/components/common/Hue.js

A Collection of Color Pickers from Sketch, Photoshop, Chrome & more

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; }; }();

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; }

import React, { Component, PureComponent } from 'react';
import reactCSS from 'reactcss';
import * as hue from '../../helpers/hue';

export var Hue = function (_ref) {
  _inherits(Hue, _ref);

  function Hue() {
    var _ref2;

    var _temp, _this, _ret;

    _classCallCheck(this, Hue);

    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    return _ret = (_temp = (_this = _possibleConstructorReturn(this, (_ref2 = Hue.__proto__ || Object.getPrototypeOf(Hue)).call.apply(_ref2, [this].concat(args))), _this), _this.handleChange = function (e) {
      var change = hue.calculateChange(e, _this.props.direction, _this.props.hsl, _this.container);
      change && typeof _this.props.onChange === 'function' && _this.props.onChange(change, e);
    }, _this.handleMouseDown = function (e) {
      _this.handleChange(e);
      window.addEventListener('mousemove', _this.handleChange);
      window.addEventListener('mouseup', _this.handleMouseUp);
    }, _this.handleMouseUp = function () {
      _this.unbindEventListeners();
    }, _temp), _possibleConstructorReturn(_this, _ret);
  }

  _createClass(Hue, [{
    key: 'componentWillUnmount',
    value: function componentWillUnmount() {
      this.unbindEventListeners();
    }
  }, {
    key: 'unbindEventListeners',
    value: function unbindEventListeners() {
      window.removeEventListener('mousemove', this.handleChange);
      window.removeEventListener('mouseup', this.handleMouseUp);
    }
  }, {
    key: 'render',
    value: function render() {
      var _this2 = this;

      var _props$direction = this.props.direction,
          direction = _props$direction === undefined ? 'horizontal' : _props$direction;


      var styles = reactCSS({
        'default': {
          hue: {
            absolute: '0px 0px 0px 0px',
            borderRadius: this.props.radius,
            boxShadow: this.props.shadow
          },
          container: {
            padding: '0 2px',
            position: 'relative',
            height: '100%',
            borderRadius: this.props.radius
          },
          pointer: {
            position: 'absolute',
            left: this.props.hsl.h * 100 / 360 + '%'
          },
          slider: {
            marginTop: '1px',
            width: '4px',
            borderRadius: '1px',
            height: '8px',
            boxShadow: '0 0 2px rgba(0, 0, 0, .6)',
            background: '#fff',
            transform: 'translateX(-2px)'
          }
        },
        'vertical': {
          pointer: {
            left: '0px',
            top: -(this.props.hsl.h * 100 / 360) + 100 + '%'
          }
        }
      }, { vertical: direction === 'vertical' });

      return React.createElement(
        'div',
        { style: styles.hue },
        React.createElement(
          'div',
          {
            className: 'hue-' + direction,
            style: styles.container,
            ref: function ref(container) {
              return _this2.container = container;
            },
            onMouseDown: this.handleMouseDown,
            onTouchMove: this.handleChange,
            onTouchStart: this.handleChange
          },
          React.createElement(
            'style',
            null,
            '\n            .hue-horizontal {\n              background: linear-gradient(to right, #f00 0%, #ff0 17%, #0f0\n                33%, #0ff 50%, #00f 67%, #f0f 83%, #f00 100%);\n              background: -webkit-linear-gradient(to right, #f00 0%, #ff0\n                17%, #0f0 33%, #0ff 50%, #00f 67%, #f0f 83%, #f00 100%);\n            }\n\n            .hue-vertical {\n              background: linear-gradient(to top, #f00 0%, #ff0 17%, #0f0 33%,\n                #0ff 50%, #00f 67%, #f0f 83%, #f00 100%);\n              background: -webkit-linear-gradient(to top, #f00 0%, #ff0 17%,\n                #0f0 33%, #0ff 50%, #00f 67%, #f0f 83%, #f00 100%);\n            }\n          '
          ),
          React.createElement(
            'div',
            { style: styles.pointer },
            this.props.pointer ? React.createElement(this.props.pointer, this.props) : React.createElement('div', { style: styles.slider })
          )
        )
      );
    }
  }]);

  return Hue;
}(PureComponent || Component);

export default Hue;