seedsui-react/es/LotteryWheel/LotteryWheel.js

var _class, _temp;

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 } from 'react';
import PropTypes from 'prop-types';
import Instance from './instance.js';

var LotteryWheel = (_temp = _class = function (_Component) {
  _inherits(LotteryWheel, _Component);

  function LotteryWheel(props) {
    _classCallCheck(this, LotteryWheel);

    return _possibleConstructorReturn(this, _Component.call(this, props));
  }

  LotteryWheel.prototype.componentDidUpdate = function componentDidUpdate(prevProps) {
    if (JSON.stringify(prevProps.data) !== JSON.stringify(this.props.data)) {
      this.instance.params.data = this.props.data;
      this.instance.init();
    }
  };

  LotteryWheel.prototype.componentDidMount = function componentDidMount() {
    if (this.instance) return;
    var instance = new Instance(this.$el, {
      // 间隔
      spacing: this.props.spacing,
      // 数据
      data: this.props.data,
      // 数据默认值
      font: this.props.font,
      fontTop: this.props.fontTop,
      fontFillStyle: this.props.fontFillStyle,

      bgFillStyle: this.props.bgFillStyle,
      bgStrokeStyle: this.props.bgStrokeStyle,
      bgLineWidth: this.props.bgLineWidth,

      iconWidth: this.props.iconWidth,
      iconHeight: this.props.iconHeight,
      iconTop: this.props.iconTop,

      around: this.props.around,
      // 保存
      suffix: this.props.suffix,
      quality: this.props.quality
    });
    this.instance = instance;
  };

  LotteryWheel.prototype.render = function render() {
    var _this2 = this;

    var _props = this.props,
        width = _props.width,
        height = _props.height,
        className = _props.className,
        style = _props.style;

    return React.createElement(
      'canvas',
      { ref: function ref(el) {
          _this2.$el = el;
        }, width: width, height: height, className: className, style: style },
      'Canvas\u62BD\u5956\u8F6E\u76D8'
    );
  };

  return LotteryWheel;
}(Component), _class.defaultProps = {}, _temp);
export { LotteryWheel as default };
LotteryWheel.propTypes = process.env.NODE_ENV !== "production" ? {
  // 数据源
  data: PropTypes.array, // [{text: '', icon: '', font: '', fontTop...同数据默认值}]
  // 数据默认值
  fontFamily: PropTypes.string,
  fontSize: PropTypes.number,
  fontTop: PropTypes.number,
  fontFillStyle: PropTypes.string,

  bgFillStyle: PropTypes.string,
  bgStrokeStyle: PropTypes.string,
  bgLineWidth: PropTypes.number,

  iconWidth: PropTypes.number,
  iconHeight: PropTypes.number,
  iconTop: PropTypes.number,

  around: PropTypes.number, // 转动圈数, 默认转6圈
  // 不能使用style制定宽高,canvas用style的width|height会导致绘图位置不正确
  width: PropTypes.number, // 宽度
  height: PropTypes.number, // 高度
  style: PropTypes.object,
  className: PropTypes.string,
  // 间隔
  spacing: PropTypes.number,
  // 保存
  suffix: PropTypes.string,
  quality: PropTypes.number
} : {};