recharts/es6/polar/RadialBar.js

React charts

'use strict';

var _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; };

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; }; }();

var _class, _class2, _temp; /**
                             * @fileOverview Render a group of radial bar
                             */

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _classnames = require('classnames');

var _classnames2 = _interopRequireDefault(_classnames);

var _Sector = require('../shape/Sector');

var _Sector2 = _interopRequireDefault(_Sector);

var _Layer = require('../container/Layer');

var _Layer2 = _interopRequireDefault(_Layer);

var _LodashUtils = require('../util/LodashUtils');

var _LodashUtils2 = _interopRequireDefault(_LodashUtils);

var _DOMUtils = require('../util/DOMUtils');

var _DOMUtils2 = _interopRequireDefault(_DOMUtils);

var _ReactUtils = require('../util/ReactUtils');

var _ReactUtils2 = _interopRequireDefault(_ReactUtils);

var _pureRenderDecorator = require('pure-render-decorator');

var _pureRenderDecorator2 = _interopRequireDefault(_pureRenderDecorator);

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

function _objectWithoutProperties(obj, keys) { var target = {}; for (var i in obj) { if (keys.indexOf(i) >= 0) continue; if (!Object.prototype.hasOwnProperty.call(obj, i)) continue; target[i] = obj[i]; } return target; }

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; }

var RADIAN = Math.PI / 180;

var RadialBar = (0, _pureRenderDecorator2.default)(_class = (_temp = _class2 = function (_Component) {
  _inherits(RadialBar, _Component);

  function RadialBar() {
    _classCallCheck(this, RadialBar);

    return _possibleConstructorReturn(this, Object.getPrototypeOf(RadialBar).apply(this, arguments));
  }

  _createClass(RadialBar, [{
    key: 'getDeltaAngle',
    value: function getDeltaAngle() {
      var _props = this.props;
      var startAngle = _props.startAngle;
      var endAngle = _props.endAngle;

      var sign = Math.sign(endAngle - startAngle);
      var deltaAngle = Math.min(Math.abs(endAngle - startAngle), 360);

      return sign * deltaAngle;
    }
  }, {
    key: 'getSectors',
    value: function getSectors() {
      var _props2 = this.props;
      var cx = _props2.cx;
      var cy = _props2.cy;
      var startAngle = _props2.startAngle;
      var endAngle = _props2.endAngle;
      var data = _props2.data;
      var minAngle = _props2.minAngle;
      var maxAngle = _props2.maxAngle;

      var maxValue = Math.max.apply(null, data.map(function (entry) {
        return Math.abs(entry.value);
      }));
      var absMinAngle = Math.abs(minAngle);
      var absMaxAngle = Math.abs(maxAngle);
      var deltaAngle = this.getDeltaAngle();
      var deltaSign = Math.sign(deltaAngle);
      var gapAngle = Math.min(Math.abs(absMaxAngle - absMinAngle), 360);

      var sectors = data.map(function (entry) {
        var value = entry.value;
        var _endAngle = maxValue === 0 ? startAngle : startAngle + Math.sign(value) * deltaSign * (absMinAngle + gapAngle * Math.abs(entry.value) / maxValue);

        return _extends({}, entry, {
          cx: cx, cy: cy,
          startAngle: startAngle,
          endAngle: _endAngle
        });
      });

      return sectors;
    }
  }, {
    key: 'getLabelPathArc',
    value: function getLabelPathArc(data, labelContent, style) {
      var label = this.props.label;

      var labelProps = _react2.default.isValidElement(label) ? label.props : label;
      var offsetRadius = labelProps.offsetRadius || 2;
      var orientation = labelProps.orientation || 'inner';
      var cx = data.cx;
      var cy = data.cy;
      var innerRadius = data.innerRadius;
      var outerRadius = data.outerRadius;
      var startAngle = data.startAngle;
      var endAngle = data.endAngle;

      var clockWise = this.getDeltaAngle() < 0;
      var radius = clockWise ? innerRadius + offsetRadius : Math.max(outerRadius - offsetRadius, 0);

      if (radius <= 0) {
        return '';
      }

      var labelSize = _DOMUtils2.default.getStringSize(labelContent, style);
      var deltaAngle = labelSize.width / (radius * RADIAN);
      var _startAngle = undefined;
      var _endAngle = undefined;

      if (clockWise) {
        _startAngle = orientation === 'inner' ? Math.min(endAngle + deltaAngle, startAngle) : endAngle;
        _endAngle = _startAngle - deltaAngle;
      } else {
        _startAngle = orientation === 'inner' ? Math.max(endAngle - deltaAngle, startAngle) : endAngle;
        _endAngle = _startAngle + deltaAngle;
      }

      return 'M' + (cx + radius * Math.cos(-RADIAN * _startAngle)) + '\n            ' + (cy + radius * Math.sin(-RADIAN * _startAngle)) + '\n            A' + radius + ',' + radius + ',0,\n            ' + (deltaAngle >= 180 ? 1 : 0) + ',\n            ' + (clockWise ? 1 : 0) + ',\n            ' + (cx + radius * Math.cos(-RADIAN * _endAngle)) + ',\n            ' + (cy + radius * Math.sin(-RADIAN * _endAngle));
    }
  }, {
    key: 'renderSectors',
    value: function renderSectors(sectors) {
      var _props3 = this.props;
      var className = _props3.className;
      var shape = _props3.shape;
      var data = _props3.data;

      var baseProps = _ReactUtils2.default.getPresentationAttributes(this.props);
      var isShapeElement = _react2.default.isValidElement(shape);

      return sectors.map(function (entry, i) {
        var value = entry.value;

        var rest = _objectWithoutProperties(entry, ['value']);

        var props = _extends({}, baseProps, rest, {
          key: 'sector-' + i,
          className: 'recharts-radial-bar-sector'
        });

        return isShapeElement ? _react2.default.cloneElement(shape, props) : _react2.default.createElement(_Sector2.default, props);
      });
    }
  }, {
    key: 'renderBackground',
    value: function renderBackground(sectors) {
      var _props4 = this.props;
      var startAngle = _props4.startAngle;
      var endAngle = _props4.endAngle;
      var background = _props4.background;

      var isBackgroundElement = _react2.default.isValidElement(background);
      var backgroundProps = _ReactUtils2.default.getPresentationAttributes(background);

      return sectors.map(function (entry, i) {
        var value = entry.value;

        var rest = _objectWithoutProperties(entry, ['value']);

        var props = _extends({}, rest, {
          fill: '#eee'
        }, backgroundProps, {
          startAngle: startAngle,
          endAngle: endAngle,
          index: i,
          key: 'sector-' + i,
          className: 'recharts-radial-bar-background-sector'
        });

        return isBackgroundElement ? _react2.default.cloneElement(background, props) : _react2.default.createElement(_Sector2.default, props);
      });
    }
  }, {
    key: 'renderLabels',
    value: function renderLabels(sectors) {
      var _this2 = this;

      var label = this.props.label;

      var isElement = _react2.default.isValidElement(label);
      var formatter = isElement ? label.props.formatter : label.formatter;
      var hasFormatter = _LodashUtils2.default.isFunction(formatter);

      return sectors.map(function (entry, i) {
        var content = hasFormatter ? formatter(entry.value) : entry.value;
        var id = _LodashUtils2.default.getUniqueId('recharts-defs-');
        var style = _ReactUtils2.default.getPresentationAttributes(label) || { fontSize: 10, fill: '#000' };
        var path = _this2.getLabelPathArc(entry, content, style);

        return _react2.default.createElement(
          'text',
          _extends({}, style, { key: 'label-' + i, className: 'recharts-radial-bar-label' }),
          _react2.default.createElement(
            'defs',
            null,
            _react2.default.createElement('path', { id: id, d: path })
          ),
          _react2.default.createElement(
            'textPath',
            { xlinkHref: '#' + id },
            content
          )
        );
      });
    }
  }, {
    key: 'render',
    value: function render() {
      var _props5 = this.props;
      var data = _props5.data;
      var className = _props5.className;
      var background = _props5.background;
      var label = _props5.label;

      if (!data || !data.length) {
        return null;
      }

      var sectors = this.getSectors();
      var layerClass = (0, _classnames2.default)('recharts-area', className);

      return _react2.default.createElement(
        _Layer2.default,
        { className: layerClass },
        background && _react2.default.createElement(
          _Layer2.default,
          { className: 'recharts-radial-bar-background' },
          this.renderBackground(sectors)
        ),
        _react2.default.createElement(
          _Layer2.default,
          { className: 'recharts-radial-bar-sectors' },
          this.renderSectors(sectors)
        ),
        label && _react2.default.createElement(
          _Layer2.default,
          { className: 'recharts-radial-bar-labels' },
          this.renderLabels(sectors)
        )
      );
    }
  }]);

  return RadialBar;
}(_react.Component), _class2.displayName = 'RadialBar', _class2.propTypes = _extends({}, _ReactUtils.PRESENTATION_ATTRIBUTES, {
  className: _react.PropTypes.string,
  shape: _react.PropTypes.object,

  cx: _react.PropTypes.number,
  cy: _react.PropTypes.number,
  startAngle: _react.PropTypes.number,
  endAngle: _react.PropTypes.number,
  maxAngle: _react.PropTypes.number,
  minAngle: _react.PropTypes.number,
  data: _react.PropTypes.arrayOf(_react.PropTypes.shape({
    cx: _react.PropTypes.number,
    cy: _react.PropTypes.number,
    innerRadius: _react.PropTypes.number,
    outerRadius: _react.PropTypes.number,
    value: _react.PropTypes.value
  })),
  legendType: _react.PropTypes.string,

  label: _react.PropTypes.oneOfType([_react.PropTypes.bool, _react.PropTypes.element, _react.PropTypes.object]),

  background: _react.PropTypes.oneOfType([_react.PropTypes.bool, _react.PropTypes.object, _react.PropTypes.element]),

  onMouseEnter: _react.PropTypes.func,
  onMouseLeave: _react.PropTypes.func,
  onClick: _react.PropTypes.func
}), _class2.defaultProps = {
  startAngle: 180,
  endAngle: 0,
  maxAngle: 135,
  minAngle: 0,
  stroke: '#fff',
  fill: '#808080',
  legendType: 'rect',
  data: [],
  onClick: function onClick() {},
  onMouseEnter: function onMouseEnter() {},
  onMouseLeave: function onMouseLeave() {}
}, _temp)) || _class;

exports.default = RadialBar;