recharts/lib/component/Legend.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 Legend
                             */

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

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

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

var _pureRenderDecorator2 = _interopRequireDefault(_pureRenderDecorator);

var _Surface = require('../container/Surface');

var _Surface2 = _interopRequireDefault(_Surface);

var _DefaultLegendContent = require('./DefaultLegendContent');

var _DefaultLegendContent2 = _interopRequireDefault(_DefaultLegendContent);

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

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 SIZE = 32;

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

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

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

  _createClass(Legend, [{
    key: 'getDefaultPosition',
    value: function getDefaultPosition(style) {
      var _props = this.props;
      var layout = _props.layout;
      var align = _props.align;
      var verticalAlign = _props.verticalAlign;

      var hPos = undefined;
      var vPos = undefined;

      if (!style || (style.left === undefined || style.left === null) && (style.right === undefined || style.right === null)) {
        hPos = align === 'right' ? { right: 0 } : { left: 0 };
      }

      if (!style || (style.top === undefined || style.top === null) && (style.bottom === undefined || style.bottom === null)) {
        if (layout === 'vertical') {
          vPos = verticalAlign === 'bottom' ? { bottom: 0 } : { top: 0 };
        } else {
          vPos = verticalAlign === 'top' ? { top: 0 } : { bottom: 0 };
        }
      }

      return _extends({}, hPos, vPos);
    }
  }, {
    key: 'render',
    value: function render() {
      var _props2 = this.props;
      var content = _props2.content;
      var width = _props2.width;
      var height = _props2.height;
      var layout = _props2.layout;
      var wrapperStyle = _props2.wrapperStyle;

      var outerStyle = _extends({
        position: 'absolute',
        width: width || 'auto',
        height: height || 'auto'
      }, this.getDefaultPosition(wrapperStyle), wrapperStyle);

      return _react2.default.createElement(
        'div',
        { className: 'recharts-legend-wrapper', style: outerStyle },
        _react2.default.isValidElement(content) ? _react2.default.cloneElement(content, this.props) : _react2.default.createElement(_DefaultLegendContent2.default, this.props)
      );
    }
  }], [{
    key: 'getWithHeight',
    value: function getWithHeight(item, chartWidth, chartHeight) {
      var layout = item.props.layout;

      if (layout === 'vertical') {
        return {
          height: item.props.height || chartHeight
        };
      }

      return {
        width: item.props.width || chartWidth
      };
    }
  }]);

  return Legend;
}(_react.Component), _class2.displayName = 'Legend', _class2.propTypes = {
  content: _react.PropTypes.element,
  wrapperStyle: _react.PropTypes.object,
  width: _react.PropTypes.number,
  height: _react.PropTypes.number,
  iconSize: _react.PropTypes.number,
  layout: _react.PropTypes.oneOf(['horizontal', 'vertical']),
  align: _react.PropTypes.oneOf(['center', 'left', 'right']),
  verticalAlign: _react.PropTypes.oneOf(['top', 'bottom', 'middle']),
  payload: _react.PropTypes.arrayOf(_react.PropTypes.shape({
    value: _react.PropTypes.any,
    id: _react.PropTypes.any,
    type: _react.PropTypes.oneOf(['line', 'scatter', 'square', 'rect'])
  }))
}, _class2.defaultProps = {
  iconSize: 14,
  layout: 'horizontal',
  align: 'center',
  verticalAlign: 'bottom',
  payload: []
}, _temp)) || _class;

exports.default = Legend;