recharts/es6/cartesian/Line.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, _temp2; /**
                              * @fileOverview Line
                              */

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

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _classnames = require('classnames');

var _classnames2 = _interopRequireDefault(_classnames);

var _Curve = require('../shape/Curve');

var _Curve2 = _interopRequireDefault(_Curve);

var _Dot = require('../shape/Dot');

var _Dot2 = _interopRequireDefault(_Dot);

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

var _Layer2 = _interopRequireDefault(_Layer);

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

var _pureRenderDecorator2 = _interopRequireDefault(_pureRenderDecorator);

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

var _ReactUtils2 = _interopRequireDefault(_ReactUtils);

var _reactDom = require('react-dom');

var _reactSmooth = require('react-smooth');

var _reactSmooth2 = _interopRequireDefault(_reactSmooth);

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 Line = (0, _pureRenderDecorator2.default)(_class = (_temp2 = _class2 = function (_Component) {
  _inherits(Line, _Component);

  function Line() {
    var _Object$getPrototypeO;

    var _temp, _this, _ret;

    _classCallCheck(this, Line);

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

    return _ret = (_temp = (_this = _possibleConstructorReturn(this, (_Object$getPrototypeO = Object.getPrototypeOf(Line)).call.apply(_Object$getPrototypeO, [this].concat(args))), _this), _this.state = {
      isAnimationFinished: false,
      totalLength: 0
    }, _temp), _possibleConstructorReturn(_this, _ret);
  }

  _createClass(Line, [{
    key: 'componentDidMount',
    value: function componentDidMount() {
      var isAnimationActive = this.props.isAnimationActive;

      if (!isAnimationActive) {
        return;
      }

      var curveDom = (0, _reactDom.findDOMNode)(this.refs.curve);
      var totalLength = curveDom && curveDom.getTotalLength && curveDom.getTotalLength() || 0;

      this.setState({ totalLength: totalLength });
    }
  }, {
    key: 'handleAnimationEnd',
    value: function handleAnimationEnd() {
      this.setState({ isAnimationFinished: true });
    }
  }, {
    key: 'renderDots',
    value: function renderDots() {
      var isAnimationActive = this.props.isAnimationActive;

      if (isAnimationActive && !this.state.isAnimationFinished) {
        return null;
      }

      var _props = this.props;
      var dot = _props.dot;
      var points = _props.points;

      var lineProps = _ReactUtils2.default.getPresentationAttributes(this.props);
      var customDotProps = _ReactUtils2.default.getPresentationAttributes(dot);
      var isDotElement = _react2.default.isValidElement(dot);

      var dots = points.map(function (entry, i) {
        var dotProps = _extends({
          key: 'dot-' + i,
          r: 3
        }, lineProps, customDotProps, {
          cx: entry.x,
          cy: entry.y,
          index: i,
          payload: entry
        });

        return isDotElement ? _react2.default.cloneElement(dot, dotProps) : _react2.default.createElement(_Dot2.default, _extends({ className: 'recharts-line-dot' }, dotProps));
      });

      return _react2.default.createElement(
        _Layer2.default,
        { className: 'recharts-line-dots' },
        dots
      );
    }
  }, {
    key: 'renderLabels',
    value: function renderLabels() {
      var _props2 = this.props;
      var points = _props2.points;
      var label = _props2.label;

      var lineProps = _ReactUtils2.default.getPresentationAttributes(this.props);
      var customLabelProps = _ReactUtils2.default.getPresentationAttributes(label);
      var isLabelElement = _react2.default.isValidElement(label);

      var labels = points.map(function (entry, i) {
        var x = entry.x + entry.width / 2;
        var y = entry.y;
        var labelProps = _extends({
          textAnchor: 'middle'
        }, entry, lineProps, customLabelProps, {
          index: i,
          key: 'label-' + i,
          payload: entry
        });

        return isLabelElement ? _react2.default.cloneElement(label, labelProps) : _react2.default.createElement(
          'text',
          _extends({}, labelProps, { className: 'recharts-line-label' }),
          entry.value
        );
      });

      return _react2.default.createElement(
        _Layer2.default,
        { className: 'recharts-line-labels' },
        labels
      );
    }
  }, {
    key: 'render',
    value: function render() {
      var _props3 = this.props;
      var dot = _props3.dot;
      var points = _props3.points;
      var label = _props3.label;
      var className = _props3.className;
      var isAnimationActive = _props3.isAnimationActive;
      var animationBegin = _props3.animationBegin;
      var animationDuration = _props3.animationDuration;
      var animationEasing = _props3.animationEasing;

      var other = _objectWithoutProperties(_props3, ['dot', 'points', 'label', 'className', 'isAnimationActive', 'animationBegin', 'animationDuration', 'animationEasing']);

      var totalLength = this.state.totalLength;

      if (!points || !points.length) {
        return null;
      }
      var hasSinglePoint = points.length === 1;
      var layerClass = (0, _classnames2.default)('recharts-line', className);

      return _react2.default.createElement(
        _Layer2.default,
        { className: layerClass },
        !hasSinglePoint && _react2.default.createElement(
          _reactSmooth2.default,
          { isActive: isAnimationActive,
            begin: animationBegin,
            canBegin: totalLength > 0,
            from: '0px ' + (totalLength === 0 ? 1 : totalLength) + 'px',
            to: totalLength + 'px 0px',
            easing: animationEasing,
            duration: animationDuration,
            attributeName: 'strokeDasharray',
            onAnimationEnd: this.handleAnimationEnd.bind(this)
          },
          _react2.default.createElement(_Curve2.default, _extends({}, other, {
            className: 'recharts-line-curve',
            fill: 'none',
            onMouseEnter: this.props.onMouseEnter,
            onMouseLeave: this.props.onMouseLeave,
            onClick: this.props.onClick,
            points: points,
            ref: 'curve'
          }))
        ),
        (hasSinglePoint || dot) && this.renderDots(),
        label && this.renderLabels()
      );
    }
  }]);

  return Line;
}(_react.Component), _class2.displayName = 'Line', _class2.propTypes = _extends({}, _ReactUtils.PRESENTATION_ATTRIBUTES, {
  className: _react.PropTypes.string,
  type: _react.PropTypes.oneOf(['linear', 'monotone', 'step', 'stepBefore', 'stepAfter']),
  unit: _react.PropTypes.oneOfType([_react.PropTypes.string, _react.PropTypes.number]),
  name: _react.PropTypes.oneOfType([_react.PropTypes.string, _react.PropTypes.number]),
  dataKey: _react.PropTypes.oneOfType([_react.PropTypes.string, _react.PropTypes.number]).isRequired,
  yAxisId: _react.PropTypes.number,
  xAxisId: _react.PropTypes.number,
  legendType: _react.PropTypes.string,
  formatter: _react.PropTypes.func,

  // whether have dot in line
  dot: _react.PropTypes.oneOfType([_react.PropTypes.object, _react.PropTypes.element, _react.PropTypes.bool]),
  label: _react.PropTypes.oneOfType([_react.PropTypes.object, _react.PropTypes.element, _react.PropTypes.bool]),

  points: _react.PropTypes.arrayOf(_react.PropTypes.shape({
    x: _react.PropTypes.number,
    y: _react.PropTypes.number,
    value: _react.PropTypes.value
  })),
  onMouseEnter: _react.PropTypes.func,
  onMouseLeave: _react.PropTypes.func,
  onClick: _react.PropTypes.func,
  isAnimationActive: _react.PropTypes.bool,
  animationBegin: _react.PropTypes.number,
  animationDuration: _react.PropTypes.number,
  animationEasing: _react.PropTypes.oneOf(['ease', 'ease-in', 'ease-out', 'ease-in-out', 'linear'])
}), _class2.defaultProps = {
  xAxisId: 0,
  yAxisId: 0,
  dot: true,
  legendType: 'line',
  stroke: '#3182bd',
  strokeWidth: 1,
  fill: '#fff',
  points: [],
  onClick: function onClick() {},
  onMouseEnter: function onMouseEnter() {},
  onMouseLeave: function onMouseLeave() {},

  isAnimationActive: true,
  animationBegin: 0,
  animationDuration: 1500,
  animationEasing: 'ease'
}, _temp2)) || _class;

exports.default = Line;