wui-bigdata/dist-modules/StackDiagram.js

Big data visualization library for WUI framework.

'use strict';

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

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 _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _d = require('d3');

var _d2 = _interopRequireDefault(_d);

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 StackDiagram = function (_Component) {
  _inherits(StackDiagram, _Component);

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

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

  _createClass(StackDiagram, [{
    key: 'render',
    value: function render() {
      var dataset = [{
        name: 'PC',
        sales: [{ year: 2005, profit: 3000 }, { year: 2006, profit: 1300 }, { year: 2007, profit: 3700 }, { year: 2008, profit: 4900 }, { year: 2009, profit: 700 }]
      }, {
        name: 'SmartPhone',
        sales: [{ year: 2005, profit: 2000 }, { year: 2006, profit: 4000 }, { year: 2007, profit: 1810 }, { year: 2008, profit: 6540 }, { year: 2009, profit: 2820 }]
      }, {
        name: 'Software',
        sales: [{ year: 2005, profit: 1100 }, { year: 2006, profit: 1700 }, { year: 2007, profit: 1680 }, { year: 2008, profit: 4000 }, { year: 2009, profit: 4900 }]
      }];
      var width = 600;
      var height = 600;
      var stack = _d2.default.layout.stack().values(function (d) {
        return d.sales;
      }).x(function (d) {
        return d.year;
      }).y(function (d) {
        return d.profit;
      });
      var data = stack(dataset);
      var padding = { top: 30, right: 100, bottom: 30, left: 50 };
      var xRangeWidth = width - padding.left - padding.right;
      var xScale = _d2.default.scale.ordinal().domain(data[0].sales.map(function (d) {
        return d.year;
      })).rangeBands([0, xRangeWidth], 0.3);
      var maxProfit = _d2.default.max(data[data.length - 1].sales, function (d) {
        return d.y0 + d.y;
      });
      var yRangeWidth = height - padding.top - padding.bottom;
      var yScale = _d2.default.scale.linear().domain([0, maxProfit]).range([0, yRangeWidth]);
      var color = _d2.default.scale.category10();

      var labHeight = 50;
      var labRadius = 10;

      var area = _d2.default.svg.area().x(function (d) {
        return xScale(d.year) + xScale.rangeBand() / 2;
      }).y0(function (d) {
        return yRangeWidth - yScale(d.y0);
      }).y1(function (d) {
        return yRangeWidth - yScale(d.y0 + d.y);
      }).interpolate('basis');

      if (this.props.shape === 'rect') {
        return _react2.default.createElement(
          'svg',
          { width: width, height: height },
          data.map(function (d, index) {
            return _react2.default.createElement(
              'g',
              { key: index,
                fill: color(index) },
              d.sales.map(function (d, i) {
                return _react2.default.createElement('rect', { key: i,
                  x: xScale(d.year),
                  y: yRangeWidth - yScale(d.y0 + d.y),
                  width: xScale.rangeBand(),
                  height: yScale(d.y),
                  transform: 'translate(' + padding.left + ', ' + padding.top + ')' });
              }),
              _react2.default.createElement('circle', { cx: width - padding.right * 0.98,
                cy: padding.top * 2 + labHeight * index,
                r: labRadius }),
              _react2.default.createElement(
                'text',
                { x: width - padding.right * 0.8,
                  y: padding.top * 2 + labHeight * index,
                  dy: labRadius / 2 },
                d.name
              )
            );
          })
        );
      } else {
        return _react2.default.createElement(
          'svg',
          { width: width, height: height },
          data.map(function (d, index) {
            return _react2.default.createElement(
              'g',
              { key: index,
                fill: color(index) },
              _react2.default.createElement('path', { d: area(d.sales) }),
              _react2.default.createElement('circle', { cx: width - padding.right * 0.98,
                cy: padding.top * 2 + labHeight * index,
                r: labRadius }),
              _react2.default.createElement(
                'text',
                { x: width - padding.right * 0.8,
                  y: padding.top * 2 + labHeight * index,
                  dy: labRadius / 2 },
                d.name
              )
            );
          })
        );
      }
    }
  }]);

  return StackDiagram;
}(_react.Component);

exports.default = StackDiagram;