wui-bigdata/dist-modules/Treemap.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 Treemap = function (_Component) {
  _inherits(Treemap, _Component);

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

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

  _createClass(Treemap, [{
    key: 'render',
    value: function render() {
      var width = 600;
      var height = 600;
      var treemap = _d2.default.layout.treemap().size([width, height]).value(function (d) {
        return d.gdp;
      });
      var nodes = treemap.nodes(root);
      var color = _d2.default.scale.category20();

      return _react2.default.createElement(
        'svg',
        { width: width, height: height },
        nodes.filter(function (d) {
          return !d.children;
        }).map(function (d, i) {
          return _react2.default.createElement(
            'g',
            { key: i },
            _react2.default.createElement('rect', { className: 'nodeRect',
              x: d.x,
              y: d.y,
              width: d.dx,
              height: d.dy,
              fill: color(d.parent.name) }),
            _react2.default.createElement(
              'text',
              { className: 'nodeName',
                x: d.x,
                y: d.y,
                dx: '0.5em',
                dy: '1.5em' },
              d.name + ' ' + d.gdp
            )
          );
        })
      );
    }
  }]);

  return Treemap;
}(_react.Component);

exports.default = Treemap;


var root = {
  'name': '中国',
  'children': [{
    'name': '浙江',
    'children': [{ 'name': '杭州', 'gdp': 8343 }, { 'name': '宁波', 'gdp': 7128 }, { 'name': '温州', 'gdp': 4003 }, { 'name': '绍兴', 'gdp': 3620 }, { 'name': '湖州', 'gdp': 1803 }, { 'name': '嘉兴', 'gdp': 3147 }, { 'name': '金华', 'gdp': 2958 }, { 'name': '衢州', 'gdp': 1056 }, { 'name': '舟山', 'gdp': 1021 }, { 'name': '台州', 'gdp': 3153 }, { 'name': '丽水', 'gdp': 983 }]
  }, {
    'name': '广西',
    'children': [{ 'name': '南宁', 'gdp': 3148 }, { 'name': '柳州', 'gdp': 2016 }, { 'name': '桂林', 'gdp': 1657 }, { 'name': '梧州', 'gdp': 991 }, { 'name': '北海', 'gdp': 734 }, { 'name': '防城港', 'gdp': 525 }, { 'name': '钦州', 'gdp': 734 }, { 'name': '贵港', 'gdp': 742 }, { 'name': '玉林', 'gdp': 1300 }, { 'name': '百色', 'gdp': 656 }, { 'name': '贺州', 'gdp': 423 }, { 'name': '河池', 'gdp': 497 }, { 'name': '来宾', 'gdp': 519 }, { 'name': '崇左', 'gdp': 649 }]
  }, {
    'name': '江苏',
    'children': [{ 'name': '南京', 'gdp': 8820 }, { 'name': '无锡', 'gdp': 8205 }, { 'name': '徐州', 'gdp': 4964 }, { 'name': '常州', 'gdp': 4360 }, { 'name': '苏州', 'gdp': 13500 }, { 'name': '南通', 'gdp': 5038 }, { 'name': '连云港', 'gdp': 1785 }, { 'name': '淮安', 'gdp': 2455 }, { 'name': '盐城', 'gdp': 3836 }, { 'name': '扬州', 'gdp': 3697 }, { 'name': '镇江', 'gdp': 2950 }, { 'name': '泰州', 'gdp': 3006 }, { 'name': '宿迁', 'gdp': 1930 }]
  }]
};