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

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

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

  _createClass(TreeDiagram, [{
    key: 'render',
    value: function render() {
      var width = 600;
      var height = 600;
      var tree = _d2.default.layout.tree().size([width, height - 200]).separation(function (a, b) {
        return a.parent == b.parent ? 1 : 2;
      });
      var nodes = tree.nodes(root);
      var links = tree.links(nodes);
      var diagonal = _d2.default.svg.diagonal().projection(function (d) {
        return [d.y, d.x];
      });

      return _react2.default.createElement(
        'svg',
        { width: width, height: height },
        links.map(function (link, index) {
          return _react2.default.createElement('path', { key: index,
            className: 'link',
            d: diagonal(link) });
        }),
        nodes.map(function (node, index) {
          return _react2.default.createElement(
            'g',
            { key: index,
              className: 'node',
              transform: 'translate(' + node.y + ', ' + node.x + ')' },
            _react2.default.createElement('circle', { r: 4.5 }),
            _react2.default.createElement(
              'text',
              { dx: node.children ? -8 : 8,
                dy: 3,
                textAnchor: node.children ? 'end' : 'start' },
              node.name
            )
          );
        })
      );
    }
  }]);

  return TreeDiagram;
}(_react.Component);

exports.default = TreeDiagram;


var root = {
  'name': '中国',
  'children': [{
    'name': '浙江',
    'children': [{ 'name': '杭州' }, { 'name': '宁波' }, { 'name': '温州' }, { 'name': '绍兴' }]
  }, {
    'name': '广西',
    'children': [{
      'name': '桂林',
      'children': [{ 'name': '秀峰区' }, { 'name': '叠彩区' }, { 'name': '象山区' }, { 'name': '七星区' }]
    }, { 'name': '南宁' }, { 'name': '柳州' }, { 'name': '防城港' }]
  }, {
    'name': '黑龙江',
    'children': [{ 'name': '哈尔滨' }, { 'name': '齐齐哈尔' }, { 'name': '牡丹江' }, { 'name': '大庆' }]
  }, {
    'name': '新疆',
    'children': [{ 'name': '乌鲁木齐' }, { 'name': '克拉玛依' }, { 'name': '吐鲁番' }, { 'name': '哈密' }]
  }]
};