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

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

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

  _createClass(ForceDirectedGraph, [{
    key: 'componentDidMount',
    value: function componentDidMount() {
      var _this2 = this;

      this.lines = _d2.default.select(this.refs['force-svg']).selectAll('.forceLine').data(this.edges);
      this.circles = _d2.default.select(this.refs['force-svg']).selectAll('.forceCircle').data(this.nodes).call(this.force.drag);
      this.texts = _d2.default.select(this.refs['force-svg']).selectAll('.forceText').data(this.nodes);
      this.force.on('tick', function () {
        _this2.lines.attr('x1', function (d) {
          return d.source.x;
        });
        _this2.lines.attr('y1', function (d) {
          return d.source.y;
        });
        _this2.lines.attr('x2', function (d) {
          return d.target.x;
        });
        _this2.lines.attr('y2', function (d) {
          return d.target.y;
        });

        _this2.circles.attr('cx', function (d) {
          return d.x;
        });
        _this2.circles.attr('cy', function (d) {
          return d.y;
        });

        _this2.texts.attr('x', function (d) {
          return d.x;
        });
        _this2.texts.attr('y', function (d) {
          return d.y;
        });
      });
      this.force.start();
    }
  }, {
    key: 'render',
    value: function render() {
      this.nodes = [{ name: '0' }, { name: '1' }, { name: '2' }, { name: '3' }, { name: '4' }, { name: '5' }, { name: '6' }];
      this.edges = [{ source: 0, target: 1 }, { source: 0, target: 2 }, { source: 0, target: 3 }, { source: 1, target: 4 }, { source: 1, target: 5 }, { source: 1, target: 6 }];
      var width = 400;
      var height = 400;
      this.force = _d2.default.layout.force().nodes(this.nodes).links(this.edges).size([width, height]).linkDistance(90).charge(-400);
      var color = _d2.default.scale.category20();

      return _react2.default.createElement(
        'svg',
        { ref: 'force-svg', width: width, height: height },
        this.edges.map(function (edge, index) {
          return _react2.default.createElement('line', { key: index, className: 'forceLine', stroke: 'black' });
        }),
        this.nodes.map(function (node, index) {
          return _react2.default.createElement('circle', { key: index,
            className: 'forceCircle',
            r: 20,
            fill: color(index) });
        }),
        this.nodes.map(function (node, index) {
          return _react2.default.createElement(
            'text',
            { key: index,
              className: 'forceText',
              x: node.x,
              y: node.y,
              dy: '.3em' },
            node.name
          );
        })
      );
    }
  }]);

  return ForceDirectedGraph;
}(_react.Component);

exports.default = ForceDirectedGraph;