Scripts/OtherJs/eCharts/echarts-2.2.1/src/data/Graph.js

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

/**
 * Graph data structure
 * 
 * @module echarts/data/Graph
 * @author Yi Shen(https://www.github.com/pissang)
 */
define(function(require) {

    var util = require('zrender/tool/util');

    'use strict';

    /**
     * @alias module:echarts/data/Graph
     * @constructor
     * @param {boolean} directed
     */
    var Graph = function(directed) {
        /**
         * 是否是有向图
         * @type {boolean}
         * @private
         */
        this._directed = directed || false;

        /**
         * @type {Array}
         */
        this.nodes = [];
        this.edges = [];

        this._nodesMap = {};
        this._edgesMap = {};
    };

    /**
     * 是否是有向图
     * @return {boolean}
     */
    Graph.prototype.isDirected = function () {
        return this._directed;
    };

    /**
     * 添加一个新的节点
     * @param {string} id 节点名称
     * @param {*} [data] 存储的数据
     */
    Graph.prototype.addNode = function (id, data) {
        if (this._nodesMap[id]) {
            return this._nodesMap[id];
        }

        var node = new Graph.Node(id, data);

        this.nodes.push(node);

        this._nodesMap[id] = node;
        return node;
    };