566 lines
12 KiB
JavaScript
566 lines
12 KiB
JavaScript
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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var _config = require("../config");
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var __DEV__ = _config.__DEV__;
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var zrUtil = require("zrender/lib/core/util");
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var _clazz = require("../util/clazz");
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var enableClassCheck = _clazz.enableClassCheck;
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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// id may be function name of Object, add a prefix to avoid this problem.
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function generateNodeKey(id) {
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return '_EC_' + id;
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}
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/**
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* @alias module:echarts/data/Graph
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* @constructor
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* @param {boolean} directed
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*/
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var Graph = function (directed) {
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/**
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* 是否是有向图
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* @type {boolean}
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* @private
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*/
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this._directed = directed || false;
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/**
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* @type {Array.<module:echarts/data/Graph.Node>}
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* @readOnly
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*/
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this.nodes = [];
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/**
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* @type {Array.<module:echarts/data/Graph.Edge>}
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* @readOnly
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*/
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this.edges = [];
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/**
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* @type {Object.<string, module:echarts/data/Graph.Node>}
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* @private
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*/
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this._nodesMap = {};
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/**
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* @type {Object.<string, module:echarts/data/Graph.Edge>}
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* @private
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*/
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this._edgesMap = {};
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/**
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* @type {module:echarts/data/List}
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* @readOnly
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*/
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this.data;
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/**
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* @type {module:echarts/data/List}
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* @readOnly
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*/
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this.edgeData;
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};
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var graphProto = Graph.prototype;
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/**
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* @type {string}
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*/
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graphProto.type = 'graph';
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/**
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* If is directed graph
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* @return {boolean}
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*/
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graphProto.isDirected = function () {
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return this._directed;
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};
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/**
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* Add a new node
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* @param {string} id
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* @param {number} [dataIndex]
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*/
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graphProto.addNode = function (id, dataIndex) {
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id = id == null ? '' + dataIndex : '' + id;
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var nodesMap = this._nodesMap;
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if (nodesMap[generateNodeKey(id)]) {
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return;
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}
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var node = new Node(id, dataIndex);
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node.hostGraph = this;
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this.nodes.push(node);
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nodesMap[generateNodeKey(id)] = node;
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return node;
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};
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/**
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* Get node by data index
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* @param {number} dataIndex
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* @return {module:echarts/data/Graph~Node}
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*/
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graphProto.getNodeByIndex = function (dataIndex) {
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var rawIdx = this.data.getRawIndex(dataIndex);
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return this.nodes[rawIdx];
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};
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/**
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* Get node by id
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* @param {string} id
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* @return {module:echarts/data/Graph.Node}
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*/
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graphProto.getNodeById = function (id) {
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return this._nodesMap[generateNodeKey(id)];
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};
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/**
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* Add a new edge
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* @param {number|string|module:echarts/data/Graph.Node} n1
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* @param {number|string|module:echarts/data/Graph.Node} n2
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* @param {number} [dataIndex=-1]
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* @return {module:echarts/data/Graph.Edge}
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*/
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graphProto.addEdge = function (n1, n2, dataIndex) {
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var nodesMap = this._nodesMap;
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var edgesMap = this._edgesMap; // PNEDING
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if (typeof n1 === 'number') {
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n1 = this.nodes[n1];
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}
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if (typeof n2 === 'number') {
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n2 = this.nodes[n2];
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}
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if (!Node.isInstance(n1)) {
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n1 = nodesMap[generateNodeKey(n1)];
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}
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if (!Node.isInstance(n2)) {
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n2 = nodesMap[generateNodeKey(n2)];
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}
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if (!n1 || !n2) {
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return;
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}
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var key = n1.id + '-' + n2.id;
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var edge = new Edge(n1, n2, dataIndex);
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edge.hostGraph = this;
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if (this._directed) {
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n1.outEdges.push(edge);
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n2.inEdges.push(edge);
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}
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n1.edges.push(edge);
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if (n1 !== n2) {
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n2.edges.push(edge);
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}
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this.edges.push(edge);
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edgesMap[key] = edge;
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return edge;
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};
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/**
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* Get edge by data index
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* @param {number} dataIndex
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* @return {module:echarts/data/Graph~Node}
|
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*/
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graphProto.getEdgeByIndex = function (dataIndex) {
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var rawIdx = this.edgeData.getRawIndex(dataIndex);
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return this.edges[rawIdx];
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};
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/**
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* Get edge by two linked nodes
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* @param {module:echarts/data/Graph.Node|string} n1
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* @param {module:echarts/data/Graph.Node|string} n2
|
|||
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* @return {module:echarts/data/Graph.Edge}
|
|||
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*/
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graphProto.getEdge = function (n1, n2) {
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if (Node.isInstance(n1)) {
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n1 = n1.id;
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}
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if (Node.isInstance(n2)) {
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n2 = n2.id;
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}
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var edgesMap = this._edgesMap;
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if (this._directed) {
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return edgesMap[n1 + '-' + n2];
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} else {
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return edgesMap[n1 + '-' + n2] || edgesMap[n2 + '-' + n1];
|
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}
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};
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/**
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* Iterate all nodes
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* @param {Function} cb
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* @param {*} [context]
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*/
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graphProto.eachNode = function (cb, context) {
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var nodes = this.nodes;
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var len = nodes.length;
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for (var i = 0; i < len; i++) {
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if (nodes[i].dataIndex >= 0) {
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cb.call(context, nodes[i], i);
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}
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}
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};
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/**
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* Iterate all edges
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* @param {Function} cb
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* @param {*} [context]
|
|||
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*/
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graphProto.eachEdge = function (cb, context) {
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var edges = this.edges;
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var len = edges.length;
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for (var i = 0; i < len; i++) {
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if (edges[i].dataIndex >= 0 && edges[i].node1.dataIndex >= 0 && edges[i].node2.dataIndex >= 0) {
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cb.call(context, edges[i], i);
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}
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}
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|||
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};
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/**
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|||
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* Breadth first traverse
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|||
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* @param {Function} cb
|
|||
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* @param {module:echarts/data/Graph.Node} startNode
|
|||
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* @param {string} [direction='none'] 'none'|'in'|'out'
|
|||
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* @param {*} [context]
|
|||
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*/
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graphProto.breadthFirstTraverse = function (cb, startNode, direction, context) {
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if (!Node.isInstance(startNode)) {
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startNode = this._nodesMap[generateNodeKey(startNode)];
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}
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if (!startNode) {
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return;
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}
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var edgeType = direction === 'out' ? 'outEdges' : direction === 'in' ? 'inEdges' : 'edges';
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for (var i = 0; i < this.nodes.length; i++) {
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this.nodes[i].__visited = false;
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}
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if (cb.call(context, startNode, null)) {
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return;
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|||
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}
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|||
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|||
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var queue = [startNode];
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|||
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|||
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while (queue.length) {
|
|||
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var currentNode = queue.shift();
|
|||
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var edges = currentNode[edgeType];
|
|||
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|
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for (var i = 0; i < edges.length; i++) {
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|||
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var e = edges[i];
|
|||
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var otherNode = e.node1 === currentNode ? e.node2 : e.node1;
|
|||
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|
|||
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if (!otherNode.__visited) {
|
|||
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|
if (cb.call(context, otherNode, currentNode)) {
|
|||
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// Stop traversing
|
|||
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return;
|
|||
|
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}
|
|||
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|
|||
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queue.push(otherNode);
|
|||
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otherNode.__visited = true;
|
|||
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}
|
|||
|
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}
|
|||
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}
|
|||
|
|
}; // TODO
|
|||
|
|
// graphProto.depthFirstTraverse = function (
|
|||
|
|
// cb, startNode, direction, context
|
|||
|
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// ) {
|
|||
|
|
// };
|
|||
|
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// Filter update
|
|||
|
|
|
|||
|
|
|
|||
|
|
graphProto.update = function () {
|
|||
|
|
var data = this.data;
|
|||
|
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var edgeData = this.edgeData;
|
|||
|
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var nodes = this.nodes;
|
|||
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var edges = this.edges;
|
|||
|
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|
|||
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for (var i = 0, len = nodes.length; i < len; i++) {
|
|||
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nodes[i].dataIndex = -1;
|
|||
|
|
}
|
|||
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|
|||
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for (var i = 0, len = data.count(); i < len; i++) {
|
|||
|
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nodes[data.getRawIndex(i)].dataIndex = i;
|
|||
|
|
}
|
|||
|
|
|
|||
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|
edgeData.filterSelf(function (idx) {
|
|||
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|
var edge = edges[edgeData.getRawIndex(idx)];
|
|||
|
|
return edge.node1.dataIndex >= 0 && edge.node2.dataIndex >= 0;
|
|||
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|
}); // Update edge
|
|||
|
|
|
|||
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|
for (var i = 0, len = edges.length; i < len; i++) {
|
|||
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|
edges[i].dataIndex = -1;
|
|||
|
|
}
|
|||
|
|
|
|||
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for (var i = 0, len = edgeData.count(); i < len; i++) {
|
|||
|
|
edges[edgeData.getRawIndex(i)].dataIndex = i;
|
|||
|
|
}
|
|||
|
|
};
|
|||
|
|
/**
|
|||
|
|
* @return {module:echarts/data/Graph}
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
|
|||
|
|
graphProto.clone = function () {
|
|||
|
|
var graph = new Graph(this._directed);
|
|||
|
|
var nodes = this.nodes;
|
|||
|
|
var edges = this.edges;
|
|||
|
|
|
|||
|
|
for (var i = 0; i < nodes.length; i++) {
|
|||
|
|
graph.addNode(nodes[i].id, nodes[i].dataIndex);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
for (var i = 0; i < edges.length; i++) {
|
|||
|
|
var e = edges[i];
|
|||
|
|
graph.addEdge(e.node1.id, e.node2.id, e.dataIndex);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return graph;
|
|||
|
|
};
|
|||
|
|
/**
|
|||
|
|
* @alias module:echarts/data/Graph.Node
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
|
|||
|
|
function Node(id, dataIndex) {
|
|||
|
|
/**
|
|||
|
|
* @type {string}
|
|||
|
|
*/
|
|||
|
|
this.id = id == null ? '' : id;
|
|||
|
|
/**
|
|||
|
|
* @type {Array.<module:echarts/data/Graph.Edge>}
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
this.inEdges = [];
|
|||
|
|
/**
|
|||
|
|
* @type {Array.<module:echarts/data/Graph.Edge>}
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
this.outEdges = [];
|
|||
|
|
/**
|
|||
|
|
* @type {Array.<module:echarts/data/Graph.Edge>}
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
this.edges = [];
|
|||
|
|
/**
|
|||
|
|
* @type {module:echarts/data/Graph}
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
this.hostGraph;
|
|||
|
|
/**
|
|||
|
|
* @type {number}
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
this.dataIndex = dataIndex == null ? -1 : dataIndex;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
Node.prototype = {
|
|||
|
|
constructor: Node,
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @return {number}
|
|||
|
|
*/
|
|||
|
|
degree: function () {
|
|||
|
|
return this.edges.length;
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @return {number}
|
|||
|
|
*/
|
|||
|
|
inDegree: function () {
|
|||
|
|
return this.inEdges.length;
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @return {number}
|
|||
|
|
*/
|
|||
|
|
outDegree: function () {
|
|||
|
|
return this.outEdges.length;
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @param {string} [path]
|
|||
|
|
* @return {module:echarts/model/Model}
|
|||
|
|
*/
|
|||
|
|
getModel: function (path) {
|
|||
|
|
if (this.dataIndex < 0) {
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
var graph = this.hostGraph;
|
|||
|
|
var itemModel = graph.data.getItemModel(this.dataIndex);
|
|||
|
|
return itemModel.getModel(path);
|
|||
|
|
}
|
|||
|
|
};
|
|||
|
|
/**
|
|||
|
|
* 图边
|
|||
|
|
* @alias module:echarts/data/Graph.Edge
|
|||
|
|
* @param {module:echarts/data/Graph.Node} n1
|
|||
|
|
* @param {module:echarts/data/Graph.Node} n2
|
|||
|
|
* @param {number} [dataIndex=-1]
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
function Edge(n1, n2, dataIndex) {
|
|||
|
|
/**
|
|||
|
|
* 节点1，如果是有向图则为源节点
|
|||
|
|
* @type {module:echarts/data/Graph.Node}
|
|||
|
|
*/
|
|||
|
|
this.node1 = n1;
|
|||
|
|
/**
|
|||
|
|
* 节点2，如果是有向图则为目标节点
|
|||
|
|
* @type {module:echarts/data/Graph.Node}
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
this.node2 = n2;
|
|||
|
|
this.dataIndex = dataIndex == null ? -1 : dataIndex;
|
|||
|
|
}
|
|||
|
|
/**
|
|||
|
|
* @param {string} [path]
|
|||
|
|
* @return {module:echarts/model/Model}
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
|
|||
|
|
Edge.prototype.getModel = function (path) {
|
|||
|
|
if (this.dataIndex < 0) {
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
var graph = this.hostGraph;
|
|||
|
|
var itemModel = graph.edgeData.getItemModel(this.dataIndex);
|
|||
|
|
return itemModel.getModel(path);
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
var createGraphDataProxyMixin = function (hostName, dataName) {
|
|||
|
|
return {
|
|||
|
|
/**
|
|||
|
|
* @param {string=} [dimension='value'] Default 'value'. can be 'a', 'b', 'c', 'd', 'e'.
|
|||
|
|
* @return {number}
|
|||
|
|
*/
|
|||
|
|
getValue: function (dimension) {
|
|||
|
|
var data = this[hostName][dataName];
|
|||
|
|
return data.get(data.getDimension(dimension || 'value'), this.dataIndex);
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @param {Object|string} key
|
|||
|
|
* @param {*} [value]
|
|||
|
|
*/
|
|||
|
|
setVisual: function (key, value) {
|
|||
|
|
this.dataIndex >= 0 && this[hostName][dataName].setItemVisual(this.dataIndex, key, value);
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @param {string} key
|
|||
|
|
* @return {boolean}
|
|||
|
|
*/
|
|||
|
|
getVisual: function (key, ignoreParent) {
|
|||
|
|
return this[hostName][dataName].getItemVisual(this.dataIndex, key, ignoreParent);
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @param {Object} layout
|
|||
|
|
* @return {boolean} [merge=false]
|
|||
|
|
*/
|
|||
|
|
setLayout: function (layout, merge) {
|
|||
|
|
this.dataIndex >= 0 && this[hostName][dataName].setItemLayout(this.dataIndex, layout, merge);
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @return {Object}
|
|||
|
|
*/
|
|||
|
|
getLayout: function () {
|
|||
|
|
return this[hostName][dataName].getItemLayout(this.dataIndex);
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @return {module:zrender/Element}
|
|||
|
|
*/
|
|||
|
|
getGraphicEl: function () {
|
|||
|
|
return this[hostName][dataName].getItemGraphicEl(this.dataIndex);
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @return {number}
|
|||
|
|
*/
|
|||
|
|
getRawIndex: function () {
|
|||
|
|
return this[hostName][dataName].getRawIndex(this.dataIndex);
|
|||
|
|
}
|
|||
|
|
};
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
zrUtil.mixin(Node, createGraphDataProxyMixin('hostGraph', 'data'));
|
|||
|
|
zrUtil.mixin(Edge, createGraphDataProxyMixin('hostGraph', 'edgeData'));
|
|||
|
|
Graph.Node = Node;
|
|||
|
|
Graph.Edge = Edge;
|
|||
|
|
enableClassCheck(Node);
|
|||
|
|
enableClassCheck(Edge);
|
|||
|
|
var _default = Graph;
|
|||
|
|
module.exports = _default;
|