/**
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* echarts图表类：力导向图
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*
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* @author pissang (https://github.com/pissang/)
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*
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*/
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define(function (require) {
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'use strict';
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var ChartBase = require('./base');
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var Graph = require('../data/Graph');
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var ForceLayout = require('../layout/Force');
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// 图形依赖
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var LineShape = require('zrender/shape/Line');
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var BezierCurveShape = require('zrender/shape/BezierCurve');
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var ImageShape = require('zrender/shape/Image');
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var IconShape = require('../util/shape/Icon');
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var ecConfig = require('../config');
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// 力导向布局图默认参数
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ecConfig.force = {
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zlevel: 1, // 一级层叠
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z: 2, // 二级层叠
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// 布局中心
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center: ['50%', '50%'],
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// 布局大小
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size: '100%',
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// 防止节点和节点，节点和边之间的重叠
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preventOverlap: false,
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// 布局冷却因子，值越小结束时间越短，值越大时间越长但是结果也越收敛
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coolDown: 0.99,
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// 数据映射到圆的半径的最小值和最大值
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minRadius: 10,
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maxRadius: 20,
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// 是否根据屏幕比例拉伸
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ratioScaling: false,
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// 在 500+ 顶点的图上建议设置 large 为 true, 会使用 Barnes-Hut simulation
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// 同时开启 useWorker 并且把 steps 值调大
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// 关于Barnes-Hut simulation: http://en.wikipedia.org/wiki/Barnes–Hut_simulation
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large: false,
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// 是否在浏览器支持 worker 的时候使用 web worker
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useWorker: false,
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// 每一帧 force 迭代的次数，仅在启用webworker的情况下有用
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steps: 1,
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// 布局缩放因子，并不完全精确, 效果跟布局大小类似
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scaling: 1.0,
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// 向心力因子，越大向心力越大（ 所有顶点会往 center 的位置收拢 )
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gravity: 1,
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symbol: 'circle',
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// symbolSize 为 0 的话使用映射到minRadius-maxRadius后的值
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symbolSize: 0,
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linkSymbol: null,
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linkSymbolSize: [10, 15],
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draggable: true,
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clickable: true,
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roam: false,
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// 分类里如果有样式会覆盖节点默认样式
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// categories: [{
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// itemStyle
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// symbol
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// symbolSize
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// name
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// }],
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itemStyle: {
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normal: {
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// color: 各异,
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label: {
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show: false,
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position: 'inside'
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// textStyle: null // 默认使用全局文本样式，详见TEXTSTYLE
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},
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nodeStyle: {
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brushType : 'both',
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borderColor : '#5182ab',
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borderWidth: 1
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},
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linkStyle: {
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color: '#5182ab',
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width: 1,
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type: 'line'
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}
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},
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emphasis: {
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// color: 各异,
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label: {
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show: false
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// textStyle: null // 默认使用全局文本样式，详见TEXTSTYLE
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},
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nodeStyle: {},
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linkStyle: {
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opacity: 0
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}
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}
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}
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// nodes: [{
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// name: 'xxx',
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// value: 1,
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// itemStyle: {},
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// initial: [0, 0],
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// fixX: false,
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// fixY: false,
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// ignore: false,
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// symbol: 'circle',
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// symbolSize: 0
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// }]
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// links: [{
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// source: 1,
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// target: 2,
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// weight: 1,
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// itemStyle: {}
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// }, {
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// source: 'xxx',
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// target: 'ooo'
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// }]
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};
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var ecData = require('../util/ecData');
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var zrUtil = require('zrender/tool/util');
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var zrConfig = require('zrender/config');
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var vec2 = require('zrender/tool/vector');
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/**
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* 构造函数
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* @param {Object} messageCenter echart消息中心
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* @param {ZRender} zr zrender实例
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* @param {Object} series 数据
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* @param {Object} component 组件
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*/
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function Force(ecTheme, messageCenter, zr, option, myChart) {
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var self = this;
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// 图表基类
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ChartBase.call(this, ecTheme, messageCenter, zr, option, myChart);
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// 保存节点的位置，改变数据时能够有更好的动画效果
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this.__nodePositionMap = {};
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this._graph = new Graph(true);
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this._layout = new ForceLayout();
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this._layout.onupdate = function() {
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self._step();
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};
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this._steps = 1;
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// 关闭可拖拽属性
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this.ondragstart = function() {
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ondragstart.apply(self, arguments);
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};
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this.ondragend = function() {
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ondragend.apply(self, arguments);
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};
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this.ondrop = function() {};
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this.shapeHandler.ondragstart = function() {
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self.isDragstart = true;
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};
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this.onmousemove = function() {
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onmousemove.apply(self, arguments);
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};
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this.refresh(option);
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}
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/**
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* 绘制图形
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*/
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Force.prototype = {
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constructor: Force,
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type : ecConfig.CHART_TYPE_FORCE,
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_init: function() {
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// var self = this;
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var legend = this.component.legend;
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var series = this.series;
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var serieName;
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this.clear();
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for (var i = 0, l = series.length; i < l; i++) {
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var serie = series[i];
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if (serie.type === ecConfig.CHART_TYPE_FORCE) {
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series[i] = this.reformOption(series[i]);
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serieName = series[i].name || '';
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// 系列图例开关
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this.selectedMap[serieName] =
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legend ? legend.isSelected(serieName) : true;
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if (!this.selectedMap[serieName]) {
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continue;
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}
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this.buildMark(i);
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// TODO 多个 force
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this._initSerie(serie, i);
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break;
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}
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}
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this.animationEffect();
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},
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_getNodeCategory: function (serie, node) {
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return serie.categories && serie.categories[node.category || 0];
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},
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_getNodeQueryTarget: function (serie, node, type) {
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type = type || 'normal';
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var category = this._getNodeCategory(serie, node) || {};
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return [
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// Node
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node.itemStyle && node.itemStyle[type],
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// Category
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category && category.itemStyle && category.itemStyle[type],
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// Serie
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serie.itemStyle[type].nodeStyle
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];
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},
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_getEdgeQueryTarget: function (serie, edge, type) {
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type = type || 'normal';
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return [
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(edge.itemStyle && edge.itemStyle[type]),
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serie.itemStyle[type].linkStyle
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];
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},
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_initSerie: function(serie, serieIdx) {
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this._temperature = 1;
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// data-matrix 表示数据
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if (serie.data) {
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this._graph = this._getSerieGraphFromDataMatrix(serie);
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}
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// node-links 表示数据
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else {
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this._graph = this._getSerieGraphFromNodeLinks(serie);
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}
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this._buildLinkShapes(serie, serieIdx);
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this._buildNodeShapes(serie, serieIdx);
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var panable = serie.roam === true || serie.roam === 'move';
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var zoomable = serie.roam === true || serie.roam === 'scale';
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// Enable pan and zooom
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this.zr.modLayer(this.getZlevelBase(), {
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panable: panable,
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zoomable: zoomable
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});
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if (
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this.query('markPoint.effect.show')
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|| this.query('markLine.effect.show')
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) {
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// 斗胆修改 EFFECT 层配置项
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this.zr.modLayer(ecConfig.EFFECT_ZLEVEL, {
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panable: panable,
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zoomable: zoomable
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});
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}
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this._initLayout(serie);
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this._step();
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},
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_getSerieGraphFromDataMatrix: function (serie) {
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var nodesData = [];
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var count = 0;
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var matrix = [];
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// 复制一份新的matrix
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for (var i = 0; i < serie.matrix.length; i++) {
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matrix[i] = serie.matrix[i].slice();
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}
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var data = serie.data || serie.nodes;
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for (var i = 0; i < data.length; i++) {
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var node = {};
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var group = data[i];
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for (var key in group) {
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// name改为id
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if (key === 'name') {
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node['id'] = group['name'];
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}
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else {
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node[key] = group[key];
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}
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}
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// legends 选择优先级 category -> group
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var category = this._getNodeCategory(serie, group);
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var name = category ? category.name : group.name;
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this.selectedMap[name] = this.isSelected(name);
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if (this.selectedMap[name]) {
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nodesData.push(node);
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count++;
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}
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else {
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// 过滤legend未选中的数据
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matrix.splice(count, 1);
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for (var j = 0; j < matrix.length; j++) {
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matrix[j].splice(count, 1);
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}
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}
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}
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var graph = Graph.fromMatrix(nodesData, matrix, true);
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// Prepare layout parameters
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graph.eachNode(function (n, idx) {
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n.layout = {
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size: n.data.value,
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mass: 0
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};
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n.rawIndex = idx;
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});
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graph.eachEdge(function (e) {
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e.layout = {
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weight: e.data.weight
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};
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});
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return graph;
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},
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_getSerieGraphFromNodeLinks: function (serie) {
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var graph = new Graph(true);
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var nodes = serie.data || serie.nodes;
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for (var i = 0, len = nodes.length; i < len; i++) {
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var n = nodes[i];
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if (!n || n.ignore) {
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continue;
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}
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// legends 选择优先级 category -> group
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var category = this._getNodeCategory(serie, n);
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var name = category ? category.name : n.name;
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this.selectedMap[name] = this.isSelected(name);
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if (this.selectedMap[name]) {
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var node = graph.addNode(n.name, n);
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node.rawIndex = i;
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}
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}
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for (var i = 0, len = serie.links.length; i < len; i++) {
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var e = serie.links[i];
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var n1 = e.source;
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var n2 = e.target;
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if (typeof(n1) === 'number') {
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n1 = nodes[n1];
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if (n1) {
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n1 = n1.name;
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}
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}
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if (typeof(n2) === 'number') {
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n2 = nodes[n2];
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if (n2) {
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n2 = n2.name;
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}
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}
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var edge = graph.addEdge(n1, n2, e);
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if (edge) {
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edge.rawIndex = i;
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}
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}
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graph.eachNode(function (n) {
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var value = n.data.value;
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if (value == null) { // value 是 null 或者 undefined
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value = 0;
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// 默认使用所有边值的和作为节点的大小, 不修改 data 里的数值
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for (var i = 0; i < n.edges.length; i++) {
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value += n.edges[i].data.weight || 0;
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}
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}
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n.layout = {
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size: value,
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mass: 0
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};
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});
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graph.eachEdge(function (e) {
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e.layout = {
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// 默认 weight 为1
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weight: e.data.weight == null ? 1 : e.data.weight
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};
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});
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return graph;
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},
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_initLayout: function(serie) {
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var graph = this._graph;
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var len = graph.nodes.length;
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var minRadius = this.query(serie, 'minRadius');
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var maxRadius = this.query(serie, 'maxRadius');
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this._steps = serie.steps || 1;
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this._layout.center = this.parseCenter(this.zr, serie.center);
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this._layout.width = this.parsePercent(serie.size, this.zr.getWidth());
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this._layout.height = this.parsePercent(serie.size, this.zr.getHeight());
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this._layout.large = serie.large;
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this._layout.scaling = serie.scaling;
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this._layout.ratioScaling = serie.ratioScaling;
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this._layout.gravity = serie.gravity;
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this._layout.temperature = 1;
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this._layout.coolDown = serie.coolDown;
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this._layout.preventNodeEdgeOverlap = serie.preventOverlap;
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this._layout.preventNodeOverlap = serie.preventOverlap;
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// 将值映射到minRadius-maxRadius的范围上
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var min = Infinity; var max = -Infinity;
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for (var i = 0; i < len; i++) {
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var gNode = graph.nodes[i];
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max = Math.max(gNode.layout.size, max);
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min = Math.min(gNode.layout.size, min);
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}
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var divider = max - min;
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for (var i = 0; i < len; i++) {
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var gNode = graph.nodes[i];
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if (divider > 0) {
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gNode.layout.size =
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(gNode.layout.size - min) * (maxRadius - minRadius) / divider
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+ minRadius;
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// 节点质量是归一的
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gNode.layout.mass = gNode.layout.size / maxRadius;
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} else {
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gNode.layout.size = (maxRadius - minRadius) / 2;
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gNode.layout.mass = 0.5;
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}
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}
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for (var i = 0; i < len; i++) {
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// var initPos;
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var gNode = graph.nodes[i];
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if (typeof(this.__nodePositionMap[gNode.id]) !== 'undefined') {
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gNode.layout.position = vec2.create();
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vec2.copy(gNode.layout.position, this.__nodePositionMap[gNode.id]);
|
}
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else if (typeof(gNode.data.initial) !== 'undefined') {
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gNode.layout.position = vec2.create();
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vec2.copy(gNode.layout.position, gNode.data.initial);
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}
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else {
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var center = this._layout.center;
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var size = Math.min(this._layout.width, this._layout.height);
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gNode.layout.position = _randomInSquare(
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center[0], center[1], size * 0.8
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);
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}
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var style = gNode.shape.style;
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var radius = gNode.layout.size;
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style.width = style.width || (radius * 2);
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style.height = style.height || (radius * 2);
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style.x = -style.width / 2;
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style.y = -style.height / 2;
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vec2.copy(gNode.shape.position, gNode.layout.position);
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}
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// 边
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len = graph.edges.length;
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max = -Infinity;
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for (var i = 0; i < len; i++) {
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var e = graph.edges[i];
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if (e.layout.weight > max) {
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max = e.layout.weight;
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}
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}
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// 权重归一
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for (var i = 0; i < len; i++) {
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var e = graph.edges[i];
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e.layout.weight /= max;
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}
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this._layout.init(graph, serie.useWorker);
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},
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_buildNodeShapes: function(serie, serieIdx) {
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var graph = this._graph;
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var categories = this.query(serie, 'categories');
|
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graph.eachNode(function (node) {
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var category = this._getNodeCategory(serie, node.data);
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var queryTarget = [node.data, category, serie];
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var styleQueryTarget = this._getNodeQueryTarget(serie, node.data);
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var emphasisStyleQueryTarget = this._getNodeQueryTarget(
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serie, node.data, 'emphasis'
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);
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var shape = new IconShape({
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style: {
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x: 0,
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y: 0,
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color: this.deepQuery(styleQueryTarget, 'color'),
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brushType: 'both',
|
// 兼容原有写法
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strokeColor: this.deepQuery(styleQueryTarget, 'strokeColor')
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|| this.deepQuery(styleQueryTarget, 'borderColor'),
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lineWidth: this.deepQuery(styleQueryTarget, 'lineWidth')
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|| this.deepQuery(styleQueryTarget, 'borderWidth')
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},
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highlightStyle: {
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color: this.deepQuery(emphasisStyleQueryTarget, 'color'),
|
// 兼容原有写法
|
strokeColor: this.deepQuery(emphasisStyleQueryTarget, 'strokeColor')
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|| this.deepQuery(emphasisStyleQueryTarget, 'borderColor'),
|
lineWidth: this.deepQuery(emphasisStyleQueryTarget, 'lineWidth')
|
|| this.deepQuery(emphasisStyleQueryTarget, 'borderWidth')
|
},
|
clickable: serie.clickable,
|
zlevel: this.getZlevelBase(),
|
z: this.getZBase()
|
});
|
if (!shape.style.color) {
|
shape.style.color = category
|
? this.getColor(category.name) : this.getColor(node.id);
|
}
|
|
shape.style.iconType = this.deepQuery(queryTarget, 'symbol');
|
// 强制设定节点大小，否则默认映射到 minRadius 到 maxRadius 后的值
|
shape.style.width = shape.style.height
|
= (this.deepQuery(queryTarget, 'symbolSize') || 0) * 2;
|
|
if (shape.style.iconType.match('image')) {
|
shape.style.image = shape.style.iconType.replace(
|
new RegExp('^image:\\/\\/'), ''
|
);
|
shape = new ImageShape({
|
style: shape.style,
|
highlightStyle: shape.highlightStyle,
|
clickable: shape.clickable,
|
zlevel: this.getZlevelBase(),
|
z: this.getZBase()
|
});
|
}
|
|
// 节点标签样式
|
if (this.deepQuery(queryTarget, 'itemStyle.normal.label.show')) {
|
shape.style.text = node.data.label == null ? node.id : node.data.label;
|
shape.style.textPosition = this.deepQuery(
|
queryTarget, 'itemStyle.normal.label.position'
|
) ;
|
shape.style.textColor = this.deepQuery(
|
queryTarget, 'itemStyle.normal.label.textStyle.color'
|
);
|
shape.style.textFont = this.getFont(this.deepQuery(
|
queryTarget, 'itemStyle.normal.label.textStyle'
|
) || {});
|
}
|
|
if (this.deepQuery(queryTarget, 'itemStyle.emphasis.label.show')) {
|
shape.highlightStyle.textPosition = this.deepQuery(
|
queryTarget, 'itemStyle.emphasis.label.position'
|
);
|
shape.highlightStyle.textColor = this.deepQuery(
|
queryTarget, 'itemStyle.emphasis.label.textStyle.color'
|
);
|
shape.highlightStyle.textFont = this.getFont(this.deepQuery(
|
queryTarget, 'itemStyle.emphasis.label.textStyle'
|
) || {});
|
}
|
|
// 拖拽特性
|
if (this.deepQuery(queryTarget, 'draggable')) {
|
this.setCalculable(shape);
|
shape.dragEnableTime = 0;
|
shape.draggable = true;
|
shape.ondragstart = this.shapeHandler.ondragstart;
|
shape.ondragover = null;
|
}
|
|
var categoryName = '';
|
if (typeof(node.category) !== 'undefined') {
|
var category = categories[node.category];
|
categoryName = (category && category.name) || '';
|
}
|
// !!Pack data before addShape
|
ecData.pack(
|
shape,
|
serie,
|
serieIdx,
|
// data
|
node.data,
|
// data index
|
node.rawIndex,
|
// name
|
node.data.name || '',
|
// category
|
// special
|
node.category
|
);
|
|
this.shapeList.push(shape);
|
this.zr.addShape(shape);
|
|
node.shape = shape;
|
}, this);
|
},
|
|
_buildLinkShapes: function(serie, serieIdx) {
|
var graph = this._graph;
|
var len = graph.edges.length;
|
|
for (var i = 0; i < len; i++) {
|
var gEdge = graph.edges[i];
|
var link = gEdge.data;
|
var source = gEdge.node1;
|
var target = gEdge.node2;
|
|
var otherEdge = graph.getEdge(target, source);
|
|
var queryTarget = this._getEdgeQueryTarget(serie, link);
|
var linkType = this.deepQuery(queryTarget, 'type');
|
// TODO 暂时只有线段支持箭头
|
if (serie.linkSymbol && serie.linkSymbol !== 'none') {
|
linkType = 'line';
|
}
|
var LinkShapeCtor = linkType === 'line' ? LineShape : BezierCurveShape;
|
|
var linkShape = new LinkShapeCtor({
|
style : {
|
xStart : 0,
|
yStart : 0,
|
xEnd : 0,
|
yEnd : 0
|
},
|
clickable: this.query(serie, 'clickable'),
|
highlightStyle : {},
|
zlevel: this.getZlevelBase(),
|
z: this.getZBase()
|
});
|
|
if (otherEdge && otherEdge.shape) {
|
// 偏移一定位置放置双向边重叠
|
linkShape.style.offset = 4;
|
otherEdge.shape.style.offset = 4;
|
}
|
|
zrUtil.merge(
|
linkShape.style,
|
this.query(serie, 'itemStyle.normal.linkStyle'),
|
true
|
);
|
zrUtil.merge(
|
linkShape.highlightStyle,
|
this.query(serie, 'itemStyle.emphasis.linkStyle'),
|
true
|
);
|
if (typeof(link.itemStyle) !== 'undefined') {
|
if(link.itemStyle.normal){
|
zrUtil.merge(linkShape.style, link.itemStyle.normal, true);
|
}
|
if(link.itemStyle.emphasis){
|
zrUtil.merge(
|
linkShape.highlightStyle,
|
link.itemStyle.emphasis,
|
true
|
);
|
}
|
}
|
|
// 兼容原有写法
|
linkShape.style.lineWidth
|
= linkShape.style.lineWidth || linkShape.style.width;
|
linkShape.style.strokeColor
|
= linkShape.style.strokeColor || linkShape.style.color;
|
linkShape.highlightStyle.lineWidth
|
= linkShape.highlightStyle.lineWidth || linkShape.highlightStyle.width;
|
linkShape.highlightStyle.strokeColor
|
= linkShape.highlightStyle.strokeColor || linkShape.highlightStyle.color;
|
|
ecData.pack(
|
linkShape,
|
// serie
|
serie,
|
// serie index
|
serieIdx,
|
// link data
|
gEdge.data,
|
// link data index
|
gEdge.rawIndex == null ? i : gEdge.rawIndex,
|
// source name - target name
|
gEdge.data.name || (source.id + ' - ' + target.id),
|
// link source id
|
// special
|
source.id,
|
// link target id
|
// special2
|
target.id
|
);
|
|
this.shapeList.push(linkShape);
|
this.zr.addShape(linkShape);
|
gEdge.shape = linkShape;
|
|
// Arrow shape
|
if (serie.linkSymbol && serie.linkSymbol !== 'none') {
|
var symbolShape = new IconShape({
|
style: {
|
x: -5,
|
y: 0,
|
width: serie.linkSymbolSize[0],
|
height: serie.linkSymbolSize[1],
|
iconType: serie.linkSymbol,
|
brushType: 'fill',
|
// Use same style with link shape
|
color: linkShape.style.strokeColor
|
},
|
highlightStyle: {
|
brushType: 'fill'
|
},
|
position: [0, 0],
|
rotation: 0
|
});
|
linkShape._symbolShape = symbolShape;
|
this.shapeList.push(symbolShape);
|
this.zr.addShape(symbolShape);
|
}
|
}
|
},
|
|
_updateLinkShapes: function() {
|
var v = vec2.create();
|
var n = vec2.create();
|
var p1 = vec2.create();
|
var p2 = vec2.create();
|
var edges = this._graph.edges;
|
for (var i = 0, len = edges.length; i < len; i++) {
|
var edge = edges[i];
|
var sourceShape = edge.node1.shape;
|
var targetShape = edge.node2.shape;
|
|
vec2.copy(p1, sourceShape.position);
|
vec2.copy(p2, targetShape.position);
|
|
var edgeShapeStyle = edge.shape.style;
|
|
vec2.sub(v, p1, p2);
|
vec2.normalize(v, v);
|
|
if (edgeShapeStyle.offset) {
|
n[0] = v[1];
|
n[1] = - v[0];
|
|
vec2.scaleAndAdd(p1, p1, n, edgeShapeStyle.offset);
|
vec2.scaleAndAdd(p2, p2, n, edgeShapeStyle.offset);
|
}
|
else if (edge.shape.type === 'bezier-curve') {
|
edgeShapeStyle.cpX1 = (p1[0] + p2[0]) / 2 - (p2[1] - p1[1]) / 4;
|
edgeShapeStyle.cpY1 = (p1[1] + p2[1]) / 2 - (p1[0] - p2[0]) / 4;
|
}
|
|
edgeShapeStyle.xStart = p1[0];
|
edgeShapeStyle.yStart = p1[1];
|
edgeShapeStyle.xEnd = p2[0];
|
edgeShapeStyle.yEnd = p2[1];
|
|
edge.shape.modSelf();
|
|
if (edge.shape._symbolShape) {
|
var symbolShape = edge.shape._symbolShape;
|
vec2.copy(symbolShape.position, p2);
|
vec2.scaleAndAdd(
|
symbolShape.position, symbolShape.position,
|
v, targetShape.style.width / 2 + 2
|
);
|
|
var angle = Math.atan2(v[1], v[0]);
|
symbolShape.rotation = Math.PI / 2 - angle;
|
|
symbolShape.modSelf();
|
}
|
}
|
},
|
|
_syncNodePositions: function() {
|
var graph = this._graph;
|
for (var i = 0; i < graph.nodes.length; i++) {
|
var gNode = graph.nodes[i];
|
var position = gNode.layout.position;
|
var node = gNode.data;
|
var shape = gNode.shape;
|
var fixX = shape.fixed || node.fixX;
|
var fixY = shape.fixed || node.fixY;
|
if (fixX === true) {
|
fixX = 1;
|
} else if (isNaN(fixX)) {
|
fixX = 0;
|
}
|
if (fixY === true) {
|
fixY = 1;
|
} else if (isNaN(fixY)) {
|
fixY = 0;
|
}
|
shape.position[0] += (position[0] - shape.position[0]) * (1 - fixX);
|
shape.position[1] += (position[1] - shape.position[1]) * (1 - fixY);
|
|
vec2.copy(position, shape.position);
|
|
var nodeName = node.name;
|
if (nodeName) {
|
var gPos = this.__nodePositionMap[nodeName];
|
if (!gPos) {
|
gPos = this.__nodePositionMap[nodeName] = vec2.create();
|
}
|
vec2.copy(gPos, position);
|
}
|
|
shape.modSelf();
|
}
|
},
|
|
_step: function(e) {
|
this._syncNodePositions();
|
|
this._updateLinkShapes();
|
|
this.zr.refreshNextFrame();
|
|
if (this._layout.temperature > 0.01) {
|
this._layout.step(this._steps);
|
} else {
|
this.messageCenter.dispatch(
|
ecConfig.EVENT.FORCE_LAYOUT_END,
|
{},
|
{},
|
this.myChart
|
);
|
}
|
},
|
|
refresh: function(newOption) {
|
if (newOption) {
|
this.option = newOption;
|
this.series = this.option.series;
|
}
|
|
this.legend = this.component.legend;
|
if (this.legend) {
|
this.getColor = function(param) {
|
return this.legend.getColor(param);
|
};
|
this.isSelected = function(param) {
|
return this.legend.isSelected(param);
|
};
|
}
|
else {
|
var colorMap = {};
|
var count = 0;
|
this.getColor = function (key) {
|
if (colorMap[key]) {
|
return colorMap[key];
|
}
|
if (!colorMap[key]) {
|
colorMap[key] = this.zr.getColor(count++);
|
}
|
|
return colorMap[key];
|
};
|
this.isSelected = function () {
|
return true;
|
};
|
}
|
|
this._init();
|
},
|
|
dispose: function(){
|
this.clear();
|
this.shapeList = null;
|
this.effectList = null;
|
|
this._layout.dispose();
|
this._layout = null;
|
|
this.__nodePositionMap = {};
|
},
|
|
getPosition: function () {
|
var position = [];
|
this._graph.eachNode(function (n) {
|
if (n.layout) {
|
position.push({
|
name: n.data.name,
|
position: Array.prototype.slice.call(n.layout.position)
|
});
|
}
|
});
|
return position;
|
}
|
};
|
|
/**
|
* 拖拽开始
|
*/
|
function ondragstart(param) {
|
if (!this.isDragstart || !param.target) {
|
// 没有在当前实例上发生拖拽行为则直接返回
|
return;
|
}
|
|
var shape = param.target;
|
shape.fixed = true;
|
|
// 处理完拖拽事件后复位
|
this.isDragstart = false;
|
|
this.zr.on(zrConfig.EVENT.MOUSEMOVE, this.onmousemove);
|
}
|
|
function onmousemove() {
|
this._layout.temperature = 0.8;
|
this._step();
|
}
|
|
/**
|
* 数据项被拖拽出去，重载基类方法
|
*/
|
function ondragend(param, status) {
|
if (!this.isDragend || !param.target) {
|
// 没有在当前实例上发生拖拽行为则直接返回
|
return;
|
}
|
var shape = param.target;
|
shape.fixed = false;
|
|
// 别status = {}赋值啊！！
|
status.dragIn = true;
|
//你自己refresh的话把他设为false，设true就会重新调refresh接口
|
status.needRefresh = false;
|
|
// 处理完拖拽事件后复位
|
this.isDragend = false;
|
|
this.zr.un(zrConfig.EVENT.MOUSEMOVE, this.onmousemove);
|
}
|
|
function _randomInSquare(x, y, size) {
|
var v = vec2.create();
|
v[0] = (Math.random() - 0.5) * size + x;
|
v[1] = (Math.random() - 0.5) * size + y;
|
return v;
|
}
|
|
zrUtil.inherits(Force, ChartBase);
|
|
// 图表注册
|
require('../chart').define('force', Force);
|
|
return Force;
|
});
|
