/
force.js
1697 lines (1697 loc) · 63.5 KB
/
force.js
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define('echarts/chart/force', [
'require',
'./base',
'../data/Graph',
'../layout/Force',
'zrender/shape/Line',
'zrender/shape/BezierCurve',
'zrender/shape/Image',
'../util/shape/Icon',
'../config',
'../util/ecData',
'zrender/tool/util',
'zrender/config',
'zrender/tool/vector',
'../chart'
], function (require) {
'use strict';
var ChartBase = require('./base');
var Graph = require('../data/Graph');
var ForceLayout = require('../layout/Force');
var LineShape = require('zrender/shape/Line');
var BezierCurveShape = require('zrender/shape/BezierCurve');
var ImageShape = require('zrender/shape/Image');
var IconShape = require('../util/shape/Icon');
var ecConfig = require('../config');
ecConfig.force = {
zlevel: 1,
z: 2,
center: [
'50%',
'50%'
],
size: '100%',
preventOverlap: false,
coolDown: 0.99,
minRadius: 10,
maxRadius: 20,
ratioScaling: false,
large: false,
useWorker: false,
steps: 1,
scaling: 1,
gravity: 1,
symbol: 'circle',
symbolSize: 0,
linkSymbol: null,
linkSymbolSize: [
10,
15
],
draggable: true,
clickable: true,
roam: false,
itemStyle: {
normal: {
label: {
show: false,
position: 'inside'
},
nodeStyle: {
brushType: 'both',
borderColor: '#5182ab',
borderWidth: 1
},
linkStyle: {
color: '#5182ab',
width: 1,
type: 'line'
}
},
emphasis: {
label: { show: false },
nodeStyle: {},
linkStyle: { opacity: 0 }
}
}
};
var ecData = require('../util/ecData');
var zrUtil = require('zrender/tool/util');
var zrConfig = require('zrender/config');
var vec2 = require('zrender/tool/vector');
function Force(ecTheme, messageCenter, zr, option, myChart) {
var self = this;
ChartBase.call(this, ecTheme, messageCenter, zr, option, myChart);
this.__nodePositionMap = {};
this._graph = new Graph(true);
this._layout = new ForceLayout();
this._layout.onupdate = function () {
self._step();
};
this._steps = 1;
this.ondragstart = function () {
ondragstart.apply(self, arguments);
};
this.ondragend = function () {
ondragend.apply(self, arguments);
};
this.ondrop = function () {
};
this.shapeHandler.ondragstart = function () {
self.isDragstart = true;
};
this.onmousemove = function () {
onmousemove.apply(self, arguments);
};
this.refresh(option);
}
Force.prototype = {
constructor: Force,
type: ecConfig.CHART_TYPE_FORCE,
_init: function () {
this.selectedMap = {};
var legend = this.component.legend;
var series = this.series;
var serieName;
this.clear();
for (var i = 0, l = series.length; i < l; i++) {
var serie = series[i];
if (serie.type === ecConfig.CHART_TYPE_FORCE) {
series[i] = this.reformOption(series[i]);
serieName = series[i].name || '';
this.selectedMap[serieName] = legend ? legend.isSelected(serieName) : true;
if (!this.selectedMap[serieName]) {
continue;
}
this.buildMark(i);
this._initSerie(serie, i);
break;
}
}
this.animationEffect();
},
_getNodeCategory: function (serie, node) {
return serie.categories && serie.categories[node.category || 0];
},
_getNodeQueryTarget: function (serie, node, type) {
type = type || 'normal';
var category = this._getNodeCategory(serie, node) || {};
return [
node.itemStyle && node.itemStyle[type],
category && category.itemStyle && category.itemStyle[type],
serie.itemStyle[type].nodeStyle
];
},
_getEdgeQueryTarget: function (serie, edge, type) {
type = type || 'normal';
return [
edge.itemStyle && edge.itemStyle[type],
serie.itemStyle[type].linkStyle
];
},
_initSerie: function (serie, serieIdx) {
this._temperature = 1;
if (serie.matrix) {
this._graph = this._getSerieGraphFromDataMatrix(serie);
} else if (serie.links) {
this._graph = this._getSerieGraphFromNodeLinks(serie);
}
this._buildLinkShapes(serie, serieIdx);
this._buildNodeShapes(serie, serieIdx);
var panable = serie.roam === true || serie.roam === 'move';
var zoomable = serie.roam === true || serie.roam === 'scale';
this.zr.modLayer(this.getZlevelBase(), {
panable: panable,
zoomable: zoomable
});
if (this.query('markPoint.effect.show') || this.query('markLine.effect.show')) {
this.zr.modLayer(ecConfig.EFFECT_ZLEVEL, {
panable: panable,
zoomable: zoomable
});
}
this._initLayout(serie);
this._step();
},
_getSerieGraphFromDataMatrix: function (serie) {
var nodesData = [];
var count = 0;
var matrix = [];
for (var i = 0; i < serie.matrix.length; i++) {
matrix[i] = serie.matrix[i].slice();
}
var data = serie.data || serie.nodes;
for (var i = 0; i < data.length; i++) {
var node = {};
var group = data[i];
for (var key in group) {
if (key === 'name') {
node['id'] = group['name'];
} else {
node[key] = group[key];
}
}
var category = this._getNodeCategory(serie, group);
var name = category ? category.name : group.name;
this.selectedMap[name] = this.isSelected(name);
if (this.selectedMap[name]) {
nodesData.push(node);
count++;
} else {
matrix.splice(count, 1);
for (var j = 0; j < matrix.length; j++) {
matrix[j].splice(count, 1);
}
}
}
var graph = Graph.fromMatrix(nodesData, matrix, true);
graph.eachNode(function (n, idx) {
n.layout = {
size: n.data.value,
mass: 0
};
n.rawIndex = idx;
});
graph.eachEdge(function (e) {
e.layout = { weight: e.data.weight };
});
return graph;
},
_getSerieGraphFromNodeLinks: function (serie) {
var graph = new Graph(true);
var nodes = serie.data || serie.nodes;
for (var i = 0, len = nodes.length; i < len; i++) {
var n = nodes[i];
if (!n || n.ignore) {
continue;
}
var category = this._getNodeCategory(serie, n);
var name = category ? category.name : n.name;
this.selectedMap[name] = this.isSelected(name);
if (this.selectedMap[name]) {
var node = graph.addNode(n.name, n);
node.rawIndex = i;
}
}
for (var i = 0, len = serie.links.length; i < len; i++) {
var e = serie.links[i];
var n1 = e.source;
var n2 = e.target;
if (typeof n1 === 'number') {
n1 = nodes[n1];
if (n1) {
n1 = n1.name;
}
}
if (typeof n2 === 'number') {
n2 = nodes[n2];
if (n2) {
n2 = n2.name;
}
}
var edge = graph.addEdge(n1, n2, e);
if (edge) {
edge.rawIndex = i;
}
}
graph.eachNode(function (n) {
var value = n.data.value;
if (value == null) {
value = 0;
for (var i = 0; i < n.edges.length; i++) {
value += n.edges[i].data.weight || 0;
}
}
n.layout = {
size: value,
mass: 0
};
});
graph.eachEdge(function (e) {
e.layout = { weight: e.data.weight == null ? 1 : e.data.weight };
});
return graph;
},
_initLayout: function (serie) {
var graph = this._graph;
var len = graph.nodes.length;
var minRadius = this.query(serie, 'minRadius');
var maxRadius = this.query(serie, 'maxRadius');
this._steps = serie.steps || 1;
var layout = this._layout;
layout.center = this.parseCenter(this.zr, serie.center);
layout.width = this.parsePercent(serie.size, this.zr.getWidth());
layout.height = this.parsePercent(serie.size, this.zr.getHeight());
layout.large = serie.large;
layout.scaling = serie.scaling;
layout.ratioScaling = serie.ratioScaling;
layout.gravity = serie.gravity;
layout.temperature = 1;
layout.coolDown = serie.coolDown;
layout.preventNodeEdgeOverlap = serie.preventOverlap;
layout.preventNodeOverlap = serie.preventOverlap;
var min = Infinity;
var max = -Infinity;
for (var i = 0; i < len; i++) {
var gNode = graph.nodes[i];
max = Math.max(gNode.layout.size, max);
min = Math.min(gNode.layout.size, min);
}
var divider = max - min;
for (var i = 0; i < len; i++) {
var gNode = graph.nodes[i];
if (divider > 0) {
gNode.layout.size = (gNode.layout.size - min) * (maxRadius - minRadius) / divider + minRadius;
gNode.layout.mass = gNode.layout.size / maxRadius;
} else {
gNode.layout.size = (maxRadius - minRadius) / 2;
gNode.layout.mass = 0.5;
}
}
for (var i = 0; i < len; i++) {
var gNode = graph.nodes[i];
if (typeof this.__nodePositionMap[gNode.id] !== 'undefined') {
gNode.layout.position = vec2.create();
vec2.copy(gNode.layout.position, this.__nodePositionMap[gNode.id]);
} else if (typeof gNode.data.initial !== 'undefined') {
gNode.layout.position = vec2.create();
vec2.copy(gNode.layout.position, gNode.data.initial);
} else {
var center = this._layout.center;
var size = Math.min(this._layout.width, this._layout.height);
gNode.layout.position = _randomInSquare(center[0], center[1], size * 0.8);
}
var style = gNode.shape.style;
var radius = gNode.layout.size;
style.width = style.width || radius * 2;
style.height = style.height || radius * 2;
style.x = -style.width / 2;
style.y = -style.height / 2;
vec2.copy(gNode.shape.position, gNode.layout.position);
}
len = graph.edges.length;
max = -Infinity;
for (var i = 0; i < len; i++) {
var e = graph.edges[i];
if (e.layout.weight > max) {
max = e.layout.weight;
}
}
for (var i = 0; i < len; i++) {
var e = graph.edges[i];
e.layout.weight /= max;
}
this._layout.init(graph, serie.useWorker);
},
_buildNodeShapes: function (serie, serieIdx) {
var graph = this._graph;
var categories = this.query(serie, 'categories');
graph.eachNode(function (node) {
var category = this._getNodeCategory(serie, node.data);
var queryTarget = [
node.data,
category,
serie
];
var styleQueryTarget = this._getNodeQueryTarget(serie, node.data);
var emphasisStyleQueryTarget = this._getNodeQueryTarget(serie, node.data, 'emphasis');
var shape = new IconShape({
style: {
x: 0,
y: 0,
color: this.deepQuery(styleQueryTarget, 'color'),
brushType: 'both',
strokeColor: this.deepQuery(styleQueryTarget, 'strokeColor') || this.deepQuery(styleQueryTarget, 'borderColor'),
lineWidth: this.deepQuery(styleQueryTarget, 'lineWidth') || this.deepQuery(styleQueryTarget, 'borderWidth')
},
highlightStyle: {
color: this.deepQuery(emphasisStyleQueryTarget, 'color'),
strokeColor: this.deepQuery(emphasisStyleQueryTarget, 'strokeColor') || 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');
var symbolSize = this.deepQuery(queryTarget, 'symbolSize') || 0;
if (typeof symbolSize === 'number') {
symbolSize = [
symbolSize,
symbolSize
];
}
shape.style.width = symbolSize[0] * 2;
shape.style.height = symbolSize[1] * 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()
});
}
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') || {});
}
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 || '';
}
ecData.pack(shape, serie, serieIdx, node.data, node.rawIndex, node.data.name || '', 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');
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) {
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);
}
}
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, serieIdx, gEdge.data, gEdge.rawIndex == null ? i : gEdge.rawIndex, gEdge.data.name || source.id + ' - ' + target.id, source.id, target.id);
this.shapeList.push(linkShape);
this.zr.addShape(linkShape);
gEdge.shape = linkShape;
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',
color: linkShape.style.strokeColor
},
highlightStyle: { brushType: 'fill' },
position: [
0,
0
],
rotation: 0,
zlevel: this.getZlevelBase(),
z: this.getZBase()
});
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;
}
};
function ondragstart(param) {
if (!this.isDragstart || !param.target) {
return;
}
var shape = param.target;
shape.fixed = true;
this.isDragstart = false;
this.zr.on(zrConfig.EVENT.MOUSEMOVE, this.onmousemove);
}
function onmousemove() {
this._layout.temperature = 0.8;
this._step();
}
function ondragend(param, status) {
if (!this.isDragend || !param.target) {
return;
}
var shape = param.target;
shape.fixed = false;
status.dragIn = true;
status.needRefresh = false;
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);
require('../chart').define('force', Force);
return Force;
});define('echarts/data/Graph', [
'require',
'zrender/tool/util'
], function (require) {
var util = require('zrender/tool/util');
'use strict';
var Graph = function (directed) {
this._directed = directed || false;
this.nodes = [];
this.edges = [];
this._nodesMap = {};
this._edgesMap = {};
};
Graph.prototype.isDirected = function () {
return this._directed;
};
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;
};
Graph.prototype.getNodeById = function (id) {
return this._nodesMap[id];
};
Graph.prototype.addEdge = function (n1, n2, data) {
if (typeof n1 == 'string') {
n1 = this._nodesMap[n1];
}
if (typeof n2 == 'string') {
n2 = this._nodesMap[n2];
}
if (!n1 || !n2) {
return;
}
var key = n1.id + '-' + n2.id;
if (this._edgesMap[key]) {
return this._edgesMap[key];
}
var edge = new Graph.Edge(n1, n2, data);
if (this._directed) {
n1.outEdges.push(edge);
n2.inEdges.push(edge);
}
n1.edges.push(edge);
if (n1 !== n2) {
n2.edges.push(edge);
}
this.edges.push(edge);
this._edgesMap[key] = edge;
return edge;
};
Graph.prototype.removeEdge = function (edge) {
var n1 = edge.node1;
var n2 = edge.node2;
var key = n1.id + '-' + n2.id;
if (this._directed) {
n1.outEdges.splice(util.indexOf(n1.outEdges, edge), 1);
n2.inEdges.splice(util.indexOf(n2.inEdges, edge), 1);
}
n1.edges.splice(util.indexOf(n1.edges, edge), 1);
if (n1 !== n2) {
n2.edges.splice(util.indexOf(n2.edges, edge), 1);
}
delete this._edgesMap[key];
this.edges.splice(util.indexOf(this.edges, edge), 1);
};
Graph.prototype.getEdge = function (n1, n2) {
if (typeof n1 !== 'string') {
n1 = n1.id;
}
if (typeof n2 !== 'string') {
n2 = n2.id;
}
if (this._directed) {
return this._edgesMap[n1 + '-' + n2];
} else {
return this._edgesMap[n1 + '-' + n2] || this._edgesMap[n2 + '-' + n1];
}
};
Graph.prototype.removeNode = function (node) {
if (typeof node === 'string') {
node = this._nodesMap[node];
if (!node) {
return;
}
}
delete this._nodesMap[node.id];
this.nodes.splice(util.indexOf(this.nodes, node), 1);
for (var i = 0; i < this.edges.length;) {
var edge = this.edges[i];
if (edge.node1 === node || edge.node2 === node) {
this.removeEdge(edge);
} else {
i++;
}
}
};
Graph.prototype.filterNode = function (cb, context) {
var len = this.nodes.length;
for (var i = 0; i < len;) {
if (cb.call(context, this.nodes[i], i)) {
i++;
} else {
this.removeNode(this.nodes[i]);
len--;
}
}
};
Graph.prototype.filterEdge = function (cb, context) {
var len = this.edges.length;
for (var i = 0; i < len;) {
if (cb.call(context, this.edges[i], i)) {
i++;
} else {
this.removeEdge(this.edges[i]);
len--;
}
}
};
Graph.prototype.eachNode = function (cb, context) {
var len = this.nodes.length;
for (var i = 0; i < len; i++) {
if (this.nodes[i]) {
cb.call(context, this.nodes[i], i);
}
}
};
Graph.prototype.eachEdge = function (cb, context) {
var len = this.edges.length;
for (var i = 0; i < len; i++) {
if (this.edges[i]) {
cb.call(context, this.edges[i], i);
}
}
};
Graph.prototype.clear = function () {
this.nodes.length = 0;
this.edges.length = 0;
this._nodesMap = {};
this._edgesMap = {};
};
Graph.prototype.breadthFirstTraverse = function (cb, startNode, direction, context) {
if (typeof startNode === 'string') {
startNode = this._nodesMap[startNode];
}
if (!startNode) {
return;
}
var edgeType = 'edges';
if (direction === 'out') {
edgeType = 'outEdges';
} else if (direction === 'in') {
edgeType = 'inEdges';
}
for (var i = 0; i < this.nodes.length; i++) {
this.nodes[i].__visited = false;
}
if (cb.call(context, startNode, null)) {
return;
}
var queue = [startNode];
while (queue.length) {
var currentNode = queue.shift();
var edges = currentNode[edgeType];
for (var i = 0; i < edges.length; i++) {
var e = edges[i];
var otherNode = e.node1 === currentNode ? e.node2 : e.node1;
if (!otherNode.__visited) {
if (cb.call(otherNode, otherNode, currentNode)) {
return;
}
queue.push(otherNode);
otherNode.__visited = true;
}
}
}
};
Graph.prototype.clone = function () {
var graph = new Graph(this._directed);
for (var i = 0; i < this.nodes.length; i++) {
graph.addNode(this.nodes[i].id, this.nodes[i].data);
}
for (var i = 0; i < this.edges.length; i++) {
var e = this.edges[i];
graph.addEdge(e.node1.id, e.node2.id, e.data);
}
return graph;
};
var Node = function (id, data) {
this.id = id;
this.data = data || null;
this.inEdges = [];
this.outEdges = [];
this.edges = [];
};
Node.prototype.degree = function () {
return this.edges.length;
};
Node.prototype.inDegree = function () {
return this.inEdges.length;
};
Node.prototype.outDegree = function () {
return this.outEdges.length;
};
var Edge = function (node1, node2, data) {
this.node1 = node1;
this.node2 = node2;
this.data = data || null;
};
Graph.Node = Node;
Graph.Edge = Edge;
Graph.fromMatrix = function (nodesData, matrix, directed) {
if (!matrix || !matrix.length || matrix[0].length !== matrix.length || nodesData.length !== matrix.length) {
return;
}
var size = matrix.length;
var graph = new Graph(directed);
for (var i = 0; i < size; i++) {
var node = graph.addNode(nodesData[i].id, nodesData[i]);
node.data.value = 0;
if (directed) {
node.data.outValue = node.data.inValue = 0;
}
}
for (var i = 0; i < size; i++) {
for (var j = 0; j < size; j++) {
var item = matrix[i][j];
if (directed) {
graph.nodes[i].data.outValue += item;
graph.nodes[j].data.inValue += item;
}
graph.nodes[i].data.value += item;
graph.nodes[j].data.value += item;
}
}
for (var i = 0; i < size; i++) {
for (var j = i; j < size; j++) {
var item = matrix[i][j];
if (item === 0) {
continue;
}
var n1 = graph.nodes[i];
var n2 = graph.nodes[j];
var edge = graph.addEdge(n1, n2, {});
edge.data.weight = item;
if (i !== j) {
if (directed && matrix[j][i]) {
var inEdge = graph.addEdge(n2, n1, {});
inEdge.data.weight = matrix[j][i];
}
}
}
}
return graph;
};
return Graph;
});define('echarts/layout/Force', [
'require',
'./forceLayoutWorker',
'zrender/tool/vector'
], function (require) {
var ForceLayoutWorker = require('./forceLayoutWorker');
var vec2 = require('zrender/tool/vector');
var requestAnimationFrame = window.requestAnimationFrame || window.msRequestAnimationFrame || window.mozRequestAnimationFrame || window.webkitRequestAnimationFrame || function (func) {
setTimeout(func, 16);
};
var ArrayCtor = typeof Float32Array == 'undefined' ? Array : Float32Array;
var workerUrl;
function createWorkerUrl() {
if (typeof Worker !== 'undefined' && typeof Blob !== 'undefined') {
try {
var blob = new Blob([ForceLayoutWorker.getWorkerCode()]);
workerUrl = window.URL.createObjectURL(blob);
} catch (e) {
workerUrl = '';
}
}
return workerUrl;
}
var ForceLayout = function (opts) {
if (typeof workerUrl === 'undefined') {
createWorkerUrl();
}
opts = opts || {};
this.width = opts.width || 500;
this.height = opts.height || 500;
this.center = opts.center || [
this.width / 2,
this.height / 2
];
this.ratioScaling = opts.ratioScaling || false;
this.scaling = opts.scaling || 1;
this.gravity = typeof opts.gravity !== 'undefined' ? opts.gravity : 1;
this.large = opts.large || false;
this.preventNodeOverlap = opts.preventNodeOverlap || false;
this.preventNodeEdgeOverlap = opts.preventNodeEdgeOverlap || false;
this.maxSpeedIncrease = opts.maxSpeedIncrease || 1;
this.onupdate = opts.onupdate || function () {
};
this.temperature = opts.temperature || 1;
this.coolDown = opts.coolDown || 0.99;
this._layout = null;
this._layoutWorker = null;
var self = this;
var _$onupdate = this._$onupdate;
this._$onupdate = function (e) {
_$onupdate.call(self, e);
};
};
ForceLayout.prototype.updateConfig = function () {
var width = this.width;
var height = this.height;
var size = Math.min(width, height);
var config = {
center: this.center,
width: this.ratioScaling ? width : size,
height: this.ratioScaling ? height : size,
scaling: this.scaling || 1,
gravity: this.gravity || 1,
barnesHutOptimize: this.large,
preventNodeOverlap: this.preventNodeOverlap,
preventNodeEdgeOverlap: this.preventNodeEdgeOverlap,
maxSpeedIncrease: this.maxSpeedIncrease
};
if (this._layoutWorker) {
this._layoutWorker.postMessage({
cmd: 'updateConfig',