基本重构完成

底层渲染库舍弃 zrender,换为 antvG6
This commit is contained in:
Phenom
2021-04-06 21:45:11 +08:00
parent b886f33d9e
commit 72fcf5394a
36 changed files with 1860 additions and 1401 deletions
+101
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import { SV } from "../StructV";
/**
* 动画表
*/
export class Animations {
private duration: number;
private timingFunction: string;
private mat3 = SV.G6.Util.mat3;
constructor(duration: number, timingFunction: string) {
this.duration = duration;
this.timingFunction = timingFunction;
}
/**
* 添加节点 / 边时的动画效果
* @param G6Item
* @param callback
*/
append(G6Item, callback: Function = null) {
const type = G6Item.getType(),
group = G6Item.getContainer(),
animateCfg = {
duration: this.duration,
easing: this.timingFunction,
callback
};
if(type === 'node') {
let mat3 = this.mat3,
matrix = group.getMatrix(),
targetMatrix = mat3.clone(matrix);
mat3.scale(matrix, matrix, [0, 0]);
mat3.scale(targetMatrix, targetMatrix, [1, 1]);
group.attr({ opacity: 0, matrix });
group.animate({ opacity: 1, matrix: targetMatrix }, animateCfg);
}
if(type === 'edge') {
const line = group.get('children')[0],
length = line.getTotalLength();
line.attr({ lineDash: [0, length], opacity: 0 });
line.animate({ lineDash: [length, 0], opacity: 1 }, animateCfg);
}
}
/**
* 移除节点 / 边时的动画效果
* @param G6Item
* @param callback
*/
remove(G6Item, callback: Function = null) {
const type = G6Item.getType(),
group = G6Item.getContainer(),
animateCfg = {
duration: this.duration,
easing: this.timingFunction,
callback
};
if(type === 'node') {
let mat3 = this.mat3,
matrix = mat3.clone(group.getMatrix());
mat3.scale(matrix, matrix, [0, 0]);
group.animate({ opacity: 0, matrix }, animateCfg);
}
if(type === 'edge') {
const line = group.get('children')[0],
length = line.getTotalLength();
line.animate({ lineDash: [0, length], opacity: 0 }, animateCfg);
}
}
};
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import { Vector } from "../Common/vector";
// 包围盒类型
export type BoundingRect = {
x: number;
y: number;
width: number;
height: number;
};
// 包围盒操作
export const Bound = {
/**
* 从点集生成包围盒
* @param points
*/
fromPoints(points: Array<[number, number]>): BoundingRect {
let maxX = -Infinity,
minX = Infinity,
maxY = -Infinity,
minY = Infinity;
points.map(item => {
if(item[0] > maxX) maxX = item[0];
if(item[0] < minX) minX = item[0];
if(item[1] > maxY) maxY = item[1];
if(item[1] < minY) minY = item[1];
});
return {
x: minX,
y: minY,
width: maxX - minX,
height: maxY - minY
};
},
/**
* 由包围盒转化为四个顶点(顺时针)
* @param bound
*/
toPoints(bound: BoundingRect): Array<[number, number]> {
return [
[bound.x, bound.y],
[bound.x + bound.width, bound.y],
[bound.x + bound.width, bound.y + bound.height],
[bound.x, bound.y + bound.height]
];
},
/**
* 求包围盒并集
* @param arg
*/
union(...arg: BoundingRect[]): BoundingRect {
return arg.length > 1?
arg.reduce((total, cur) => {
let minX = total.x < cur.x? total.x: cur.x,
maxX = total.x + total.width < cur.x + cur.width? cur.x + cur.width: total.x + total.width,
minY = total.y < cur.y? total.y: cur.y,
maxY = total.y + total.height < cur.y + cur.height? cur.y + cur.height: total.y + total.height;
return {
x: minX,
y: minY,
width: maxX - minX,
height: maxY - minY
};
}): arg[0];
},
/**
* 包围盒求交集
* @param b1
* @param b2
*/
intersect(b1: BoundingRect, b2: BoundingRect): BoundingRect {
let x, y,
maxX, maxY,
overlapsX,
overlapsY;
if(b1.x < b2.x + b2.width && b1.x + b1.width > b2.x) {
x = b1.x < b2.x? b2.x: b1.x;
maxX = b1.x + b1.width < b2.x + b2.width? b1.x + b1.width: b2.x + b2.width;
overlapsX = maxX - x;
}
if(b1.y < b2.y + b2.height && b1.y + b1.height > b2.y) {
y = b1.y < b2.y? b2.y: b1.y;
maxY = b1.y + b1.height < b2.y + b2.height? b1.y + b1.height: b2.y + b2.height;
overlapsY = maxY - y;
}
if(!overlapsX || !overlapsY) return null;
return {
x,
y,
width: overlapsX,
height: overlapsY
};
},
/**
* 求包围盒旋转后新形成的包围盒
* @param bound
* @param rot
*/
rotation(bound: BoundingRect, rot: number): BoundingRect {
let cx = bound.x + bound.width / 2,
cy = bound.y + bound.height / 2;
return Bound.fromPoints(Bound.toPoints(bound).map(item => Vector.rotation(rot, item, [cx, cy])));
},
/**
* 判断两个包围盒是否相交
* @param b1
* @param b2
*/
isOverlap(b1: BoundingRect, b2: BoundingRect): boolean {
let maxX1 = b1.x + b1.width,
maxY1 = b1.y + b1.height,
maxX2 = b2.x + b2.width,
maxY2 = b2.y + b2.height;
if (b1.x < maxX2 && b2.x < maxX1 && b1.y < maxY2 && b2.y < maxY1) {
return true;
}
return false;
}
};
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import { Util } from "../Common/util";
import { BoundingRect, Bound } from "../View/boundingRect";
import { Vector } from "../Common/vector";
import { Element } from "../Model/modelData";
/**
* element组
*/
export class Group {
id: string;
private elements: Array<Element | Group> = [];
constructor(...arg: Array<Element | Group>) {
this.id = Util.generateId();
if(arg) {
this.add(...arg);
}
}
/**
* 添加element
* @param arg
*/
add(...arg: Array<Element | Group>) {
arg.map(ele => {
this.elements.push(ele);
});
}
/**
* 移除element
* @param element
*/
remove(element: Element | Group) {
Util.removeFromList(this.elements, item => item.id === element.id);
}
/**
* 获取group的包围盒
*/
getBound(): BoundingRect {
return Bound.union(...this.elements.map(item => item.getBound()));
}
/**
* 位移group
* @param dx
* @param dy
*/
translate(dx: number, dy: number) {
this.elements.map(item => {
if(item instanceof Group) {
item.translate(dx, dy);
}
else {
item.set('x', item.get('x') + dx);
item.set('y', item.get('y') + dy);
}
});
}
/**
* 旋转group
* @param rotation
* @param center
*/
rotate(rotation: number, center?: [number, number]) {
// if(rotation === 0) return;
// let {x, y, width, height} = this.getBound(),
// cx = x + width / 2,
// cy = y + height / 2;
// if(center) {
// cx = center[0];
// cy = center[1];
// }
// this.elements.map(item => {
// if(item instanceof Group) {
// item.rotate(rotation, [cx, cy]);
// }
// else {
// let d = Vector.rotation(rotation, [item.x, item.y], [cx, cy]);
// item.x = d[0];
// item.y = d[1];
// item.set('rotation', rotation);
// }
// });
}
/**
* 清空group
*/
clear() {
this.elements.length = 0;
}
}
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import { Util } from "../Common/util";
import { Engine } from "../engine";
import { ConstructedData } from "../Model/modelConstructor";
import { Element, Pointer } from "../Model/modelData";
import { LayoutOptions, PointerOption } from "../options";
import { Bound, BoundingRect } from "./boundingRect";
export class Layouter {
private engine: Engine;
private containerWidth: number;
private containerHeight: number;
constructor(engine: Engine, containerWidth: number, containerHeight: number) {
this.engine = engine;
this.containerWidth = containerWidth;
this.containerHeight = containerHeight;
}
/**
* 将视图调整至画布中心
* @param nodes
*/
private fiTCenter(nodes: (Element | Pointer)[]) {
const viewBound: BoundingRect = nodes.map(item => item.getBound()).reduce((prev, cur) => Bound.union(prev, cur));
let centerX = this.containerWidth / 2, centerY = this.containerHeight / 2,
boundCenterX = viewBound.x + viewBound.width / 2,
boundCenterY = viewBound.y + viewBound.height / 2,
dx = centerX - boundCenterX,
dy = centerY - boundCenterY;
nodes.forEach(item => {
item.set('x', item.get('x') + dx);
item.set('y', item.get('y') + dy)
});
}
/**
* 布局外部指针
* @param pointer
*/
private layoutPointer(pointer: { [key: string]: Pointer[] }) {
Object.keys(pointer).map(name => {
const options: PointerOption = this.engine.pointerOptions[name],
pointerList: Pointer[] = pointer[name],
offset = options.offset || 8;
pointerList.forEach(item => {
let targetBound: BoundingRect = item.target.getBound();
item.set('x', targetBound.x + targetBound.width / 2);
item.set('y', targetBound.y - offset);
});
});
}
/**
* 主布局函数
* @param constructedData
* @param layoutFn
*/
public layout(constructedData: ConstructedData, layoutFn: (element: { [ket: string]: Element[] }, layoutOptions: LayoutOptions) => void) {
const options: LayoutOptions = this.engine.layoutOptions,
nodes: (Element | Pointer)[] = [...Util.converterList(constructedData.element), ...Util.converterList(constructedData.pointer)]
// 布局节点
layoutFn.call(this.engine, constructedData.element, options);
// 布局外部指针
this.layoutPointer(constructedData.pointer);
// 将视图调整到画布中心
options.fitCenter && this.fiTCenter(nodes);
}
}
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import { Util } from "../Common/util";
import { Style } from "../Model/element";
import { Shape } from "./shape";
import { ShapeScheduler } from "./shapeScheduler";
export enum patchType {
ADD,
REMOVE,
POSITION,
PATH,
ROTATION,
SIZE,
STYLE
}
export interface patchInfo {
type: number;
shape: Shape;
}
export class Reconciler {
private shapeScheduler: ShapeScheduler;
constructor(shapeScheduler: ShapeScheduler) {
this.shapeScheduler = shapeScheduler;
}
/**
* 进行图形样式对象的比较
* @param oldStyle
* @param newStyle
*/
reconcileStyle(oldStyle: Style, newStyle: Style): {name: string, old: any, new: any }[] {
let styleName: {name: string, old: any, new: any }[] = [];
Object.keys(newStyle).map(prop => {
if(newStyle[prop] !== oldStyle[prop]) {
styleName.push({
name: prop,
old: oldStyle[prop],
new: newStyle[prop]
});
}
});
return styleName;
}
/**
* 图形间的 differ
* @param shape
*/
reconcileShape(shape: Shape) {
let patchList: patchInfo[] = [];
if(shape.isDirty === false) return;
// 比较图形路径
if(JSON.stringify(shape.prevShapeStatus) !== JSON.stringify(shape.shapeStatus.points)) {
patchList.push({
type: patchType.PATH,
shape
});
}
// 比较图形坐标位置
if(shape.prevShapeStatus.x !== shape.shapeStatus.x || shape.prevShapeStatus.y !== shape.shapeStatus.y) {
patchList.push({
type: patchType.POSITION,
shape
});
}
// 比较旋转角度
if(shape.prevShapeStatus.rotation !== shape.shapeStatus.rotation) {
patchList.push({
type: patchType.ROTATION,
shape
});
}
// 比较尺寸
if(shape.prevShapeStatus.width !== shape.shapeStatus.width || shape.prevShapeStatus.height !== shape.shapeStatus.height) {
patchList.push({
type: patchType.SIZE,
shape
});
}
// 比较样式
let style = this.reconcileStyle(shape.prevShapeStatus.style, shape.shapeStatus.style);
if(style.length) {
patchList.push({
type: patchType.STYLE,
shape
});
}
// 对变化进行更新
this.patch(patchList);
}
/**
*
* @param container
* @param shapeList
*/
reconcileShapeList(container: { [key: string]: Shape[] }, shapeList: Shape[]) {
let patchList: patchInfo[] = [];
for(let i = 0; i < shapeList.length; i++) {
let shape = shapeList[i],
name = shape.type;
// 若发现存在于新视图模型而不存在于旧视图模型的图形,则该图形都标记为 ADD
if(container[name] === undefined) {
patchList.push({
type: patchType.ADD,
shape
});
}
else {
let oldShape = container[name].find(item => item.id === shape.id);
// 若旧图形列表存在对应的图形,进行 shape 间 differ
if(oldShape) {
oldShape.isReconcilerVisited = true;
this.reconcileShape(shape);
}
// 若发现存在于新视图模型而不存在于旧视图模型的图形,则该图形都标记为 ADD
else {
patchList.push({
type: patchType.ADD,
shape
});
}
}
}
// 在旧视图容器中寻找未访问过的图形,表明该图形该图形需要移除
Object.keys(container).forEach(key => {
container[key].forEach(shape => {
if(shape.isReconcilerVisited === false) {
patchList.push({
type: patchType.REMOVE,
shape,
});
}
shape.isReconcilerVisited = false;
});
});
this.patch(patchList);
}
/**
* 对修改的视图进行补丁更新
* @param patchList
*/
patch(patchList: patchInfo[]) {
let patch: patchInfo,
shape: Shape,
i;
for(i = 0; i < patchList.length; i++) {
patch = patchList[i];
shape = patch.shape;
switch(patch.type) {
case patchType.ADD: {
this.shapeScheduler.appendShape(shape);
this.shapeScheduler.emitAnimation(shape, 'append');
break;
}
case patchType.REMOVE: {
this.shapeScheduler.removeShape(shape);
this.shapeScheduler.emitAnimation(shape, 'remove');
break;
}
case patchType.PATH: {
shape.prevShapeStatus.points = shape.shapeStatus.points;
this.shapeScheduler.emitAnimation(shape, 'path');
}
case patchType.POSITION: {
shape.prevShapeStatus.x = shape.shapeStatus.x;
shape.prevShapeStatus.y = shape.shapeStatus.y;
this.shapeScheduler.emitAnimation(shape, 'position');
break;
}
case patchType.ROTATION: {
shape.prevShapeStatus.rotation = shape.shapeStatus.rotation;
this.shapeScheduler.emitAnimation(shape, 'rotation');
break;
}
case patchType.SIZE: {
shape.prevShapeStatus.width = shape.shapeStatus.width;
shape.prevShapeStatus.height = shape.shapeStatus.height;
this.shapeScheduler.emitAnimation(shape, 'size');
break;
}
case patchType.STYLE: {
shape.prevShapeStatus.style = Util.clone(shape.shapeStatus.style);
this.shapeScheduler.emitAnimation(shape, 'style');
break;
}
default: {
break;
}
}
}
}
}
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import { Engine } from '../engine';
import { Element, G6EdgeModel, G6NodeModel, Link, Pointer } from '../Model/modelData';
import { ConstructedData } from '../Model/modelConstructor';
import { Util } from '../Common/util';
import { Animations } from './animation';
import { SV } from '../StructV';
export interface G6Data {
nodes: G6NodeModel[];
edges: G6EdgeModel[];
};
export class Renderer {
constructor() {
private engine: Engine;
private DOMContainer: HTMLElement;
private animations: Animations;
private isFirstRender: boolean;
private prevRenderData: G6Data;
private graphInstance;
private helpGraphInstance;
constructor(engine: Engine, DOMContainer: HTMLElement, containerWidth: number, containerHeight: number) {
this.engine = engine;
this.DOMContainer = DOMContainer;
this.isFirstRender = true;
this.prevRenderData = {
nodes: [],
edges: []
};
const enable: boolean = this.engine.animationOptions.enable === undefined? true: this.engine.animationOptions.enable,
duration: number = this.engine.animationOptions.duration,
timingFunction: string = this.engine.animationOptions.timingFunction;
this.graphInstance = new SV.G6.Graph({
container: DOMContainer,
width: containerWidth,
height: containerHeight,
animate: enable,
animateCfg: {
duration: duration,
easing: timingFunction
},
fitView: this.engine.layoutOptions.fitView,
modes: {
default: ['drag-canvas', 'zoom-canvas', 'drag-node']
}
});
this.helpGraphInstance = new SV.G6.Graph({
container: DOMContainer.cloneNode()
});
this.animations = new Animations(duration, timingFunction);
this.initBehavior();
}
applyAnimation() {
/**
* 初始化交互
*/
private initBehavior() {
this.graphInstance.on('node:drag', (() => {
let pointer = null;
return ev => {
if(pointer === null) {
pointer = this.graphInstance.findById(ev.item.getModel().externalPointerId);
}
if(pointer) {
pointer.updatePosition({
x: ev.canvasX,
y: ev.canvasY
});
}
console.log(ev);
}
})());
}
/**
* 对比上一次和该次 G6Data 找出新添加的节点和边
* @param prevData
* @param data
*/
private diffAppendItems(prevData: G6Data, data: G6Data): G6Data {
return {
nodes: data.nodes.filter(item => !prevData.nodes.find(n => n.id === item.id)),
edges: data.edges.filter(item => !prevData.edges.find(e => e.id === item.id))
};
}
/**
* 对比上一次和该次 G6Data 找出被删除的节点和边
* @param prevData
* @param data
*/
private diffRemoveItems(prevData: G6Data, data: G6Data): G6Data {
return {
nodes: prevData.nodes.filter(item => !data.nodes.find(n => n.id === item.id)),
edges: prevData.edges.filter(item => !data.edges.find(e => e.id === item.id))
};
}
/**
* 处理新增的 G6Item(主要是动画)
* @param appendData
*/
private handleAppendItems(appendData: G6Data) {
const appendItems = [
...appendData.nodes.map(item => this.graphInstance.findById(item.id)),
...appendData.edges.map(item => this.graphInstance.findById(item.id))
];
appendItems.forEach(item => {
this.animations.append(item);
});
}
/**
* 处理被移除的 G6Item(主要是动画)
* @param removeData
*/
private handleRemoveItems(removeData: G6Data) {
const removeItems = [
...removeData.nodes.map(item => this.graphInstance.findById(item.id)),
...removeData.edges.map(item => this.graphInstance.findById(item.id))
];
removeItems.forEach(item => {
this.animations.remove(item, () => {
this.graphInstance.removeItem(item);
});
});
}
/**
* 构建 G6 元素
* @param constructedData
*/
public build(constructedData: ConstructedData) {
let elementList: Element[] = Util.converterList(constructedData.element),
linkList: Link[] = Util.converterList(constructedData.link),
pointerList: Pointer[] = Util.converterList(constructedData.pointer),
nodeList = [...elementList.map(item => item.props), ...pointerList.map(item => item.props)],
edgeList = linkList.map(item => item.props),
list = [...elementList, ...linkList, ...pointerList];
const data: G6Data = {
nodes: <G6NodeModel[]>nodeList,
edges: <G6EdgeModel[]>edgeList
};
this.helpGraphInstance.clear();
this.helpGraphInstance.read(data);
list.forEach(item => {
item.G6Item = this.helpGraphInstance.findById(item.id);
item.afterInitG6Item();
});
}
/**
* 渲染函数
* @param constructedData
*/
public render(constructedData: ConstructedData) {
let data: G6Data = Util.convertG6Data(constructedData),
renderData: G6Data = null,
appendData: G6Data = null,
removeData: G6Data = null;
appendData = this.diffAppendItems(this.prevRenderData, data);
removeData = this.diffRemoveItems(this.prevRenderData, data);
renderData = {
nodes: [...data.nodes, ...removeData.nodes],
edges: [...data.edges, ...removeData.edges]
};
this.prevRenderData = data;
if(this.isFirstRender) {
this.graphInstance.read(renderData);
this.isFirstRender = false;
}
else {
this.graphInstance.changeData(renderData);
}
this.handleAppendItems(appendData);
this.handleRemoveItems(removeData);
if(this.engine.layoutOptions.fitView) {
this.graphInstance.fitView();
}
}
/**
* 绑定 G6 事件
* @param eventName
* @param callback
*/
public on(eventName: string, callback: Function) {
if(this.graphInstance) {
this.graphInstance.on(eventName, callback)
}
}
}
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import { Util } from "../Common/util";
import { Element, Style } from "../Model/element";
import { Group, zrShape, ZrShapeConstructor } from "./shapeScheduler";
export interface ShapeStatus {
x: number;
y: number;
rotation: number;
zIndex: number;
width: number;
height: number;
content: string;
points: [number, number][];
style: Style;
};
export class Shape {
id: string = '';
type: string = '';
zrConstructor: ZrShapeConstructor = null;
zrShape: zrShape = null;
targetElement: Element = null;
parentGroup: Group = null;
shapeStatus: ShapeStatus = {
x: 0, y: 0,
rotation: 0,
width: 0,
height: 0,
zIndex: 1,
content: '',
points: [],
style: {
fill: '#000',
text: '',
textFill: '#000',
fontSize: 15,
fontWeight: null,
stroke: null,
opacity: 1,
transformText: true,
lineWidth: 1
}
};
prevShapeStatus: ShapeStatus = null;
isDirty: boolean = false;
isReconcilerVisited: boolean = false;
constructor(id: string, zrConstructor: ZrShapeConstructor, element: Element) {
this.id = id;
this.type = Util.getClassName(zrConstructor);
this.targetElement = element;
this.zrConstructor = zrConstructor;
this.zrShape = new zrConstructor();
this.prevShapeStatus = Util.clone(this.shapeStatus);
}
/**
* 设置属性
* @param propName
* @param props
* @param sync
*/
attr(propName: string, props: any, sync: boolean = false) {
if(this.shapeStatus[propName] === undefined) return;
if(propName === 'style') {
Util.merge(this.shapeStatus.style, props);
}
else {
this.shapeStatus[propName] = props;
}
if(sync) {
this.zrShape.attr(propName, props);
}
}
updateShape() {
}
};
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import { Util } from "../Common/util";
import { Engine } from "../engine";
import { Shape } from "./shape";
import * as zrender from "zrender";
import { Element } from "../Model/element";
export type zrShape = any;
export type Group = any;
export type ZrShapeConstructor = { new(): zrShape };
export class ShapeScheduler {
private engine: Engine;
private shapeList: Shape[] = [];
private shapeTable: { [key: string]: Shape[] } = {};
private parentGroupList: Group[] = [];
private appendList: Shape[] = [];
private removeList: Shape[] = [];
constructor(engine: Engine) {
this.engine = engine;
}
/**
*
* @param id
* @param zrShapeConstructors
* @param element
*/
public createShape(id: string, zrShapeConstructors: ZrShapeConstructor, element: Element): Shape {
let shapeType = Util.getClassName(zrShapeConstructors),
shape = this.getReuseShape(id, shapeType);
if(shape === null) {
shape = new Shape(id, zrShapeConstructors, element);
}
return shape;
}
/**
*
* @param shapes
*/
public packShapes(shapes: Shape[]){
let group: Group = new zrender.Group(),
shape: Shape;
for(let i = 0; i < shapes.length; i++) {
shape = shapes[i];
group.add(shape.zrShape);
shape.parentGroup = group;
}
this.parentGroupList.push(group);
}
/**
*
* @param shape
*/
public appendShape(shape: Shape) {
let shapeType = shape.type;
if(this.shapeTable[shapeType] === undefined) {
this.shapeTable[shapeType] = [];
}
this.shapeTable[shapeType].push(shape);
this.shapeList.push(shape);
this.appendList.push(shape);
}
/**
*
* @param shape
*/
public removeShape(shape: Shape) {
let shapeType = shape.type;
Util.removeFromList(this.shapeTable[shapeType], item => item.id === shape.id);
if(this.shapeTable[shapeType].length === 0) {
delete this.shapeTable[shapeType];
}
Util.removeFromList(this.shapeList, item => item.id === shape.id);
this.removeList.push(shape);
}
/**
*
* @param shape
* @param animationType
*/
public emitAnimation(shape: Shape, animationType: string) {
}
/**
*
* @param id
* @param shapeType
*/
private getReuseShape(id: string, shapeType: string): Shape {
if(this.shapeTable[shapeType] !== undefined) {
let reuseShape = this.shapeTable[shapeType].find(item => item.id === id);
if(reuseShape) return reuseShape;
}
return null;
}
/**
*
*/
public reset() {
this.appendList.length = 0;
this.removeList.length = 0;
}
};