ngx-diagrams
Version:
> Light Weight, Modular, Typed Diagram Engine for Angular
172 lines • 20.9 kB
JavaScript
import { createValueState } from '../state/state';
import { BaseModel } from './base.model';
import { PointModel } from './point.model';
export class LinkModel extends BaseModel {
constructor(linkType = 'default', id, logPrefix = '[Link]') {
super(linkType, id, logPrefix);
this.label$ = createValueState(null, this.entityPipe('label'));
this.points = [new PointModel(this, { x: 0, y: 0 }), new PointModel(this, { x: 0, y: 0 })];
this.extras = {};
this.sourcePort = null;
this.targetPort = null;
}
serialize() {
var _a;
const serializedPoints = this.points.map((point) => point.serialize());
const label = (_a = this.getLabel()) === null || _a === void 0 ? void 0 : _a.serialize();
return Object.assign(Object.assign({}, super.serialize()), { name: this.getName(), sourcePort: this.getSourcePort().id, targetPort: this.getTargetPort().id, extras: this.getExtras(), points: serializedPoints, label });
}
setName(name) {
this.name = name;
}
getName() {
return this.name;
}
getExtras() {
return this.extras;
}
setExtras(extras) {
this.extras = extras;
}
destroy() {
if (this.sourcePort) {
this.sourcePort.removeLink(this);
}
if (this.targetPort) {
this.targetPort.removeLink(this);
}
super.destroy();
}
doClone(lookupTable = {}, clone) {
clone.setPoints(this.getPoints().map((point) => {
return point.clone(lookupTable);
}));
if (this.sourcePort) {
clone.setSourcePort(this.sourcePort.clone(lookupTable));
}
if (this.targetPort) {
clone.setTargetPort(this.targetPort.clone(lookupTable));
}
}
isLastPoint(point) {
const index = this.getPointIndex(point);
return index === this.points.length - 1;
}
getPointIndex(point) {
return this.points.indexOf(point);
}
getPointModel(id) {
for (const point of this.points) {
if (point.id === id) {
return point;
}
}
return null;
}
getPortForPoint(point) {
if (this.sourcePort !== null && this.getFirstPoint().id === point.id) {
return this.sourcePort;
}
if (this.targetPort !== null && this.getLastPoint().id === point.id) {
return this.targetPort;
}
return null;
}
getPointForPort(port) {
if (this.sourcePort !== null && this.sourcePort.id === port.id) {
return this.getFirstPoint();
}
if (this.targetPort !== null && this.targetPort.id === port.id) {
return this.getLastPoint();
}
return null;
}
getFirstPoint() {
return this.points[0];
}
getLastPoint() {
return this.points[this.points.length - 1];
}
setSourcePort(port) {
if (port !== null) {
port.addLink(this);
}
if (this.sourcePort !== null) {
this.sourcePort.removeLink(this);
}
this.sourcePort = port;
}
getSourcePort() {
return this.sourcePort;
}
getTargetPort() {
return this.targetPort;
}
setTargetPort(port) {
if (port !== null) {
port.addLink(this);
}
if (this.targetPort !== null) {
this.targetPort.removeLink(this);
}
this.targetPort = port;
}
point({ x, y }) {
return this.addPoint(this.generatePoint({ x, y }));
}
getPoints() {
return this.points;
}
setPoints(points) {
points.forEach((point) => {
point.setParent(this);
});
this.points = points;
}
setLabel(label) {
label.setParent(this);
this.label$.set(label).emit();
}
selectLabel() {
return this.label$.value$;
}
getLabel() {
return this.label$.value;
}
resetLabel() {
const currentLabel = this.getLabel();
if (currentLabel) {
currentLabel.setParent(null);
currentLabel.setPainted(false);
}
this.setLabel(null);
}
removePoint(pointModel) {
this.points.splice(this.getPointIndex(pointModel), 1);
}
removePointsBefore(pointModel) {
this.points.splice(0, this.getPointIndex(pointModel));
}
removePointsAfter(pointModel) {
this.points.splice(this.getPointIndex(pointModel) + 1);
}
removeMiddlePoints() {
if (this.points.length > 2) {
this.points.splice(0, this.points.length - 2);
}
}
addPoint(pointModel, index = 1) {
pointModel.setParent(this);
pointModel.setLocked(this.getLocked());
this.points.splice(index, 0, pointModel);
return pointModel;
}
generatePoint({ x = 0, y = 0 }) {
return new PointModel(this, { x, y });
}
setLocked(locked = true) {
super.setLocked(locked);
this.points.forEach((point) => point.setLocked(locked));
}
}
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{ Observable } from 'rxjs';\nimport { Coords } from '../interfaces/coords.interface';\nimport { SerializedLinkModel } from '../interfaces/serialization.interface';\nimport { DiagramEngine } from '../services/engine.service';\nimport { createValueState } from '../state/state';\nimport { ID } from '../utils/tool-kit.util';\nimport { BaseModel } from './base.model';\nimport { DiagramModel } from './diagram.model';\nimport { LabelModel } from './label.model';\nimport { PointModel } from './point.model';\nimport { PortModel } from './port.model';\n\nexport class LinkModel extends BaseModel<DiagramModel> {\n  diagramEngine: DiagramEngine;\n\n  // TODO: decide what should be reactive using RXJS\n  protected name: string;\n  protected sourcePort: PortModel | null;\n  protected targetPort: PortModel | null;\n  protected points: PointModel[];\n  protected extras: any;\n\n  protected label$ = createValueState<LabelModel>(null, this.entityPipe('label'));\n\n  constructor(linkType = 'default', id?: string, logPrefix = '[Link]') {\n    super(linkType, id, logPrefix);\n    this.points = [new PointModel(this, { x: 0, y: 0 }), new PointModel(this, { x: 0, y: 0 })];\n    this.extras = {};\n    this.sourcePort = null;\n    this.targetPort = null;\n  }\n\n  serialize(): SerializedLinkModel {\n    const serializedPoints = this.points.map((point) => point.serialize());\n    const label = this.getLabel()?.serialize();\n    return {\n      ...super.serialize(),\n      name: this.getName(),\n      sourcePort: this.getSourcePort().id,\n      targetPort: this.getTargetPort().id,\n      extras: this.getExtras(),\n      points: serializedPoints,\n      label\n    };\n  }\n\n  setName(name: string) {\n    this.name = name;\n  }\n\n  getName(): string {\n    return this.name;\n  }\n\n  getExtras(): any {\n    return this.extras;\n  }\n\n  setExtras(extras: any) {\n    this.extras = extras;\n  }\n\n  destroy() {\n    if (this.sourcePort) {\n      this.sourcePort.removeLink(this);\n    }\n\n    if (this.targetPort) {\n      this.targetPort.removeLink(this);\n    }\n\n    super.destroy();\n  }\n\n  doClone(lookupTable = {}, clone) {\n    clone.setPoints(\n      this.getPoints().map((point: PointModel) => {\n        return point.clone(lookupTable);\n      })\n    );\n    if (this.sourcePort) {\n      clone.setSourcePort(this.sourcePort.clone(lookupTable));\n    }\n    if (this.targetPort) {\n      clone.setTargetPort(this.targetPort.clone(lookupTable));\n    }\n  }\n\n  isLastPoint(point: PointModel) {\n    const index = this.getPointIndex(point);\n    return index === this.points.length - 1;\n  }\n\n  getPointIndex(point: PointModel) {\n    return this.points.indexOf(point);\n  }\n\n  getPointModel(id: ID): PointModel | null {\n    for (const point of this.points) {\n      if (point.id === id) {\n        return point;\n      }\n    }\n    return null;\n  }\n\n  getPortForPoint(point: PointModel): PortModel {\n    if (this.sourcePort !== null && this.getFirstPoint().id === point.id) {\n      return this.sourcePort;\n    }\n    if (this.targetPort !== null && this.getLastPoint().id === point.id) {\n      return this.targetPort;\n    }\n    return null;\n  }\n\n  getPointForPort(port: PortModel): PointModel {\n    if (this.sourcePort !== null && this.sourcePort.id === port.id) {\n      return this.getFirstPoint();\n    }\n\n    if (this.targetPort !== null && this.targetPort.id === port.id) {\n      return this.getLastPoint();\n    }\n\n    return null;\n  }\n\n  getFirstPoint(): PointModel {\n    return this.points[0];\n  }\n\n  getLastPoint(): PointModel {\n    return this.points[this.points.length - 1];\n  }\n\n  setSourcePort(port: PortModel) {\n    if (port !== null) {\n      port.addLink(this);\n    }\n    if (this.sourcePort !== null) {\n      this.sourcePort.removeLink(this);\n    }\n    this.sourcePort = port;\n  }\n\n  getSourcePort(): PortModel {\n    return this.sourcePort;\n  }\n\n  getTargetPort(): PortModel {\n    return this.targetPort;\n  }\n\n  setTargetPort(port: PortModel) {\n    if (port !== null) {\n      port.addLink(this);\n    }\n    if (this.targetPort !== null) {\n      this.targetPort.removeLink(this);\n    }\n    this.targetPort = port;\n  }\n\n  point({ x, y }: Coords): PointModel {\n    return this.addPoint(this.generatePoint({ x, y }));\n  }\n\n  getPoints(): PointModel[] {\n    return this.points;\n  }\n\n  setPoints(points: PointModel[]) {\n    points.forEach((point) => {\n      point.setParent(this);\n    });\n    this.points = points;\n  }\n\n  setLabel(label: LabelModel) {\n    label.setParent(this);\n    this.label$.set(label).emit();\n  }\n\n  selectLabel(): Observable<LabelModel | null> {\n    return this.label$.value$;\n  }\n\n  getLabel(): LabelModel {\n    return this.label$.value;\n  }\n\n  resetLabel() {\n    const currentLabel = this.getLabel();\n\n    if (currentLabel) {\n      currentLabel.setParent(null);\n      currentLabel.setPainted(false);\n    }\n\n    this.setLabel(null);\n  }\n\n  removePoint(pointModel: PointModel) {\n    this.points.splice(this.getPointIndex(pointModel), 1);\n  }\n\n  removePointsBefore(pointModel: PointModel) {\n    this.points.splice(0, this.getPointIndex(pointModel));\n  }\n\n  removePointsAfter(pointModel: PointModel) {\n    this.points.splice(this.getPointIndex(pointModel) + 1);\n  }\n\n  removeMiddlePoints() {\n    if (this.points.length > 2) {\n      this.points.splice(0, this.points.length - 2);\n    }\n  }\n\n  addPoint<P extends PointModel>(pointModel: P, index = 1): P {\n    pointModel.setParent(this);\n    pointModel.setLocked(this.getLocked());\n    this.points.splice(index, 0, pointModel);\n    return pointModel;\n  }\n\n  generatePoint({ x = 0, y = 0 }: Coords): PointModel {\n    return new PointModel(this, { x, y });\n  }\n\n  setLocked(locked = true) {\n    super.setLocked(locked);\n    this.points.forEach((point) => point.setLocked(locked));\n  }\n}\n"]}