@foblex/flow
Version:
An Angular library designed to simplify the creation and manipulation of dynamic flow. Provides components for flows, nodes, and connections, automating node manipulation and inter-node connections.
57 lines • 10.9 kB
JavaScript
import { PointExtensions, RoundedRect } from '@foblex/2d';
import { FMediator } from '@foblex/mediator';
import { CalculateConnectionLineByBehaviorRequest, GetConnectorAndRectRequest } from '../../../domain';
import { FComponentsStore } from '../../../f-storage';
export class BaseConnectionDragHandler {
fConnection;
_fMediator;
_fComponentsStore;
_fOutputWithRect;
_fInputWithRect;
get _fOutput() {
const result = this._fComponentsStore.fOutputs.find((x) => x.fId === this.fConnection.fOutputId);
if (!result) {
throw new Error(this._connectorNotFoundPrefix(`fOutput with id ${this.fConnection.fOutputId} not found`));
}
return result;
}
get _fInput() {
const result = this._fComponentsStore.fInputs.find((x) => x.fId === this.fConnection.fInputId);
if (!result) {
throw new Error(this._connectorNotFoundPrefix(`fInput with id ${this.fConnection.fInputId} not found`));
}
return result;
}
_sourceDifference = PointExtensions.initialize();
_targetDifference = PointExtensions.initialize();
constructor(_injector, fConnection) {
this.fConnection = fConnection;
this._fMediator = _injector.get(FMediator);
this._fComponentsStore = _injector.get(FComponentsStore);
this._initialize();
}
_initialize() {
this._fOutputWithRect = this._fMediator.execute(new GetConnectorAndRectRequest(this._fOutput));
this._fInputWithRect = this._fMediator.execute(new GetConnectorAndRectRequest(this._fInput));
}
setSourceDifference(difference) {
this._sourceDifference = difference;
}
setTargetDifference(difference) {
this._targetDifference = difference;
}
redraw() {
this._redrawConnection(this._recalculateConnection());
}
_recalculateConnection() {
return this._fMediator.execute(new CalculateConnectionLineByBehaviorRequest(RoundedRect.fromRoundedRect(this._fOutputWithRect.fRect).addPoint(this._sourceDifference), RoundedRect.fromRoundedRect(this._fInputWithRect.fRect).addPoint(this._targetDifference), this.fConnection.fBehavior, this._fOutputWithRect.fConnector.fConnectableSide, this._fInputWithRect.fConnector.fConnectableSide));
}
_redrawConnection(line) {
this.fConnection.setLine(line, this._fOutputWithRect.fConnector.fConnectableSide, this._fInputWithRect.fConnector.fConnectableSide);
this.fConnection.redraw();
}
_connectorNotFoundPrefix(message) {
return `ConnectionDragHandler Error: Connection From (fOutput)${this.fConnection.fOutputId} To (fInput)${this.fConnection.fInputId}. ${message}. Please ensure that all f-connections are associated with existing connectors`;
}
}
//# 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{ ILine, IPoint, PointExtensions, RoundedRect } from '@foblex/2d';\nimport { FMediator } from '@foblex/mediator';\nimport {\n  CalculateConnectionLineByBehaviorRequest,\n  GetConnectorAndRectRequest,\n  IConnectorAndRect\n} from '../../../domain';\nimport { FConnectorBase } from '../../../f-connectors';\nimport { FComponentsStore } from '../../../f-storage';\nimport { FConnectionBase } from '../../../f-connection';\nimport { Injector } from '@angular/core';\n\nexport class BaseConnectionDragHandler {\n\n  private readonly _fMediator: FMediator;\n  private readonly _fComponentsStore: FComponentsStore;\n\n  private _fOutputWithRect!: IConnectorAndRect;\n  private _fInputWithRect!: IConnectorAndRect;\n\n  private get _fOutput(): FConnectorBase {\n    const result = this._fComponentsStore.fOutputs.find((x) => x.fId === this.fConnection.fOutputId)!;\n    if (!result) {\n      throw new Error(this._connectorNotFoundPrefix(`fOutput with id ${ this.fConnection.fOutputId } not found`));\n    }\n    return result;\n  }\n\n  private get _fInput(): FConnectorBase {\n    const result = this._fComponentsStore.fInputs.find((x) => x.fId === this.fConnection.fInputId)!;\n    if (!result) {\n      throw new Error(this._connectorNotFoundPrefix(`fInput with id ${ this.fConnection.fInputId } not found`));\n    }\n    return result;\n  }\n\n  private _sourceDifference = PointExtensions.initialize();\n  private _targetDifference = PointExtensions.initialize();\n\n  constructor(\n    _injector: Injector,\n    public fConnection: FConnectionBase,\n  ) {\n    this._fMediator = _injector.get(FMediator);\n    this._fComponentsStore = _injector.get(FComponentsStore);\n    this._initialize();\n  }\n\n  private _initialize(): void {\n    this._fOutputWithRect = this._fMediator.execute<IConnectorAndRect>(new GetConnectorAndRectRequest(this._fOutput));\n    this._fInputWithRect = this._fMediator.execute<IConnectorAndRect>(new GetConnectorAndRectRequest(this._fInput));\n  }\n\n  public setSourceDifference(difference: IPoint): void {\n    this._sourceDifference = difference;\n  }\n\n  public setTargetDifference(difference: IPoint): void {\n    this._targetDifference = difference;\n  }\n\n  protected redraw(): void {\n    this._redrawConnection(this._recalculateConnection());\n  }\n\n  private _recalculateConnection(): ILine {\n    return this._fMediator.execute<ILine>(new CalculateConnectionLineByBehaviorRequest(\n      RoundedRect.fromRoundedRect(this._fOutputWithRect.fRect).addPoint(this._sourceDifference),\n      RoundedRect.fromRoundedRect(this._fInputWithRect.fRect).addPoint(this._targetDifference),\n      this.fConnection.fBehavior,\n      this._fOutputWithRect.fConnector.fConnectableSide,\n      this._fInputWithRect.fConnector.fConnectableSide\n    ));\n  }\n\n  private _redrawConnection(line: ILine): void {\n    this.fConnection.setLine(\n      line,\n      this._fOutputWithRect.fConnector.fConnectableSide,\n      this._fInputWithRect.fConnector.fConnectableSide\n    );\n    this.fConnection.redraw();\n  }\n\n  private _connectorNotFoundPrefix(message: string): string {\n    return `ConnectionDragHandler Error: Connection From (fOutput)${ this.fConnection.fOutputId } To (fInput)${ this.fConnection.fInputId }. ${ message }. Please ensure that all f-connections are associated with existing connectors`;\n  }\n}\n"]}