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@foblex/flow

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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.

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import { __decorate } from "tslib"; import { inject, Injectable, Injector } from '@angular/core'; import { FNodeRotatePreparationRequest } from './f-node-rotate-preparation.request'; import { Point } from '@foblex/2d'; import { FExecutionRegister, FMediator } from '@foblex/mediator'; import { FComponentsStore } from '../../../f-storage'; import { FDraggableDataContext } from '../../f-draggable-data-context'; import { CalculateInputConnectionsRequest, CalculateOutputConnectionsRequest, GetNormalizedElementRectRequest, isValidEventTrigger, SelectAndUpdateNodeLayerRequest, } from '../../../domain'; import { isRotateHandle } from '../../../f-node'; import { FNodeRotateDragHandler } from '../f-node-rotate.drag-handler'; import { SourceConnectionDragHandler, TargetConnectionDragHandler } from '../../f-node-move'; import * as i0 from "@angular/core"; let FNodeRotatePreparationExecution = class FNodeRotatePreparationExecution { _fMediator = inject(FMediator); _fComponentsStore = inject(FComponentsStore); _fDraggableDataContext = inject(FDraggableDataContext); _injector = inject(Injector); get _transform() { return this._fComponentsStore.fCanvas.transform; } get _fHost() { return this._fComponentsStore.fFlow.hostElement; } _fNode; handle(request) { if (!this._isValid(request) || !this._isValidTrigger(request)) { return; } this._selectAndUpdateNodeLayer(); this._fDraggableDataContext.onPointerDownScale = this._transform.scale; this._fDraggableDataContext.onPointerDownPosition = Point.fromPoint(request.event.getPosition()) .elementTransform(this._fHost).div(this._transform.scale); this._fDraggableDataContext.draggableItems = [ new FNodeRotateDragHandler(this._injector, this._fNode, this._calculateOutputConnectionsDragHandlers(), this._calculateInputConnectionsDragHandlers()) ]; } _isValid(request) { return this._fDraggableDataContext.isEmpty() && isRotateHandle(request.event.targetElement) && this._isNodeCanBeDragged(this._getNode(request.event.targetElement)); } _isNodeCanBeDragged(fNode) { return !!fNode && !fNode.fDraggingDisabled; } _getNode(element) { this._fNode = this._fComponentsStore .fNodes.find(x => x.isContains(element)); return this._fNode; } _isValidTrigger(request) { return isValidEventTrigger(request.event.originalEvent, request.fTrigger); } _selectAndUpdateNodeLayer() { this._fMediator.execute(new SelectAndUpdateNodeLayerRequest(this._fNode)); } _calculateInputConnectionsDragHandlers() { return this._fMediator.execute(new CalculateInputConnectionsRequest(this._fNode)).map((x) => { const connector = this._fComponentsStore.fInputs.find((y) => y.fId === x.fInputId).hostElement; return { connection: new TargetConnectionDragHandler(this._injector, x), connector: this._fMediator.execute(new GetNormalizedElementRectRequest(connector)).gravityCenter }; }); } _calculateOutputConnectionsDragHandlers() { return this._fMediator.execute(new CalculateOutputConnectionsRequest(this._fNode)).map((x) => { const connector = this._fComponentsStore.fOutputs.find((y) => y.fId === x.fOutputId).hostElement; return { connection: new SourceConnectionDragHandler(this._injector, x), connector: this._fMediator.execute(new GetNormalizedElementRectRequest(connector)).gravityCenter }; }); } static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: FNodeRotatePreparationExecution, deps: [], target: i0.ɵɵFactoryTarget.Injectable }); static ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: FNodeRotatePreparationExecution }); }; FNodeRotatePreparationExecution = __decorate([ FExecutionRegister(FNodeRotatePreparationRequest) ], FNodeRotatePreparationExecution); export { FNodeRotatePreparationExecution }; i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: FNodeRotatePreparationExecution, decorators: [{ type: Injectable }] }); //# 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{ inject, Injectable, Injector } from '@angular/core';\nimport { FNodeRotatePreparationRequest } from './f-node-rotate-preparation.request';\nimport { IPoint, IRect, ITransformModel, Point, RectExtensions } from '@foblex/2d';\nimport { FExecutionRegister, FMediator, IExecution } from '@foblex/mediator';\nimport { FComponentsStore } from '../../../f-storage';\nimport { FDraggableDataContext } from '../../f-draggable-data-context';\nimport {\n  CalculateInputConnectionsRequest, CalculateOutputConnectionsRequest, GetNormalizedElementRectRequest,\n  isValidEventTrigger,\n  SelectAndUpdateNodeLayerRequest,\n} from '../../../domain';\nimport { FNodeBase, isRotateHandle } from '../../../f-node';\nimport { FNodeRotateDragHandler } from '../f-node-rotate.drag-handler';\nimport { BaseConnectionDragHandler, SourceConnectionDragHandler, TargetConnectionDragHandler } from '../../f-node-move';\nimport { FConnectionBase } from '../../../f-connection';\n\n@Injectable()\n@FExecutionRegister(FNodeRotatePreparationRequest)\nexport class FNodeRotatePreparationExecution implements IExecution<FNodeRotatePreparationRequest, void> {\n\n  private readonly _fMediator = inject(FMediator);\n  private readonly _fComponentsStore = inject(FComponentsStore);\n  private readonly _fDraggableDataContext = inject(FDraggableDataContext);\n  private readonly _injector = inject(Injector);\n\n  private get _transform(): ITransformModel {\n    return this._fComponentsStore.fCanvas!.transform;\n  }\n\n  private get _fHost(): HTMLElement {\n    return this._fComponentsStore.fFlow!.hostElement;\n  }\n\n  private _fNode: FNodeBase | undefined;\n\n  public handle(request: FNodeRotatePreparationRequest): void {\n    if (!this._isValid(request) || !this._isValidTrigger(request)) {\n      return;\n    }\n\n    this._selectAndUpdateNodeLayer();\n\n    this._fDraggableDataContext.onPointerDownScale = this._transform.scale;\n    this._fDraggableDataContext.onPointerDownPosition = Point.fromPoint(request.event.getPosition())\n      .elementTransform(this._fHost).div(this._transform.scale);\n\n    this._fDraggableDataContext.draggableItems = [\n      new FNodeRotateDragHandler(\n        this._injector,\n        this._fNode!,\n        this._calculateOutputConnectionsDragHandlers(),\n        this._calculateInputConnectionsDragHandlers(),\n      )\n    ];\n  }\n\n  private _isValid(request: FNodeRotatePreparationRequest): boolean {\n    return this._fDraggableDataContext.isEmpty()\n      && isRotateHandle(request.event.targetElement)\n      && this._isNodeCanBeDragged(this._getNode(request.event.targetElement));\n  }\n\n  private _isNodeCanBeDragged(fNode?: FNodeBase): boolean {\n    return !!fNode && !fNode.fDraggingDisabled;\n  }\n\n  private _getNode(element: HTMLElement): FNodeBase | undefined {\n    this._fNode = this._fComponentsStore\n      .fNodes.find(x => x.isContains(element));\n    return this._fNode;\n  }\n\n  private _isValidTrigger(request: FNodeRotatePreparationRequest): boolean {\n    return isValidEventTrigger(request.event.originalEvent, request.fTrigger);\n  }\n\n  private _selectAndUpdateNodeLayer() {\n    this._fMediator.execute(\n      new SelectAndUpdateNodeLayerRequest(this._fNode!)\n    );\n  }\n\n  private _calculateInputConnectionsDragHandlers(): {\n    connection: BaseConnectionDragHandler,\n    connector: IPoint,\n  }[] {\n    return this._fMediator.execute<FConnectionBase[]>(\n      new CalculateInputConnectionsRequest(this._fNode!)\n    ).map((x: FConnectionBase) => {\n      const connector = this._fComponentsStore.fInputs.find((y) => y.fId === x.fInputId)!.hostElement;\n      return {\n        connection: new TargetConnectionDragHandler(this._injector, x),\n        connector: this._fMediator.execute<IRect>(new GetNormalizedElementRectRequest(connector)).gravityCenter\n      }\n    });\n  }\n\n  private _calculateOutputConnectionsDragHandlers(): {\n    connection: BaseConnectionDragHandler,\n    connector: IPoint,\n  }[] {\n    return this._fMediator.execute<FConnectionBase[]>(\n      new CalculateOutputConnectionsRequest(this._fNode!)\n    ).map((x: FConnectionBase) => {\n      const connector = this._fComponentsStore.fOutputs.find((y) => y.fId === x.fOutputId)!.hostElement;\n      return {\n        connection: new SourceConnectionDragHandler(this._injector, x),\n        connector: this._fMediator.execute<IRect>(new GetNormalizedElementRectRequest(connector)).gravityCenter\n      }\n    });\n  }\n}\n"]}