@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.
73 lines • 11.9 kB
JavaScript
import { __decorate } from "tslib";
import { inject, Injectable, Injector } from '@angular/core';
import { FNodeResizePreparationRequest } from './f-node-resize-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 { isValidEventTrigger, SelectAndUpdateNodeLayerRequest, } from '../../../domain';
import { EFResizeHandleType } from '../../../f-node';
import { FNodeResizeDragHandler } from '../f-node-resize.drag-handler';
import { getDataAttrValueFromClosestElementWithClass, isClosestElementHasClass } from '@foblex/utils';
import * as i0 from "@angular/core";
let FNodeResizePreparationExecution = class FNodeResizePreparationExecution {
_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);
const resizeHandleType = EFResizeHandleType[this._getHandleType(request.event.targetElement)];
this._fDraggableDataContext.draggableItems = [
new FNodeResizeDragHandler(this._injector, this._fNode, resizeHandleType)
];
}
_isValid(request) {
return this._fDraggableDataContext.isEmpty()
&& this._isDragHandleElement(request.event.targetElement)
&& this._isNodeCanBeDragged(this._getNode(request.event.targetElement));
}
_isDragHandleElement(element) {
return isClosestElementHasClass(element, '.f-resize-handle');
}
_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));
}
_getHandleType(element) {
return getDataAttrValueFromClosestElementWithClass(element, 'fResizeHandleType', '.f-resize-handle');
}
static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: FNodeResizePreparationExecution, deps: [], target: i0.ɵɵFactoryTarget.Injectable });
static ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: FNodeResizePreparationExecution });
};
FNodeResizePreparationExecution = __decorate([
FExecutionRegister(FNodeResizePreparationRequest)
], FNodeResizePreparationExecution);
export { FNodeResizePreparationExecution };
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: FNodeResizePreparationExecution, decorators: [{
type: Injectable
}] });
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{ inject, Injectable, Injector } from '@angular/core';\nimport { FNodeResizePreparationRequest } from './f-node-resize-preparation.request';\nimport { ITransformModel, Point } from '@foblex/2d';\nimport { FExecutionRegister, FMediator, IExecution } from '@foblex/mediator';\nimport { FComponentsStore } from '../../../f-storage';\nimport { FDraggableDataContext } from '../../f-draggable-data-context';\nimport {\n  isValidEventTrigger,\n  SelectAndUpdateNodeLayerRequest,\n} from '../../../domain';\nimport { EFResizeHandleType, FNodeBase } from '../../../f-node';\nimport { FNodeResizeDragHandler } from '../f-node-resize.drag-handler';\nimport { getDataAttrValueFromClosestElementWithClass, isClosestElementHasClass } from '@foblex/utils';\n\n@Injectable()\n@FExecutionRegister(FNodeResizePreparationRequest)\nexport class FNodeResizePreparationExecution implements IExecution<FNodeResizePreparationRequest, 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: FNodeResizePreparationRequest): 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    const resizeHandleType = EFResizeHandleType[ this._getHandleType(request.event.targetElement) ];\n    this._fDraggableDataContext.draggableItems = [\n      new FNodeResizeDragHandler(\n        this._injector,\n        this._fNode!, resizeHandleType\n      )\n    ];\n  }\n\n  private _isValid(request: FNodeResizePreparationRequest): boolean {\n    return this._fDraggableDataContext.isEmpty()\n      && this._isDragHandleElement(request.event.targetElement)\n      && this._isNodeCanBeDragged(this._getNode(request.event.targetElement));\n  }\n\n  private _isDragHandleElement(element: HTMLElement): boolean {\n    return isClosestElementHasClass(element, '.f-resize-handle');\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: FNodeResizePreparationRequest): 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 _getHandleType(element: HTMLElement): keyof typeof EFResizeHandleType {\n    return getDataAttrValueFromClosestElementWithClass(element, 'fResizeHandleType', '.f-resize-handle');\n  }\n}\n"]}