@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.
88 lines • 15 kB
JavaScript
import { __decorate } from "tslib";
import { inject, Injectable } from '@angular/core';
import { FNodeMoveFinalizeRequest } from './f-node-move-finalize.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 { IsConnectionUnderNodeRequest } from '../../domain';
import { FNodeDropToGroupDragHandler } from '../../f-drop-to-group';
import { FLineAlignmentDragHandler } from '../f-line-alignment.drag-handler';
import { FSummaryNodeMoveDragHandler } from '../f-summary-node-move.drag-handler';
import * as i0 from "@angular/core";
let FNodeMoveFinalizeExecution = class FNodeMoveFinalizeExecution {
_fMediator = inject(FMediator);
_fComponentsStore = inject(FComponentsStore);
_fDraggableDataContext = inject(FDraggableDataContext);
get _fHost() {
return this._fComponentsStore.fFlow.hostElement;
}
handle(request) {
if (!this._isValid()) {
return;
}
const difference = this._getDifferenceWithLineAlignment(this._getDifferenceBetweenPreparationAndFinalize(request.event.getPosition()));
const firstNodeOrGroup = this._fDraggableDataContext.draggableItems
.find((x) => x instanceof FSummaryNodeMoveDragHandler);
this._finalizeMove(firstNodeOrGroup.calculateRestrictedDifference(difference));
this._applyConnectionUnderDroppedNode();
}
_isValid() {
return this._fDraggableDataContext.draggableItems.some((x) => x instanceof FSummaryNodeMoveDragHandler);
}
_finalizeMove(difference) {
this._getItems().forEach((x) => {
x.onPointerMove({ ...difference });
x.onPointerUp?.();
});
}
_getItems() {
return this._fDraggableDataContext.draggableItems
.filter((x) => !(x instanceof FNodeDropToGroupDragHandler));
}
_getDifferenceBetweenPreparationAndFinalize(position) {
return Point.fromPoint(position).elementTransform(this._fHost)
.div(this._fDraggableDataContext.onPointerDownScale)
.sub(this._fDraggableDataContext.onPointerDownPosition);
}
_getDifferenceWithLineAlignment(difference) {
return this._applyLineAlignmentDifference(difference, this._getLineAlignmentDifference(difference));
}
_getLineAlignmentDifference(difference) {
return this._fDraggableDataContext.draggableItems
.find((x) => x instanceof FLineAlignmentDragHandler)
?.findNearestCoordinate(difference);
}
_applyLineAlignmentDifference(difference, intersection) {
if (intersection) {
difference.x = this._isIntersectValue(intersection.xResult) ? (difference.x - intersection.xResult.distance) : difference.x;
difference.y = this._isIntersectValue(intersection.yResult) ? (difference.y - intersection.yResult.distance) : difference.y;
}
return difference;
}
_isIntersectValue(result) {
return result.value !== undefined && result.value !== null;
}
_applyConnectionUnderDroppedNode() {
if (this._isDraggedJustOneNode() && this._fComponentsStore.fDraggable?.fEmitOnNodeIntersect) {
const fNode = this._getFirstNodeOrGroup();
setTimeout(() => this._fMediator.execute(new IsConnectionUnderNodeRequest(fNode)));
}
}
_isDraggedJustOneNode() {
return this._fDraggableDataContext.draggableItems[0].fHandlers.length === 1;
}
_getFirstNodeOrGroup() {
return this._fDraggableDataContext.draggableItems[0].fHandlers[0].fNode;
}
static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: FNodeMoveFinalizeExecution, deps: [], target: i0.ɵɵFactoryTarget.Injectable });
static ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: FNodeMoveFinalizeExecution });
};
FNodeMoveFinalizeExecution = __decorate([
FExecutionRegister(FNodeMoveFinalizeRequest)
], FNodeMoveFinalizeExecution);
export { FNodeMoveFinalizeExecution };
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: FNodeMoveFinalizeExecution, decorators: [{
type: Injectable
}] });
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{ inject, Injectable } from '@angular/core';\nimport { FNodeMoveFinalizeRequest } from './f-node-move-finalize.request';\nimport { IPoint, 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  IsConnectionUnderNodeRequest\n} from '../../domain';\nimport { IFDragHandler } from '../../f-drag-handler';\nimport { FNodeDropToGroupDragHandler } from '../../f-drop-to-group';\nimport { ILineAlignmentResult, INearestCoordinateResult } from '../../../f-line-alignment';\nimport { FLineAlignmentDragHandler } from '../f-line-alignment.drag-handler';\nimport { FSummaryNodeMoveDragHandler } from '../f-summary-node-move.drag-handler';\nimport { FNodeBase } from '../../../f-node';\n\n@Injectable()\n@FExecutionRegister(FNodeMoveFinalizeRequest)\nexport class FNodeMoveFinalizeExecution implements IExecution<FNodeMoveFinalizeRequest, void> {\n\n  private _fMediator = inject(FMediator);\n  private _fComponentsStore = inject(FComponentsStore);\n  private _fDraggableDataContext = inject(FDraggableDataContext);\n\n  private get _fHost(): HTMLElement {\n    return this._fComponentsStore.fFlow!.hostElement;\n  }\n\n  public handle(request: FNodeMoveFinalizeRequest): void {\n    if (!this._isValid()) {\n      return;\n    }\n    const difference = this._getDifferenceWithLineAlignment(\n      this._getDifferenceBetweenPreparationAndFinalize(request.event.getPosition())\n    );\n\n    const firstNodeOrGroup: FSummaryNodeMoveDragHandler = this._fDraggableDataContext.draggableItems\n      .find((x) => x instanceof FSummaryNodeMoveDragHandler)!;\n\n    this._finalizeMove(firstNodeOrGroup.calculateRestrictedDifference(difference));\n\n    this._applyConnectionUnderDroppedNode();\n  }\n\n  private _isValid(): boolean {\n    return this._fDraggableDataContext.draggableItems.some((x) => x instanceof FSummaryNodeMoveDragHandler);\n  }\n\n  private _finalizeMove(difference: IPoint): void {\n    this._getItems().forEach((x) => {\n      x.onPointerMove({ ...difference });\n      x.onPointerUp?.();\n    });\n  }\n\n  private _getItems(): IFDragHandler[] {\n    return this._fDraggableDataContext.draggableItems\n      .filter((x) => !(x instanceof FNodeDropToGroupDragHandler));\n  }\n\n  private _getDifferenceBetweenPreparationAndFinalize(position: IPoint): Point {\n    return Point.fromPoint(position).elementTransform(this._fHost)\n      .div(this._fDraggableDataContext.onPointerDownScale)\n      .sub(this._fDraggableDataContext.onPointerDownPosition);\n  }\n\n  private _getDifferenceWithLineAlignment(difference: IPoint): IPoint {\n\n    return this._applyLineAlignmentDifference(\n      difference,\n      this._getLineAlignmentDifference(difference)\n    );\n  }\n\n  private _getLineAlignmentDifference(difference: IPoint): ILineAlignmentResult | undefined {\n    return this._fDraggableDataContext.draggableItems\n      .find((x) => x instanceof FLineAlignmentDragHandler)\n      ?.findNearestCoordinate(difference);\n  }\n\n  private _applyLineAlignmentDifference(difference: IPoint, intersection: ILineAlignmentResult | undefined): IPoint {\n    if (intersection) {\n      difference.x = this._isIntersectValue(intersection.xResult) ? (difference.x - intersection.xResult.distance!) : difference.x;\n      difference.y = this._isIntersectValue(intersection.yResult) ? (difference.y - intersection.yResult.distance!) : difference.y;\n    }\n    return difference;\n  }\n\n  private _isIntersectValue(result: INearestCoordinateResult): boolean {\n    return result.value !== undefined && result.value !== null;\n  }\n\n  private _applyConnectionUnderDroppedNode(): void {\n    if (this._isDraggedJustOneNode() && this._fComponentsStore.fDraggable?.fEmitOnNodeIntersect) {\n\n      const fNode = this._getFirstNodeOrGroup();\n      setTimeout(() => this._fMediator.execute(new IsConnectionUnderNodeRequest(fNode)));\n    }\n  }\n\n  private _isDraggedJustOneNode(): boolean {\n    return (this._fDraggableDataContext.draggableItems[ 0 ] as FSummaryNodeMoveDragHandler).fHandlers.length === 1;\n  }\n\n  private _getFirstNodeOrGroup(): FNodeBase {\n    return (this._fDraggableDataContext.draggableItems[ 0 ] as FSummaryNodeMoveDragHandler).fHandlers[ 0 ].fNode;\n  }\n}\n"]}