@foblex/flow/esm2022/domain/f-canvas/reset-scale-and-center/reset-scale-and-center.execution.mjs

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.

import { __decorate } from "tslib";
import { inject, Injectable } from '@angular/core';
import { ResetScaleAndCenterRequest } from './reset-scale-and-center-request';
import { FExecutionRegister, FMediator } from '@foblex/mediator';
import { PointExtensions, RectExtensions } from '@foblex/2d';
import { CalculateNodesBoundingBoxRequest, RedrawCanvasWithAnimationRequest } from '../../../domain';
import { FComponentsStore } from '../../../f-storage';
import * as i0 from "@angular/core";
let ResetScaleAndCenterExecution = class ResetScaleAndCenterExecution {
    _fMediator = inject(FMediator);
    _fComponentsStore = inject(FComponentsStore);
    get _transform() {
        return this._fComponentsStore.fCanvas.transform;
    }
    handle(request) {
        const fNodesRect = this._fMediator.execute(new CalculateNodesBoundingBoxRequest()) || RectExtensions.initialize();
        if (fNodesRect.width === 0 || fNodesRect.height === 0) {
            return;
        }
        this._oneToOneCentering(fNodesRect, RectExtensions.fromElement(this._fComponentsStore.fFlow.hostElement), this._fComponentsStore.fNodes.map((x) => x.position));
        this._fMediator.execute(new RedrawCanvasWithAnimationRequest(request.animated));
    }
    _oneToOneCentering(rect, parentRect, points) {
        this._transform.scaledPosition = PointExtensions.initialize();
        this._transform.position = this._getZeroPositionWithoutScale(points);
        const newX = (parentRect.width - rect.width / this._transform.scale) / 2 - this._transform.position.x;
        const newY = (parentRect.height - rect.height / this._transform.scale) / 2 - this._transform.position.y;
        this._transform.scale = 1;
        this._transform.position = PointExtensions.initialize(newX, newY);
    }
    _getZeroPositionWithoutScale(points) {
        const xPoint = points.length ? Math.min(...points.map((point) => point.x)) : 0;
        const yPoint = points.length ? Math.min(...points.map((point) => point.y)) : 0;
        return PointExtensions.initialize(xPoint, yPoint);
    }
    static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: ResetScaleAndCenterExecution, deps: [], target: i0.ɵɵFactoryTarget.Injectable });
    static ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: ResetScaleAndCenterExecution });
};
ResetScaleAndCenterExecution = __decorate([
    FExecutionRegister(ResetScaleAndCenterRequest)
], ResetScaleAndCenterExecution);
export { ResetScaleAndCenterExecution };
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: ResetScaleAndCenterExecution, decorators: [{
            type: Injectable
        }] });
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