107 lines
2.2 KiB
JavaScript
107 lines
2.2 KiB
JavaScript
/**
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* Copyright (c) HashiCorp, Inc.
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* SPDX-License-Identifier: MPL-2.0
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*/
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import Service from '@ember/service';
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import { action } from '@ember/object';
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import { tracked } from '@glimmer/tracking';
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import { schedule } from '@ember/runloop';
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import { getBoxToBoxArrow } from 'curved-arrows';
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function boxToArrow(ra, rb) {
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const bbA = ra;
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const bbB = rb;
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const [sx, sy, c1x, c1y, c2x, c2y, ex, ey, ae, as] = getBoxToBoxArrow(
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bbA.offsetLeft,
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bbA.offsetTop,
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bbA.offsetWidth,
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bbA.offsetHeight,
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bbB.offsetLeft,
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bbB.offsetTop,
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bbB.offsetWidth,
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bbB.offsetHeight
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);
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return {
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sx,
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sy,
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c1x,
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c1y,
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c2x,
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c2y,
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ex,
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ey,
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ae,
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as,
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};
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}
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export default class ActorRelationshipService extends Service {
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@tracked actors = [];
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get fns() {
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const { registerActor, deregisterActor, recalcCurves } = this;
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return { registerActor, deregisterActor, recalcCurves };
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}
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get data() {
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const { actors, relationships } = this;
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return { actors, relationships };
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}
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@action registerActor(actor) {
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schedule('actions', this, () => {
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this.actors = [...this.actors, actor];
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});
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}
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@action deregisterActor(actor) {
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schedule('actions', this, () => {
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this.actors = this.actors.filter((a) => a !== actor);
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});
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}
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get rects() {
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const { actors } = this;
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return actors
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.filter((e) => e.previousEval)
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.map((e) => {
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const { previousEval: pid, id } = e;
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const eRectangle = document.querySelector(`[data-eval="${id}"]`);
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const prevRectangle = document.querySelector(`[data-eval="${pid}"]`);
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return [eRectangle, prevRectangle];
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});
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}
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get relationships() {
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const { rects } = this;
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return rects.map(([eRectangle, prevRectangle]) => {
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const { sx, sy, c1x, c1y, c2x, c2y, ex, ey } = boxToArrow(
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eRectangle,
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prevRectangle
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);
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return {
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d: `M ${sx} ${sy} C ${c1x} ${c1y}, ${c2x} ${c2y}, ${ex} ${ey}`,
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sx,
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sy,
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ex,
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ey,
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};
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});
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}
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@action
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recalcCurves() {
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// retrigger the tracked getters by resetting dependent keys
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/* eslint-disable-next-line */
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this.actors = this.actors;
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}
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}
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