angular-bootstrap-md
Version:
<a href="http://mdbootstrap.com/docs/angular/getting-started/download/"><img src="https://mdbootstrap.com/img/Marketing/general/logo/medium/mdb-angular2.png"></a> # Angular Bootstrap with Material Design
56 lines • 9.44 kB
JavaScript
import { Injectable, ElementRef, RendererFactory2, Inject, PLATFORM_ID, NgZone, } from '@angular/core';
import { isPlatformBrowser } from '@angular/common';
import { positionElements } from './ng-positioning';
import { fromEvent, merge, of, animationFrameScheduler, Subject } from 'rxjs';
export class PositioningService {
constructor(rendererFactory, platformId, _ngZone) {
this._ngZone = _ngZone;
this.update$$ = new Subject();
this.positionElements = new Map();
if (isPlatformBrowser(platformId)) {
this._ngZone.runOutsideAngular(() => {
merge(fromEvent(window, 'scroll'), fromEvent(window, 'resize'),
// tslint:disable-next-line: deprecation
of(0, animationFrameScheduler), this.update$$).subscribe(() => {
this.positionElements.forEach((positionElement) => {
positionElements(_getHtmlElement(positionElement.target), _getHtmlElement(positionElement.element), positionElement.attachment, positionElement.appendToBody, this.options, rendererFactory.createRenderer(null, null));
});
});
});
}
}
position(options) {
this.addPositionElement(options);
}
addPositionElement(options) {
this.positionElements.set(_getHtmlElement(options.element), options);
}
calcPosition() {
this.update$$.next();
}
deletePositionElement(elRef) {
this.positionElements.delete(_getHtmlElement(elRef));
}
setOptions(options) {
this.options = options;
}
}
PositioningService.decorators = [
{ type: Injectable }
];
PositioningService.ctorParameters = () => [
{ type: RendererFactory2 },
{ type: Number, decorators: [{ type: Inject, args: [PLATFORM_ID,] }] },
{ type: NgZone }
];
function _getHtmlElement(element) {
// it means that we got a selector
if (element && typeof element === 'string') {
return document.querySelector(element);
}
if (element instanceof ElementRef) {
return element.nativeElement;
}
return element;
}
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