carbon-components-angular
Version:
Next generation components
89 lines • 10.7 kB
JavaScript
import { Injectable } from "@angular/core";
import * as i0 from "@angular/core";
/**
* Singleton service used to register the container for out-of-flow components to insert into.
* Also used to insert/remove components from that view.
*/
export class PlaceholderService {
constructor() {
/**
* Main `ViewContainerRef` to insert components into
*/
this.viewContainerRef = null;
/**
* Map of id's to secondary `ViewContainerRef`s
*/
this.viewContainerMap = new Map();
}
/**
* Used by `Placeholder` to register view-container reference.
*/
registerViewContainerRef(vcRef, id) {
if (id) {
this.viewContainerMap.set(id, vcRef);
}
else {
this.viewContainerRef = vcRef;
}
}
/**
* Creates and returns component in the view.
*/
createComponent(component, injector, id, environment = undefined) {
if (id) {
if (!this.viewContainerMap.has(id)) {
console.error(`No view container with id ${id} found`);
return;
}
return this.viewContainerMap.get(id).createComponent(component, { index: this.viewContainerMap.size, injector });
}
if (!this.viewContainerRef) {
console.error("No view container defined! Likely due to a missing `cds-placeholder`");
return;
}
return this.viewContainerRef.createComponent(component, {
index: this.viewContainerRef.length,
injector,
environmentInjector: environment
});
}
destroyComponent(component) {
component.destroy();
}
hasComponentRef(component, id) {
if (id) {
return !(this.viewContainerMap.get(id).indexOf(component.hostView) < 0);
}
return !(this.viewContainerRef.indexOf(component.hostView) < 0);
}
hasPlaceholderRef(id) {
if (id) {
return this.viewContainerMap.has(id);
}
return !!this.viewContainerRef;
}
appendElement(element, id) {
if (id) {
return this.viewContainerMap.get(id).element.nativeElement.appendChild(element);
}
return this.viewContainerRef.element.nativeElement.appendChild(element);
}
removeElement(element, id) {
if (id) {
return this.viewContainerMap.get(id).element.nativeElement.removeChild(element);
}
return this.viewContainerRef.element.nativeElement.removeChild(element);
}
hasElement(element, id) {
if (id) {
return this.viewContainerMap.get(id).element.nativeElement.contains(element);
}
return this.viewContainerRef.element.nativeElement.contains(element);
}
}
PlaceholderService.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: PlaceholderService, deps: [], target: i0.ɵɵFactoryTarget.Injectable });
PlaceholderService.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: PlaceholderService });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: PlaceholderService, decorators: [{
type: Injectable
}] });
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