/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import { ComponentFactoryResolver, Directive, EventEmitter, NgModule, Output, TemplateRef, ViewContainerRef, Inject, } from '@angular/core';
import { DOCUMENT } from '@angular/common';
import { BasePortalOutlet, TemplatePortal } from './portal';
/**
* Directive version of a `TemplatePortal`. Because the directive *is* a TemplatePortal,
* the directive instance itself can be attached to a host, enabling declarative use of portals.
*/
export class CdkPortal extends TemplatePortal {
constructor(templateRef, viewContainerRef) {
super(templateRef, viewContainerRef);
}
}
CdkPortal.decorators = [
{ type: Directive, args: [{
selector: '[cdkPortal]',
exportAs: 'cdkPortal',
},] }
];
CdkPortal.ctorParameters = () => [
{ type: TemplateRef },
{ type: ViewContainerRef }
];
/**
* @deprecated Use `CdkPortal` instead.
* @breaking-change 9.0.0
*/
export class TemplatePortalDirective extends CdkPortal {
}
TemplatePortalDirective.decorators = [
{ type: Directive, args: [{
selector: '[cdk-portal], [portal]',
exportAs: 'cdkPortal',
providers: [{
provide: CdkPortal,
useExisting: TemplatePortalDirective
}]
},] }
];
/**
* Directive version of a PortalOutlet. Because the directive *is* a PortalOutlet, portals can be
* directly attached to it, enabling declarative use.
*
* Usage:
* ``
*/
export class CdkPortalOutlet extends BasePortalOutlet {
constructor(_componentFactoryResolver, _viewContainerRef,
/**
* @deprecated `_document` parameter to be made required.
* @breaking-change 9.0.0
*/
_document) {
super();
this._componentFactoryResolver = _componentFactoryResolver;
this._viewContainerRef = _viewContainerRef;
/** Whether the portal component is initialized. */
this._isInitialized = false;
/** Emits when a portal is attached to the outlet. */
this.attached = new EventEmitter();
/**
* Attaches the given DomPortal to this PortalHost by moving all of the portal content into it.
* @param portal Portal to be attached.
* @deprecated To be turned into a method.
* @breaking-change 10.0.0
*/
this.attachDomPortal = (portal) => {
// @breaking-change 9.0.0 Remove check and error once the
// `_document` constructor parameter is required.
if (!this._document && (typeof ngDevMode === 'undefined' || ngDevMode)) {
throw Error('Cannot attach DOM portal without _document constructor parameter');
}
const element = portal.element;
if (!element.parentNode && (typeof ngDevMode === 'undefined' || ngDevMode)) {
throw Error('DOM portal content must be attached to a parent node.');
}
// Anchor used to save the element's previous position so
// that we can restore it when the portal is detached.
const anchorNode = this._document.createComment('dom-portal');
portal.setAttachedHost(this);
element.parentNode.insertBefore(anchorNode, element);
this._getRootNode().appendChild(element);
this._attachedPortal = portal;
super.setDisposeFn(() => {
if (anchorNode.parentNode) {
anchorNode.parentNode.replaceChild(element, anchorNode);
}
});
};
this._document = _document;
}
/** Portal associated with the Portal outlet. */
get portal() {
return this._attachedPortal;
}
set portal(portal) {
// Ignore the cases where the `portal` is set to a falsy value before the lifecycle hooks have
// run. This handles the cases where the user might do something like `
`
// and attach a portal programmatically in the parent component. When Angular does the first CD
// round, it will fire the setter with empty string, causing the user's content to be cleared.
if (this.hasAttached() && !portal && !this._isInitialized) {
return;
}
if (this.hasAttached()) {
super.detach();
}
if (portal) {
super.attach(portal);
}
this._attachedPortal = portal;
}
/** Component or view reference that is attached to the portal. */
get attachedRef() {
return this._attachedRef;
}
ngOnInit() {
this._isInitialized = true;
}
ngOnDestroy() {
super.dispose();
this._attachedPortal = null;
this._attachedRef = null;
}
/**
* Attach the given ComponentPortal to this PortalOutlet using the ComponentFactoryResolver.
*
* @param portal Portal to be attached to the portal outlet.
* @returns Reference to the created component.
*/
attachComponentPortal(portal) {
portal.setAttachedHost(this);
// If the portal specifies an origin, use that as the logical location of the component
// in the application tree. Otherwise use the location of this PortalOutlet.
const viewContainerRef = portal.viewContainerRef != null ?
portal.viewContainerRef :
this._viewContainerRef;
const resolver = portal.componentFactoryResolver || this._componentFactoryResolver;
const componentFactory = resolver.resolveComponentFactory(portal.component);
const ref = viewContainerRef.createComponent(componentFactory, viewContainerRef.length, portal.injector || viewContainerRef.injector);
// If we're using a view container that's different from the injected one (e.g. when the portal
// specifies its own) we need to move the component into the outlet, otherwise it'll be rendered
// inside of the alternate view container.
if (viewContainerRef !== this._viewContainerRef) {
this._getRootNode().appendChild(ref.hostView.rootNodes[0]);
}
super.setDisposeFn(() => ref.destroy());
this._attachedPortal = portal;
this._attachedRef = ref;
this.attached.emit(ref);
return ref;
}
/**
* Attach the given TemplatePortal to this PortalHost as an embedded View.
* @param portal Portal to be attached.
* @returns Reference to the created embedded view.
*/
attachTemplatePortal(portal) {
portal.setAttachedHost(this);
const viewRef = this._viewContainerRef.createEmbeddedView(portal.templateRef, portal.context);
super.setDisposeFn(() => this._viewContainerRef.clear());
this._attachedPortal = portal;
this._attachedRef = viewRef;
this.attached.emit(viewRef);
return viewRef;
}
/** Gets the root node of the portal outlet. */
_getRootNode() {
const nativeElement = this._viewContainerRef.element.nativeElement;
// The directive could be set on a template which will result in a comment
// node being the root. Use the comment's parent node if that is the case.
return (nativeElement.nodeType === nativeElement.ELEMENT_NODE ?
nativeElement : nativeElement.parentNode);
}
}
CdkPortalOutlet.decorators = [
{ type: Directive, args: [{
selector: '[cdkPortalOutlet]',
exportAs: 'cdkPortalOutlet',
inputs: ['portal: cdkPortalOutlet']
},] }
];
CdkPortalOutlet.ctorParameters = () => [
{ type: ComponentFactoryResolver },
{ type: ViewContainerRef },
{ type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] }
];
CdkPortalOutlet.propDecorators = {
attached: [{ type: Output }]
};
/**
* @deprecated Use `CdkPortalOutlet` instead.
* @breaking-change 9.0.0
*/
export class PortalHostDirective extends CdkPortalOutlet {
}
PortalHostDirective.decorators = [
{ type: Directive, args: [{
selector: '[cdkPortalHost], [portalHost]',
exportAs: 'cdkPortalHost',
inputs: ['portal: cdkPortalHost'],
providers: [{
provide: CdkPortalOutlet,
useExisting: PortalHostDirective
}]
},] }
];
export class PortalModule {
}
PortalModule.decorators = [
{ type: NgModule, args: [{
exports: [CdkPortal, CdkPortalOutlet, TemplatePortalDirective, PortalHostDirective],
declarations: [CdkPortal, CdkPortalOutlet, TemplatePortalDirective, PortalHostDirective],
},] }
];
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* @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {\n  ComponentFactoryResolver,\n  ComponentRef,\n  Directive,\n  EmbeddedViewRef,\n  EventEmitter,\n  NgModule,\n  OnDestroy,\n  OnInit,\n  Output,\n  TemplateRef,\n  ViewContainerRef,\n  Inject,\n} from '@angular/core';\nimport {DOCUMENT} from '@angular/common';\nimport {BasePortalOutlet, ComponentPortal, Portal, TemplatePortal, DomPortal} from './portal';\n\n\n/**\n * Directive version of a `TemplatePortal`. Because the directive *is* a TemplatePortal,\n * the directive instance itself can be attached to a host, enabling declarative use of portals.\n */\n@Directive({\n  selector: '[cdkPortal]',\n  exportAs: 'cdkPortal',\n})\nexport class CdkPortal extends TemplatePortal {\n  constructor(templateRef: TemplateRef<any>, viewContainerRef: ViewContainerRef) {\n    super(templateRef, viewContainerRef);\n  }\n}\n\n/**\n * @deprecated Use `CdkPortal` instead.\n * @breaking-change 9.0.0\n */\n@Directive({\n  selector: '[cdk-portal], [portal]',\n  exportAs: 'cdkPortal',\n  providers: [{\n    provide: CdkPortal,\n    useExisting: TemplatePortalDirective\n  }]\n})\nexport class TemplatePortalDirective extends CdkPortal {}\n\n/**\n * Possible attached references to the CdkPortalOutlet.\n */\nexport type CdkPortalOutletAttachedRef = ComponentRef<any> | EmbeddedViewRef<any> | null;\n\n\n/**\n * Directive version of a PortalOutlet. Because the directive *is* a PortalOutlet, portals can be\n * directly attached to it, enabling declarative use.\n *\n * Usage:\n * `<ng-template [cdkPortalOutlet]=\"greeting\"></ng-template>`\n */\n@Directive({\n  selector: '[cdkPortalOutlet]',\n  exportAs: 'cdkPortalOutlet',\n  inputs: ['portal: cdkPortalOutlet']\n})\nexport class CdkPortalOutlet extends BasePortalOutlet implements OnInit, OnDestroy {\n  private _document: Document;\n\n  /** Whether the portal component is initialized. */\n  private _isInitialized = false;\n\n  /** Reference to the currently-attached component/view ref. */\n  private _attachedRef: CdkPortalOutletAttachedRef;\n\n  constructor(\n      private _componentFactoryResolver: ComponentFactoryResolver,\n      private _viewContainerRef: ViewContainerRef,\n\n      /**\n       * @deprecated `_document` parameter to be made required.\n       * @breaking-change 9.0.0\n       */\n      @Inject(DOCUMENT) _document?: any) {\n    super();\n    this._document = _document;\n  }\n\n  /** Portal associated with the Portal outlet. */\n  get portal(): Portal<any> | null {\n    return this._attachedPortal;\n  }\n\n  set portal(portal: Portal<any> | null) {\n    // Ignore the cases where the `portal` is set to a falsy value before the lifecycle hooks have\n    // run. This handles the cases where the user might do something like `<div cdkPortalOutlet>`\n    // and attach a portal programmatically in the parent component. When Angular does the first CD\n    // round, it will fire the setter with empty string, causing the user's content to be cleared.\n    if (this.hasAttached() && !portal && !this._isInitialized) {\n      return;\n    }\n\n    if (this.hasAttached()) {\n      super.detach();\n    }\n\n    if (portal) {\n      super.attach(portal);\n    }\n\n    this._attachedPortal = portal;\n  }\n\n  /** Emits when a portal is attached to the outlet. */\n  @Output() readonly attached: EventEmitter<CdkPortalOutletAttachedRef> =\n      new EventEmitter<CdkPortalOutletAttachedRef>();\n\n  /** Component or view reference that is attached to the portal. */\n  get attachedRef(): CdkPortalOutletAttachedRef {\n    return this._attachedRef;\n  }\n\n  ngOnInit() {\n    this._isInitialized = true;\n  }\n\n  ngOnDestroy() {\n    super.dispose();\n    this._attachedPortal = null;\n    this._attachedRef = null;\n  }\n\n  /**\n   * Attach the given ComponentPortal to this PortalOutlet using the ComponentFactoryResolver.\n   *\n   * @param portal Portal to be attached to the portal outlet.\n   * @returns Reference to the created component.\n   */\n  attachComponentPortal<T>(portal: ComponentPortal<T>): ComponentRef<T> {\n    portal.setAttachedHost(this);\n\n    // If the portal specifies an origin, use that as the logical location of the component\n    // in the application tree. Otherwise use the location of this PortalOutlet.\n    const viewContainerRef = portal.viewContainerRef != null ?\n        portal.viewContainerRef :\n        this._viewContainerRef;\n\n    const resolver = portal.componentFactoryResolver || this._componentFactoryResolver;\n    const componentFactory = resolver.resolveComponentFactory(portal.component);\n    const ref = viewContainerRef.createComponent(\n        componentFactory, viewContainerRef.length,\n        portal.injector || viewContainerRef.injector);\n\n    // If we're using a view container that's different from the injected one (e.g. when the portal\n    // specifies its own) we need to move the component into the outlet, otherwise it'll be rendered\n    // inside of the alternate view container.\n    if (viewContainerRef !== this._viewContainerRef) {\n      this._getRootNode().appendChild((ref.hostView as EmbeddedViewRef<any>).rootNodes[0]);\n    }\n\n    super.setDisposeFn(() => ref.destroy());\n    this._attachedPortal = portal;\n    this._attachedRef = ref;\n    this.attached.emit(ref);\n\n    return ref;\n  }\n\n  /**\n   * Attach the given TemplatePortal to this PortalHost as an embedded View.\n   * @param portal Portal to be attached.\n   * @returns Reference to the created embedded view.\n   */\n  attachTemplatePortal<C>(portal: TemplatePortal<C>): EmbeddedViewRef<C> {\n    portal.setAttachedHost(this);\n    const viewRef = this._viewContainerRef.createEmbeddedView(portal.templateRef, portal.context);\n    super.setDisposeFn(() => this._viewContainerRef.clear());\n\n    this._attachedPortal = portal;\n    this._attachedRef = viewRef;\n    this.attached.emit(viewRef);\n\n    return viewRef;\n  }\n\n  /**\n   * Attaches the given DomPortal to this PortalHost by moving all of the portal content into it.\n   * @param portal Portal to be attached.\n   * @deprecated To be turned into a method.\n   * @breaking-change 10.0.0\n   */\n  override attachDomPortal = (portal: DomPortal) => {\n    // @breaking-change 9.0.0 Remove check and error once the\n    // `_document` constructor parameter is required.\n    if (!this._document && (typeof ngDevMode === 'undefined' || ngDevMode)) {\n      throw Error('Cannot attach DOM portal without _document constructor parameter');\n    }\n\n    const element = portal.element;\n    if (!element.parentNode && (typeof ngDevMode === 'undefined' || ngDevMode)) {\n      throw Error('DOM portal content must be attached to a parent node.');\n    }\n\n    // Anchor used to save the element's previous position so\n    // that we can restore it when the portal is detached.\n    const anchorNode = this._document.createComment('dom-portal');\n\n    portal.setAttachedHost(this);\n    element.parentNode!.insertBefore(anchorNode, element);\n    this._getRootNode().appendChild(element);\n    this._attachedPortal = portal;\n\n    super.setDisposeFn(() => {\n      if (anchorNode.parentNode) {\n        anchorNode.parentNode!.replaceChild(element, anchorNode);\n      }\n    });\n  }\n\n  /** Gets the root node of the portal outlet. */\n  private _getRootNode(): HTMLElement {\n    const nativeElement: Node = this._viewContainerRef.element.nativeElement;\n\n    // The directive could be set on a template which will result in a comment\n    // node being the root. Use the comment's parent node if that is the case.\n    return (nativeElement.nodeType === nativeElement.ELEMENT_NODE ?\n           nativeElement : nativeElement.parentNode!) as HTMLElement;\n  }\n\n  static ngAcceptInputType_portal: Portal<any> | null | undefined | '';\n}\n\n/**\n * @deprecated Use `CdkPortalOutlet` instead.\n * @breaking-change 9.0.0\n */\n@Directive({\n  selector: '[cdkPortalHost], [portalHost]',\n  exportAs: 'cdkPortalHost',\n  inputs: ['portal: cdkPortalHost'],\n  providers: [{\n    provide: CdkPortalOutlet,\n    useExisting: PortalHostDirective\n  }]\n})\nexport class PortalHostDirective extends CdkPortalOutlet {}\n\n\n@NgModule({\n  exports: [CdkPortal, CdkPortalOutlet, TemplatePortalDirective, PortalHostDirective],\n  declarations: [CdkPortal, CdkPortalOutlet, TemplatePortalDirective, PortalHostDirective],\n})\nexport class PortalModule {}\n"]}