@angular/material
Version:
Angular Material
89 lines • 10.8 kB
JavaScript
/**
* @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 { DomPortalOutlet, TemplatePortal } from '@angular/cdk/portal';
import { DOCUMENT } from '@angular/common';
import { ApplicationRef, ChangeDetectorRef, ComponentFactoryResolver, Directive, Inject, Injector, TemplateRef, ViewContainerRef, } from '@angular/core';
import { Subject } from 'rxjs';
/**
* Menu content that will be rendered lazily once the menu is opened.
*/
var MatMenuContent = /** @class */ (function () {
function MatMenuContent(_template, _componentFactoryResolver, _appRef, _injector, _viewContainerRef, _document, _changeDetectorRef) {
this._template = _template;
this._componentFactoryResolver = _componentFactoryResolver;
this._appRef = _appRef;
this._injector = _injector;
this._viewContainerRef = _viewContainerRef;
this._document = _document;
this._changeDetectorRef = _changeDetectorRef;
/** Emits when the menu content has been attached. */
this._attached = new Subject();
}
/**
* Attaches the content with a particular context.
* @docs-private
*/
MatMenuContent.prototype.attach = function (context) {
if (context === void 0) { context = {}; }
if (!this._portal) {
this._portal = new TemplatePortal(this._template, this._viewContainerRef);
}
this.detach();
if (!this._outlet) {
this._outlet = new DomPortalOutlet(this._document.createElement('div'), this._componentFactoryResolver, this._appRef, this._injector);
}
var element = this._template.elementRef.nativeElement;
// Because we support opening the same menu from different triggers (which in turn have their
// own `OverlayRef` panel), we have to re-insert the host element every time, otherwise we
// risk it staying attached to a pane that's no longer in the DOM.
element.parentNode.insertBefore(this._outlet.outletElement, element);
// When `MatMenuContent` is used in an `OnPush` component, the insertion of the menu
// content via `createEmbeddedView` does not cause the content to be seen as "dirty"
// by Angular. This causes the `@ContentChildren` for menu items within the menu to
// not be updated by Angular. By explicitly marking for check here, we tell Angular that
// it needs to check for new menu items and update the `@ContentChild` in `MatMenu`.
// @breaking-change 9.0.0 Make change detector ref required
if (this._changeDetectorRef) {
this._changeDetectorRef.markForCheck();
}
this._portal.attach(this._outlet, context);
this._attached.next();
};
/**
* Detaches the content.
* @docs-private
*/
MatMenuContent.prototype.detach = function () {
if (this._portal.isAttached) {
this._portal.detach();
}
};
MatMenuContent.prototype.ngOnDestroy = function () {
if (this._outlet) {
this._outlet.dispose();
}
};
MatMenuContent.decorators = [
{ type: Directive, args: [{
selector: 'ng-template[matMenuContent]'
},] }
];
/** @nocollapse */
MatMenuContent.ctorParameters = function () { return [
{ type: TemplateRef },
{ type: ComponentFactoryResolver },
{ type: ApplicationRef },
{ type: Injector },
{ type: ViewContainerRef },
{ type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] },
{ type: ChangeDetectorRef }
]; };
return MatMenuContent;
}());
export { MatMenuContent };
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