ng-zorro-antd
Version:
An enterprise-class UI components based on Ant Design and Angular
70 lines • 12.2 kB
JavaScript
/**
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
*/
import { ConnectionPositionPair } from '@angular/cdk/overlay';
import { TemplatePortal } from '@angular/cdk/portal';
import { Injectable } from '@angular/core';
import { fromEvent, merge, Subscription } from 'rxjs';
import { filter, first } from 'rxjs/operators';
import { NzContextMenuServiceModule } from './context-menu.service.module';
import * as i0 from "@angular/core";
import * as i1 from "@angular/cdk/overlay";
const LIST_OF_POSITIONS = [
new ConnectionPositionPair({ originX: 'start', originY: 'top' }, { overlayX: 'start', overlayY: 'top' }),
new ConnectionPositionPair({ originX: 'start', originY: 'top' }, { overlayX: 'start', overlayY: 'bottom' }),
new ConnectionPositionPair({ originX: 'start', originY: 'top' }, { overlayX: 'end', overlayY: 'bottom' }),
new ConnectionPositionPair({ originX: 'start', originY: 'top' }, { overlayX: 'end', overlayY: 'top' })
];
export class NzContextMenuService {
constructor(ngZone, overlay) {
this.ngZone = ngZone;
this.overlay = overlay;
this.overlayRef = null;
this.closeSubscription = Subscription.EMPTY;
}
create($event, nzDropdownMenuComponent) {
this.close(true);
const { x, y } = $event;
if ($event instanceof MouseEvent) {
$event.preventDefault();
}
const positionStrategy = this.overlay
.position()
.flexibleConnectedTo({ x, y })
.withPositions(LIST_OF_POSITIONS)
.withTransformOriginOn('.ant-dropdown');
this.overlayRef = this.overlay.create({
positionStrategy,
disposeOnNavigation: true,
scrollStrategy: this.overlay.scrollStrategies.close()
});
this.closeSubscription = new Subscription();
this.closeSubscription.add(nzDropdownMenuComponent.descendantMenuItemClick$.subscribe(() => this.close()));
this.closeSubscription.add(this.ngZone.runOutsideAngular(() => merge(fromEvent(document, 'click').pipe(filter(event => !!this.overlayRef && !this.overlayRef.overlayElement.contains(event.target)),
/** handle firefox contextmenu event **/
filter(event => event.button !== 2)), fromEvent(document, 'keydown').pipe(filter(event => event.key === 'Escape')))
.pipe(first())
.subscribe(() => this.ngZone.run(() => this.close()))));
return this.overlayRef.attach(new TemplatePortal(nzDropdownMenuComponent.templateRef, nzDropdownMenuComponent.viewContainerRef));
}
close(clear = false) {
if (this.overlayRef) {
this.overlayRef.detach();
if (clear) {
this.overlayRef.dispose();
}
this.overlayRef = null;
this.closeSubscription.unsubscribe();
}
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.1.2", ngImport: i0, type: NzContextMenuService, deps: [{ token: i0.NgZone }, { token: i1.Overlay }], target: i0.ɵɵFactoryTarget.Injectable }); }
static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.1.2", ngImport: i0, type: NzContextMenuService, providedIn: NzContextMenuServiceModule }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.1.2", ngImport: i0, type: NzContextMenuService, decorators: [{
type: Injectable,
args: [{
providedIn: NzContextMenuServiceModule
}]
}], ctorParameters: () => [{ type: i0.NgZone }, { type: i1.Overlay }] });
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y: number },\n    nzDropdownMenuComponent: NzDropdownMenuComponent\n  ): EmbeddedViewRef<NzSafeAny> {\n    this.close(true);\n    const { x, y } = $event;\n    if ($event instanceof MouseEvent) {\n      $event.preventDefault();\n    }\n    const positionStrategy = this.overlay\n      .position()\n      .flexibleConnectedTo({ x, y })\n      .withPositions(LIST_OF_POSITIONS)\n      .withTransformOriginOn('.ant-dropdown');\n    this.overlayRef = this.overlay.create({\n      positionStrategy,\n      disposeOnNavigation: true,\n      scrollStrategy: this.overlay.scrollStrategies.close()\n    });\n\n    this.closeSubscription = new Subscription();\n\n    this.closeSubscription.add(nzDropdownMenuComponent.descendantMenuItemClick$.subscribe(() => this.close()));\n\n    this.closeSubscription.add(\n      this.ngZone.runOutsideAngular(() =>\n        merge(\n          fromEvent<MouseEvent>(document, 'click').pipe(\n            filter(event => !!this.overlayRef && !this.overlayRef.overlayElement.contains(event.target as HTMLElement)),\n            /** handle firefox contextmenu event **/\n            filter(event => event.button !== 2)\n          ),\n          fromEvent<KeyboardEvent>(document, 'keydown').pipe(filter(event => event.key === 'Escape'))\n        )\n          .pipe(first())\n          .subscribe(() => this.ngZone.run(() => this.close()))\n      )\n    );\n\n    return this.overlayRef.attach(\n      new TemplatePortal(nzDropdownMenuComponent.templateRef, nzDropdownMenuComponent.viewContainerRef)\n    );\n  }\n\n  close(clear: boolean = false): void {\n    if (this.overlayRef) {\n      this.overlayRef.detach();\n      if (clear) {\n        this.overlayRef.dispose();\n      }\n      this.overlayRef = null;\n      this.closeSubscription.unsubscribe();\n    }\n  }\n}\n"]}