ng-zorro-antd
Version:
An enterprise-class UI components based on Ant Design and Angular
44 lines • 6.44 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 { Directive } from '@angular/core';
import { distinctUntilChanged, map, startWith, tap } from 'rxjs/operators';
import * as i0 from "@angular/core";
import * as i1 from "ng-zorro-antd/cdk/resize-observer";
export class NzOverflowItemDirective {
constructor(nzResizeObserver, elementRef, cdr) {
this.nzResizeObserver = nzResizeObserver;
this.elementRef = elementRef;
this.cdr = cdr;
this.overflowStyle = undefined;
this.itemWidth$ = this.nzResizeObserver.observe(this.elementRef.nativeElement).pipe(map(([item]) => item.target.offsetWidth), distinctUntilChanged(), startWith(undefined), tap(width => {
this.itemWidth = width;
}));
this.itemWidth = undefined;
}
setItemStyle(display, order) {
const mergedHidden = !display;
this.overflowStyle = {
opacity: mergedHidden ? 0 : 1,
height: mergedHidden ? 0 : undefined,
overflowY: mergedHidden ? 'hidden' : undefined,
order: order,
pointerEvents: mergedHidden ? 'none' : undefined,
position: mergedHidden ? 'absolute' : undefined
};
this.cdr.detectChanges();
}
}
NzOverflowItemDirective.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "13.2.5", ngImport: i0, type: NzOverflowItemDirective, deps: [{ token: i1.NzResizeObserver }, { token: i0.ElementRef }, { token: i0.ChangeDetectorRef }], target: i0.ɵɵFactoryTarget.Directive });
NzOverflowItemDirective.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "12.0.0", version: "13.2.5", type: NzOverflowItemDirective, selector: "[nzOverflowItem]", host: { properties: { "style": "overflowStyle" } }, ngImport: i0 });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "13.2.5", ngImport: i0, type: NzOverflowItemDirective, decorators: [{
type: Directive,
args: [{
selector: '[nzOverflowItem]',
host: {
'[style]': 'overflowStyle'
}
}]
}], ctorParameters: function () { return [{ type: i1.NzResizeObserver }, { type: i0.ElementRef }, { type: i0.ChangeDetectorRef }]; } });
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