ng-zorro-antd
Version:
An enterprise-class UI components based on Ant Design and Angular
191 lines (185 loc) • 9.53 kB
JavaScript
import { __decorate } from 'tslib';
import * as i5 from '@angular/common';
import { DOCUMENT, CommonModule } from '@angular/common';
import * as i0 from '@angular/core';
import { EventEmitter, Component, ChangeDetectionStrategy, ViewEncapsulation, Inject, Optional, Input, Output, ViewChild, NgModule } from '@angular/core';
import { Subject, Subscription, fromEvent } from 'rxjs';
import { takeUntil, debounceTime } from 'rxjs/operators';
import { fadeMotion } from 'ng-zorro-antd/core/animation';
import * as i1 from 'ng-zorro-antd/core/config';
import { WithConfig } from 'ng-zorro-antd/core/config';
import * as i2 from 'ng-zorro-antd/core/services';
import { NzDestroyService } from 'ng-zorro-antd/core/services';
import { InputNumber } from 'ng-zorro-antd/core/util';
import * as i3 from '@angular/cdk/platform';
import { PlatformModule } from '@angular/cdk/platform';
import * as i4 from '@angular/cdk/bidi';
import { BidiModule } from '@angular/cdk/bidi';
import * as i6 from 'ng-zorro-antd/icon';
import { NzIconModule } from 'ng-zorro-antd/icon';
const NZ_CONFIG_MODULE_NAME = 'backTop';
class NzBackTopComponent {
constructor(doc, nzConfigService, scrollSrv, platform, cd, zone, cdr, destroy$, directionality) {
this.doc = doc;
this.nzConfigService = nzConfigService;
this.scrollSrv = scrollSrv;
this.platform = platform;
this.cd = cd;
this.zone = zone;
this.cdr = cdr;
this.destroy$ = destroy$;
this.directionality = directionality;
this._nzModuleName = NZ_CONFIG_MODULE_NAME;
this.scrollListenerDestroy$ = new Subject();
this.target = null;
this.visible = false;
this.dir = 'ltr';
this.nzVisibilityHeight = 400;
this.nzDuration = 450;
this.nzClick = new EventEmitter();
this.backTopClickSubscription = Subscription.EMPTY;
this.dir = this.directionality.value;
}
set backTop(backTop) {
if (backTop) {
this.backTopClickSubscription.unsubscribe();
this.backTopClickSubscription = this.zone.runOutsideAngular(() => fromEvent(backTop.nativeElement, 'click')
.pipe(takeUntil(this.destroy$))
.subscribe(() => {
this.scrollSrv.scrollTo(this.getTarget(), 0, { duration: this.nzDuration });
if (this.nzClick.observers.length) {
this.zone.run(() => this.nzClick.emit(true));
}
}));
}
}
ngOnInit() {
this.registerScrollEvent();
this.directionality.change?.pipe(takeUntil(this.destroy$)).subscribe((direction) => {
this.dir = direction;
this.cdr.detectChanges();
});
this.dir = this.directionality.value;
}
getTarget() {
return this.target || window;
}
handleScroll() {
if (this.visible === this.scrollSrv.getScroll(this.getTarget()) > this.nzVisibilityHeight) {
return;
}
this.visible = !this.visible;
this.cd.detectChanges();
}
registerScrollEvent() {
if (!this.platform.isBrowser) {
return;
}
this.scrollListenerDestroy$.next();
this.handleScroll();
this.zone.runOutsideAngular(() => {
fromEvent(this.getTarget(), 'scroll')
.pipe(debounceTime(50), takeUntil(this.scrollListenerDestroy$))
.subscribe(() => this.handleScroll());
});
}
ngOnDestroy() {
this.scrollListenerDestroy$.next();
this.scrollListenerDestroy$.complete();
}
ngOnChanges(changes) {
const { nzTarget } = changes;
if (nzTarget) {
this.target = typeof this.nzTarget === 'string' ? this.doc.querySelector(this.nzTarget) : this.nzTarget;
this.registerScrollEvent();
}
}
}
NzBackTopComponent.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "13.2.5", ngImport: i0, type: NzBackTopComponent, deps: [{ token: DOCUMENT }, { token: i1.NzConfigService }, { token: i2.NzScrollService }, { token: i3.Platform }, { token: i0.ChangeDetectorRef }, { token: i0.NgZone }, { token: i0.ChangeDetectorRef }, { token: i2.NzDestroyService }, { token: i4.Directionality, optional: true }], target: i0.ɵɵFactoryTarget.Component });
NzBackTopComponent.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "12.0.0", version: "13.2.5", type: NzBackTopComponent, selector: "nz-back-top", inputs: { nzTemplate: "nzTemplate", nzVisibilityHeight: "nzVisibilityHeight", nzTarget: "nzTarget", nzDuration: "nzDuration" }, outputs: { nzClick: "nzClick" }, providers: [NzDestroyService], viewQueries: [{ propertyName: "backTop", first: true, predicate: ["backTop"], descendants: true }], exportAs: ["nzBackTop"], usesOnChanges: true, ngImport: i0, template: `
<div #backTop class="ant-back-top" [class.ant-back-top-rtl]="dir === 'rtl'" *ngIf="visible">
<ng-template #defaultContent>
<div class="ant-back-top-content">
<div class="ant-back-top-icon">
<i nz-icon nzType="vertical-align-top"></i>
</div>
</div>
</ng-template>
<ng-template [ngTemplateOutlet]="nzTemplate || defaultContent"></ng-template>
</div>
`, isInline: true, directives: [{ type: i5.NgIf, selector: "[ngIf]", inputs: ["ngIf", "ngIfThen", "ngIfElse"] }, { type: i6.NzIconDirective, selector: "[nz-icon]", inputs: ["nzSpin", "nzRotate", "nzType", "nzTheme", "nzTwotoneColor", "nzIconfont"], exportAs: ["nzIcon"] }, { type: i5.NgTemplateOutlet, selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet"] }], animations: [fadeMotion], changeDetection: i0.ChangeDetectionStrategy.OnPush, encapsulation: i0.ViewEncapsulation.None });
__decorate([
WithConfig(),
InputNumber()
], NzBackTopComponent.prototype, "nzVisibilityHeight", void 0);
__decorate([
InputNumber()
], NzBackTopComponent.prototype, "nzDuration", void 0);
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "13.2.5", ngImport: i0, type: NzBackTopComponent, decorators: [{
type: Component,
args: [{
selector: 'nz-back-top',
exportAs: 'nzBackTop',
animations: [fadeMotion],
template: `
<div #backTop class="ant-back-top" [class.ant-back-top-rtl]="dir === 'rtl'" *ngIf="visible">
<ng-template #defaultContent>
<div class="ant-back-top-content">
<div class="ant-back-top-icon">
<i nz-icon nzType="vertical-align-top"></i>
</div>
</div>
</ng-template>
<ng-template [ngTemplateOutlet]="nzTemplate || defaultContent"></ng-template>
</div>
`,
changeDetection: ChangeDetectionStrategy.OnPush,
encapsulation: ViewEncapsulation.None,
preserveWhitespaces: false,
providers: [NzDestroyService]
}]
}], ctorParameters: function () { return [{ type: undefined, decorators: [{
type: Inject,
args: [DOCUMENT]
}] }, { type: i1.NzConfigService }, { type: i2.NzScrollService }, { type: i3.Platform }, { type: i0.ChangeDetectorRef }, { type: i0.NgZone }, { type: i0.ChangeDetectorRef }, { type: i2.NzDestroyService }, { type: i4.Directionality, decorators: [{
type: Optional
}] }]; }, propDecorators: { nzTemplate: [{
type: Input
}], nzVisibilityHeight: [{
type: Input
}], nzTarget: [{
type: Input
}], nzDuration: [{
type: Input
}], nzClick: [{
type: Output
}], backTop: [{
type: ViewChild,
args: ['backTop', { static: false }]
}] } });
/**
* 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
*/
class NzBackTopModule {
}
NzBackTopModule.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "13.2.5", ngImport: i0, type: NzBackTopModule, deps: [], target: i0.ɵɵFactoryTarget.NgModule });
NzBackTopModule.ɵmod = i0.ɵɵngDeclareNgModule({ minVersion: "12.0.0", version: "13.2.5", ngImport: i0, type: NzBackTopModule, declarations: [NzBackTopComponent], imports: [BidiModule, CommonModule, PlatformModule, NzIconModule], exports: [NzBackTopComponent] });
NzBackTopModule.ɵinj = i0.ɵɵngDeclareInjector({ minVersion: "12.0.0", version: "13.2.5", ngImport: i0, type: NzBackTopModule, imports: [[BidiModule, CommonModule, PlatformModule, NzIconModule]] });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "13.2.5", ngImport: i0, type: NzBackTopModule, decorators: [{
type: NgModule,
args: [{
declarations: [NzBackTopComponent],
exports: [NzBackTopComponent],
imports: [BidiModule, CommonModule, PlatformModule, NzIconModule]
}]
}] });
/**
* 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
*/
/**
* Generated bundle index. Do not edit.
*/
export { NzBackTopComponent, NzBackTopModule };
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