ng-zorro-antd
Version:
An enterprise-class UI components based on Ant Design and Angular
149 lines • 20.3 kB
JavaScript
import { ChangeDetectionStrategy, Component, Input, Optional, ViewEncapsulation, booleanAttribute } from '@angular/core';
import { ActivatedRoute, NavigationEnd, PRIMARY_OUTLET, Router } from '@angular/router';
import { Subject } from 'rxjs';
import { filter, startWith, takeUntil } from 'rxjs/operators';
import { PREFIX } from 'ng-zorro-antd/core/logger';
import { NzBreadcrumb } from './breadcrumb';
import { NzBreadCrumbItemComponent } from './breadcrumb-item.component';
import * as i0 from "@angular/core";
import * as i1 from "@angular/cdk/bidi";
export class NzBreadCrumbComponent {
constructor(injector, cdr, elementRef, renderer, directionality) {
this.injector = injector;
this.cdr = cdr;
this.elementRef = elementRef;
this.renderer = renderer;
this.directionality = directionality;
this.nzAutoGenerate = false;
this.nzSeparator = '/';
this.nzRouteLabel = 'breadcrumb';
this.nzRouteLabelFn = label => label;
this.breadcrumbs = [];
this.dir = 'ltr';
this.destroy$ = new Subject();
}
ngOnInit() {
if (this.nzAutoGenerate) {
this.registerRouterChange();
}
this.directionality.change?.pipe(takeUntil(this.destroy$)).subscribe((direction) => {
this.dir = direction;
this.prepareComponentForRtl();
this.cdr.detectChanges();
});
this.dir = this.directionality.value;
this.prepareComponentForRtl();
}
ngOnDestroy() {
this.destroy$.next();
this.destroy$.complete();
}
navigate(url, e) {
e.preventDefault();
this.injector.get(Router).navigateByUrl(url);
}
registerRouterChange() {
try {
const router = this.injector.get(Router);
const activatedRoute = this.injector.get(ActivatedRoute);
router.events
.pipe(filter(e => e instanceof NavigationEnd), takeUntil(this.destroy$), startWith(true) // trigger initial render
)
.subscribe(() => {
this.breadcrumbs = this.getBreadcrumbs(activatedRoute.root);
this.cdr.markForCheck();
});
}
catch (e) {
throw new Error(`${PREFIX} You should import RouterModule if you want to use 'NzAutoGenerate'.`);
}
}
getBreadcrumbs(route, url = '', breadcrumbs = []) {
const children = route.children;
// If there's no sub root, then stop the recurse and returns the generated breadcrumbs.
if (children.length === 0) {
return breadcrumbs;
}
for (const child of children) {
if (child.outlet === PRIMARY_OUTLET) {
// Only parse components in primary router-outlet (in another word, router-outlet without a specific name).
// Parse this layer and generate a breadcrumb item.
const routeUrl = child.snapshot.url
.map(segment => segment.path)
.filter(path => path)
.join('/');
// Do not change nextUrl if routeUrl is falsy. This happens when it's a route lazy loading other modules.
const nextUrl = routeUrl ? `${url}/${routeUrl}` : url;
const breadcrumbLabel = this.nzRouteLabelFn(child.snapshot.data[this.nzRouteLabel]);
// If have data, go to generate a breadcrumb for it.
if (routeUrl && breadcrumbLabel) {
const breadcrumb = {
label: breadcrumbLabel,
params: child.snapshot.params,
url: nextUrl
};
breadcrumbs.push(breadcrumb);
}
return this.getBreadcrumbs(child, nextUrl, breadcrumbs);
}
}
return breadcrumbs;
}
prepareComponentForRtl() {
if (this.dir === 'rtl') {
this.renderer.addClass(this.elementRef.nativeElement, 'ant-breadcrumb-rtl');
}
else {
this.renderer.removeClass(this.elementRef.nativeElement, 'ant-breadcrumb-rtl');
}
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.0.1", ngImport: i0, type: NzBreadCrumbComponent, deps: [{ token: i0.Injector }, { token: i0.ChangeDetectorRef }, { token: i0.ElementRef }, { token: i0.Renderer2 }, { token: i1.Directionality, optional: true }], target: i0.ɵɵFactoryTarget.Component }); }
static { this.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "17.0.0", version: "18.0.1", type: NzBreadCrumbComponent, isStandalone: true, selector: "nz-breadcrumb", inputs: { nzAutoGenerate: ["nzAutoGenerate", "nzAutoGenerate", booleanAttribute], nzSeparator: "nzSeparator", nzRouteLabel: "nzRouteLabel", nzRouteLabelFn: "nzRouteLabelFn" }, host: { classAttribute: "ant-breadcrumb" }, providers: [{ provide: NzBreadcrumb, useExisting: NzBreadCrumbComponent }], exportAs: ["nzBreadcrumb"], ngImport: i0, template: `
<ng-content />
(nzAutoGenerate && breadcrumbs.length) {
(breadcrumb of breadcrumbs; track breadcrumb.url) {
<nz-breadcrumb-item>
<a [attr.href]="breadcrumb.url" (click)="navigate(breadcrumb.url, $event)">{{ breadcrumb.label }}</a>
</nz-breadcrumb-item>
}
}
`, isInline: true, dependencies: [{ kind: "component", type: NzBreadCrumbItemComponent, selector: "nz-breadcrumb-item", inputs: ["nzOverlay"], exportAs: ["nzBreadcrumbItem"] }], changeDetection: i0.ChangeDetectionStrategy.OnPush, encapsulation: i0.ViewEncapsulation.None }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.0.1", ngImport: i0, type: NzBreadCrumbComponent, decorators: [{
type: Component,
args: [{
changeDetection: ChangeDetectionStrategy.OnPush,
encapsulation: ViewEncapsulation.None,
selector: 'nz-breadcrumb',
exportAs: 'nzBreadcrumb',
preserveWhitespaces: false,
providers: [{ provide: NzBreadcrumb, useExisting: NzBreadCrumbComponent }],
standalone: true,
imports: [NzBreadCrumbItemComponent],
template: `
<ng-content />
(nzAutoGenerate && breadcrumbs.length) {
(breadcrumb of breadcrumbs; track breadcrumb.url) {
<nz-breadcrumb-item>
<a [attr.href]="breadcrumb.url" (click)="navigate(breadcrumb.url, $event)">{{ breadcrumb.label }}</a>
</nz-breadcrumb-item>
}
}
`,
host: {
class: 'ant-breadcrumb'
}
}]
}], ctorParameters: () => [{ type: i0.Injector }, { type: i0.ChangeDetectorRef }, { type: i0.ElementRef }, { type: i0.Renderer2 }, { type: i1.Directionality, decorators: [{
type: Optional
}] }], propDecorators: { nzAutoGenerate: [{
type: Input,
args: [{ transform: booleanAttribute }]
}], nzSeparator: [{
type: Input
}], nzRouteLabel: [{
type: Input
}], nzRouteLabelFn: [{
type: Input
}] } });
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* Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE\n */\n\nimport { Direction, Directionality } from '@angular/cdk/bidi';\nimport {\n  ChangeDetectionStrategy,\n  ChangeDetectorRef,\n  Component,\n  ElementRef,\n  Injector,\n  Input,\n  OnDestroy,\n  OnInit,\n  Optional,\n  Renderer2,\n  TemplateRef,\n  ViewEncapsulation,\n  booleanAttribute\n} from '@angular/core';\nimport { ActivatedRoute, NavigationEnd, PRIMARY_OUTLET, Params, Router } from '@angular/router';\nimport { Subject } from 'rxjs';\nimport { filter, startWith, takeUntil } from 'rxjs/operators';\n\nimport { PREFIX } from 'ng-zorro-antd/core/logger';\n\nimport { NzBreadcrumb } from './breadcrumb';\nimport { NzBreadCrumbItemComponent } from './breadcrumb-item.component';\n\nexport interface BreadcrumbOption {\n  label: string;\n  params: Params;\n  url: string;\n}\n\n@Component({\n  changeDetection: ChangeDetectionStrategy.OnPush,\n  encapsulation: ViewEncapsulation.None,\n  selector: 'nz-breadcrumb',\n  exportAs: 'nzBreadcrumb',\n  preserveWhitespaces: false,\n  providers: [{ provide: NzBreadcrumb, useExisting: NzBreadCrumbComponent }],\n  standalone: true,\n  imports: [NzBreadCrumbItemComponent],\n  template: `\n    <ng-content />\n    @if (nzAutoGenerate && breadcrumbs.length) {\n      @for (breadcrumb of breadcrumbs; track breadcrumb.url) {\n        <nz-breadcrumb-item>\n          <a [attr.href]=\"breadcrumb.url\" (click)=\"navigate(breadcrumb.url, $event)\">{{ breadcrumb.label }}</a>\n        </nz-breadcrumb-item>\n      }\n    }\n  `,\n  host: {\n    class: 'ant-breadcrumb'\n  }\n})\nexport class NzBreadCrumbComponent implements OnInit, OnDestroy, NzBreadcrumb {\n  @Input({ transform: booleanAttribute }) nzAutoGenerate = false;\n  @Input() nzSeparator: string | TemplateRef<void> | null = '/';\n  @Input() nzRouteLabel: string = 'breadcrumb';\n  @Input() nzRouteLabelFn: (label: string) => string = label => label;\n\n  breadcrumbs: BreadcrumbOption[] = [];\n  dir: Direction = 'ltr';\n\n  private destroy$ = new Subject<void>();\n\n  constructor(\n    private injector: Injector,\n    private cdr: ChangeDetectorRef,\n    private elementRef: ElementRef,\n    private renderer: Renderer2,\n    @Optional() private directionality: Directionality\n  ) {}\n\n  ngOnInit(): void {\n    if (this.nzAutoGenerate) {\n      this.registerRouterChange();\n    }\n\n    this.directionality.change?.pipe(takeUntil(this.destroy$)).subscribe((direction: Direction) => {\n      this.dir = direction;\n      this.prepareComponentForRtl();\n      this.cdr.detectChanges();\n    });\n\n    this.dir = this.directionality.value;\n    this.prepareComponentForRtl();\n  }\n\n  ngOnDestroy(): void {\n    this.destroy$.next();\n    this.destroy$.complete();\n  }\n\n  navigate(url: string, e: MouseEvent): void {\n    e.preventDefault();\n    this.injector.get(Router).navigateByUrl(url);\n  }\n\n  private registerRouterChange(): void {\n    try {\n      const router = this.injector.get(Router);\n      const activatedRoute = this.injector.get(ActivatedRoute);\n      router.events\n        .pipe(\n          filter(e => e instanceof NavigationEnd),\n          takeUntil(this.destroy$),\n          startWith(true) // trigger initial render\n        )\n        .subscribe(() => {\n          this.breadcrumbs = this.getBreadcrumbs(activatedRoute.root);\n          this.cdr.markForCheck();\n        });\n    } catch (e) {\n      throw new Error(`${PREFIX} You should import RouterModule if you want to use 'NzAutoGenerate'.`);\n    }\n  }\n\n  private getBreadcrumbs(\n    route: ActivatedRoute,\n    url: string = '',\n    breadcrumbs: BreadcrumbOption[] = []\n  ): BreadcrumbOption[] {\n    const children: ActivatedRoute[] = route.children;\n\n    // If there's no sub root, then stop the recurse and returns the generated breadcrumbs.\n    if (children.length === 0) {\n      return breadcrumbs;\n    }\n\n    for (const child of children) {\n      if (child.outlet === PRIMARY_OUTLET) {\n        // Only parse components in primary router-outlet (in another word, router-outlet without a specific name).\n        // Parse this layer and generate a breadcrumb item.\n        const routeUrl: string = child.snapshot.url\n          .map(segment => segment.path)\n          .filter(path => path)\n          .join('/');\n\n        // Do not change nextUrl if routeUrl is falsy. This happens when it's a route lazy loading other modules.\n        const nextUrl = routeUrl ? `${url}/${routeUrl}` : url;\n        const breadcrumbLabel = this.nzRouteLabelFn(child.snapshot.data[this.nzRouteLabel]);\n\n        // If have data, go to generate a breadcrumb for it.\n        if (routeUrl && breadcrumbLabel) {\n          const breadcrumb: BreadcrumbOption = {\n            label: breadcrumbLabel,\n            params: child.snapshot.params,\n            url: nextUrl\n          };\n          breadcrumbs.push(breadcrumb);\n        }\n\n        return this.getBreadcrumbs(child, nextUrl, breadcrumbs);\n      }\n    }\n\n    return breadcrumbs;\n  }\n\n  private prepareComponentForRtl(): void {\n    if (this.dir === 'rtl') {\n      this.renderer.addClass(this.elementRef.nativeElement, 'ant-breadcrumb-rtl');\n    } else {\n      this.renderer.removeClass(this.elementRef.nativeElement, 'ant-breadcrumb-rtl');\n    }\n  }\n}\n"]}