feat(module:tabs): support link router (NG-ZORRO#3718)

components/descriptions/nz-descriptions.component.html

@@ -1,4 +1,5 @@
-<div *ngIf="nzTitle" class="ant-descriptions-title">
+<div *ngIf="nzTitle"
+     class="ant-descriptions-title">
   <ng-container *nzStringTemplateOutlet="nzTitle">{{ nzTitle }}</ng-container>
 </div>
 <div class="ant-descriptions-view">

components/tabs/demo/link-router.md

@@ -0,0 +1,14 @@
+---
+order: 13
+title:
+  zh-CN: 路由联动
+  en-US: With Router
+---
+
+## zh-CN
+
+与路由联动，点击 tab 更改路由，并且在路由改变时自动切换 tab。
+
+## en-US
+
+Link with router.

components/tabs/demo/link-router.ts

@@ -0,0 +1,26 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'nz-demo-tabs-link-router',
+  template: `
+    <nz-tabset nzLinkRouter>
+      <nz-tab>
+        <a nz-tab-link [routerLink]="['.']" [queryParams]="{ tab: 'one' }" queryParamsHandling="merge">Default</a>
+        Default.
+      </nz-tab>
+      <nz-tab>
+        <a nz-tab-link [routerLink]="['.']" [queryParams]="{ tab: 'two' }" queryParamsHandling="merge">Two</a>
+        Two.
+      </nz-tab>
+      <nz-tab>
+        <a nz-tab-link [routerLink]="['.']" [queryParams]="{ tab: 'three' }" queryParamsHandling="merge">Three</a>
+        Three.
+      </nz-tab>
+      <nz-tab>
+        <a nz-tab-link [routerLink]="['.']" [queryParams]="{ tab: 'four' }" queryParamsHandling="merge">Four</a>
+        Four.
+      </nz-tab>
+    </nz-tabset>
+  `
+})
+export class NzDemoTabsLinkRouterComponent {}

components/tabs/doc/index.en-US.md

@@ -39,6 +39,7 @@ import { NzTabsModule } from 'ng-zorro-antd/tabs';
 | `[nzTabBarGutter]` | The gap between tabs | `number` | - |
 | `[nzHideAll]` | Whether hide all tabs | `boolean` | `false` |
 | `[nzShowPagination]` | Whether show pre or next button when exceed display area | `boolean` | `true` |
+| `[nzLinkRouter]` | Link with Angular router. It supports child mode and query param mode | `boolean` | `false` ||
 | `(nzSelectedIndexChange)` | Current tab's index change callback | `EventEmitter<number>` | - |
 | `(nzSelectChange)` | Current tab's change callback | `EventEmitter<{nzSelectedIndex: number,tab: NzTabComponent}>` | - |
 | `(nzOnNextClick)` | Callback executed when next button is clicked | `EventEmitter<void>` | - |
@@ -57,4 +58,12 @@ import { NzTabsModule } from 'ng-zorro-antd/tabs';
 
 ### [nz-tab]
 
-Tab contents can be lazy loaded by declaring the body in a `ng-template` with the `[nz-tab]` attribute.
+Tab contents can be lazy loaded by declaring the body in a `ng-template` with the `[nz-tab]` attribute.
+
+### nz-tab-link
+
+Show a link in tab's head. Used in router link mode.
+
+### Link Router
+
+This make the tabs component changes `nzSelectedIndex` with Angular route. You must use `nz-tab-link` instead of `[nzTitle]` in this situation.

components/tabs/doc/index.zh-CN.md

@@ -42,6 +42,7 @@ import { NzTabsModule } from 'ng-zorro-antd/tabs';
 | `[nzTabBarGutter]` | tabs 之间的间隙 | `number` | - |
 | `[nzHideAll]` | 是否隐藏所有tab内容 | `boolean` | `false` |
 | `[nzShowPagination]` | 是否超出范围时显示pre和next按钮 | `boolean` | `true` |
+| `[nzLinkRouter]` | 与 Angular 路由联动 | `boolean` | `false` ||
 | `(nzSelectedIndexChange)` | 当前激活 tab 面板的 序列号变更回调函数 | `EventEmitter<number>` | - |
 | `(nzSelectChange)` | 当前激活 tab 面板变更回调函数 | `EventEmitter<{nzSelectedIndex: number,tab: NzTabComponent}>` | - |
 | `(nzOnNextClick)` | next 按钮被点击的回调 | `EventEmitter<void>` | - |
@@ -58,7 +59,14 @@ import { NzTabsModule } from 'ng-zorro-antd/tabs';
 | `(nzSelect)` | tab被选中的回调函数 | `EventEmitter<void>` | - |
 | `(nzDeselect)` | tab被取消选中的回调函数 | `EventEmitter<void>` | - |
 
-
 ### [nz-tab]
 
-与 `ng-template` 一同使用，用于标记需要懒加载的 `tab` 内容，具体用法见示例。
+与 `ng-template` 一同使用，用于标记需要懒加载的 `tab` 内容，具体用法见示例。
+
+### [nz-tab-link]
+
+选项卡头显示链接，在路由联动模式下使用。
+
+### 路由联动
+
+路由联动可以让 tab 的切换和路由行为相一致。使用此功能时，title 必须通过 `nz-tab-link` 组件指定。

components/tabs/nz-tab-link.directive.ts

@@ -0,0 +1,24 @@
+/**
+ * @license
+ * Copyright Alibaba.com 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://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
+ */
+
+import { Directive, Optional, Self } from '@angular/core';
+import { RouterLink, RouterLinkWithHref } from '@angular/router';
+
+/**
+ * This component is for catching `routerLink` directive.
+ */
+@Directive({
+  selector: 'a[nz-tab-link]',
+  exportAs: 'nzTabLink'
+})
+export class NzTabLinkDirective {
+  constructor(
+    @Optional() @Self() public routerLink?: RouterLink,
+    @Optional() @Self() public routerLinkWithHref?: RouterLinkWithHref
+  ) {}
+}

components/tabs/nz-tab.component.html

@@ -1,3 +1,6 @@
-<ng-template>
+<ng-template #titleTpl>
+  <ng-content select="[nz-tab-link]"></ng-content>
+</ng-template>
+<ng-template #bodyTpl>
   <ng-content></ng-content>
 </ng-template>

components/tabs/nz-tab.component.ts

@@ -25,6 +25,8 @@ import {
 import { Subject } from 'rxjs';
 
 import { InputBoolean } from 'ng-zorro-antd/core';
+
+import { NzTabLinkDirective } from './nz-tab-link.directive';
 import { NzTabDirective } from './nz-tab.directive';
 
 @Component({
@@ -40,9 +42,12 @@ export class NzTabComponent implements OnChanges, OnDestroy {
   origin: number | null = null;
   isActive = false;
   readonly stateChanges = new Subject<void>();
-  @ViewChild(TemplateRef, { static: true }) content: TemplateRef<void>;
+  @ViewChild('bodyTpl', { static: true }) content: TemplateRef<void>;
+  @ViewChild('titleTpl', { static: true }) title: TemplateRef<void>;
   @ContentChild(NzTabDirective, { static: false, read: TemplateRef }) template: TemplateRef<void>;
+  @ContentChild(NzTabLinkDirective, { static: false }) linkDirective: NzTabLinkDirective;
   @Input() nzTitle: string | TemplateRef<void>;
+  @Input() nzRouterIdentifier: string;
   @Input() @InputBoolean() nzForceRender = false;
   @Input() @InputBoolean() nzDisabled = false;
   @Output() readonly nzClick = new EventEmitter<void>();

components/tabs/nz-tabs.module.ts

@@ -14,6 +14,7 @@ import { NzIconModule } from 'ng-zorro-antd/icon';
 
 import { NzTabBodyComponent } from './nz-tab-body.component';
 import { NzTabLabelDirective } from './nz-tab-label.directive';
+import { NzTabLinkDirective } from './nz-tab-link.directive';
 import { NzTabComponent } from './nz-tab.component';
 import { NzTabDirective } from './nz-tab.directive';
 import { NzTabsInkBarDirective } from './nz-tabs-ink-bar.directive';
@@ -28,7 +29,8 @@ import { NzTabSetComponent } from './nz-tabset.component';
     NzTabsNavComponent,
     NzTabLabelDirective,
     NzTabsInkBarDirective,
-    NzTabBodyComponent
+    NzTabBodyComponent,
+    NzTabLinkDirective
   ],
   exports: [
     NzTabComponent,
@@ -37,7 +39,8 @@ import { NzTabSetComponent } from './nz-tabset.component';
     NzTabsNavComponent,
     NzTabLabelDirective,
     NzTabsInkBarDirective,
-    NzTabBodyComponent
+    NzTabBodyComponent,
+    NzTabLinkDirective
   ],
   imports: [CommonModule, ObserversModule, NzIconModule, NzAddOnModule]
 })

components/tabs/nz-tabs.spec.ts

@@ -1,6 +1,10 @@
+import { CommonModule } from '@angular/common';
 import { Component, DebugElement, TemplateRef, ViewChild, ViewEncapsulation } from '@angular/core';
-import { fakeAsync, tick, ComponentFixture, TestBed } from '@angular/core/testing';
+import { fakeAsync, flush, tick, ComponentFixture, TestBed } from '@angular/core/testing';
 import { By } from '@angular/platform-browser';
+import { Router, Routes } from '@angular/router';
+import { RouterTestingModule } from '@angular/router/testing';
+
 import { NgStyleInterface } from 'ng-zorro-antd/core';
 
 import { NzTabsModule } from './nz-tabs.module';
@@ -481,6 +485,67 @@ describe('tabs', () => {
   });
 });
 
+describe('link router', () => {
+  let fixture: ComponentFixture<NzTestTabsLinkRouterComponent>;
+  let tabs: DebugElement;
+  let router: Router;
+
+  describe('basic', () => {
+    beforeEach(() => {
+      TestBed.configureTestingModule({
+        imports: [CommonModule, NzTabsModule, RouterTestingModule.withRoutes(routes)],
+        declarations: [NzTestTabsLinkRouterComponent]
+      }).compileComponents();
+
+      fixture = TestBed.createComponent(NzTestTabsLinkRouterComponent);
+      fixture.detectChanges();
+
+      tabs = fixture.debugElement.query(By.directive(NzTabSetComponent));
+    });
+
+    it('should child route mode works', fakeAsync(() => {
+      fixture.ngZone!.run(() => {
+        router = TestBed.get(Router);
+        router.initialNavigation();
+
+        fixture.detectChanges();
+        expect((tabs.componentInstance as NzTabSetComponent).nzSelectedIndex).toBe(0);
+
+        router.navigate(['.', 'two']);
+        fixture.detectChanges();
+        tick(200);
+        fixture.detectChanges();
+        expect((tabs.componentInstance as NzTabSetComponent).nzSelectedIndex).toBe(1);
+
+        flush();
+        // const titles = tabs.nativeElement.querySelectorAll('.ant-tabs-tab');
+        // titles[0].click();
+        // fixture.detectChanges();
+        // tick(200);
+        // fixture.detectChanges();
+        // expect(location.path()).toBe('/');
+      });
+    }));
+  });
+
+  describe('throw error', () => {
+    beforeEach(() => {
+      TestBed.configureTestingModule({
+        imports: [NzTabsModule],
+        declarations: [NzTestTabsLinkRouterComponent]
+      });
+    });
+
+    it('should raise error when routerModule is not imported', () => {
+      expect(() => {
+        TestBed.compileComponents();
+        fixture = TestBed.createComponent(NzTestTabsLinkRouterComponent);
+        fixture.detectChanges();
+      }).toThrowError();
+    });
+  });
+});
+
 @Component({
   encapsulation: ViewEncapsulation.None,
   styleUrls: ['../style/index.less', './style/index.less'],
@@ -575,3 +640,37 @@ export class NzTestTabsBasicComponent {
 export class NzTestTabsTabPositionLeftComponent {
   tabs = [1, 2, 3];
 }
+
+@Component({
+  template: `
+    <nz-tabset nzLinkRouter>
+      <nz-tab nzTitle="default">
+        <a nz-tab-link [routerLink]="['.']">One</a>
+        One
+      </nz-tab>
+      <nz-tab nzTitle="two">
+        <a nz-tab-link [routerLink]="['.', 'two']">Two</a>
+        Two
+      </nz-tab>
+    </nz-tabset>
+    <router-outlet></router-outlet>
+  `
+})
+export class NzTestTabsLinkRouterComponent {}
+
+const routes: Routes = [
+  {
+    path: '',
+    component: NzTestTabsLinkRouterComponent,
+    data: {
+      path: ''
+    }
+  },
+  {
+    path: 'two',
+    component: NzTestTabsLinkRouterComponent,
+    data: {
+      path: 'two'
+    }
+  }
+];

components/tabs/nz-tabset.component.html

@@ -28,7 +28,7 @@
       [disabled]="tab.nzDisabled"
       (click)="clickLabel(i,tab.nzDisabled)"
       *ngFor="let tab of listOfNzTabComponent; let i = index">
-      <ng-container *nzStringTemplateOutlet="tab.nzTitle">{{ tab.nzTitle }}</ng-container>
+      <ng-container *nzStringTemplateOutlet="tab.nzTitle || tab.title">{{ tab.nzTitle }}</ng-container>
     </div>
   </div>
   <div #tabContent