feat(module:modal): support triggerOk/triggerCancel to trigger nzOnOk…

…/nzOnCancel manually (NG-ZORRO#1201)

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

@@ -110,6 +110,8 @@ The dialog created by the service method `NzModalService.xxx()` will return a `N
 | close()                   | Close (hide) the dialog. <i>Note: When used for a dialog created as a service, this method will destroy the dialog directly (as with the destroy method)</i> |
 | destroy()                 | Destroy the dialog. <i>Note: Used only for dialogs created by the service (non-service created dialogs, this method only hides the dialog)</i> |
 | getContentComponent()  | Gets the Component instance in the contents of the dialog for `nzContent`. <i> Note: When the dialog is not initialized (`ngOnInit` is not executed), this function will return `undefined`</i> |
+| triggerOk()               | Manually trigger nzOnOk |
+| triggerCancel()           | Manually trigger nzOnCancel |
 
 #### ModalButtonOptions (used to customize the bottom button)
 

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

@@ -108,7 +108,9 @@ constructor(modal: NzModalService) {
 | open()                    | 打开(显示)对话框。<i>若对话框已销毁，则调用此函数将失效</i> |
 | close(result: any)        | 关闭(隐藏)对话框。<i>注：当用于以服务方式创建的对话框，此方法将直接 销毁 对话框（同destroy方法）</i> |
 | destroy(result: any)      | 销毁对话框。<i>注：仅用于服务方式创建的对话框（非服务方式创建的对话框，此方法只会隐藏对话框）</i> |
-| getContentComponent()  | 获取对话框内容中`nzContent`的Component实例instance。<i>注：当对话框还未初始化完毕（`ngOnInit`未执行）时，此函数将返回`undefined`</i> |
+| getContentComponent()     | 获取对话框内容中`nzContent`的Component实例instance。<i>注：当对话框还未初始化完毕（`ngOnInit`未执行）时，此函数将返回`undefined`</i> |
+| triggerOk()               | 手动触发nzOnOk |
+| triggerCancel()           | 手动触发nzOnCancel |
 
 #### ModalButtonOptions（用于自定义底部按钮）
 

components/modal/nz-modal-ref.class.ts

@@ -15,6 +15,12 @@ export abstract class NzModalRef<T = any, R = any> { // tslint:disable-line:no-a
   abstract close(result?: R): void;
   abstract destroy(result?: R): void;
 
+  /**
+   * Trigger the nzOnOk/nzOnCancel by manual
+   */
+  abstract triggerOk(): void;
+  abstract triggerCancel(): void;
+
   // /**
   //  * Return the ComponentRef of nzContent when specify nzContent as a Component
   //  * Note: this method may return undefined if the Component has not ready yet. (it only available after Modal's ngOnInit)

components/modal/nz-modal.component.ts

@@ -202,6 +202,14 @@ export class NzModalComponent<T = any, R = any> extends NzModalRef<T, R> impleme
     this.close(result);
   }
 
+  triggerOk(): void {
+    this.onClickOkCancel('ok');
+  }
+
+  triggerCancel(): void {
+    this.onClickOkCancel('cancel');
+  }
+
   getInstance(): NzModalComponent {
     return this;
   }

components/modal/nz-modal.spec.ts

@@ -425,6 +425,23 @@ describe('NzModal', () => {
       tick(600);
       expect(modalService.openModals.length).toBe(1);
     }));
+
+    it('should trigger nzOnOk/nzOnCancel', () => {
+      const spyOk = jasmine.createSpy('ok spy');
+      const spyCancel = jasmine.createSpy('cancel spy');
+      const modalRef: NzModalRef = modalService.create({
+        nzOnOk: spyOk,
+        nzOnCancel: spyCancel
+      });
+
+      fixture.detectChanges();
+
+      modalRef.triggerOk();
+      expect(spyOk).toHaveBeenCalled();
+
+      modalRef.triggerCancel();
+      expect(spyCancel).toHaveBeenCalled();
+    });
   });
 });