ng-zorro-antd
Version:
An enterprise-class UI components based on Ant Design and Angular
80 lines • 11.9 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 { Inject, Injectable, Optional, SkipSelf } from '@angular/core';
import { BehaviorSubject, combineLatest, merge, Subject } from 'rxjs';
import { auditTime, distinctUntilChanged, filter, map, mapTo, mergeMap, takeUntil } from 'rxjs/operators';
import { MenuService } from './menu.service';
import { NzIsMenuInsideDropDownToken } from './menu.token';
export class NzSubmenuService {
constructor(nzHostSubmenuService, nzMenuService, isMenuInsideDropDown) {
this.nzHostSubmenuService = nzHostSubmenuService;
this.nzMenuService = nzMenuService;
this.isMenuInsideDropDown = isMenuInsideDropDown;
this.mode$ = this.nzMenuService.mode$.pipe(map(mode => {
if (mode === 'inline') {
return 'inline';
/** if inside another submenu, set the mode to vertical **/
}
else if (mode === 'vertical' || this.nzHostSubmenuService) {
return 'vertical';
}
else {
return 'horizontal';
}
}));
this.level = 1;
this.isCurrentSubMenuOpen$ = new BehaviorSubject(false);
this.isChildSubMenuOpen$ = new BehaviorSubject(false);
/** submenu title & overlay mouse enter status **/
this.isMouseEnterTitleOrOverlay$ = new Subject();
this.childMenuItemClick$ = new Subject();
this.destroy$ = new Subject();
if (this.nzHostSubmenuService) {
this.level = this.nzHostSubmenuService.level + 1;
}
/** close if menu item clicked **/
const isClosedByMenuItemClick = this.childMenuItemClick$.pipe(mergeMap(() => this.mode$), filter(mode => mode !== 'inline' || this.isMenuInsideDropDown), mapTo(false));
const isCurrentSubmenuOpen$ = merge(this.isMouseEnterTitleOrOverlay$, isClosedByMenuItemClick);
/** combine the child submenu status with current submenu status to calculate host submenu open **/
const isSubMenuOpenWithDebounce$ = combineLatest([this.isChildSubMenuOpen$, isCurrentSubmenuOpen$]).pipe(map(([isChildSubMenuOpen, isCurrentSubmenuOpen]) => isChildSubMenuOpen || isCurrentSubmenuOpen), auditTime(150), distinctUntilChanged(), takeUntil(this.destroy$));
isSubMenuOpenWithDebounce$.pipe(distinctUntilChanged()).subscribe(data => {
this.setOpenStateWithoutDebounce(data);
if (this.nzHostSubmenuService) {
/** set parent submenu's child submenu open status **/
this.nzHostSubmenuService.isChildSubMenuOpen$.next(data);
}
else {
this.nzMenuService.isChildSubMenuOpen$.next(data);
}
});
}
/**
* menu item inside submenu clicked
*
* @param menu
*/
onChildMenuItemClick(menu) {
this.childMenuItemClick$.next(menu);
}
setOpenStateWithoutDebounce(value) {
this.isCurrentSubMenuOpen$.next(value);
}
setMouseEnterTitleOrOverlayState(value) {
this.isMouseEnterTitleOrOverlay$.next(value);
}
ngOnDestroy() {
this.destroy$.next();
this.destroy$.complete();
}
}
NzSubmenuService.decorators = [
{ type: Injectable }
];
NzSubmenuService.ctorParameters = () => [
{ type: NzSubmenuService, decorators: [{ type: SkipSelf }, { type: Optional }] },
{ type: MenuService },
{ type: Boolean, decorators: [{ type: Inject, args: [NzIsMenuInsideDropDownToken,] }] }
];
//# 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* Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE\n */\n\nimport { Inject, Injectable, OnDestroy, Optional, SkipSelf } from '@angular/core';\nimport { BehaviorSubject, combineLatest, merge, Observable, Subject } from 'rxjs';\nimport { auditTime, distinctUntilChanged, filter, map, mapTo, mergeMap, takeUntil } from 'rxjs/operators';\n\nimport { NzSafeAny } from 'ng-zorro-antd/core/types';\n\nimport { MenuService } from './menu.service';\nimport { NzIsMenuInsideDropDownToken } from './menu.token';\nimport { NzMenuModeType } from './menu.types';\n\n@Injectable()\nexport class NzSubmenuService implements OnDestroy {\n  mode$: Observable<NzMenuModeType> = this.nzMenuService.mode$.pipe(\n    map(mode => {\n      if (mode === 'inline') {\n        return 'inline';\n        /** if inside another submenu, set the mode to vertical **/\n      } else if (mode === 'vertical' || this.nzHostSubmenuService) {\n        return 'vertical';\n      } else {\n        return 'horizontal';\n      }\n    })\n  );\n  level = 1;\n  isCurrentSubMenuOpen$ = new BehaviorSubject<boolean>(false);\n  private isChildSubMenuOpen$ = new BehaviorSubject<boolean>(false);\n  /** submenu title & overlay mouse enter status **/\n  private isMouseEnterTitleOrOverlay$ = new Subject<boolean>();\n  private childMenuItemClick$ = new Subject<NzSafeAny>();\n  private destroy$ = new Subject<void>();\n  /**\n   * menu item inside submenu clicked\n   *\n   * @param menu\n   */\n  onChildMenuItemClick(menu: NzSafeAny): void {\n    this.childMenuItemClick$.next(menu);\n  }\n  setOpenStateWithoutDebounce(value: boolean): void {\n    this.isCurrentSubMenuOpen$.next(value);\n  }\n  setMouseEnterTitleOrOverlayState(value: boolean): void {\n    this.isMouseEnterTitleOrOverlay$.next(value);\n  }\n\n  constructor(\n    @SkipSelf() @Optional() private nzHostSubmenuService: NzSubmenuService,\n    public nzMenuService: MenuService,\n    @Inject(NzIsMenuInsideDropDownToken) public isMenuInsideDropDown: boolean\n  ) {\n    if (this.nzHostSubmenuService) {\n      this.level = this.nzHostSubmenuService.level + 1;\n    }\n    /** close if menu item clicked **/\n    const isClosedByMenuItemClick = this.childMenuItemClick$.pipe(\n      mergeMap(() => this.mode$),\n      filter(mode => mode !== 'inline' || this.isMenuInsideDropDown),\n      mapTo(false)\n    );\n    const isCurrentSubmenuOpen$ = merge(this.isMouseEnterTitleOrOverlay$, isClosedByMenuItemClick);\n    /** combine the child submenu status with current submenu status to calculate host submenu open **/\n    const isSubMenuOpenWithDebounce$ = combineLatest([this.isChildSubMenuOpen$, isCurrentSubmenuOpen$]).pipe(\n      map(([isChildSubMenuOpen, isCurrentSubmenuOpen]) => isChildSubMenuOpen || isCurrentSubmenuOpen),\n      auditTime(150),\n      distinctUntilChanged(),\n      takeUntil(this.destroy$)\n    );\n    isSubMenuOpenWithDebounce$.pipe(distinctUntilChanged()).subscribe(data => {\n      this.setOpenStateWithoutDebounce(data);\n      if (this.nzHostSubmenuService) {\n        /** set parent submenu's child submenu open status **/\n        this.nzHostSubmenuService.isChildSubMenuOpen$.next(data);\n      } else {\n        this.nzMenuService.isChildSubMenuOpen$.next(data);\n      }\n    });\n  }\n\n  ngOnDestroy(): void {\n    this.destroy$.next();\n    this.destroy$.complete();\n  }\n}\n"]}