ng-zorro-antd
Version:
An enterprise-class UI components based on Ant Design and Angular
359 lines • 33.1 kB
JavaScript
/**
* @fileoverview added by tsickle
* Generated from: dropdown.directive.ts
* @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
import { __decorate, __metadata } from "tslib";
/**
* @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 { ESCAPE, hasModifierKey } from '@angular/cdk/keycodes';
import { Overlay } from '@angular/cdk/overlay';
import { TemplatePortal } from '@angular/cdk/portal';
import { Directive, ElementRef, EventEmitter, Input, Output, ViewContainerRef } from '@angular/core';
import { POSITION_MAP } from 'ng-zorro-antd/core/overlay';
import { InputBoolean } from 'ng-zorro-antd/core/util';
import { BehaviorSubject, combineLatest, EMPTY, fromEvent, merge, Subject } from 'rxjs';
import { auditTime, distinctUntilChanged, filter, map, mapTo, switchMap, takeUntil } from 'rxjs/operators';
/** @type {?} */
const listOfPositions = [POSITION_MAP.bottomLeft, POSITION_MAP.bottomRight, POSITION_MAP.topRight, POSITION_MAP.topLeft];
export class NzDropDownDirective {
/**
* @param {?} elementRef
* @param {?} overlay
* @param {?} viewContainerRef
*/
constructor(elementRef, overlay, viewContainerRef) {
this.elementRef = elementRef;
this.overlay = overlay;
this.viewContainerRef = viewContainerRef;
this.overlayRef = null;
this.destroy$ = new Subject();
this.positionStrategy = this.overlay.position().flexibleConnectedTo(this.elementRef.nativeElement).withLockedPosition();
this.inputVisible$ = new BehaviorSubject(false);
this.nzTrigger$ = new BehaviorSubject('hover');
this.overlayClose$ = new Subject();
this.nzDropdownMenu = null;
this.nzTrigger = 'hover';
this.nzMatchWidthElement = null;
this.nzBackdrop = true;
this.nzClickHide = true;
this.nzDisabled = false;
this.nzVisible = false;
this.nzOverlayClassName = null;
this.nzOverlayStyle = {};
this.nzPlacement = 'bottomLeft';
this.nzVisibleChange = new EventEmitter();
}
/**
* @template T
* @param {?} key
* @param {?} value
* @return {?}
*/
setDropdownMenuValue(key, value) {
if (this.nzDropdownMenu) {
this.nzDropdownMenu.setValue(key, value);
}
}
/**
* @return {?}
*/
ngOnInit() {
this.positionStrategy.positionChanges.pipe(takeUntil(this.destroy$)).subscribe((/**
* @param {?} change
* @return {?}
*/
change => {
this.setDropdownMenuValue('dropDownPosition', change.connectionPair.originY);
}));
}
/**
* @return {?}
*/
ngAfterViewInit() {
if (this.nzDropdownMenu) {
/** @type {?} */
const nativeElement = this.elementRef.nativeElement;
/**
* host mouse state *
* @type {?}
*/
const hostMouseState$ = merge(fromEvent(nativeElement, 'mouseenter').pipe(mapTo(true)), fromEvent(nativeElement, 'mouseleave').pipe(mapTo(false)));
/**
* menu mouse state *
* @type {?}
*/
const menuMouseState$ = this.nzDropdownMenu.mouseState$;
/**
* merged mouse state *
* @type {?}
*/
const mergedMouseState$ = merge(menuMouseState$, hostMouseState$);
/**
* host click state *
* @type {?}
*/
const hostClickState$ = fromEvent(nativeElement, 'click').pipe(mapTo(true));
/**
* visible state switch by nzTrigger *
* @type {?}
*/
const visibleStateByTrigger$ = this.nzTrigger$.pipe(switchMap((/**
* @param {?} trigger
* @return {?}
*/
trigger => {
if (trigger === 'hover') {
return mergedMouseState$;
}
else if (trigger === 'click') {
return hostClickState$;
}
else {
return EMPTY;
}
})));
/** @type {?} */
const descendantMenuItemClick$ = this.nzDropdownMenu.descendantMenuItemClick$.pipe(filter((/**
* @return {?}
*/
() => this.nzClickHide)), mapTo(false));
/** @type {?} */
const domTriggerVisible$ = merge(visibleStateByTrigger$, descendantMenuItemClick$, this.overlayClose$).pipe(filter((/**
* @return {?}
*/
() => !this.nzDisabled)));
/** @type {?} */
const visible$ = merge(this.inputVisible$, domTriggerVisible$);
combineLatest([visible$, this.nzDropdownMenu.isChildSubMenuOpen$])
.pipe(map((/**
* @param {?} __0
* @return {?}
*/
([visible, sub]) => visible || sub)), auditTime(150), distinctUntilChanged(), takeUntil(this.destroy$))
.subscribe((/**
* @param {?} visible
* @return {?}
*/
(visible) => {
/** @type {?} */
const element = this.nzMatchWidthElement ? this.nzMatchWidthElement.nativeElement : nativeElement;
/** @type {?} */
const triggerWidth = element.getBoundingClientRect().width;
if (this.nzVisible !== visible) {
this.nzVisibleChange.emit(visible);
}
this.nzVisible = visible;
if (visible) {
/** set up overlayRef **/
if (!this.overlayRef) {
/** new overlay **/
this.overlayRef = this.overlay.create({
positionStrategy: this.positionStrategy,
minWidth: triggerWidth,
disposeOnNavigation: true,
hasBackdrop: this.nzTrigger === 'click',
backdropClass: this.nzBackdrop ? undefined : 'nz-overlay-transparent-backdrop',
scrollStrategy: this.overlay.scrollStrategies.reposition()
});
merge(this.overlayRef.backdropClick(), this.overlayRef.detachments(), this.overlayRef.keydownEvents().pipe(filter((/**
* @param {?} e
* @return {?}
*/
e => e.keyCode === ESCAPE && !hasModifierKey(e)))))
.pipe(mapTo(false), takeUntil(this.destroy$))
.subscribe(this.overlayClose$);
}
else {
/**
* update overlay config *
* @type {?}
*/
const overlayConfig = this.overlayRef.getConfig();
overlayConfig.minWidth = triggerWidth;
overlayConfig.hasBackdrop = this.nzTrigger === 'click';
}
/** open dropdown with animation **/
this.positionStrategy.withPositions([POSITION_MAP[this.nzPlacement], ...listOfPositions]);
/** reset portal if needed **/
if (!this.portal || this.portal.templateRef !== (/** @type {?} */ (this.nzDropdownMenu)).templateRef) {
this.portal = new TemplatePortal((/** @type {?} */ (this.nzDropdownMenu)).templateRef, this.viewContainerRef);
}
this.overlayRef.attach(this.portal);
}
else {
/** detach overlayRef if needed **/
if (this.overlayRef) {
this.overlayRef.detach();
}
}
}));
}
}
/**
* @return {?}
*/
ngOnDestroy() {
this.destroy$.next();
this.destroy$.complete();
if (this.overlayRef) {
this.overlayRef.dispose();
this.overlayRef = null;
}
}
/**
* @param {?} changes
* @return {?}
*/
ngOnChanges(changes) {
const { nzVisible, nzPlacement, nzDisabled, nzOverlayClassName, nzOverlayStyle, nzTrigger } = changes;
if (nzTrigger) {
this.nzTrigger$.next(this.nzTrigger);
}
if (nzVisible) {
this.inputVisible$.next(this.nzVisible);
}
if (nzDisabled && this.nzDisabled) {
this.inputVisible$.next(false);
}
if (nzOverlayClassName) {
this.setDropdownMenuValue('nzOverlayClassName', this.nzOverlayClassName);
}
if (nzOverlayStyle) {
this.setDropdownMenuValue('nzOverlayStyle', this.nzOverlayStyle);
}
if (nzPlacement) {
this.setDropdownMenuValue('dropDownPosition', this.nzPlacement.indexOf('top') !== -1 ? 'top' : 'bottom');
}
}
}
NzDropDownDirective.decorators = [
{ type: Directive, args: [{
selector: '[nz-dropdown]',
exportAs: 'nzDropdown',
host: {
'[attr.disabled]': `nzDisabled ? '' : null`,
'[class.ant-dropdown-trigger]': 'true'
}
},] }
];
/** @nocollapse */
NzDropDownDirective.ctorParameters = () => [
{ type: ElementRef },
{ type: Overlay },
{ type: ViewContainerRef }
];
NzDropDownDirective.propDecorators = {
nzDropdownMenu: [{ type: Input }],
nzTrigger: [{ type: Input }],
nzMatchWidthElement: [{ type: Input }],
nzBackdrop: [{ type: Input }],
nzClickHide: [{ type: Input }],
nzDisabled: [{ type: Input }],
nzVisible: [{ type: Input }],
nzOverlayClassName: [{ type: Input }],
nzOverlayStyle: [{ type: Input }],
nzPlacement: [{ type: Input }],
nzVisibleChange: [{ type: Output }]
};
__decorate([
InputBoolean(),
__metadata("design:type", Object)
], NzDropDownDirective.prototype, "nzBackdrop", void 0);
__decorate([
InputBoolean(),
__metadata("design:type", Object)
], NzDropDownDirective.prototype, "nzClickHide", void 0);
__decorate([
InputBoolean(),
__metadata("design:type", Object)
], NzDropDownDirective.prototype, "nzDisabled", void 0);
__decorate([
InputBoolean(),
__metadata("design:type", Object)
], NzDropDownDirective.prototype, "nzVisible", void 0);
if (false) {
/** @type {?} */
NzDropDownDirective.ngAcceptInputType_nzBackdrop;
/** @type {?} */
NzDropDownDirective.ngAcceptInputType_nzClickHide;
/** @type {?} */
NzDropDownDirective.ngAcceptInputType_nzDisabled;
/** @type {?} */
NzDropDownDirective.ngAcceptInputType_nzVisible;
/**
* @type {?}
* @private
*/
NzDropDownDirective.prototype.portal;
/**
* @type {?}
* @private
*/
NzDropDownDirective.prototype.overlayRef;
/**
* @type {?}
* @private
*/
NzDropDownDirective.prototype.destroy$;
/**
* @type {?}
* @private
*/
NzDropDownDirective.prototype.positionStrategy;
/**
* @type {?}
* @private
*/
NzDropDownDirective.prototype.inputVisible$;
/**
* @type {?}
* @private
*/
NzDropDownDirective.prototype.nzTrigger$;
/**
* @type {?}
* @private
*/
NzDropDownDirective.prototype.overlayClose$;
/** @type {?} */
NzDropDownDirective.prototype.nzDropdownMenu;
/** @type {?} */
NzDropDownDirective.prototype.nzTrigger;
/** @type {?} */
NzDropDownDirective.prototype.nzMatchWidthElement;
/** @type {?} */
NzDropDownDirective.prototype.nzBackdrop;
/** @type {?} */
NzDropDownDirective.prototype.nzClickHide;
/** @type {?} */
NzDropDownDirective.prototype.nzDisabled;
/** @type {?} */
NzDropDownDirective.prototype.nzVisible;
/** @type {?} */
NzDropDownDirective.prototype.nzOverlayClassName;
/** @type {?} */
NzDropDownDirective.prototype.nzOverlayStyle;
/** @type {?} */
NzDropDownDirective.prototype.nzPlacement;
/** @type {?} */
NzDropDownDirective.prototype.nzVisibleChange;
/** @type {?} */
NzDropDownDirective.prototype.elementRef;
/**
* @type {?}
* @private
*/
NzDropDownDirective.prototype.overlay;
/**
* @type {?}
* @private
*/
NzDropDownDirective.prototype.viewContainerRef;
}
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* @license\n * Copyright Alibaba.com All Rights Reserved.\n *\n * 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 { ESCAPE, hasModifierKey } from '@angular/cdk/keycodes';\nimport { Overlay, OverlayRef } from '@angular/cdk/overlay';\nimport { TemplatePortal } from '@angular/cdk/portal';\nimport {\n  AfterViewInit,\n  Directive,\n  ElementRef,\n  EventEmitter,\n  Input,\n  OnChanges,\n  OnDestroy,\n  OnInit,\n  Output,\n  SimpleChanges,\n  ViewContainerRef\n} from '@angular/core';\nimport { POSITION_MAP } from 'ng-zorro-antd/core/overlay';\nimport { BooleanInput, IndexableObject } from 'ng-zorro-antd/core/types';\nimport { InputBoolean } from 'ng-zorro-antd/core/util';\nimport { BehaviorSubject, combineLatest, EMPTY, fromEvent, merge, Subject } from 'rxjs';\nimport { auditTime, distinctUntilChanged, filter, map, mapTo, switchMap, takeUntil } from 'rxjs/operators';\nimport { NzDropdownMenuComponent, NzPlacementType } from './dropdown-menu.component';\n\nconst listOfPositions = [POSITION_MAP.bottomLeft, POSITION_MAP.bottomRight, POSITION_MAP.topRight, POSITION_MAP.topLeft];\n\n@Directive({\n  selector: '[nz-dropdown]',\n  exportAs: 'nzDropdown',\n  host: {\n    '[attr.disabled]': `nzDisabled ? '' : null`,\n    '[class.ant-dropdown-trigger]': 'true'\n  }\n})\nexport class NzDropDownDirective implements AfterViewInit, OnDestroy, OnChanges, OnInit {\n  static ngAcceptInputType_nzBackdrop: BooleanInput;\n  static ngAcceptInputType_nzClickHide: BooleanInput;\n  static ngAcceptInputType_nzDisabled: BooleanInput;\n  static ngAcceptInputType_nzVisible: BooleanInput;\n\n  private portal: TemplatePortal;\n  private overlayRef: OverlayRef | null = null;\n  private destroy$ = new Subject();\n  private positionStrategy = this.overlay.position().flexibleConnectedTo(this.elementRef.nativeElement).withLockedPosition();\n  private inputVisible$ = new BehaviorSubject<boolean>(false);\n  private nzTrigger$ = new BehaviorSubject<'click' | 'hover'>('hover');\n  private overlayClose$ = new Subject<boolean>();\n  @Input() nzDropdownMenu: NzDropdownMenuComponent | null = null;\n  @Input() nzTrigger: 'click' | 'hover' = 'hover';\n  @Input() nzMatchWidthElement: ElementRef | null = null;\n  @Input() @InputBoolean() nzBackdrop = true;\n  @Input() @InputBoolean() nzClickHide = true;\n  @Input() @InputBoolean() nzDisabled = false;\n  @Input() @InputBoolean() nzVisible = false;\n  @Input() nzOverlayClassName: string | null = null;\n  @Input() nzOverlayStyle: IndexableObject = {};\n  @Input() nzPlacement: NzPlacementType = 'bottomLeft';\n  @Output() readonly nzVisibleChange: EventEmitter<boolean> = new EventEmitter();\n\n  setDropdownMenuValue<T extends keyof NzDropdownMenuComponent>(key: T, value: NzDropdownMenuComponent[T]): void {\n    if (this.nzDropdownMenu) {\n      this.nzDropdownMenu.setValue(key, value);\n    }\n  }\n\n  constructor(public elementRef: ElementRef, private overlay: Overlay, private viewContainerRef: ViewContainerRef) {}\n\n  ngOnInit(): void {\n    this.positionStrategy.positionChanges.pipe(takeUntil(this.destroy$)).subscribe(change => {\n      this.setDropdownMenuValue('dropDownPosition', change.connectionPair.originY);\n    });\n  }\n\n  ngAfterViewInit(): void {\n    if (this.nzDropdownMenu) {\n      const nativeElement: HTMLElement = this.elementRef.nativeElement;\n      /** host mouse state **/\n      const hostMouseState$ = merge(\n        fromEvent(nativeElement, 'mouseenter').pipe(mapTo(true)),\n        fromEvent(nativeElement, 'mouseleave').pipe(mapTo(false))\n      );\n      /** menu mouse state **/\n      const menuMouseState$ = this.nzDropdownMenu.mouseState$;\n      /** merged mouse state **/\n      const mergedMouseState$ = merge(menuMouseState$, hostMouseState$);\n      /** host click state **/\n      const hostClickState$ = fromEvent(nativeElement, 'click').pipe(mapTo(true));\n      /** visible state switch by nzTrigger **/\n      const visibleStateByTrigger$ = this.nzTrigger$.pipe(\n        switchMap(trigger => {\n          if (trigger === 'hover') {\n            return mergedMouseState$;\n          } else if (trigger === 'click') {\n            return hostClickState$;\n          } else {\n            return EMPTY;\n          }\n        })\n      );\n      const descendantMenuItemClick$ = this.nzDropdownMenu.descendantMenuItemClick$.pipe(\n        filter(() => this.nzClickHide),\n        mapTo(false)\n      );\n      const domTriggerVisible$ = merge(visibleStateByTrigger$, descendantMenuItemClick$, this.overlayClose$).pipe(\n        filter(() => !this.nzDisabled)\n      );\n      const visible$ = merge(this.inputVisible$, domTriggerVisible$);\n      combineLatest([visible$, this.nzDropdownMenu.isChildSubMenuOpen$])\n        .pipe(\n          map(([visible, sub]) => visible || sub),\n          auditTime(150),\n          distinctUntilChanged(),\n          takeUntil(this.destroy$)\n        )\n        .subscribe((visible: boolean) => {\n          const element = this.nzMatchWidthElement ? this.nzMatchWidthElement.nativeElement : nativeElement;\n          const triggerWidth = element.getBoundingClientRect().width;\n          if (this.nzVisible !== visible) {\n            this.nzVisibleChange.emit(visible);\n          }\n          this.nzVisible = visible;\n          if (visible) {\n            /** set up overlayRef **/\n            if (!this.overlayRef) {\n              /** new overlay **/\n              this.overlayRef = this.overlay.create({\n                positionStrategy: this.positionStrategy,\n                minWidth: triggerWidth,\n                disposeOnNavigation: true,\n                hasBackdrop: this.nzTrigger === 'click',\n                backdropClass: this.nzBackdrop ? undefined : 'nz-overlay-transparent-backdrop',\n                scrollStrategy: this.overlay.scrollStrategies.reposition()\n              });\n              merge(\n                this.overlayRef.backdropClick(),\n                this.overlayRef.detachments(),\n                this.overlayRef.keydownEvents().pipe(filter(e => e.keyCode === ESCAPE && !hasModifierKey(e)))\n              )\n                .pipe(mapTo(false), takeUntil(this.destroy$))\n                .subscribe(this.overlayClose$);\n            } else {\n              /** update overlay config **/\n              const overlayConfig = this.overlayRef.getConfig();\n              overlayConfig.minWidth = triggerWidth;\n              overlayConfig.hasBackdrop = this.nzTrigger === 'click';\n            }\n            /** open dropdown with animation **/\n            this.positionStrategy.withPositions([POSITION_MAP[this.nzPlacement], ...listOfPositions]);\n            /** reset portal if needed **/\n            if (!this.portal || this.portal.templateRef !== this.nzDropdownMenu!.templateRef) {\n              this.portal = new TemplatePortal(this.nzDropdownMenu!.templateRef, this.viewContainerRef);\n            }\n            this.overlayRef.attach(this.portal);\n          } else {\n            /** detach overlayRef if needed **/\n            if (this.overlayRef) {\n              this.overlayRef.detach();\n            }\n          }\n        });\n    }\n  }\n\n  ngOnDestroy(): void {\n    this.destroy$.next();\n    this.destroy$.complete();\n    if (this.overlayRef) {\n      this.overlayRef.dispose();\n      this.overlayRef = null;\n    }\n  }\n\n  ngOnChanges(changes: SimpleChanges): void {\n    const { nzVisible, nzPlacement, nzDisabled, nzOverlayClassName, nzOverlayStyle, nzTrigger } = changes;\n    if (nzTrigger) {\n      this.nzTrigger$.next(this.nzTrigger);\n    }\n    if (nzVisible) {\n      this.inputVisible$.next(this.nzVisible);\n    }\n    if (nzDisabled && this.nzDisabled) {\n      this.inputVisible$.next(false);\n    }\n    if (nzOverlayClassName) {\n      this.setDropdownMenuValue('nzOverlayClassName', this.nzOverlayClassName);\n    }\n    if (nzOverlayStyle) {\n      this.setDropdownMenuValue('nzOverlayStyle', this.nzOverlayStyle);\n    }\n    if (nzPlacement) {\n      this.setDropdownMenuValue('dropDownPosition', this.nzPlacement.indexOf('top') !== -1 ? 'top' : 'bottom');\n    }\n  }\n}\n"]}