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ng-zorro-antd

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An enterprise-class UI components based on Ant Design and Angular

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/** * @fileoverview added by tsickle * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc */ /** * @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 { DOWN_ARROW, ENTER, ESCAPE, TAB, UP_ARROW } from '@angular/cdk/keycodes'; import { ConnectionPositionPair, Overlay, OverlayConfig } from '@angular/cdk/overlay'; import { TemplatePortal } from '@angular/cdk/portal'; import { DOCUMENT } from '@angular/common'; import { forwardRef, Directive, ElementRef, Inject, Input, Optional, ViewContainerRef } from '@angular/core'; import { NG_VALUE_ACCESSOR } from '@angular/forms'; import { fromEvent, merge } from 'rxjs'; import { delay, distinct, map } from 'rxjs/operators'; import { NzAutocompleteComponent } from './nz-autocomplete.component'; /** @type {?} */ export const NZ_AUTOCOMPLETE_VALUE_ACCESSOR = { provide: NG_VALUE_ACCESSOR, useExisting: forwardRef((/** * @return {?} */ () => NzAutocompleteTriggerDirective)), multi: true }; /** * @return {?} */ export function getNzAutocompleteMissingPanelError() { return Error('Attempting to open an undefined instance of `nz-autocomplete`. ' + 'Make sure that the id passed to the `nzAutocomplete` is correct and that ' + "you're attempting to open it after the ngAfterContentInit hook."); } export class NzAutocompleteTriggerDirective { /** * @param {?} elementRef * @param {?} _overlay * @param {?} viewContainerRef * @param {?} document */ constructor(elementRef, _overlay, viewContainerRef, document) { this.elementRef = elementRef; this._overlay = _overlay; this.viewContainerRef = viewContainerRef; this.document = document; // tslint:disable-next-line:no-any this._onChange = (/** * @return {?} */ () => { }); this._onTouched = (/** * @return {?} */ () => { }); this.panelOpen = false; } /** * Current active option * @return {?} */ get activeOption() { if (this.nzAutocomplete && this.nzAutocomplete.options.length) { return this.nzAutocomplete.activeItem; } } /** * @return {?} */ ngOnDestroy() { this.destroyPanel(); } // tslint:disable-next-line:no-any /** * @param {?} value * @return {?} */ writeValue(value) { this.setTriggerValue(value); } /** * @param {?} fn * @return {?} */ registerOnChange(fn) { this._onChange = fn; } /** * @param {?} fn * @return {?} */ registerOnTouched(fn) { this._onTouched = fn; } /** * @param {?} isDisabled * @return {?} */ setDisabledState(isDisabled) { /** @type {?} */ const element = this.elementRef.nativeElement; element.disabled = isDisabled; this.closePanel(); } /** * @return {?} */ openPanel() { this.previousValue = this.elementRef.nativeElement.value; this.attachOverlay(); } /** * @return {?} */ closePanel() { if (this.panelOpen) { this.nzAutocomplete.isOpen = this.panelOpen = false; if (this.overlayRef && this.overlayRef.hasAttached()) { this.selectionChangeSubscription.unsubscribe(); this.overlayBackdropClickSubscription.unsubscribe(); this.overlayPositionChangeSubscription.unsubscribe(); this.optionsChangeSubscription.unsubscribe(); this.overlayRef.detach(); this.overlayRef = null; this.portal = null; } } } /** * @param {?} event * @return {?} */ handleKeydown(event) { /** @type {?} */ const keyCode = event.keyCode; /** @type {?} */ const isArrowKey = keyCode === UP_ARROW || keyCode === DOWN_ARROW; if (keyCode === ESCAPE) { event.preventDefault(); } if (this.panelOpen && (keyCode === ESCAPE || keyCode === TAB)) { // Reset value when tab / ESC close if (this.activeOption && this.activeOption.getLabel() !== this.previousValue) { this.setTriggerValue(this.previousValue); } this.closePanel(); } else if (this.panelOpen && keyCode === ENTER) { if (this.nzAutocomplete.showPanel && this.activeOption) { event.preventDefault(); this.activeOption.selectViaInteraction(); } } else if (this.panelOpen && isArrowKey && this.nzAutocomplete.showPanel) { event.stopPropagation(); event.preventDefault(); if (keyCode === UP_ARROW) { this.nzAutocomplete.setPreviousItemActive(); } else { this.nzAutocomplete.setNextItemActive(); } if (this.activeOption) { this.activeOption.scrollIntoViewIfNeeded(); } this.doBackfill(); } } /** * @param {?} event * @return {?} */ handleInput(event) { /** @type {?} */ const target = (/** @type {?} */ (event.target)); /** @type {?} */ let value = target.value; if (this.canOpen() && document.activeElement === target && this.previousValue !== value) { if (target.type === 'number') { value = value === '' ? null : parseFloat(value); } this._onChange(value); this.openPanel(); } } /** * @return {?} */ handleFocus() { if (this.canOpen()) { this.openPanel(); } } /** * @return {?} */ handleBlur() { this.closePanel(); this._onTouched(); } /** * Subscription data source changes event * @private * @return {?} */ subscribeOptionsChange() { return this.nzAutocomplete.options.changes.pipe(delay(0)).subscribe((/** * @return {?} */ () => { this.resetActiveItem(); })); } /** * Subscription option changes event and set the value * @private * @return {?} */ subscribeSelectionChange() { return this.nzAutocomplete.selectionChange.subscribe((/** * @param {?} option * @return {?} */ (option) => { this.setValueAndClose(option); })); } /** * Subscription external click and close panel * @private * @return {?} */ subscribeOverlayBackdropClick() { return merge(fromEvent(this.document, 'click'), fromEvent(this.document, 'touchend')).subscribe((/** * @param {?} event * @return {?} */ (event) => { /** @type {?} */ const clickTarget = (/** @type {?} */ (event.target)); // Make sure is not self if (clickTarget !== this.elementRef.nativeElement && !(/** @type {?} */ (this.overlayRef)).overlayElement.contains(clickTarget) && this.panelOpen) { this.closePanel(); } })); } /** * Subscription overlay position changes and reset dropdown position * @private * @return {?} */ subscribeOverlayPositionChange() { return this.positionStrategy.positionChanges .pipe(map((/** * @param {?} position * @return {?} */ (position) => position.connectionPair.originY)), distinct()) .subscribe((/** * @param {?} position * @return {?} */ (position) => { this.nzAutocomplete.dropDownPosition = position; })); } /** * @private * @return {?} */ attachOverlay() { if (!this.nzAutocomplete) { throw getNzAutocompleteMissingPanelError(); } if (!this.portal) { this.portal = new TemplatePortal(this.nzAutocomplete.template, this.viewContainerRef); } if (!this.overlayRef) { this.overlayRef = this._overlay.create(this.getOverlayConfig()); } if (this.overlayRef && !this.overlayRef.hasAttached()) { this.overlayRef.attach(this.portal); this.overlayPositionChangeSubscription = this.subscribeOverlayPositionChange(); this.selectionChangeSubscription = this.subscribeSelectionChange(); this.overlayBackdropClickSubscription = this.subscribeOverlayBackdropClick(); this.optionsChangeSubscription = this.subscribeOptionsChange(); } this.nzAutocomplete.isOpen = this.panelOpen = true; this.nzAutocomplete.setVisibility(); this.overlayRef.updateSize({ width: this.nzAutocomplete.nzWidth || this.getHostWidth() }); setTimeout((/** * @return {?} */ () => { if (this.overlayRef) { this.overlayRef.updatePosition(); } }), 150); this.resetActiveItem(); if (this.activeOption) { this.activeOption.scrollIntoViewIfNeeded(); } } /** * @private * @return {?} */ destroyPanel() { if (this.overlayRef) { this.closePanel(); } } /** * @private * @return {?} */ getOverlayConfig() { return new OverlayConfig({ positionStrategy: this.getOverlayPosition(), scrollStrategy: this._overlay.scrollStrategies.reposition(), // default host element width width: this.nzAutocomplete.nzWidth || this.getHostWidth() }); } /** * @private * @return {?} */ getConnectedElement() { return this.elementRef; } /** * @private * @return {?} */ getHostWidth() { return this.getConnectedElement().nativeElement.getBoundingClientRect().width; } /** * @private * @return {?} */ getOverlayPosition() { /** @type {?} */ const positions = [ new ConnectionPositionPair({ originX: 'start', originY: 'bottom' }, { overlayX: 'start', overlayY: 'top' }), new ConnectionPositionPair({ originX: 'start', originY: 'top' }, { overlayX: 'start', overlayY: 'bottom' }) ]; this.positionStrategy = this._overlay .position() .flexibleConnectedTo(this.getConnectedElement()) .withPositions(positions) .withFlexibleDimensions(false) .withPush(false); return this.positionStrategy; } /** * @private * @return {?} */ resetActiveItem() { /** @type {?} */ const index = this.nzAutocomplete.getOptionIndex(this.nzAutocomplete.activeItem); if (this.nzAutocomplete.activeItem && index !== -1) { this.nzAutocomplete.setActiveItem(index); } else { this.nzAutocomplete.setActiveItem(this.nzAutocomplete.nzDefaultActiveFirstOption ? 0 : -1); } } /** * @private * @param {?} option * @return {?} */ setValueAndClose(option) { /** @type {?} */ const value = option.nzValue; this.setTriggerValue(option.getLabel()); this._onChange(value); this.elementRef.nativeElement.focus(); this.closePanel(); } /** * @private * @param {?} value * @return {?} */ setTriggerValue(value) { this.elementRef.nativeElement.value = value || ''; } /** * @private * @return {?} */ doBackfill() { if (this.nzAutocomplete.nzBackfill && this.nzAutocomplete.activeItem) { this.setTriggerValue(this.nzAutocomplete.activeItem.getLabel()); } } /** * @private * @return {?} */ canOpen() { /** @type {?} */ const element = this.elementRef.nativeElement; return !element.readOnly && !element.disabled; } } NzAutocompleteTriggerDirective.decorators = [ { type: Directive, args: [{ selector: `input[nzAutocomplete], textarea[nzAutocomplete]`, exportAs: 'nzAutocompleteTrigger', providers: [NZ_AUTOCOMPLETE_VALUE_ACCESSOR], host: { autocomplete: 'off', 'aria-autocomplete': 'list', '(focusin)': 'handleFocus()', '(blur)': 'handleBlur()', '(input)': 'handleInput($event)', '(keydown)': 'handleKeydown($event)' } },] } ]; /** @nocollapse */ NzAutocompleteTriggerDirective.ctorParameters = () => [ { type: ElementRef }, { type: Overlay }, { type: ViewContainerRef }, { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [DOCUMENT,] }] } ]; NzAutocompleteTriggerDirective.propDecorators = { nzAutocomplete: [{ type: Input }] }; if (false) { /** * Bind nzAutocomplete component * @type {?} */ NzAutocompleteTriggerDirective.prototype.nzAutocomplete; /** @type {?} */ NzAutocompleteTriggerDirective.prototype._onChange; /** @type {?} */ NzAutocompleteTriggerDirective.prototype._onTouched; /** @type {?} */ NzAutocompleteTriggerDirective.prototype.panelOpen; /** * @type {?} * @private */ NzAutocompleteTriggerDirective.prototype.overlayRef; /** * @type {?} * @private */ NzAutocompleteTriggerDirective.prototype.portal; /** * @type {?} * @private */ NzAutocompleteTriggerDirective.prototype.positionStrategy; /** * @type {?} * @private */ NzAutocompleteTriggerDirective.prototype.previousValue; /** * @type {?} * @private */ NzAutocompleteTriggerDirective.prototype.selectionChangeSubscription; /** * @type {?} * @private */ NzAutocompleteTriggerDirective.prototype.optionsChangeSubscription; /** * @type {?} * @private */ NzAutocompleteTriggerDirective.prototype.overlayBackdropClickSubscription; /** * @type {?} * @private */ NzAutocompleteTriggerDirective.prototype.overlayPositionChangeSubscription; /** * @type {?} * @private */ NzAutocompleteTriggerDirective.prototype.elementRef; /** * @type {?} * @private */ NzAutocompleteTriggerDirective.prototype._overlay; /** * @type {?} * @private */ NzAutocompleteTriggerDirective.prototype.viewContainerRef; /** * @type {?} * @private */ NzAutocompleteTriggerDirective.prototype.document; } //# 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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 { DOWN_ARROW, ENTER, ESCAPE, TAB, UP_ARROW } from '@angular/cdk/keycodes';\nimport {\n  ConnectedOverlayPositionChange,\n  ConnectionPositionPair,\n  FlexibleConnectedPositionStrategy,\n  Overlay,\n  OverlayConfig,\n  OverlayRef,\n  PositionStrategy,\n  VerticalConnectionPos\n} from '@angular/cdk/overlay';\nimport { TemplatePortal } from '@angular/cdk/portal';\nimport { DOCUMENT } from '@angular/common';\nimport {\n  forwardRef,\n  Directive,\n  ElementRef,\n  ExistingProvider,\n  Inject,\n  Input,\n  OnDestroy,\n  Optional,\n  ViewContainerRef\n} from '@angular/core';\nimport { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms';\n\nimport { fromEvent, merge, Subscription } from 'rxjs';\nimport { delay, distinct, map } from 'rxjs/operators';\n\nimport { NzAutocompleteOptionComponent } from './nz-autocomplete-option.component';\nimport { NzAutocompleteComponent } from './nz-autocomplete.component';\n\nexport const NZ_AUTOCOMPLETE_VALUE_ACCESSOR: ExistingProvider = {\n  provide: NG_VALUE_ACCESSOR,\n  useExisting: forwardRef(() => NzAutocompleteTriggerDirective),\n  multi: true\n};\n\nexport function getNzAutocompleteMissingPanelError(): Error {\n  return Error(\n    'Attempting to open an undefined instance of `nz-autocomplete`. ' +\n      'Make sure that the id passed to the `nzAutocomplete` is correct and that ' +\n      \"you're attempting to open it after the ngAfterContentInit hook.\"\n  );\n}\n\n@Directive({\n  selector: `input[nzAutocomplete], textarea[nzAutocomplete]`,\n  exportAs: 'nzAutocompleteTrigger',\n  providers: [NZ_AUTOCOMPLETE_VALUE_ACCESSOR],\n  host: {\n    autocomplete: 'off',\n    'aria-autocomplete': 'list',\n    '(focusin)': 'handleFocus()',\n    '(blur)': 'handleBlur()',\n    '(input)': 'handleInput($event)',\n    '(keydown)': 'handleKeydown($event)'\n  }\n})\nexport class NzAutocompleteTriggerDirective implements ControlValueAccessor, OnDestroy {\n  /** Bind nzAutocomplete component */\n  @Input() nzAutocomplete: NzAutocompleteComponent;\n\n  // tslint:disable-next-line:no-any\n  _onChange: (value: any) => void = () => {};\n  _onTouched = () => {};\n  panelOpen: boolean = false;\n\n  /** Current active option */\n  get activeOption(): NzAutocompleteOptionComponent | undefined {\n    if (this.nzAutocomplete && this.nzAutocomplete.options.length) {\n      return this.nzAutocomplete.activeItem;\n    }\n  }\n\n  private overlayRef: OverlayRef | null;\n  private portal: TemplatePortal<{}> | null;\n  private positionStrategy: FlexibleConnectedPositionStrategy;\n  private previousValue: string | number | null;\n  private selectionChangeSubscription: Subscription;\n  private optionsChangeSubscription: Subscription;\n  private overlayBackdropClickSubscription: Subscription;\n  private overlayPositionChangeSubscription: Subscription;\n\n  constructor(\n    private elementRef: ElementRef,\n    private _overlay: Overlay,\n    private viewContainerRef: ViewContainerRef,\n    // tslint:disable-next-line:no-any\n    @Optional() @Inject(DOCUMENT) private document: any\n  ) {}\n\n  ngOnDestroy(): void {\n    this.destroyPanel();\n  }\n\n  // tslint:disable-next-line:no-any\n  writeValue(value: any): void {\n    this.setTriggerValue(value);\n  }\n\n  registerOnChange(fn: (value: {}) => {}): void {\n    this._onChange = fn;\n  }\n\n  registerOnTouched(fn: () => {}): void {\n    this._onTouched = fn;\n  }\n\n  setDisabledState(isDisabled: boolean): void {\n    const element: HTMLInputElement = this.elementRef.nativeElement;\n    element.disabled = isDisabled;\n    this.closePanel();\n  }\n\n  openPanel(): void {\n    this.previousValue = this.elementRef.nativeElement.value;\n    this.attachOverlay();\n  }\n\n  closePanel(): void {\n    if (this.panelOpen) {\n      this.nzAutocomplete.isOpen = this.panelOpen = false;\n\n      if (this.overlayRef && this.overlayRef.hasAttached()) {\n        this.selectionChangeSubscription.unsubscribe();\n        this.overlayBackdropClickSubscription.unsubscribe();\n        this.overlayPositionChangeSubscription.unsubscribe();\n        this.optionsChangeSubscription.unsubscribe();\n        this.overlayRef.detach();\n        this.overlayRef = null;\n        this.portal = null;\n      }\n    }\n  }\n\n  handleKeydown(event: KeyboardEvent): void {\n    const keyCode = event.keyCode;\n    const isArrowKey = keyCode === UP_ARROW || keyCode === DOWN_ARROW;\n\n    if (keyCode === ESCAPE) {\n      event.preventDefault();\n    }\n\n    if (this.panelOpen && (keyCode === ESCAPE || keyCode === TAB)) {\n      // Reset value when tab / ESC close\n      if (this.activeOption && this.activeOption.getLabel() !== this.previousValue) {\n        this.setTriggerValue(this.previousValue);\n      }\n      this.closePanel();\n    } else if (this.panelOpen && keyCode === ENTER) {\n      if (this.nzAutocomplete.showPanel && this.activeOption) {\n        event.preventDefault();\n        this.activeOption.selectViaInteraction();\n      }\n    } else if (this.panelOpen && isArrowKey && this.nzAutocomplete.showPanel) {\n      event.stopPropagation();\n      event.preventDefault();\n      if (keyCode === UP_ARROW) {\n        this.nzAutocomplete.setPreviousItemActive();\n      } else {\n        this.nzAutocomplete.setNextItemActive();\n      }\n      if (this.activeOption) {\n        this.activeOption.scrollIntoViewIfNeeded();\n      }\n      this.doBackfill();\n    }\n  }\n\n  handleInput(event: KeyboardEvent): void {\n    const target = event.target as HTMLInputElement;\n    let value: number | string | null = target.value;\n\n    if (this.canOpen() && document.activeElement === target && this.previousValue !== value) {\n      if (target.type === 'number') {\n        value = value === '' ? null : parseFloat(value);\n      }\n\n      this._onChange(value);\n      this.openPanel();\n    }\n  }\n\n  handleFocus(): void {\n    if (this.canOpen()) {\n      this.openPanel();\n    }\n  }\n\n  handleBlur(): void {\n    this.closePanel();\n    this._onTouched();\n  }\n\n  /**\n   * Subscription data source changes event\n   */\n  private subscribeOptionsChange(): Subscription {\n    return this.nzAutocomplete.options.changes.pipe(delay(0)).subscribe(() => {\n      this.resetActiveItem();\n    });\n  }\n\n  /**\n   * Subscription option changes event and set the value\n   */\n  private subscribeSelectionChange(): Subscription {\n    return this.nzAutocomplete.selectionChange.subscribe((option: NzAutocompleteOptionComponent) => {\n      this.setValueAndClose(option);\n    });\n  }\n\n  /**\n   * Subscription external click and close panel\n   */\n  private subscribeOverlayBackdropClick(): Subscription {\n    return merge<MouseEvent | TouchEvent>(\n      fromEvent<MouseEvent>(this.document, 'click'),\n      fromEvent<TouchEvent>(this.document, 'touchend')\n    ).subscribe((event: MouseEvent | TouchEvent) => {\n      const clickTarget = event.target as HTMLElement;\n\n      // Make sure is not self\n      if (\n        clickTarget !== this.elementRef.nativeElement &&\n        !this.overlayRef!.overlayElement.contains(clickTarget) &&\n        this.panelOpen\n      ) {\n        this.closePanel();\n      }\n    });\n  }\n\n  /**\n   * Subscription overlay position changes and reset dropdown position\n   */\n  private subscribeOverlayPositionChange(): Subscription {\n    return this.positionStrategy.positionChanges\n      .pipe(\n        map((position: ConnectedOverlayPositionChange) => position.connectionPair.originY),\n        distinct()\n      )\n      .subscribe((position: VerticalConnectionPos) => {\n        this.nzAutocomplete.dropDownPosition = position;\n      });\n  }\n\n  private attachOverlay(): void {\n    if (!this.nzAutocomplete) {\n      throw getNzAutocompleteMissingPanelError();\n    }\n\n    if (!this.portal) {\n      this.portal = new TemplatePortal(this.nzAutocomplete.template, this.viewContainerRef);\n    }\n\n    if (!this.overlayRef) {\n      this.overlayRef = this._overlay.create(this.getOverlayConfig());\n    }\n\n    if (this.overlayRef && !this.overlayRef.hasAttached()) {\n      this.overlayRef.attach(this.portal);\n      this.overlayPositionChangeSubscription = this.subscribeOverlayPositionChange();\n      this.selectionChangeSubscription = this.subscribeSelectionChange();\n      this.overlayBackdropClickSubscription = this.subscribeOverlayBackdropClick();\n      this.optionsChangeSubscription = this.subscribeOptionsChange();\n    }\n\n    this.nzAutocomplete.isOpen = this.panelOpen = true;\n    this.nzAutocomplete.setVisibility();\n    this.overlayRef.updateSize({ width: this.nzAutocomplete.nzWidth || this.getHostWidth() });\n    setTimeout(() => {\n      if (this.overlayRef) {\n        this.overlayRef.updatePosition();\n      }\n    }, 150);\n    this.resetActiveItem();\n    if (this.activeOption) {\n      this.activeOption.scrollIntoViewIfNeeded();\n    }\n  }\n\n  private destroyPanel(): void {\n    if (this.overlayRef) {\n      this.closePanel();\n    }\n  }\n\n  private getOverlayConfig(): OverlayConfig {\n    return new OverlayConfig({\n      positionStrategy: this.getOverlayPosition(),\n      scrollStrategy: this._overlay.scrollStrategies.reposition(),\n      // default host element width\n      width: this.nzAutocomplete.nzWidth || this.getHostWidth()\n    });\n  }\n\n  private getConnectedElement(): ElementRef {\n    return this.elementRef;\n  }\n\n  private getHostWidth(): number {\n    return this.getConnectedElement().nativeElement.getBoundingClientRect().width;\n  }\n\n  private getOverlayPosition(): PositionStrategy {\n    const positions = [\n      new ConnectionPositionPair({ originX: 'start', originY: 'bottom' }, { overlayX: 'start', overlayY: 'top' }),\n      new ConnectionPositionPair({ originX: 'start', originY: 'top' }, { overlayX: 'start', overlayY: 'bottom' })\n    ];\n    this.positionStrategy = this._overlay\n      .position()\n      .flexibleConnectedTo(this.getConnectedElement())\n      .withPositions(positions)\n      .withFlexibleDimensions(false)\n      .withPush(false);\n    return this.positionStrategy;\n  }\n\n  private resetActiveItem(): void {\n    const index = this.nzAutocomplete.getOptionIndex(this.nzAutocomplete.activeItem);\n    if (this.nzAutocomplete.activeItem && index !== -1) {\n      this.nzAutocomplete.setActiveItem(index);\n    } else {\n      this.nzAutocomplete.setActiveItem(this.nzAutocomplete.nzDefaultActiveFirstOption ? 0 : -1);\n    }\n  }\n\n  private setValueAndClose(option: NzAutocompleteOptionComponent): void {\n    const value = option.nzValue;\n    this.setTriggerValue(option.getLabel());\n    this._onChange(value);\n    this.elementRef.nativeElement.focus();\n    this.closePanel();\n  }\n\n  private setTriggerValue(value: string | number | null): void {\n    this.elementRef.nativeElement.value = value || '';\n  }\n\n  private doBackfill(): void {\n    if (this.nzAutocomplete.nzBackfill && this.nzAutocomplete.activeItem) {\n      this.setTriggerValue(this.nzAutocomplete.activeItem.getLabel());\n    }\n  }\n\n  private canOpen(): boolean {\n    const element: HTMLInputElement = this.elementRef.nativeElement;\n    return !element.readOnly && !element.disabled;\n  }\n}\n"]}