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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 * Generated from: affix.component.ts * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc */ import { __decorate, __metadata } from "tslib"; /** * 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 { Platform } from '@angular/cdk/platform'; import { DOCUMENT } from '@angular/common'; import { ChangeDetectionStrategy, Component, ElementRef, EventEmitter, Inject, Input, NgZone, Output, Renderer2, ViewChild, ViewEncapsulation } from '@angular/core'; import { NzConfigService, WithConfig } from 'ng-zorro-antd/core/config'; import { NzScrollService } from 'ng-zorro-antd/core/services'; import { getStyleAsText, InputNumber, shallowEqual } from 'ng-zorro-antd/core/util'; import { fromEvent, merge, ReplaySubject, Subject, Subscription } from 'rxjs'; import { auditTime, map, takeUntil } from 'rxjs/operators'; import { AffixRespondEvents } from './respond-events'; import { getTargetRect } from './utils'; /** @type {?} */ const NZ_CONFIG_COMPONENT_NAME = 'affix'; /** @type {?} */ const NZ_AFFIX_CLS_PREFIX = 'ant-affix'; /** @type {?} */ const NZ_AFFIX_DEFAULT_SCROLL_TIME = 20; export class NzAffixComponent { /** * @param {?} el * @param {?} doc * @param {?} nzConfigService * @param {?} scrollSrv * @param {?} ngZone * @param {?} platform * @param {?} renderer */ constructor(el, doc, nzConfigService, scrollSrv, ngZone, platform, renderer) { this.nzConfigService = nzConfigService; this.scrollSrv = scrollSrv; this.ngZone = ngZone; this.platform = platform; this.renderer = renderer; this.nzChange = new EventEmitter(); this.positionChangeSubscription = Subscription.EMPTY; this.offsetChanged$ = new ReplaySubject(1); this.destroy$ = new Subject(); // The wrapper would stay at the original position as a placeholder. this.placeholderNode = el.nativeElement; this.document = doc; } /** * @private * @return {?} */ get target() { /** @type {?} */ const el = this.nzTarget; return (typeof el === 'string' ? this.document.querySelector(el) : el) || window; } /** * @param {?} changes * @return {?} */ ngOnChanges(changes) { const { nzOffsetBottom, nzOffsetTop, nzTarget } = changes; if (nzOffsetBottom || nzOffsetTop) { this.offsetChanged$.next(); } if (nzTarget) { this.registerListeners(); } } /** * @return {?} */ ngAfterViewInit() { this.registerListeners(); } /** * @return {?} */ ngOnDestroy() { this.removeListeners(); } /** * @private * @return {?} */ registerListeners() { this.removeListeners(); this.positionChangeSubscription = this.ngZone.runOutsideAngular((/** * @return {?} */ () => { return merge(...Object.keys(AffixRespondEvents).map((/** * @param {?} evName * @return {?} */ evName => fromEvent(this.target, evName))), this.offsetChanged$.pipe(takeUntil(this.destroy$), map((/** * @return {?} */ () => ({}))))) .pipe(auditTime(NZ_AFFIX_DEFAULT_SCROLL_TIME)) .subscribe((/** * @param {?} e * @return {?} */ e => this.updatePosition((/** @type {?} */ (e))))); })); this.timeout = setTimeout((/** * @return {?} */ () => this.updatePosition((/** @type {?} */ ({}))))); } /** * @private * @return {?} */ removeListeners() { clearTimeout(this.timeout); this.positionChangeSubscription.unsubscribe(); this.destroy$.next(); this.destroy$.complete(); } /** * @param {?} element * @param {?} target * @return {?} */ getOffset(element, target) { /** @type {?} */ const elemRect = element.getBoundingClientRect(); /** @type {?} */ const targetRect = getTargetRect((/** @type {?} */ (target))); /** @type {?} */ const scrollTop = this.scrollSrv.getScroll(target, true); /** @type {?} */ const scrollLeft = this.scrollSrv.getScroll(target, false); /** @type {?} */ const docElem = this.document.body; /** @type {?} */ const clientTop = docElem.clientTop || 0; /** @type {?} */ const clientLeft = docElem.clientLeft || 0; return { top: elemRect.top - targetRect.top + scrollTop - clientTop, left: elemRect.left - targetRect.left + scrollLeft - clientLeft, width: elemRect.width, height: elemRect.height }; } /** * @private * @param {?} e * @param {?=} affixStyle * @return {?} */ setAffixStyle(e, affixStyle) { /** @type {?} */ const originalAffixStyle = this.affixStyle; /** @type {?} */ const isWindow = this.target === window; if (e.type === 'scroll' && originalAffixStyle && affixStyle && isWindow) { return; } if (shallowEqual(originalAffixStyle, affixStyle)) { return; } /** @type {?} */ const fixed = !!affixStyle; /** @type {?} */ const wrapEl = this.fixedEl.nativeElement; this.renderer.setStyle(wrapEl, 'cssText', getStyleAsText(affixStyle)); this.affixStyle = affixStyle; if (fixed) { wrapEl.classList.add(NZ_AFFIX_CLS_PREFIX); } else { wrapEl.classList.remove(NZ_AFFIX_CLS_PREFIX); } if ((affixStyle && !originalAffixStyle) || (!affixStyle && originalAffixStyle)) { this.nzChange.emit(fixed); } } /** * @private * @param {?=} placeholderStyle * @return {?} */ setPlaceholderStyle(placeholderStyle) { /** @type {?} */ const originalPlaceholderStyle = this.placeholderStyle; if (shallowEqual(placeholderStyle, originalPlaceholderStyle)) { return; } this.renderer.setStyle(this.placeholderNode, 'cssText', getStyleAsText(placeholderStyle)); this.placeholderStyle = placeholderStyle; } /** * @private * @param {?} e * @return {?} */ syncPlaceholderStyle(e) { if (!this.affixStyle) { return; } this.renderer.setStyle(this.placeholderNode, 'cssText', ''); this.placeholderStyle = undefined; /** @type {?} */ const styleObj = { width: this.placeholderNode.offsetWidth, height: this.fixedEl.nativeElement.offsetHeight }; this.setAffixStyle(e, Object.assign(Object.assign({}, this.affixStyle), styleObj)); this.setPlaceholderStyle(styleObj); } /** * @param {?} e * @return {?} */ updatePosition(e) { if (!this.platform.isBrowser) { return; } /** @type {?} */ const targetNode = this.target; /** @type {?} */ let offsetTop = this.nzOffsetTop; /** @type {?} */ const scrollTop = this.scrollSrv.getScroll(targetNode, true); /** @type {?} */ const elemOffset = this.getOffset(this.placeholderNode, (/** @type {?} */ (targetNode))); /** @type {?} */ const fixedNode = this.fixedEl.nativeElement; /** @type {?} */ const elemSize = { width: fixedNode.offsetWidth, height: fixedNode.offsetHeight }; /** @type {?} */ const offsetMode = { top: false, bottom: false }; // Default to `offsetTop=0`. if (typeof offsetTop !== 'number' && typeof this.nzOffsetBottom !== 'number') { offsetMode.top = true; offsetTop = 0; } else { offsetMode.top = typeof offsetTop === 'number'; offsetMode.bottom = typeof this.nzOffsetBottom === 'number'; } /** @type {?} */ const targetRect = getTargetRect((/** @type {?} */ (targetNode))); /** @type {?} */ const targetInnerHeight = ((/** @type {?} */ (targetNode))).innerHeight || ((/** @type {?} */ (targetNode))).clientHeight; if (scrollTop >= elemOffset.top - ((/** @type {?} */ (offsetTop))) && offsetMode.top) { /** @type {?} */ const width = elemOffset.width; /** @type {?} */ const top = targetRect.top + ((/** @type {?} */ (offsetTop))); this.setAffixStyle(e, { position: 'fixed', top, left: targetRect.left + elemOffset.left, width }); this.setPlaceholderStyle({ width, height: elemSize.height }); } else if (scrollTop <= elemOffset.top + elemSize.height + ((/** @type {?} */ (this.nzOffsetBottom))) - targetInnerHeight && offsetMode.bottom) { /** @type {?} */ const targetBottomOffset = targetNode === window ? 0 : window.innerHeight - (/** @type {?} */ (targetRect.bottom)); /** @type {?} */ const width = elemOffset.width; this.setAffixStyle(e, { position: 'fixed', bottom: targetBottomOffset + ((/** @type {?} */ (this.nzOffsetBottom))), left: targetRect.left + elemOffset.left, width }); this.setPlaceholderStyle({ width, height: elemOffset.height }); } else { if (e.type === AffixRespondEvents.resize && this.affixStyle && this.affixStyle.position === 'fixed' && this.placeholderNode.offsetWidth) { this.setAffixStyle(e, Object.assign(Object.assign({}, this.affixStyle), { width: this.placeholderNode.offsetWidth })); } else { this.setAffixStyle(e); } this.setPlaceholderStyle(); } if (e.type === 'resize') { this.syncPlaceholderStyle(e); } } } NzAffixComponent.decorators = [ { type: Component, args: [{ selector: 'nz-affix', exportAs: 'nzAffix', template: ` <div #fixedEl> <ng-content></ng-content> </div> `, changeDetection: ChangeDetectionStrategy.OnPush, encapsulation: ViewEncapsulation.None }] } ]; /** @nocollapse */ NzAffixComponent.ctorParameters = () => [ { type: ElementRef }, { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] }, { type: NzConfigService }, { type: NzScrollService }, { type: NgZone }, { type: Platform }, { type: Renderer2 } ]; NzAffixComponent.propDecorators = { fixedEl: [{ type: ViewChild, args: ['fixedEl', { static: true },] }], nzTarget: [{ type: Input }], nzOffsetTop: [{ type: Input }], nzOffsetBottom: [{ type: Input }], nzChange: [{ type: Output }] }; __decorate([ WithConfig(NZ_CONFIG_COMPONENT_NAME), InputNumber(undefined), __metadata("design:type", Object) ], NzAffixComponent.prototype, "nzOffsetTop", void 0); __decorate([ WithConfig(NZ_CONFIG_COMPONENT_NAME), InputNumber(undefined), __metadata("design:type", Object) ], NzAffixComponent.prototype, "nzOffsetBottom", void 0); if (false) { /** @type {?} */ NzAffixComponent.ngAcceptInputType_nzOffsetTop; /** @type {?} */ NzAffixComponent.ngAcceptInputType_nzOffsetBottom; /** * @type {?} * @private */ NzAffixComponent.prototype.fixedEl; /** @type {?} */ NzAffixComponent.prototype.nzTarget; /** @type {?} */ NzAffixComponent.prototype.nzOffsetTop; /** @type {?} */ NzAffixComponent.prototype.nzOffsetBottom; /** @type {?} */ NzAffixComponent.prototype.nzChange; /** * @type {?} * @private */ NzAffixComponent.prototype.placeholderNode; /** * @type {?} * @private */ NzAffixComponent.prototype.affixStyle; /** * @type {?} * @private */ NzAffixComponent.prototype.placeholderStyle; /** * @type {?} * @private */ NzAffixComponent.prototype.positionChangeSubscription; /** * @type {?} * @private */ NzAffixComponent.prototype.offsetChanged$; /** * @type {?} * @private */ NzAffixComponent.prototype.destroy$; /** * @type {?} * @private */ NzAffixComponent.prototype.timeout; /** * @type {?} * @private */ NzAffixComponent.prototype.document; /** @type {?} */ NzAffixComponent.prototype.nzConfigService; /** * @type {?} * @private */ NzAffixComponent.prototype.scrollSrv; /** * @type {?} * @private */ NzAffixComponent.prototype.ngZone; /** * @type {?} * @private */ NzAffixComponent.prototype.platform; /** * @type {?} * @private */ NzAffixComponent.prototype.renderer; } //# 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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 { Platform } from '@angular/cdk/platform';\nimport { DOCUMENT } from '@angular/common';\nimport {\n  AfterViewInit,\n  ChangeDetectionStrategy,\n  Component,\n  ElementRef,\n  EventEmitter,\n  Inject,\n  Input,\n  NgZone,\n  OnChanges,\n  OnDestroy,\n  Output,\n  Renderer2,\n  SimpleChanges,\n  ViewChild,\n  ViewEncapsulation\n} from '@angular/core';\nimport { NzConfigService, WithConfig } from 'ng-zorro-antd/core/config';\nimport { NzScrollService } from 'ng-zorro-antd/core/services';\nimport { NgStyleInterface, NumberInput, NzSafeAny } from 'ng-zorro-antd/core/types';\nimport { getStyleAsText, InputNumber, shallowEqual } from 'ng-zorro-antd/core/util';\n\nimport { fromEvent, merge, ReplaySubject, Subject, Subscription } from 'rxjs';\nimport { auditTime, map, takeUntil } from 'rxjs/operators';\n\nimport { AffixRespondEvents } from './respond-events';\nimport { getTargetRect, SimpleRect } from './utils';\n\nconst NZ_CONFIG_COMPONENT_NAME = 'affix';\nconst NZ_AFFIX_CLS_PREFIX = 'ant-affix';\nconst NZ_AFFIX_DEFAULT_SCROLL_TIME = 20;\n\n@Component({\n  selector: 'nz-affix',\n  exportAs: 'nzAffix',\n  template: `\n    <div #fixedEl>\n      <ng-content></ng-content>\n    </div>\n  `,\n  changeDetection: ChangeDetectionStrategy.OnPush,\n  encapsulation: ViewEncapsulation.None\n})\nexport class NzAffixComponent implements AfterViewInit, OnChanges, OnDestroy {\n  static ngAcceptInputType_nzOffsetTop: NumberInput;\n  static ngAcceptInputType_nzOffsetBottom: NumberInput;\n\n  @ViewChild('fixedEl', { static: true }) private fixedEl!: ElementRef<HTMLDivElement>;\n\n  @Input() nzTarget?: string | Element | Window;\n\n  @Input()\n  @WithConfig<number | null>(NZ_CONFIG_COMPONENT_NAME)\n  @InputNumber(undefined)\n  nzOffsetTop?: null | number;\n\n  @Input()\n  @WithConfig<number | null>(NZ_CONFIG_COMPONENT_NAME)\n  @InputNumber(undefined)\n  nzOffsetBottom?: null | number;\n\n  @Output() readonly nzChange = new EventEmitter<boolean>();\n\n  private readonly placeholderNode: HTMLElement;\n\n  private affixStyle?: NgStyleInterface;\n  private placeholderStyle?: NgStyleInterface;\n  private positionChangeSubscription: Subscription = Subscription.EMPTY;\n  private offsetChanged$ = new ReplaySubject(1);\n  private destroy$ = new Subject<void>();\n  private timeout?: number;\n  private document: Document;\n\n  private get target(): Element | Window {\n    const el = this.nzTarget;\n    return (typeof el === 'string' ? this.document.querySelector(el) : el) || window;\n  }\n\n  constructor(\n    el: ElementRef,\n    @Inject(DOCUMENT) doc: NzSafeAny,\n    public nzConfigService: NzConfigService,\n    private scrollSrv: NzScrollService,\n    private ngZone: NgZone,\n    private platform: Platform,\n    private renderer: Renderer2\n  ) {\n    // The wrapper would stay at the original position as a placeholder.\n    this.placeholderNode = el.nativeElement;\n    this.document = doc;\n  }\n\n  ngOnChanges(changes: SimpleChanges): void {\n    const { nzOffsetBottom, nzOffsetTop, nzTarget } = changes;\n\n    if (nzOffsetBottom || nzOffsetTop) {\n      this.offsetChanged$.next();\n    }\n    if (nzTarget) {\n      this.registerListeners();\n    }\n  }\n\n  ngAfterViewInit(): void {\n    this.registerListeners();\n  }\n\n  ngOnDestroy(): void {\n    this.removeListeners();\n  }\n\n  private registerListeners(): void {\n    this.removeListeners();\n    this.positionChangeSubscription = this.ngZone.runOutsideAngular(() => {\n      return merge(\n        ...Object.keys(AffixRespondEvents).map(evName => fromEvent(this.target, evName)),\n        this.offsetChanged$.pipe(\n          takeUntil(this.destroy$),\n          map(() => ({}))\n        )\n      )\n        .pipe(auditTime(NZ_AFFIX_DEFAULT_SCROLL_TIME))\n        .subscribe(e => this.updatePosition(e as Event));\n    });\n    this.timeout = setTimeout(() => this.updatePosition({} as Event));\n  }\n\n  private removeListeners(): void {\n    clearTimeout(this.timeout);\n    this.positionChangeSubscription.unsubscribe();\n    this.destroy$.next();\n    this.destroy$.complete();\n  }\n\n  getOffset(element: Element, target: Element | Window | undefined): SimpleRect {\n    const elemRect = element.getBoundingClientRect();\n    const targetRect = getTargetRect(target!);\n\n    const scrollTop = this.scrollSrv.getScroll(target, true);\n    const scrollLeft = this.scrollSrv.getScroll(target, false);\n\n    const docElem = this.document.body;\n    const clientTop = docElem.clientTop || 0;\n    const clientLeft = docElem.clientLeft || 0;\n\n    return {\n      top: elemRect.top - targetRect.top + scrollTop - clientTop,\n      left: elemRect.left - targetRect.left + scrollLeft - clientLeft,\n      width: elemRect.width,\n      height: elemRect.height\n    };\n  }\n\n  private setAffixStyle(e: Event, affixStyle?: NgStyleInterface): void {\n    const originalAffixStyle = this.affixStyle;\n    const isWindow = this.target === window;\n    if (e.type === 'scroll' && originalAffixStyle && affixStyle && isWindow) {\n      return;\n    }\n    if (shallowEqual(originalAffixStyle, affixStyle)) {\n      return;\n    }\n\n    const fixed = !!affixStyle;\n    const wrapEl = this.fixedEl.nativeElement;\n    this.renderer.setStyle(wrapEl, 'cssText', getStyleAsText(affixStyle));\n    this.affixStyle = affixStyle;\n    if (fixed) {\n      wrapEl.classList.add(NZ_AFFIX_CLS_PREFIX);\n    } else {\n      wrapEl.classList.remove(NZ_AFFIX_CLS_PREFIX);\n    }\n\n    if ((affixStyle && !originalAffixStyle) || (!affixStyle && originalAffixStyle)) {\n      this.nzChange.emit(fixed);\n    }\n  }\n\n  private setPlaceholderStyle(placeholderStyle?: NgStyleInterface): void {\n    const originalPlaceholderStyle = this.placeholderStyle;\n    if (shallowEqual(placeholderStyle, originalPlaceholderStyle)) {\n      return;\n    }\n    this.renderer.setStyle(this.placeholderNode, 'cssText', getStyleAsText(placeholderStyle));\n    this.placeholderStyle = placeholderStyle;\n  }\n\n  private syncPlaceholderStyle(e: Event): void {\n    if (!this.affixStyle) {\n      return;\n    }\n    this.renderer.setStyle(this.placeholderNode, 'cssText', '');\n    this.placeholderStyle = undefined;\n    const styleObj = {\n      width: this.placeholderNode.offsetWidth,\n      height: this.fixedEl.nativeElement.offsetHeight\n    };\n    this.setAffixStyle(e, {\n      ...this.affixStyle,\n      ...styleObj\n    });\n    this.setPlaceholderStyle(styleObj);\n  }\n\n  updatePosition(e: Event): void {\n    if (!this.platform.isBrowser) {\n      return;\n    }\n\n    const targetNode = this.target;\n    let offsetTop = this.nzOffsetTop;\n    const scrollTop = this.scrollSrv.getScroll(targetNode, true);\n    const elemOffset = this.getOffset(this.placeholderNode, targetNode!);\n    const fixedNode = this.fixedEl.nativeElement;\n    const elemSize = {\n      width: fixedNode.offsetWidth,\n      height: fixedNode.offsetHeight\n    };\n    const offsetMode = {\n      top: false,\n      bottom: false\n    };\n    // Default to `offsetTop=0`.\n    if (typeof offsetTop !== 'number' && typeof this.nzOffsetBottom !== 'number') {\n      offsetMode.top = true;\n      offsetTop = 0;\n    } else {\n      offsetMode.top = typeof offsetTop === 'number';\n      offsetMode.bottom = typeof this.nzOffsetBottom === 'number';\n    }\n    const targetRect = getTargetRect(targetNode as Window);\n    const targetInnerHeight = (targetNode as Window).innerHeight || (targetNode as HTMLElement).clientHeight;\n    if (scrollTop >= elemOffset.top - (offsetTop as number) && offsetMode.top) {\n      const width = elemOffset.width;\n      const top = targetRect.top + (offsetTop as number);\n      this.setAffixStyle(e, {\n        position: 'fixed',\n        top,\n        left: targetRect.left + elemOffset.left,\n        width\n      });\n      this.setPlaceholderStyle({\n        width,\n        height: elemSize.height\n      });\n    } else if (scrollTop <= elemOffset.top + elemSize.height + (this.nzOffsetBottom as number) - targetInnerHeight && offsetMode.bottom) {\n      const targetBottomOffset = targetNode === window ? 0 : window.innerHeight - targetRect.bottom!;\n      const width = elemOffset.width;\n      this.setAffixStyle(e, {\n        position: 'fixed',\n        bottom: targetBottomOffset + (this.nzOffsetBottom as number),\n        left: targetRect.left + elemOffset.left,\n        width\n      });\n      this.setPlaceholderStyle({\n        width,\n        height: elemOffset.height\n      });\n    } else {\n      if (\n        e.type === AffixRespondEvents.resize &&\n        this.affixStyle &&\n        this.affixStyle.position === 'fixed' &&\n        this.placeholderNode.offsetWidth\n      ) {\n        this.setAffixStyle(e, {\n          ...this.affixStyle,\n          width: this.placeholderNode.offsetWidth\n        });\n      } else {\n        this.setAffixStyle(e);\n      }\n      this.setPlaceholderStyle();\n    }\n\n    if (e.type === 'resize') {\n      this.syncPlaceholderStyle(e);\n    }\n  }\n}\n"]}