ng-zorro-antd
Version:
An enterprise-class UI components based on Ant Design and Angular
381 lines • 27.6 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
import * as tslib_1 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 { Platform } from '@angular/cdk/platform';
import { DOCUMENT } from '@angular/common';
import { ChangeDetectionStrategy, ChangeDetectorRef, Component, ElementRef, EventEmitter, Inject, Input, Output, ViewChild, ViewEncapsulation } from '@angular/core';
import { fromEvent } from 'rxjs';
import { distinctUntilChanged, throttleTime } from 'rxjs/operators';
import { toNumber, InputBoolean, InputNumber, NzScrollService } from 'ng-zorro-antd/core';
/**
* @record
*/
function Section() { }
if (false) {
/** @type {?} */
Section.prototype.comp;
/** @type {?} */
Section.prototype.top;
}
/** @type {?} */
const sharpMatcherRegx = /#([^#]+)$/;
export class NzAnchorComponent {
/**
* @param {?} scrollSrv
* @param {?} doc
* @param {?} cdr
* @param {?} platform
*/
constructor(scrollSrv, doc, cdr, platform) {
this.scrollSrv = scrollSrv;
this.doc = doc;
this.cdr = cdr;
this.platform = platform;
this.nzAffix = true;
this.nzShowInkInFixed = false;
this.nzBounds = 5;
this.nzClick = new EventEmitter();
this.nzScroll = new EventEmitter();
this.visible = false;
this.wrapperStyle = { 'max-height': '100vh' };
this.links = [];
this.animating = false;
this.target = null;
this.scroll$ = null;
this.destroyed = false;
}
/**
* @param {?} value
* @return {?}
*/
set nzOffsetTop(value) {
this._offsetTop = toNumber(value, 0);
this.wrapperStyle = {
'max-height': `calc(100vh - ${this._offsetTop}px)`
};
}
/**
* @return {?}
*/
get nzOffsetTop() {
return this._offsetTop;
}
/**
* @param {?} el
* @return {?}
*/
set nzTarget(el) {
this.target = typeof el === 'string' ? this.doc.querySelector(el) : el;
this.registerScrollEvent();
}
/**
* @param {?} link
* @return {?}
*/
registerLink(link) {
this.links.push(link);
}
/**
* @param {?} link
* @return {?}
*/
unregisterLink(link) {
this.links.splice(this.links.indexOf(link), 1);
}
/**
* @private
* @return {?}
*/
getTarget() {
return this.target || window;
}
/**
* @return {?}
*/
ngAfterViewInit() {
this.registerScrollEvent();
}
/**
* @return {?}
*/
ngOnDestroy() {
this.destroyed = true;
this.removeListen();
}
/**
* @private
* @return {?}
*/
registerScrollEvent() {
if (!this.platform.isBrowser) {
return;
}
this.removeListen();
this.scroll$ = fromEvent(this.getTarget(), 'scroll')
.pipe(throttleTime(50), distinctUntilChanged())
.subscribe((/**
* @return {?}
*/
() => this.handleScroll()));
// Browser would maintain the scrolling position when refreshing.
// So we have to delay calculation in avoid of getting a incorrect result.
setTimeout((/**
* @return {?}
*/
() => this.handleScroll()));
}
/**
* @private
* @return {?}
*/
removeListen() {
if (this.scroll$) {
this.scroll$.unsubscribe();
}
}
/**
* @private
* @param {?} element
* @return {?}
*/
getOffsetTop(element) {
if (!element || !element.getClientRects().length) {
return 0;
}
/** @type {?} */
const rect = element.getBoundingClientRect();
if (rect.width || rect.height) {
if (this.getTarget() === window) {
return rect.top - (/** @type {?} */ ((/** @type {?} */ (element.ownerDocument)).documentElement)).clientTop;
}
return rect.top - ((/** @type {?} */ (this.getTarget()))).getBoundingClientRect().top;
}
return rect.top;
}
/**
* @return {?}
*/
handleScroll() {
if (typeof document === 'undefined' || this.destroyed || this.animating) {
return;
}
/** @type {?} */
const sections = [];
/** @type {?} */
const scope = (this.nzOffsetTop || 0) + this.nzBounds;
this.links.forEach((/**
* @param {?} comp
* @return {?}
*/
comp => {
/** @type {?} */
const sharpLinkMatch = sharpMatcherRegx.exec(comp.nzHref.toString());
if (!sharpLinkMatch) {
return;
}
/** @type {?} */
const target = this.doc.getElementById(sharpLinkMatch[1]);
if (target) {
/** @type {?} */
const top = this.getOffsetTop(target);
if (top < scope) {
sections.push({
top,
comp
});
}
}
}));
this.visible = !!sections.length;
if (!this.visible) {
this.clearActive();
this.cdr.detectChanges();
}
else {
/** @type {?} */
const maxSection = sections.reduce((/**
* @param {?} prev
* @param {?} curr
* @return {?}
*/
(prev, curr) => (curr.top > prev.top ? curr : prev)));
this.handleActive(maxSection.comp);
}
}
/**
* @private
* @return {?}
*/
clearActive() {
this.links.forEach((/**
* @param {?} i
* @return {?}
*/
i => {
i.active = false;
i.markForCheck();
}));
}
/**
* @private
* @param {?} comp
* @return {?}
*/
handleActive(comp) {
this.clearActive();
comp.active = true;
comp.markForCheck();
/** @type {?} */
const linkNode = (/** @type {?} */ (((/** @type {?} */ (comp.elementRef.nativeElement))).querySelector('.ant-anchor-link-title')));
this.ink.nativeElement.style.top = `${linkNode.offsetTop + linkNode.clientHeight / 2 - 4.5}px`;
this.visible = true;
this.cdr.detectChanges();
this.nzScroll.emit(comp);
}
/**
* @param {?} linkComp
* @return {?}
*/
handleScrollTo(linkComp) {
/** @type {?} */
const el = this.doc.querySelector(linkComp.nzHref);
if (!el) {
return;
}
this.animating = true;
/** @type {?} */
const containerScrollTop = this.scrollSrv.getScroll(this.getTarget());
/** @type {?} */
const elOffsetTop = this.getOffsetTop(el);
/** @type {?} */
const targetScrollTop = containerScrollTop + elOffsetTop - (this.nzOffsetTop || 0);
this.scrollSrv.scrollTo(this.getTarget(), targetScrollTop, undefined, (/**
* @return {?}
*/
() => {
this.animating = false;
this.handleActive(linkComp);
}));
this.nzClick.emit(linkComp.nzHref);
}
}
NzAnchorComponent.decorators = [
{ type: Component, args: [{
selector: 'nz-anchor',
exportAs: 'nzAnchor',
preserveWhitespaces: false,
template: "<nz-affix *ngIf=\"nzAffix;else content\" [nzOffsetTop]=\"nzOffsetTop\">\n <ng-template [ngTemplateOutlet]=\"content\"></ng-template>\n</nz-affix>\n<ng-template #content>\n <div class=\"ant-anchor-wrapper\" [ngStyle]=\"wrapperStyle\">\n <div class=\"ant-anchor\" [ngClass]=\"{'fixed': !nzAffix && !nzShowInkInFixed}\">\n <div class=\"ant-anchor-ink\">\n <div class=\"ant-anchor-ink-ball\" [class.visible]=\"visible\" #ink></div>\n </div>\n <ng-content></ng-content>\n </div>\n </div>\n</ng-template>",
encapsulation: ViewEncapsulation.None,
changeDetection: ChangeDetectionStrategy.OnPush
}] }
];
/** @nocollapse */
NzAnchorComponent.ctorParameters = () => [
{ type: NzScrollService },
{ type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] },
{ type: ChangeDetectorRef },
{ type: Platform }
];
NzAnchorComponent.propDecorators = {
ink: [{ type: ViewChild, args: ['ink', { static: false },] }],
nzAffix: [{ type: Input }],
nzShowInkInFixed: [{ type: Input }],
nzBounds: [{ type: Input }],
nzOffsetTop: [{ type: Input }],
nzTarget: [{ type: Input }],
nzClick: [{ type: Output }],
nzScroll: [{ type: Output }]
};
tslib_1.__decorate([
InputBoolean(),
tslib_1.__metadata("design:type", Object)
], NzAnchorComponent.prototype, "nzAffix", void 0);
tslib_1.__decorate([
InputBoolean(),
tslib_1.__metadata("design:type", Object)
], NzAnchorComponent.prototype, "nzShowInkInFixed", void 0);
tslib_1.__decorate([
InputNumber(),
tslib_1.__metadata("design:type", Number)
], NzAnchorComponent.prototype, "nzBounds", void 0);
if (false) {
/**
* @type {?}
* @private
*/
NzAnchorComponent.prototype.ink;
/** @type {?} */
NzAnchorComponent.prototype.nzAffix;
/** @type {?} */
NzAnchorComponent.prototype.nzShowInkInFixed;
/** @type {?} */
NzAnchorComponent.prototype.nzBounds;
/**
* @type {?}
* @private
*/
NzAnchorComponent.prototype._offsetTop;
/** @type {?} */
NzAnchorComponent.prototype.nzClick;
/** @type {?} */
NzAnchorComponent.prototype.nzScroll;
/** @type {?} */
NzAnchorComponent.prototype.visible;
/** @type {?} */
NzAnchorComponent.prototype.wrapperStyle;
/**
* @type {?}
* @private
*/
NzAnchorComponent.prototype.links;
/**
* @type {?}
* @private
*/
NzAnchorComponent.prototype.animating;
/**
* @type {?}
* @private
*/
NzAnchorComponent.prototype.target;
/**
* @type {?}
* @private
*/
NzAnchorComponent.prototype.scroll$;
/**
* @type {?}
* @private
*/
NzAnchorComponent.prototype.destroyed;
/**
* @type {?}
* @private
*/
NzAnchorComponent.prototype.scrollSrv;
/**
* @type {?}
* @private
*/
NzAnchorComponent.prototype.doc;
/**
* @type {?}
* @private
*/
NzAnchorComponent.prototype.cdr;
/**
* @type {?}
* @private
*/
NzAnchorComponent.prototype.platform;
}
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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 { Platform } from '@angular/cdk/platform';\nimport { DOCUMENT } from '@angular/common';\nimport {\n  AfterViewInit,\n  ChangeDetectionStrategy,\n  ChangeDetectorRef,\n  Component,\n  ElementRef,\n  EventEmitter,\n  Inject,\n  Input,\n  OnDestroy,\n  Output,\n  ViewChild,\n  ViewEncapsulation\n} from '@angular/core';\nimport { fromEvent, Subscription } from 'rxjs';\nimport { distinctUntilChanged, throttleTime } from 'rxjs/operators';\n\nimport { toNumber, InputBoolean, InputNumber, NgStyleInterface, NzScrollService } from 'ng-zorro-antd/core';\n\nimport { NzAnchorLinkComponent } from './nz-anchor-link.component';\n\ninterface Section {\n  comp: NzAnchorLinkComponent;\n  top: number;\n}\n\nconst sharpMatcherRegx = /#([^#]+)$/;\n\n@Component({\n  selector: 'nz-anchor',\n  exportAs: 'nzAnchor',\n  preserveWhitespaces: false,\n  templateUrl: './nz-anchor.component.html',\n  encapsulation: ViewEncapsulation.None,\n  changeDetection: ChangeDetectionStrategy.OnPush\n})\nexport class NzAnchorComponent implements OnDestroy, AfterViewInit {\n  @ViewChild('ink', { static: false }) private ink: ElementRef;\n\n  @Input() @InputBoolean() nzAffix = true;\n  @Input() @InputBoolean() nzShowInkInFixed = false;\n  @Input() @InputNumber() nzBounds: number = 5;\n\n  @Input()\n  set nzOffsetTop(value: number) {\n    this._offsetTop = toNumber(value, 0);\n    this.wrapperStyle = {\n      'max-height': `calc(100vh - ${this._offsetTop}px)`\n    };\n  }\n\n  get nzOffsetTop(): number {\n    return this._offsetTop;\n  }\n\n  private _offsetTop: number;\n\n  @Input()\n  set nzTarget(el: string | Element) {\n    this.target = typeof el === 'string' ? this.doc.querySelector(el) : el;\n    this.registerScrollEvent();\n  }\n\n  @Output() readonly nzClick = new EventEmitter<string>();\n  @Output() readonly nzScroll = new EventEmitter<NzAnchorLinkComponent>();\n\n  visible = false;\n  wrapperStyle: NgStyleInterface = { 'max-height': '100vh' };\n\n  private links: NzAnchorLinkComponent[] = [];\n  private animating = false;\n  private target: Element | null = null;\n  private scroll$: Subscription | null = null;\n  private destroyed = false;\n\n  constructor(\n    private scrollSrv: NzScrollService,\n    /* tslint:disable-next-line:no-any */\n    @Inject(DOCUMENT) private doc: any,\n    private cdr: ChangeDetectorRef,\n    private platform: Platform\n  ) {}\n\n  registerLink(link: NzAnchorLinkComponent): void {\n    this.links.push(link);\n  }\n\n  unregisterLink(link: NzAnchorLinkComponent): void {\n    this.links.splice(this.links.indexOf(link), 1);\n  }\n\n  private getTarget(): Element | Window {\n    return this.target || window;\n  }\n\n  ngAfterViewInit(): void {\n    this.registerScrollEvent();\n  }\n\n  ngOnDestroy(): void {\n    this.destroyed = true;\n    this.removeListen();\n  }\n\n  private registerScrollEvent(): void {\n    if (!this.platform.isBrowser) {\n      return;\n    }\n    this.removeListen();\n    this.scroll$ = fromEvent(this.getTarget(), 'scroll')\n      .pipe(\n        throttleTime(50),\n        distinctUntilChanged()\n      )\n      .subscribe(() => this.handleScroll());\n    // Browser would maintain the scrolling position when refreshing.\n    // So we have to delay calculation in avoid of getting a incorrect result.\n    setTimeout(() => this.handleScroll());\n  }\n\n  private removeListen(): void {\n    if (this.scroll$) {\n      this.scroll$.unsubscribe();\n    }\n  }\n\n  private getOffsetTop(element: HTMLElement): number {\n    if (!element || !element.getClientRects().length) {\n      return 0;\n    }\n    const rect = element.getBoundingClientRect();\n    if (rect.width || rect.height) {\n      if (this.getTarget() === window) {\n        return rect.top - element.ownerDocument!.documentElement!.clientTop;\n      }\n      return rect.top - (this.getTarget() as HTMLElement).getBoundingClientRect().top;\n    }\n    return rect.top;\n  }\n\n  handleScroll(): void {\n    if (typeof document === 'undefined' || this.destroyed || this.animating) {\n      return;\n    }\n\n    const sections: Section[] = [];\n    const scope = (this.nzOffsetTop || 0) + this.nzBounds;\n    this.links.forEach(comp => {\n      const sharpLinkMatch = sharpMatcherRegx.exec(comp.nzHref.toString());\n      if (!sharpLinkMatch) {\n        return;\n      }\n      const target = this.doc.getElementById(sharpLinkMatch[1]);\n      if (target) {\n        const top = this.getOffsetTop(target);\n        if (top < scope) {\n          sections.push({\n            top,\n            comp\n          });\n        }\n      }\n    });\n\n    this.visible = !!sections.length;\n    if (!this.visible) {\n      this.clearActive();\n      this.cdr.detectChanges();\n    } else {\n      const maxSection = sections.reduce((prev, curr) => (curr.top > prev.top ? curr : prev));\n      this.handleActive(maxSection.comp);\n    }\n  }\n\n  private clearActive(): void {\n    this.links.forEach(i => {\n      i.active = false;\n      i.markForCheck();\n    });\n  }\n\n  private handleActive(comp: NzAnchorLinkComponent): void {\n    this.clearActive();\n\n    comp.active = true;\n    comp.markForCheck();\n\n    const linkNode = (comp.elementRef.nativeElement as HTMLDivElement).querySelector(\n      '.ant-anchor-link-title'\n    ) as HTMLElement;\n    this.ink.nativeElement.style.top = `${linkNode.offsetTop + linkNode.clientHeight / 2 - 4.5}px`;\n    this.visible = true;\n    this.cdr.detectChanges();\n\n    this.nzScroll.emit(comp);\n  }\n\n  handleScrollTo(linkComp: NzAnchorLinkComponent): void {\n    const el = this.doc.querySelector(linkComp.nzHref);\n    if (!el) {\n      return;\n    }\n\n    this.animating = true;\n    const containerScrollTop = this.scrollSrv.getScroll(this.getTarget());\n    const elOffsetTop = this.getOffsetTop(el);\n    const targetScrollTop = containerScrollTop + elOffsetTop - (this.nzOffsetTop || 0);\n    this.scrollSrv.scrollTo(this.getTarget(), targetScrollTop, undefined, () => {\n      this.animating = false;\n      this.handleActive(linkComp);\n    });\n    this.nzClick.emit(linkComp.nzHref);\n  }\n}\n"]}