ng-zorro-antd
Version:
An enterprise-class UI components based on Ant Design and Angular
422 lines • 35.2 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,constantProperty,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, Component, ElementRef, EventEmitter, Inject, Input, NgZone, Output, ViewChild, ViewEncapsulation } from '@angular/core';
import { fromEvent, merge, Subscription } from 'rxjs';
import { auditTime } from 'rxjs/operators';
import { getStyleAsText, shallowEqual, InputNumber, NzConfigService, NzScrollService, WithConfig } from 'ng-zorro-antd/core';
import { isTargetWindow } from './utils';
/**
* @record
*/
function SimpleRect() { }
if (false) {
/** @type {?} */
SimpleRect.prototype.top;
/** @type {?} */
SimpleRect.prototype.left;
/** @type {?|undefined} */
SimpleRect.prototype.width;
/** @type {?|undefined} */
SimpleRect.prototype.height;
/** @type {?|undefined} */
SimpleRect.prototype.bottom;
}
/** @type {?} */
const NZ_AFFIX_CLS_PREFIX = 'ant-affix';
/** @type {?} */
const NZ_AFFIX_DEFAULT_SCROLL_TIME = 20;
/** @type {?} */
const NZ_AFFIX_RESPOND_EVENTS = ['resize', 'scroll', 'touchstart', 'touchmove', 'touchend', 'pageshow', 'load'];
export class NzAffixComponent {
/**
* @param {?} el
* @param {?} doc
* @param {?} nzConfigService
* @param {?} scrollSrv
* @param {?} ngZone
* @param {?} platform
*/
constructor(el, doc, // tslint:disable-line no-any
nzConfigService, scrollSrv, ngZone, platform) {
this.nzConfigService = nzConfigService;
this.scrollSrv = scrollSrv;
this.ngZone = ngZone;
this.platform = platform;
this.nzChange = new EventEmitter();
this.scroll$ = Subscription.EMPTY;
// 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.updatePosition((/** @type {?} */ ({})));
}
if (nzTarget) {
this.registerListeners();
}
}
/**
* @return {?}
*/
ngAfterViewInit() {
this.registerListeners();
}
/**
* @return {?}
*/
ngOnDestroy() {
this.removeListeners();
}
/**
* @private
* @return {?}
*/
registerListeners() {
this.removeListeners();
this.scroll$ = this.ngZone.runOutsideAngular((/**
* @return {?}
*/
() => {
return merge(...NZ_AFFIX_RESPOND_EVENTS.map((/**
* @param {?} evName
* @return {?}
*/
evName => fromEvent(this.target, evName))))
.pipe(auditTime(NZ_AFFIX_DEFAULT_SCROLL_TIME))
.subscribe((/**
* @param {?} e
* @return {?}
*/
e => this.updatePosition(e)));
}));
this.timeout = setTimeout((/**
* @return {?}
*/
() => this.updatePosition((/** @type {?} */ ({})))));
}
/**
* @private
* @return {?}
*/
removeListeners() {
clearTimeout(this.timeout);
this.scroll$.unsubscribe();
}
/**
* @param {?} element
* @param {?} target
* @return {?}
*/
getOffset(element, target) {
/** @type {?} */
const elemRect = element.getBoundingClientRect();
/** @type {?} */
const targetRect = this.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 {?} target
* @return {?}
*/
getTargetRect(target) {
return !isTargetWindow(target) ? target.getBoundingClientRect() : { top: 0, left: 0, bottom: 0 };
}
/**
* @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;
wrapEl.style.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.placeholderNode.style.cssText = getStyleAsText(placeholderStyle);
this.placeholderStyle = placeholderStyle;
}
/**
* @private
* @param {?} e
* @return {?}
*/
syncPlaceholderStyle(e) {
if (!this.affixStyle) {
return;
}
this.placeholderNode.style.cssText = '';
this.placeholderStyle = undefined;
/** @type {?} */
const styleObj = { width: this.placeholderNode.offsetWidth, height: this.fixedEl.nativeElement.offsetHeight };
this.setAffixStyle(e, 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 = this.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,
maxHeight: `calc(100vh - ${top}px)`,
width
});
this.setPlaceholderStyle({
width,
height: elemSize.height
});
}
else if (scrollTop <= elemOffset.top + elemSize.height + ((/** @type {?} */ (this.nzOffsetBottom))) - targetInnerHeight &&
offsetMode.bottom) {
/** @type {?} */
const targetBottomOffet = targetNode === window ? 0 : window.innerHeight - (/** @type {?} */ (targetRect.bottom));
/** @type {?} */
const width = elemOffset.width;
this.setAffixStyle(e, {
position: 'fixed',
bottom: targetBottomOffet + ((/** @type {?} */ (this.nzOffsetBottom))),
left: targetRect.left + elemOffset.left,
width
});
this.setPlaceholderStyle({
width,
height: elemOffset.height
});
}
else {
if (e.type === 'resize' &&
this.affixStyle &&
this.affixStyle.position === 'fixed' &&
this.placeholderNode.offsetWidth) {
this.setAffixStyle(e, 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>\n <ng-content></ng-content>\n</div>\n",
changeDetection: ChangeDetectionStrategy.OnPush,
encapsulation: ViewEncapsulation.None,
styles: [`
nz-affix {
display: block;
}
`]
}] }
];
/** @nocollapse */
NzAffixComponent.ctorParameters = () => [
{ type: ElementRef },
{ type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] },
{ type: NzConfigService },
{ type: NzScrollService },
{ type: NgZone },
{ type: Platform }
];
NzAffixComponent.propDecorators = {
fixedEl: [{ type: ViewChild, args: ['fixedEl', { static: true },] }],
nzTarget: [{ type: Input }],
nzOffsetTop: [{ type: Input }],
nzOffsetBottom: [{ type: Input }],
nzChange: [{ type: Output }]
};
tslib_1.__decorate([
WithConfig(0), InputNumber(),
tslib_1.__metadata("design:type", Object)
], NzAffixComponent.prototype, "nzOffsetTop", void 0);
tslib_1.__decorate([
WithConfig(null), InputNumber(),
tslib_1.__metadata("design:type", Object)
], NzAffixComponent.prototype, "nzOffsetBottom", void 0);
if (false) {
/**
* @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.scroll$;
/**
* @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;
}
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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  Component,\n  ElementRef,\n  EventEmitter,\n  Inject,\n  Input,\n  NgZone,\n  OnChanges,\n  OnDestroy,\n  Output,\n  SimpleChanges,\n  ViewChild,\n  ViewEncapsulation\n} from '@angular/core';\nimport { fromEvent, merge, Subscription } from 'rxjs';\nimport { auditTime } from 'rxjs/operators';\n\nimport {\n  getStyleAsText,\n  shallowEqual,\n  InputNumber,\n  NgStyleInterface,\n  NzConfigService,\n  NzScrollService,\n  WithConfig\n} from 'ng-zorro-antd/core';\nimport { isTargetWindow } from './utils';\n\ninterface SimpleRect {\n  top: number;\n  left: number;\n  width?: number;\n  height?: number;\n  bottom?: number;\n}\n\nconst NZ_AFFIX_CLS_PREFIX = 'ant-affix';\nconst NZ_AFFIX_DEFAULT_SCROLL_TIME = 20;\nconst NZ_AFFIX_RESPOND_EVENTS = ['resize', 'scroll', 'touchstart', 'touchmove', 'touchend', 'pageshow', 'load'];\n\n@Component({\n  selector: 'nz-affix',\n  exportAs: 'nzAffix',\n  templateUrl: './nz-affix.component.html',\n  changeDetection: ChangeDetectionStrategy.OnPush,\n  styles: [\n    `\n      nz-affix {\n        display: block;\n      }\n    `\n  ],\n  encapsulation: ViewEncapsulation.None\n})\nexport class NzAffixComponent implements AfterViewInit, OnChanges, OnDestroy {\n  @ViewChild('fixedEl', { static: true }) private fixedEl: ElementRef<HTMLDivElement>;\n\n  @Input() nzTarget: string | Element | Window;\n  @Input() @WithConfig<number | null>(0) @InputNumber() nzOffsetTop: null | number;\n  @Input() @WithConfig<number | null>(null) @InputNumber() 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 scroll$: Subscription = Subscription.EMPTY;\n  private timeout?: number;\n  private document: Document;\n\n  private get target(): Element | Window {\n    const el = this.nzTarget;\n    return (typeof el === 'string' ? this.document.querySelector(el) : el) || window;\n  }\n\n  constructor(\n    el: ElementRef,\n    @Inject(DOCUMENT) doc: any, // tslint:disable-line no-any\n    public nzConfigService: NzConfigService,\n    private scrollSrv: NzScrollService,\n    private ngZone: NgZone,\n    private platform: Platform\n  ) {\n    // The wrapper would stay at the original position as a placeholder.\n    this.placeholderNode = el.nativeElement;\n    this.document = doc;\n  }\n\n  ngOnChanges(changes: SimpleChanges): void {\n    const { nzOffsetBottom, nzOffsetTop, nzTarget } = changes;\n\n    if (nzOffsetBottom || nzOffsetTop) {\n      this.updatePosition({} as Event);\n    }\n    if (nzTarget) {\n      this.registerListeners();\n    }\n  }\n\n  ngAfterViewInit(): void {\n    this.registerListeners();\n  }\n\n  ngOnDestroy(): void {\n    this.removeListeners();\n  }\n\n  private registerListeners(): void {\n    this.removeListeners();\n    this.scroll$ = this.ngZone.runOutsideAngular(() => {\n      return merge(...NZ_AFFIX_RESPOND_EVENTS.map(evName => fromEvent(this.target, evName)))\n        .pipe(auditTime(NZ_AFFIX_DEFAULT_SCROLL_TIME))\n        .subscribe(e => this.updatePosition(e));\n    });\n    this.timeout = setTimeout(() => this.updatePosition({} as Event));\n  }\n\n  private removeListeners(): void {\n    clearTimeout(this.timeout);\n    this.scroll$.unsubscribe();\n  }\n\n  getOffset(element: Element, target: Element | Window | undefined): SimpleRect {\n    const elemRect = element.getBoundingClientRect();\n    const targetRect = this.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 getTargetRect(target: Element | Window): SimpleRect {\n    return !isTargetWindow(target) ? target.getBoundingClientRect() : { top: 0, left: 0, bottom: 0 };\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    wrapEl.style.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.placeholderNode.style.cssText = getStyleAsText(placeholderStyle);\n    this.placeholderStyle = placeholderStyle;\n  }\n\n  private syncPlaceholderStyle(e: Event): void {\n    if (!this.affixStyle) {\n      return;\n    }\n    this.placeholderNode.style.cssText = '';\n    this.placeholderStyle = undefined;\n    const styleObj = { width: this.placeholderNode.offsetWidth, height: this.fixedEl.nativeElement.offsetHeight };\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 = this.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        maxHeight: `calc(100vh - ${top}px)`,\n        width\n      });\n      this.setPlaceholderStyle({\n        width,\n        height: elemSize.height\n      });\n    } else if (\n      scrollTop <= elemOffset.top + elemSize.height + (this.nzOffsetBottom as number) - targetInnerHeight &&\n      offsetMode.bottom\n    ) {\n      const targetBottomOffet = targetNode === window ? 0 : window.innerHeight - targetRect.bottom!;\n      const width = elemOffset.width;\n      this.setAffixStyle(e, {\n        position: 'fixed',\n        bottom: targetBottomOffet + (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 === 'resize' &&\n        this.affixStyle &&\n        this.affixStyle.position === 'fixed' &&\n        this.placeholderNode.offsetWidth\n      ) {\n        this.setAffixStyle(e, { ...this.affixStyle, width: this.placeholderNode.offsetWidth });\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"]}