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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: nz-option-container.component.ts * @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 { ChangeDetectionStrategy, ChangeDetectorRef, Component, ElementRef, EventEmitter, Input, NgZone, Output, QueryList, TemplateRef, ViewChild, ViewChildren, ViewEncapsulation } from '@angular/core'; import { fromEvent, Subject } from 'rxjs'; import { filter, map, pairwise, takeUntil } from 'rxjs/operators'; import { NzOptionLiComponent } from './nz-option-li.component'; import { NzSelectService } from './nz-select.service'; var NzOptionContainerComponent = /** @class */ (function () { function NzOptionContainerComponent(nzSelectService, cdr, ngZone) { this.nzSelectService = nzSelectService; this.cdr = cdr; this.ngZone = ngZone; this.destroy$ = new Subject(); this.lastScrollTop = 0; this.nzScrollToBottom = new EventEmitter(); } /** * @param {?} option * @return {?} */ NzOptionContainerComponent.prototype.scrollIntoViewIfNeeded = /** * @param {?} option * @return {?} */ function (option) { var _this = this; // delay after open setTimeout((/** * @return {?} */ function () { if (_this.listOfNzOptionLiComponent && _this.listOfNzOptionLiComponent.length && option) { /** @type {?} */ var targetOption = _this.listOfNzOptionLiComponent.find((/** * @param {?} o * @return {?} */ function (o) { return _this.nzSelectService.compareWith(o.nzOption.nzValue, option.nzValue); })); // tslint:disable:no-any if (targetOption && targetOption.el && ((/** @type {?} */ (targetOption.el))).scrollIntoViewIfNeeded) { ((/** @type {?} */ (targetOption.el))).scrollIntoViewIfNeeded(false); } } })); }; /** * @param {?} _index * @param {?} option * @return {?} */ NzOptionContainerComponent.prototype.trackLabel = /** * @param {?} _index * @param {?} option * @return {?} */ function (_index, option) { return option.nzLabel; }; // tslint:disable-next-line:no-any // tslint:disable-next-line:no-any /** * @param {?} _index * @param {?} option * @return {?} */ NzOptionContainerComponent.prototype.trackValue = // tslint:disable-next-line:no-any /** * @param {?} _index * @param {?} option * @return {?} */ function (_index, option) { return option.nzValue; }; /** * @return {?} */ NzOptionContainerComponent.prototype.ngOnInit = /** * @return {?} */ function () { var _this = this; this.nzSelectService.activatedOption$.pipe(takeUntil(this.destroy$)).subscribe((/** * @param {?} option * @return {?} */ function (option) { _this.scrollIntoViewIfNeeded((/** @type {?} */ (option))); })); this.nzSelectService.check$.pipe(takeUntil(this.destroy$)).subscribe((/** * @return {?} */ function () { _this.cdr.markForCheck(); })); this.ngZone.runOutsideAngular((/** * @return {?} */ function () { /** @type {?} */ var ul = _this.dropdownUl.nativeElement; fromEvent(ul, 'scroll') .pipe(takeUntil(_this.destroy$)) .subscribe((/** * @param {?} e * @return {?} */ function (e) { e.preventDefault(); e.stopPropagation(); if (ul && ul.scrollTop > _this.lastScrollTop && ul.scrollHeight < ul.clientHeight + ul.scrollTop + 10) { _this.lastScrollTop = ul.scrollTop; _this.ngZone.run((/** * @return {?} */ function () { _this.nzScrollToBottom.emit(); })); } })); })); }; /** * @return {?} */ NzOptionContainerComponent.prototype.ngAfterViewInit = /** * @return {?} */ function () { var _this = this; this.listOfNzOptionLiComponent.changes .pipe(map((/** * @param {?} list * @return {?} */ function (list) { return list.length; })), pairwise(), filter((/** * @param {?} __0 * @return {?} */ function (_a) { var _b = tslib_1.__read(_a, 2), before = _b[0], after = _b[1]; return after < before; })), takeUntil(this.destroy$)) .subscribe((/** * @return {?} */ function () { return (_this.lastScrollTop = 0); })); }; /** * @return {?} */ NzOptionContainerComponent.prototype.ngOnDestroy = /** * @return {?} */ function () { this.destroy$.next(); this.destroy$.complete(); }; NzOptionContainerComponent.decorators = [ { type: Component, args: [{ selector: '[nz-option-container]', exportAs: 'nzOptionContainer', changeDetection: ChangeDetectionStrategy.OnPush, encapsulation: ViewEncapsulation.None, preserveWhitespaces: false, template: "<ul #dropdownUl\n class=\"ant-select-dropdown-menu ant-select-dropdown-menu-root ant-select-dropdown-menu-vertical\"\n role=\"menu\"\n tabindex=\"0\">\n <li *ngIf=\"nzSelectService.isShowNotFound\"\n nz-select-unselectable\n class=\"ant-select-dropdown-menu-item ant-select-dropdown-menu-item-disabled\">\n <nz-embed-empty [nzComponentName]=\"'select'\" [specificContent]=\"nzNotFoundContent\"></nz-embed-empty>\n </li>\n <li nz-option-li\n *ngIf=\"nzSelectService.addedTagOption\"\n [nzMenuItemSelectedIcon]=\"nzMenuItemSelectedIcon\"\n [nzOption]=\"nzSelectService.addedTagOption\">\n </li>\n <ng-container *ngFor=\"let option of nzSelectService.listOfNzOptionComponent | nzFilterOption : nzSelectService.searchValue : nzSelectService.filterOption : nzSelectService.serverSearch; trackBy: trackValue\">\n <li nz-option-li\n *ngIf=\"!option.nzHide\"\n [nzMenuItemSelectedIcon]=\"nzMenuItemSelectedIcon\"\n [nzOption]=\"option\">\n </li>\n </ng-container>\n <li class=\"ant-select-dropdown-menu-item-group\"\n *ngFor=\"let group of nzSelectService.listOfNzOptionGroupComponent | nzFilterGroupOption : nzSelectService.searchValue : nzSelectService.filterOption :nzSelectService.serverSearch; trackBy: trackLabel\">\n <div class=\"ant-select-dropdown-menu-item-group-title\"\n [attr.title]=\"group.isLabelString ? group.nzLabel : ''\">\n <ng-container *nzStringTemplateOutlet=\"group.nzLabel\"> {{group.nzLabel}} </ng-container>\n </div>\n <ul class=\"ant-select-dropdown-menu-item-group-list\">\n <ng-container *ngFor=\"let option of group.listOfNzOptionComponent | nzFilterOption : nzSelectService.searchValue : nzSelectService.filterOption :nzSelectService.serverSearch; trackBy: trackValue\">\n <li nz-option-li\n *ngIf=\"!option.nzHide\"\n [nzMenuItemSelectedIcon]=\"nzMenuItemSelectedIcon\"\n [nzOption]=\"option\">\n </li>\n </ng-container>\n </ul>\n </li>\n <li nz-option-li\n *ngFor=\"let option of nzSelectService.listOfTagOption | nzFilterOption : nzSelectService.searchValue : nzSelectService.filterOption : nzSelectService.serverSearch; trackBy: trackValue \"\n [nzMenuItemSelectedIcon]=\"nzMenuItemSelectedIcon\"\n [nzOption]=\"option\">\n </li>\n</ul>\n" }] } ]; /** @nocollapse */ NzOptionContainerComponent.ctorParameters = function () { return [ { type: NzSelectService }, { type: ChangeDetectorRef }, { type: NgZone } ]; }; NzOptionContainerComponent.propDecorators = { listOfNzOptionLiComponent: [{ type: ViewChildren, args: [NzOptionLiComponent,] }], dropdownUl: [{ type: ViewChild, args: ['dropdownUl', { static: true },] }], nzNotFoundContent: [{ type: Input }], nzMenuItemSelectedIcon: [{ type: Input }], nzScrollToBottom: [{ type: Output }] }; return NzOptionContainerComponent; }()); export { NzOptionContainerComponent }; if (false) { /** * @type {?} * @private */ NzOptionContainerComponent.prototype.destroy$; /** * @type {?} * @private */ NzOptionContainerComponent.prototype.lastScrollTop; /** @type {?} */ NzOptionContainerComponent.prototype.listOfNzOptionLiComponent; /** @type {?} */ NzOptionContainerComponent.prototype.dropdownUl; /** @type {?} */ NzOptionContainerComponent.prototype.nzNotFoundContent; /** @type {?} */ NzOptionContainerComponent.prototype.nzMenuItemSelectedIcon; /** @type {?} */ NzOptionContainerComponent.prototype.nzScrollToBottom; /** @type {?} */ NzOptionContainerComponent.prototype.nzSelectService; /** * @type {?} * @private */ NzOptionContainerComponent.prototype.cdr; /** * @type {?} * @private */ NzOptionContainerComponent.prototype.ngZone; } //# 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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 {\n  AfterViewInit,\n  ChangeDetectionStrategy,\n  ChangeDetectorRef,\n  Component,\n  ElementRef,\n  EventEmitter,\n  Input,\n  NgZone,\n  OnDestroy,\n  OnInit,\n  Output,\n  QueryList,\n  TemplateRef,\n  ViewChild,\n  ViewChildren,\n  ViewEncapsulation\n} from '@angular/core';\nimport { fromEvent, Subject } from 'rxjs';\nimport { filter, map, pairwise, takeUntil } from 'rxjs/operators';\nimport { NzOptionGroupComponent } from './nz-option-group.component';\nimport { NzOptionLiComponent } from './nz-option-li.component';\nimport { NzOptionComponent } from './nz-option.component';\nimport { NzSelectService } from './nz-select.service';\n\n@Component({\n  selector: '[nz-option-container]',\n  exportAs: 'nzOptionContainer',\n  changeDetection: ChangeDetectionStrategy.OnPush,\n  encapsulation: ViewEncapsulation.None,\n  preserveWhitespaces: false,\n  templateUrl: './nz-option-container.component.html'\n})\nexport class NzOptionContainerComponent implements OnDestroy, OnInit, AfterViewInit {\n  private destroy$ = new Subject();\n  private lastScrollTop = 0;\n  @ViewChildren(NzOptionLiComponent) listOfNzOptionLiComponent: QueryList<NzOptionLiComponent>;\n  @ViewChild('dropdownUl', { static: true }) dropdownUl: ElementRef<HTMLUListElement>;\n  @Input() nzNotFoundContent: string;\n  @Input() nzMenuItemSelectedIcon: TemplateRef<void>;\n  @Output() readonly nzScrollToBottom = new EventEmitter<void>();\n\n  scrollIntoViewIfNeeded(option: NzOptionComponent): void {\n    // delay after open\n    setTimeout(() => {\n      if (this.listOfNzOptionLiComponent && this.listOfNzOptionLiComponent.length && option) {\n        const targetOption = this.listOfNzOptionLiComponent.find(o =>\n          this.nzSelectService.compareWith(o.nzOption.nzValue, option.nzValue)\n        );\n        // tslint:disable:no-any\n        if (targetOption && targetOption.el && (targetOption.el as any).scrollIntoViewIfNeeded) {\n          (targetOption.el as any).scrollIntoViewIfNeeded(false);\n        }\n      }\n    });\n  }\n\n  trackLabel(_index: number, option: NzOptionGroupComponent): string | TemplateRef<void> {\n    return option.nzLabel;\n  }\n\n  // tslint:disable-next-line:no-any\n  trackValue(_index: number, option: NzOptionComponent): any {\n    return option.nzValue;\n  }\n\n  constructor(public nzSelectService: NzSelectService, private cdr: ChangeDetectorRef, private ngZone: NgZone) {}\n\n  ngOnInit(): void {\n    this.nzSelectService.activatedOption$.pipe(takeUntil(this.destroy$)).subscribe(option => {\n      this.scrollIntoViewIfNeeded(option!);\n    });\n    this.nzSelectService.check$.pipe(takeUntil(this.destroy$)).subscribe(() => {\n      this.cdr.markForCheck();\n    });\n    this.ngZone.runOutsideAngular(() => {\n      const ul = this.dropdownUl.nativeElement;\n      fromEvent<MouseEvent>(ul, 'scroll')\n        .pipe(takeUntil(this.destroy$))\n        .subscribe(e => {\n          e.preventDefault();\n          e.stopPropagation();\n          if (ul && ul.scrollTop > this.lastScrollTop && ul.scrollHeight < ul.clientHeight + ul.scrollTop + 10) {\n            this.lastScrollTop = ul.scrollTop;\n            this.ngZone.run(() => {\n              this.nzScrollToBottom.emit();\n            });\n          }\n        });\n    });\n  }\n\n  ngAfterViewInit(): void {\n    this.listOfNzOptionLiComponent.changes\n      .pipe(\n        map(list => list.length),\n        pairwise(),\n        filter(([before, after]) => after < before),\n        takeUntil(this.destroy$)\n      )\n      .subscribe(() => (this.lastScrollTop = 0));\n  }\n\n  ngOnDestroy(): void {\n    this.destroy$.next();\n    this.destroy$.complete();\n  }\n}\n"]}