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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: option-container.component.ts * @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 { CdkVirtualScrollViewport } from '@angular/cdk/scrolling'; import { ChangeDetectionStrategy, Component, EventEmitter, Input, Output, ViewChild, ViewEncapsulation } from '@angular/core'; export class NzOptionContainerComponent { constructor() { this.notFoundContent = undefined; this.menuItemSelectedIcon = null; this.dropdownRender = null; this.activatedValue = null; this.listOfSelectedValue = []; this.mode = 'default'; this.matchWidth = true; this.itemSize = 32; this.maxItemLength = 8; this.listOfContainerItem = []; this.itemClick = new EventEmitter(); this.scrollToBottom = new EventEmitter(); this.scrolledIndex = 0; } /** * @param {?} value * @return {?} */ onItemClick(value) { this.itemClick.emit(value); } /** * @param {?} value * @return {?} */ onItemHover(value) { // TODO: keydown.enter won't activate this value this.activatedValue = value; } /** * @param {?} _index * @param {?} option * @return {?} */ trackValue(_index, option) { return option.key; } /** * @param {?} index * @return {?} */ onScrolledIndexChange(index) { this.scrolledIndex = index; if (index === this.listOfContainerItem.length - this.maxItemLength) { this.scrollToBottom.emit(); } } /** * @return {?} */ scrollToActivatedValue() { /** @type {?} */ const index = this.listOfContainerItem.findIndex((/** * @param {?} item * @return {?} */ item => this.compareWith(item.key, this.activatedValue))); if (index < this.scrolledIndex || index >= this.scrolledIndex + this.maxItemLength) { this.cdkVirtualScrollViewport.scrollToIndex(index || 0); } } /** * @param {?} changes * @return {?} */ ngOnChanges(changes) { const { listOfContainerItem, activatedValue } = changes; if (listOfContainerItem || activatedValue) { this.scrollToActivatedValue(); } } /** * @return {?} */ ngAfterViewInit() { setTimeout((/** * @return {?} */ () => this.scrollToActivatedValue())); } } NzOptionContainerComponent.decorators = [ { type: Component, args: [{ selector: 'nz-option-container', exportAs: 'nzOptionContainer', changeDetection: ChangeDetectionStrategy.OnPush, encapsulation: ViewEncapsulation.None, preserveWhitespaces: false, template: ` <div> <div *ngIf="listOfContainerItem.length === 0" class="ant-select-item-empty"> <nz-embed-empty nzComponentName="select" [specificContent]="notFoundContent"></nz-embed-empty> </div> <cdk-virtual-scroll-viewport [class.full-width]="!matchWidth" [itemSize]="itemSize" [maxBufferPx]="itemSize * maxItemLength" [minBufferPx]="itemSize * maxItemLength" (scrolledIndexChange)="onScrolledIndexChange($event)" [style.height.px]="listOfContainerItem.length * itemSize" [style.max-height.px]="itemSize * maxItemLength" > <ng-container *cdkVirtualFor="let item of listOfContainerItem; trackBy: trackValue"> <ng-container [ngSwitch]="item.type"> <nz-option-item-group *ngSwitchCase="'group'" [nzLabel]="item.groupLabel"></nz-option-item-group> <nz-option-item *ngSwitchCase="'item'" [icon]="menuItemSelectedIcon" [customContent]="item.nzCustomContent" [template]="item.template" [grouped]="!!item.groupLabel" [disabled]="item.nzDisabled" [showState]="mode === 'tags' || mode === 'multiple'" [label]="item.nzLabel" [compareWith]="compareWith" [activatedValue]="activatedValue" [listOfSelectedValue]="listOfSelectedValue" [value]="item.nzValue" (itemHover)="onItemHover($event)" (itemClick)="onItemClick($event)" ></nz-option-item> </ng-container> </ng-container> </cdk-virtual-scroll-viewport> <ng-template [ngTemplateOutlet]="dropdownRender"></ng-template> </div> `, host: { '[class.ant-select-dropdown]': 'true' } }] } ]; NzOptionContainerComponent.propDecorators = { notFoundContent: [{ type: Input }], menuItemSelectedIcon: [{ type: Input }], dropdownRender: [{ type: Input }], activatedValue: [{ type: Input }], listOfSelectedValue: [{ type: Input }], compareWith: [{ type: Input }], mode: [{ type: Input }], matchWidth: [{ type: Input }], itemSize: [{ type: Input }], maxItemLength: [{ type: Input }], listOfContainerItem: [{ type: Input }], itemClick: [{ type: Output }], scrollToBottom: [{ type: Output }], cdkVirtualScrollViewport: [{ type: ViewChild, args: [CdkVirtualScrollViewport, { static: true },] }] }; if (false) { /** @type {?} */ NzOptionContainerComponent.prototype.notFoundContent; /** @type {?} */ NzOptionContainerComponent.prototype.menuItemSelectedIcon; /** @type {?} */ NzOptionContainerComponent.prototype.dropdownRender; /** @type {?} */ NzOptionContainerComponent.prototype.activatedValue; /** @type {?} */ NzOptionContainerComponent.prototype.listOfSelectedValue; /** @type {?} */ NzOptionContainerComponent.prototype.compareWith; /** @type {?} */ NzOptionContainerComponent.prototype.mode; /** @type {?} */ NzOptionContainerComponent.prototype.matchWidth; /** @type {?} */ NzOptionContainerComponent.prototype.itemSize; /** @type {?} */ NzOptionContainerComponent.prototype.maxItemLength; /** @type {?} */ NzOptionContainerComponent.prototype.listOfContainerItem; /** @type {?} */ NzOptionContainerComponent.prototype.itemClick; /** @type {?} */ NzOptionContainerComponent.prototype.scrollToBottom; /** @type {?} */ NzOptionContainerComponent.prototype.cdkVirtualScrollViewport; /** * @type {?} * @private */ NzOptionContainerComponent.prototype.scrolledIndex; 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trackBy: trackValue\">\n          <ng-container [ngSwitch]=\"item.type\">\n            <nz-option-item-group *ngSwitchCase=\"'group'\" [nzLabel]=\"item.groupLabel\"></nz-option-item-group>\n            <nz-option-item\n              *ngSwitchCase=\"'item'\"\n              [icon]=\"menuItemSelectedIcon\"\n              [customContent]=\"item.nzCustomContent\"\n              [template]=\"item.template\"\n              [grouped]=\"!!item.groupLabel\"\n              [disabled]=\"item.nzDisabled\"\n              [showState]=\"mode === 'tags' || mode === 'multiple'\"\n              [label]=\"item.nzLabel\"\n              [compareWith]=\"compareWith\"\n              [activatedValue]=\"activatedValue\"\n              [listOfSelectedValue]=\"listOfSelectedValue\"\n              [value]=\"item.nzValue\"\n              (itemHover)=\"onItemHover($event)\"\n              (itemClick)=\"onItemClick($event)\"\n            ></nz-option-item>\n          </ng-container>\n        </ng-container>\n      </cdk-virtual-scroll-viewport>\n      <ng-template [ngTemplateOutlet]=\"dropdownRender\"></ng-template>\n    </div>\n  `,\n  host: {\n    '[class.ant-select-dropdown]': 'true'\n  }\n})\nexport class NzOptionContainerComponent implements OnChanges, AfterViewInit {\n  @Input() notFoundContent: string | TemplateRef<NzSafeAny> | undefined = undefined;\n  @Input() menuItemSelectedIcon: TemplateRef<NzSafeAny> | null = null;\n  @Input() dropdownRender: TemplateRef<NzSafeAny> | null = null;\n  @Input() activatedValue: NzSafeAny | null = null;\n  @Input() listOfSelectedValue: NzSafeAny[] = [];\n  @Input() compareWith: (o1: NzSafeAny, o2: NzSafeAny) => boolean;\n  @Input() mode: NzSelectModeType = 'default';\n  @Input() matchWidth = true;\n  @Input() itemSize = 32;\n  @Input() maxItemLength = 8;\n  @Input() listOfContainerItem: NzSelectItemInterface[] = [];\n  @Output() readonly itemClick = new EventEmitter<NzSafeAny>();\n  @Output() readonly scrollToBottom = new EventEmitter<void>();\n  @ViewChild(CdkVirtualScrollViewport, { static: true }) cdkVirtualScrollViewport: CdkVirtualScrollViewport;\n  private scrolledIndex = 0;\n\n  onItemClick(value: NzSafeAny): void {\n    this.itemClick.emit(value);\n  }\n\n  onItemHover(value: NzSafeAny): void {\n    // TODO: keydown.enter won't activate this value\n    this.activatedValue = value;\n  }\n\n  trackValue(_index: number, option: NzSelectItemInterface): NzSafeAny {\n    return option.key;\n  }\n\n  onScrolledIndexChange(index: number): void {\n    this.scrolledIndex = index;\n    if (index === this.listOfContainerItem.length - this.maxItemLength) {\n      this.scrollToBottom.emit();\n    }\n  }\n\n  scrollToActivatedValue(): void {\n    const index = this.listOfContainerItem.findIndex(item => this.compareWith(item.key, this.activatedValue));\n    if (index < this.scrolledIndex || index >= this.scrolledIndex + this.maxItemLength) {\n      this.cdkVirtualScrollViewport.scrollToIndex(index || 0);\n    }\n  }\n\n  ngOnChanges(changes: SimpleChanges): void {\n    const { listOfContainerItem, activatedValue } = changes;\n    if (listOfContainerItem || activatedValue) {\n      this.scrollToActivatedValue();\n    }\n  }\n  ngAfterViewInit(): void {\n    setTimeout(() => this.scrollToActivatedValue());\n  }\n}\n"]}