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@taiga-ui/kit

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import { __decorate, __param } from "tslib"; import { AfterViewInit, ChangeDetectionStrategy, ChangeDetectorRef, Component, ContentChildren, ElementRef, EventEmitter, HostBinding, Inject, Input, Output, QueryList, TemplateRef, ViewChild, } from '@angular/core'; import { EMPTY_QUERY, getClosestFocusable, isNativeFocused, setNativeFocused, tuiDefaultProp, } from '@taiga-ui/cdk'; import { TUI_MORE_WORD } from '@taiga-ui/kit/tokens'; import { Observable } from 'rxjs'; import { filter, map } from 'rxjs/operators'; import { TuiTabDirective } from '../tab.directive'; import { TuiTabComponent } from '../tab/tab.component'; import { TAB_MARGIN } from '../tabs.const'; import { TABS_PROVIDERS, TABS_REFRESH } from './tabs-with-more.providers'; // @dynamic var TuiTabsWithMoreComponent = /** @class */ (function () { function TuiTabsWithMoreComponent(refresh$, elementRef, changeDetectorRef, moreWord$) { this.refresh$ = refresh$; this.elementRef = elementRef; this.changeDetectorRef = changeDetectorRef; this.moreWord$ = moreWord$; this.moreContent = ''; this.underline = true; this.activeItemIndex = 0; this.itemsLimit = Infinity; this.activeItemIndexChange = new EventEmitter(); this.items = EMPTY_QUERY; this.open = false; this.maxIndex = Infinity; } Object.defineProperty(TuiTabsWithMoreComponent.prototype, "tabs", { get: function () { return Array.from(this.elementRef.nativeElement.querySelectorAll('[tuiTab]')); }, enumerable: true, configurable: true }); Object.defineProperty(TuiTabsWithMoreComponent.prototype, "activeElement", { get: function () { return this.tabs[this.activeItemIndex] || null; }, enumerable: true, configurable: true }); Object.defineProperty(TuiTabsWithMoreComponent.prototype, "isMoreVisible", { get: function () { return this.lastVisibleIndex < this.items.length - 1; }, enumerable: true, configurable: true }); Object.defineProperty(TuiTabsWithMoreComponent.prototype, "isMoreFocusable", { get: function () { return !!this.moreButton && isNativeFocused(this.moreButton.nativeElement); }, enumerable: true, configurable: true }); Object.defineProperty(TuiTabsWithMoreComponent.prototype, "lastVisibleIndex", { get: function () { if (this.itemsLimit + 1 >= this.items.length) { return this.maxIndex; } var offset = this.itemsLimit - 1 > this.activeItemIndex ? 1 : 2; return Math.min(this.itemsLimit - offset, this.maxIndex); }, enumerable: true, configurable: true }); TuiTabsWithMoreComponent.prototype.ngAfterViewInit = function () { var _this = this; this.refresh$ .pipe(map(function () { return _this.getMaxIndex(); }), filter(function (maxIndex) { return _this.maxIndex !== maxIndex; })) .subscribe(function (maxIndex) { _this.maxIndex = maxIndex; _this.changeDetectorRef.detectChanges(); }); }; TuiTabsWithMoreComponent.prototype.onActiveItemIndexChange = function (activeItemIndex) { this.updateActiveItemIndex(activeItemIndex); }; TuiTabsWithMoreComponent.prototype.onClick = function (index) { this.open = false; this.focusMore(); this.updateActiveItemIndex(index); }; TuiTabsWithMoreComponent.prototype.onArrowRight = function (element) { if (isNativeFocused(element)) { this.focusMore(); } }; TuiTabsWithMoreComponent.prototype.onArrowLeft = function () { var tabs = this.tabs; var index = tabs.length - 2; while (index >= 0) { setNativeFocused(tabs[index]); if (isNativeFocused(tabs[index])) { return; } index--; } }; TuiTabsWithMoreComponent.prototype.onWrapperArrow = function (button, wrapper, prev) { var target = getClosestFocusable(button, prev, wrapper); if (target) { setNativeFocused(target); } }; TuiTabsWithMoreComponent.prototype.focusMore = function () { if (this.moreButton) { setNativeFocused(this.moreButton.nativeElement); } }; TuiTabsWithMoreComponent.prototype.getMaxIndex = function () { var _a = this, tabs = _a.tabs, activeItemIndex = _a.activeItemIndex; if (tabs.length < 2) { return 0; } var clientWidth = this.elementRef.nativeElement.clientWidth; var activeWidth = tabs[activeItemIndex] ? tabs[activeItemIndex].scrollWidth : 0; var moreWidth = tabs[tabs.length - 1].scrollWidth; var maxIndex = tabs.length - 2; var total = tabs.reduce(function (acc, tab) { return acc + tab.scrollWidth; }, 0) + maxIndex * TAB_MARGIN - moreWidth; if (total <= clientWidth) { return Infinity; } while (maxIndex) { total -= tabs[maxIndex].scrollWidth + TAB_MARGIN; maxIndex--; var activeOffset = activeItemIndex > maxIndex ? activeWidth + TAB_MARGIN : 0; if (total + activeOffset + moreWidth + TAB_MARGIN < clientWidth) { return maxIndex; } } return 0; }; TuiTabsWithMoreComponent.prototype.updateActiveItemIndex = function (activeItemIndex) { if (this.activeItemIndex === activeItemIndex) { return; } this.activeItemIndex = activeItemIndex; this.activeItemIndexChange.emit(activeItemIndex); this.maxIndex = this.getMaxIndex(); }; TuiTabsWithMoreComponent.ctorParameters = function () { return [ { type: Observable, decorators: [{ type: Inject, args: [TABS_REFRESH,] }] }, { type: ElementRef, decorators: [{ type: Inject, args: [ElementRef,] }] }, { type: ChangeDetectorRef, decorators: [{ type: Inject, args: [ChangeDetectorRef,] }] }, { type: Observable, decorators: [{ type: Inject, args: [TUI_MORE_WORD,] }] } ]; }; __decorate([ Input(), tuiDefaultProp() ], TuiTabsWithMoreComponent.prototype, "moreContent", void 0); __decorate([ Input(), HostBinding('class._underline'), tuiDefaultProp() ], TuiTabsWithMoreComponent.prototype, "underline", void 0); __decorate([ Input(), tuiDefaultProp() ], TuiTabsWithMoreComponent.prototype, "activeItemIndex", void 0); __decorate([ Input(), tuiDefaultProp() ], TuiTabsWithMoreComponent.prototype, "itemsLimit", void 0); __decorate([ Output() ], TuiTabsWithMoreComponent.prototype, "activeItemIndexChange", void 0); __decorate([ ContentChildren(TuiTabDirective, { read: TemplateRef }) ], TuiTabsWithMoreComponent.prototype, "items", void 0); __decorate([ ViewChild(TuiTabComponent, { read: ElementRef }) ], TuiTabsWithMoreComponent.prototype, "moreButton", void 0); TuiTabsWithMoreComponent = __decorate([ Component({ selector: 'tui-tabs-with-more, nav[tuiTabsWithMore]', template: "<ng-container *ngIf=\"items.changes | async\"></ng-container>\n<div class=\"wrapper\">\n <tui-tabs\n class=\"tabs\"\n [underline]=\"false\"\n [activeItemIndex]=\"activeItemIndex\"\n (activeItemIndexChange)=\"onActiveItemIndexChange($event)\"\n (keydown.arrowRight)=\"onArrowRight($event.target)\"\n >\n <ng-container *ngFor=\"let item of items; let index = index\">\n <ng-container\n *ngIf=\"index <= lastVisibleIndex; else hidden\"\n [ngTemplateOutlet]=\"item\"\n ></ng-container>\n <ng-template #hidden>\n <div\n class=\"overflown\"\n [class.overflown_hidden]=\"index !== activeItemIndex\"\n >\n <ng-container *ngTemplateOutlet=\"item\"></ng-container>\n </div>\n </ng-template>\n </ng-container>\n </tui-tabs>\n <tui-hosted-dropdown\n class=\"more_wrapper\"\n [class.overflown_hidden]=\"!isMoreVisible\"\n [content]=\"dropdown\"\n [(open)]=\"open\"\n >\n <button\n tuiTab\n type=\"button\"\n class=\"more\"\n [class._active]=\"open\"\n [tuiFocusable]=\"isMoreFocusable\"\n (keydown.arrowLeft.prevent)=\"onArrowLeft()\"\n >\n <span polymorpheus-outlet [content]=\"moreContent || more\"></span>\n </button>\n <ng-template #more>\n {{moreWord$ | async}}\n <tui-svg\n src=\"tuiIconChevronDown\"\n class=\"icon\"\n [class.icon_rotated]=\"open\"\n ></tui-svg>\n </ng-template>\n </tui-hosted-dropdown>\n <ng-template #dropdown>\n <div\n #element\n class=\"dropdown\"\n (keydown.arrowUp.prevent)=\"onWrapperArrow($event.target, element, true)\"\n (keydown.arrowDown.prevent)=\"onWrapperArrow($event.target, element, false)\"\n >\n <div\n *ngFor=\"let item of items; let index = index\"\n (tui-tab-activate)=\"onClick(index)\"\n >\n <ng-container\n *ngIf=\"index > lastVisibleIndex && index !== activeItemIndex\"\n [ngTemplateOutlet]=\"item\"\n ></ng-container>\n </div>\n </div>\n </ng-template>\n <tui-underline *ngIf=\"underline\" [element]=\"activeElement\"></tui-underline>\n</div>\n", changeDetection: ChangeDetectionStrategy.OnPush, providers: TABS_PROVIDERS, styles: [":host{font:var(--tui-font-text-m);position:relative;display:flex;height:var(--tui-height-l);box-sizing:border-box;color:var(--tui-text-02);box-shadow:inset 0 -1px var(--tui-base-03);overflow:hidden}.wrapper{position:relative;display:flex}.tabs{height:inherit;font-size:inherit;font-weight:inherit;overflow:visible;box-shadow:none;color:inherit}.overflown{margin-right:24px}.overflown_hidden{margin:0;width:0;max-width:0;overflow:hidden;visibility:hidden}.more_wrapper{height:100%}.icon{transition-property:transform;transition-duration:.3s;transition-timing-function:ease-in-out;margin-right:-4px;vertical-align:bottom}.icon_rotated{transform:rotate(180deg)}.dropdown{padding:8px 0}.dropdown ::ng-deep [tuiTab]{width:100%;height:44px;justify-content:flex-start;margin:0;padding:0 16px;color:var(--tui-text-02)}.dropdown ::ng-deep [tuiTab]:before{display:none}.dropdown ::ng-deep [tuiTab]._active,.dropdown ::ng-deep [tuiTab]:focus,.dropdown ::ng-deep [tuiTab]:hover{box-shadow:none;color:var(--tui-base-08);background:var(--tui-base-02)}"] }), __param(0, Inject(TABS_REFRESH)), __param(1, Inject(ElementRef)), __param(2, Inject(ChangeDetectorRef)), __param(3, Inject(TUI_MORE_WORD)) ], TuiTabsWithMoreComponent); return TuiTabsWithMoreComponent; }()); export { TuiTabsWithMoreComponent }; //# 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{\n    AfterViewInit,\n    ChangeDetectionStrategy,\n    ChangeDetectorRef,\n    Component,\n    ContentChildren,\n    ElementRef,\n    EventEmitter,\n    HostBinding,\n    Inject,\n    Input,\n    Output,\n    QueryList,\n    TemplateRef,\n    ViewChild,\n} from '@angular/core';\nimport {\n    EMPTY_QUERY,\n    getClosestFocusable,\n    isNativeFocused,\n    setNativeFocused,\n    tuiDefaultProp,\n} from '@taiga-ui/cdk';\nimport {TUI_MORE_WORD} from '@taiga-ui/kit/tokens';\nimport {PolymorpheusContent} from '@tinkoff/ng-polymorpheus';\nimport {Observable} from 'rxjs';\nimport {filter, map} from 'rxjs/operators';\nimport {TuiTabDirective} from '../tab.directive';\nimport {TuiTabComponent} from '../tab/tab.component';\nimport {TAB_MARGIN} from '../tabs.const';\nimport {TABS_PROVIDERS, TABS_REFRESH} from './tabs-with-more.providers';\n\n// @dynamic\n@Component({\n    selector: 'tui-tabs-with-more, nav[tuiTabsWithMore]',\n    templateUrl: './tabs-with-more.template.html',\n    styleUrls: ['./tabs-with-more.style.less'],\n    changeDetection: ChangeDetectionStrategy.OnPush,\n    providers: TABS_PROVIDERS,\n})\nexport class TuiTabsWithMoreComponent implements AfterViewInit {\n    @Input()\n    @tuiDefaultProp()\n    moreContent: PolymorpheusContent = '';\n\n    @Input()\n    @HostBinding('class._underline')\n    @tuiDefaultProp()\n    underline = true;\n\n    @Input()\n    @tuiDefaultProp()\n    activeItemIndex = 0;\n\n    @Input()\n    @tuiDefaultProp()\n    itemsLimit = Infinity;\n\n    @Output()\n    readonly activeItemIndexChange = new EventEmitter<number>();\n\n    @ContentChildren(TuiTabDirective, {read: TemplateRef})\n    readonly items: QueryList<TemplateRef<{}>> = EMPTY_QUERY;\n\n    open = false;\n\n    private maxIndex = Infinity;\n\n    @ViewChild(TuiTabComponent, {read: ElementRef})\n    private readonly moreButton?: ElementRef<HTMLButtonElement>;\n\n    constructor(\n        @Inject(TABS_REFRESH) private readonly refresh$: Observable<unknown>,\n        @Inject(ElementRef) private readonly elementRef: ElementRef<HTMLElement>,\n        @Inject(ChangeDetectorRef) private readonly changeDetectorRef: ChangeDetectorRef,\n        @Inject(TUI_MORE_WORD) readonly moreWord$: Observable<string>,\n    ) {}\n\n    get tabs(): ReadonlyArray<HTMLElement> {\n        return Array.from<HTMLElement>(\n            this.elementRef.nativeElement.querySelectorAll('[tuiTab]'),\n        );\n    }\n\n    get activeElement(): HTMLElement | null {\n        return this.tabs[this.activeItemIndex] || null;\n    }\n\n    get isMoreVisible(): boolean {\n        return this.lastVisibleIndex < this.items.length - 1;\n    }\n\n    get isMoreFocusable(): boolean {\n        return !!this.moreButton && isNativeFocused(this.moreButton.nativeElement);\n    }\n\n    get lastVisibleIndex(): number {\n        if (this.itemsLimit + 1 >= this.items.length) {\n            return this.maxIndex;\n        }\n\n        const offset = this.itemsLimit - 1 > this.activeItemIndex ? 1 : 2;\n\n        return Math.min(this.itemsLimit - offset, this.maxIndex);\n    }\n\n    ngAfterViewInit() {\n        this.refresh$\n            .pipe(\n                map(() => this.getMaxIndex()),\n                filter(maxIndex => this.maxIndex !== maxIndex),\n            )\n            .subscribe(maxIndex => {\n                this.maxIndex = maxIndex;\n                this.changeDetectorRef.detectChanges();\n            });\n    }\n\n    onActiveItemIndexChange(activeItemIndex: number) {\n        this.updateActiveItemIndex(activeItemIndex);\n    }\n\n    onClick(index: number) {\n        this.open = false;\n        this.focusMore();\n        this.updateActiveItemIndex(index);\n    }\n\n    onArrowRight(element: HTMLElement) {\n        if (isNativeFocused(element)) {\n            this.focusMore();\n        }\n    }\n\n    onArrowLeft() {\n        const {tabs} = this;\n        let index = tabs.length - 2;\n\n        while (index >= 0) {\n            setNativeFocused(tabs[index]);\n\n            if (isNativeFocused(tabs[index])) {\n                return;\n            }\n\n            index--;\n        }\n    }\n\n    onWrapperArrow(button: HTMLButtonElement, wrapper: HTMLElement, prev: boolean) {\n        const target = getClosestFocusable(button, prev, wrapper);\n\n        if (target) {\n            setNativeFocused(target);\n        }\n    }\n\n    private focusMore() {\n        if (this.moreButton) {\n            setNativeFocused(this.moreButton.nativeElement);\n        }\n    }\n\n    private getMaxIndex(): number {\n        const {tabs, activeItemIndex} = this;\n\n        if (tabs.length < 2) {\n            return 0;\n        }\n\n        const {clientWidth} = this.elementRef.nativeElement;\n        const activeWidth = tabs[activeItemIndex] ? tabs[activeItemIndex].scrollWidth : 0;\n        const moreWidth = tabs[tabs.length - 1].scrollWidth;\n        let maxIndex = tabs.length - 2;\n        let total =\n            tabs.reduce((acc, tab) => acc + tab.scrollWidth, 0) +\n            maxIndex * TAB_MARGIN -\n            moreWidth;\n\n        if (total <= clientWidth) {\n            return Infinity;\n        }\n\n        while (maxIndex) {\n            total -= tabs[maxIndex].scrollWidth + TAB_MARGIN;\n            maxIndex--;\n\n            const activeOffset =\n                activeItemIndex > maxIndex ? activeWidth + TAB_MARGIN : 0;\n\n            if (total + activeOffset + moreWidth + TAB_MARGIN < clientWidth) {\n                return maxIndex;\n            }\n        }\n\n        return 0;\n    }\n\n    private updateActiveItemIndex(activeItemIndex: number) {\n        if (this.activeItemIndex === activeItemIndex) {\n            return;\n        }\n\n        this.activeItemIndex = activeItemIndex;\n        this.activeItemIndexChange.emit(activeItemIndex);\n        this.maxIndex = this.getMaxIndex();\n    }\n}\n"]}