@taiga-ui/kit
Version:
Taiga UI Angular main components kit
169 lines • 24.6 kB
JavaScript
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
let TuiTabsWithMoreComponent = class TuiTabsWithMoreComponent {
constructor(refresh$, elementRef, changeDetectorRef, moreWord$) {
this.refresh$ = refresh$;
this.elementRef = elementRef;
this.changeDetectorRef = changeDetectorRef;
this.moreWord$ = moreWord$;
this.moreContent = '';
this.underline = true;
this.activeItemIndex = 0;
this.itemsLimit = Infinity;
this.activeItemIndexChange = new EventEmitter();
this.items = EMPTY_QUERY;
this.open = false;
this.maxIndex = Infinity;
}
get tabs() {
return Array.from(this.elementRef.nativeElement.querySelectorAll('[tuiTab]'));
}
get activeElement() {
return this.tabs[this.activeItemIndex] || null;
}
get isMoreVisible() {
return this.lastVisibleIndex < this.items.length - 1;
}
get isMoreFocusable() {
return !!this.moreButton && isNativeFocused(this.moreButton.nativeElement);
}
get lastVisibleIndex() {
if (this.itemsLimit + 1 >= this.items.length) {
return this.maxIndex;
}
const offset = this.itemsLimit - 1 > this.activeItemIndex ? 1 : 2;
return Math.min(this.itemsLimit - offset, this.maxIndex);
}
ngAfterViewInit() {
this.refresh$
.pipe(map(() => this.getMaxIndex()), filter(maxIndex => this.maxIndex !== maxIndex))
.subscribe(maxIndex => {
this.maxIndex = maxIndex;
this.changeDetectorRef.detectChanges();
});
}
onActiveItemIndexChange(activeItemIndex) {
this.updateActiveItemIndex(activeItemIndex);
}
onClick(index) {
this.open = false;
this.focusMore();
this.updateActiveItemIndex(index);
}
onArrowRight(element) {
if (isNativeFocused(element)) {
this.focusMore();
}
}
onArrowLeft() {
const { tabs } = this;
let index = tabs.length - 2;
while (index >= 0) {
setNativeFocused(tabs[index]);
if (isNativeFocused(tabs[index])) {
return;
}
index--;
}
}
onWrapperArrow(button, wrapper, prev) {
const target = getClosestFocusable(button, prev, wrapper);
if (target) {
setNativeFocused(target);
}
}
focusMore() {
if (this.moreButton) {
setNativeFocused(this.moreButton.nativeElement);
}
}
getMaxIndex() {
const { tabs, activeItemIndex } = this;
if (tabs.length < 2) {
return 0;
}
const { clientWidth } = this.elementRef.nativeElement;
const activeWidth = tabs[activeItemIndex] ? tabs[activeItemIndex].scrollWidth : 0;
const moreWidth = tabs[tabs.length - 1].scrollWidth;
let maxIndex = tabs.length - 2;
let total = tabs.reduce((acc, tab) => acc + tab.scrollWidth, 0) +
maxIndex * TAB_MARGIN -
moreWidth;
if (total <= clientWidth) {
return Infinity;
}
while (maxIndex) {
total -= tabs[maxIndex].scrollWidth + TAB_MARGIN;
maxIndex--;
const activeOffset = activeItemIndex > maxIndex ? activeWidth + TAB_MARGIN : 0;
if (total + activeOffset + moreWidth + TAB_MARGIN < clientWidth) {
return maxIndex;
}
}
return 0;
}
updateActiveItemIndex(activeItemIndex) {
if (this.activeItemIndex === activeItemIndex) {
return;
}
this.activeItemIndex = activeItemIndex;
this.activeItemIndexChange.emit(activeItemIndex);
this.maxIndex = this.getMaxIndex();
}
};
TuiTabsWithMoreComponent.ctorParameters = () => [
{ 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);
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"]}