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@clr/angular

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Angular components for Clarity

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/* * Copyright (c) 2016-2023 VMware, Inc. All Rights Reserved. * This software is released under MIT license. * The full license information can be found in LICENSE in the root directory of this project. */ import { Component, ContentChildren, ElementRef, HostBinding, Inject, Input, ViewChild, ViewContainerRef, } from '@angular/core'; import { startWith } from 'rxjs/operators'; import { IfActiveService } from '../../utils/conditional/if-active.service'; import { ClrKeyFocus } from '../../utils/focus/key-focus/key-focus'; import { ClrPopoverHostDirective } from '../../utils/popover/popover-host.directive'; import { TabsLayout } from './enums/tabs-layout.enum'; import { TabsService } from './providers/tabs.service'; import { ClrTab } from './tab'; import { ClrTabOverflowContent } from './tab-overflow-content'; import { TABS_ID, TABS_ID_PROVIDER } from './tabs-id.provider'; import * as i0 from "@angular/core"; import * as i1 from "../../utils/conditional/if-active.service"; import * as i2 from "../../utils/popover/providers/popover-toggle.service"; import * as i3 from "./providers/tabs.service"; import * as i4 from "../../utils/i18n/common-strings.service"; import * as i5 from "../../utils/popover/popover-host.directive"; import * as i6 from "@angular/common"; import * as i7 from "../../icon/icon"; import * as i8 from "../../utils/focus/key-focus/key-focus"; import * as i9 from "./tab-overflow-content"; export class ClrTabs { constructor(ifActiveService, toggleService, tabsService, tabsId, commonStrings) { this.ifActiveService = ifActiveService; this.toggleService = toggleService; this.tabsService = tabsService; this.tabsId = tabsId; this.commonStrings = commonStrings; this.tabLinkElements = []; // in order to check focus is triggered by click // we are using this _mousedown flag this._mousedown = false; this.subscriptions = []; this._tabLinkDirectives = []; } get layout() { return this.tabsService.layout; } set layout(layout) { if (Object.keys(TabsLayout) .map(key => { return TabsLayout[key]; }) .indexOf(layout) >= 0) { this.tabsService.layout = layout; } } get tabLinkDirectives() { return this._tabLinkDirectives; } get activeTabInOverflow() { return this.tabsService.overflowTabs.indexOf(this.tabsService.activeTab) > -1; } get activeTabPosition() { return this._tabLinkDirectives.findIndex(link => link.active); } get isCurrentInOverflow() { return this.keyFocus.current >= this.overflowPosition; } get isVertical() { return this.layout === TabsLayout.VERTICAL; } set tabOverflowEl(value) { this._tabOverflowEl = value && value.nativeElement; if (this.toggleService.open && value) { // only when tab overflow view element is registered, // we need to move the focus to the first item this.keyFocus.focusCurrent(); } } get overflowPosition() { return this._tabLinkDirectives.filter(link => !link.inOverflow).length; } set tabContentViewContainer(value) { this.tabsService.tabContentViewContainer = value; } ngAfterContentInit() { this.subscriptions.push(this.listenForTabLinkChanges()); if (typeof this.ifActiveService.current === 'undefined' && this.tabLinkDirectives[0]) { this.tabLinkDirectives[0].activate(); } // set initial current position this.keyFocus.current = this.activeTabPosition; } ngOnDestroy() { this.subscriptions.forEach(sub => { sub.unsubscribe(); }); } toggleOverflowOnPosition(position) { // we need to check current position to determine // whether we need to open the tab overflow or not this.toggleService.open = position >= this.overflowPosition; } resetKeyFocusCurrentToActive(event) { const keyFocusContainsFocus = this.keyFocus.nativeElement.contains(event.relatedTarget); if (!keyFocusContainsFocus && this.keyFocus.current !== this.activeTabPosition) { this.keyFocus.current = this.activeTabPosition; } } toggleOverflowOnClick() { if (this.isCurrentInOverflow && this.toggleService.open) { this.keyFocus.moveTo(this.overflowPosition - 1); } else { this.keyFocus.moveTo(this.overflowPosition); } // once click handler completes running, // reset the _mousedown flag this._mousedown = false; } openOverflowOnFocus() { // This method should be called only on keyboard generated focus // when the active tab is in the overflow if (!this._mousedown && !this.toggleService.open) { this.keyFocus.moveTo(this.activeTabPosition); } } closeOnFocusOut(event) { if (!this._tabOverflowEl.contains(event.relatedTarget) && this.toggleService.open && !this._mousedown) { this.toggleService.open = false; // if the focus is out of overflow and lands on the active tab link // which is currently visible, set the key focus current to activeTabPosition if (this.tabLinkElements[this.activeTabPosition] === event.relatedTarget) { this.keyFocus.current = this.activeTabPosition; } } } closeOnEscapeKey() { // Move current to the last visible focusable item this.keyFocus.moveTo(this.overflowPosition - 1); } closeOnOutsideClick(event, tabOverflowTrigger) { // Exit early if the event target is the trigger element itself or element that's inside the trigger element. // This is because we have another handler on the tabOverflowTrigger element itself. // As this handler method is on the document level so the event bubbles up to it and conflicts // with the tabOverflowTrigger handler resulting in opening the tab overflow and closing it right away consecutively. if (event.target === tabOverflowTrigger || tabOverflowTrigger.contains(event.target)) { return; } // Move current to the last visible focusable item if (!this._tabOverflowEl.contains(event.target) && this.isCurrentInOverflow) { this.keyFocus.moveTo(this.overflowPosition - 1); } } listenForTabLinkChanges() { return this.tabs.changes.pipe(startWith(this.tabs.map(tab => tab.tabLink))).subscribe(() => { this._tabLinkDirectives = this.tabs.map(tab => tab.tabLink); this.tabLinkElements = this._tabLinkDirectives.map(tab => tab.el.nativeElement); }); } } ClrTabs.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.2.2", ngImport: i0, type: ClrTabs, deps: [{ token: i1.IfActiveService }, { token: i2.ClrPopoverToggleService }, { token: i3.TabsService }, { token: TABS_ID }, { token: i4.ClrCommonStringsService }], target: i0.ɵɵFactoryTarget.Component }); ClrTabs.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "15.2.2", type: ClrTabs, selector: "clr-tabs", inputs: { layout: ["clrLayout", "layout"] }, host: { properties: { "class.tabs-vertical": "this.isVertical" } }, providers: [IfActiveService, TabsService, TABS_ID_PROVIDER], queries: [{ propertyName: "tabs", predicate: ClrTab }], viewQueries: [{ propertyName: "keyFocus", first: true, predicate: ClrKeyFocus, descendants: true, static: true }, { propertyName: "tabOverflowEl", first: true, predicate: ClrTabOverflowContent, descendants: true, read: ElementRef }, { propertyName: "tabContentViewContainer", first: true, predicate: ["tabContentViewContainer"], descendants: true, read: ViewContainerRef, static: true }], hostDirectives: [{ directive: i5.ClrPopoverHostDirective }], ngImport: i0, template: ` <ul class="nav" role="tablist" [clrKeyFocus]="tabLinkElements" clrDirection="both" (clrFocusChange)="toggleOverflowOnPosition($event)" (focusout)="resetKeyFocusCurrentToActive($event)" > <!--tab links--> <ng-container *ngFor="let link of tabLinkDirectives"> <ng-container *ngIf="link.tabsId === tabsId && !link.inOverflow"> <li role="presentation" class="nav-item"> <ng-container [ngTemplateOutlet]="link.templateRefContainer.template"></ng-container> </li> </ng-container> </ng-container> <ng-container *ngIf="tabsService.overflowTabs.length > 0"> <div class="tabs-overflow bottom-right" role="presentation" [class.open]="toggleService.open"> <li role="application" class="nav-item"> <button #tabOverflowTrigger class="btn btn-link nav-link dropdown-toggle" type="button" aria-hidden="true" [attr.tabindex]="activeTabInOverflow && !toggleService.open ? 0 : -1" [class.active]="activeTabInOverflow" [class.open]="toggleService.open" (mousedown)="_mousedown = true" (focus)="openOverflowOnFocus()" (click)="toggleOverflowOnClick()" [attr.title]="commonStrings.keys.more" > <cds-icon shape="ellipsis-horizontal" [attr.status]="toggleService.open ? 'info' : null" [attr.title]="commonStrings.keys.more" ></cds-icon> </button> </li> <!--tab links in overflow menu--> <clr-tab-overflow-content *ngIf="toggleService.open" (document:keydown.escape)="closeOnEscapeKey()" (document:click)="closeOnOutsideClick($event, tabOverflowTrigger)" (focusout)="closeOnFocusOut($event)" > <ng-container *ngFor="let link of tabLinkDirectives"> <ng-container *ngIf="link.tabsId === tabsId && link.inOverflow" [ngTemplateOutlet]="link.templateRefContainer.template" ></ng-container> </ng-container> </clr-tab-overflow-content> </div> </ng-container> </ul> <ng-container #tabContentViewContainer></ng-container> `, isInline: true, dependencies: [{ kind: "directive", type: i6.NgForOf, selector: "[ngFor][ngForOf]", inputs: ["ngForOf", "ngForTrackBy", "ngForTemplate"] }, { kind: "directive", type: i6.NgIf, selector: "[ngIf]", inputs: ["ngIf", "ngIfThen", "ngIfElse"] }, { kind: "directive", type: i6.NgTemplateOutlet, selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet", "ngTemplateOutletInjector"] }, { kind: "directive", type: i7.CdsIconCustomTag, selector: "cds-icon" }, { kind: "component", type: i8.ClrKeyFocus, selector: "[clrKeyFocus]", inputs: ["clrDirection", "clrFocusOnLoad", "clrKeyFocus"], outputs: ["clrFocusChange"] }, { kind: "component", type: i9.ClrTabOverflowContent, selector: "clr-tab-overflow-content" }] }); i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.2.2", ngImport: i0, type: ClrTabs, decorators: [{ type: Component, args: [{ selector: 'clr-tabs', template: ` <ul class="nav" role="tablist" [clrKeyFocus]="tabLinkElements" clrDirection="both" (clrFocusChange)="toggleOverflowOnPosition($event)" (focusout)="resetKeyFocusCurrentToActive($event)" > <!--tab links--> <ng-container *ngFor="let link of tabLinkDirectives"> <ng-container *ngIf="link.tabsId === tabsId && !link.inOverflow"> <li role="presentation" class="nav-item"> <ng-container [ngTemplateOutlet]="link.templateRefContainer.template"></ng-container> </li> </ng-container> </ng-container> <ng-container *ngIf="tabsService.overflowTabs.length > 0"> <div class="tabs-overflow bottom-right" role="presentation" [class.open]="toggleService.open"> <li role="application" class="nav-item"> <button #tabOverflowTrigger class="btn btn-link nav-link dropdown-toggle" type="button" aria-hidden="true" [attr.tabindex]="activeTabInOverflow && !toggleService.open ? 0 : -1" [class.active]="activeTabInOverflow" [class.open]="toggleService.open" (mousedown)="_mousedown = true" (focus)="openOverflowOnFocus()" (click)="toggleOverflowOnClick()" [attr.title]="commonStrings.keys.more" > <cds-icon shape="ellipsis-horizontal" [attr.status]="toggleService.open ? 'info' : null" [attr.title]="commonStrings.keys.more" ></cds-icon> </button> </li> <!--tab links in overflow menu--> <clr-tab-overflow-content *ngIf="toggleService.open" (document:keydown.escape)="closeOnEscapeKey()" (document:click)="closeOnOutsideClick($event, tabOverflowTrigger)" (focusout)="closeOnFocusOut($event)" > <ng-container *ngFor="let link of tabLinkDirectives"> <ng-container *ngIf="link.tabsId === tabsId && link.inOverflow" [ngTemplateOutlet]="link.templateRefContainer.template" ></ng-container> </ng-container> </clr-tab-overflow-content> </div> </ng-container> </ul> <ng-container #tabContentViewContainer></ng-container> `, providers: [IfActiveService, TabsService, TABS_ID_PROVIDER], hostDirectives: [ClrPopoverHostDirective], }] }], ctorParameters: function () { return [{ type: i1.IfActiveService }, { type: i2.ClrPopoverToggleService }, { type: i3.TabsService }, { type: undefined, decorators: [{ type: Inject, args: [TABS_ID] }] }, { type: i4.ClrCommonStringsService }]; }, propDecorators: { keyFocus: [{ type: ViewChild, args: [ClrKeyFocus, { static: true }] }], tabs: [{ type: ContentChildren, args: [ClrTab] }], layout: [{ type: Input, args: ['clrLayout'] }], isVertical: [{ type: HostBinding, args: ['class.tabs-vertical'] }], tabOverflowEl: [{ type: ViewChild, args: [ClrTabOverflowContent, { read: ElementRef }] }], tabContentViewContainer: [{ type: ViewChild, args: ['tabContentViewContainer', { static: true, read: ViewContainerRef }] }] } }); //# 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* Copyright (c) 2016-2023 VMware, Inc. All Rights Reserved.\n * This software is released under MIT license.\n * The full license information can be found in LICENSE in the root directory of this project.\n */\n\nimport {\n  AfterContentInit,\n  Component,\n  ContentChildren,\n  ElementRef,\n  HostBinding,\n  Inject,\n  Input,\n  OnDestroy,\n  QueryList,\n  ViewChild,\n  ViewContainerRef,\n} from '@angular/core';\nimport { Subscription } from 'rxjs';\nimport { startWith } from 'rxjs/operators';\n\nimport { IfActiveService } from '../../utils/conditional/if-active.service';\nimport { ClrKeyFocus } from '../../utils/focus/key-focus/key-focus';\nimport { ClrCommonStringsService } from '../../utils/i18n/common-strings.service';\nimport { ClrPopoverHostDirective } from '../../utils/popover/popover-host.directive';\nimport { ClrPopoverToggleService } from '../../utils/popover/providers/popover-toggle.service';\nimport { TabsLayout } from './enums/tabs-layout.enum';\nimport { TabsService } from './providers/tabs.service';\nimport { ClrTab } from './tab';\nimport { ClrTabLink } from './tab-link.directive';\nimport { ClrTabOverflowContent } from './tab-overflow-content';\nimport { TABS_ID, TABS_ID_PROVIDER } from './tabs-id.provider';\n\n@Component({\n  selector: 'clr-tabs',\n  template: `\n    <ul\n      class=\"nav\"\n      role=\"tablist\"\n      [clrKeyFocus]=\"tabLinkElements\"\n      clrDirection=\"both\"\n      (clrFocusChange)=\"toggleOverflowOnPosition($event)\"\n      (focusout)=\"resetKeyFocusCurrentToActive($event)\"\n    >\n      <!--tab links-->\n      <ng-container *ngFor=\"let link of tabLinkDirectives\">\n        <ng-container *ngIf=\"link.tabsId === tabsId && !link.inOverflow\">\n          <li role=\"presentation\" class=\"nav-item\">\n            <ng-container [ngTemplateOutlet]=\"link.templateRefContainer.template\"></ng-container>\n          </li>\n        </ng-container>\n      </ng-container>\n      <ng-container *ngIf=\"tabsService.overflowTabs.length > 0\">\n        <div class=\"tabs-overflow bottom-right\" role=\"presentation\" [class.open]=\"toggleService.open\">\n          <li role=\"application\" class=\"nav-item\">\n            <button\n              #tabOverflowTrigger\n              class=\"btn btn-link nav-link dropdown-toggle\"\n              type=\"button\"\n              aria-hidden=\"true\"\n              [attr.tabindex]=\"activeTabInOverflow && !toggleService.open ? 0 : -1\"\n              [class.active]=\"activeTabInOverflow\"\n              [class.open]=\"toggleService.open\"\n              (mousedown)=\"_mousedown = true\"\n              (focus)=\"openOverflowOnFocus()\"\n              (click)=\"toggleOverflowOnClick()\"\n              [attr.title]=\"commonStrings.keys.more\"\n            >\n              <cds-icon\n                shape=\"ellipsis-horizontal\"\n                [attr.status]=\"toggleService.open ? 'info' : null\"\n                [attr.title]=\"commonStrings.keys.more\"\n              ></cds-icon>\n            </button>\n          </li>\n          <!--tab links in overflow menu-->\n          <clr-tab-overflow-content\n            *ngIf=\"toggleService.open\"\n            (document:keydown.escape)=\"closeOnEscapeKey()\"\n            (document:click)=\"closeOnOutsideClick($event, tabOverflowTrigger)\"\n            (focusout)=\"closeOnFocusOut($event)\"\n          >\n            <ng-container *ngFor=\"let link of tabLinkDirectives\">\n              <ng-container\n                *ngIf=\"link.tabsId === tabsId && link.inOverflow\"\n                [ngTemplateOutlet]=\"link.templateRefContainer.template\"\n              ></ng-container>\n            </ng-container>\n          </clr-tab-overflow-content>\n        </div>\n      </ng-container>\n    </ul>\n    <ng-container #tabContentViewContainer></ng-container>\n  `,\n  providers: [IfActiveService, TabsService, TABS_ID_PROVIDER],\n  hostDirectives: [ClrPopoverHostDirective],\n})\nexport class ClrTabs implements AfterContentInit, OnDestroy {\n  tabLinkElements: HTMLElement[] = [];\n\n  // in order to check focus is triggered by click\n  // we are using this _mousedown flag\n  _mousedown = false;\n\n  @ViewChild(ClrKeyFocus, { static: true }) keyFocus: ClrKeyFocus;\n\n  @ContentChildren(ClrTab) private tabs: QueryList<ClrTab>;\n\n  private subscriptions: Subscription[] = [];\n  private _tabOverflowEl: HTMLElement;\n  private _tabLinkDirectives: ClrTabLink[] = [];\n\n  constructor(\n    public ifActiveService: IfActiveService,\n    public toggleService: ClrPopoverToggleService,\n    public tabsService: TabsService,\n    @Inject(TABS_ID) public tabsId: number,\n    public commonStrings: ClrCommonStringsService\n  ) {}\n\n  @Input('clrLayout')\n  get layout(): TabsLayout | string {\n    return this.tabsService.layout;\n  }\n  set layout(layout: TabsLayout | string) {\n    if (\n      Object.keys(TabsLayout)\n        .map(key => {\n          return (TabsLayout as Record<string, any>)[key];\n        })\n        .indexOf(layout) >= 0\n    ) {\n      this.tabsService.layout = layout;\n    }\n  }\n\n  get tabLinkDirectives(): ClrTabLink[] {\n    return this._tabLinkDirectives;\n  }\n\n  get activeTabInOverflow() {\n    return this.tabsService.overflowTabs.indexOf(this.tabsService.activeTab) > -1;\n  }\n\n  get activeTabPosition() {\n    return this._tabLinkDirectives.findIndex(link => link.active);\n  }\n\n  get isCurrentInOverflow() {\n    return this.keyFocus.current >= this.overflowPosition;\n  }\n\n  @HostBinding('class.tabs-vertical')\n  get isVertical() {\n    return this.layout === TabsLayout.VERTICAL;\n  }\n\n  @ViewChild(ClrTabOverflowContent, { read: ElementRef })\n  set tabOverflowEl(value: ElementRef) {\n    this._tabOverflowEl = value && value.nativeElement;\n    if (this.toggleService.open && value) {\n      // only when tab overflow view element is registered,\n      // we need to move the focus to the first item\n      this.keyFocus.focusCurrent();\n    }\n  }\n\n  private get overflowPosition() {\n    return this._tabLinkDirectives.filter(link => !link.inOverflow).length;\n  }\n\n  @ViewChild('tabContentViewContainer', { static: true, read: ViewContainerRef })\n  private set tabContentViewContainer(value: ViewContainerRef) {\n    this.tabsService.tabContentViewContainer = value;\n  }\n\n  ngAfterContentInit() {\n    this.subscriptions.push(this.listenForTabLinkChanges());\n\n    if (typeof this.ifActiveService.current === 'undefined' && this.tabLinkDirectives[0]) {\n      this.tabLinkDirectives[0].activate();\n    }\n\n    // set initial current position\n    this.keyFocus.current = this.activeTabPosition;\n  }\n\n  ngOnDestroy() {\n    this.subscriptions.forEach(sub => {\n      sub.unsubscribe();\n    });\n  }\n\n  toggleOverflowOnPosition(position: number) {\n    // we need to check current position to determine\n    // whether we need to open the tab overflow or not\n    this.toggleService.open = position >= this.overflowPosition;\n  }\n\n  resetKeyFocusCurrentToActive(event: FocusEvent) {\n    const keyFocusContainsFocus = this.keyFocus.nativeElement.contains(event.relatedTarget as HTMLElement);\n    if (!keyFocusContainsFocus && this.keyFocus.current !== this.activeTabPosition) {\n      this.keyFocus.current = this.activeTabPosition;\n    }\n  }\n\n  toggleOverflowOnClick() {\n    if (this.isCurrentInOverflow && this.toggleService.open) {\n      this.keyFocus.moveTo(this.overflowPosition - 1);\n    } else {\n      this.keyFocus.moveTo(this.overflowPosition);\n    }\n\n    // once click handler completes running,\n    // reset the _mousedown flag\n    this._mousedown = false;\n  }\n\n  openOverflowOnFocus() {\n    // This method should be called only on keyboard generated focus\n    // when the active tab is in the overflow\n    if (!this._mousedown && !this.toggleService.open) {\n      this.keyFocus.moveTo(this.activeTabPosition);\n    }\n  }\n\n  closeOnFocusOut(event: FocusEvent) {\n    if (\n      !this._tabOverflowEl.contains(event.relatedTarget as HTMLElement) &&\n      this.toggleService.open &&\n      !this._mousedown\n    ) {\n      this.toggleService.open = false;\n\n      // if the focus is out of overflow and lands on the active tab link\n      // which is currently visible, set the key focus current to activeTabPosition\n      if (this.tabLinkElements[this.activeTabPosition] === event.relatedTarget) {\n        this.keyFocus.current = this.activeTabPosition;\n      }\n    }\n  }\n\n  closeOnEscapeKey() {\n    // Move current to the last visible focusable item\n    this.keyFocus.moveTo(this.overflowPosition - 1);\n  }\n\n  closeOnOutsideClick(event: Event, tabOverflowTrigger: HTMLElement) {\n    // Exit early if the event target is the trigger element itself or element that's inside the trigger element.\n    // This is because we have another handler on the tabOverflowTrigger element itself.\n    // As this handler method is on the document level so the event bubbles up to it and conflicts\n    // with the tabOverflowTrigger handler resulting in opening the tab overflow and closing it right away consecutively.\n    if (event.target === tabOverflowTrigger || tabOverflowTrigger.contains(event.target as HTMLElement)) {\n      return;\n    }\n\n    // Move current to the last visible focusable item\n    if (!this._tabOverflowEl.contains(event.target as HTMLElement) && this.isCurrentInOverflow) {\n      this.keyFocus.moveTo(this.overflowPosition - 1);\n    }\n  }\n\n  private listenForTabLinkChanges() {\n    return this.tabs.changes.pipe(startWith(this.tabs.map(tab => tab.tabLink))).subscribe(() => {\n      this._tabLinkDirectives = this.tabs.map(tab => tab.tabLink);\n      this.tabLinkElements = this._tabLinkDirectives.map(tab => tab.el.nativeElement);\n    });\n  }\n}\n"]}