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@ng-bootstrap/ng-bootstrap

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import { ChangeDetectionStrategy, ChangeDetectorRef, Component, Directive, ElementRef, inject, Input, NgZone, ViewChildren, ViewEncapsulation, } from '@angular/core'; import { distinctUntilChanged, skip, startWith } from 'rxjs/operators'; import { takeUntilDestroyed } from '@angular/core/rxjs-interop'; import { ngbNavFadeInTransition, ngbNavFadeOutTransition } from './nav-transition'; import { ngbRunTransition } from '../util/transition/ngbTransition'; import { NgTemplateOutlet } from '@angular/common'; import * as i0 from "@angular/core"; export class NgbNavPane { constructor() { this.nativeElement = inject(ElementRef).nativeElement; } static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "17.0.0", ngImport: i0, type: NgbNavPane, deps: [], target: i0.ɵɵFactoryTarget.Directive }); } static { this.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "17.0.0", type: NgbNavPane, isStandalone: true, selector: "[ngbNavPane]", inputs: { item: "item", nav: "nav", role: "role" }, host: { properties: { "id": "item.panelDomId", "class.fade": "nav.animation", "attr.role": "role ? role : nav.roles ? \"tabpanel\" : undefined", "attr.aria-labelledby": "item.domId" }, classAttribute: "tab-pane" }, ngImport: i0 }); } } i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "17.0.0", ngImport: i0, type: NgbNavPane, decorators: [{ type: Directive, args: [{ selector: '[ngbNavPane]', standalone: true, host: { '[id]': 'item.panelDomId', class: 'tab-pane', '[class.fade]': 'nav.animation', '[attr.role]': 'role ? role : nav.roles ? "tabpanel" : undefined', '[attr.aria-labelledby]': 'item.domId', }, }] }], propDecorators: { item: [{ type: Input }], nav: [{ type: Input }], role: [{ type: Input }] } }); /** * The outlet where currently active nav content will be displayed. * * @since 5.2.0 */ export class NgbNavOutlet { constructor() { this._cd = inject(ChangeDetectorRef); this._ngZone = inject(NgZone); this._activePane = null; } isPanelTransitioning(item) { return this._activePane?.item === item; } ngAfterViewInit() { // initial display this._updateActivePane(); // this will be emitted for all 3 types of nav changes: .select(), [activeId] or (click) this.nav.navItemChange$ .pipe(takeUntilDestroyed(this.nav.destroyRef), startWith(this._activePane?.item || null), distinctUntilChanged(), skip(1)) .subscribe((nextItem) => { const options = { animation: this.nav.animation, runningTransition: 'stop' }; // next panel we're switching to will only appear in DOM after the change detection is done // and `this._panes` will be updated this._cd.detectChanges(); // fading out if (this._activePane) { ngbRunTransition(this._ngZone, this._activePane.nativeElement, ngbNavFadeOutTransition, options).subscribe(() => { const activeItem = this._activePane?.item; this._activePane = this._getPaneForItem(nextItem); // mark for check when transition finishes as outlet or parent containers might be OnPush // without this the panes that have "faded out" will stay in DOM this._cd.markForCheck(); // fading in if (this._activePane) { // we have to add the '.active' class before running the transition, // because it should be in place before `ngbRunTransition` does `reflow()` this._activePane.nativeElement.classList.add('active'); ngbRunTransition(this._ngZone, this._activePane.nativeElement, ngbNavFadeInTransition, options).subscribe(() => { if (nextItem) { nextItem.shown.emit(); this.nav.shown.emit(nextItem.id); } }); } if (activeItem) { activeItem.hidden.emit(); this.nav.hidden.emit(activeItem.id); } }); } else { this._updateActivePane(); } }); } _updateActivePane() { this._activePane = this._getActivePane(); this._activePane?.nativeElement.classList.add('show'); this._activePane?.nativeElement.classList.add('active'); } _getPaneForItem(item) { return (this._panes && this._panes.find((pane) => pane.item === item)) || null; } _getActivePane() { return (this._panes && this._panes.find((pane) => pane.item.active)) || null; } static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "17.0.0", ngImport: i0, type: NgbNavOutlet, deps: [], target: i0.ɵɵFactoryTarget.Component }); } static { this.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "17.0.0", version: "17.0.0", type: NgbNavOutlet, isStandalone: true, selector: "[ngbNavOutlet]", inputs: { paneRole: "paneRole", nav: ["ngbNavOutlet", "nav"] }, host: { properties: { "class.tab-content": "true" } }, viewQueries: [{ propertyName: "_panes", predicate: NgbNavPane, descendants: true }], ngImport: i0, template: ` @for (item of nav.items; track item) { @if (item.isPanelInDom() || isPanelTransitioning(item)) { <div ngbNavPane [item]="item" [nav]="nav" [role]="paneRole"> <ng-template [ngTemplateOutlet]="item.contentTpl?.templateRef || null" [ngTemplateOutletContext]="{ $implicit: item.active || isPanelTransitioning(item) }" /> </div> } } `, isInline: true, dependencies: [{ kind: "directive", type: NgbNavPane, selector: "[ngbNavPane]", inputs: ["item", "nav", "role"] }, { kind: "directive", type: NgTemplateOutlet, selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet", "ngTemplateOutletInjector"] }], changeDetection: i0.ChangeDetectionStrategy.OnPush, encapsulation: i0.ViewEncapsulation.None }); } } i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "17.0.0", ngImport: i0, type: NgbNavOutlet, decorators: [{ type: Component, args: [{ selector: '[ngbNavOutlet]', standalone: true, imports: [NgbNavPane, NgTemplateOutlet], host: { '[class.tab-content]': 'true', }, encapsulation: ViewEncapsulation.None, changeDetection: ChangeDetectionStrategy.OnPush, template: ` @for (item of nav.items; track item) { @if (item.isPanelInDom() || isPanelTransitioning(item)) { <div ngbNavPane [item]="item" [nav]="nav" [role]="paneRole"> <ng-template [ngTemplateOutlet]="item.contentTpl?.templateRef || null" [ngTemplateOutletContext]="{ $implicit: item.active || isPanelTransitioning(item) }" /> </div> } } `, }] }], propDecorators: { _panes: [{ type: ViewChildren, args: [NgbNavPane] }], paneRole: [{ type: Input }], nav: [{ type: Input, args: ['ngbNavOutlet'] }] } }); //# 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{\n\tAfterViewInit,\n\tChangeDetectionStrategy,\n\tChangeDetectorRef,\n\tComponent,\n\tDirective,\n\tElementRef,\n\tinject,\n\tInput,\n\tNgZone,\n\tQueryList,\n\tViewChildren,\n\tViewEncapsulation,\n} from '@angular/core';\nimport { distinctUntilChanged, skip, startWith } from 'rxjs/operators';\nimport { takeUntilDestroyed } from '@angular/core/rxjs-interop';\n\nimport { ngbNavFadeInTransition, ngbNavFadeOutTransition } from './nav-transition';\nimport { ngbRunTransition, NgbTransitionOptions } from '../util/transition/ngbTransition';\nimport { NgbNav, NgbNavItem } from './nav';\nimport { NgTemplateOutlet } from '@angular/common';\n\n@Directive({\n\tselector: '[ngbNavPane]',\n\tstandalone: true,\n\thost: {\n\t\t'[id]': 'item.panelDomId',\n\t\tclass: 'tab-pane',\n\t\t'[class.fade]': 'nav.animation',\n\t\t'[attr.role]': 'role ? role : nav.roles ? \"tabpanel\" : undefined',\n\t\t'[attr.aria-labelledby]': 'item.domId',\n\t},\n})\nexport class NgbNavPane {\n\tnativeElement = inject(ElementRef).nativeElement as HTMLElement;\n\n\t@Input() item: NgbNavItem;\n\t@Input() nav: NgbNav;\n\t@Input() role: string;\n}\n\n/**\n * The outlet where currently active nav content will be displayed.\n *\n * @since 5.2.0\n */\n@Component({\n\tselector: '[ngbNavOutlet]',\n\tstandalone: true,\n\timports: [NgbNavPane, NgTemplateOutlet],\n\thost: {\n\t\t'[class.tab-content]': 'true',\n\t},\n\tencapsulation: ViewEncapsulation.None,\n\tchangeDetection: ChangeDetectionStrategy.OnPush,\n\ttemplate: `\n\t\t@for (item of nav.items; track item) {\n\t\t\t@if (item.isPanelInDom() || isPanelTransitioning(item)) {\n\t\t\t\t<div ngbNavPane [item]=\"item\" [nav]=\"nav\" [role]=\"paneRole\">\n\t\t\t\t\t<ng-template\n\t\t\t\t\t\t[ngTemplateOutlet]=\"item.contentTpl?.templateRef || null\"\n\t\t\t\t\t\t[ngTemplateOutletContext]=\"{ $implicit: item.active || isPanelTransitioning(item) }\"\n\t\t\t\t\t/>\n\t\t\t\t</div>\n\t\t\t}\n\t\t}\n\t`,\n})\nexport class NgbNavOutlet implements AfterViewInit {\n\tprivate _cd = inject(ChangeDetectorRef);\n\tprivate _ngZone = inject(NgZone);\n\n\tprivate _activePane: NgbNavPane | null = null;\n\n\t@ViewChildren(NgbNavPane) private _panes: QueryList<NgbNavPane>;\n\n\t/**\n\t * A role to set on the nav pane\n\t */\n\t@Input() paneRole;\n\n\t/**\n\t * Reference to the `NgbNav`\n\t */\n\t@Input('ngbNavOutlet') nav: NgbNav;\n\n\tisPanelTransitioning(item: NgbNavItem) {\n\t\treturn this._activePane?.item === item;\n\t}\n\n\tngAfterViewInit() {\n\t\t// initial display\n\t\tthis._updateActivePane();\n\n\t\t// this will be emitted for all 3 types of nav changes: .select(), [activeId] or (click)\n\t\tthis.nav.navItemChange$\n\t\t\t.pipe(\n\t\t\t\ttakeUntilDestroyed(this.nav.destroyRef),\n\t\t\t\tstartWith(this._activePane?.item || null),\n\t\t\t\tdistinctUntilChanged(),\n\t\t\t\tskip(1),\n\t\t\t)\n\t\t\t.subscribe((nextItem) => {\n\t\t\t\tconst options: NgbTransitionOptions<undefined> = { animation: this.nav.animation, runningTransition: 'stop' };\n\n\t\t\t\t// next panel we're switching to will only appear in DOM after the change detection is done\n\t\t\t\t// and `this._panes` will be updated\n\t\t\t\tthis._cd.detectChanges();\n\n\t\t\t\t// fading out\n\t\t\t\tif (this._activePane) {\n\t\t\t\t\tngbRunTransition(this._ngZone, this._activePane.nativeElement, ngbNavFadeOutTransition, options).subscribe(\n\t\t\t\t\t\t() => {\n\t\t\t\t\t\t\tconst activeItem = this._activePane?.item;\n\t\t\t\t\t\t\tthis._activePane = this._getPaneForItem(nextItem);\n\n\t\t\t\t\t\t\t// mark for check when transition finishes as outlet or parent containers might be OnPush\n\t\t\t\t\t\t\t// without this the panes that have \"faded out\" will stay in DOM\n\t\t\t\t\t\t\tthis._cd.markForCheck();\n\n\t\t\t\t\t\t\t// fading in\n\t\t\t\t\t\t\tif (this._activePane) {\n\t\t\t\t\t\t\t\t// we have to add the '.active' class before running the transition,\n\t\t\t\t\t\t\t\t// because it should be in place before `ngbRunTransition` does `reflow()`\n\t\t\t\t\t\t\t\tthis._activePane.nativeElement.classList.add('active');\n\t\t\t\t\t\t\t\tngbRunTransition(\n\t\t\t\t\t\t\t\t\tthis._ngZone,\n\t\t\t\t\t\t\t\t\tthis._activePane.nativeElement,\n\t\t\t\t\t\t\t\t\tngbNavFadeInTransition,\n\t\t\t\t\t\t\t\t\toptions,\n\t\t\t\t\t\t\t\t).subscribe(() => {\n\t\t\t\t\t\t\t\t\tif (nextItem) {\n\t\t\t\t\t\t\t\t\t\tnextItem.shown.emit();\n\t\t\t\t\t\t\t\t\t\tthis.nav.shown.emit(nextItem.id);\n\t\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t});\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif (activeItem) {\n\t\t\t\t\t\t\t\tactiveItem.hidden.emit();\n\t\t\t\t\t\t\t\tthis.nav.hidden.emit(activeItem.id);\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t},\n\t\t\t\t\t);\n\t\t\t\t} else {\n\t\t\t\t\tthis._updateActivePane();\n\t\t\t\t}\n\t\t\t});\n\t}\n\n\tprivate _updateActivePane() {\n\t\tthis._activePane = this._getActivePane();\n\t\tthis._activePane?.nativeElement.classList.add('show');\n\t\tthis._activePane?.nativeElement.classList.add('active');\n\t}\n\n\tprivate _getPaneForItem(item: NgbNavItem | null) {\n\t\treturn (this._panes && this._panes.find((pane) => pane.item === item)) || null;\n\t}\n\n\tprivate _getActivePane(): NgbNavPane | null {\n\t\treturn (this._panes && this._panes.find((pane) => pane.item.active)) || null;\n\t}\n}\n"]}