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@ng-bootstrap/ng-bootstrap

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import { DOCUMENT } from '@angular/common'; import { createComponent, EnvironmentInjector, EventEmitter, Inject, Injectable, Injector, TemplateRef, } from '@angular/core'; import { Subject } from 'rxjs'; import { ngbFocusTrap } from '../util/focus-trap'; import { ContentRef } from '../util/popup'; import { isDefined, isString } from '../util/util'; import { NgbModalBackdrop } from './modal-backdrop'; import { NgbActiveModal, NgbModalRef } from './modal-ref'; import { NgbModalWindow } from './modal-window'; import { take } from 'rxjs/operators'; import * as i0 from "@angular/core"; import * as i1 from "../util/scrollbar"; class NgbModalStack { constructor(_applicationRef, _injector, _environmentInjector, _document, _scrollBar, _rendererFactory, _ngZone) { this._applicationRef = _applicationRef; this._injector = _injector; this._environmentInjector = _environmentInjector; this._document = _document; this._scrollBar = _scrollBar; this._rendererFactory = _rendererFactory; this._ngZone = _ngZone; this._activeWindowCmptHasChanged = new Subject(); this._ariaHiddenValues = new Map(); this._scrollBarRestoreFn = null; this._modalRefs = []; this._windowCmpts = []; this._activeInstances = new EventEmitter(); // Trap focus on active WindowCmpt this._activeWindowCmptHasChanged.subscribe(() => { if (this._windowCmpts.length) { const activeWindowCmpt = this._windowCmpts[this._windowCmpts.length - 1]; ngbFocusTrap(this._ngZone, activeWindowCmpt.location.nativeElement, this._activeWindowCmptHasChanged); this._revertAriaHidden(); this._setAriaHidden(activeWindowCmpt.location.nativeElement); } }); } _restoreScrollBar() { const scrollBarRestoreFn = this._scrollBarRestoreFn; if (scrollBarRestoreFn) { this._scrollBarRestoreFn = null; scrollBarRestoreFn(); } } _hideScrollBar() { if (!this._scrollBarRestoreFn) { this._scrollBarRestoreFn = this._scrollBar.hide(); } } open(contentInjector, content, options) { const containerEl = options.container instanceof HTMLElement ? options.container : isDefined(options.container) ? this._document.querySelector(options.container) : this._document.body; const renderer = this._rendererFactory.createRenderer(null, null); if (!containerEl) { throw new Error(`The specified modal container "${options.container || 'body'}" was not found in the DOM.`); } this._hideScrollBar(); const activeModal = new NgbActiveModal(); contentInjector = options.injector || contentInjector; const environmentInjector = contentInjector.get(EnvironmentInjector, null) || this._environmentInjector; const contentRef = this._getContentRef(contentInjector, environmentInjector, content, activeModal, options); let backdropCmptRef = options.backdrop !== false ? this._attachBackdrop(containerEl) : undefined; let windowCmptRef = this._attachWindowComponent(containerEl, contentRef.nodes); let ngbModalRef = new NgbModalRef(windowCmptRef, contentRef, backdropCmptRef, options.beforeDismiss); this._registerModalRef(ngbModalRef); this._registerWindowCmpt(windowCmptRef); // We have to cleanup DOM after the last modal when BOTH 'hidden' was emitted and 'result' promise was resolved: // - with animations OFF, 'hidden' emits synchronously, then 'result' is resolved asynchronously // - with animations ON, 'result' is resolved asynchronously, then 'hidden' emits asynchronously ngbModalRef.hidden.pipe(take(1)).subscribe(() => Promise.resolve(true).then(() => { if (!this._modalRefs.length) { renderer.removeClass(this._document.body, 'modal-open'); this._restoreScrollBar(); this._revertAriaHidden(); } })); activeModal.close = (result) => { ngbModalRef.close(result); }; activeModal.dismiss = (reason) => { ngbModalRef.dismiss(reason); }; activeModal.update = (options) => { ngbModalRef.update(options); }; ngbModalRef.update(options); if (this._modalRefs.length === 1) { renderer.addClass(this._document.body, 'modal-open'); } if (backdropCmptRef && backdropCmptRef.instance) { backdropCmptRef.changeDetectorRef.detectChanges(); } windowCmptRef.changeDetectorRef.detectChanges(); return ngbModalRef; } get activeInstances() { return this._activeInstances; } dismissAll(reason) { this._modalRefs.forEach((ngbModalRef) => ngbModalRef.dismiss(reason)); } hasOpenModals() { return this._modalRefs.length > 0; } _attachBackdrop(containerEl) { let backdropCmptRef = createComponent(NgbModalBackdrop, { environmentInjector: this._applicationRef.injector, elementInjector: this._injector, }); this._applicationRef.attachView(backdropCmptRef.hostView); containerEl.appendChild(backdropCmptRef.location.nativeElement); return backdropCmptRef; } _attachWindowComponent(containerEl, projectableNodes) { let windowCmptRef = createComponent(NgbModalWindow, { environmentInjector: this._applicationRef.injector, elementInjector: this._injector, projectableNodes, }); this._applicationRef.attachView(windowCmptRef.hostView); containerEl.appendChild(windowCmptRef.location.nativeElement); return windowCmptRef; } _getContentRef(contentInjector, environmentInjector, content, activeModal, options) { if (!content) { return new ContentRef([]); } else if (content instanceof TemplateRef) { return this._createFromTemplateRef(content, activeModal); } else if (isString(content)) { return this._createFromString(content); } else { return this._createFromComponent(contentInjector, environmentInjector, content, activeModal, options); } } _createFromTemplateRef(templateRef, activeModal) { const context = { $implicit: activeModal, close(result) { activeModal.close(result); }, dismiss(reason) { activeModal.dismiss(reason); }, }; const viewRef = templateRef.createEmbeddedView(context); this._applicationRef.attachView(viewRef); return new ContentRef([viewRef.rootNodes], viewRef); } _createFromString(content) { const component = this._document.createTextNode(`${content}`); return new ContentRef([[component]]); } _createFromComponent(contentInjector, environmentInjector, componentType, context, options) { const elementInjector = Injector.create({ providers: [{ provide: NgbActiveModal, useValue: context }], parent: contentInjector, }); const componentRef = createComponent(componentType, { environmentInjector, elementInjector, }); const componentNativeEl = componentRef.location.nativeElement; if (options.scrollable) { componentNativeEl.classList.add('component-host-scrollable'); } this._applicationRef.attachView(componentRef.hostView); // FIXME: we should here get rid of the component nativeElement // and use `[Array.from(componentNativeEl.childNodes)]` instead and remove the above CSS class. return new ContentRef([[componentNativeEl]], componentRef.hostView, componentRef); } _setAriaHidden(element) { const parent = element.parentElement; if (parent && element !== this._document.body) { Array.from(parent.children).forEach((sibling) => { if (sibling !== element && sibling.nodeName !== 'SCRIPT') { this._ariaHiddenValues.set(sibling, sibling.getAttribute('aria-hidden')); sibling.setAttribute('aria-hidden', 'true'); } }); this._setAriaHidden(parent); } } _revertAriaHidden() { this._ariaHiddenValues.forEach((value, element) => { if (value) { element.setAttribute('aria-hidden', value); } else { element.removeAttribute('aria-hidden'); } }); this._ariaHiddenValues.clear(); } _registerModalRef(ngbModalRef) { const unregisterModalRef = () => { const index = this._modalRefs.indexOf(ngbModalRef); if (index > -1) { this._modalRefs.splice(index, 1); this._activeInstances.emit(this._modalRefs); } }; this._modalRefs.push(ngbModalRef); this._activeInstances.emit(this._modalRefs); ngbModalRef.result.then(unregisterModalRef, unregisterModalRef); } _registerWindowCmpt(ngbWindowCmpt) { this._windowCmpts.push(ngbWindowCmpt); this._activeWindowCmptHasChanged.next(); ngbWindowCmpt.onDestroy(() => { const index = this._windowCmpts.indexOf(ngbWindowCmpt); if (index > -1) { this._windowCmpts.splice(index, 1); this._activeWindowCmptHasChanged.next(); } }); } static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.0.6", ngImport: i0, type: NgbModalStack, deps: [{ token: i0.ApplicationRef }, { token: i0.Injector }, { token: i0.EnvironmentInjector }, { token: DOCUMENT }, { token: i1.ScrollBar }, { token: i0.RendererFactory2 }, { token: i0.NgZone }], target: i0.ɵɵFactoryTarget.Injectable }); } static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "16.0.6", ngImport: i0, type: NgbModalStack, providedIn: 'root' }); } } export { NgbModalStack }; i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.0.6", ngImport: i0, type: NgbModalStack, decorators: [{ type: Injectable, args: [{ providedIn: 'root' }] }], ctorParameters: function () { return [{ type: i0.ApplicationRef }, { type: i0.Injector }, { type: i0.EnvironmentInjector }, { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT] }] }, { type: i1.ScrollBar }, { type: i0.RendererFactory2 }, { type: i0.NgZone }]; } }); //# 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{ DOCUMENT } from '@angular/common';\nimport {\n\tApplicationRef,\n\tComponentRef,\n\tcreateComponent,\n\tEnvironmentInjector,\n\tEventEmitter,\n\tInject,\n\tInjectable,\n\tInjector,\n\tNgZone,\n\tRendererFactory2,\n\tTemplateRef,\n\tType,\n} from '@angular/core';\nimport { Subject } from 'rxjs';\n\nimport { ngbFocusTrap } from '../util/focus-trap';\nimport { ContentRef } from '../util/popup';\nimport { ScrollBar } from '../util/scrollbar';\nimport { isDefined, isString } from '../util/util';\nimport { NgbModalBackdrop } from './modal-backdrop';\nimport { NgbModalOptions, NgbModalUpdatableOptions } from './modal-config';\nimport { NgbActiveModal, NgbModalRef } from './modal-ref';\nimport { NgbModalWindow } from './modal-window';\nimport { take } from 'rxjs/operators';\n\n@Injectable({ providedIn: 'root' })\nexport class NgbModalStack {\n\tprivate _activeWindowCmptHasChanged = new Subject<void>();\n\tprivate _ariaHiddenValues: Map<Element, string | null> = new Map();\n\tprivate 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\"${options.container || 'body'}\" was not found in the DOM.`);\n\t\t}\n\n\t\tthis._hideScrollBar();\n\n\t\tconst activeModal = new NgbActiveModal();\n\n\t\tcontentInjector = options.injector || contentInjector;\n\t\tconst environmentInjector = contentInjector.get(EnvironmentInjector, null) || this._environmentInjector;\n\t\tconst contentRef = this._getContentRef(contentInjector, environmentInjector, content, activeModal, options);\n\n\t\tlet backdropCmptRef: ComponentRef<NgbModalBackdrop> | undefined =\n\t\t\toptions.backdrop !== false ? this._attachBackdrop(containerEl) : undefined;\n\t\tlet windowCmptRef: ComponentRef<NgbModalWindow> = this._attachWindowComponent(containerEl, contentRef.nodes);\n\t\tlet ngbModalRef: NgbModalRef = new NgbModalRef(windowCmptRef, contentRef, backdropCmptRef, options.beforeDismiss);\n\n\t\tthis._registerModalRef(ngbModalRef);\n\t\tthis._registerWindowCmpt(windowCmptRef);\n\n\t\t// We have to cleanup DOM after the last modal when BOTH 'hidden' was emitted and 'result' promise was resolved:\n\t\t// - with animations OFF, 'hidden' emits synchronously, then 'result' is resolved asynchronously\n\t\t// - with animations ON, 'result' is resolved asynchronously, then 'hidden' emits asynchronously\n\t\tngbModalRef.hidden.pipe(take(1)).subscribe(() =>\n\t\t\tPromise.resolve(true).then(() => {\n\t\t\t\tif (!this._modalRefs.length) {\n\t\t\t\t\trenderer.removeClass(this._document.body, 'modal-open');\n\t\t\t\t\tthis._restoreScrollBar();\n\t\t\t\t\tthis._revertAriaHidden();\n\t\t\t\t}\n\t\t\t}),\n\t\t);\n\n\t\tactiveModal.close = (result: any) => {\n\t\t\tngbModalRef.close(result);\n\t\t};\n\t\tactiveModal.dismiss = (reason: any) => {\n\t\t\tngbModalRef.dismiss(reason);\n\t\t};\n\n\t\tactiveModal.update = (options: NgbModalUpdatableOptions) => {\n\t\t\tngbModalRef.update(options);\n\t\t};\n\n\t\tngbModalRef.update(options);\n\t\tif (this._modalRefs.length === 1) {\n\t\t\trenderer.addClass(this._document.body, 'modal-open');\n\t\t}\n\n\t\tif (backdropCmptRef && backdropCmptRef.instance) {\n\t\t\tbackdropCmptRef.changeDetectorRef.detectChanges();\n\t\t}\n\t\twindowCmptRef.changeDetectorRef.detectChanges();\n\t\treturn ngbModalRef;\n\t}\n\n\tget activeInstances() {\n\t\treturn this._activeInstances;\n\t}\n\n\tdismissAll(reason?: any) {\n\t\tthis._modalRefs.forEach((ngbModalRef) => ngbModalRef.dismiss(reason));\n\t}\n\n\thasOpenModals(): boolean {\n\t\treturn this._modalRefs.length > 0;\n\t}\n\n\tprivate _attachBackdrop(containerEl: Element): ComponentRef<NgbModalBackdrop> {\n\t\tlet backdropCmptRef = createComponent(NgbModalBackdrop, {\n\t\t\tenvironmentInjector: this._applicationRef.injector,\n\t\t\telementInjector: this._injector,\n\t\t});\n\t\tthis._applicationRef.attachView(backdropCmptRef.hostView);\n\t\tcontainerEl.appendChild(backdropCmptRef.location.nativeElement);\n\t\treturn backdropCmptRef;\n\t}\n\n\tprivate _attachWindowComponent(containerEl: Element, projectableNodes: Node[][]): ComponentRef<NgbModalWindow> {\n\t\tlet windowCmptRef = createComponent(NgbModalWindow, {\n\t\t\tenvironmentInjector: this._applicationRef.injector,\n\t\t\telementInjector: this._injector,\n\t\t\tprojectableNodes,\n\t\t});\n\t\tthis._applicationRef.attachView(windowCmptRef.hostView);\n\t\tcontainerEl.appendChild(windowCmptRef.location.nativeElement);\n\t\treturn windowCmptRef;\n\t}\n\n\tprivate _getContentRef(\n\t\tcontentInjector: Injector,\n\t\tenvironmentInjector: EnvironmentInjector,\n\t\tcontent: Type<any> | TemplateRef<any> | string,\n\t\tactiveModal: NgbActiveModal,\n\t\toptions: NgbModalOptions,\n\t): ContentRef {\n\t\tif (!content) {\n\t\t\treturn new ContentRef([]);\n\t\t} else if (content instanceof TemplateRef) {\n\t\t\treturn this._createFromTemplateRef(content, activeModal);\n\t\t} else if (isString(content)) {\n\t\t\treturn this._createFromString(content);\n\t\t} else {\n\t\t\treturn this._createFromComponent(contentInjector, environmentInjector, content, activeModal, options);\n\t\t}\n\t}\n\n\tprivate _createFromTemplateRef(templateRef: TemplateRef<any>, activeModal: NgbActiveModal): ContentRef {\n\t\tconst context = {\n\t\t\t$implicit: activeModal,\n\t\t\tclose(result) {\n\t\t\t\tactiveModal.close(result);\n\t\t\t},\n\t\t\tdismiss(reason) {\n\t\t\t\tactiveModal.dismiss(reason);\n\t\t\t},\n\t\t};\n\t\tconst viewRef = templateRef.createEmbeddedView(context);\n\t\tthis._applicationRef.attachView(viewRef);\n\t\treturn new ContentRef([viewRef.rootNodes], viewRef);\n\t}\n\n\tprivate _createFromString(content: string): ContentRef {\n\t\tconst component = this._document.createTextNode(`${content}`);\n\t\treturn new ContentRef([[component]]);\n\t}\n\n\tprivate _createFromComponent(\n\t\tcontentInjector: Injector,\n\t\tenvironmentInjector: EnvironmentInjector,\n\t\tcomponentType: Type<any>,\n\t\tcontext: NgbActiveModal,\n\t\toptions: NgbModalOptions,\n\t): ContentRef {\n\t\tconst elementInjector = Injector.create({\n\t\t\tproviders: [{ provide: NgbActiveModal, useValue: context }],\n\t\t\tparent: contentInjector,\n\t\t});\n\t\tconst componentRef = createComponent(componentType, {\n\t\t\tenvironmentInjector,\n\t\t\telementInjector,\n\t\t});\n\t\tconst componentNativeEl = componentRef.location.nativeElement;\n\t\tif (options.scrollable) {\n\t\t\t(componentNativeEl as HTMLElement).classList.add('component-host-scrollable');\n\t\t}\n\t\tthis._applicationRef.attachView(componentRef.hostView);\n\t\t// FIXME: we should here get rid of the component nativeElement\n\t\t// and use `[Array.from(componentNativeEl.childNodes)]` instead and remove the above CSS class.\n\t\treturn new ContentRef([[componentNativeEl]], componentRef.hostView, componentRef);\n\t}\n\n\tprivate _setAriaHidden(element: Element) {\n\t\tconst parent = element.parentElement;\n\t\tif (parent && element !== this._document.body) {\n\t\t\tArray.from(parent.children).forEach((sibling) => {\n\t\t\t\tif (sibling !== element && sibling.nodeName !== 'SCRIPT') {\n\t\t\t\t\tthis._ariaHiddenValues.set(sibling, sibling.getAttribute('aria-hidden'));\n\t\t\t\t\tsibling.setAttribute('aria-hidden', 'true');\n\t\t\t\t}\n\t\t\t});\n\n\t\t\tthis._setAriaHidden(parent);\n\t\t}\n\t}\n\n\tprivate _revertAriaHidden() {\n\t\tthis._ariaHiddenValues.forEach((value, element) => {\n\t\t\tif (value) {\n\t\t\t\telement.setAttribute('aria-hidden', value);\n\t\t\t} else {\n\t\t\t\telement.removeAttribute('aria-hidden');\n\t\t\t}\n\t\t});\n\t\tthis._ariaHiddenValues.clear();\n\t}\n\n\tprivate _registerModalRef(ngbModalRef: NgbModalRef) {\n\t\tconst unregisterModalRef = () => {\n\t\t\tconst index = this._modalRefs.indexOf(ngbModalRef);\n\t\t\tif (index > -1) {\n\t\t\t\tthis._modalRefs.splice(index, 1);\n\t\t\t\tthis._activeInstances.emit(this._modalRefs);\n\t\t\t}\n\t\t};\n\t\tthis._modalRefs.push(ngbModalRef);\n\t\tthis._activeInstances.emit(this._modalRefs);\n\t\tngbModalRef.result.then(unregisterModalRef, unregisterModalRef);\n\t}\n\n\tprivate _registerWindowCmpt(ngbWindowCmpt: ComponentRef<NgbModalWindow>) {\n\t\tthis._windowCmpts.push(ngbWindowCmpt);\n\t\tthis._activeWindowCmptHasChanged.next();\n\n\t\tngbWindowCmpt.onDestroy(() => {\n\t\t\tconst index = this._windowCmpts.indexOf(ngbWindowCmpt);\n\t\t\tif (index > -1) {\n\t\t\t\tthis._windowCmpts.splice(index, 1);\n\t\t\t\tthis._activeWindowCmptHasChanged.next();\n\t\t\t}\n\t\t});\n\t}\n}\n"]}