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ngx-smart-modal

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Smart modal handler to manage modals and data everywhere in Angular apps.

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import { ApplicationRef, Inject, Injectable, PLATFORM_ID, TemplateRef, Type } from '@angular/core';
import { DOCUMENT, isPlatformBrowser } from '@angular/common';
import { NgxSmartModalComponent } from '../components/ngx-smart-modal.component';
import { NgxSmartModalConfig } from '../config/ngx-smart-modal.config';
import * as i0 from "@angular/core";
import * as i1 from "./ngx-smart-modal-stack.service";
export class NgxSmartModalService {
    constructor(_injector, _modalStack, _document, _platformId) {
        this._injector = _injector;
        this._modalStack = _modalStack;
        this._document = _document;
        this._platformId = _platformId;
        /**
         * Close the latest opened modal if escape key event is emitted
         * @param event The Keyboard Event
         */
        this._escapeKeyboardEvent = (event) => {
            if (event.key === 'Escape') {
                try {
                    const modal = this.getTopOpenedModal();
                    if (!modal.escapable) {
                        return false;
                    }
                    modal.onEscape.emit(modal);
                    this.closeLatestModal();
                    return true;
                }
                catch (e) {
                    return false;
                }
            }
            return false;
        };
        /**
         * While modal is open, the focus stay on it
         * @param event The Keyboar dEvent
         */
        this._trapFocusModal = (event) => {
            if (event.key === 'Tab') {
                try {
                    const modal = this.getTopOpenedModal();
                    if (!modal.nsmDialog.first.nativeElement.contains(document.activeElement)) {
                        event.preventDefault();
                        event.stopPropagation();
                        modal.nsmDialog.first.nativeElement.focus();
                    }
                    return true;
                }
                catch (e) {
                    return false;
                }
            }
            return false;
        };
        this._addEvents();
    }
    /**
     * Add a new modal instance. This step is essential and allows to retrieve any modal at any time.
     * It stores an object that contains the given modal identifier and the modal itself directly in the `modalStack`.
     *
     * @param modalInstance The object that contains the given modal identifier and the modal itself.
     * @param force Optional parameter that forces the overriding of modal instance if it already exists.
     * @returns nothing special.
     */
    addModal(modalInstance, force) {
        this._modalStack.addModal(modalInstance, force);
    }
    /**
     * Retrieve a modal instance by its identifier.
     *
     * @param id The modal identifier used at creation time.
     */
    getModal(id) {
        return this._modalStack.getModal(id);
    }
    /**
     * Alias of `getModal` to retrieve a modal instance by its identifier.
     *
     * @param id The modal identifier used at creation time.
     */
    get(id) {
        return this.getModal(id);
    }
    /**
     * Open a given modal
     *
     * @param id The modal identifier used at creation time.
     * @param force Tell the modal to open top of all other opened modals
     */
    open(id, force = false) {
        return this._openModal(this.get(id), force);
    }
    /**
     * Close a given modal
     *
     * @param id The modal identifier used at creation time.
     */
    close(id) {
        return this._closeModal(this.get(id));
    }
    /**
     * Close all opened modals
     */
    closeAll() {
        this.getOpenedModals().forEach((instance) => {
            this._closeModal(instance.modal);
        });
    }
    /**
     * Toggles a given modal
     * If the retrieved modal is opened it closes it, else it opens it.
     *
     * @param id The modal identifier used at creation time.
     * @param force Tell the modal to open top of all other opened modals
     */
    toggle(id, force = false) {
        return this._toggleModal(this.get(id), force);
    }
    /**
     * Retrieve all the created modals.
     *
     * @returns an array that contains all modal instances.
     */
    getModalStack() {
        return this._modalStack.getModalStack();
    }
    /**
     * Retrieve all the opened modals. It looks for all modal instances with their `visible` property set to `true`.
     *
     * @returns an array that contains all the opened modals.
     */
    getOpenedModals() {
        return this._modalStack.getOpenedModals();
    }
    /**
     * Retrieve the opened modal with highest z-index.
     *
     * @returns the opened modal with highest z-index.
     */
    getTopOpenedModal() {
        return this._modalStack.getTopOpenedModal();
    }
    /**
     * Get the higher `z-index` value between all the modal instances. It iterates over the `ModalStack` array and
     * calculates a higher value (it takes the highest index value between all the modal instances and adds 1).
     * Use it to make a modal appear foreground.
     *
     * @returns a higher index from all the existing modal instances.
     */
    getHigherIndex() {
        return this._modalStack.getHigherIndex();
    }
    /**
     * It gives the number of modal instances. It's helpful to know if the modal stack is empty or not.
     *
     * @returns the number of modal instances.
     */
    getModalStackCount() {
        return this._modalStack.getModalStackCount();
    }
    /**
     * Remove a modal instance from the modal stack.
     *
     * @param id The modal identifier.
     * @returns the removed modal instance.
     */
    removeModal(id) {
        const modalInstance = this._modalStack.removeModal(id);
        if (modalInstance) {
            this._destroyModal(modalInstance.modal);
        }
    }
    /**
     * Associate data to an identified modal. If the modal isn't already associated to some data, it creates a new
     * entry in the `modalData` array with its `id` and the given `data`. If the modal already has data, it rewrites
     * them with the new ones. Finally if no modal found it returns an error message in the console and false value
     * as method output.
     *
     * @param data The data you want to associate to the modal.
     * @param id The modal identifier.
     * @param force If true, overrides the previous stored data if there was.
     * @returns true if the given modal exists and the process has been tried, either false.
     */
    setModalData(data, id, force) {
        const modal = this.get(id);
        if (modal) {
            modal.setData(data, force);
            return true;
        }
        else {
            return false;
        }
    }
    /**
     * Retrieve modal data by its identifier.
     *
     * @param id The modal identifier used at creation time.
     * @returns the associated modal data.
     */
    getModalData(id) {
        const modal = this.get(id);
        if (modal) {
            return modal.getData();
        }
        return null;
    }
    /**
     * Reset the data attached to a given modal.
     *
     * @param id The modal identifier used at creation time.
     * @returns the removed data or false if modal doesn't exist.
     */
    resetModalData(id) {
        if (this._modalStack.getModalStack().find((o) => o.id === id)) {
            const removed = this.getModal(id).getData();
            this.getModal(id).removeData();
            return removed;
        }
        else {
            return false;
        }
    }
    /**
     * Close the latest opened modal
     */
    closeLatestModal() {
        this.getTopOpenedModal().close();
    }
    /**
     * Create dynamic NgxSmartModalComponent
     * @param vcr A ViewContainerRef reference
     * @param id The modal identifier used at creation time
     * @param content The modal content (string, templateRef or Component)
     * @param options Any NgxSmartModalComponent available options
     */
    create(id, content, vcr, options = {}) {
        try {
            return this.getModal(id);
        }
        catch (e) {
            const ngContent = this._resolveNgContent(content);
            const componentRef = vcr.createComponent(NgxSmartModalComponent, { injector: this._injector, projectableNodes: ngContent });
            if (content instanceof Type) {
                componentRef.instance.contentComponent = content;
            }
            componentRef.instance.identifier = id;
            componentRef.instance.createFrom = 'service';
            if (typeof options.closable === 'boolean') {
                componentRef.instance.closable = options.closable;
            }
            if (typeof options.escapable === 'boolean') {
                componentRef.instance.escapable = options.escapable;
            }
            if (typeof options.dismissable === 'boolean') {
                componentRef.instance.dismissable = options.dismissable;
            }
            if (typeof options.customClass === 'string') {
                componentRef.instance.customClass = options.customClass;
            }
            if (typeof options.backdrop === 'boolean') {
                componentRef.instance.backdrop = options.backdrop;
            }
            if (typeof options.force === 'boolean') {
                componentRef.instance.force = options.force;
            }
            if (typeof options.hideDelay === 'number') {
                componentRef.instance.hideDelay = options.hideDelay;
            }
            if (typeof options.autostart === 'boolean') {
                componentRef.instance.autostart = options.autostart;
            }
            if (typeof options.target === 'string') {
                componentRef.instance.target = options.target;
            }
            if (typeof options.ariaLabel === 'string') {
                componentRef.instance.ariaLabel = options.ariaLabel;
            }
            if (typeof options.ariaLabelledBy === 'string') {
                componentRef.instance.ariaLabelledBy = options.ariaLabelledBy;
            }
            if (typeof options.ariaDescribedBy === 'string') {
                componentRef.instance.ariaDescribedBy = options.ariaDescribedBy;
            }
            if (typeof options.refocus === 'boolean') {
                componentRef.instance.refocus = options.refocus;
            }
            const domElem = componentRef.hostView.rootNodes[0];
            this._document.body.appendChild(domElem);
            return componentRef.instance;
        }
    }
    _addEvents() {
        if (!this.isBrowser) {
            return false;
        }
        window.addEventListener(NgxSmartModalConfig.prefixEvent + 'create', ((e) => {
            this._initModal(e.detail.instance);
        }));
        window.addEventListener(NgxSmartModalConfig.prefixEvent + 'delete', ((e) => {
            this._deleteModal(e.detail.instance);
        }));
        window.addEventListener(NgxSmartModalConfig.prefixEvent + 'open', ((e) => {
            this._openModal(e.detail.instance.modal, e.detail.extraData.top);
        }));
        window.addEventListener(NgxSmartModalConfig.prefixEvent + 'toggle', ((e) => {
            this._toggleModal(e.detail.instance.modal, e.detail.extraData.top);
        }));
        window.addEventListener(NgxSmartModalConfig.prefixEvent + 'close', ((e) => {
            this._closeModal(e.detail.instance.modal);
        }));
        window.addEventListener(NgxSmartModalConfig.prefixEvent + 'dismiss', ((e) => {
            this._dismissModal(e.detail.instance.modal);
        }));
        window.addEventListener('keyup', this._escapeKeyboardEvent);
        return true;
    }
    _initModal(modalInstance) {
        modalInstance.modal.layerPosition += this.getModalStackCount();
        this.addModal(modalInstance, modalInstance.modal.force);
        if (modalInstance.modal.autostart) {
            this.open(modalInstance.id);
        }
    }
    _openModal(modal, top) {
        if (modal.visible) {
            return false;
        }
        this.lastElementFocused = document.activeElement;
        if (modal.escapable) {
            window.addEventListener('keyup', this._escapeKeyboardEvent);
        }
        if (modal.backdrop) {
            window.addEventListener('keydown', this._trapFocusModal);
        }
        if (top) {
            modal.layerPosition = this.getHigherIndex();
        }
        modal.addBodyClass();
        modal.overlayVisible = true;
        modal.visible = true;
        modal.onOpen.emit(modal);
        modal.markForCheck();
        setTimeout(() => {
            modal.openedClass = true;
            if (modal.target) {
                modal.targetPlacement();
            }
            modal.nsmDialog.first.nativeElement.setAttribute('role', 'dialog');
            modal.nsmDialog.first.nativeElement.setAttribute('tabIndex', '-1');
            modal.nsmDialog.first.nativeElement.setAttribute('aria-modal', 'true');
            modal.nsmDialog.first.nativeElement.focus();
            modal.markForCheck();
            modal.onOpenFinished.emit(modal);
        });
        return true;
    }
    _toggleModal(modal, top) {
        if (modal.visible) {
            return this._closeModal(modal);
        }
        else {
            return this._openModal(modal, top);
        }
    }
    _closeModal(modal) {
        if (!modal.openedClass) {
            return false;
        }
        modal.openedClass = false;
        modal.onClose.emit(modal);
        modal.onAnyCloseEvent.emit(modal);
        if (this.getOpenedModals().length < 2) {
            modal.removeBodyClass();
            window.removeEventListener('keyup', this._escapeKeyboardEvent);
            window.removeEventListener('keydown', this._trapFocusModal);
        }
        setTimeout(() => {
            modal.visibleChange.emit(modal.visible);
            modal.visible = false;
            modal.overlayVisible = false;
            modal.nsmDialog.first.nativeElement.removeAttribute('tabIndex');
            modal.markForCheck();
            modal.onCloseFinished.emit(modal);
            modal.onAnyCloseEventFinished.emit(modal);
            if (modal.refocus) {
                this.lastElementFocused.focus();
            }
        }, modal.hideDelay);
        return true;
    }
    _dismissModal(modal) {
        if (!modal.openedClass) {
            return false;
        }
        modal.openedClass = false;
        modal.onDismiss.emit(modal);
        modal.onAnyCloseEvent.emit(modal);
        if (this.getOpenedModals().length < 2) {
            modal.removeBodyClass();
        }
        setTimeout(() => {
            modal.visible = false;
            modal.visibleChange.emit(modal.visible);
            modal.overlayVisible = false;
            modal.markForCheck();
            modal.onDismissFinished.emit(modal);
            modal.onAnyCloseEventFinished.emit(modal);
        }, modal.hideDelay);
        return true;
    }
    _deleteModal(modalInstance) {
        this.removeModal(modalInstance.id);
        if (!this.getModalStack().length) {
            modalInstance.modal.removeBodyClass();
        }
    }
    /**
     * Resolve content according to the types
     * @param content The modal content (string, templateRef or Component)
     */
    _resolveNgContent(content) {
        if (typeof content === 'string') {
            const element = this._document.createTextNode(content);
            return [[element]];
        }
        if (content instanceof TemplateRef) {
            const viewRef = content.createEmbeddedView(null);
            this.appRef.attachView(viewRef);
            return [viewRef.rootNodes];
        }
        return [];
    }
    /**
     * Is current platform browser
     */
    get isBrowser() {
        return isPlatformBrowser(this._platformId);
    }
    /**
     * Remove dynamically created modal from DOM
     */
    _destroyModal(modal) {
        // Prevent destruction of the inline modals
        if (modal.createFrom !== 'service') {
            return;
        }
        this._document.body.removeChild(modal.elementRef.nativeElement);
    }
    /**
     * getter function to avoid circular dependency error
     * @returns ApplicationRef instance
     * */
    get appRef() {
        return this._injector.get(ApplicationRef);
    }
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.2.10", ngImport: i0, type: NgxSmartModalService, deps: [{ token: i0.Injector }, { token: i1.NgxSmartModalStackService }, { token: DOCUMENT }, { token: PLATFORM_ID }], target: i0.ɵɵFactoryTarget.Injectable }); }
    static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "16.2.10", ngImport: i0, type: NgxSmartModalService, providedIn: 'root' }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.2.10", ngImport: i0, type: NgxSmartModalService, decorators: [{
            type: Injectable,
            args: [{
                    providedIn: 'root'
                }]
        }], ctorParameters: function () { return [{ type: i0.Injector }, { type: i1.NgxSmartModalStackService }, { type: undefined, decorators: [{
                    type: Inject,
                    args: [DOCUMENT]
                }] }, { type: undefined, decorators: [{
                    type: Inject,
                    args: [PLATFORM_ID]
                }] }]; } });
//# 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{ ApplicationRef, EmbeddedViewRef, Inject, Injectable, Injector, PLATFORM_ID, TemplateRef, Type, ViewContainerRef } from '@angular/core';\nimport { DOCUMENT, isPlatformBrowser } from '@angular/common';\nimport { NgxSmartModalComponent } from '../components/ngx-smart-modal.component';\nimport { INgxSmartModalOptions, NgxSmartModalConfig } from '../config/ngx-smart-modal.config';\nimport { NgxSmartModalStackService } from './ngx-smart-modal-stack.service';\nimport { ModalInstance } from './modal-instance';\n\nexport type Content<T> = string | TemplateRef<T> | Type<T>;\n\n@Injectable({\n  providedIn: 'root'\n})\nexport class NgxSmartModalService {\n  private lastElementFocused: any;\n\n  constructor(\n    private _injector: Injector,\n    private _modalStack: NgxSmartModalStackService,\n    @Inject(DOCUMENT) private _document: any,\n    @Inject(PLATFORM_ID) private _platformId: any\n  ) {\n    this._addEvents();\n  }\n\n  /**\n   * Add a new modal instance. This step is essential and allows to retrieve any modal at any time.\n   * It stores an object that contains the given modal identifier and the modal itself directly in the `modalStack`.\n   *\n   * @param modalInstance The object that contains the given modal identifier and the modal itself.\n   * @param force Optional parameter that forces the overriding of modal instance if it already exists.\n   * @returns nothing special.\n   */\n  public addModal(modalInstance: ModalInstance, force?: boolean): void {\n    this._modalStack.addModal(modalInstance, force);\n  }\n\n  /**\n   * Retrieve a modal instance by its identifier.\n   *\n   * @param id The modal identifier used at creation time.\n   */\n  public getModal(id: string): NgxSmartModalComponent {\n    return this._modalStack.getModal(id);\n  }\n\n  /**\n   * Alias of `getModal` to retrieve a modal instance by its identifier.\n   *\n   * @param id The modal identifier used at creation time.\n   */\n  public get(id: string): NgxSmartModalComponent {\n    return this.getModal(id);\n  }\n\n  /**\n   * Open a given modal\n   *\n   * @param id The modal identifier used at creation time.\n   * @param force Tell the modal to open top of all other opened modals\n   */\n  public open(id: string, force = false): boolean {\n    return this._openModal(this.get(id), force);\n  }\n\n  /**\n   * Close a given modal\n   *\n   * @param id The modal identifier used at creation time.\n   */\n  public close(id: string): boolean {\n    return this._closeModal(this.get(id));\n  }\n\n  /**\n   * Close all opened modals\n   */\n  public closeAll(): void {\n    this.getOpenedModals().forEach((instance: ModalInstance) => {\n      this._closeModal(instance.modal);\n    });\n  }\n\n  /**\n   * Toggles a given modal\n   * If the retrieved modal is opened it closes it, else it opens it.\n   *\n   * @param id The modal identifier used at creation time.\n   * @param force Tell the modal to open top of all other opened modals\n   */\n  public toggle(id: string, force = false): boolean {\n    return this._toggleModal(this.get(id), force);\n  }\n\n  /**\n   * Retrieve all the created modals.\n   *\n   * @returns an array that contains all modal instances.\n   */\n  public getModalStack(): ModalInstance[] {\n    return this._modalStack.getModalStack();\n  }\n\n  /**\n   * Retrieve all the opened modals. It looks for all modal instances with their `visible` property set to `true`.\n   *\n   * @returns an array that contains all the opened modals.\n   */\n  public getOpenedModals(): ModalInstance[] {\n    return this._modalStack.getOpenedModals();\n  }\n\n  /**\n   * Retrieve the opened modal with highest z-index.\n   *\n   * @returns the opened modal with highest z-index.\n   */\n  public getTopOpenedModal(): NgxSmartModalComponent {\n    return this._modalStack.getTopOpenedModal();\n  }\n\n  /**\n   * Get the higher `z-index` value between all the modal instances. It iterates over the `ModalStack` array and\n   * calculates a higher value (it takes the highest index value between all the modal instances and adds 1).\n   * Use it to make a modal appear foreground.\n   *\n   * @returns a higher index from all the existing modal instances.\n   */\n  public getHigherIndex(): number {\n    return this._modalStack.getHigherIndex();\n  }\n\n  /**\n   * It gives the number of modal instances. It's helpful to know if the modal stack is empty or not.\n   *\n   * @returns the number of modal instances.\n   */\n  public getModalStackCount(): number {\n    return this._modalStack.getModalStackCount();\n  }\n\n  /**\n   * Remove a modal instance from the modal stack.\n   *\n   * @param id The modal identifier.\n   * @returns the removed modal instance.\n   */\n  public removeModal(id: string): void {\n    const modalInstance = this._modalStack.removeModal(id);\n    if (modalInstance) {\n      this._destroyModal(modalInstance.modal);\n    }\n  }\n\n  /**\n   * Associate data to an identified modal. If the modal isn't already associated to some data, it creates a new\n   * entry in the `modalData` array with its `id` and the given `data`. If the modal already has data, it rewrites\n   * them with the new ones. Finally if no modal found it returns an error message in the console and false value\n   * as method output.\n   *\n   * @param data The data you want to associate to the modal.\n   * @param id The modal identifier.\n   * @param force If true, overrides the previous stored data if there was.\n   * @returns true if the given modal exists and the process has been tried, either false.\n   */\n  public setModalData(data: any, id: string, force?: boolean): boolean {\n    const modal = this.get(id);\n    if (modal) {\n      modal.setData(data, force);\n      return true;\n    } else {\n      return false;\n    }\n  }\n\n  /**\n   * Retrieve modal data by its identifier.\n   *\n   * @param id The modal identifier used at creation time.\n   * @returns the associated modal data.\n   */\n  public getModalData(id: string): unknown {\n    const modal = this.get(id);\n    if (modal) {\n      return modal.getData();\n    }\n\n    return null;\n  }\n\n  /**\n   * Reset the data attached to a given 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INgxSmartModalOptions = {}) {\n    try {\n      return this.getModal(id);\n    } catch (e) {\n      const ngContent = this._resolveNgContent(content);\n\n      const componentRef = vcr.createComponent(NgxSmartModalComponent, { injector: this._injector, projectableNodes: ngContent });\n\n      if (content instanceof Type) {\n        componentRef.instance.contentComponent = content;\n      }\n\n      componentRef.instance.identifier = id;\n      componentRef.instance.createFrom = 'service';\n\n      if (typeof options.closable === 'boolean') { componentRef.instance.closable = options.closable; }\n      if (typeof options.escapable === 'boolean') { componentRef.instance.escapable = options.escapable; }\n      if (typeof options.dismissable === 'boolean') { componentRef.instance.dismissable = options.dismissable; }\n      if (typeof options.customClass === 'string') { componentRef.instance.customClass = options.customClass; }\n      if (typeof options.backdrop === 'boolean') { componentRef.instance.backdrop = options.backdrop; }\n      if (typeof options.force === 'boolean') { componentRef.instance.force = options.force; }\n      if (typeof options.hideDelay === 'number') { componentRef.instance.hideDelay = options.hideDelay; }\n      if (typeof options.autostart === 'boolean') { componentRef.instance.autostart = options.autostart; }\n      if (typeof options.target === 'string') { componentRef.instance.target = options.target; }\n      if (typeof options.ariaLabel === 'string') { componentRef.instance.ariaLabel = options.ariaLabel; }\n      if (typeof options.ariaLabelledBy === 'string') { componentRef.instance.ariaLabelledBy = options.ariaLabelledBy; }\n      if (typeof options.ariaDescribedBy === 'string') { componentRef.instance.ariaDescribedBy = options.ariaDescribedBy; }\n      if (typeof options.refocus === 'boolean') { componentRef.instance.refocus = options.refocus; }\n\n      const domElem = (componentRef.hostView as EmbeddedViewRef<any>).rootNodes[0] as HTMLElement;\n      this._document.body.appendChild(domElem);\n\n      return componentRef.instance;\n    }\n  }\n\n  private _addEvents(): boolean {\n    if (!this.isBrowser) {\n      return false;\n    }\n\n    window.addEventListener(NgxSmartModalConfig.prefixEvent + 'create', ((e: CustomEvent) => {\n      this._initModal(e.detail.instance);\n    }) as EventListener);\n\n    window.addEventListener(NgxSmartModalConfig.prefixEvent + 'delete', ((e: CustomEvent) => {\n      this._deleteModal(e.detail.instance);\n    }) as EventListener);\n\n    window.addEventListener(NgxSmartModalConfig.prefixEvent + 'open', ((e: CustomEvent) => {\n      this._openModal(e.detail.instance.modal, e.detail.extraData.top);\n    }) as EventListener);\n\n    window.addEventListener(NgxSmartModalConfig.prefixEvent + 'toggle', ((e: CustomEvent) => {\n      this._toggleModal(e.detail.instance.modal, e.detail.extraData.top);\n    }) as EventListener);\n\n    window.addEventListener(NgxSmartModalConfig.prefixEvent + 'close', ((e: CustomEvent) => {\n      this._closeModal(e.detail.instance.modal);\n    }) as EventListener);\n\n    window.addEventListener(NgxSmartModalConfig.prefixEvent + 'dismiss', ((e: CustomEvent) => {\n      this._dismissModal(e.detail.instance.modal);\n    }) as EventListener);\n\n    window.addEventListener('keyup', this._escapeKeyboardEvent);\n\n    return true;\n  }\n\n  private _initModal(modalInstance: ModalInstance) {\n    modalInstance.modal.layerPosition += this.getModalStackCount();\n    this.addModal(modalInstance, modalInstance.modal.force);\n\n    if (modalInstance.modal.autostart) {\n      this.open(modalInstance.id);\n    }\n  }\n\n  private _openModal(modal: NgxSmartModalComponent, top?: boolean): boolean {\n    if (modal.visible) {\n      return false;\n    }\n\n    this.lastElementFocused = document.activeElement;\n\n    if (modal.escapable) {\n      window.addEventListener('keyup', this._escapeKeyboardEvent);\n    }\n\n    if (modal.backdrop) {\n      window.addEventListener('keydown', this._trapFocusModal);\n    }\n\n    if (top) {\n      modal.layerPosition = this.getHigherIndex();\n    }\n\n    modal.addBodyClass();\n    modal.overlayVisible = true;\n    modal.visible = true;\n    modal.onOpen.emit(modal);\n    modal.markForCheck();\n\n    setTimeout(() => {\n      modal.openedClass = true;\n\n      if (modal.target) {\n        modal.targetPlacement();\n      }\n\n      modal.nsmDialog.first.nativeElement.setAttribute('role', 'dialog');\n      modal.nsmDialog.first.nativeElement.setAttribute('tabIndex', '-1');\n      modal.nsmDialog.first.nativeElement.setAttribute('aria-modal', 'true');\n      modal.nsmDialog.first.nativeElement.focus();\n\n      modal.markForCheck();\n      modal.onOpenFinished.emit(modal);\n    });\n\n    return true;\n  }\n\n  private _toggleModal(modal: NgxSmartModalComponent, top?: boolean): boolean {\n    if (modal.visible) {\n      return this._closeModal(modal);\n    } else {\n      return this._openModal(modal, top);\n    }\n  }\n\n  private _closeModal(modal: NgxSmartModalComponent): boolean {\n    if (!modal.openedClass) {\n      return false;\n    }\n\n    modal.openedClass = false;\n    modal.onClose.emit(modal);\n    modal.onAnyCloseEvent.emit(modal);\n\n    if (this.getOpenedModals().length < 2) {\n      modal.removeBodyClass();\n      window.removeEventListener('keyup', this._escapeKeyboardEvent);\n      window.removeEventListener('keydown', this._trapFocusModal);\n    }\n\n    setTimeout(() => {\n      modal.visibleChange.emit(modal.visible);\n      modal.visible = false;\n      modal.overlayVisible = false;\n      modal.nsmDialog.first.nativeElement.removeAttribute('tabIndex');\n      modal.markForCheck();\n      modal.onCloseFinished.emit(modal);\n      modal.onAnyCloseEventFinished.emit(modal);\n      if (modal.refocus) {\n        this.lastElementFocused.focus();\n      }\n    }, modal.hideDelay);\n\n    return true;\n  }\n\n  private _dismissModal(modal: NgxSmartModalComponent): boolean {\n    if (!modal.openedClass) {\n      return false;\n    }\n\n    modal.openedClass = false;\n    modal.onDismiss.emit(modal);\n    modal.onAnyCloseEvent.emit(modal);\n\n    if (this.getOpenedModals().length < 2) {\n      modal.removeBodyClass();\n    }\n\n    setTimeout(() => {\n      modal.visible = false;\n      modal.visibleChange.emit(modal.visible);\n      modal.overlayVisible = false;\n      modal.markForCheck();\n      modal.onDismissFinished.emit(modal);\n      modal.onAnyCloseEventFinished.emit(modal);\n    }, modal.hideDelay);\n\n    return true;\n  }\n\n  private _deleteModal(modalInstance: ModalInstance) {\n    this.removeModal(modalInstance.id);\n\n    if (!this.getModalStack().length) {\n      modalInstance.modal.removeBodyClass();\n    }\n  }\n\n  /**\n   * Resolve content according to the types\n   * @param content The modal content (string, templateRef or Component)\n   */\n  private _resolveNgContent<T>(content: Content<T>): any[][] | Text[][] {\n    if (typeof content === 'string') {\n      const element = this._document.createTextNode(content);\n      return [[element]];\n    }\n\n    if (content instanceof TemplateRef) {\n      const viewRef = content.createEmbeddedView(null as any);\n      this.appRef.attachView(viewRef);\n      return [viewRef.rootNodes];\n    }\n\n    return [];\n  }\n\n  /**\n   * Close the latest opened modal if escape key event is emitted\n   * @param event The Keyboard Event\n   */\n  private _escapeKeyboardEvent = (event: KeyboardEvent) => {\n    if (event.key === 'Escape') {\n      try {\n        const modal = this.getTopOpenedModal();\n\n        if (!modal.escapable) {\n          return false;\n        }\n\n        modal.onEscape.emit(modal);\n        this.closeLatestModal();\n\n        return true;\n      } catch (e) {\n        return false;\n      }\n    }\n\n    return false;\n  }\n\n  /**\n   * Is current platform browser\n   */\n  private get isBrowser(): boolean {\n    return isPlatformBrowser(this._platformId);\n  }\n\n  /**\n   * While modal is open, the focus stay on it\n   * @param event The Keyboar dEvent\n   */\n  private _trapFocusModal = (event: KeyboardEvent) => {\n    if (event.key === 'Tab') {\n      try {\n        const modal = this.getTopOpenedModal();\n\n        if (!modal.nsmDialog.first.nativeElement.contains(document.activeElement)) {\n          event.preventDefault();\n          event.stopPropagation();\n          modal.nsmDialog.first.nativeElement.focus();\n        }\n\n        return true;\n      } catch (e) {\n        return false;\n      }\n    }\n\n    return false;\n  }\n\n  /**\n   * Remove dynamically created modal from DOM\n   */\n  private _destroyModal(modal: NgxSmartModalComponent): void {\n    // Prevent destruction of the inline modals\n    if (modal.createFrom !== 'service') {\n      return;\n    }\n\n    this._document.body.removeChild(modal.elementRef.nativeElement);\n  }\n\n  /**\n   * getter function to avoid circular dependency error\n   * @returns ApplicationRef instance\n   * */\n  private get appRef(): ApplicationRef {\n    return this._injector.get(ApplicationRef);\n  }\n}\n"]}