skgangaEkam/node_modules/@angular/material/esm2015/bottom-sheet/bottom-sheet.js

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { Directionality } from '@angular/cdk/bidi';
import { Overlay, OverlayConfig } from '@angular/cdk/overlay';
import { ComponentPortal, TemplatePortal } from '@angular/cdk/portal';
import { Injectable, Injector, Optional, SkipSelf, TemplateRef, InjectionToken, Inject, InjectFlags, } from '@angular/core';
import { of as observableOf } from 'rxjs';
import { MAT_BOTTOM_SHEET_DATA, MatBottomSheetConfig } from './bottom-sheet-config';
import { MatBottomSheetContainer } from './bottom-sheet-container';
import { MatBottomSheetModule } from './bottom-sheet-module';
import { MatBottomSheetRef } from './bottom-sheet-ref';
import * as i0 from "@angular/core";
import * as i1 from "@angular/cdk/overlay";
import * as i2 from "./bottom-sheet-module";
/** Injection token that can be used to specify default bottom sheet options. */
export const MAT_BOTTOM_SHEET_DEFAULT_OPTIONS = new InjectionToken('mat-bottom-sheet-default-options');
/**
 * Service to trigger Material Design bottom sheets.
 */
export class MatBottomSheet {
    constructor(_overlay, _injector, _parentBottomSheet, _defaultOptions) {
        this._overlay = _overlay;
        this._injector = _injector;
        this._parentBottomSheet = _parentBottomSheet;
        this._defaultOptions = _defaultOptions;
        this._bottomSheetRefAtThisLevel = null;
    }
    /** Reference to the currently opened bottom sheet. */
    get _openedBottomSheetRef() {
        const parent = this._parentBottomSheet;
        return parent ? parent._openedBottomSheetRef : this._bottomSheetRefAtThisLevel;
    }
    set _openedBottomSheetRef(value) {
        if (this._parentBottomSheet) {
            this._parentBottomSheet._openedBottomSheetRef = value;
        }
        else {
            this._bottomSheetRefAtThisLevel = value;
        }
    }
    open(componentOrTemplateRef, config) {
        const _config = _applyConfigDefaults(this._defaultOptions || new MatBottomSheetConfig(), config);
        const overlayRef = this._createOverlay(_config);
        const container = this._attachContainer(overlayRef, _config);
        const ref = new MatBottomSheetRef(container, overlayRef);
        if (componentOrTemplateRef instanceof TemplateRef) {
            container.attachTemplatePortal(new TemplatePortal(componentOrTemplateRef, null, {
                $implicit: _config.data,
                bottomSheetRef: ref
            }));
        }
        else {
            const portal = new ComponentPortal(componentOrTemplateRef, undefined, this._createInjector(_config, ref));
            const contentRef = container.attachComponentPortal(portal);
            ref.instance = contentRef.instance;
        }
        // When the bottom sheet is dismissed, clear the reference to it.
        ref.afterDismissed().subscribe(() => {
            // Clear the bottom sheet ref if it hasn't already been replaced by a newer one.
            if (this._openedBottomSheetRef == ref) {
                this._openedBottomSheetRef = null;
            }
        });
        if (this._openedBottomSheetRef) {
            // If a bottom sheet is already in view, dismiss it and enter the
            // new bottom sheet after exit animation is complete.
            this._openedBottomSheetRef.afterDismissed().subscribe(() => ref.containerInstance.enter());
            this._openedBottomSheetRef.dismiss();
        }
        else {
            // If no bottom sheet is in view, enter the new bottom sheet.
            ref.containerInstance.enter();
        }
        this._openedBottomSheetRef = ref;
        return ref;
    }
    /**
     * Dismisses the currently-visible bottom sheet.
     * @param result Data to pass to the bottom sheet instance.
     */
    dismiss(result) {
        if (this._openedBottomSheetRef) {
            this._openedBottomSheetRef.dismiss(result);
        }
    }
    ngOnDestroy() {
        if (this._bottomSheetRefAtThisLevel) {
            this._bottomSheetRefAtThisLevel.dismiss();
        }
    }
    /**
     * Attaches the bottom sheet container component to the overlay.
     */
    _attachContainer(overlayRef, config) {
        const userInjector = config && config.viewContainerRef && config.viewContainerRef.injector;
        const injector = Injector.create({
            parent: userInjector || this._injector,
            providers: [{ provide: MatBottomSheetConfig, useValue: config }]
        });
        const containerPortal = new ComponentPortal(MatBottomSheetContainer, config.viewContainerRef, injector);
        const containerRef = overlayRef.attach(containerPortal);
        return containerRef.instance;
    }
    /**
     * Creates a new overlay and places it in the correct location.
     * @param config The user-specified bottom sheet config.
     */
    _createOverlay(config) {
        const overlayConfig = new OverlayConfig({
            direction: config.direction,
            hasBackdrop: config.hasBackdrop,
            disposeOnNavigation: config.closeOnNavigation,
            maxWidth: '100%',
            scrollStrategy: config.scrollStrategy || this._overlay.scrollStrategies.block(),
            positionStrategy: this._overlay.position().global().centerHorizontally().bottom('0')
        });
        if (config.backdropClass) {
            overlayConfig.backdropClass = config.backdropClass;
        }
        return this._overlay.create(overlayConfig);
    }
    /**
     * Creates an injector to be used inside of a bottom sheet component.
     * @param config Config that was used to create the bottom sheet.
     * @param bottomSheetRef Reference to the bottom sheet.
     */
    _createInjector(config, bottomSheetRef) {
        const userInjector = config && config.viewContainerRef && config.viewContainerRef.injector;
        const providers = [
            { provide: MatBottomSheetRef, useValue: bottomSheetRef },
            { provide: MAT_BOTTOM_SHEET_DATA, useValue: config.data }
        ];
        if (config.direction && (!userInjector ||
            !userInjector.get(Directionality, null, InjectFlags.Optional))) {
            providers.push({
                provide: Directionality,
                useValue: { value: config.direction, change: observableOf() }
            });
        }
        return Injector.create({ parent: userInjector || this._injector, providers });
    }
}
MatBottomSheet.ɵprov = i0.ɵɵdefineInjectable({ factory: function MatBottomSheet_Factory() { return new MatBottomSheet(i0.ɵɵinject(i1.Overlay), i0.ɵɵinject(i0.INJECTOR), i0.ɵɵinject(MatBottomSheet, 12), i0.ɵɵinject(MAT_BOTTOM_SHEET_DEFAULT_OPTIONS, 8)); }, token: MatBottomSheet, providedIn: i2.MatBottomSheetModule });
MatBottomSheet.decorators = [
    { type: Injectable, args: [{ providedIn: MatBottomSheetModule },] }
];
MatBottomSheet.ctorParameters = () => [
    { type: Overlay },
    { type: Injector },
    { type: MatBottomSheet, decorators: [{ type: Optional }, { type: SkipSelf }] },
    { type: MatBottomSheetConfig, decorators: [{ type: Optional }, { type: Inject, args: [MAT_BOTTOM_SHEET_DEFAULT_OPTIONS,] }] }
];
/**
 * Applies default options to the bottom sheet config.
 * @param defaults Object containing the default values to which to fall back.
 * @param config The configuration to which the defaults will be applied.
 * @returns The new configuration object with defaults applied.
 */
function _applyConfigDefaults(defaults, config) {
    return Object.assign(Object.assign({}, defaults), config);
}
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* @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {Directionality} from '@angular/cdk/bidi';\nimport {Overlay, OverlayConfig, OverlayRef} from '@angular/cdk/overlay';\nimport {ComponentPortal, ComponentType, TemplatePortal} from '@angular/cdk/portal';\nimport {\n  ComponentRef,\n  Injectable,\n  Injector,\n  Optional,\n  SkipSelf,\n  TemplateRef,\n  InjectionToken,\n  Inject,\n  OnDestroy,\n  StaticProvider,\n  InjectFlags,\n} from '@angular/core';\nimport {of as observableOf} from 'rxjs';\nimport {MAT_BOTTOM_SHEET_DATA, MatBottomSheetConfig} from './bottom-sheet-config';\nimport {MatBottomSheetContainer} from './bottom-sheet-container';\nimport {MatBottomSheetModule} from './bottom-sheet-module';\nimport {MatBottomSheetRef} from './bottom-sheet-ref';\n\n\n/** Injection token that can be used to specify default bottom sheet options. */\nexport const MAT_BOTTOM_SHEET_DEFAULT_OPTIONS =\n    new InjectionToken<MatBottomSheetConfig>('mat-bottom-sheet-default-options');\n\n/**\n * Service to trigger Material Design bottom sheets.\n */\n@Injectable({providedIn: MatBottomSheetModule})\nexport class MatBottomSheet implements OnDestroy {\n  private _bottomSheetRefAtThisLevel: MatBottomSheetRef<any> | null = null;\n\n  /** Reference to the currently opened bottom sheet. */\n  get _openedBottomSheetRef(): MatBottomSheetRef<any> | null {\n    const parent = this._parentBottomSheet;\n    return parent ? parent._openedBottomSheetRef : this._bottomSheetRefAtThisLevel;\n  }\n\n  set _openedBottomSheetRef(value: MatBottomSheetRef<any> | null) {\n    if (this._parentBottomSheet) {\n      this._parentBottomSheet._openedBottomSheetRef = value;\n    } else {\n      this._bottomSheetRefAtThisLevel = value;\n    }\n  }\n\n  constructor(\n      private _overlay: Overlay,\n      private _injector: Injector,\n      @Optional() @SkipSelf() private _parentBottomSheet: MatBottomSheet,\n      @Optional() @Inject(MAT_BOTTOM_SHEET_DEFAULT_OPTIONS)\n          private _defaultOptions?: MatBottomSheetConfig) {}\n\n  /**\n   * Opens a bottom sheet containing the given component.\n   * @param component Type of the component to load into the bottom sheet.\n   * @param config Extra configuration options.\n   * @returns Reference to the newly-opened bottom sheet.\n   */\n  open<T, D = any, R = any>(component: ComponentType<T>,\n                   config?: MatBottomSheetConfig<D>): MatBottomSheetRef<T, R>;\n\n  /**\n   * Opens a bottom sheet containing the given template.\n   * @param template TemplateRef to instantiate as the bottom sheet content.\n   * @param config Extra configuration options.\n   * @returns Reference to the newly-opened bottom sheet.\n   */\n  open<T, D = any, R = any>(template: TemplateRef<T>,\n                   config?: MatBottomSheetConfig<D>): MatBottomSheetRef<T, R>;\n\n  open<T, D = any, R = any>(componentOrTemplateRef: ComponentType<T> | TemplateRef<T>,\n                   config?: MatBottomSheetConfig<D>): MatBottomSheetRef<T, R> {\n\n    const _config =\n        _applyConfigDefaults(this._defaultOptions || new MatBottomSheetConfig(), config);\n    const overlayRef = this._createOverlay(_config);\n    const container = this._attachContainer(overlayRef, _config);\n    const ref = new MatBottomSheetRef<T, R>(container, overlayRef);\n\n    if (componentOrTemplateRef instanceof TemplateRef) {\n      container.attachTemplatePortal(new TemplatePortal<T>(componentOrTemplateRef, null!, {\n        $implicit: _config.data,\n        bottomSheetRef: ref\n      } as any));\n    } else {\n      const portal = new ComponentPortal(componentOrTemplateRef, undefined,\n            this._createInjector(_config, ref));\n      const contentRef = container.attachComponentPortal(portal);\n      ref.instance = contentRef.instance;\n    }\n\n    // When the bottom sheet is dismissed, clear the reference to it.\n    ref.afterDismissed().subscribe(() => {\n      // Clear the bottom sheet ref if it hasn't already been replaced by a newer one.\n      if (this._openedBottomSheetRef == ref) {\n        this._openedBottomSheetRef = null;\n      }\n    });\n\n    if (this._openedBottomSheetRef) {\n      // If a bottom sheet is already in view, dismiss it and enter the\n      // new bottom sheet after exit animation is complete.\n      this._openedBottomSheetRef.afterDismissed().subscribe(() => ref.containerInstance.enter());\n      this._openedBottomSheetRef.dismiss();\n    } else {\n      // If no bottom sheet is in view, enter the new bottom sheet.\n      ref.containerInstance.enter();\n    }\n\n    this._openedBottomSheetRef = ref;\n\n    return ref;\n  }\n\n  /**\n   * Dismisses the currently-visible bottom sheet.\n   * @param result Data to pass to the bottom sheet instance.\n   */\n  dismiss<R = any>(result?: R): void {\n    if (this._openedBottomSheetRef) {\n      this._openedBottomSheetRef.dismiss(result);\n    }\n  }\n\n  ngOnDestroy() {\n    if (this._bottomSheetRefAtThisLevel) {\n      this._bottomSheetRefAtThisLevel.dismiss();\n    }\n  }\n\n  /**\n   * Attaches the bottom sheet container component to the overlay.\n   */\n  private _attachContainer(overlayRef: OverlayRef,\n                           config: MatBottomSheetConfig): MatBottomSheetContainer {\n\n    const userInjector = config && config.viewContainerRef && config.viewContainerRef.injector;\n    const injector = Injector.create({\n      parent: userInjector || this._injector,\n      providers: [{provide: MatBottomSheetConfig, useValue: config}]\n    });\n\n    const containerPortal =\n        new ComponentPortal(MatBottomSheetContainer, config.viewContainerRef, injector);\n    const containerRef: ComponentRef<MatBottomSheetContainer> = overlayRef.attach(containerPortal);\n    return containerRef.instance;\n  }\n\n  /**\n   * Creates a new overlay and places it in the correct location.\n   * @param config The user-specified bottom sheet config.\n   */\n  private _createOverlay(config: MatBottomSheetConfig): OverlayRef {\n    const overlayConfig = new OverlayConfig({\n      direction: config.direction,\n      hasBackdrop: config.hasBackdrop,\n      disposeOnNavigation: config.closeOnNavigation,\n      maxWidth: '100%',\n      scrollStrategy: config.scrollStrategy || this._overlay.scrollStrategies.block(),\n      positionStrategy: this._overlay.position().global().centerHorizontally().bottom('0')\n    });\n\n    if (config.backdropClass) {\n      overlayConfig.backdropClass = config.backdropClass;\n    }\n\n    return this._overlay.create(overlayConfig);\n  }\n\n  /**\n   * Creates an injector to be used inside of a bottom sheet component.\n   * @param config Config that was used to create the bottom sheet.\n   * @param bottomSheetRef Reference to the bottom sheet.\n   */\n  private _createInjector<T>(config: MatBottomSheetConfig,\n                             bottomSheetRef: MatBottomSheetRef<T>): Injector {\n\n    const userInjector = config && config.viewContainerRef && config.viewContainerRef.injector;\n    const providers: StaticProvider[] = [\n      {provide: MatBottomSheetRef, useValue: bottomSheetRef},\n      {provide: MAT_BOTTOM_SHEET_DATA, useValue: config.data}\n    ];\n\n    if (config.direction && (!userInjector ||\n      !userInjector.get<Directionality | null>(Directionality, null, InjectFlags.Optional))) {\n      providers.push({\n        provide: Directionality,\n        useValue: {value: config.direction, change: observableOf()}\n      });\n    }\n\n    return Injector.create({parent: userInjector || this._injector, providers});\n  }\n}\n\n/**\n * Applies default options to the bottom sheet config.\n * @param defaults Object containing the default values to which to fall back.\n * @param config The configuration to which the defaults will be applied.\n * @returns The new configuration object with defaults applied.\n */\nfunction _applyConfigDefaults(defaults: MatBottomSheetConfig,\n                              config?: MatBottomSheetConfig): MatBottomSheetConfig {\n  return {...defaults, ...config};\n}\n"]}