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@ngx-gallery/lightbox

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Angular gallery directive that hooks the lightbox with the images automatically.

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/** * @fileoverview added by tsickle * @suppress {checkTypes,extraRequire,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc */ import { Inject, Injectable, Optional } from '@angular/core'; import { ComponentPortal } from '@angular/cdk/portal'; import { Overlay } from '@angular/cdk/overlay'; import { LEFT_ARROW, RIGHT_ARROW, ESCAPE } from '@angular/cdk/keycodes'; import { Gallery } from '@ngx-gallery/core'; import { Subject } from 'rxjs'; import { LIGHTBOX_CONFIG } from './lightbox.model'; import { defaultConfig } from './lightbox.default'; import { LightboxComponent } from './lightbox.component'; export class Lightbox { /** * @param {?} config * @param {?} _gallery * @param {?} _overlay */ constructor(config, _gallery, _overlay) { this._gallery = _gallery; this._overlay = _overlay; /** * Stream that emits when lightbox is opened */ this.opened = new Subject(); /** * Stream that emits when lightbox is closed */ this.closed = new Subject(); this._config = config ? Object.assign({}, defaultConfig, config) : defaultConfig; } /** * Set Lightbox Config * @param {?} config - LightboxConfig * @return {?} */ setConfig(config) { this._config = Object.assign({}, this._config, config); } /** * Open Lightbox Overlay * @param {?=} i - Current Index * @param {?=} id - Gallery ID * @param {?=} config - Lightbox Config * @return {?} */ open(i = 0, id = 'lightbox', config) { /** @type {?} */ const _config = config ? Object.assign({}, this._config, config) : this._config; /** @type {?} */ const overlayConfig = { backdropClass: _config.backdropClass, panelClass: _config.panelClass, hasBackdrop: _config.hasBackdrop, positionStrategy: this._overlay.position().global().centerHorizontally().centerVertically(), scrollStrategy: this._overlay.scrollStrategies.block(), disposeOnNavigation: true }; /** @type {?} */ const galleryRef = this._gallery.ref(id); galleryRef.set(i); this._overlayRef = this._overlay.create(overlayConfig); // overlay opened event this._overlayRef.attachments().subscribe(() => this.opened.next(id)); // overlay closed event this._overlayRef.detachments().subscribe(() => this.closed.next(id)); // Attach gallery to the overlay /** @type {?} */ const galleryPortal = new ComponentPortal(LightboxComponent); /** @type {?} */ const lightboxRef = this._overlayRef.attach(galleryPortal); lightboxRef.instance.id = id; lightboxRef.instance.overlayRef = this._overlayRef; lightboxRef.instance.closeIcon = this._config.closeIcon; lightboxRef.instance.role = this._config.role; lightboxRef.instance.ariaLabel = this._config.ariaLabel; lightboxRef.instance.ariaLabelledBy = this._config.ariaLabelledBy; lightboxRef.instance.ariaDescribedBy = this._config.ariaDescribedBy; if (_config.hasBackdrop) { this._overlayRef.backdropClick().subscribe(() => this.close()); } // Add keyboard shortcuts if (_config.keyboardShortcuts) { this._overlayRef.keydownEvents().subscribe((event) => { switch (event.keyCode) { case LEFT_ARROW: galleryRef.prev(); break; case RIGHT_ARROW: galleryRef.next(); break; case ESCAPE: this.close(); } }); } } /** * Close Lightbox Overlay * @return {?} */ close() { if (this._overlayRef.hasAttached()) { this._overlayRef.detach(); } } } Lightbox.decorators = [ { type: Injectable } ]; /** @nocollapse */ Lightbox.ctorParameters = () => [ { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [LIGHTBOX_CONFIG,] }] }, { type: Gallery }, { type: Overlay } ]; if (false) { /** * Gallery overlay ref * @type {?} * @private */ Lightbox.prototype._overlayRef; /** * Global config * @type {?} * @private */ Lightbox.prototype._config; /** * Stream that emits when lightbox is opened * @type {?} */ Lightbox.prototype.opened; /** * Stream that emits when lightbox is closed * @type {?} */ Lightbox.prototype.closed; /** * @type {?} * @private */ Lightbox.prototype._gallery; /** * @type {?} * @private */ Lightbox.prototype._overlay; } //# 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{ ComponentRef, Inject, Injectable, Optional } from '@angular/core';\nimport { ComponentPortal } from '@angular/cdk/portal';\nimport { Overlay, OverlayRef, OverlayConfig } from '@angular/cdk/overlay';\nimport { LEFT_ARROW, RIGHT_ARROW, ESCAPE } from '@angular/cdk/keycodes';\nimport { Gallery } from '@ngx-gallery/core';\nimport { Subject } from 'rxjs';\n\nimport { LightboxConfig, LIGHTBOX_CONFIG } from './lightbox.model';\nimport { defaultConfig } from './lightbox.default';\nimport { LightboxComponent } from './lightbox.component';\n\n@Injectable()\nexport class Lightbox {\n\n  /** Gallery overlay ref */\n  private _overlayRef: OverlayRef;\n\n  /** Global config */\n  private _config: LightboxConfig;\n\n  /** Stream that emits when lightbox is opened */\n  opened = new Subject<string>();\n\n  /** Stream that emits when lightbox is closed */\n  closed = new Subject<string>();\n\n  constructor(@Optional() @Inject(LIGHTBOX_CONFIG) config: LightboxConfig, private _gallery: Gallery, private _overlay: Overlay) {\n    this._config = config ? {...defaultConfig, ...config} : defaultConfig;\n  }\n\n  /**\n   * Set Lightbox Config\n   * @param config - LightboxConfig\n   */\n  setConfig(config: LightboxConfig) {\n    this._config = {...this._config, ...config};\n  }\n\n  /**\n   * Open Lightbox Overlay\n   * @param i - Current Index\n   * @param id - Gallery ID\n   * @param config - Lightbox Config\n   */\n  open(i = 0, id = 'lightbox', config?: LightboxConfig) {\n\n    const _config = config ? {...this._config, ...config} : this._config;\n\n    const overlayConfig: OverlayConfig = {\n      backdropClass: _config.backdropClass,\n      panelClass: _config.panelClass,\n      hasBackdrop: _config.hasBackdrop,\n      positionStrategy: this._overlay.position().global().centerHorizontally().centerVertically(),\n      scrollStrategy: this._overlay.scrollStrategies.block(),\n      disposeOnNavigation: true\n    };\n\n    const galleryRef = this._gallery.ref(id);\n    galleryRef.set(i);\n\n    this._overlayRef = this._overlay.create(overlayConfig);\n\n    // overlay opened event\n    this._overlayRef.attachments().subscribe(() => this.opened.next(id));\n\n    // overlay closed event\n    this._overlayRef.detachments().subscribe(() => this.closed.next(id));\n\n    // Attach gallery to the overlay\n    const galleryPortal = new ComponentPortal(LightboxComponent);\n    const lightboxRef: ComponentRef<LightboxComponent> = this._overlayRef.attach(galleryPortal);\n\n    lightboxRef.instance.id = id;\n    lightboxRef.instance.overlayRef = this._overlayRef;\n    lightboxRef.instance.closeIcon = this._config.closeIcon;\n    lightboxRef.instance.role = this._config.role;\n    lightboxRef.instance.ariaLabel = this._config.ariaLabel;\n    lightboxRef.instance.ariaLabelledBy = this._config.ariaLabelledBy;\n    lightboxRef.instance.ariaDescribedBy = this._config.ariaDescribedBy;\n\n    if (_config.hasBackdrop) {\n      this._overlayRef.backdropClick().subscribe(() => this.close());\n    }\n\n    // Add keyboard shortcuts\n    if (_config.keyboardShortcuts) {\n      this._overlayRef.keydownEvents().subscribe((event: any) => {\n        switch (event.keyCode) {\n          case LEFT_ARROW:\n            galleryRef.prev();\n            break;\n          case RIGHT_ARROW:\n            galleryRef.next();\n            break;\n          case ESCAPE:\n            this.close();\n        }\n      });\n    }\n  }\n\n  /**\n   * Close Lightbox Overlay\n   */\n  close() {\n    if (this._overlayRef.hasAttached()) {\n      this._overlayRef.detach();\n    }\n  }\n}\n"]}