@ngx-gallery/lightbox
Version:
Angular gallery directive that hooks the lightbox with the images automatically.
182 lines • 15.1 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
import * as tslib_1 from "tslib";
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';
var Lightbox = /** @class */ (function () {
function Lightbox(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 ? tslib_1.__assign({}, defaultConfig, config) : defaultConfig;
}
/**
* Set Lightbox Config
* @param config - LightboxConfig
*/
/**
* Set Lightbox Config
* @param {?} config - LightboxConfig
* @return {?}
*/
Lightbox.prototype.setConfig = /**
* Set Lightbox Config
* @param {?} config - LightboxConfig
* @return {?}
*/
function (config) {
this._config = tslib_1.__assign({}, this._config, config);
};
/**
* Open Lightbox Overlay
* @param i - Current Index
* @param id - Gallery ID
* @param config - Lightbox Config
*/
/**
* Open Lightbox Overlay
* @param {?=} i - Current Index
* @param {?=} id - Gallery ID
* @param {?=} config - Lightbox Config
* @return {?}
*/
Lightbox.prototype.open = /**
* Open Lightbox Overlay
* @param {?=} i - Current Index
* @param {?=} id - Gallery ID
* @param {?=} config - Lightbox Config
* @return {?}
*/
function (i, id, config) {
var _this = this;
if (i === void 0) { i = 0; }
if (id === void 0) { id = 'lightbox'; }
/** @type {?} */
var _config = config ? tslib_1.__assign({}, this._config, config) : this._config;
/** @type {?} */
var 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 {?} */
var galleryRef = this._gallery.ref(id);
galleryRef.set(i);
this._overlayRef = this._overlay.create(overlayConfig);
// overlay opened event
this._overlayRef.attachments().subscribe(function () { return _this.opened.next(id); });
// overlay closed event
this._overlayRef.detachments().subscribe(function () { return _this.closed.next(id); });
// Attach gallery to the overlay
/** @type {?} */
var galleryPortal = new ComponentPortal(LightboxComponent);
/** @type {?} */
var 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(function () { return _this.close(); });
}
// Add keyboard shortcuts
if (_config.keyboardShortcuts) {
this._overlayRef.keydownEvents().subscribe(function (event) {
switch (event.keyCode) {
case LEFT_ARROW:
galleryRef.prev();
break;
case RIGHT_ARROW:
galleryRef.next();
break;
case ESCAPE:
_this.close();
}
});
}
};
/**
* Close Lightbox Overlay
*/
/**
* Close Lightbox Overlay
* @return {?}
*/
Lightbox.prototype.close = /**
* Close Lightbox Overlay
* @return {?}
*/
function () {
if (this._overlayRef.hasAttached()) {
this._overlayRef.detach();
}
};
Lightbox.decorators = [
{ type: Injectable }
];
/** @nocollapse */
Lightbox.ctorParameters = function () { return [
{ type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [LIGHTBOX_CONFIG,] }] },
{ type: Gallery },
{ type: Overlay }
]; };
return Lightbox;
}());
export { Lightbox };
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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{...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"]}