NgxGallery

A simple native gallery component for Angular 8+.

Demo

Demo is here demo

Working code for this demo at stackblitz example

Getting Started

Installation

Install via npm package manager

npm install @kolkov/ngx-gallery --save

Versions

1.x.x and above - for Angular v8+

Usage

Import ngx-gallery module

import { HttpClientModule} from '@angular/common/http';
import { NgxGalleryModule } from '@kolkov/ngx-gallery';

@NgModule({
  imports: [ HttpClientModule, NgxGalleryModule ]
})

Then in HTML

<ngx-gallery [options]="galleryOptions" [images]="galleryImages" class="ngx-gallery"></ngx-gallery>

where

import {Component, OnInit} from '@angular/core';
import {NgxGalleryOptions} from '@kolkov/ngx-gallery';
import {NgxGalleryImage} from '@kolkov/ngx-gallery';
import {NgxGalleryAnimation} from '@kolkov/ngx-gallery';

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.scss']
})
export class AppComponent implements OnInit{
  galleryOptions: NgxGalleryOptions[];
  galleryImages: NgxGalleryImage[];

  constructor() { }

  ngOnInit() {
    this.galleryOptions = [
      {
        width: '600px',
        height: '400px',
        thumbnailsColumns: 4,
        imageAnimation: NgxGalleryAnimation.Slide
      },
      // max-width 800
      {
        breakpoint: 800,
        width: '100%',
        height: '600px',
        imagePercent: 80,
        thumbnailsPercent: 20,
        thumbnailsMargin: 20,
        thumbnailMargin: 20
      },
      // max-width 400
      {
        breakpoint: 400,
        preview: false
      }
    ];

    this.galleryImages = [
      {
        small: 'assets/img/gallery/1-small.jpeg',
        medium: 'assets/img/gallery/1-medium.jpeg',
        big: 'assets/img/gallery/1-big.jpeg'
      },
      {
        small: 'assets/img/gallery/2-small.jpeg',
        medium: 'assets/img/gallery/2-medium.jpeg',
        big: 'assets/img/gallery/2-big.jpeg'
      },
      {
        small: 'assets/img/gallery/3-small.jpeg',
        medium: 'assets/img/gallery/3-medium.jpeg',
        big: 'assets/img/gallery/3-big.jpeg'
      },{
        small: 'assets/img/gallery/4-small.jpeg',
        medium: 'assets/img/gallery/4-medium.jpeg',
        big: 'assets/img/gallery/4-big.jpeg'
      },
      {
        small: 'assets/img/gallery/5-small.jpeg',
        medium: 'assets/img/gallery/5-medium.jpeg',
        big: 'assets/img/gallery/5-big.jpeg'
      }
    ];
  }
}

add this class to app CSS .ngx-gallery { display: inline-block; margin-bottom: 20px; }

API

Inputs

| Input | Type | Default | Required | Description | | ------------- | ------------- | ------------- | ------------- | ------------- | | [options] | NgxGalleryOptions[] | - | no | Config options for the Gallery | | [images] | NgxGalleryImage[] | - | no | Images array |

Outputs

| Output | Description | | ------------- | ------------- | | (change) | Triggered on image change | | (imagesReady) | Triggered when images length > 0 | | (previewOpen) | Triggered on preview open | | (previewClose) | Triggered on preview close | | (previewChange) | Triggered on preview image change |

Methods

Name | Description | | ------------- | ------------- | | show(index: number): void | Shows image at index | | showNext(): void | Shows next image | | showPrev(): void | Shows prev image | | canShowNext(): boolean | Returns true if there is next image | | canShowPrev(): boolean | Returns true if there is prev image | | openPreview(index: number): void | Opens preview at index | | moveThumbnailsLeft(): void | Moves thumbnails to left | | moveThumbnailsRight(): void | Moves thumbnails to right | | canMoveThumbnailsLeft(): boolean | Returns true if you can move thumbnails to left | | canMoveThumbnailsRight(): boolean | Returns true if you can move thumbnails to right |

NgxGalleryOptions

Layout options

| Input | Type | Default | Required | Description | | ------------- | ------------- | ------------- | ------------- | ------------- | | width | string | 500px | no | Gallery width | | height | string | 400px | no | Gallery height | | breakpoint | number | undefined | no | Responsive breakpoint, works like media query max-width | | fullWidth | bolean | false | no | Sets the same width as browser | | layout | string | NgxGalleryLayout.Bottom | no | Sets thumbnails position | | startIndex | number | 0 | no | Sets index of selected image on start | | linkTarget | string | _blank | no | Sets target attribute of link | | lazyLoading | boolean | true | no | Enables/disables lazy loading for images |

Image options

| Input | Type | Default | Required | Description | | ------------- | ------------- | ------------- | ------------- | ------------- | | image | boolean | true | no | Enables or disables image | | imageDescription | boolean | true | no | Enables or disables description for images | | imagePercent | number | 75 | no | Percentage height | | imageArrows | boolean | true | no | Enables or disables arrows | | imageArrowsAutoHide | boolean | false | no | Enables or disables arrows auto hide | | imageSwipe | boolean | false | no | Enables or disables swipe | | imageAnimation | string | NgxGalleryAnimation.Fade | no | Animation type | | imageSize | string | NgxGalleryImageSize.Cover | no | Image size | | imageAutoPlay | boolean | false | no | Enables or disables auto play | | imageAutoPlayInterval | number | 2000 | no | Interval for auto play (ms) | | imageAutoPlayPauseOnHover | boolean | false | no | Enables or disables pause auto play on hover | | imageInfinityMove | boolean | false | no | Enables or disables infinity move by arrows | | imageActions | NgxGalleryAction[] | [] | no | Enables or disables navigation bullets |

Thumbnails options

| Input | Type | Default | Required | Description | | ------------- | ------------- | ------------- | ------------- | ------------- | | thumbnails | boolean | true | no | Enables or disables thumbnails | | thumbnailsColumns | number | 4 | no | Columns count | | thumbnailsRows | number | 1 | no | Rows count | | thumbnailsPercent | number | 25 | no | Percentage height | | thumbnailsMargin | number | 10 | no | Margin between thumbnails and image | | thumbnailsArrows | boolean | true | no | Enables or disables arrows | | thumbnailsArrowsAutoHide | boolean | false | no | Enables or disables arrows auto hide | | thumbnailsSwipe | boolean | false | no | Enables or disables swipe | | thumbnailsMoveSize | number | 1 | no | Number of items to move on arrow click | | thumbnailsOrder | number | NgxGalleryOrder.Column | no | Images order | | thumbnailsRemainingCount | boolean | false | no | If true arrows are disabled and last item has label with remaining count | | thumbnailsAsLinks | boolean | false | no | Enables or disables links on thumbnails | | thumbnailsAutoHide | boolean | false | no | Hides thumbnails if there is only one image | | thumbnailMargin | number | 10 | no | Margin between images in thumbnails | | thumbnailSize | string | NgxGalleryImageSize.Cover | no | Thumbnail size | | thumbnailActions | NgxGalleryAction[] | [] | no | Array of custom actions |

Preview options

| Input | Type | Default | Required | Description | | ------------- | ------------- | ------------- | ------------- | ------------- | | preview | boolean | true | no | Enables or disables preview | | previewDescription | boolean | true | no | Enables or disables description for images | | previewArrows | boolean | true | no | Enables or disables arrows | | previewArrowsAutoHide | boolean: string | false | no | Enables or disables arrows auto hide | | previewSwipe | boolean | false | no | Enables or disables swipe | | previewFullscreen | boolean | false | no | Enables or disables fullscreen icon | | previewForceFullscreen | boolean | false | no | Enables or disables opening preview in fullscreen mode | | previewCloseOnClick | boolean | false | no | Enables or disables closing preview by click | | previewCloseOnEsc | boolean | false | no | Enables or disables closing preview by esc keyboard | | previewKeyboardNavigation | boolean | false | no | Enables or disables navigation by keyboard | | previewAnimation | boolean | true | no | Enables or disables image loading animation | | previewAutoPlay | boolean | false | no | Enables or disables auto play | | previewAutoPlayInterval | number | 2000 | no | Interval for auto play (ms) | | previewAutoPlayPauseOnHover | boolean | false | no | Enables or disables pouse auto play on hover | | previewInfinityMove | boolean | false | no | Enables or disables infinity move by arrows | | previewZoom | boolean | false | no | Enables or disables zoom in and zoom out | | previewZoomStep | number | 0.1 | no | Step for zoom change | | previewZoomMax | number | 2 | no | Max value for zoom | | previewZoomMin | number | 0.5 | no | Min value for zoom | | previewRotate | boolean | false | no | Enables or disables rotate buttons | | previewDownload | boolean | false | no | Enables or disables download button | | previewBullets | boolean | false | no | Enables or disables navigation bullets |

Icons options

| Input | Type | Default | Required | Description | | ------------- | ------------- | ------------- | ------------- | ------------- | | arrowPrevIcon | string | 'fa fa-arrow-circle-left' | no | Icon for prev arrow | | arrowNextIcon | string | 'fa fa-arrow-circle-right' | no | Icon for next arrow | | closeIcon | string | 'fa fa-times-circle' | no | Icon for close button | | fullscreenIcon | string | 'fa fa-arrows-alt' | no | Icon for fullscreen button | | spinnerIcon | string | 'fa fa-spinner fa-pulse fa-3x fa-fw' | no | Icon for spinner | | zoomInIcon | string | 'fa fa-search-plus' | no | Icon for zoom in | | zoomOutIcon | string | 'fa fa-search-minus' | no | Icon for zoom out | | rotateLeftIcon | string | 'fa fa-undo' | no | Icon for rotate left | | rotateRightIcon | string | 'fa fa-repeat' | no | Icon for rotate right | | downloadIcon | string | 'fa fa-arrow-circle-down' | no | Icon for download | | actions | NgxGalleryAction[] | [] | no | Array of new custom actions that will be added to the left of the current close/zoom/fullscreen icons |

NgxGalleryImage

| Input | Type | Default | Required | Description | | ------------- | ------------- | ------------- | ------------- | ------------- | | small | string/SafeResourceUrl | - | no | Url used in thumbnails | | medium | string/SafeResourceUrl | - | no | Url used in image | | big | string/SafeResourceUrl | - | yes | Url used in preview | | description | string | - | no | Description used in preview | | url | string | - | no | Url used in link | | label | string | - | no | Label used for aria-label when thumbnail is a link |

NgxGalleryAnimation

• Fade (default)
• Slide
• Rotate
• Zoom

NgxGalleryImageSize

• Cover (default)
• Contain

NgxGalleryLayout

• Top
• Bottom (default)

NgxGalleryOrder

• Column (default)
• Row
• Page

NgxGalleryAction

• icon | Type: string - icon for custom action
• disabled | Type: boolean | Default value: false - if the icon should be disabled
• titleText | Type: string | Default value: '' - text to set the title attribute to
• onClick | Type: (event: Event, index: number) => void - Output function to call when custom action icon is clicked

What's included

Within the download you'll find the following directories and files. You'll see something like this:

ngx-gallery/
└── projects/
    ├── gallery/
    └── gallery-app/

gallery/ - library

gallery-app/ - demo application

Contributing

Please read through our contributing guidelines. Included are directions for opening issues, coding standards, and notes on development.

Editor preferences are available in the editor config for easy use in common text editors. Read more and download plugins at http://editorconfig.org.

Versioning

For transparency into our release cycle and in striving to maintain backward compatibility, NgxGallery is maintained under the Semantic Versioning guidelines.

See the Releases section of our project for changelogs for each release version.

Creators

Andrey Kolkov

• https://github.com/kolkov

Credits

This library is being fully rewritten for next Angular versions from original abandoned library written by Łukasz Gałka. I maintained full compatibility with the original library at the api level. https://github.com/lukasz-galka/ngx-gallery

Donate

If you like my work, and I save your time you can buy me a :beer: or :pizza: