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angular-flickity

3.1.4 • Public • Published

Angular Flickity

angular-flickity

MIT License Coverage Status NPM version CircleCI

An AngularJS module that exposes a directive and service to create and control multiple Flickity instances.

📺 Demos and Examples

Flickity by Metafizzy

Comments and pull requests welcome!

Contents

Installation

Dependencies

NPM

npm install flickity --save
npm install flickity-imagesloaded --save # if using the imagesloaded option 
npm install flickity-bg-lazyload --save # if using the bg-lazyload option 
npm install angular-flickity --save

Bower

bower install flickity --save
bower install flickity-imagesloaded --save # if using the imagesloaded option 
bower install flickity-bg-lazyload --save # if using the bg-lazyload option 
bower install angular-flickity --save

Include the scripts

Include Flickity (and flickity-imagesloaded/flickity-bg-lazyload if needed):

Webpack

import Flickity from 'flickity';
import 'flickity-imagesloaded';
import 'flickity-bg-lazyload';
import 'angular-flickity';

angular.module('myProject', ['bc.Flickity']);

Manually

<!-- Include the module -->
<script src="path/to/lib/flickity.js"></script>
<script src="path/to/lib/flickity-imagesloaded.js"></script>
<script src="path/to/lib/flickity-bg-lazyload.js"></script>
<script src="path/to/angular-flickity/dist/angular-flickity.js"></script>
Note when using Flickity via bower

In my experience, including Flickity through bower often doesn't work out of the box. By default, bower pulls in the unpackaged files as the Flickity bower.json specifies rather than packaged files which seems to be what we need.

The trick is to specify which files bower should use in your own bower.json.

// inside your bower.json specify which Flickity files to use
{
  "name": "myProject",
  "overrides": {
    "flickity": {
      "main": [
        "dist/flickity.pkgd.js",
        "dist/flickity.min.css"
      ]
    }
  }
}

Usage

Include bc.Flickity as a dependency in your project.

angular.module('YourModule', ['bc.Flickity']);

Use the directive on the parent element containing your slides.

<!-- Define the gallery: -->
<div
  bc-flickity="{{ vm.flickityOptions }}"
  id="myCustomId"
>
  <figure class="demo__slide" data-ng-repeat="slide in vm.slides">
      <img data-ng-src="{{ slide }}" alt="" />
  </figure>
</div>
 
<!-- Define the previous button (optional): -->
<button
  bc-flickity-previous
  bc-flickity-id="myCustomId"
>Previous</button>
 
<!-- Define the next button (optional): -->
<button
  bc-flickity-next
  bc-flickity-id="myCustomId"
>Next</button>

Options

This module supports all options for Flickity version 2.0.5. A full list of options can be found here: Flickity Options.

Simply pass in an object containing any options you'd like to set.

// ES5 example
angular.module('myModule')
  .controller('MyController', ($scope) => {
 
    $scope.myCustomOptions = {
      cellSelector: '.mySlideClassName',
      initialIndex: 3,
      prevNextButtons: false,
    };
 
  })
;
 
 
// ES6 example
export class MyController {
  constructor() {
 
    this.flickityOptions = {
      cellSelector: '.mySlideClassName',
      initialIndex: 3,
      prevNextButtons: false,
    };
 
  }
}

my.template.html:

<!-- In your template -->
<div bc-flickity="{{ myCustomOptions }}">
  <div class="mySlideClassName"></div>
  <div class="mySlideClassName"></div>
  ...
</div>

ID

The FlickityService uses IDs to manage multiple instances of the directive. An ID is automatically created and assigned at initialization. However, at times you may need to access your instances in a programmatic way. There are two ways for IDs to be defined by your module.

Element ID

If the element containing the bc-flickity directive has an ID attribute, the value will be used to create the ID.

<!-- This instance would have the ID of `foo` -->
<div
  bc-flickity="{{ myCustomOptions }}"
  id="foo"
>
  <!-- slides -->
</div>

Explicitly Define

At times, you may not be able to use an element ID (or simply prefer not to). In those cases you can pass the ID in directly as a string using bc-flickity-id.

<!--  This instance would have the ID of `bar` -->
<div
  bc-flickity="{{ myCustomOptions }}"
  bc-flickity-id="bar"
>
  <!-- slides -->
</div>

Global Defaults

This module exposes FlickityConfigProvider which can be used to set project-wide defaults for Flickity. Simply set any options here using options that match the original Flickity options.

// ES6 Config Example
export function config(FlickityConfigProvider) {
    'ngInject';
 
    FlickityConfigProvider.prevNextButtons = true;
    FlickityConfigProvider.setGallerySize = false;
 
}
// ES5 Config Example
angular.module('myModule')
    .config((FlickityConfigProvider) => {
        'ngInject';
 
        FlickityConfigProvider.prevNextButtons = true;
        FlickityConfigProvider.setGallerySize = false;
 
    })
;

Directives

bc-flickity

The directive bc-flickity creates the Flickity gallery.

<div bc-flickity>
  <!-- slides -->
</div>

You may optionally pass an options object to the directive. User defined options will override any default options.

<div bc-flickity="{{ vm.flickityOptions }}">
  <!-- slides -->
</div>

Learn more about angular-flickity options & Flickity options documentation

bc-flickity-next

The directive bc-flickity-next is provided to call the next() method on a Flickity instance.

<button bc-flickity-next>Next</button>

Multiple Instances

If you need to support multiple Flickity instances in a single view you can specify an instance ID that the control should be linked to.

<button
  bc-flickity-next
  bc-flickity-id="customId"
>Next</button>

More on setting the ID using a directive or service.

If no ID is set, the directive will assume that only one instance exists and grab the ID from the first instance.

Looping

This directive accepts an optional parameter to control the looping. If true and at the last cell when clicked, Flickity will loop back to the first cell. If false, it will do nothing when clicked at the last cell.

<button bc-flickity-next="true">Next</button>

Disabled

When the last cell is reached, the disabled attribute will be added to the element. The disabled attribute will not be added if either of these conditions are met:

  • The associated gallery has wrapAround set to true.
  • The directive has true passed in as the optional parameter (which overrides the default options).

bc-flickity-previous

The directive bc-flickity-previous is provided to call the previous() method on the Flickity instance.

<button bc-flickity-previous>Previous</button>

Multiple Instances

If you need to support multiple Flickity instances in a single view you can specify an instance ID that the control should be linked to.

<button
  bc-flickity-next
  bc-flickity-id="customId"
>Next</button>

More on setting the ID using a directive or service.

If no ID is set, the directive will assume that only one instance exists and grab the ID from the first instance.

Looping

This directive accepts an optional parameter to control the looping. If true and at the first cell when clicked, Flickity will loop around to the last cell. If false, it will do nothing when clicked at the first cell.

<button bc-flickity-previous="true">Previous</button>

Disabled

When at the first cell, the disabled attribute will be added to the element. The disabled attribute will not be added if either of these conditions are met:

  • The associated gallery has wrapAround set to true.
  • The directive has true passed in as the optional parameter (which overrides the default options).

Services

While you can easily use Flickity via the directive only, most Flickity methods are accessible via the FlickityService.

The services here follow the order of the Flickity Documentation as closely as possible in order to be immediately familiar. This shouldn't feel like learning another library (assuming you are already familiar with Flickity).

📺 Service demo

Don't be afraid to look at the source code. It isn't terribly complicated and fairly well commented.

Initialize

create

This can be called to manually create a new Flickity instance.

📺 Create instance demo

FlickityService.create(element, id, options)
Parameters
  • element: {Element}
    • A DOM element wrapped as a jQuery object. This can be done with jqLite (angular.element(element)) or jQuery ($(element))
  • id: {String} optional
    • ID for the created Flickity instance. If no ID is assigned, one will be created and used internally.
  • options: {Object} optional
    • Options object for Flickity
Returns Promise
  • instance: {Object}
// Example return
{
    id: 'foo',
    instance: Flickity
};

NOTE: Anytime you are dealing with the DOM from inside a controller (👎) make sure to use document.ready. This ensures that the element you are looking for actually exists. You can also use a $timeout but I find using document.ready more accurately represents the intention.

📺 Demo showing DOM issue and solution

// document.ready example
angular.element($document[0]).ready(() => {
    // Get the element that should hold the slider
    const element = angular.element(document.getElementById('demo-slider'));
 
    // Initialize our Flickity instance
    FlickityService.create(element[0], element[0].id);
});

NOTE: If you are dealing with remote data, you should wrap the .create() call with a $timeout. This ensures that the data has already been assigned to scope before the slider is initialized.

📺 Demo with remote data

// Remote data example
$http.get('http://yourRemoteSource.com/slides.json')
  .then((results) => {
 
    // Expose the slides array to $scope
    $scope.slides = results.data;
 
    // Get the element that should hold the slider
    const element = angular.element(document.getElementById('demo-slider'));
 
    // NOTE: When fetching remote data, we initialize the Flickity
    // instance inside of a $timeout. This ensures that the slides
    // have already been assigned to scope before the slider is
    // initialized.
    $timeout(() => {
      // Initialize our Flickity instance
      FlickityService.create(element[0], element[0].id);
    });
  });

Selecting Cells

select

Move directly to a specific slide.

📺 Selecting a cell demo

FlickityService.select(id, index, isWrapped, isInstant)
  • id: {String}
    • A string representing the ID of the Flickity instance to move.
  • index: {Number}
  • isWrapped: {Bool} optional
    • Default: false
    • If true and previous is called when on the first slide, the slider will wrap around to show the last slide.
    • If true and next is called when on the last slide, the slider will wrap back to show slide 1.
  • isInstant: {Bool} optional
    • Default: false
    • If true the slide will change instantly with no animation.
Returns Promise
  • instance: {Object}

previous

Move to the previous slide.

FlickityService.previous(id, isWrapped, isInstant)
Parameters
  • id: {String}
    • A string representing the ID of the Flickity instance to move.
  • isWrapped: {Bool} optional
    • Default: false
    • If true and previous is called when on the first slide, the slider will wrap around to show the last slide.
    • If false and previous is called when on the first slide, the slider will do nothing.
  • isInstant: {Bool} optional
    • Default: false
    • If true the slide will change instantly with no animation.
Returns Promise
  • instance: {Object}

next

Move to the next slide.

FlickityService.next(id, isWrapped, isInstant)
Parameters
  • id: {String}
    • A string representing the ID of the Flickity instance to move.
  • isWrapped: {Bool} optional
    • Default: false
    • If true and next is called when on the last slide, the slider will wrap back to show slide 1.
    • If false and next is called when on the last slide, the slider will do nothing.
  • isInstant: {Bool} optional
    • Default: false
    • If true the slide will change instantly with no animation.
Returns Promise
  • instance: {Object}

cellSelect

Select a slide of a cell.

FlickityService.cellSelect(id, value, isWrapped, isInstant)
Parameters
  • id: {String}
    • A string representing the ID of the Flickity instance to move.
  • value: {Integer|String}
    • Zero-based index OR selector string of the cell to select.
  • isWrapped: {Bool} optional
    • Default: false
    • If true and previous is called when on the first slide, the slider will wrap around to show the last slide.
    • If true and next is called when on the last slide, the slider will wrap back to show slide 1.
  • isInstant: {Bool} optional
    • Default: false
    • If true the slide will change instantly with no animation.
Returns Promise
  • instance: {Object}

Sizing and Positioning

resize

Triggers Flickity to resize the gallery and re-position cells.

FlickityService.resize(id)
  • id: {String}
    • A string representing the ID of the Flickity instance.
Returns Promise
  • instance: {Object}

reposition

Tell Flickity to reposition cells while retaining the current index. Useful if cell sizes change after initialization.

FlickityService.reposition(id)
  • id: {String}
    • A string representing the ID of the Flickity instance.
Returns Promise
  • instance: {Object}

Adding and Removing Cells

Note: If you are trying to add cell(s) by appending to a 'slides' array and then reinitializing the slider, take a look at this 📺 demo

prepend

Create cells at the beginning of the gallery and prepend elements.

FlickityService.prepend(id, elements)
  • id: {String}
    • A string representing the ID of the Flickity instance.
  • elements: {Object|Array|Element|NodeList}
    • jQuery object, Array of Elements, Element, or NodeList
Returns Promise
  • instance: {Object}

append

Create cells at the end of the gallery and append elements.

FlickityService.append(id, elements)
  • id: {String}
    • A string representing the ID of the Flickity instance.
  • elements: {Object|Array|Element|NodeList}
    • jQuery object, Array of Elements, Element, or NodeList
Returns Promise
  • instance: {Object}

insert

Insert elements into the gallery and create cells at the desired index.

FlickityService.insert(id, elements, index)
  • id: {String}
    • A string representing the ID of the Flickity instance.
  • elements: {Object|Array|Element|NodeList}
    • jQuery object, Array of Elements, Element, or NodeList
  • index: {Integer}
    • Zero based integer where the new slides should be inserted.
Returns Promise
  • instance: {Object}

remove

Remove cells from the gallery and remove the elements from DOM.

FlickityService.remove(id, elements)
  • id: {String}
    • A string representing the ID of the Flickity instance.
  • elements: {Object|Array|Element|NodeList}
    • jQuery object, Array of Elements, Element, or NodeList
Returns Promise
  • instance: {Object}

Utilities

destroy

Destroys a Flickity instance.

FlickityService.destroy(id)
Parameters
  • id: {String}
    • A string representing the ID of the Flickity instance to be destroyed.
Returns Promise
  • isDestroyed: {Bool}

This is very useful when your Flickity instance is created inside a controller attached to a route. Each time the route is hit, the route's controller calls to create a new Flickity instance. But if that instance already exists, it will cause an error. The correct way to handle this is to destroy the Flickity instance when the controller is being destroyed.

$scope.$on('$destroy', () => {
  FlickityService.destroy(instanceId);
});

reloadCells

Re-collect all cell elements in flickity-slider.

FlickityService.reloadCells(id)
  • id: {String}
    • A string representing the ID of the Flickity instance.
Returns Promise
  • instance: {Object}

Note: If you are trying to add cell(s) by appending to a 'slides' array and then reinitializing the slider, take a look at this 📺 demo

getCellElements

Get the elements of the cells.

FlickityService.getCellElements(id)
  • id: {String}
    • A string representing the ID of the Flickity instance.
Returns Promise
  • cellElements: {Array}

get

Return a Flickity instance found by ID.

FlickityService.get(id)
  • id: {String}
    • A string representing the ID of the Flickity instance.
Returns Promise
  • instance: {Object}

getFirst

Return the first Flickity instance.

FlickityService.getFirst()
Returns Promise
  • instance: {Object}

getByElement

Find a Flickity instance by element or selector string.

FlickityService.getByElement(id, element)
  • id: {String}
    • A string representing the ID of the Flickity instance.
  • element: {Element}
    • Element or selector string representing the Flickity instance.
Returns Promise
  • instance: {Object}

Properties

selectedIndex

Get the index of the slide currently in view.

FlickityService.selectedIndex(id)
  • id: {String}
    • A string representing the ID of the Flickity instance for which you need the index.
Returns Promise
  • selectedIndex: {Number}
    • The index of the currently visible slide.

selectedElement

Get the currently selected cell element.

FlickityService.selectedElement(id)
  • id: {String}
    • A string representing the ID of the Flickity instance.
Returns Promise
  • selectedElement: {Element}

cells

Get all cells.

📺 Get all cells demo

FlickityService.cells(id)
  • id: {String}
    • A string representing the ID of the Flickity instance.
Returns Promise
  • cells: {Array}

Events

All events trigger an associated $emit on $rootScope.

📺 Events demo

Learn more in the Angular docs on $emit.

Each $emit event is named in this format: Flickity:[instanceId]:[eventName]

So, for example, if you had declared a custom ID of myCustomId on bc-flickity and wanted to know when the settle event occurs, you could listen for it like this:

// Assume the gallery has been initialized with the custom ID of `myCustomId`
const settle = $rootScope.$on('Flickity:myCustomId:settle', (event, data) => {
    console.log('Flickity just settled!', event, data);
});

Events and Parameters

For more information on individual events, check out the Flickity Documentation on Events.

// Legend
• eventName
  • parameter
  • select
  • scroll
    • progress
    • positionX
  • settle
  • dragStart
    • event
    • pointer
  • dragMove
    • event
    • pointer
    • moveVector
  • dragEnd
    • event
    • pointer
  • pointerDown
    • event
    • pointer
  • pointerMove
    • event
    • pointer
    • moveVector
  • pointerUp
    • event
    • pointer
  • staticClick
    • event
    • pointer
    • cellElement
    • cellIndex
  • lazyLoad
    • event
    • cellElement

Event Naming Convention

eventName => Flickity:instanceId:eventName

Event name $emit name
select Flickity:instanceId:select
scroll Flickity:instanceId:scroll
settle Flickity:instanceId:settle
dragStart Flickity:instanceId:dragStart
dragMove Flickity:instanceId:dragMove
dragEnd Flickity:instanceId:dragEnd
pointerDown Flickity:instanceId:pointerDown
pointerMove Flickity:instanceId:pointerMove
pointerUp Flickity:instanceId:pointerUp
staticClick Flickity:instanceId:staticClick
lazyLoad Flickity:instanceId:lazyLoad

Learn more about Flickity events.

Don't forget:

The $on call should always be assigned to a variable. This allows it to be destroyed during the $scope cleanup.

Learn more about $destroy.

Demos

Development

  • npm run build
    • Produces uncompressed (.js) and minified (.min.js) versions of the library under the dist folder.
  • npm run watch
    • Watches for changes inside /src and calls npm run build when changes are detected.
  • npm run test
    • Runs all tests.
  • npm run watch:tests
    • Watch for changes and re-run tests.

About Flickity

Touch, responsive, flickable galleries.

Made by Metafizzy who make seriously awesome, stuff.

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Install

npm i angular-flickity

Repository

github.com/benjamincharity/angular-flickity

Homepage

github.com/benjamincharity/angular-flickity

Weekly Downloads

68

Version

3.1.4

License

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  • benjamincharity
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