JqueryLazyLoad

The applied usage of the Jquery LazyImage plugin. Block container with lazy <img> inside has transparent background and animated loader.gif placed in its center. User sees loader.gif til the original image is loaded. It's supposed that the placeholder given by the src attribute of the lazy <img> is fully transparent gif which width and height are equivalented to width and height of original image (to avoid jumping layout).

Installation

Add this line to your application's Gemfile:

gem 'jquery_lazy_load'

And then execute:

$ bundle

Or install it yourself as:

$ gem install jquery_lazy_load

NOTE: this is a jQuery plugin so you will also need the jquery-rails gem:

https://github.com/rails/jquery-rails

Usage

You will need to add this line into your application.js:

//= require jquery_lazy_load

And add this line into application.scss:

@import "jquery_lazy_load";

Gem functionality applies to code snippets like this:

<a title="TITLE" class="lazy-image-wrapper" href="HREF">
    <img alt="ALT" data-original="image800x600.jpg" src="transparent800x600.gif">
</a>

Development

After checking out the repo, run bin/setup to install dependencies. Then, run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release to create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Fork it ( https://github.com/[my-github-username]/jquery_lazy_load/fork )
Create your feature branch (git checkout -b my-new-feature)
Commit your changes (git commit -am 'Add some feature')
Push to the branch (git push origin my-new-feature)
Create a new Pull Request