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Integrate LESS version of Bootstrap-Material-Design to Rails Project

I am using this gem bootstrap-material-design which is a sass version of https://github.com/FezVrasta/bootstrap-material-design library but recently I have noticed that sass version is no longer maintained.

Problem i am facing with this gem is that it doesn't turn buttons and flash messages to material styled.

One solution as suggested here: https://github.com/FezVrasta/bootstrap-material-design/issues/535 is to use LESS version but I dont know how to Integrate the LESS version of this Library. anyone has done this already ?

UPDATE:

In case anyone is looking to add Bootstrap-Material-Design to their site without using any framework or server side language like Ruby, PHP etc..., just with HTML5, CSS3 and JS. they can follow these instructions below:

To install and download bootstrap-material folder

bower install bootstrap-material-design

Link bootstrap css and material css minified file under head tag

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css">
<link rel="stylesheet" type="text/css" href="./bower_components/bootstrap-material-design/dist/css/material-fullpalette.min.css">

Link Javascript files

 <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>
<script src="/bower_components/bootstrap-material-design/dist/js/ripples.min.js"></script>
<script src="/bower_components/bootstrap-material-design/dist/js/material.min.js"></script>

Lastly You have to initialize some material component with this script at the bottom of your body

<script>
$(document).ready(function() {
  $.material.init();
});
</script>
Solution

  • First install Rails, see: http://guides.rubyonrails.org/getting_started.html. Then you can create a new Rails app by running the following command in your console:

    >> rails new material

    The above command will create a new material directory, navigate to this directory (>> cd material). Now open the Gemfile and remove the Sass bundle and at the Less bundle(s):

    #gem 'sass-rails', '~> 5.0'
gem 'less-rails' # Less
gem 'therubyracer' # Ruby

    Then run bundle install again. Now navigate to your public directory (>> cd public) and run the following command:

    >> bower install bootstrap-material-design

    Now you can create a controller called "welcome" with an action called "index", by running the following command:

    >> bin/rails generate controller welcome index

    The preceding command create among others the app/views/welcome/index.html.erb file. Open the app/views/welcome/index.html.erb file and write out the content like that shown beneath into it (according https://github.com/FezVrasta/bootstrap-material-design/blob/master/dist/test.html):

    <!-- Your site -->
<h1>You can add your site here.</h1>
<h2>To ensure that material-design theme is working, check out the buttons below.</h2>
<h3 class="text-muted">If you can see the ripple effect on clicking them, then you are good to go!</h3>
<p class="bs-component">
<a href="javascript:void(0)" class="btn btn-default">Default</a>
<a href="javascript:void(0)" class="btn btn-primary">Primary</a>
<a href="javascript:void(0)" class="btn btn-success">Success</a>
<a href="javascript:void(0)" class="btn btn-info">Info</a>
<a href="javascript:void(0)" class="btn btn-warning">Warning</a>
<a href="javascript:void(0)" class="btn btn-danger">Danger</a>
<a href="javascript:void(0)" class="btn btn-link">Link</a>
</p>
<!-- Your site ends -->

    And after that make sure that the content of the ./app/views/layouts/application.html.erb file look like that shown beneath:

    <!DOCTYPE html>
<html>
<head>
  <title>Material</title>
  <link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap.min.css" rel="stylesheet">

  <%= stylesheet_link_tag    'application', media: 'all', 'data-turbolinks-track' => true %>
  <%= javascript_include_tag 'application', 'data-turbolinks-track' => true %>
  <%= csrf_meta_tags %>
</head>
<body>

<%= yield %>


<!-- Your site ends -->
<script src="//code.jquery.com/jquery-1.10.2.min.js"></script>
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.2/js/bootstrap.min.js"></script>
<script src="/bower_components/bootstrap-material-design/dist/js/ripples.min.js"></script>
<script src="/bower_components/bootstrap-material-design/dist/js/material.min.js"></script>
<script>
$(document).ready(function() {
// This command is used to initialize some elements and make them work properly
$.material.init();
});
</script>


</body>
</html>

    Finally rename app/assets/stylesheets/application.css to app/assets/stylesheets/application.css.less and write down the following content into it:

    @import "../../../public/bower_components/bootstrap-material-design/less/material-fullpalette.less";
@color: red;
h1 {
color: @color;
}

    Now you can run >> bin/rails server and open http://localhost:3000/welcome/index in your browser. The result now should look like that shown in the figure beneath:

    enter image description here