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I have a web page that uses Haml for layouts. "layout.haml" is a separate layout file which is used when rendering any actual Haml page.
layout.haml looks something like:
-# layout.haml
!!! XML
!!!
%html
%head
...
%body
...
#content= yield
This is of course already in the document's <body> so manipulating things in the header is not directly possible. For instance <title> is changed via @title. A bigger problem is the fact that every page-specific JavaScript needs to be loaded in the body. Moreover, layout.haml already contains JavaScript, so jQuery is usually instantiated multiple times.
Are there any suggestions for a better template structure?
986
In Haml, we write a tag by using the percent sign and then the name of the tag. This works for %strong , %div , %body , %html ; any tag you want. Then, after the name of the tag is = , which tells Haml to evaluate Ruby code to the right and then print out the return value as the contents of the tag.
Haml (HTML Abstraction Markup Language) is a templating system that is designed to avoid writing inline code in a web document and make the HTML cleaner. Haml gives the flexibility to have some dynamic content in HTML.
Haml is a markup language that's used to cleanly and simply describe the HTML of any web document, without the use of inline code. Haml functions as a replacement for inline page templating systems such as PHP, ERB, and ASP.
This solution is for Ruby on Rails only:
You can use yield(:location) and the content_for(:location) methods. "Using the content_for Method" has more information.
layout.haml:
!!!
%html
%head
%title= yield(:title)
= yield(:head)
%body
= yield
view.haml:
- content_for(:title, 'My title')
- content_for(:head) do
= javascript_include_tag :foo
%h1 My view!
I use partials:
!!!
%html
= partial('trst_sys/shared/html-head')
%body{:id => "srv",:'data-lang' => current_lang}
#main.wrap
%header#header
= partial('trst_sys/shared/header')
%nav#menu
= partial('trst_sys/shared/menu')
%section#content
%article#xhr_content
= yield
%article#xhr_msg.hidden
%section#sidebar
= partial('trst_sys/shared/sidebar')
%section#main_footer.wrap
%footer#footer.wrap
= partial('trst_sys/shared/footer')
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