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Where in drupal themes files I could apply the following blueprint code:

if ($language->language == 'ar'){
// Do something to change the included style.css to be style_rtl.css
}

Does it template.php or html.tpl.php? and How to implement the comment in the code above?

I use Drupal 7

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2

You want to put it in template.php and probably want something like this:

function hook_css_alter(&$css) {
  global $language, $theme_path;
  if ($language->language == 'ar'){
    unset($css[$theme_path . '/css/style.css']);
    drupal_add_css($theme_path . '/css/style_rtl.css', array('group' => CSS_THEME, 'every_page' => TRUE));
  }
}

I think there is something in the Domain Access project regarding theme settings, if you are using that suite of modules.

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2
  • Your solution as it is, does not work. However, I had to replace the hook with the theme name to make it run. i.e my_theme_css_alter() Could you please tell me why does not it work with hook?
    – SaidbakR
    Jun 16 '14 at 11:57
  • 1
    Because you create a hook implementation in Drupal by replacing hook with your module or theme name. I've edited the answer to reflect this.
    – jamix
    Jun 16 '14 at 12:57
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Another way to do this would be using prefixing your CSS classes/id's with .i18n-en and .i18n-es (for English and Spanish respectively). Here's an example:

.i18n-en .myclass {
    color: #ff0000;
}

.i18n-es .myclass {
    color: #336699;
}

You'll see this in the <body> tag.

You can also make use of hook_css_alter. Check this page for the official documentation and some examples.

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1
  • Your solution is good but in the end will lead to very big CSS file that affect website performance (downloading time)
    – SaidbakR
    Jun 16 '14 at 11:58

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