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BUILD A THEME WITH ZEN

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The base Zen theme is designed to be easily extended by its sub-themes. You

shouldn't modify any of the CSS or PHP files in the zen/ folder; but instead you

should create a sub-theme of zen which is located in a folder outside of the

root zen/ folder. The examples below assume zen and your sub-theme will be

installed in sites/all/themes/, but any valid theme directory is acceptable

(read the sites/default/default.settings.php for more info.)

  Why? To learn why you shouldn't modify any of the files in the zen/ folder,

  see http://drupal.org/node/245802

*** IMPORTANT NOTE ***

*

* In Drupal 7, the theme system caches which template files and which theme

* functions should be called. This means that if you add a new theme,

* preprocess or process function to your template.php file or add a new template

* (.tpl.php) file to your sub-theme, you will need to rebuild the "theme

* registry." See http://drupal.org/node/173880#theme-registry

*

* Drupal 7 also stores a cache of the data in .info files. If you modify any

* lines in your sub-theme's .info file, you MUST refresh Drupal 7's cache by

* simply visiting the Appearance page at admin/appearance.

*

 1. Setup the location for your new sub-theme.

    Copy the STARTERKIT folder out of the zen/ folder and rename it to be your

    new sub-theme. IMPORTANT: The name of your sub-theme must start with an

    alphabetic character and can only contain lowercase letters, numbers and

    underscores.

    For example, copy the sites/all/themes/zen/STARTERKIT folder and rename it

    as sites/all/themes/foo.

      Why? Each theme should reside in its own folder. To make it easier to

      upgrade Zen, sub-themes should reside in a folder separate from the base

      theme.

 2. Setup the basic information for your sub-theme.

    In your new sub-theme folder, rename the STARTERKIT.info.txt file to include

    the name of your new sub-theme and remove the ".txt" extension. Then edit

    the .info file by editing the name and description field.

    For example, rename the foo/STARTERKIT.info file to foo/foo.info. Edit the

    foo.info file and change "name = Zen Sub-theme Starter Kit" to "name = Foo"

    and "description = Read..." to "description = A Zen sub-theme".

      Why? The .info file describes the basic things about your theme: its

      name, description, features, template regions, CSS files, and JavaScript

      files. See the Drupal 7 Theme Guide for more info:

      http://drupal.org/node/171205

    Then, visit your site's Appearance page at admin/appearance to refresh

    Drupal 7's cache of .info file data.

 3. Choose your preferred page layout method or grid system.

    By default your new sub-theme is using a responsive layout. If you want a

    fixed layout for your theme, delete the unneeded responsive-sidebars and

    responsive-sidebars-rtl css/sass files and edit your sub-theme's .info file

    and replace the reference to responsive-sidebars.css with fixed-width.css.

    For example, edit foo/foo.info and change this line:

      stylesheets[all][]   = css/layouts/responsive-sidebars.css

    to:

      stylesheets[all][]   = css/layouts/fixed-width.css

      Why? The "stylesheets" lines in your .info file describe the media type

      and path to the CSS file you want to include. The format for these lines

      is:  stylesheets[MEDIA][] = path/to/file.css

    Alternatively, if you are more familiar with a different CSS layout method,

    such as GridSetApp or 960.gs, etc., you can replace the

    "css/layouts/responsive-sidebars.css" line in your .info file with a line

    pointing at your choice of layout CSS file.

    Then, visit your site's Appearance page at admin/appearance to refresh

    Drupal 7's cache of .info file data.

 4. Edit your sub-theme to use the proper function names.

    Edit the template.php and theme-settings.php files in your sub-theme's

    folder; replace ALL occurrences of "STARTERKIT" with the name of your

    sub-theme.

    For example, edit foo/template.php and foo/theme-settings.php and replace

    every occurrence of "STARTERKIT" with "foo".

    It is recommended to use a text editing application with search and

    "replace all" functionality.

 5. Set your website's default theme.

    Log in as an administrator on your Drupal site, go to the Appearance page at

    admin/appearance and click the "Enable and set default" link next to your

    new sub-theme.

Optional steps:

 6. Modify the markup in Zen core's template files.

    If you decide you want to modify any of the .tpl.php template files in the

    zen folder, copy them to your sub-theme's folder before making any changes.

    And then rebuild the theme registry.

    For example, copy zen/templates/page.tpl.php to foo/templates/page.tpl.php.

 7. Modify the markup in Drupal's search form.

    Copy the search-block-form.tpl.php template file from the modules/search/

    folder and place it in your sub-theme's template folder. And then rebuild

    the theme registry.

    You can find a full list of Drupal templates that you can override in the

    templates/README.txt file or http://drupal.org/node/190815

      Why? In Drupal 7 theming, if you want to modify a template included by a

      module, you should copy the template file from the module's directory to

      your sub-theme's template directory and then rebuild the theme registry.

      See the Drupal 7 Theme Guide for more info: http://drupal.org/node/173880

 8. Further extend your sub-theme.

    Discover further ways to extend your sub-theme by reading Zen's

    documentation online at:

      http://drupal.org/documentation/theme/zen

    and Drupal 7's Theme Guide online at:

      http://drupal.org/theme-guide