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The page corresponding to the latest stable release can be seen in the Jelix 1.6 Manual

Jelix offers a theme system.

Theme and templates

templates for theme must be located in var/themes application folder. each template related to a module must be under a sub-directory named like its module.

Say you want to adapt main.tpl template of example module for web20 theme. You'll stored main.tpl in var/themes/web20/example. Note : original and theme template have the same name.

Default theme is originally named "default". If you want to just overload a template, you will store it under var/themes/default/module_name/template_name.tpl.

Theme and design files

Here design files means CSS, graphics, JS files. Those files must be accessible from web request sand therefore shall be located in www/theme_name application folder.

In your scripts, to retrieve your theme path, use:


   $themePath = jApp::config()->urlengine['basePath'].'themes/'.jApp::config()->theme.'/';
   $rep->addCssLink($themePath.'design.css');

In a template, to add a css resource, use:


{meta_html csstheme 'design.css'}

Other template plugins exists, such as IE conditional plugins:


{meta_html cssthemeie 'design.css'} for ie
{meta_html cssthemeie7 'design.css'} for ie7
{meta_html cssthemeltie7 'design.css'} for ie < 7

Or more directly, j_themepath variable gives access to your theme path in a template :


  <img src="{$j_themepath}logo.png" alt="logo"/>

Selecting a default theme

theme parameter of configuration file fills this functionnality.


theme = web20

Selecting theme dynamically

A typical use case is to let the user select his theme in a list. Suppose there is a form with a list of theme and the user picks one of them then submit. Application stores its choice (using session or a specific cookie).

Each time the user will visit the application, it will select his theme like this :


  jApp::config()->theme = $choosenTheme;

Off course the best place to do it is in a coordinator plugin that must be coded and plugged.