One of the chief advantages of using the theme system in a module is that it affords the theme developer the ability to use a module, but theme the module's contents as desired. Here we will take a look at theming module contents from a theme.
We are now treading on the verges of terminological overload. The word 'theme' runs the risk of becoming ambiguous. So let's pause for just a moment and get clear on what we are about to do.
Thus far, we have been working on a module. In this module, we have created a default theme. This default theme has provided layout for this module's content. The default theme is used when the site's theme (be it Descartes, Bluemarine, Garland, or another theme) does not provide facilities for handling this module's content.
Now we are going to take a lateral step and work on a theme. We are switching directories from drupal/sites/all/modules to drupal/sites/all/themes.
In the previous chapter, we created...