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The standard output from any Joomla! Module or Component can be overridden by adding code to the html
directory of your template. It is also possible to override two aspects of core functionality: Module chrome, and pagination.
As of overrides can be created using the Template manager Creating Overrides
If you are new to Joomla! development, then it is probably easiest to start with an existing view, and try modifying it to get what you want. To do this, you should make a copy of the existing view in the html
directory of your template, and then modify the copy.
The directory structure you need is:
TEMPLATE_NAME/html/EXTENSION_NAME/VIEW_NAME/FILE_NAME.php
For example, if you want to change the way that the 'Article
' view displays a com_content
article, then you should copy the file at
PATH_TO_JOOMLA/components/com_content/views/article/tmpl/default.php to TEMPLATE_NAME/html/com_content/article/default.php
(note the slight difference in directory structure)
Similarly, if you want to change how the mod_login
Module is displayed, then you should copy
PATH_TO_JOOMLA/modules/mod_login/tmpl/default.php to TEMPLATE_NAME/html/mod_login/default.php
Joomla! comes pre-packaged with a frontend template called Beez. Beez utilizes template overrides to produce a table-less layout for faster, smoother, and semantically correct markup. To see how it's done, locate your Joomla! installation's template
directory, and you'll notice the Beez template. Inside the Beez template directory, you'll find a directory named html
the entire directory structure is as follows:
/your_joomla/templates/Beez/html/
If you want to try modifying the overrides used in Beez, you could simply copy and paste the Beez html
directory into your own template's main directory.
However you choose to make your override files, you will need to ensure that they are correctly installed with your template. To do this, you should add the following code to your template's templateDetails.xml
file (in between the <files>
and </files>
tags):
<folder>html</folder>
The above code in essence lets the Joomla! package installer know that there are files to extract, and that they are part of the template as a whole.
Template overrides are almost limitless. They allow you to add, edit, and remove the components of the Joomla! core output. The Template Manager can be used to create override files ready for editing.
Note: For the FireFox web browser, an extension called Firebug is available, which is useful for browsing a page's HTML source and matching it up with the PHP code used in template overrides. For more information, please watch the free video tutorial on using Firebug with Joomla. Now firebug is also available for IE called Firebug Lite.
More information is available from the following resources: