Designers will notice marked improvements with Joomla! 1.5. Under the hood, the code base was better organized by separating program logic from presentation logic. What this does is empower designers with 100% control over how Joomla!'s content is presented. Now, template designers can use custom layouts, often referred to as template overrides, instead of the typical table heavy output from Joomla! core. The designer's imagination is the only limit and implementation could not be easier since simply placing a layout file into a designated place makes this possible. This model is being adopted by third party developers who want to offer the same flexibility for their extensions. Another new addition for template designers is an ability to create custom module chrome. Module chrome is how module output is wrapped in a template. While Joomla! 1.0 has a handful of ways to render modules Joomla! 1.5 gives the designer ultimate freedom in the ability to create whatever chrome is appropriate.
With 1.5 the need for end users to manually edit variables and settings in template files is ancient history. Template parameters are a new feature that allow designers ability to construct templates in such a way that users can change settings from within the template manager interface. The template manager has also been freshened up with features such as the ability to edit any CSS file for the template.
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post by: swordfish_007
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