config-design-package-add-exception

Design Packages

A design package is simply a collection of related themes. There can be any number of design
packages installed, but there must always be one that serves as the base package for the
installation. The base package is named “default.”
Each package contains a default theme. In addition, the package might contain any number of
variations of the default theme. Themes contain the files that determine the visual presentation
of each page, and how the elements on the page interact with the user. Magento themes
contain templating information (layout files, template files, theme-specific translation files)
and skinning information (CSS files, images, and theme-specific JavaScript files). Each theme
can belong to only one design package.

You can also set up exceptions to dynamically change the package when a specific user agent,
such as a mobile device, tablet, or desktop browser, is detected. Exceptions can also be applied
at the theme level. The names that are used to identify user agents are constantly evolving,
along with the technology. You can search on the Internet for a list of user agent strings.
For an installation with multiple stores, each store in the hierarchy can have a separate theme,
share the same theme, or a combination of both. The design package and theme can be
assigned at either the website and/or store view level. If you assign a package at the website
level, all stores in the website inherit the package. To override the default package, you can
assign a different package at the store, or store view level. If no additional packages are
available, the system falls back to the default package.
Before a design package can be assigned, it must be copied to the server. If you purchase and
install a design package or theme from Magento Connect, the necessary files are copied to your
server automatically. However, it might need to update the configuration with the name of the
package, theme, or both. The developer of any design package or theme typically provides
specific configuration instructions.

To assign a design package:

1. On the Admin menu, select System > Configuration. Then in the panel on the left under
General, select Design.
2. Click to expand the Package section, and do the following:

a. To assign the package to a specific store view, set the Current Configuration Scope in the
upper-left corner to the store view where the configuration applies. Then, clear the Use
Default checkbox next to the Current Package Name field.
b. Enter the Current Package Name in lower-case characters.
3. To add an exception for a specific user agent, click the Add Exception button. Then, do the
following:
a. In the Matched Expression field, enter the standard name for the user agent to be
matched. For multiple entries, separate each with a vertical bar.
b. In the Value field, enter the name of the package to be used as the exception.
c. Repeat these steps to add as many exceptions as necessary.

4. When complete, click the Save Config button.
5. When prompted to update the cache, click the Cache Management link and follow the
instructions.

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