XenForo 1.2 will deprecate the template hook system and introduce it's own template modification system to make it easier for add-on developers to change templates. Note that I'm primarily focused on add-on developers here. It is possible to create your own custom template modifications if you're not an add-on developer, but unless you have multiple styles, I'd recommend just making the changes to the templates directly.
Let's look at what a template modification is:
It's simply a "find this" and "replace with that" style replacement. You can do this to any template. If your find matches multiple times in a single template, it will replace each occurrence.
Applying a template modification does not actually modify the template, so it will not show up as customized and it will be automatically reapplied (if possible) when upgrading.
For those of you that want technical details, the modifications are applied before a template is parsed. If the modifications cause a template compilation error, they are automatically disabled.
Here's what the template modification overview looks like:
All of the template modifications will be listed here, grouped by add-on and ordered by template. The checkbox enables/disables the modification. Note that if the modification is part of an add-on (and you're not in debug mode), you will not be able to edit the modification here but you can enable/disable it. More about this when editing a template.
The 3 numbers indicate the number of times the modification matched (green), the number of times the modification failed to match (grey) and the number of times the modification caused an error (red).
Editing a Template
There are a few new bits when editing a template as well.
There are 3 new things here:
- The "prevent" checkbox. If selected, modifications will be never be applied to this template. This can be used to quickly check a template without modifications or to adjust the modifications manually.
- The "view template modifications" link. I'll discuss this below.
- The "view custom changes" link. This will simply display a comparison of the parent version of the template (probably the master version) and the current version so you can identify the differences.
This shows you a comparison of how the template modifications will be applied to this template.
If you choose to manually apply modifications, the template modifications will be "materialized" into the template - they will actually be written into the template and automatic application of modifications will be disabled in this template. You can then manually edit the modifications if you wish. (Obviously if you upgrade an add-on and they've changed their modifications or you install a new add-on that changes this template, you won't be getting those new modifications so this should be used with care.)
Admin and Email Templates
These aren't left out. Add-on developers will have access to very similar systems that allow the admin and email templates to be manipulated in the same way.
We look forward to more dynamic add-ons with XenForo 1.2.
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