theme_rule
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Description
The Theme Negotiation by Rules module allows a site builder to show pages using different themes based on rules. Each rule contains the theme, and the conditions to be met in order to show the that theme. Conditions are condition plugins, such as page path pattern, current user role, current language or even, the type of the node, when the page is a node canonical page. Meaning that custom conditions may be added by contrib or custom modules, such as Route Condition.
Rules can be ordered by priority. The topmost rule whose conditions are met on a certain context (page, user role, etc) wins, and the page is displayed with the rule's configured theme. Rules can be reordered using drag and drop.
Usage
- As a site builder, visit the Appearance page and click the Theme rules tab.
- Use the Add theme rule action button to add new rules.
- You can disable a rule so that it will be ignored on theme negotiation.
- A rule with no conditions is also ignored on theme negotiation.