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New Web technologies such as Syntactically Awesome Style Sheets ( Sass ) and Less have largely replaced the need to do FreeMarker pre-processing for CSS files. You can now accomplish the same with a dedicated CSS pre-processor. We recommend that you start using such new technologies. Magnolia provides the
/resources path (without dot) as a legacy option to support older projects.
The Processed Resources app is configured in
What is a processed resources?
Using the app
Go to Web Dev > Processed Resources to open the app.
Processed resource templates
You can process different types of files. Choose a template that matches the file type:
- Non-processed CSS, HTML, JS and YAML: These templates do not process the resource. The resource is treated as a static file and served to the client as such. However, you get an editor that provides syntax highlighting and search for the designated file type.
- Reference: Create a reference to another resource in the same workspace. This is useful for providing aliases.
- Binary: Use this template for non-editorial binary resources that change rarely such as logos, icons and fonts.
Loading processed resources with
/resources path (without dot) to load processed resources.
Example: Referencing a processed CSS file
/resources path is mapped to the
resources workspace in
/server/URI2RepositoryMapping/mappings/resources using URI to repository mapping. This ensures that resources are loaded correctly also in projects that are built on earlier versions of Magnolia which you may want to run on Magnolia 5.4.
When you reference a resource with the
/resources path, the resource is not loaded by
and the three origins are not checked.
Using variables in CSS
When building large sites, authors often face a maintainability challenge. In such websites, the size of the CSS is quite large and a lot of information may be repeated in multiple places. For example, maintaining a coherent color scheme throughout a document implies reusing a few color values at numerous positions in the CSS files. Altering the scheme, whether tweaking a single color or completely rewriting it, therefore becomes a complex task requiring precision, as a single find and replace often isn't enough. – Mozilla Developer Network: Using CSS variables
You can create equivalent functionality that is equivalent to CSS variables with processed resources in Magnolia.
Example: This Processed CSS resource defines a Freemarker variable
textColor and assigns it a value. We reference the variable later in the same file.
When the resource is processed, the Freemarker expressions are evaluated and the resulting CSS is served to the client.
- Third-party libraries: jQuery, jQuery UI and jQuery plugins
- General application code: form handling, logging in/out and navigation
- Page-specific code: carousel, news, commenting
Example: Merging jQuery plugins
When you request the parent resource you get one long file with all the child scripts appended.
Processing is not recursive. This means, FreeMarker expressions are only evaluated in the parent node, not in child nodes.
Example: Create a resource file
jquery-min.js using the Reference template. Reference the first from the second.
Now you can reference jQuery from template scripts with a stable, friendly resource name:
When the library is updated you only need to update the reference, no need to touch the templates.
Using a model class
Enter the fully-qualified class name of the model class in the Model Class box in the resource properties dialog.