Is there a way to create a dynamic CSS for a custom JSF component through code generation?

I am currently developing a custom JSF component that displays content in multiple columns in a "responsive" manner.

This component utilizes the "CSS Multi-column Layout Module" (http://www.w3.org/TR/css3-multicol/) (tutorial available in French: ).

Below is the current solution that I have implemented, which is functional:

Component class:

/* Component class code goes here */

Renderer class:

/* Renderer class code goes here */

Component declaration in taglib:

/* Taglib component declaration code goes here */

Stylesheet:

/* Stylesheet code for responsive columns */

I am looking for a way to dynamically generate and include data such as the number of columns to use at different resolutions. One approach I am considering is generating a dynamic stylesheet fragment and including it.

The base dynamic stylesheet would have a structure like this:

/* Dynamic stylesheet code for variable column count */

How can I dynamically process and include this dynamic stylesheet fragment?

I foresee an issue where the same stylesheet might be used multiple times with different parameters. If there was only one usage, including EL expressions in the stylesheet could work. However, I am exploring other solutions to this problem.

One alternative could be to append styles just before the component, but I am hesitant about this approach.

Answer №1

When working with JSF, incorporating EL expressions in .ccs files is a seamless process, akin to how it handles .xhtml files.

To utilize these expressions, they can be added using <h:outputStylesheet or accessed directly from HTML using

/javax.faces.resource/foo.css?ln=bar
.

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