component(className, param, ..., param)
Inserts a standard Java™ AWT Component or Swing JComponent in generated content.
className is the name of a Java class which implements the interface com.xmlmind.xmledit.styledview.ComponentFactory (see XMLmind XML Editor - Developer's Guide).
Example (XHTML - excerpt of bundled xhtml-form.css):
input {
content: component("com.xmlmind.xmleditapp.xhtml.Input");
}