Handles the actions that should be performed before opening the editor frameset.
For each resource type, a pre editor action class can be defined that is triggered in the workplace JSP
/system/workplace/editors/editor.jsp before the editor is initially opened.
Provides a method for selecting an individual file editor.
You can define the class of your own editor handler in the OpenCms XML configuration files.
changing the <class> subnode of the system node <editorhandler> to another value.