a role to open, or null to start a new one
what a new role starts from — the selected element's current permissions
called with the saved role's uuid (a new role is created, not applied)
popupmenu call to check active item used by popmenucontroler when dialog propery !=null should be overridden by subclasses
popupmenu call for menu action used by popmenucontroler when dialog propery!=null should be overridden by subclasses
genaral call back to dispatch events back to the dialog...
can be null
Base class for modal dialog's
Standard header and footer with cancel and ok button's