package processes

include ProcessesForm.feather
include ProcessesBehaviour.feather
include ProcessesData.feather

class Processes : SimpleComponent() {

    class val PID = "PID" // The Context.value is a String containing the PID.

    // ==== Register ====
    
    override meth register() {

        registerRunnerPrefix( "ps", "Processes", ::processesPrefixAction )

        addFeatures( Context.NONE ).apply {
            val openProcesses = Action( "Processes", ::openProcesses )
            menus( MenuFeature( "Tools", openProcesses ) )
        }

        addFeatures( PID ).apply {
            val kill = contextAction( "Kill", ::killAction )
            val forceKill = contextAction( "Force Kill", ::forceKillAction )
            contextMenu( kill, forceKill )
        }
    }

    // ==== Actions ====

    func killAction( context : Context ) {
        $( kill ${context.value} ).run()
    }

    func forceKillAction( context : Context ) {
        $( kill -9 ${context.value} ).run()
    }

    func processesPrefixAction( remainder : String ) : bool {
        if (remainder == "") {
            openProcesses()
            return true
        } else if (remainder.startsWith( " " ) ) {
            ProcessesForm().apply { selectByCommand.value = remainder.trim() }.openBehaviour()
            return true
        }
        return false
    }

    // ==== API ====
    
    func openProcesses() {
        ProcessesForm().openBehaviour()
    }

}