refactor config, add Switch and Param struct + config labels

config/toggle.go

@@ -0,0 +1,44 @@
+package config
+
+var switches = []*Switch{
+	&Switch{
+		key:   "sortReverse",
+		val:   false,
+		label: "Reverse Sort Order",
+	},
+	&Switch{
+		key:   "allContainers",
+		val:   false,
+		label: "Show All Containers",
+	},
+	&Switch{
+		key:   "enableHeader",
+		val:   false,
+		label: "Enable cTop Status Line",
+	},
+	&Switch{
+		key:   "loggingEnabled",
+		val:   true,
+		label: "Enable Logging Server",
+	},
+}
+
+type Switch struct {
+	key   string
+	val   bool
+	label string
+}
+
+// Return toggle value
+func GetSwitch(k string) bool {
+	if _, ok := Global.switches[k]; ok == true {
+		return Global.switches[k].val
+	}
+	return false // default
+}
+
+// Toggle a boolean switch
+func Toggle(k string) {
+	Global.switches[k].val = Global.switches[k].val != true
+	log.Noticef("config change: %s: %t", k, Global.switches[k].val)
+}