Extend CBI Delegators, fix some CBI issue

diff --git a/libs/cbi/luasrc/cbi.lua b/libs/cbi/luasrc/cbi.lua
index c176da0..0265301 100644 (file)
--- a/libs/cbi/luasrc/cbi.lua
+++ b/libs/cbi/luasrc/cbi.lua
@@ -301,6 +301,7 @@ function Map.__init__(self, config, ...)
        self.apply_on_parse = nil
        self.readinput = true
        self.proceed = false
+       self.flow = {}
 
        self.uci = uci.cursor()
        self.save = true
@@ -506,7 +507,7 @@ function Delegator.set(self, name, node)
        if type(node) == "table" and getmetatable(node) == nil then
                node = Compound(unpack(node))
        end
-       assert(instanceof(node, Compound), "Invalid node")
+       assert(type(node) == "function" or instanceof(node, Compound), "Invalid")
        assert(not self.nodes[name], "Duplicate entry")
 
        self.nodes[name] = node
@@ -528,19 +529,43 @@ function Delegator.insert_after(self, name, after)
        table.insert(self.chain, n, name)
 end
 
+function Delegator.set_route(self, ...)
+       local n, chain, route = 0, self.chain, {...}
+       for i = 1, #chain do
+               if chain[i] == self.current then
+                       n = i
+                       break
+               end
+       end
+       for i = 1, #route do
+               n = n + 1
+               chain[n] = route[i]
+       end
+       for i = n + 1, #chain do
+               chain[i] = nil
+       end
+end
+
 function Delegator.get(self, name)
        return self.nodes[name]
 end
 
 function Delegator.parse(self, ...)
        local newcurrent
-       self.chain = self:get_chain()
-       self.current = self:get_active()
-       self.active = self:get(self.current)
+       self.chain = self.chain or self:get_chain()
+       self.current = self.current or self:get_active()
+       self.active = self.active or self:get(self.current)
        assert(self.active, "Invalid state")
        
-       self.active:populate_delegator(self)
-       if self.active:parse() > FORM_PROCEED then
+       local stat = FORM_DONE
+       if type(self.active) ~= "function" then
+               self.active:populate_delegator(self)
+               stat = self.active:parse() 
+       else
+               self:active()
+       end
+
+       if stat > FORM_PROCEED then
                if Map.formvalue(self, "cbi.delg.back") then
                        newcurrent = self:get_prev(self.current)
                else
@@ -553,8 +578,12 @@ function Delegator.parse(self, ...)
        else
                self.current = newcurrent
                self.active = self:get(self.current)
-               self.active:parse(false)
-               return FROM_PROCEED
+               if type(self.active) ~= "function" then
+                       self.active:parse(false)
+                       return FROM_PROCEED
+               else
+                       return self:parse(...)
+               end
        end
 end
 
@@ -783,8 +812,8 @@ function AbstractSection.parse_optionals(self, section)
                if v.optional and not v:cfgvalue(section) then
                        if field == v.option then
                                field = nil
-                       else
                                self.map.proceed = true
+                       else
                                table.insert(self.optionals[section], v)
                        end
                end