* CBI updates

src/ffluci/cbi.lua

@@ -104,6 +104,26 @@ function Map.__init__(self, config, ...)
 	self.template = "cbi/map"
 end
 
+function Map.parse(self)
+	self.ucidata = ffluci.model.uci.show(self.config)
+	if not self.ucidata then
+		error("Unable to read UCI data: " .. self.config)
+	else
+		self.ucidata = self.ucidata[self.config]
+	end
+	Node.parse(self)
+end
+
+function Map.render(self)
+	self.ucidata = ffluci.model.uci.show(self.config)
+	if not self.ucidata then
+		error("Unable to read UCI data: " .. self.config)
+	else
+		self.ucidata = self.ucidata[self.config]
+	end
+	Node.render(self)	
+end
+
 function Map.section(self, class, ...)
 	if instanceof(class, AbstractSection) then
 		local obj  = class(...)
@@ -116,11 +136,6 @@ function Map.section(self, class, ...)
 	end
 end
 
-function Map.read(self)
-	self.ucidata = self.ucidata or ffluci.model.uci.show(self.config)[self.config]
-	return self.ucidata
-end
-
 --[[
 AbstractSection
 ]]--
@@ -181,6 +196,15 @@ function TypedSection.__init__(self, ...)
 	self.valid     = nil
 end
 
+function TypedSection.parse(self)
+	for k, v in pairs(self:ucisections()) do
+		for i, node in ipairs(self.children) do
+			node.section = k
+			node:parse()
+		end 
+	end
+end
+
 function TypedSection.render_children(self, section)
 	for k, node in ipairs(self.children) do
 		node.section = section
@@ -190,7 +214,7 @@ end
 
 function TypedSection.ucisections(self)
 	local sections = {}
-	for k, v in pairs(self.map:read()) do
+	for k, v in pairs(self.map.ucidata) do
 		if v[".type"] == self.sectiontype then
 			sections[k] = v
 		end
@@ -217,14 +241,20 @@ function AbstractValue.__init__(self, option, ...)
 	self.default = nil
 end
 
-
 function AbstractValue.formvalue(self)
-	local key = "uci."..self.map.config.."."..self.section.."."..self.option
+	local key = "cbid."..self.map.config.."."..self.section.."."..self.option
 	return ffluci.http.formvalue(key)
 end
 
+function AbstractValue.parse(self)
+	local fvalue = self:validate(self:formvalue())
+	if fvalue and not (fvalue == self:ucivalue()) then
+		self:write(fvalue)
+	end 
+end
+
 function AbstractValue.ucivalue(self)
-	return self.map:read()[self.section][self.option]
+	return self.map.ucidata[self.section][self.option]
 end
 
 function AbstractValue.validate(self, value)
@@ -232,7 +262,7 @@ function AbstractValue.validate(self, value)
 end
 
 function AbstractValue.write(self, value)
-	ffluci.model.uci.set(self.config, self.section, self.option, value)
+	return ffluci.model.uci.set(self.config, self.section, self.option, value)
 end
 
 

src/ffluci/dispatcher.lua

@@ -116,7 +116,7 @@ end
 function error500(message)
 	ffluci.http.status(500, "Internal Server Error")
 	
-	if not pcall(ffluci.template.render, "error500") then
+	if not pcall(ffluci.template.render, "error500", {message=message}) then
 		ffluci.http.textheader()
 		print(message)
 	end
@@ -171,8 +171,13 @@ function cbi(request)
 	
 	i18n.loadc(request.module)
 	
-	stat, map = pcall(cbi.load, path)
+	local stat, map = pcall(cbi.load, path)
 	if stat then
+		local stat, err = pcall(map.parse, map)
+		if not stat then
+			disp.error500(err)
+			return
+		end
 		tmpl.render("cbi/header")
 		map:render()
 		tmpl.render("cbi/footer")
@@ -202,8 +207,13 @@ function dynamic(request)
 		return
 	end
 	
-	stat, map = pcall(cbi.load, path)
+	local stat, map = pcall(cbi.load, path)
 	if stat then
+		local stat, err = pcall(map.parse, map)
+		if not stat then
+			disp.error500(err)
+			return
+		end		
 		tmpl.render("cbi/header")
 		map:render()
 		tmpl.render("cbi/footer")

src/ffluci/fs.lua

@@ -28,6 +28,13 @@ module("ffluci.fs", package.seeall)
 
 require("lfs")
 
+-- Checks whether a file exists
+function isfile(filename)
+	local fp = io.open(path, "r")
+	if file then file:close() end
+	return file ~= nil
+end	
+
 -- Returns the content of file
 function readfile(filename)
 	local fp = io.open(filename)

src/ffluci/util.lua

@@ -161,7 +161,7 @@ function validate(value, cast_number, cast_int, valid)
 	if type(valid) == "function" then
 		value = valid(value)
 	elseif type(valid) == "table" then
-		if not ffluci.util.contains(valid, value) then
+		if not contains(valid, value) then
 			value = nil
 		end
 	end

src/ffluci/view/cbi/footer.htm

@@ -1,2 +1,3 @@
+			<input type="submit" /> <input type="reset" />
 		</form>
 <%+footer%>

src/ffluci/view/cbi/map.htm

@@ -4,5 +4,4 @@
 				<br />
 <% self:render_children() %>
 				<br />
-				<input type="submit" /> <input type="reset" />
 			</div>

src/ffluci/view/error500.htm

@@ -0,0 +1,5 @@
+<%+header%>
+<h1>500 Internal Server Error</h1>
+<p>Sorry, the server encountered an unexpected error.</p>
+<tt><%=message%></tt>
+<%+footer%>

src/ffluci/view/header.htm

@@ -9,10 +9,10 @@ require("ffluci.http").htmlheader()
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
 <html xmlns="http://www.w3.org/1999/xhtml">
 <head>
-<link rel="stylesheet" type="text/css" href="<%=media%>/cascade.css" />
+	<link rel="stylesheet" type="text/css" href="<%=media%>/cascade.css" />
-<link rel="stylesheet" type="text/css" href="<%=media%>/css/<%=req.category%>_<%=req.module%>.css" />
+	<link rel="stylesheet" type="text/css" href="<%=media%>/css/<%=req.category%>_<%=req.module%>.css" />
-<title>FFLuCI</title>
+	<link rel="stylesheet" type="text/css" href="<%=media%>/css/<%=req.category%>_<%=req.module%>/<%=req.action%>.css" />
-<% if addheaders then write(addheaders) end %>
+	<title>FFLuCI</title>
 </head>
 <body>
 <div id="header">