From 8d9d419f846cb76dc8671ed1a75baa7103a6b39d Mon Sep 17 00:00:00 2001
From: Steven Barth <steven@midlink.org>
Date: Fri, 15 Aug 2008 09:22:45 +0000
Subject: [PATCH] libs/cbi: Some fixes

---
 libs/cbi/luasrc/cbi.lua                       | 54 ++++++++++++++++---
 libs/cbi/luasrc/view/cbi/nullsection.htm      | 20 +++++++
 libs/cbi/luasrc/view/cbi/simpleform.htm       |  7 +--
 .../luasrc/model/cbi/admin_system/sshkeys.lua |  3 +-
 4 files changed, 70 insertions(+), 14 deletions(-)
 create mode 100644 libs/cbi/luasrc/view/cbi/nullsection.htm

diff --git a/libs/cbi/luasrc/cbi.lua b/libs/cbi/luasrc/cbi.lua
index 9996c8418..ecc910a13 100644
--- a/libs/cbi/luasrc/cbi.lua
+++ b/libs/cbi/luasrc/cbi.lua
@@ -246,6 +246,15 @@ function Map.stateget(self, section, option)
 end
 
 
+--[[
+Page - A simple node
+]]--
+
+Page = class(Node)
+Page.__init__ = Node.__init__
+Page.parse    = function() end
+
+
 --[[
 SimpleForm - A Simple non-UCI form
 ]]--
@@ -265,10 +274,12 @@ function SimpleForm.parse(self, ...)
 	end
 		
 	local valid = true
-	for i, v in ipairs(self.children) do
-		valid = valid 
-		 and (not v.tag_missing or not v.tag_missing[1])
-		 and (not v.tag_invalid or not v.tag_invalid[1])
+	for k, j in ipairs(self.children) do 
+		for i, v in ipairs(j.children) do
+			valid = valid 
+			 and (not v.tag_missing or not v.tag_missing[1])
+			 and (not v.tag_invalid or not v.tag_invalid[1])
+		end
 	end
 	
 	local state = 
@@ -276,7 +287,7 @@ function SimpleForm.parse(self, ...)
 		or valid and 1
 		or -1
 
-	self.dorender = self:handle(state, self.data)
+	self.dorender = self:handle(state, self.data) ~= false
 end
 
 function SimpleForm.render(self, ...)
@@ -285,12 +296,33 @@ function SimpleForm.render(self, ...)
 	end
 end
 
--- Creates a child section
+function SimpleForm.section(self, class, ...)
+	if instanceof(class, AbstractSection) then
+		local obj  = class(self, ...)
+		self:append(obj)
+		return obj
+	else
+		error("class must be a descendent of AbstractSection")
+	end
+end
+
+-- Creates a child field
 function SimpleForm.field(self, class, ...)
+	local section
+	for k, v in ipairs(self.children) do
+		if instanceof(v, SimpleSection) then
+			section = v
+			break
+		end
+	end
+	if not section then
+		section = self:section(SimpleSection)
+	end
+	
 	if instanceof(class, AbstractValue) then
 		local obj  = class(self, ...)
 		obj.track_missing = true
-		self:append(obj)
+		section:append(obj)
 		return obj
 	else
 		error("class must be a descendent of AbstractValue")
@@ -439,6 +471,14 @@ function AbstractSection.create(self, section)
 end
 
 
+SimpleSection = class(AbstractSection)
+
+function SimpleSection.__init__(self, form, ...)
+	AbstractSection.__init__(self, form, nil, ...)
+	self.template = "cbi/nullsection"
+end
+
+
 
 --[[
 NamedSection - A fixed configuration section defined by its name
diff --git a/libs/cbi/luasrc/view/cbi/nullsection.htm b/libs/cbi/luasrc/view/cbi/nullsection.htm
new file mode 100644
index 000000000..b01a6a9f5
--- /dev/null
+++ b/libs/cbi/luasrc/view/cbi/nullsection.htm
@@ -0,0 +1,20 @@
+<%#
+LuCI - Lua Configuration Interface
+Copyright 2008 Steven Barth <steven@midlink.org>
+Copyright 2008 Jo-Philipp Wich <xm@leipzig.freifunk.net>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+$Id$
+
+-%>
+		<fieldset class="cbi-section">
+			<div class="cbi-section-node">
+				<% self:render_children(1, scope or {}) %>
+			</div>
+			<br />
+		</fieldset>
\ No newline at end of file
diff --git a/libs/cbi/luasrc/view/cbi/simpleform.htm b/libs/cbi/luasrc/view/cbi/simpleform.htm
index d2ae401c9..0b2270197 100644
--- a/libs/cbi/luasrc/view/cbi/simpleform.htm
+++ b/libs/cbi/luasrc/view/cbi/simpleform.htm
@@ -21,12 +21,7 @@ $Id$
 	<div class="cbi-map" id="cbi-<%=self.config%>">
 		<h1><%=self.title%></h1>
 		<div class="cbi-map-descr"><%=self.description%></div>
-		<fieldset class="cbi-section">
-			<div class="cbi-section-node">
-				<% self:render_children(1, scope or {}) %>
-			</div>
-			<br />
-		</fieldset>
+		<% self:render_children() %>
 		<br />
 	</div>
 <%- if self.message then %>
diff --git a/modules/admin-full/luasrc/model/cbi/admin_system/sshkeys.lua b/modules/admin-full/luasrc/model/cbi/admin_system/sshkeys.lua
index a204d420f..1c5569ccd 100644
--- a/modules/admin-full/luasrc/model/cbi/admin_system/sshkeys.lua
+++ b/modules/admin-full/luasrc/model/cbi/admin_system/sshkeys.lua
@@ -17,6 +17,7 @@ local keyfile = "/etc/dropbear/authorized_keys"
 f = SimpleForm("sshkeys", translate("a_s_sshkeys"), translate("a_s_sshkeys1"))
 
 t = f:field(TextValue, "keys")
+t.rmempty = true
 t.rows = 10
 function t.cfgvalue()
 	return luci.fs.readfile(keyfile) or ""
@@ -24,7 +25,7 @@ end
 
 function f.handle(self, state, data)
 	if state == FORM_VALID then
-		if (luci.fs.readfile(keyfile) or "") ~= data.keys then
+		if data.keys then
 			luci.fs.writefile(keyfile, data.keys)
 		end
 	end
-- 
2.25.1