From d1a448604e32a5f2d62fe52438ab36f316f54444 Mon Sep 17 00:00:00 2001
From: Steven Barth <steven@midlink.org>
Date: Mon, 18 Aug 2008 23:26:06 +0000
Subject: [PATCH] libs/cbi: Added preliminary UCI list datatype support... for
 great justice

---
 libs/cbi/luasrc/cbi.lua              | 66 +++++++++++++++++++++++++++-
 libs/cbi/luasrc/view/cbi/dynlist.htm | 44 +++++++++++++++++++
 libs/cbi/luasrc/view/cbi/value.htm   |  2 +-
 3 files changed, 110 insertions(+), 2 deletions(-)
 create mode 100644 libs/cbi/luasrc/view/cbi/dynlist.htm

diff --git a/libs/cbi/luasrc/cbi.lua b/libs/cbi/luasrc/cbi.lua
index 9a32dd68d..7a05d8922 100644
--- a/libs/cbi/luasrc/cbi.lua
+++ b/libs/cbi/luasrc/cbi.lua
@@ -367,6 +367,7 @@ function AbstractSection.__init__(self, map, sectiontype, ...)
 	self.config = map.config
 	self.optionals = {}
 	self.defaults = {}
+	self.cast = "string"
 
 	self.optional = true
 	self.addremove = false
@@ -446,7 +447,16 @@ end
 
 -- Returns the section's UCI table
 function AbstractSection.cfgvalue(self, section)
-	return self.map:get(section)
+	local value = self.map:get(section)
+	if not self.cast or self.cast == type(value) then
+		return value
+	elseif self.cast == "string" then
+		if type(value) == "table" then
+			return value[1]
+		end
+	elseif self.cast == "table" then
+		return {value}
+	end
 end
 
 -- Removes the section
@@ -989,6 +999,60 @@ function MultiValue.validate(self, val)
 	return result
 end
 
+
+StaticList = class(MultiValue)
+
+function StaticList.__init__(self, ...)
+	MultiValue.__init__(self, ...)
+	self.cast = "table"
+	self.valuelist = self.cfgvalue
+end
+
+function StaticList.validate(self, value)
+	value = (type(value) == "table") and value or {value}
+
+	local valid = {}
+	for i, v in ipairs(value) do
+		if luci.util.contains(self.valuelist, v) then
+			table.insert(valid, v)
+		end
+	end
+	return valid
+end
+
+
+DynamicList = class(AbstractValue)
+
+function DynamicList.__init__(self, ...)
+	AbstractValue.__init__(self, ...)
+	self.template  = "cbi/dynlist"
+	self.cast = "table"
+	
+	self.keylist = {}
+	self.vallist = {}
+end
+
+function DynamicList.value(self, key, val)
+	val = val or key
+	table.insert(self.keylist, tostring(key))
+	table.insert(self.vallist, tostring(val))
+end
+
+function DynamicList.validate(self, value, section)
+	value = (type(value) == "table") and value or {value}
+	
+	local valid = {}
+	for i, v in ipairs(value) do
+		if v and #v > 0 and
+		 not luci.http.formvalue("cbi.rle."..section.."."..self.option.."."..i) then
+			table.insert(valid, v)
+		end
+	end
+	
+	return valid
+end
+
+
 --[[
 TextValue - A multi-line value
 	rows:	Rows
diff --git a/libs/cbi/luasrc/view/cbi/dynlist.htm b/libs/cbi/luasrc/view/cbi/dynlist.htm
new file mode 100644
index 000000000..1368872d9
--- /dev/null
+++ b/libs/cbi/luasrc/view/cbi/dynlist.htm
@@ -0,0 +1,44 @@
+<%#
+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
+
+$Id$
+
+-%>
+<%+cbi/valueheader%>
+	local vals = self:cfgvalue(section)
+	for i=1, #vals + 1 do
+		local val = vals[i]
+%>
+	<input onchange="cbi_d_update(this.id)" type="text"<%= attr("id", cbid .. "." .. i) .. attr("name", cbid) .. ifattr(val, "value") .. ifattr(self.size, "size")%> />
+	<% if i <= #vals then %>
+		<input type="image" value="<%:cbi_del%>" name="cbi.rle.<%=section .. "." .. self.option .. "." i%>" alt="<%:cbi_del%>" title="<%:cbi_del%>" src="<%=resource%>/cbi/remove.gif" />
+	<% else %>
+		<input type="image" value="<%:cbi_add%>" name="cbi.ale.<%=section .. "." .. self.option%>" alt="<%:cbi_add%>" title="<%:cbi_add%>" src="<%=resource%>/cbi/add.gif" />
+	<% end %>
+	<% if #self.keylist > 0 then -%>
+		<script type="text/javascript">
+			cbi_combobox_init('<%=cbid .. "." .. i%>', {
+			<%-
+				for i, k in ipairs(self.keylist) do
+			-%>
+				<%-=string.format("%q", k) .. ":" .. string.format("%q", self.vallist[i])-%>,
+			<%-
+				end
+			-%>
+			}, '<%- if not self.rmempty and not self.optional then -%>
+				<%-:cbi_select-%>
+			<%- end -%>', '<%:cbi_manual%>');
+		</script>
+	<% end -%>
+	<br />
+<% if i <= #vals then %><br />
+<% end end %>
+<%+cbi/valuefooter%>
diff --git a/libs/cbi/luasrc/view/cbi/value.htm b/libs/cbi/luasrc/view/cbi/value.htm
index 51c78549c..0dc584146 100644
--- a/libs/cbi/luasrc/view/cbi/value.htm
+++ b/libs/cbi/luasrc/view/cbi/value.htm
@@ -13,7 +13,7 @@ $Id$
 
 -%>
 <%+cbi/valueheader%>
-	<input type="<%=self.password and 'password" class="cbi-input-key' or "text"%>" onchange="cbi_d_update(this.id)"<%= attr("name", cbid) .. attr("id", cbid) .. attr("value", self:cfgvalue(section)) .. ifattr(self.size, "size") .. ifattr(self.maxlength, "maxlength") %> />
+	<input type="<%=self.password and 'password" class="cbi-input-key' or "text"%>" onchange="cbi_d_update(this.id)"<%= attr("name", cbid) .. attr("id", cbid) .. attr("value", self:cfgvalue(section)) .. ifattr(self.size, "size")%> />
 	<% if #self.keylist > 0 then -%>
 	<script type="text/javascript">
 		cbi_combobox_init('<%=cbid%>', {
-- 
2.25.1