* luci/libs/cbi:

	- implement file upload fields
	- change default enctype in forms to multipart/form-data
	- add upload template
* luci/libs/web:
	- dispatch file uploads to cbi form fields
* luci/i18n:
	- add german and english translations for file upload fields

3 files changed, 71 insertions, 1 deletions

diff --git a/libs/cbi/luasrc/cbi.lua b/libs/cbi/luasrc/cbi.lua
index 97c453cf2..8cde0a177 100644
--- a/libs/cbi/luasrc/cbi.lua
+++ b/libs/cbi/luasrc/cbi.lua
@@ -30,6 +30,7 @@ require("luci.template")
 require("luci.util")
 require("luci.http")
 require("luci.uvl")
+require("luci.fs")
 
 local uci        = require("luci.model.uci")
 local class      = luci.util.class
@@ -1328,3 +1329,44 @@ function Button.__init__(self, ...)
 	self.inputstyle = nil
 	self.rmempty = true
 end
+
+
+FileUpload = class(AbstractValue)
+
+function FileUpload.__init__(self, ...)
+	AbstractValue.__init__(self, ...)
+	self.template = "cbi/upload"
+	if not self.map.upload_fields then
+		self.map.upload_fields = { self }
+	else
+		self.map.upload_fields[#self.map.upload_fields+1] = self
+	end
+end
+
+function FileUpload.cfgvalue(self, section)
+	local val = AbstractValue.cfgvalue(self, section)
+	if val and luci.fs.access(val) then
+		return val
+	end
+	return nil
+end
+
+function FileUpload.formvalue(self, section)
+	local val = AbstractValue.formvalue(self, section)
+	if val then
+		if not luci.http.formvalue("cbi.rlf."..section.."."..self.option) and
+		   not luci.http.formvalue("cbi.rlf."..section.."."..self.option..".x")
+		then
+			return val
+		end
+		luci.fs.unlink(val)
+		self.value = nil
+	end
+	return nil
+end
+
+function FileUpload.remove(self, section)
+	local val = AbstractValue.formvalue(self, section)
+	if val and luci.fs.access(val) then luci.fs.unlink(val) end
+	return AbstractValue.remove(self, section)
+end
diff --git a/libs/cbi/luasrc/view/cbi/header.htm b/libs/cbi/luasrc/view/cbi/header.htm
index ce5d66d77..3f60baf52 100644
--- a/libs/cbi/luasrc/view/cbi/header.htm
+++ b/libs/cbi/luasrc/view/cbi/header.htm
@@ -14,7 +14,7 @@ $Id$
 -%>
 
 <%+header%>
-<form method="post" action="<%=luci.http.getenv("REQUEST_URI")%>">
+<form method="post" action="<%=luci.http.getenv("REQUEST_URI")%>" enctype="multipart/form-data">
 	<div>
 		<script type="text/javascript" src="<%=resource%>/cbi.js"></script>
 		<input type="hidden" name="cbi.submit" value="1" />
diff --git a/libs/cbi/luasrc/view/cbi/upload.htm b/libs/cbi/luasrc/view/cbi/upload.htm
new file mode 100644
index 000000000..7e0ab1b50
--- /dev/null
+++ b/libs/cbi/luasrc/view/cbi/upload.htm
@@ -0,0 +1,28 @@
+<%#
+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
+
+$Id$
+
+-%>
+
+<%
+	local t = require("luci.tools.webadmin")
+	local v = self:cfgvalue(section)
+-%>
+<%+cbi/valueheader%>
+	<% if v then %>
+		<%:cbi_upload Uploaded File%> (<%=t.byte_format(luci.fs.stat(v).size or 0)%>)
+		<input type="hidden"<%= attr("value", v) .. attr("name", cbid) .. attr("id", cbid) %> />
+		<input type="image" value="<%:cbi_replace%>" name="cbi.rlf.<%=section .. "." .. self.option%>" alt="<%:cbi_replace%>" title="<%:cbi_replace%>" src="<%=resource%>/cbi/reload.gif" />
+	<% else %>
+		<input type="file"<%= attr("name", cbid) .. attr("id", cbid) %> />
+	<% end %>
+<%+cbi/valuefooter%>