mirror of
https://github.com/JamesonHuang/OpenWrt_Luci_Lua.git
synced 2024-11-23 22:00:11 +00:00
1851 lines
39 KiB
Lua
1851 lines
39 KiB
Lua
--[[
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LuCI - Configuration Bind Interface
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Description:
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Offers an interface for binding configuration values to certain
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data types. Supports value and range validation and basic dependencies.
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FileId:
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$Id: cbi.lua 9558 2012-12-18 13:58:22Z jow $
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License:
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Copyright 2008 Steven Barth <steven@midlink.org>
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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]]--
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module("luci.cbi", package.seeall)
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require("luci.template")
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local util = require("luci.util")
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require("luci.http")
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--local event = require "luci.sys.event"
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local fs = require("nixio.fs")
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local uci = require("luci.model.uci")
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local datatypes = require("luci.cbi.datatypes")
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local class = util.class
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local instanceof = util.instanceof
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FORM_NODATA = 0
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FORM_PROCEED = 0
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FORM_VALID = 1
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FORM_DONE = 1
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FORM_INVALID = -1
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FORM_CHANGED = 2
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FORM_SKIP = 4
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AUTO = true
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CREATE_PREFIX = "cbi.cts."
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REMOVE_PREFIX = "cbi.rts."
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RESORT_PREFIX = "cbi.sts."
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FEXIST_PREFIX = "cbi.cbe."
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-- Loads a CBI map from given file, creating an environment and returns it
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function load(cbimap, ...)
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local fs = require "nixio.fs"
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local i18n = require "luci.i18n"
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require("luci.config")
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require("luci.util")
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local upldir = "/lib/uci/upload/"
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local cbidir = luci.util.libpath() .. "/model/cbi/"
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local func, err
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if fs.access(cbidir..cbimap..".lua") then
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func, err = loadfile(cbidir..cbimap..".lua")
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elseif fs.access(cbimap) then
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func, err = loadfile(cbimap)
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else
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func, err = nil, "Model '" .. cbimap .. "' not found!"
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end
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assert(func, err)
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local env = {
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translate=i18n.translate,
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translatef=i18n.translatef,
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arg={...}
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}
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setfenv(func, setmetatable(env, {__index =
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function(tbl, key)
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return rawget(tbl, key) or _M[key] or _G[key]
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end}))
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local maps = { func() }
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local uploads = { }
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local has_upload = false
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for i, map in ipairs(maps) do
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if not instanceof(map, Node) then
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error("CBI map returns no valid map object!")
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return nil
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else
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map:prepare()
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if map.upload_fields then
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has_upload = true
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for _, field in ipairs(map.upload_fields) do
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uploads[
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field.config .. '.' ..
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(field.section.sectiontype or '1') .. '.' ..
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field.option
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] = true
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end
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end
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end
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end
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if has_upload then
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local uci = luci.model.uci.cursor()
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local prm = luci.http.context.request.message.params
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local fd, cbid
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luci.http.setfilehandler(
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function( field, chunk, eof )
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if not field then return end
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if field.name and not cbid then
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local c, s, o = field.name:gmatch(
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"cbid%.([^%.]+)%.([^%.]+)%.([^%.]+)"
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)()
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if c and s and o then
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local t = uci:get( c, s ) or s
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if uploads[c.."."..t.."."..o] then
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local path = upldir .. field.name
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fd = io.open(path, "w")
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if fd then
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cbid = field.name
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prm[cbid] = path
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end
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end
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end
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end
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if field.name == cbid and fd then
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fd:write(chunk)
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end
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if eof and fd then
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fd:close()
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fd = nil
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cbid = nil
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end
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end
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)
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end
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return maps
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end
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--
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-- Compile a datatype specification into a parse tree for evaluation later on
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--
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local cdt_cache = { }
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function compile_datatype(code)
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local i
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local pos = 0
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local esc = false
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local depth = 0
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local stack = { }
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for i = 1, #code+1 do
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local byte = code:byte(i) or 44
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if esc then
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esc = false
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elseif byte == 92 then
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esc = true
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elseif byte == 40 or byte == 44 then
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if depth <= 0 then
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if pos < i then
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local label = code:sub(pos, i-1)
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:gsub("\\(.)", "%1")
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:gsub("^%s+", "")
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:gsub("%s+$", "")
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if #label > 0 and tonumber(label) then
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stack[#stack+1] = tonumber(label)
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elseif label:match("^'.*'$") or label:match('^".*"$') then
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stack[#stack+1] = label:gsub("[\"'](.*)[\"']", "%1")
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elseif type(datatypes[label]) == "function" then
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stack[#stack+1] = datatypes[label]
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stack[#stack+1] = { }
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else
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error("Datatype error, bad token %q" % label)
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end
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end
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pos = i + 1
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end
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depth = depth + (byte == 40 and 1 or 0)
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elseif byte == 41 then
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depth = depth - 1
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if depth <= 0 then
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if type(stack[#stack-1]) ~= "function" then
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error("Datatype error, argument list follows non-function")
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end
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stack[#stack] = compile_datatype(code:sub(pos, i-1))
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pos = i + 1
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end
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end
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end
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return stack
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end
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function verify_datatype(dt, value)
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if dt and #dt > 0 then
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if not cdt_cache[dt] then
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local c = compile_datatype(dt)
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if c and type(c[1]) == "function" then
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cdt_cache[dt] = c
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else
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error("Datatype error, not a function expression")
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end
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end
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if cdt_cache[dt] then
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return cdt_cache[dt][1](value, unpack(cdt_cache[dt][2]))
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end
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end
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return true
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end
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-- Node pseudo abstract class
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Node = class()
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function Node.__init__(self, title, description)
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self.children = {}
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self.title = title or ""
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self.description = description or ""
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self.template = "cbi/node"
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end
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-- hook helper
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function Node._run_hook(self, hook)
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if type(self[hook]) == "function" then
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return self[hook](self)
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end
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end
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function Node._run_hooks(self, ...)
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local f
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local r = false
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for _, f in ipairs(arg) do
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if type(self[f]) == "function" then
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self[f](self)
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r = true
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end
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end
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return r
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end
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-- Prepare nodes
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function Node.prepare(self, ...)
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for k, child in ipairs(self.children) do
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child:prepare(...)
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end
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end
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-- Append child nodes
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function Node.append(self, obj)
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table.insert(self.children, obj)
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end
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-- Parse this node and its children
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function Node.parse(self, ...)
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for k, child in ipairs(self.children) do
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child:parse(...)
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end
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end
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-- Render this node
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function Node.render(self, scope)
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scope = scope or {}
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scope.self = self
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luci.template.render(self.template, scope)
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end
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-- Render the children
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function Node.render_children(self, ...)
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local k, node
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for k, node in ipairs(self.children) do
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node.last_child = (k == #self.children)
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node:render(...)
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end
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end
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--[[
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A simple template element
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]]--
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Template = class(Node)
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function Template.__init__(self, template)
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Node.__init__(self)
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self.template = template
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end
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function Template.render(self)
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luci.template.render(self.template, {self=self})
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end
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function Template.parse(self, readinput)
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self.readinput = (readinput ~= false)
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return Map.formvalue(self, "cbi.submit") and FORM_DONE or FORM_NODATA
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end
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--[[
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Map - A map describing a configuration file
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]]--
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Map = class(Node)
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function Map.__init__(self, config, ...)
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Node.__init__(self, ...)
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self.config = config
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self.parsechain = {self.config}
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self.template = "cbi/map"
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self.apply_on_parse = nil
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self.readinput = true
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self.proceed = false
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self.flow = {}
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self.uci = uci.cursor()
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self.save = true
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self.changed = false
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if not self.uci:load(self.config) then
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error("Unable to read UCI data: " .. self.config)
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end
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end
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function Map.formvalue(self, key)
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return self.readinput and luci.http.formvalue(key)
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end
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function Map.formvaluetable(self, key)
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return self.readinput and luci.http.formvaluetable(key) or {}
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end
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function Map.get_scheme(self, sectiontype, option)
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if not option then
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return self.scheme and self.scheme.sections[sectiontype]
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else
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return self.scheme and self.scheme.variables[sectiontype]
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and self.scheme.variables[sectiontype][option]
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end
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end
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function Map.submitstate(self)
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return self:formvalue("cbi.submit")
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end
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-- Chain foreign config
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function Map.chain(self, config)
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table.insert(self.parsechain, config)
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end
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function Map.state_handler(self, state)
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return state
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end
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-- Use optimized UCI writing
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function Map.parse(self, readinput, ...)
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self.readinput = (readinput ~= false)
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self:_run_hooks("on_parse")
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if self:formvalue("cbi.skip") then
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self.state = FORM_SKIP
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return self:state_handler(self.state)
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end
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Node.parse(self, ...)
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if self.save then
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self:_run_hooks("on_save", "on_before_save")
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for i, config in ipairs(self.parsechain) do
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self.uci:save(config)
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end
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self:_run_hooks("on_after_save")
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if self:submitstate() and ((not self.proceed and self.flow.autoapply) or luci.http.formvalue("cbi.apply")) then
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self:_run_hooks("on_before_commit")
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for i, config in ipairs(self.parsechain) do
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self.uci:commit(config)
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-- Refresh data because commit changes section names
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self.uci:load(config)
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end
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self:_run_hooks("on_commit", "on_after_commit", "on_before_apply")
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if self.apply_on_parse then
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self.uci:apply(self.parsechain)
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self:_run_hooks("on_apply", "on_after_apply")
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else
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-- This is evaluated by the dispatcher and delegated to the
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-- template which in turn fires XHR to perform the actual
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-- apply actions.
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self.apply_needed = true
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end
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-- Reparse sections
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Node.parse(self, true)
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end
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for i, config in ipairs(self.parsechain) do
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self.uci:unload(config)
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end
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if type(self.commit_handler) == "function" then
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self:commit_handler(self:submitstate())
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end
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end
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if self:submitstate() then
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if not self.save then
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self.state = FORM_INVALID
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elseif self.proceed then
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self.state = FORM_PROCEED
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else
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self.state = self.changed and FORM_CHANGED or FORM_VALID
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end
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else
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self.state = FORM_NODATA
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end
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return self:state_handler(self.state)
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end
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function Map.render(self, ...)
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self:_run_hooks("on_init")
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Node.render(self, ...)
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end
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-- Creates a child section
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function Map.section(self, class, ...)
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if instanceof(class, AbstractSection) then
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local obj = class(self, ...)
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self:append(obj)
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return obj
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else
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error("class must be a descendent of AbstractSection")
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end
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end
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-- UCI add
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function Map.add(self, sectiontype)
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return self.uci:add(self.config, sectiontype)
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end
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-- UCI set
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function Map.set(self, section, option, value)
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if type(value) ~= "table" or #value > 0 then
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if option then
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return self.uci:set(self.config, section, option, value)
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else
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return self.uci:set(self.config, section, value)
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end
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else
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return Map.del(self, section, option)
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end
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end
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-- UCI del
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function Map.del(self, section, option)
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if option then
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return self.uci:delete(self.config, section, option)
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else
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return self.uci:delete(self.config, section)
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end
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end
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-- UCI get
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function Map.get(self, section, option)
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if not section then
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return self.uci:get_all(self.config)
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elseif option then
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return self.uci:get(self.config, section, option)
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else
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return self.uci:get_all(self.config, section)
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end
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end
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--[[
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Compound - Container
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]]--
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Compound = class(Node)
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function Compound.__init__(self, ...)
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Node.__init__(self)
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self.template = "cbi/compound"
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self.children = {...}
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end
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function Compound.populate_delegator(self, delegator)
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for _, v in ipairs(self.children) do
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v.delegator = delegator
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end
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end
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function Compound.parse(self, ...)
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local cstate, state = 0
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for k, child in ipairs(self.children) do
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cstate = child:parse(...)
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state = (not state or cstate < state) and cstate or state
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end
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return state
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end
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--[[
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Delegator - Node controller
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]]--
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Delegator = class(Node)
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function Delegator.__init__(self, ...)
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Node.__init__(self, ...)
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self.nodes = {}
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self.defaultpath = {}
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self.pageaction = false
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self.readinput = true
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self.allow_reset = false
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self.allow_cancel = false
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self.allow_back = false
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self.allow_finish = false
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self.template = "cbi/delegator"
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end
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function Delegator.set(self, name, node)
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assert(not self.nodes[name], "Duplicate entry")
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self.nodes[name] = node
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end
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function Delegator.add(self, name, node)
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node = self:set(name, node)
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self.defaultpath[#self.defaultpath+1] = name
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end
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function Delegator.insert_after(self, name, after)
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local n = #self.chain + 1
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for k, v in ipairs(self.chain) do
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if v == after then
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n = k + 1
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break
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end
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end
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table.insert(self.chain, n, name)
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end
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function Delegator.set_route(self, ...)
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local n, chain, route = 0, self.chain, {...}
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for i = 1, #chain do
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if chain[i] == self.current then
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n = i
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break
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end
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end
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for i = 1, #route do
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n = n + 1
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chain[n] = route[i]
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end
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for i = n + 1, #chain do
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chain[i] = nil
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end
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end
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function Delegator.get(self, name)
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local node = self.nodes[name]
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if type(node) == "string" then
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node = load(node, name)
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end
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if type(node) == "table" and getmetatable(node) == nil then
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node = Compound(unpack(node))
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end
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return node
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end
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function Delegator.parse(self, ...)
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if self.allow_cancel and Map.formvalue(self, "cbi.cancel") then
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|
if self:_run_hooks("on_cancel") then
|
|
return FORM_DONE
|
|
end
|
|
end
|
|
|
|
if not Map.formvalue(self, "cbi.delg.current") then
|
|
self:_run_hooks("on_init")
|
|
end
|
|
|
|
local newcurrent
|
|
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")
|
|
|
|
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
|
|
newcurrent = self:get_next(self.current)
|
|
end
|
|
elseif stat < FORM_PROCEED then
|
|
return stat
|
|
end
|
|
|
|
|
|
if not Map.formvalue(self, "cbi.submit") then
|
|
return FORM_NODATA
|
|
elseif stat > FORM_PROCEED
|
|
and (not newcurrent or not self:get(newcurrent)) then
|
|
return self:_run_hook("on_done") or FORM_DONE
|
|
else
|
|
self.current = newcurrent or self.current
|
|
self.active = self:get(self.current)
|
|
if type(self.active) ~= "function" then
|
|
self.active:populate_delegator(self)
|
|
local stat = self.active:parse(false)
|
|
if stat == FORM_SKIP then
|
|
return self:parse(...)
|
|
else
|
|
return FORM_PROCEED
|
|
end
|
|
else
|
|
return self:parse(...)
|
|
end
|
|
end
|
|
end
|
|
|
|
function Delegator.get_next(self, state)
|
|
for k, v in ipairs(self.chain) do
|
|
if v == state then
|
|
return self.chain[k+1]
|
|
end
|
|
end
|
|
end
|
|
|
|
function Delegator.get_prev(self, state)
|
|
for k, v in ipairs(self.chain) do
|
|
if v == state then
|
|
return self.chain[k-1]
|
|
end
|
|
end
|
|
end
|
|
|
|
function Delegator.get_chain(self)
|
|
local x = Map.formvalue(self, "cbi.delg.path") or self.defaultpath
|
|
return type(x) == "table" and x or {x}
|
|
end
|
|
|
|
function Delegator.get_active(self)
|
|
return Map.formvalue(self, "cbi.delg.current") or self.chain[1]
|
|
end
|
|
|
|
--[[
|
|
Page - A simple node
|
|
]]--
|
|
|
|
Page = class(Node)
|
|
Page.__init__ = Node.__init__
|
|
Page.parse = function() end
|
|
|
|
|
|
--[[
|
|
SimpleForm - A Simple non-UCI form
|
|
]]--
|
|
SimpleForm = class(Node)
|
|
|
|
function SimpleForm.__init__(self, config, title, description, data)
|
|
Node.__init__(self, title, description)
|
|
self.config = config
|
|
self.data = data or {}
|
|
self.template = "cbi/simpleform"
|
|
self.dorender = true
|
|
self.pageaction = false
|
|
self.readinput = true
|
|
end
|
|
|
|
SimpleForm.formvalue = Map.formvalue
|
|
SimpleForm.formvaluetable = Map.formvaluetable
|
|
|
|
function SimpleForm.parse(self, readinput, ...)
|
|
self.readinput = (readinput ~= false)
|
|
|
|
if self:formvalue("cbi.skip") then
|
|
return FORM_SKIP
|
|
end
|
|
|
|
if self:formvalue("cbi.cancel") and self:_run_hooks("on_cancel") then
|
|
return FORM_DONE
|
|
end
|
|
|
|
if self:submitstate() then
|
|
Node.parse(self, 1, ...)
|
|
end
|
|
|
|
local valid = true
|
|
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])
|
|
and (not v.error)
|
|
end
|
|
end
|
|
|
|
local state =
|
|
not self:submitstate() and FORM_NODATA
|
|
or valid and FORM_VALID
|
|
or FORM_INVALID
|
|
|
|
self.dorender = not self.handle
|
|
if self.handle then
|
|
local nrender, nstate = self:handle(state, self.data)
|
|
self.dorender = self.dorender or (nrender ~= false)
|
|
state = nstate or state
|
|
end
|
|
return state
|
|
end
|
|
|
|
function SimpleForm.render(self, ...)
|
|
if self.dorender then
|
|
Node.render(self, ...)
|
|
end
|
|
end
|
|
|
|
function SimpleForm.submitstate(self)
|
|
return self:formvalue("cbi.submit")
|
|
end
|
|
|
|
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, section, ...)
|
|
obj.track_missing = true
|
|
section:append(obj)
|
|
return obj
|
|
else
|
|
error("class must be a descendent of AbstractValue")
|
|
end
|
|
end
|
|
|
|
function SimpleForm.set(self, section, option, value)
|
|
self.data[option] = value
|
|
end
|
|
|
|
|
|
function SimpleForm.del(self, section, option)
|
|
self.data[option] = nil
|
|
end
|
|
|
|
|
|
function SimpleForm.get(self, section, option)
|
|
return self.data[option]
|
|
end
|
|
|
|
|
|
function SimpleForm.get_scheme()
|
|
return nil
|
|
end
|
|
|
|
|
|
Form = class(SimpleForm)
|
|
|
|
function Form.__init__(self, ...)
|
|
SimpleForm.__init__(self, ...)
|
|
self.embedded = true
|
|
end
|
|
|
|
|
|
--[[
|
|
AbstractSection
|
|
]]--
|
|
AbstractSection = class(Node)
|
|
|
|
function AbstractSection.__init__(self, map, sectiontype, ...)
|
|
Node.__init__(self, ...)
|
|
self.sectiontype = sectiontype
|
|
self.map = map
|
|
self.config = map.config
|
|
self.optionals = {}
|
|
self.defaults = {}
|
|
self.fields = {}
|
|
self.tag_error = {}
|
|
self.tag_invalid = {}
|
|
self.tag_deperror = {}
|
|
self.changed = false
|
|
|
|
self.optional = true
|
|
self.addremove = false
|
|
self.dynamic = false
|
|
end
|
|
|
|
-- Define a tab for the section
|
|
function AbstractSection.tab(self, tab, title, desc)
|
|
self.tabs = self.tabs or { }
|
|
self.tab_names = self.tab_names or { }
|
|
|
|
self.tab_names[#self.tab_names+1] = tab
|
|
self.tabs[tab] = {
|
|
title = title,
|
|
description = desc,
|
|
childs = { }
|
|
}
|
|
end
|
|
|
|
-- Check whether the section has tabs
|
|
function AbstractSection.has_tabs(self)
|
|
return (self.tabs ~= nil) and (next(self.tabs) ~= nil)
|
|
end
|
|
|
|
-- Appends a new option
|
|
function AbstractSection.option(self, class, option, ...)
|
|
if instanceof(class, AbstractValue) then
|
|
local obj = class(self.map, self, option, ...)
|
|
self:append(obj)
|
|
self.fields[option] = obj
|
|
return obj
|
|
elseif class == true then
|
|
error("No valid class was given and autodetection failed.")
|
|
else
|
|
error("class must be a descendant of AbstractValue")
|
|
end
|
|
end
|
|
|
|
-- Appends a new tabbed option
|
|
function AbstractSection.taboption(self, tab, ...)
|
|
|
|
assert(tab and self.tabs and self.tabs[tab],
|
|
"Cannot assign option to not existing tab %q" % tostring(tab))
|
|
|
|
local l = self.tabs[tab].childs
|
|
local o = AbstractSection.option(self, ...)
|
|
|
|
if o then l[#l+1] = o end
|
|
|
|
return o
|
|
end
|
|
|
|
-- Render a single tab
|
|
function AbstractSection.render_tab(self, tab, ...)
|
|
|
|
assert(tab and self.tabs and self.tabs[tab],
|
|
"Cannot render not existing tab %q" % tostring(tab))
|
|
|
|
local k, node
|
|
for k, node in ipairs(self.tabs[tab].childs) do
|
|
node.last_child = (k == #self.tabs[tab].childs)
|
|
node:render(...)
|
|
end
|
|
end
|
|
|
|
-- Parse optional options
|
|
function AbstractSection.parse_optionals(self, section)
|
|
if not self.optional then
|
|
return
|
|
end
|
|
|
|
self.optionals[section] = {}
|
|
|
|
local field = self.map:formvalue("cbi.opt."..self.config.."."..section)
|
|
for k,v in ipairs(self.children) do
|
|
if v.optional and not v:cfgvalue(section) and not self:has_tabs() then
|
|
if field == v.option then
|
|
field = nil
|
|
self.map.proceed = true
|
|
else
|
|
table.insert(self.optionals[section], v)
|
|
end
|
|
end
|
|
end
|
|
|
|
if field and #field > 0 and self.dynamic then
|
|
self:add_dynamic(field)
|
|
end
|
|
end
|
|
|
|
-- Add a dynamic option
|
|
function AbstractSection.add_dynamic(self, field, optional)
|
|
local o = self:option(Value, field, field)
|
|
o.optional = optional
|
|
end
|
|
|
|
-- Parse all dynamic options
|
|
function AbstractSection.parse_dynamic(self, section)
|
|
if not self.dynamic then
|
|
return
|
|
end
|
|
|
|
local arr = luci.util.clone(self:cfgvalue(section))
|
|
local form = self.map:formvaluetable("cbid."..self.config.."."..section)
|
|
for k, v in pairs(form) do
|
|
arr[k] = v
|
|
end
|
|
|
|
for key,val in pairs(arr) do
|
|
local create = true
|
|
|
|
for i,c in ipairs(self.children) do
|
|
if c.option == key then
|
|
create = false
|
|
end
|
|
end
|
|
|
|
if create and key:sub(1, 1) ~= "." then
|
|
self.map.proceed = true
|
|
self:add_dynamic(key, true)
|
|
end
|
|
end
|
|
end
|
|
|
|
-- Returns the section's UCI table
|
|
function AbstractSection.cfgvalue(self, section)
|
|
return self.map:get(section)
|
|
end
|
|
|
|
-- Push events
|
|
function AbstractSection.push_events(self)
|
|
--luci.util.append(self.map.events, self.events)
|
|
self.map.changed = true
|
|
end
|
|
|
|
-- Removes the section
|
|
function AbstractSection.remove(self, section)
|
|
self.map.proceed = true
|
|
return self.map:del(section)
|
|
end
|
|
|
|
-- Creates the section
|
|
function AbstractSection.create(self, section)
|
|
local stat
|
|
|
|
if section then
|
|
stat = section:match("^[%w_]+$") and self.map:set(section, nil, self.sectiontype)
|
|
else
|
|
section = self.map:add(self.sectiontype)
|
|
stat = section
|
|
end
|
|
|
|
if stat then
|
|
for k,v in pairs(self.children) do
|
|
if v.default then
|
|
self.map:set(section, v.option, v.default)
|
|
end
|
|
end
|
|
|
|
for k,v in pairs(self.defaults) do
|
|
self.map:set(section, k, v)
|
|
end
|
|
end
|
|
|
|
self.map.proceed = true
|
|
|
|
return stat
|
|
end
|
|
|
|
|
|
SimpleSection = class(AbstractSection)
|
|
|
|
function SimpleSection.__init__(self, form, ...)
|
|
AbstractSection.__init__(self, form, nil, ...)
|
|
self.template = "cbi/nullsection"
|
|
end
|
|
|
|
|
|
Table = class(AbstractSection)
|
|
|
|
function Table.__init__(self, form, data, ...)
|
|
local datasource = {}
|
|
local tself = self
|
|
datasource.config = "table"
|
|
self.data = data or {}
|
|
|
|
datasource.formvalue = Map.formvalue
|
|
datasource.formvaluetable = Map.formvaluetable
|
|
datasource.readinput = true
|
|
|
|
function datasource.get(self, section, option)
|
|
return tself.data[section] and tself.data[section][option]
|
|
end
|
|
|
|
function datasource.submitstate(self)
|
|
return Map.formvalue(self, "cbi.submit")
|
|
end
|
|
|
|
function datasource.del(...)
|
|
return true
|
|
end
|
|
|
|
function datasource.get_scheme()
|
|
return nil
|
|
end
|
|
|
|
AbstractSection.__init__(self, datasource, "table", ...)
|
|
self.template = "cbi/tblsection"
|
|
self.rowcolors = true
|
|
self.anonymous = true
|
|
end
|
|
|
|
function Table.parse(self, readinput)
|
|
self.map.readinput = (readinput ~= false)
|
|
for i, k in ipairs(self:cfgsections()) do
|
|
if self.map:submitstate() then
|
|
Node.parse(self, k)
|
|
end
|
|
end
|
|
end
|
|
|
|
function Table.cfgsections(self)
|
|
local sections = {}
|
|
|
|
for i, v in luci.util.kspairs(self.data) do
|
|
table.insert(sections, i)
|
|
end
|
|
|
|
return sections
|
|
end
|
|
|
|
function Table.update(self, data)
|
|
self.data = data
|
|
end
|
|
|
|
|
|
|
|
--[[
|
|
NamedSection - A fixed configuration section defined by its name
|
|
]]--
|
|
NamedSection = class(AbstractSection)
|
|
|
|
function NamedSection.__init__(self, map, section, stype, ...)
|
|
AbstractSection.__init__(self, map, stype, ...)
|
|
|
|
-- Defaults
|
|
self.addremove = false
|
|
self.template = "cbi/nsection"
|
|
self.section = section
|
|
end
|
|
|
|
function NamedSection.parse(self, novld)
|
|
local s = self.section
|
|
local active = self:cfgvalue(s)
|
|
|
|
if self.addremove then
|
|
local path = self.config.."."..s
|
|
if active then -- Remove the section
|
|
if self.map:formvalue("cbi.rns."..path) and self:remove(s) then
|
|
self:push_events()
|
|
return
|
|
end
|
|
else -- Create and apply default values
|
|
if self.map:formvalue("cbi.cns."..path) then
|
|
self:create(s)
|
|
return
|
|
end
|
|
end
|
|
end
|
|
|
|
if active then
|
|
AbstractSection.parse_dynamic(self, s)
|
|
if self.map:submitstate() then
|
|
Node.parse(self, s)
|
|
end
|
|
AbstractSection.parse_optionals(self, s)
|
|
|
|
if self.changed then
|
|
self:push_events()
|
|
end
|
|
end
|
|
end
|
|
|
|
|
|
--[[
|
|
TypedSection - A (set of) configuration section(s) defined by the type
|
|
addremove: Defines whether the user can add/remove sections of this type
|
|
anonymous: Allow creating anonymous sections
|
|
validate: a validation function returning nil if the section is invalid
|
|
]]--
|
|
TypedSection = class(AbstractSection)
|
|
|
|
function TypedSection.__init__(self, map, type, ...)
|
|
AbstractSection.__init__(self, map, type, ...)
|
|
|
|
self.template = "cbi/tsection"
|
|
self.deps = {}
|
|
self.anonymous = false
|
|
end
|
|
|
|
-- Return all matching UCI sections for this TypedSection
|
|
function TypedSection.cfgsections(self)
|
|
local sections = {}
|
|
self.map.uci:foreach(self.map.config, self.sectiontype,
|
|
function (section)
|
|
if self:checkscope(section[".name"]) then
|
|
table.insert(sections, section[".name"])
|
|
end
|
|
end)
|
|
|
|
return sections
|
|
end
|
|
|
|
-- Limits scope to sections that have certain option => value pairs
|
|
function TypedSection.depends(self, option, value)
|
|
table.insert(self.deps, {option=option, value=value})
|
|
end
|
|
|
|
function TypedSection.parse(self, novld)
|
|
if self.addremove then
|
|
-- Remove
|
|
local crval = REMOVE_PREFIX .. self.config
|
|
local name = self.map:formvaluetable(crval)
|
|
for k,v in pairs(name) do
|
|
if k:sub(-2) == ".x" then
|
|
k = k:sub(1, #k - 2)
|
|
end
|
|
if self:cfgvalue(k) and self:checkscope(k) then
|
|
self:remove(k)
|
|
end
|
|
end
|
|
end
|
|
|
|
local co
|
|
for i, k in ipairs(self:cfgsections()) do
|
|
AbstractSection.parse_dynamic(self, k)
|
|
if self.map:submitstate() then
|
|
Node.parse(self, k, novld)
|
|
end
|
|
AbstractSection.parse_optionals(self, k)
|
|
end
|
|
|
|
if self.addremove then
|
|
-- Create
|
|
local created
|
|
local crval = CREATE_PREFIX .. self.config .. "." .. self.sectiontype
|
|
local origin, name = next(self.map:formvaluetable(crval))
|
|
if self.anonymous then
|
|
if name then
|
|
created = self:create(nil, origin)
|
|
end
|
|
else
|
|
if name then
|
|
-- Ignore if it already exists
|
|
if self:cfgvalue(name) then
|
|
name = nil;
|
|
end
|
|
|
|
name = self:checkscope(name)
|
|
|
|
if not name then
|
|
self.err_invalid = true
|
|
end
|
|
|
|
if name and #name > 0 then
|
|
created = self:create(name, origin) and name
|
|
if not created then
|
|
self.invalid_cts = true
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
if created then
|
|
AbstractSection.parse_optionals(self, created)
|
|
end
|
|
end
|
|
|
|
if self.sortable then
|
|
local stval = RESORT_PREFIX .. self.config .. "." .. self.sectiontype
|
|
local order = self.map:formvalue(stval)
|
|
if order and #order > 0 then
|
|
local sid
|
|
local num = 0
|
|
for sid in util.imatch(order) do
|
|
self.map.uci:reorder(self.config, sid, num)
|
|
num = num + 1
|
|
end
|
|
self.changed = (num > 0)
|
|
end
|
|
end
|
|
|
|
if created or self.changed then
|
|
self:push_events()
|
|
end
|
|
end
|
|
|
|
-- Verifies scope of sections
|
|
function TypedSection.checkscope(self, section)
|
|
-- Check if we are not excluded
|
|
if self.filter and not self:filter(section) then
|
|
return nil
|
|
end
|
|
|
|
-- Check if at least one dependency is met
|
|
if #self.deps > 0 and self:cfgvalue(section) then
|
|
local stat = false
|
|
|
|
for k, v in ipairs(self.deps) do
|
|
if self:cfgvalue(section)[v.option] == v.value then
|
|
stat = true
|
|
end
|
|
end
|
|
|
|
if not stat then
|
|
return nil
|
|
end
|
|
end
|
|
|
|
return self:validate(section)
|
|
end
|
|
|
|
|
|
-- Dummy validate function
|
|
function TypedSection.validate(self, section)
|
|
return section
|
|
end
|
|
|
|
|
|
--[[
|
|
AbstractValue - An abstract Value Type
|
|
null: Value can be empty
|
|
valid: A function returning the value if it is valid otherwise nil
|
|
depends: A table of option => value pairs of which one must be true
|
|
default: The default value
|
|
size: The size of the input fields
|
|
rmempty: Unset value if empty
|
|
optional: This value is optional (see AbstractSection.optionals)
|
|
]]--
|
|
AbstractValue = class(Node)
|
|
|
|
function AbstractValue.__init__(self, map, section, option, ...)
|
|
Node.__init__(self, ...)
|
|
self.section = section
|
|
self.option = option
|
|
self.map = map
|
|
self.config = map.config
|
|
self.tag_invalid = {}
|
|
self.tag_missing = {}
|
|
self.tag_reqerror = {}
|
|
self.tag_error = {}
|
|
self.deps = {}
|
|
self.subdeps = {}
|
|
--self.cast = "string"
|
|
|
|
self.track_missing = false
|
|
self.rmempty = true
|
|
self.default = nil
|
|
self.size = nil
|
|
self.optional = false
|
|
end
|
|
|
|
function AbstractValue.prepare(self)
|
|
self.cast = self.cast or "string"
|
|
end
|
|
|
|
-- Add a dependencie to another section field
|
|
function AbstractValue.depends(self, field, value)
|
|
local deps
|
|
if type(field) == "string" then
|
|
deps = {}
|
|
deps[field] = value
|
|
else
|
|
deps = field
|
|
end
|
|
|
|
table.insert(self.deps, {deps=deps, add=""})
|
|
end
|
|
|
|
-- Generates the unique CBID
|
|
function AbstractValue.cbid(self, section)
|
|
return "cbid."..self.map.config.."."..section.."."..self.option
|
|
end
|
|
|
|
-- Return whether this object should be created
|
|
function AbstractValue.formcreated(self, section)
|
|
local key = "cbi.opt."..self.config.."."..section
|
|
return (self.map:formvalue(key) == self.option)
|
|
end
|
|
|
|
-- Returns the formvalue for this object
|
|
function AbstractValue.formvalue(self, section)
|
|
return self.map:formvalue(self:cbid(section))
|
|
end
|
|
|
|
function AbstractValue.additional(self, value)
|
|
self.optional = value
|
|
end
|
|
|
|
function AbstractValue.mandatory(self, value)
|
|
self.rmempty = not value
|
|
end
|
|
|
|
function AbstractValue.add_error(self, section, type, msg)
|
|
self.error = self.error or { }
|
|
self.error[section] = msg or type
|
|
|
|
self.section.error = self.section.error or { }
|
|
self.section.error[section] = self.section.error[section] or { }
|
|
table.insert(self.section.error[section], msg or type)
|
|
|
|
if type == "invalid" then
|
|
self.tag_invalid[section] = true
|
|
elseif type == "missing" then
|
|
self.tag_missing[section] = true
|
|
end
|
|
|
|
self.tag_error[section] = true
|
|
self.map.save = false
|
|
end
|
|
|
|
function AbstractValue.parse(self, section, novld)
|
|
local fvalue = self:formvalue(section)
|
|
local cvalue = self:cfgvalue(section)
|
|
|
|
-- If favlue and cvalue are both tables and have the same content
|
|
-- make them identical
|
|
if type(fvalue) == "table" and type(cvalue) == "table" then
|
|
local equal = #fvalue == #cvalue
|
|
if equal then
|
|
for i=1, #fvalue do
|
|
if cvalue[i] ~= fvalue[i] then
|
|
equal = false
|
|
end
|
|
end
|
|
end
|
|
if equal then
|
|
fvalue = cvalue
|
|
end
|
|
end
|
|
|
|
if fvalue and #fvalue > 0 then -- If we have a form value, write it to UCI
|
|
local val_err
|
|
fvalue, val_err = self:validate(fvalue, section)
|
|
fvalue = self:transform(fvalue)
|
|
|
|
if not fvalue and not novld then
|
|
self:add_error(section, "invalid", val_err)
|
|
end
|
|
|
|
if fvalue and (self.forcewrite or not (fvalue == cvalue)) then
|
|
if self:write(section, fvalue) then
|
|
-- Push events
|
|
self.section.changed = true
|
|
--luci.util.append(self.map.events, self.events)
|
|
end
|
|
end
|
|
else -- Unset the UCI or error
|
|
if self.rmempty or self.optional then
|
|
if self:remove(section) then
|
|
-- Push events
|
|
self.section.changed = true
|
|
--luci.util.append(self.map.events, self.events)
|
|
end
|
|
elseif cvalue ~= fvalue and not novld then
|
|
-- trigger validator with nil value to get custom user error msg.
|
|
local _, val_err = self:validate(nil, section)
|
|
self:add_error(section, "missing", val_err)
|
|
end
|
|
end
|
|
end
|
|
|
|
-- Render if this value exists or if it is mandatory
|
|
function AbstractValue.render(self, s, scope)
|
|
if not self.optional or self.section:has_tabs() or self:cfgvalue(s) or self:formcreated(s) then
|
|
scope = scope or {}
|
|
scope.section = s
|
|
scope.cbid = self:cbid(s)
|
|
Node.render(self, scope)
|
|
end
|
|
end
|
|
|
|
-- Return the UCI value of this object
|
|
function AbstractValue.cfgvalue(self, section)
|
|
local value
|
|
if self.tag_error[section] then
|
|
value = self:formvalue(section)
|
|
else
|
|
value = self.map:get(section, self.option)
|
|
end
|
|
|
|
if not value then
|
|
return nil
|
|
elseif 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
|
|
|
|
-- Validate the form value
|
|
function AbstractValue.validate(self, value)
|
|
if self.datatype and value then
|
|
if type(value) == "table" then
|
|
local v
|
|
for _, v in ipairs(value) do
|
|
if v and #v > 0 and not verify_datatype(self.datatype, v) then
|
|
return nil
|
|
end
|
|
end
|
|
else
|
|
if not verify_datatype(self.datatype, value) then
|
|
return nil
|
|
end
|
|
end
|
|
end
|
|
|
|
return value
|
|
end
|
|
|
|
AbstractValue.transform = AbstractValue.validate
|
|
|
|
|
|
-- Write to UCI
|
|
function AbstractValue.write(self, section, value)
|
|
return self.map:set(section, self.option, value)
|
|
end
|
|
|
|
-- Remove from UCI
|
|
function AbstractValue.remove(self, section)
|
|
return self.map:del(section, self.option)
|
|
end
|
|
|
|
|
|
|
|
|
|
--[[
|
|
Value - A one-line value
|
|
maxlength: The maximum length
|
|
]]--
|
|
Value = class(AbstractValue)
|
|
|
|
function Value.__init__(self, ...)
|
|
AbstractValue.__init__(self, ...)
|
|
self.template = "cbi/value"
|
|
self.keylist = {}
|
|
self.vallist = {}
|
|
end
|
|
|
|
function Value.reset_values(self)
|
|
self.keylist = {}
|
|
self.vallist = {}
|
|
end
|
|
|
|
function Value.value(self, key, val)
|
|
val = val or key
|
|
table.insert(self.keylist, tostring(key))
|
|
table.insert(self.vallist, tostring(val))
|
|
end
|
|
|
|
|
|
-- DummyValue - This does nothing except being there
|
|
DummyValue = class(AbstractValue)
|
|
|
|
function DummyValue.__init__(self, ...)
|
|
AbstractValue.__init__(self, ...)
|
|
self.template = "cbi/dvalue"
|
|
self.value = nil
|
|
end
|
|
|
|
function DummyValue.cfgvalue(self, section)
|
|
local value
|
|
if self.value then
|
|
if type(self.value) == "function" then
|
|
value = self:value(section)
|
|
else
|
|
value = self.value
|
|
end
|
|
else
|
|
value = AbstractValue.cfgvalue(self, section)
|
|
end
|
|
return value
|
|
end
|
|
|
|
function DummyValue.parse(self)
|
|
|
|
end
|
|
|
|
|
|
--[[
|
|
Flag - A flag being enabled or disabled
|
|
]]--
|
|
Flag = class(AbstractValue)
|
|
|
|
function Flag.__init__(self, ...)
|
|
AbstractValue.__init__(self, ...)
|
|
self.template = "cbi/fvalue"
|
|
|
|
self.enabled = "1"
|
|
self.disabled = "0"
|
|
self.default = self.disabled
|
|
end
|
|
|
|
-- A flag can only have two states: set or unset
|
|
function Flag.parse(self, section)
|
|
local fexists = self.map:formvalue(
|
|
FEXIST_PREFIX .. self.config .. "." .. section .. "." .. self.option)
|
|
|
|
if fexists then
|
|
local fvalue = self:formvalue(section) and self.enabled or self.disabled
|
|
if fvalue ~= self.default or (not self.optional and not self.rmempty) then
|
|
self:write(section, fvalue)
|
|
else
|
|
self:remove(section)
|
|
end
|
|
else
|
|
self:remove(section)
|
|
end
|
|
end
|
|
|
|
function Flag.cfgvalue(self, section)
|
|
return AbstractValue.cfgvalue(self, section) or self.default
|
|
end
|
|
|
|
|
|
--[[
|
|
ListValue - A one-line value predefined in a list
|
|
widget: The widget that will be used (select, radio)
|
|
]]--
|
|
ListValue = class(AbstractValue)
|
|
|
|
function ListValue.__init__(self, ...)
|
|
AbstractValue.__init__(self, ...)
|
|
self.template = "cbi/lvalue"
|
|
|
|
self.keylist = {}
|
|
self.vallist = {}
|
|
self.size = 1
|
|
self.widget = "select"
|
|
end
|
|
|
|
function ListValue.reset_values(self)
|
|
self.keylist = {}
|
|
self.vallist = {}
|
|
end
|
|
|
|
function ListValue.value(self, key, val, ...)
|
|
if luci.util.contains(self.keylist, key) then
|
|
return
|
|
end
|
|
|
|
val = val or key
|
|
table.insert(self.keylist, tostring(key))
|
|
table.insert(self.vallist, tostring(val))
|
|
|
|
for i, deps in ipairs({...}) do
|
|
self.subdeps[#self.subdeps + 1] = {add = "-"..key, deps=deps}
|
|
end
|
|
end
|
|
|
|
function ListValue.validate(self, val)
|
|
if luci.util.contains(self.keylist, val) then
|
|
return val
|
|
else
|
|
return nil
|
|
end
|
|
end
|
|
|
|
|
|
|
|
--[[
|
|
MultiValue - Multiple delimited values
|
|
widget: The widget that will be used (select, checkbox)
|
|
delimiter: The delimiter that will separate the values (default: " ")
|
|
]]--
|
|
MultiValue = class(AbstractValue)
|
|
|
|
function MultiValue.__init__(self, ...)
|
|
AbstractValue.__init__(self, ...)
|
|
self.template = "cbi/mvalue"
|
|
|
|
self.keylist = {}
|
|
self.vallist = {}
|
|
|
|
self.widget = "checkbox"
|
|
self.delimiter = " "
|
|
end
|
|
|
|
function MultiValue.render(self, ...)
|
|
if self.widget == "select" and not self.size then
|
|
self.size = #self.vallist
|
|
end
|
|
|
|
AbstractValue.render(self, ...)
|
|
end
|
|
|
|
function MultiValue.reset_values(self)
|
|
self.keylist = {}
|
|
self.vallist = {}
|
|
end
|
|
|
|
function MultiValue.value(self, key, val)
|
|
if luci.util.contains(self.keylist, key) then
|
|
return
|
|
end
|
|
|
|
val = val or key
|
|
table.insert(self.keylist, tostring(key))
|
|
table.insert(self.vallist, tostring(val))
|
|
end
|
|
|
|
function MultiValue.valuelist(self, section)
|
|
local val = self:cfgvalue(section)
|
|
|
|
if not(type(val) == "string") then
|
|
return {}
|
|
end
|
|
|
|
return luci.util.split(val, self.delimiter)
|
|
end
|
|
|
|
function MultiValue.validate(self, val)
|
|
val = (type(val) == "table") and val or {val}
|
|
|
|
local result
|
|
|
|
for i, value in ipairs(val) do
|
|
if luci.util.contains(self.keylist, value) then
|
|
result = result and (result .. self.delimiter .. value) or value
|
|
end
|
|
end
|
|
|
|
return result
|
|
end
|
|
|
|
|
|
StaticList = class(MultiValue)
|
|
|
|
function StaticList.__init__(self, ...)
|
|
MultiValue.__init__(self, ...)
|
|
self.cast = "table"
|
|
self.valuelist = self.cfgvalue
|
|
|
|
if not self.override_scheme
|
|
and self.map:get_scheme(self.section.sectiontype, self.option) then
|
|
local vs = self.map:get_scheme(self.section.sectiontype, self.option)
|
|
if self.value and vs.values and not self.override_values then
|
|
for k, v in pairs(vs.values) do
|
|
self:value(k, v)
|
|
end
|
|
end
|
|
end
|
|
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.keylist, 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.reset_values(self)
|
|
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.write(self, section, value)
|
|
local t = { }
|
|
|
|
if type(value) == "table" then
|
|
local x
|
|
for _, x in ipairs(value) do
|
|
if x and #x > 0 then
|
|
t[#t+1] = x
|
|
end
|
|
end
|
|
else
|
|
t = { value }
|
|
end
|
|
|
|
if self.cast == "string" then
|
|
value = table.concat(t, " ")
|
|
else
|
|
value = t
|
|
end
|
|
|
|
return AbstractValue.write(self, section, value)
|
|
end
|
|
|
|
function DynamicList.cfgvalue(self, section)
|
|
local value = AbstractValue.cfgvalue(self, section)
|
|
|
|
if type(value) == "string" then
|
|
local x
|
|
local t = { }
|
|
for x in value:gmatch("%S+") do
|
|
if #x > 0 then
|
|
t[#t+1] = x
|
|
end
|
|
end
|
|
value = t
|
|
end
|
|
|
|
return value
|
|
end
|
|
|
|
function DynamicList.formvalue(self, section)
|
|
local value = AbstractValue.formvalue(self, section)
|
|
|
|
if type(value) == "string" then
|
|
if self.cast == "string" then
|
|
local x
|
|
local t = { }
|
|
for x in value:gmatch("%S+") do
|
|
t[#t+1] = x
|
|
end
|
|
value = t
|
|
else
|
|
value = { value }
|
|
end
|
|
end
|
|
|
|
return value
|
|
end
|
|
|
|
|
|
--[[
|
|
TextValue - A multi-line value
|
|
rows: Rows
|
|
]]--
|
|
TextValue = class(AbstractValue)
|
|
|
|
function TextValue.__init__(self, ...)
|
|
AbstractValue.__init__(self, ...)
|
|
self.template = "cbi/tvalue"
|
|
end
|
|
|
|
--[[
|
|
Button
|
|
]]--
|
|
Button = class(AbstractValue)
|
|
|
|
function Button.__init__(self, ...)
|
|
AbstractValue.__init__(self, ...)
|
|
self.template = "cbi/button"
|
|
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.formcreated(self, section)
|
|
return AbstractValue.formcreated(self, section) or
|
|
self.map:formvalue("cbi.rlf."..section.."."..self.option) or
|
|
self.map:formvalue("cbi.rlf."..section.."."..self.option..".x")
|
|
end
|
|
|
|
function FileUpload.cfgvalue(self, section)
|
|
local val = AbstractValue.cfgvalue(self, section)
|
|
if val and 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 self.map:formvalue("cbi.rlf."..section.."."..self.option) and
|
|
not self.map:formvalue("cbi.rlf."..section.."."..self.option..".x")
|
|
then
|
|
return val
|
|
end
|
|
fs.unlink(val)
|
|
self.value = nil
|
|
end
|
|
return nil
|
|
end
|
|
|
|
function FileUpload.remove(self, section)
|
|
local val = AbstractValue.formvalue(self, section)
|
|
if val and fs.access(val) then fs.unlink(val) end
|
|
return AbstractValue.remove(self, section)
|
|
end
|
|
|
|
|
|
FileBrowser = class(AbstractValue)
|
|
|
|
function FileBrowser.__init__(self, ...)
|
|
AbstractValue.__init__(self, ...)
|
|
self.template = "cbi/browser"
|
|
end
|