1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/framework/env/param/get_id.lua	Sun Oct 25 12:00:00 2009 +0100
     1.3 @@ -0,0 +1,22 @@
     1.4 +--[[--
     1.5 +value =        -- value of the id casted to the chosen param_type
     1.6 +param.get_id(
     1.7 +  param_type   -- desired type of the returned value
     1.8 +)
     1.9 +
    1.10 +Same as param.get(...), but operates on a special id parameter. An id is set via a __webmcp_id GET or POST parameter or an 'id' option to execute.view{...} or execute.action{...}. In a normal setup a beauty URL of the form http://www.example.com/example-application/example-module/example-view/<id>.html will cause the id to be set.
    1.11 +
    1.12 +--]]--
    1.13 +
    1.14 +function param.get_id(param_type)
    1.15 +  local param_type = param_type or atom.integer
    1.16 +  if param._exchanged then
    1.17 +    local value = param._exchanged.id
    1.18 +    if value ~= nil and not atom.has_type(value, param_type) then
    1.19 +      error("Parameter has unexpected type.")
    1.20 +    end
    1.21 +    return value
    1.22 +  else
    1.23 +    return param.get("_webmcp_id", param_type)
    1.24 +  end
    1.25 +end