annotate framework/env/request/get_json_request_slots.lua @ 75:faedbc8615e0
Allow particular records to be selected and/or disabled in ui.field.select{...}, even if they share the same key, and never select more than one record
| author |
jbe |
| date |
Wed Jun 20 00:35:02 2012 +0200 (2012-06-20) |
| parents |
605488fbf809 |
| children |
|
| rev |
line source |
|
jbe@1
|
1 --[[--
|
|
jbe@1
|
2 slot_idents = -- list of names of slots to be returned as JSON data
|
|
jbe@1
|
3 request.get_json_request_slots()
|
|
jbe@1
|
4
|
|
jbe@1
|
5 If the current request is no JSON request, this function returns nil, otherwise a list of names of all slots to be returned in JSON format. This function also throws an error, if JSON data was requested, but request.set_allowed_json_request_slots(...) has not been called.
|
|
jbe@1
|
6
|
|
jbe@1
|
7 --]]--
|
|
jbe@1
|
8
|
|
jbe@1
|
9 function request.get_json_request_slots(slot_idents)
|
|
bsw@24
|
10 if not cgi then return end
|
|
jbe@1
|
11 local slot_idents = cgi.params["_webmcp_json_slots[]"]
|
|
jbe@1
|
12 if slot_idents and not request._json_requests_allowed then
|
|
jbe@1
|
13 error("JSON requests have not been allowed using request.set_allowed_json_request_slots(...).")
|
|
jbe@1
|
14 end
|
|
jbe@1
|
15 return slot_idents
|
|
jbe@1
|
16 end
|