1 --[[--

2 ui.field.select{

3 ... -- generic ui.field.* arguments, as described for ui.autofield{...}

4 foreign_records = foreign_records, -- list of records to be chosen from, or function returning such a list

5 foreign_id = foreign_id, -- name of id field in foreign records

6 foreign_name = foreign_name, -- name of field to be used as name in foreign records

7 format_options = format_options -- format options for format.string

8 disabled_records = disabled_records -- table of record keys that should be disabled (NOTE: Preliminary. Argument name may change in future releases.)

9 }

10

11 This function inserts a select field in the active slot. For description of the generic field helper arguments, see help for ui.autofield{...}.

12

13 --]]--

14

15 -- TODO: Find better name for "disabled_records"

16

17 function ui.field.select(args)

18 ui.form_element(args, {fetch_value = true}, function(args)

19 local foreign_records = args.foreign_records

20 if type(foreign_records) == "function" then

21 foreign_records = foreign_records(args.record)

22 end

23 if args.readonly then

24 local name

25 for idx, record in ipairs(foreign_records) do

26 if record[args.foreign_id] == args.value then

27 name = record[args.foreign_name]

28 break

29 end

30 end

31 ui.tag{

32 tag = args.tag,

33 attr = args.attr,

34 content = format.string(name, args.format_options)

35 }

36 else

37 local attr = table.new(args.attr)

38 attr.name = args.html_name

39 ui.tag{

40 tag = "select",

41 attr = attr,

42 content = function()

43 if args.nil_as then

44 ui.tag{

45 tag = "option",

46 attr = { value = "" },

47 content = format.string(

48 args.nil_as,

49 args.format_options

50 )

51 }

52 end

53 for idx, record in ipairs(foreign_records) do

54 local key = record[args.foreign_id]

55 ui.tag{

56 tag = "option",

57 attr = {

58 value = key,

59 disabled = ((args.disabled_records and args.disabled_records[key] and "1" ) or nil),

60 selected = ((key == args.value) and "selected" or nil)

61 },

62 content = format.string(

63 record[args.foreign_name],

64 args.format_options

65 )

66 }

67 end

68 end

69 }

70 end

71 end)

72 end