1 --[[--

2 ui.field.date{

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

4 }

5

6 This function inserts a field for dates in the active slot. If the JavaScript library "gregor.js" has been loaded, a rich input field is used. For description of the generic field helper arguments, see help for ui.autofield{...}.

7

8 --]]--

9

10 function ui.field.date(args)

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

12 local value_string = format.date(args.value, args.format_options)

13 if args.readonly then

14 ui.tag{ tag = args.tag, attr = args.attr, content = value_string }

15 else

16 local fallback_data = slot.use_temporary(function()

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

18 attr.type = "text"

19 attr.name = args.html_name

20 attr.value = value_string

21 attr.class = attr.class or "ui_field_date"

22 ui.tag{ tag = "input", attr = attr }

23 ui.hidden_field{

24 name = args.html_name .. "__format",

25 value = encode.format_info("date", args.format_options)

26 }

27 end)

28 local user_field_id, hidden_field_id

29 local helper_data = slot.use_temporary(function()

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

31 user_field_id = attr.id or ui.create_unique_id()

32 hidden_field_id = ui.create_unique_id()

33 attr.id = user_field_id

34 attr.type = "text"

35 attr.class = attr.class or "ui_field_date"

36 ui.tag{ tag = "input", attr = attr }

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

38 attr.id = hidden_field_id

39 attr.type = "hidden"

40 attr.name = args.html_name

41 attr.value = atom.dump(args.value) -- extra safety for JS failure

42 ui.tag{

43 tag = "input",

44 attr = {

45 id = hidden_field_id,

46 type = "hidden",

47 name = args.html_name

48 }

49 }

50 end)

51 -- TODO: localization

52 ui.script{

53 noscript = fallback_data,

54 type = "text/javascript",

55 content = function()

56 slot.put(

57 "if (gregor_addGui == null) document.write(",

58 encode.json(fallback_data),

59 "); else { document.write(",

60 encode.json(helper_data),

61 "); gregor_addGui({element_id: ",

62 encode.json(user_field_id),

63 ", month_names: ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'], weekday_names: ['Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa', 'Su'], week_numbers: 'left', format: 'DD.MM.YYYY', selected: "

64 )

65 if (args.value) then

66 slot.put(

67 "{year: ", tostring(args.value.year),

68 ", month: ", tostring(args.value.month),

69 ", day: ", tostring(args.value.day),

70 "}"

71 )

72 else

73 slot.put("null")

74 end

75 slot.put(

76 ", select_callback: function(date) { document.getElementById(",

77 encode.json(hidden_field_id),

78 ").value = (date == null) ? '' : date.iso_string; } } ) }"

79 )

80 end

81 }

82 end

83 end)

84 end