1 --[[--

2 ui.container{

3 auto_args = auto_args,

4 attr = attr, -- HTML attributes for the surrounding div or fieldset

5 label = label, -- text to be used as label

6 label_for = label_for, -- DOM id of element to which the label should refer

7 label_attr = label_attr, -- extra HTML attributes for a label tag

8 legend = legend, -- text to be used as legend

9 legend_attr = legend_attr, -- HTML attributes for a legend tag

10 content_first = content_first, -- set to true to place label or legend after the content

11 content = function()

12 ...

13 end

14 }

15

16 This function encloses content in a div element (or a fieldset element, if 'legend' is given). An additional 'label' or 'legend' can be placed before the content or after the content. The argument 'auto_args' is set by other ui helper functions when calling ui.container automatically.

17

18 --]]--

19

20 function ui.container(args)

21 local attr, label, label_attr, legend, legend_attr, content

22 local auto_args = args.auto_args

23 if auto_args then

24 attr = auto_args.container_attr

25 label = auto_args.label

26 label_attr = auto_args.label_attr

27 legend = auto_args.legend

28 legend_attr = auto_args.legend_attr

29 if label and auto_args.attr and auto_args.attr.id then

30 label_attr = table.new(label_attr)

31 label_attr["for"] = auto_args.attr.id

32 end

33 else

34 attr = args.attr

35 label = args.label

36 label_attr = args.label_attr or {}

37 legend = args.legend

38 legend_attr = args.legend_attr

39 content = content

40 if args.label_for then

41 label_attr["for"] = args.label_for

42 end

43 end

44 local content = args.content

45 if label and not legend then

46 return ui.tag {

47 tag = "div",

48 attr = attr,

49 content = function()

50 if not args.content_first then

51 ui.tag{ tag = "label", attr = label_attr, content = label }

52 slot.put(" ")

53 end

54 if type(content) == "function" then

55 content()

56 elseif content then

57 slot.put(encode.html(content))

58 end

59 if args.content_first then

60 slot.put(" ")

61 ui.tag{ tag = "label", attr = label_attr, content = label }

62 end

63 end

64 }

65 elseif legend and not label then

66 return ui.tag {

67 tag = "fieldset",

68 attr = attr,

69 content = function()

70 if not args.content_first then

71 ui.tag{ tag = "legend", attr = legend_attr, content = legend }

72 slot.put(" ")

73 end

74 if type(content) == "function" then

75 content()

76 elseif content then

77 slot.put(encode.html(content))

78 end

79 if args.content_first then

80 slot.put(" ")

81 ui.tag{ tag = "legend", attr = legend_attr, content = legend }

82 end

83 end

84 }

85 elseif fieldset and label then

86 error("ui.container{...} may either get a label or a legend.")

87 else

88 return ui.tag{ tag = "div", attr = attr, content = content }

89 end

90 end