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, value_container_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 value_container_attr = auto_args.value_container_attr

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

31 label_attr = table.new(label_attr)

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

33 end

34 else

35 attr = args.attr

36 label = args.label

37 label_attr = args.label_attr or {}

38 legend = args.legend

39 legend_attr = args.legend_attr

40 content = content

41 if args.label_for then

42 label_attr["for"] = args.label_for

43 end

44 end

45 local content = args.content

46 if label and not legend then

47 return ui.tag {

48 tag = "div",

49 attr = attr,

50 content = function()

51 if not args.content_first then

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

53 slot.put(" ")

54 end

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

56 if value_container_attr then

57 ui.container{

58 attr = value_container_attr,

59 content = content

60 }

61 else

62 content()

63 end

64 elseif content then

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

66 end

67 if args.content_first then

68 slot.put(" ")

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

70 end

71 end

72 }

73 elseif legend and not label then

74 return ui.tag {

75 tag = "fieldset",

76 attr = attr,

77 content = function()

78 if not args.content_first then

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

80 slot.put(" ")

81 end

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

83 content()

84 elseif content then

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

86 end

87 if args.content_first then

88 slot.put(" ")

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

90 end

91 end

92 }

93 elseif legend and label then

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

95 else

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

97 end

98 end