1 local function filters(args)

2

3 local el_id = ui.create_unique_id()

4 local class = "lf-filter"

5 if args.class then

6 class = class .. " " .. args.class

7 end

8 ui.container{

9 attr = { class = { class } },

10 content = function()

11 for idx, filter in ipairs(args) do

12 local filter_name = filter.name or "filter"

13 local current_option_name = atom.string:load(request.get_param{ name = filter_name })

14 if not current_option_name then

15 current_option_name = param.get(filter_name)

16 end

17 local current_option = filter[1]

18 for idx, option in ipairs(filter) do

19 if current_option_name == option.name then

20 current_option = option

21 end

22 end

23 if not current_option_name or #current_option_name == 0 or not current_option then

24 current_option_name = filter[1].name

25 end

26 ui.tag{ tag = "button", attr = { id = "filter-" .. filter_name .. "-menu", class = "mdl-button mdl-js-button" }, content = function()

27 ui.tag{ content = current_option.label }

28 slot.put(" ")

29 ui.tag{ tag = "i", attr = { class = "material-icons" }, content = "arrow_drop_down" }

30 end }

31 local id = request.get_id_string()

32 local params = request.get_param_strings()

33 local class = "mdl-menu mdl-js-menu mdl-js-ripple-effect"

34 if filter.class then

35 class = class .. " " .. filter.class

36 end

37 ui.tag{

38 tag = "ul",

39 attr = { class = class, ["data-mdl-for"] = "filter-" .. filter_name .. "-menu" },

40 content = function()

41 for idx, option in ipairs(filter) do

42 params[filter_name] = option.name

43 local attr = {}

44 attr.class = "mdl-menu__link"

45 if current_option_name == option.name then

46 attr.class = attr.class .. " active"

47 option.selector_modifier(args.selector)

48 end

49 if idx > 1 then

50 slot.put(" ")

51 end

52 ui.tag{

53 tag = "li",

54 attr = { class = "mdl-menu__item" },

55 content = function()

56 ui.link{

57 attr = attr,

58 module = request.get_module(),

59 view = request.get_view(),

60 id = id,

61 params = params,

62 content = option.label,

63 partial = {

64 params = {

65 [filter_name] = idx > 1 and option.name or nil

66 }

67 }

68 }

69 end

70 }

71 end

72 end

73 }

74 end

75 end

76 }

77 end

78

79 function ui.filters(args)

80 if args.slot then

81 slot.select(args.slot, function()

82 filters(args)

83 end)

84 else

85 filters(args)

86 end

87 ui.container{

88 attr = { class = "ui_filter_content" },

89 content = function()

90 args.content()

91 end

92 }

93 end