defmodule NITRO.Combo do
require NITRO
require Record
def to_list(fld) when is_atom(fld), do: fld
def to_list(fld), do: :unicode.characters_to_list(fld, :unicode)
def new(_name, obj, module, options) do
dom = :proplists.get_value(:dom, options)
feed = :proplists.get_value(:feed, options)
dropDown(obj, dom, module, feed)
end
def proto(NITRO.comboKey(value: :all) = msg), do: keyUp(msg)
def proto(NITRO.comboKey(delegate: []) = msg), do: keyUp(msg)
def proto(NITRO.comboKey(delegate: module) = msg) do
case has_function(module, :keyUp) do
true -> module.keyUp(msg)
false -> keyUp(msg)
end
end
def proto(NITRO.comboSelect(delegate: module) = msg) do
case has_function(module, :select) do
true -> module.select(msg)
false -> :skip
end
end
def keyUp(NITRO.comboKey(value: :all, dom: field0, feed: feed, delegate: module)) do
field = :nitro.to_list(field0)
all = apply(:kvs,:all,[feed])
:nitro.clear(:nitro.atom([:comboContainer, field]))
dropDownList0(all, field, module, feed)
end
def keyUp(NITRO.comboKey(value: value0, dom: field0, feed: feed, delegate: module)) do
value = :string.lowercase(:unicode.characters_to_list(value0, :unicode))
field = :nitro.to_list(field0)
all = apply(:kvs,:all,[feed])
index = index(module)
:nitro.clear(:nitro.atom([:comboContainer, field]))
:nitro.wire("comboLookupChange('#{field0}');")
filtered =
Enum.filter(all, fn x ->
Enum.any?(index, fn i ->
fld0 =
if is_function(i) do
i.(x)
else
f0 = apply(:kvs,:field, [x, i])
tab = elem(x, 0)
if f0 == tab do
:nitro.to_list(f0)
else
f0
end
end
fld = to_list(fld0)
fld != elem(x, 0) and :string.rstr(:string.lowercase(:nitro.to_list(fld)), value) > 0
end)
end)
dropDownList0(filtered, field, module, feed)
end
def dropDownList0(filtered, field, module, feed) do
if has_function(module, :dropDownList) do
module.dropDownList(filtered, field, module, feed)
else
dropDownList(filtered, field, module, feed)
end
end
def dropDownList(filtered, field, module, feed) do
formId = :nitro.atom([field, "form"])
if filtered == [] do
:nitro.wire("activeCombo = undefined; currentItem = undefined;")
:nitro.hide(:nitro.atom([:comboContainer, field]))
:nitro.wire("comboOpenFormById('#{formId}');")
else
:nitro.display(:nitro.atom([:comboContainer, field]), :block)
:nitro.wire("comboCloseFormById('#{formId}');")
end
Enum.each(filtered, fn obj ->
form = dropDown0(obj, field, module, feed)
:nitro.insert_top(
:nitro.atom([:comboContainer, field]),
:nitro.render(form)
)
end)
end
def dropDown0(obj, dom0, module, feed) do
case has_function(module, :dropDown) do
true ->
module.dropDown(obj, dom0, feed)
false ->
dropDown(obj, dom0, module, feed)
end
end
def view_value(obj, _, _) when obj in ["", [], :undefined], do: []
def view_value(obj, module, feed) do
case :erlang.function_exported(module, :view_value, 2) do
true ->
module.view_value(obj, feed)
false ->
if has_function(module, :view_value) do
module.view_value(obj)
else
view_value(obj)
end
end
end
def view_value(obj) when obj in ["", [], :undefined], do: []
def view_value(obj), do: :nitro.jse(:erlang.iolist_to_binary(apply(:kvs,:field,[obj, hd(index([]))])))
def dropDown(obj, dom0, module, feed) do
view_value = view_value(obj, module, feed)
dom = :nitro.to_list(dom0)
id = :nitro.jse(:erlang.iolist_to_binary(:nitro.atom([dom, :erlang.element(2, obj)])))
item = :nitro.to_list(item(obj, module))
source = :erlang.iolist_to_binary(feed)
click = :nitro.jse("comboSelect('#{dom}', '#{view_value}', '#{source}', '#{module}', '#{id}')")
move = :nitro.jse("comboLookupMouseMove('#{dom}')")
NITRO.panel(
id: id,
class: ['dropdown-item'],
bind: :base64.encode(:erlang.term_to_binary(obj)),
onclick: click,
onmousemove: move,
body: [
NITRO.p(body: item)
]
)
end
def index([]), do: [:name, :id]
def index(module) do
case has_function(module, :index) do
true -> module.index()
false -> index([])
end
end
def item(obj, []), do: view_value(obj)
def item(obj, module) do
case has_function(module, :item) do
true -> module.item(obj)
false -> item(obj, [])
end
end
def update_comboVec(_parent, dom, feed, module, default, elem) do
vector = view_value(default, module, feed)
clear = "createSortable('##{dom}_list');"
append = :lists.map(fn emp -> bind = emp |> :erlang.term_to_binary |> :base64.encode
"appendItemFromBind('#{dom}_list','#{module.cn(emp)}','#{bind}');" end, vector)
|> :erlang.iolist_to_binary
render = :nitro.render elem
command = "elem = qi('#{dom}'); elem.outerHTML = '#{render}';"
:nitro.wire(command <> append <> clear) # reverse
end
def update_combo(id, feed, module), do: :nitro.update(:nitro.atom([:lookup, id]), NITRO.comboLookup(id: id, feed: feed, delegate: module))
def update_combo_value(dom, value, feed, module) do
view_value = view_value(value, module, feed)
update_combo_value(dom, value, feed, module, view_value)
end
def update_combo_value(dom, value, feed, module, view_value) do
bind = :base64.encode(:erlang.term_to_binary(value))
update_combo(dom, feed, module)
command = "elem = qi('#{dom}'); elem.setAttribute('data-bind', '#{bind}'); elem.value = '#{view_value}';"
:nitro.wire(command)
end
def has_function(m, f) do
functions = apply(m, :module_info, [:exports])
isF = Keyword.get(functions, f, -1)
isF != -1
end
end