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view framework/env/ui/field/select.lua @ 3:795b764629ca
Version 1.0.3
Important bugfix related to internal forwards (Bug was introduced by the restriction of views with underscore prefix in Version 1.0.2)
Important bugfix related to internal forwards (Bug was introduced by the restriction of views with underscore prefix in Version 1.0.2)
| author | jbe |
|---|---|
| date | Thu Dec 10 12:00:00 2009 +0100 (2009-12-10) |
| parents | 9fdfb27f8e67 |
| children | 6e08067e66c1 |
line source
1 --[[--
2 ui.field.select{
3 ... -- generic ui.field.* arguments, as described for ui.autofield{...}
4 foreign_records = foreign_records, -- list of records to be chosen from, or function returning such a list
5 foreign_id = foreign_id, -- name of id field in foreign records
6 foreign_name = foreign_name, -- name of field to be used as name in foreign records
7 format_options = format_options -- format options for format.string
8 }
10 This function inserts a select field in the active slot. For description of the generic field helper arguments, see help for ui.autofield{...}.
12 --]]--
14 function ui.field.select(args)
15 ui.form_element(args, {fetch_value = true}, function(args)
16 local foreign_records = args.foreign_records
17 if type(foreign_records) == "function" then
18 foreign_records = foreign_records(args.record)
19 end
20 if args.readonly then
21 local name
22 for idx, record in ipairs(foreign_records) do
23 if record[args.foreign_id] == args.value then
24 name = record[args.foreign_name]
25 break
26 end
27 end
28 ui.tag{
29 tag = args.tag,
30 attr = args.attr,
31 content = format.string(name, args.format_options)
32 }
33 else
34 local attr = table.new(args.attr)
35 attr.name = args.html_name
36 ui.tag{
37 tag = "select",
38 attr = attr,
39 content = function()
40 if args.nil_as then
41 ui.tag{
42 tag = "option",
43 attr = { value = "" },
44 content = format.string(
45 args.nil_as,
46 args.format_options
47 )
48 }
49 end
50 for idx, record in ipairs(foreign_records) do
51 local key = record[args.foreign_id]
52 ui.tag{
53 tag = "option",
54 attr = {
55 value = key,
56 selected = ((key == args.value) and "selected" or nil)
57 },
58 content = format.string(
59 record[args.foreign_name],
60 args.format_options
61 )
62 }
63 end
64 end
65 }
66 end
67 end)
68 end