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view framework/env/ui/field/select.lua @ 51:791849c58105
class_prototype.object:try_save() can create rows with DEFAULT VALUES
| author | jbe |
|---|---|
| date | Fri Jun 10 14:23:35 2011 +0200 (2011-06-10) |
| parents | 9b93943e2e6e |
| children | faedbc8615e0 |
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 disabled_records = disabled_records -- table of record keys that should be disabled (NOTE: Preliminary. Argument name may change in future releases.)
9 }
11 This function inserts a select field in the active slot. For description of the generic field helper arguments, see help for ui.autofield{...}.
13 --]]--
15 -- TODO: Find better name for "disabled_records"
17 function ui.field.select(args)
18 ui.form_element(args, {fetch_value = true}, function(args)
19 local foreign_records = args.foreign_records
20 if type(foreign_records) == "function" then
21 foreign_records = foreign_records(args.record)
22 end
23 if args.readonly then
24 local name
25 for idx, record in ipairs(foreign_records) do
26 if record[args.foreign_id] == args.value then
27 name = record[args.foreign_name]
28 break
29 end
30 end
31 ui.tag{
32 tag = args.tag,
33 attr = args.attr,
34 content = format.string(name, args.format_options)
35 }
36 else
37 local attr = table.new(args.attr)
38 attr.name = args.html_name
39 ui.tag{
40 tag = "select",
41 attr = attr,
42 content = function()
43 if args.nil_as then
44 ui.tag{
45 tag = "option",
46 attr = { value = "" },
47 content = format.string(
48 args.nil_as,
49 args.format_options
50 )
51 }
52 end
53 for idx, record in ipairs(foreign_records) do
54 local key = record[args.foreign_id]
55 ui.tag{
56 tag = "option",
57 attr = {
58 value = key,
59 disabled = ((args.disabled_records and args.disabled_records[key] and "1" ) or nil),
60 selected = ((key == args.value) and "selected" or nil)
61 },
62 content = format.string(
63 record[args.foreign_name],
64 args.format_options
65 )
66 }
67 end
68 end
69 }
70 end
71 end)
72 end