webmcp
annotate framework/env/ui/form_element.lua @ 2:72860d232f32
Version 1.0.2
Fixed bug with explicit garbage collection (requests > 256kB caused an error)
Views prefixed with an underscore can't be called externally
ui.paginate now displays the last page, if the selected page number is too high.
Fixed bug with explicit garbage collection (requests > 256kB caused an error)
Views prefixed with an underscore can't be called externally
ui.paginate now displays the last page, if the selected page number is too high.
| author | jbe/bsw |
|---|---|
| date | Thu Dec 10 12:00:00 2009 +0100 (2009-12-10) |
| parents | 9fdfb27f8e67 |
| children | 993fbee179ae |
| rev | line source |
|---|---|
| jbe/bsw@0 | 1 --[[-- |
| jbe/bsw@0 | 2 ui.form_element( |
| jbe/bsw@0 | 3 args, -- external arguments |
| jbe/bsw@0 | 4 { -- options for this function call |
| jbe/bsw@0 | 5 fetch_value = fetch_value_flag, -- true causes automatic determination of args.value, if nil |
| jbe/bsw@0 | 6 fetch_record = fetch_record_flag, -- true causes automatic determination of args.record, if nil |
| jbe/bsw@0 | 7 disable_label_for_id = disable_label_for_id_flag, -- true suppresses automatic setting of args.attr.id for a HTML label_for reference |
| jbe/bsw@0 | 8 }, |
| jbe/bsw@0 | 9 function(args) |
| jbe/bsw@0 | 10 ... -- program code |
| jbe/bsw@0 | 11 end |
| jbe/bsw@0 | 12 ) |
| jbe/bsw@0 | 13 |
| jbe/bsw@0 | 14 This function helps other form helpers by preprocessing arguments passed to the helper, e.g. fetching a value from a record stored in a state-table of the currently active slot. |
| jbe/bsw@0 | 15 |
| jbe/bsw@0 | 16 --]]-- |
| jbe/bsw@0 | 17 |
| jbe/bsw@0 | 18 -- TODO: better documentation |
| jbe/bsw@0 | 19 |
| jbe/bsw@0 | 20 function ui.form_element(args, extra_args, func) |
| jbe/bsw@0 | 21 local args = table.new(args) |
| jbe/bsw@0 | 22 if extra_args then |
| jbe/bsw@0 | 23 for key, value in pairs(extra_args) do |
| jbe/bsw@0 | 24 args[key] = value |
| jbe/bsw@0 | 25 end |
| jbe/bsw@0 | 26 end |
| jbe/bsw@0 | 27 local slot_state = slot.get_state_table() |
| jbe/bsw@0 | 28 args.html_name = args.html_name or args.name |
| jbe/bsw@0 | 29 if args.fetch_value then |
| jbe/bsw@0 | 30 if args.value == nil then |
| jbe/bsw@0 | 31 if not args.record and slot_state then |
| jbe/bsw@0 | 32 args.record = slot_state.form_record |
| jbe/bsw@0 | 33 end |
| jbe/bsw@0 | 34 if args.record then |
| jbe/bsw@0 | 35 args.value = args.record[args.name] |
| jbe/bsw@0 | 36 end |
| jbe/bsw@0 | 37 else |
| jbe/bsw@0 | 38 args.value = nihil.lower(args.value) |
| jbe/bsw@0 | 39 end |
| jbe/bsw@0 | 40 elseif args.fetch_record then |
| jbe/bsw@0 | 41 if not args.record and slot_state then |
| jbe/bsw@0 | 42 args.record = slot_state.form_record |
| jbe/bsw@0 | 43 end |
| jbe/bsw@0 | 44 end |
| jbe/bsw@0 | 45 if |
| jbe/bsw@0 | 46 args.html_name and |
| jbe/bsw@0 | 47 not args.readonly and |
| jbe/bsw@0 | 48 slot_state.form_readonly == false |
| jbe/bsw@0 | 49 then |
| jbe/bsw@0 | 50 args.readonly = false |
| jbe/bsw@0 | 51 local prefix |
| jbe/bsw@0 | 52 if args.html_name_prefix == nil then |
| jbe/bsw@0 | 53 prefix = slot_state.html_name_prefix |
| jbe/bsw@0 | 54 else |
| jbe/bsw@0 | 55 prefix = args.html_name_prefix |
| jbe/bsw@0 | 56 end |
| jbe/bsw@0 | 57 if prefix then |
| jbe/bsw@0 | 58 args.html_name = prefix .. args.html_name |
| jbe/bsw@0 | 59 end |
| jbe/bsw@0 | 60 else |
| jbe/bsw@0 | 61 args.readonly = true |
| jbe/bsw@0 | 62 end |
| jbe/bsw@0 | 63 if args.label then |
| jbe/bsw@0 | 64 if not args.disable_label_for_id then |
| jbe/bsw@0 | 65 if not args.attr then |
| jbe/bsw@0 | 66 args.attr = { id = ui.create_unique_id() } |
| jbe/bsw@0 | 67 elseif not args.attr.id then |
| jbe/bsw@0 | 68 args.attr.id = ui.create_unique_id() |
| jbe/bsw@0 | 69 end |
| jbe/bsw@0 | 70 end |
| jbe/bsw@0 | 71 if not args.label_attr then |
| jbe/bsw@0 | 72 args.label_attr = { class = "ui_field_label" } |
| jbe/bsw@0 | 73 elseif not args.label_attr.class then |
| jbe/bsw@0 | 74 args.label_attr.class = "ui_field_label" |
| jbe/bsw@0 | 75 end |
| jbe/bsw@0 | 76 end |
| jbe/bsw@0 | 77 ui.container{ |
| jbe/bsw@0 | 78 auto_args = args, |
| jbe/bsw@0 | 79 content = function() return func(args) end |
| jbe/bsw@0 | 80 } |
| jbe/bsw@0 | 81 end |