jbe/bsw@0: --[[--
jbe/bsw@0: ui.field.select{
jbe/bsw@0:   ...                                 -- generic ui.field.* arguments, as described for ui.autofield{...}
poelzi@30:   foreign_records  = foreign_records,  -- list of records to be chosen from, or function returning such a list
poelzi@30:   foreign_id       = foreign_id,       -- name of id field in foreign records
poelzi@30:   foreign_name     = foreign_name,     -- name of field to be used as name in foreign records
poelzi@30:   format_options   = format_options    -- format options for format.string
jbe@44:   disabled_records = disabled_records  -- table of record keys that should be disabled (NOTE: Preliminary. Argument name may change in future releases.)
jbe/bsw@0: }
jbe/bsw@0: 
jbe/bsw@0: This function inserts a select field in the active slot. For description of the generic field helper arguments, see help for ui.autofield{...}.
jbe/bsw@0: 
jbe/bsw@0: --]]--
jbe/bsw@0: 
jbe@44: -- TODO: Find better name for "disabled_records"
jbe@44: 
jbe/bsw@0: function ui.field.select(args)
jbe/bsw@0:   ui.form_element(args, {fetch_value = true}, function(args)
jbe/bsw@0:     local foreign_records = args.foreign_records
jbe/bsw@0:     if type(foreign_records) == "function" then
jbe/bsw@0:       foreign_records = foreign_records(args.record)
jbe/bsw@0:     end
jbe/bsw@0:     if args.readonly then
jbe/bsw@0:       local name
jbe/bsw@0:       for idx, record in ipairs(foreign_records) do
jbe/bsw@0:         if record[args.foreign_id] == args.value then
jbe/bsw@0:           name = record[args.foreign_name]
jbe/bsw@0:           break
jbe/bsw@0:         end
jbe/bsw@0:       end
jbe/bsw@0:       ui.tag{
jbe/bsw@0:         tag     = args.tag,
jbe/bsw@0:         attr    = args.attr, 
jbe/bsw@0:         content = format.string(name, args.format_options)
jbe/bsw@0:       }
jbe/bsw@0:     else
jbe/bsw@0:       local attr = table.new(args.attr)
jbe/bsw@0:       attr.name  = args.html_name
jbe/bsw@0:       ui.tag{
jbe/bsw@0:         tag     = "select",
jbe/bsw@0:         attr    = attr,
jbe/bsw@0:         content = function()
jbe/bsw@0:           if args.nil_as then
jbe/bsw@0:             ui.tag{
jbe/bsw@0:               tag     = "option",
jbe/bsw@0:               attr    = { value = "" },
jbe/bsw@0:               content = format.string(
jbe/bsw@0:                 args.nil_as,
jbe/bsw@0:                 args.format_options
jbe/bsw@0:               )
jbe/bsw@0:             }
jbe/bsw@0:           end
jbe/bsw@0:           for idx, record in ipairs(foreign_records) do
jbe/bsw@0:             local key = record[args.foreign_id]
jbe/bsw@0:             ui.tag{
jbe/bsw@0:               tag     = "option",
jbe/bsw@0:               attr    = {
jbe/bsw@0:                 value    = key,
poelzi@30:                 disabled = ((args.disabled_records and args.disabled_records[key] and "1" ) or nil),
jbe/bsw@0:                 selected = ((key == args.value) and "selected" or nil)
jbe/bsw@0:               },
jbe/bsw@0:               content = format.string(
jbe/bsw@0:                 record[args.foreign_name],
jbe/bsw@0:                 args.format_options
jbe/bsw@0:               )
jbe/bsw@0:             }
jbe/bsw@0:           end
jbe/bsw@0:         end
jbe/bsw@0:       }
jbe/bsw@0:     end
jbe/bsw@0:   end)
jbe/bsw@0: end