webmcp

annotate framework/env/ui/form.lua @ 0:9fdfb27f8e67

Version 1.0.0
author jbe/bsw
date Sun Oct 25 12:00:00 2009 +0100 (2009-10-25)
parents
children d76a8857ba62
rev   line source
jbe/bsw@0 1 --[[--
jbe/bsw@0 2 ui.form{
jbe/bsw@0 3 record = record, -- optional record to be used
jbe/bsw@0 4 read_only = read_only, -- set to true, if form should be read-only (no submit button)
jbe/bsw@0 5 external = external, -- external URL to be used as HTML form action
jbe/bsw@0 6 module = module, -- module name to be used for HTML form action
jbe/bsw@0 7 view = view, -- view name to be used for HTML form action
jbe/bsw@0 8 action = action, -- action name to be used for HTML form action
jbe/bsw@0 9 routing = {
jbe/bsw@0 10 default = { -- default routing for called action
jbe/bsw@0 11 mode = mode, -- "forward" or "redirect"
jbe/bsw@0 12 module = module, -- optional module name, defaults to current module
jbe/bsw@0 13 view = view, -- view name
jbe/bsw@0 14 id = id, -- optional id to be passed to the view
jbe/bsw@0 15 params = params -- optional params to be passed to the view
jbe/bsw@0 16 },
jbe/bsw@0 17 ok = { ... }, -- routing when "ok" is returned by the called action
jbe/bsw@0 18 error = { ... }, -- routing when "error" is returned by the called action
jbe/bsw@0 19 ... = { ... } -- routing when "..." is returned by the called action
jbe/bsw@0 20 }
jbe/bsw@0 21 content = function()
jbe/bsw@0 22 ... -- code creating the contents of the form
jbe/bsw@0 23 end
jbe/bsw@0 24 }
jbe/bsw@0 25
jbe/bsw@0 26 This functions creates a web form, which encloses the content created by the given 'content' function. When a 'record' is given, ui.field.* helper functions will be able to automatically determine field values by using the given record. If 'read_only' is set to true, then a call of ui.submit{...} will be ignored, and ui.field.* helper functions will behave differently.
jbe/bsw@0 27
jbe/bsw@0 28 --]]--
jbe/bsw@0 29
jbe/bsw@0 30 function ui.form(args)
jbe/bsw@0 31 local args = args or {}
jbe/bsw@0 32 local slot_state = slot.get_state_table()
jbe/bsw@0 33 local old_record = slot_state.form_record
jbe/bsw@0 34 local old_readonly = slot_state.form_readonly
jbe/bsw@0 35 slot_state.form_record = args.record
jbe/bsw@0 36 if args.readonly then
jbe/bsw@0 37 slot_state.form_readonly = true
jbe/bsw@0 38 ui.container{ attr = args.attr, content = args.content }
jbe/bsw@0 39 else
jbe/bsw@0 40 slot_state.form_readonly = false
jbe/bsw@0 41 local params = table.new(args.params)
jbe/bsw@0 42 local routing_default_given = false
jbe/bsw@0 43 if args.routing then
jbe/bsw@0 44 for status, settings in pairs(args.routing) do
jbe/bsw@0 45 if status == "default" then
jbe/bsw@0 46 routing_default_given = true
jbe/bsw@0 47 end
jbe/bsw@0 48 local module = settings.module or args.module or request.get_module()
jbe/bsw@0 49 assert(settings.mode, "No mode specified in routing entry.")
jbe/bsw@0 50 assert(settings.view, "No view specified in routing entry.")
jbe/bsw@0 51 params["_webmcp_routing." .. status .. ".mode"] = settings.mode
jbe/bsw@0 52 params["_webmcp_routing." .. status .. ".module"] = module
jbe/bsw@0 53 params["_webmcp_routing." .. status .. ".view"] = settings.view
jbe/bsw@0 54 params["_webmcp_routing." .. status .. ".id"] = settings.id
jbe/bsw@0 55 if settings.params then
jbe/bsw@0 56 for key, value in pairs(settings.params) do
jbe/bsw@0 57 params["_webmcp_routing." .. status .. ".params." .. key] = value
jbe/bsw@0 58 end
jbe/bsw@0 59 end
jbe/bsw@0 60 end
jbe/bsw@0 61 end
jbe/bsw@0 62 if not routing_default_given then
jbe/bsw@0 63 params["_webmcp_routing.default.mode"] = "forward"
jbe/bsw@0 64 params["_webmcp_routing.default.module"] = request.get_module()
jbe/bsw@0 65 params["_webmcp_routing.default.view"] = request.get_view()
jbe/bsw@0 66 end
jbe/bsw@0 67 params._webmcp_csrf_secret = request.get_csrf_secret()
jbe/bsw@0 68 local attr = table.new(args.attr)
jbe/bsw@0 69 attr.action = encode.url{
jbe/bsw@0 70 external = args.external,
jbe/bsw@0 71 module = args.module or request.get_module(),
jbe/bsw@0 72 view = args.view,
jbe/bsw@0 73 action = args.action,
jbe/bsw@0 74 }
jbe/bsw@0 75 attr.method = args.method and string.upper(args.method) or "POST"
jbe/bsw@0 76 if slot_state.form_opened then
jbe/bsw@0 77 error("Cannot open a non-readonly form inside a non-readonly form.")
jbe/bsw@0 78 end
jbe/bsw@0 79 slot_state.form_opened = true
jbe/bsw@0 80 ui.tag {
jbe/bsw@0 81 tag = "form",
jbe/bsw@0 82 attr = attr,
jbe/bsw@0 83 content = function()
jbe/bsw@0 84 if args.id then
jbe/bsw@0 85 ui.hidden_field{ name = "_webmcp_id", value = args.id }
jbe/bsw@0 86 end
jbe/bsw@0 87 for key, value in pairs(params) do
jbe/bsw@0 88 ui.hidden_field{ name = key, value = value }
jbe/bsw@0 89 end
jbe/bsw@0 90 if args.content then
jbe/bsw@0 91 args.content()
jbe/bsw@0 92 end
jbe/bsw@0 93 end
jbe/bsw@0 94 }
jbe/bsw@0 95 slot_state.form_opened = false
jbe/bsw@0 96 end
jbe/bsw@0 97 slot_state.form_readonly = old_readonly
jbe/bsw@0 98 slot_state.form_record = old_record
jbe/bsw@0 99 end

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