webmcp

annotate framework/env/ui/form.lua @ 14:a29c8ffb3f82

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New function ui.filters{...}

Also changed version information to "1.0.8"
author jbe/bsw
date Sat Feb 20 21:00:58 2010 +0100 (2010-02-20)
parents f3d3203cd2e4
children 36ebcae1cde3
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@12 20 },
jbe@12 21 partial = { -- parameters for partial loading, see below
jbe@12 22 module = module,
jbe@12 23 view = view,
jbe@12 24 id = id,
jbe@12 25 params = params,
jbe@12 26 target = target
jbe@12 27 },
jbe/bsw@0 28 content = function()
jbe/bsw@0 29 ... -- code creating the contents of the form
jbe/bsw@0 30 end
jbe/bsw@0 31 }
jbe/bsw@0 32
jbe/bsw@0 33 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 34
jbe@12 35 When passing a table as "partial" argument, AND if partial loading has been enabled by calling ui.enable_partial_loading(), then ui._partial_load_js is
jbe@12 36 used to create an onsubmit event. The "partial" setting table is passed to ui._partial_load_js as first argument. See ui._partial_load_js(...) for
jbe@12 37 further documentation.
jbe@12 38
jbe/bsw@0 39 --]]--
jbe/bsw@0 40
jbe/bsw@11 41 local function prepare_routing_params(params, routing, default_module)
jbe/bsw@11 42 local routing_default_given = false
jbe/bsw@11 43 if routing then
jbe/bsw@11 44 for status, settings in pairs(routing) do
jbe/bsw@11 45 if status == "default" then
jbe/bsw@11 46 routing_default_given = true
jbe/bsw@11 47 end
jbe/bsw@11 48 local module = settings.module or default_module or request.get_module()
jbe/bsw@11 49 assert(settings.mode, "No mode specified in routing entry.")
jbe/bsw@11 50 assert(settings.view, "No view specified in routing entry.")
jbe/bsw@11 51 params["_webmcp_routing." .. status .. ".mode"] = settings.mode
jbe/bsw@11 52 params["_webmcp_routing." .. status .. ".module"] = module
jbe/bsw@11 53 params["_webmcp_routing." .. status .. ".view"] = settings.view
jbe/bsw@11 54 params["_webmcp_routing." .. status .. ".id"] = settings.id
jbe/bsw@11 55 if settings.params then
jbe/bsw@11 56 for key, value in pairs(settings.params) do
jbe/bsw@11 57 params["_webmcp_routing." .. status .. ".params." .. key] = value
jbe/bsw@11 58 end
jbe/bsw@11 59 end
jbe/bsw@11 60 end
jbe/bsw@11 61 end
jbe/bsw@11 62 if not routing_default_given then
jbe/bsw@11 63 params["_webmcp_routing.default.mode"] = "forward"
jbe/bsw@11 64 params["_webmcp_routing.default.module"] = request.get_module()
jbe/bsw@11 65 params["_webmcp_routing.default.view"] = request.get_view()
jbe/bsw@11 66 end
jbe/bsw@11 67 return params
jbe/bsw@11 68 end
jbe/bsw@11 69
jbe/bsw@0 70 function ui.form(args)
jbe/bsw@0 71 local args = args or {}
jbe/bsw@0 72 local slot_state = slot.get_state_table()
jbe/bsw@0 73 local old_record = slot_state.form_record
jbe/bsw@0 74 local old_readonly = slot_state.form_readonly
jbe/bsw@0 75 slot_state.form_record = args.record
jbe/bsw@0 76 if args.readonly then
jbe/bsw@0 77 slot_state.form_readonly = true
jbe/bsw@0 78 ui.container{ attr = args.attr, content = args.content }
jbe/bsw@0 79 else
jbe/bsw@0 80 slot_state.form_readonly = false
jbe/bsw@0 81 local params = table.new(args.params)
jbe/bsw@11 82 prepare_routing_params(params, args.routing, args.module)
jbe/bsw@0 83 params._webmcp_csrf_secret = request.get_csrf_secret()
jbe/bsw@0 84 local attr = table.new(args.attr)
jbe/bsw@0 85 attr.action = encode.url{
jbe/bsw@0 86 external = args.external,
jbe/bsw@0 87 module = args.module or request.get_module(),
jbe/bsw@0 88 view = args.view,
jbe/bsw@0 89 action = args.action,
jbe/bsw@0 90 }
jbe/bsw@0 91 attr.method = args.method and string.upper(args.method) or "POST"
jbe/bsw@11 92 if ui.is_partial_loading_enabled() and args.partial then
jbe/bsw@11 93 attr.onsubmit = slot.use_temporary(function()
jbe/bsw@11 94 local partial_mode = "form_normal"
jbe/bsw@11 95 if args.action then
jbe/bsw@11 96 partial_mode = "form_action"
jbe/bsw@11 97 slot.put(
jbe/bsw@11 98 'var element; ',
jbe/bsw@11 99 'var formElements = []; ',
jbe/bsw@11 100 'for (var i=0; i<this.elements.length; i++) { ',
jbe/bsw@11 101 'formElements[formElements.length] = this.elements[i]; ',
jbe/bsw@11 102 '} ',
jbe/bsw@11 103 'for (i=0; i<formElements.length; i++) { ',
jbe/bsw@11 104 'element = formElements[i]; ',
jbe/bsw@11 105 'if (element.name.search(/^_webmcp_routing\\./) >= 0) { ',
jbe/bsw@11 106 'element.parentNode.removeChild(element); ',
jbe/bsw@11 107 '} ',
jbe/bsw@11 108 '}'
jbe/bsw@11 109 )
jbe/bsw@11 110 local routing_params = {}
jbe/bsw@11 111 prepare_routing_params(
jbe/bsw@11 112 routing_params,
jbe/bsw@11 113 args.partial.routing,
jbe/bsw@11 114 args.partial.module
jbe/bsw@11 115 )
jbe/bsw@11 116 for key, value in pairs(routing_params) do
jbe/bsw@11 117 slot.put(
jbe/bsw@11 118 ' ',
jbe/bsw@11 119 'element = document.createElement("input"); ',
jbe/bsw@11 120 'element.setAttribute("type", "hidden"); ',
jbe/bsw@11 121 'element.setAttribute("name", ', encode.json(key), '); ',
jbe/bsw@11 122 'element.setAttribute("value", ', encode.json(value), '); ',
jbe/bsw@11 123 'this.appendChild(element);'
jbe/bsw@11 124 )
jbe/bsw@11 125 end
jbe/bsw@11 126 slot.put(' ')
jbe/bsw@11 127 end
jbe/bsw@11 128 slot.put(ui._partial_load_js(args.partial, partial_mode))
jbe/bsw@11 129 end)
jbe/bsw@11 130 end
jbe/bsw@0 131 if slot_state.form_opened then
jbe/bsw@0 132 error("Cannot open a non-readonly form inside a non-readonly form.")
jbe/bsw@0 133 end
jbe/bsw@0 134 slot_state.form_opened = true
jbe/bsw@0 135 ui.tag {
jbe/bsw@0 136 tag = "form",
jbe/bsw@0 137 attr = attr,
jbe/bsw@0 138 content = function()
jbe/bsw@0 139 if args.id then
jbe/bsw@0 140 ui.hidden_field{ name = "_webmcp_id", value = args.id }
jbe/bsw@0 141 end
jbe/bsw@0 142 for key, value in pairs(params) do
jbe/bsw@0 143 ui.hidden_field{ name = key, value = value }
jbe/bsw@0 144 end
jbe/bsw@0 145 if args.content then
jbe/bsw@0 146 args.content()
jbe/bsw@0 147 end
jbe/bsw@0 148 end
jbe/bsw@0 149 }
jbe/bsw@0 150 slot_state.form_opened = false
jbe/bsw@0 151 end
jbe/bsw@0 152 slot_state.form_readonly = old_readonly
jbe/bsw@0 153 slot_state.form_record = old_record
jbe/bsw@0 154 end

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