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jbe/bsw@0
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1 --[[--
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jbe/bsw@0
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2 ui.form{
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jbe/bsw@0
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3 record = record, -- optional record to be used
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4 read_only = read_only, -- set to true, if form should be read-only (no submit button)
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jbe/bsw@0
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5 external = external, -- external URL to be used as HTML form action
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jbe/bsw@0
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6 module = module, -- module name to be used for HTML form action
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jbe/bsw@0
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7 view = view, -- view name to be used for HTML form action
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jbe/bsw@0
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8 action = action, -- action name to be used for HTML form action
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jbe/bsw@0
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9 routing = {
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jbe/bsw@0
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10 default = { -- default routing for called action
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jbe/bsw@0
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11 mode = mode, -- "forward" or "redirect"
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jbe/bsw@0
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12 module = module, -- optional module name, defaults to current module
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jbe/bsw@0
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13 view = view, -- view name
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jbe/bsw@0
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14 id = id, -- optional id to be passed to the view
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jbe/bsw@0
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15 params = params -- optional params to be passed to the view
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jbe/bsw@0
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16 },
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jbe/bsw@0
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17 ok = { ... }, -- routing when "ok" is returned by the called action
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jbe/bsw@0
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18 error = { ... }, -- routing when "error" is returned by the called action
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jbe/bsw@0
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19 ... = { ... } -- routing when "..." is returned by the called action
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jbe@12
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20 },
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jbe@12
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21 partial = { -- parameters for partial loading, see below
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jbe@12
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22 module = module,
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jbe@12
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23 view = view,
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jbe@12
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24 id = id,
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jbe@12
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25 params = params,
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jbe@12
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26 target = target
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jbe@12
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27 },
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jbe/bsw@0
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28 content = function()
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jbe/bsw@0
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29 ... -- code creating the contents of the form
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jbe/bsw@0
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30 end
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jbe/bsw@0
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31 }
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jbe/bsw@0
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32
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jbe/bsw@0
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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.
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jbe/bsw@0
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34
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jbe@12
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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
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jbe@12
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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
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jbe@12
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37 further documentation.
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jbe@12
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38
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jbe/bsw@0
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39 --]]--
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jbe/bsw@0
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40
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jbe/bsw@11
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41 local function prepare_routing_params(params, routing, default_module)
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jbe/bsw@11
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42 local routing_default_given = false
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jbe/bsw@11
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43 if routing then
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jbe/bsw@11
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44 for status, settings in pairs(routing) do
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jbe/bsw@11
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45 if status == "default" then
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jbe/bsw@11
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46 routing_default_given = true
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jbe/bsw@11
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47 end
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jbe/bsw@11
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48 local module = settings.module or default_module or request.get_module()
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jbe/bsw@11
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49 assert(settings.mode, "No mode specified in routing entry.")
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jbe/bsw@11
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50 assert(settings.view, "No view specified in routing entry.")
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jbe/bsw@11
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51 params["_webmcp_routing." .. status .. ".mode"] = settings.mode
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jbe/bsw@11
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52 params["_webmcp_routing." .. status .. ".module"] = module
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jbe/bsw@11
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53 params["_webmcp_routing." .. status .. ".view"] = settings.view
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jbe/bsw@11
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54 params["_webmcp_routing." .. status .. ".id"] = settings.id
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jbe/bsw@11
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55 if settings.params then
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jbe/bsw@11
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56 for key, value in pairs(settings.params) do
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jbe/bsw@11
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57 params["_webmcp_routing." .. status .. ".params." .. key] = value
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jbe/bsw@11
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58 end
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jbe/bsw@11
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59 end
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jbe/bsw@11
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60 end
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jbe/bsw@11
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61 end
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jbe/bsw@11
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62 if not routing_default_given then
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jbe/bsw@11
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63 params["_webmcp_routing.default.mode"] = "forward"
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jbe/bsw@11
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64 params["_webmcp_routing.default.module"] = request.get_module()
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jbe/bsw@11
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65 params["_webmcp_routing.default.view"] = request.get_view()
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jbe/bsw@11
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66 end
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jbe/bsw@11
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67 return params
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jbe/bsw@11
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68 end
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jbe/bsw@11
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69
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jbe/bsw@0
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70 function ui.form(args)
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jbe/bsw@0
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71 local args = args or {}
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jbe/bsw@0
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72 local slot_state = slot.get_state_table()
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jbe/bsw@0
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73 local old_record = slot_state.form_record
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jbe/bsw@0
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74 local old_readonly = slot_state.form_readonly
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jbe/bsw@0
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75 slot_state.form_record = args.record
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jbe/bsw@0
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76 if args.readonly then
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jbe/bsw@0
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77 slot_state.form_readonly = true
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jbe/bsw@0
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78 ui.container{ attr = args.attr, content = args.content }
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jbe/bsw@0
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79 else
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jbe/bsw@0
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80 slot_state.form_readonly = false
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jbe/bsw@0
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81 local params = table.new(args.params)
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jbe/bsw@11
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82 prepare_routing_params(params, args.routing, args.module)
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jbe/bsw@0
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83 params._webmcp_csrf_secret = request.get_csrf_secret()
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jbe/bsw@0
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84 local attr = table.new(args.attr)
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jbe/bsw@0
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85 attr.action = encode.url{
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jbe/bsw@0
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86 external = args.external,
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jbe/bsw@0
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87 module = args.module or request.get_module(),
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jbe/bsw@0
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88 view = args.view,
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jbe/bsw@0
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89 action = args.action,
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jbe/bsw@0
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90 }
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jbe/bsw@0
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91 attr.method = args.method and string.upper(args.method) or "POST"
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jbe/bsw@11
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92 if ui.is_partial_loading_enabled() and args.partial then
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jbe/bsw@11
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93 attr.onsubmit = slot.use_temporary(function()
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jbe/bsw@11
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94 local partial_mode = "form_normal"
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jbe/bsw@11
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95 if args.action then
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jbe/bsw@11
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96 partial_mode = "form_action"
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jbe/bsw@11
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97 slot.put(
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jbe/bsw@11
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98 'var element; ',
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jbe/bsw@11
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99 'var formElements = []; ',
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jbe/bsw@11
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100 'for (var i=0; i<this.elements.length; i++) { ',
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jbe/bsw@11
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101 'formElements[formElements.length] = this.elements[i]; ',
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jbe/bsw@11
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102 '} ',
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jbe/bsw@11
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103 'for (i=0; i<formElements.length; i++) { ',
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jbe/bsw@11
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104 'element = formElements[i]; ',
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jbe/bsw@11
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105 'if (element.name.search(/^_webmcp_routing\\./) >= 0) { ',
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jbe/bsw@11
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106 'element.parentNode.removeChild(element); ',
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jbe/bsw@11
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107 '} ',
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jbe/bsw@11
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108 '}'
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jbe/bsw@11
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109 )
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jbe/bsw@11
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110 local routing_params = {}
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jbe/bsw@11
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111 prepare_routing_params(
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jbe/bsw@11
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112 routing_params,
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jbe/bsw@11
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113 args.partial.routing,
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jbe/bsw@11
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114 args.partial.module
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jbe/bsw@11
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115 )
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jbe/bsw@11
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116 for key, value in pairs(routing_params) do
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jbe/bsw@11
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117 slot.put(
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jbe/bsw@11
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118 ' ',
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jbe/bsw@11
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119 'element = document.createElement("input"); ',
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jbe/bsw@11
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120 'element.setAttribute("type", "hidden"); ',
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jbe/bsw@11
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121 'element.setAttribute("name", ', encode.json(key), '); ',
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jbe/bsw@11
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122 'element.setAttribute("value", ', encode.json(value), '); ',
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jbe/bsw@11
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123 'this.appendChild(element);'
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jbe/bsw@11
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124 )
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jbe/bsw@11
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125 end
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jbe/bsw@11
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126 slot.put(' ')
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jbe/bsw@11
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127 end
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jbe/bsw@11
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128 slot.put(ui._partial_load_js(args.partial, partial_mode))
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jbe/bsw@11
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129 end)
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jbe/bsw@11
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130 end
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jbe/bsw@0
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131 if slot_state.form_opened then
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jbe/bsw@0
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132 error("Cannot open a non-readonly form inside a non-readonly form.")
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jbe/bsw@0
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133 end
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jbe/bsw@0
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134 slot_state.form_opened = true
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jbe/bsw@0
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135 ui.tag {
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jbe/bsw@0
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136 tag = "form",
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jbe/bsw@0
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137 attr = attr,
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jbe/bsw@0
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138 content = function()
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jbe/bsw@0
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139 if args.id then
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jbe/bsw@0
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140 ui.hidden_field{ name = "_webmcp_id", value = args.id }
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jbe/bsw@0
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141 end
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jbe/bsw@0
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142 for key, value in pairs(params) do
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jbe/bsw@0
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143 ui.hidden_field{ name = key, value = value }
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jbe/bsw@0
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144 end
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jbe/bsw@0
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145 if args.content then
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jbe/bsw@0
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146 args.content()
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jbe/bsw@0
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147 end
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jbe/bsw@0
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148 end
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jbe/bsw@0
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149 }
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jbe/bsw@0
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150 slot_state.form_opened = false
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jbe/bsw@0
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151 end
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jbe/bsw@0
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152 slot_state.form_readonly = old_readonly
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jbe/bsw@0
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153 slot_state.form_record = old_record
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jbe/bsw@0
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154 end
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