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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@56
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3 record = record, -- optional record to be used
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jbe@56
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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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5 file_upload = file_upload, -- must be set to true, if form contains file upload element
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jbe@56
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6 external = external, -- external URL to be used as HTML form action
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jbe@56
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7 module = module, -- module name to be used for HTML form action
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8 view = view, -- view name to be used for HTML form action
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9 action = action, -- action name to be used for HTML form action
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jbe/bsw@0
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10 routing = {
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jbe/bsw@0
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11 default = { -- default routing for called action
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jbe/bsw@0
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12 mode = mode, -- "forward" or "redirect"
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jbe/bsw@0
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13 module = module, -- optional module name, defaults to current module
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jbe/bsw@0
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14 view = view, -- view name
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jbe/bsw@0
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15 id = id, -- optional id to be passed to the view
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jbe@113
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16 params = params, -- optional params to be passed to the view
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jbe@113
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17 anchor = anchor -- optional anchor for URL
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jbe/bsw@0
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18 },
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jbe/bsw@0
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19 ok = { ... }, -- routing when "ok" is returned by the called action
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jbe/bsw@0
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20 error = { ... }, -- routing when "error" is returned by the called action
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jbe/bsw@0
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21 ... = { ... } -- routing when "..." is returned by the called action
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jbe@12
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22 },
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jbe/bsw@0
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23 content = function()
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jbe/bsw@0
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24 ... -- code creating the contents of the form
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jbe/bsw@0
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25 end
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jbe/bsw@0
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26 }
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jbe/bsw@0
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27
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jbe/bsw@0
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28 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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29
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jbe/bsw@0
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30 --]]--
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jbe/bsw@0
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31
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jbe/bsw@11
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32 local function prepare_routing_params(params, routing, default_module)
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jbe/bsw@11
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33 local routing_default_given = false
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jbe/bsw@11
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34 if routing then
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jbe/bsw@11
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35 for status, settings in pairs(routing) do
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jbe/bsw@11
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36 if status == "default" then
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jbe/bsw@11
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37 routing_default_given = true
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jbe/bsw@11
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38 end
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jbe/bsw@11
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39 local module = settings.module or default_module or request.get_module()
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jbe/bsw@11
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40 assert(settings.mode, "No mode specified in routing entry.")
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jbe/bsw@11
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41 assert(settings.view, "No view specified in routing entry.")
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jbe/bsw@11
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42 params["_webmcp_routing." .. status .. ".mode"] = settings.mode
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jbe/bsw@11
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43 params["_webmcp_routing." .. status .. ".module"] = module
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jbe/bsw@11
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44 params["_webmcp_routing." .. status .. ".view"] = settings.view
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jbe/bsw@11
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45 params["_webmcp_routing." .. status .. ".id"] = settings.id
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jbe@113
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46 params["_webmcp_routing." .. status .. ".anchor"] = settings.anchor
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jbe/bsw@11
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47 if settings.params then
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jbe/bsw@11
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48 for key, value in pairs(settings.params) do
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jbe/bsw@11
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49 params["_webmcp_routing." .. status .. ".params." .. key] = value
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jbe/bsw@11
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50 end
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jbe/bsw@11
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51 end
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jbe/bsw@11
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52 end
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jbe/bsw@11
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53 end
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jbe/bsw@11
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54 if not routing_default_given then
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jbe/bsw@11
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55 params["_webmcp_routing.default.mode"] = "forward"
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jbe/bsw@11
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56 params["_webmcp_routing.default.module"] = request.get_module()
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jbe/bsw@11
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57 params["_webmcp_routing.default.view"] = request.get_view()
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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 return params
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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
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jbe/bsw@0
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62 function ui.form(args)
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jbe/bsw@0
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63 local args = args or {}
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jbe/bsw@0
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64 local slot_state = slot.get_state_table()
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jbe@56
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65 local old_record = slot_state.form_record
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jbe@56
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66 local old_readonly = slot_state.form_readonly
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jbe@56
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67 local old_file_upload = slot_state.form_file_upload
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jbe/bsw@0
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68 slot_state.form_record = args.record
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jbe/bsw@0
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69 if args.readonly then
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jbe/bsw@0
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70 slot_state.form_readonly = true
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jbe/bsw@0
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71 ui.container{ attr = args.attr, content = args.content }
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jbe/bsw@0
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72 else
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jbe/bsw@0
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73 slot_state.form_readonly = false
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jbe/bsw@0
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74 local params = table.new(args.params)
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jbe/bsw@11
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75 prepare_routing_params(params, args.routing, args.module)
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jbe/bsw@0
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76 params._webmcp_csrf_secret = request.get_csrf_secret()
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jbe/bsw@0
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77 local attr = table.new(args.attr)
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bsw@58
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78 if attr.enctype=="multipart/form-data" or args.file_upload then
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jbe@56
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79 slot_state.form_file_upload = true
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jbe@56
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80 if attr.enctype == nil then
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jbe@56
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81 attr.enctype = "multipart/form-data"
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jbe@56
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82 end
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jbe@56
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83 end
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jbe/bsw@0
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84 attr.action = encode.url{
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jbe/bsw@0
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85 external = args.external,
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jbe/bsw@0
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86 module = args.module or request.get_module(),
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jbe/bsw@0
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87 view = args.view,
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jbe/bsw@0
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88 action = args.action,
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jbe/bsw@0
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89 }
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jbe/bsw@0
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90 attr.method = args.method and string.upper(args.method) or "POST"
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jbe/bsw@0
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91 if slot_state.form_opened then
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jbe/bsw@0
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92 error("Cannot open a non-readonly form inside a non-readonly form.")
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jbe/bsw@0
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93 end
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jbe/bsw@0
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94 slot_state.form_opened = true
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jbe/bsw@0
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95 ui.tag {
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jbe/bsw@0
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96 tag = "form",
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jbe/bsw@0
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97 attr = attr,
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jbe/bsw@0
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98 content = function()
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jbe/bsw@0
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99 if args.id then
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jbe/bsw@0
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100 ui.hidden_field{ name = "_webmcp_id", value = args.id }
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jbe/bsw@0
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101 end
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jbe/bsw@0
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102 for key, value in pairs(params) do
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jbe/bsw@0
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103 ui.hidden_field{ name = key, value = value }
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jbe/bsw@0
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104 end
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jbe/bsw@0
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105 if args.content then
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jbe/bsw@0
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106 args.content()
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jbe/bsw@0
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107 end
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jbe/bsw@0
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108 end
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jbe/bsw@0
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109 }
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jbe/bsw@0
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110 slot_state.form_opened = false
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jbe/bsw@0
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111 end
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jbe@56
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112 slot_state.form_file_upload = old_file_upload
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jbe@56
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113 slot_state.form_readonly = old_readonly
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114 slot_state.form_record = old_record
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jbe/bsw@0
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115 end
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