1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/framework/env/ui/_partial_load_js.lua	Fri Feb 12 18:40:22 2010 +0100
     1.3 @@ -0,0 +1,93 @@
     1.4 +--[[--
     1.5 +ui._partial_load_js{
     1.6 +}
     1.7 +
     1.8 +TODO: documentation
     1.9 +
    1.10 +NOTE: may return nil
    1.11 +
    1.12 +--]]--
    1.13 +
    1.14 +function ui._partial_load_js(args, mode)
    1.15 +  local args = args or {}
    1.16 +  local module
    1.17 +  local view
    1.18 +  local id
    1.19 +  local params = {}
    1.20 +  local target
    1.21 +  if args.view and args.target then
    1.22 +    module = args.module
    1.23 +    view   = args.view
    1.24 +    id     = args.id
    1.25 +    target = args.target
    1.26 +  elseif not args.view and not args.target then
    1.27 +    if not ui._partial_state then
    1.28 +      return nil
    1.29 +    end
    1.30 +    module = ui._partial_state.module
    1.31 +    view   = ui._partial_state.view
    1.32 +    id     = ui._partial_state.id
    1.33 +    target = ui._partial_state.target
    1.34 +  else
    1.35 +    error("Unexpected arguments passed to ui._partial_load_js{...}")
    1.36 +  end
    1.37 +
    1.38 +  if ui._partial_state then
    1.39 +    if ui._partial_state.params then
    1.40 +      for key, value in pairs(ui._partial_state.params) do
    1.41 +        params[key] = value
    1.42 +      end
    1.43 +    end
    1.44 +    for param_name, dummy in pairs(ui._partial_state.param_name_hash) do
    1.45 +      params[param_name] = cgi.params[param_name]
    1.46 +    end
    1.47 +  end
    1.48 +  if args.params then
    1.49 +    for key, value in pairs(args.params) do
    1.50 +      params[key] = value
    1.51 +    end
    1.52 +  end
    1.53 +  local encoded_url = encode.json(
    1.54 +    encode.url{
    1.55 +      module = module,
    1.56 +      view   = view,
    1.57 +      id     = id,
    1.58 +      params = params
    1.59 +    }
    1.60 +  )
    1.61 +
    1.62 +  if mode == "form_normal" then
    1.63 +    -- NOTE: action in "action_mode" refers to WebMCP actions, while action
    1.64 +    -- in "this.action" refers to the action attribute of HTML forms
    1.65 +    slot.put('this.action = ', encoded_url, '; ')
    1.66 +  end
    1.67 +
    1.68 +  return slot.use_temporary(function()
    1.69 +    slot.put(
    1.70 +      'partialMultiLoad({',
    1.71 +        -- mapping:
    1.72 +        '"trace": "trace", "system_error": "system_error", ',
    1.73 +        encode.json(target), ': "default" }, ',
    1.74 +        -- tempLoadingContents:
    1.75 +        '{}, ',
    1.76 +        -- failureContents:
    1.77 +        '"error", ',
    1.78 +        -- url:
    1.79 +        (mode == "form_normal" or mode == "form_action") and (
    1.80 +          'this'
    1.81 +        ) or (
    1.82 +          encoded_url
    1.83 +        ), ', ',
    1.84 +        -- urlParams:
    1.85 +        '"_webmcp_json_slots[]=default&_webmcp_json_slots[]=trace&_webmcp_json_slots[]=system_error", ',
    1.86 +        -- postParams:
    1.87 +        '{}, ',
    1.88 +        -- successHandler:
    1.89 +        'function() {}, ',
    1.90 +        -- failureHandler:
    1.91 +        'function() {} ',
    1.92 +      '); ',
    1.93 +      'return false;'
    1.94 +    )
    1.95 +  end)
    1.96 +end