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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.link{
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jbe/bsw@0
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3 external = external, -- external URL
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4 static = static, -- URL relative to the static file directory
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5 module = module, -- module name
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6 view = view, -- view name
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7 action = action, -- action name
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jbe@53
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8 attr = attr, -- for views: table of HTML attributes
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jbe@53
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9 a_attr = a_attr, -- for actions: table of HTML attributes for the "a" tag
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jbe@53
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10 form_attr = form_attr, -- for actions: table of HTML attributes for the "form" tag
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jbe/bsw@0
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11 id = id, -- optional id to be passed to the view or action to select a particular data record
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12 params = params, -- optional parameters to be passed to the view or action
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jbe/bsw@0
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13 routing = routing, -- optional routing information for action links, as described for ui.form{...}
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jbe/bsw@0
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14 text = text, -- link text
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jbe/bsw@11
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15 content = content, -- link content (overrides link text, except for submit buttons for action calls without JavaScript)
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jbe@12
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16 partial = { -- parameters for partial loading, see below
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jbe/bsw@11
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17 module = module,
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jbe/bsw@11
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18 view = view,
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jbe/bsw@11
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19 id = id,
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jbe@12
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20 params = params,
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jbe@12
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21 target = target
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jbe/bsw@11
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22 }
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jbe/bsw@0
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23 }
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jbe/bsw@0
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24
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jbe/bsw@0
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25 This function inserts a link into the active slot. It may be either an internal application link ('module' given and 'view' or 'action' given), or a link to an external web page ('external' given), or a link to a file in the static file directory of the application ('static' given).
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jbe/bsw@0
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26
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jbe@12
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27 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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28 used to create an onclick event (onsubmit event for action links). The
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jbe@12
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29 "partial" setting table is passed to ui._partial_load_js as first argument.
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jbe@12
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30 See ui._partial_load_js(...) for further documentation.
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jbe@12
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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
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jbe/bsw@0
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34 function ui.link(args)
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jbe/bsw@0
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35 local args = args or {}
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jbe/bsw@4
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36 local content = args.content or args.text
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jbe/bsw@0
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37 assert(content, "ui.link{...} needs a text.")
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jbe/bsw@0
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38 local function wrapped_content()
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jbe/bsw@11
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39 if args.image then
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jbe/bsw@11
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40 ui.image(args.image)
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jbe/bsw@11
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41 end
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jbe/bsw@0
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42 if type(content) == "function" then
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jbe/bsw@0
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43 content()
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jbe/bsw@0
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44 else
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jbe/bsw@0
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45 slot.put(encode.html(content))
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jbe/bsw@0
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46 end
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jbe/bsw@0
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47 end
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jbe/bsw@0
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48 if args.action then
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jbe/bsw@0
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49 local form_attr = table.new(args.form_attr)
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jbe/bsw@0
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50 local form_id
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jbe/bsw@0
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51 if form_attr.id then
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jbe/bsw@0
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52 form_id = form_attr.id
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jbe/bsw@0
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53 else
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jbe/bsw@0
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54 form_id = ui.create_unique_id()
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jbe/bsw@0
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55 end
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jbe/bsw@0
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56 local quoted_form_id = encode.json(form_id)
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jbe/bsw@0
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57 form_attr.id = form_id
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jbe/bsw@0
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58 local a_attr = table.new(args.attr)
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jbe/bsw@0
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59 a_attr.href = "#"
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jbe/bsw@0
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60 a_attr.onclick =
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jbe@52
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61 "var f = document.getElementById(" .. quoted_form_id .. "); if (! f.onsubmit || f.onsubmit() != false) { f.submit() }; return false;"
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jbe/bsw@0
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62 ui.form{
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jbe/bsw@0
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63 external = args.external,
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jbe/bsw@0
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64 module = args.module or request.get_module(),
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jbe/bsw@0
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65 action = args.action,
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jbe/bsw@0
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66 id = args.id,
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jbe/bsw@0
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67 params = args.params,
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jbe/bsw@0
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68 routing = args.routing,
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jbe/bsw@11
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69 partial = args.partial,
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jbe/bsw@0
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70 attr = form_attr,
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jbe/bsw@0
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71 content = function()
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jbe/bsw@0
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72 ui.submit{ text = args.text, attr = args.submit_attr }
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jbe/bsw@0
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73 end
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jbe/bsw@0
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74 }
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jbe/bsw@0
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75 ui.script{
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jbe/bsw@0
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76 type = "text/javascript",
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jbe/bsw@0
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77 script = (
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jbe/bsw@0
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78 "document.getElementById(" ..
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jbe/bsw@0
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79 quoted_form_id ..
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jbe/bsw@0
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80 ").style.display = 'none'; document.write(" ..
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jbe/bsw@0
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81 encode.json(
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jbe/bsw@0
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82 slot.use_temporary(
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jbe/bsw@0
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83 function()
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jbe/bsw@0
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84 ui.tag{
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jbe/bsw@0
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85 tag = "a",
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jbe/bsw@0
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86 attr = a_attr,
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jbe/bsw@0
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87 content = wrapped_content
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jbe/bsw@0
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88 }
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jbe/bsw@0
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89 end
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jbe/bsw@0
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90 )
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jbe/bsw@0
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91 ) ..
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jbe/bsw@0
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92 ");"
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jbe/bsw@0
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93 )
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jbe/bsw@0
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94 }
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jbe/bsw@0
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95 else
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jbe/bsw@0
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96 -- TODO: support content function
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jbe/bsw@0
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97 local a_attr = table.new(args.attr)
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jbe/bsw@0
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98 a_attr.href = encode.url{
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jbe/bsw@0
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99 external = args.external,
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jbe/bsw@0
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100 static = args.static,
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jbe/bsw@0
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101 module = args.module or request.get_module(),
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jbe/bsw@0
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102 view = args.view,
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jbe/bsw@0
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103 id = args.id,
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jbe/bsw@0
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104 params = args.params,
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jbe/bsw@0
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105 }
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jbe/bsw@11
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106 if ui.is_partial_loading_enabled() and args.partial then
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jbe/bsw@11
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107 a_attr.onclick = ui._partial_load_js(args.partial)
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jbe/bsw@11
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108 end
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jbe/bsw@0
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109 return ui.tag{ tag = "a", attr = a_attr, content = wrapped_content }
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jbe/bsw@0
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110 end
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jbe/bsw@0
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111 end
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