| rev | line source | 
| jbe/bsw@0 | 1 --[[-- | 
| jbe/bsw@0 | 2 ui.link{ | 
| jbe/bsw@0 | 3   external  = external,   -- external URL | 
| jbe/bsw@0 | 4   static    = static,     -- URL relative to the static file directory | 
| jbe/bsw@0 | 5   module    = module,     -- module name | 
| jbe/bsw@0 | 6   view      = view,       -- view name | 
| jbe/bsw@0 | 7   action    = action,     -- action name | 
| jbe/bsw@0 | 8   id        = id,         -- optional id to be passed to the view or action to select a particular data record | 
| jbe/bsw@0 | 9   params    = params,     -- optional parameters to be passed to the view or action | 
| jbe/bsw@0 | 10   routing   = routing,    -- optional routing information for action links, as described for ui.form{...} | 
| jbe/bsw@0 | 11   text      = text,       -- link text | 
| jbe/bsw@0 | 12   content   = content     -- alternative name for 'text' option, preferred for functions | 
| jbe/bsw@0 | 13 } | 
| jbe/bsw@0 | 14 | 
| jbe/bsw@0 | 15 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). | 
| jbe/bsw@0 | 16 | 
| jbe/bsw@0 | 17 --]]-- | 
| jbe/bsw@0 | 18 | 
| jbe/bsw@0 | 19 function ui.link(args) | 
| jbe/bsw@0 | 20   local args = args or {} | 
| jbe/bsw@0 | 21   local content = args.text or args.content  -- TODO: decide which argument name to use | 
| jbe/bsw@0 | 22   assert(content, "ui.link{...} needs a text.") | 
| jbe/bsw@0 | 23   local function wrapped_content() | 
| jbe/bsw@0 | 24     -- TODO: icon/image | 
| jbe/bsw@0 | 25     if type(content) == "function" then | 
| jbe/bsw@0 | 26       content() | 
| jbe/bsw@0 | 27     else | 
| jbe/bsw@0 | 28       slot.put(encode.html(content)) | 
| jbe/bsw@0 | 29     end | 
| jbe/bsw@0 | 30   end | 
| jbe/bsw@0 | 31   if args.action then | 
| jbe/bsw@0 | 32     local form_attr   = table.new(args.form_attr) | 
| jbe/bsw@0 | 33     local form_id | 
| jbe/bsw@0 | 34     if form_attr.id then | 
| jbe/bsw@0 | 35       form_id = form_attr.id | 
| jbe/bsw@0 | 36     else | 
| jbe/bsw@0 | 37       form_id = ui.create_unique_id() | 
| jbe/bsw@0 | 38     end | 
| jbe/bsw@0 | 39     local quoted_form_id = encode.json(form_id) | 
| jbe/bsw@0 | 40     form_attr.id      = form_id | 
| jbe/bsw@0 | 41     local a_attr      = table.new(args.attr) | 
| jbe/bsw@0 | 42     a_attr.href       = "#" | 
| jbe/bsw@0 | 43     a_attr.onclick    = | 
| jbe/bsw@0 | 44       "var f = document.getElementById(" .. quoted_form_id .. "); if (! f.onsubmit || f.onsubmit() != false) { f.submit() };" | 
| jbe/bsw@0 | 45     ui.form{ | 
| jbe/bsw@0 | 46       external = args.external, | 
| jbe/bsw@0 | 47       module   = args.module or request.get_module(), | 
| jbe/bsw@0 | 48       action   = args.action, | 
| jbe/bsw@0 | 49       id       = args.id, | 
| jbe/bsw@0 | 50       params   = args.params, | 
| jbe/bsw@0 | 51       routing  = args.routing, | 
| jbe/bsw@0 | 52       attr     = form_attr, | 
| jbe/bsw@0 | 53       content  = function() | 
| jbe/bsw@0 | 54         ui.submit{ text = args.text, attr = args.submit_attr } | 
| jbe/bsw@0 | 55       end | 
| jbe/bsw@0 | 56     } | 
| jbe/bsw@0 | 57     ui.script{ | 
| jbe/bsw@0 | 58       type = "text/javascript", | 
| jbe/bsw@0 | 59       script = ( | 
| jbe/bsw@0 | 60         "document.getElementById(" .. | 
| jbe/bsw@0 | 61         quoted_form_id .. | 
| jbe/bsw@0 | 62         ").style.display = 'none'; document.write(" .. | 
| jbe/bsw@0 | 63         encode.json( | 
| jbe/bsw@0 | 64           slot.use_temporary( | 
| jbe/bsw@0 | 65             function() | 
| jbe/bsw@0 | 66               ui.tag{ | 
| jbe/bsw@0 | 67                 tag     = "a", | 
| jbe/bsw@0 | 68                 attr    = a_attr, | 
| jbe/bsw@0 | 69                 content = wrapped_content | 
| jbe/bsw@0 | 70               } | 
| jbe/bsw@0 | 71             end | 
| jbe/bsw@0 | 72           ) | 
| jbe/bsw@0 | 73         ) .. | 
| jbe/bsw@0 | 74         ");" | 
| jbe/bsw@0 | 75       ) | 
| jbe/bsw@0 | 76     } | 
| jbe/bsw@0 | 77   else | 
| jbe/bsw@0 | 78     -- TODO: support content function | 
| jbe/bsw@0 | 79     local a_attr = table.new(args.attr) | 
| jbe/bsw@0 | 80     a_attr.href = encode.url{ | 
| jbe/bsw@0 | 81       external  = args.external, | 
| jbe/bsw@0 | 82       static    = args.static, | 
| jbe/bsw@0 | 83       module    = args.module or request.get_module(), | 
| jbe/bsw@0 | 84       view      = args.view, | 
| jbe/bsw@0 | 85       id        = args.id, | 
| jbe/bsw@0 | 86       params    = args.params, | 
| jbe/bsw@0 | 87     } | 
| jbe/bsw@0 | 88     return ui.tag{ tag  = "a", attr = a_attr, content = wrapped_content } | 
| jbe/bsw@0 | 89   end | 
| jbe/bsw@0 | 90 end |